savepoint, changelog later..

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (c) 2003-2018, YaPB Dev Team
+Copyright (c) 2003-2019, YaPB Development Team
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

include/crlib/cr-alloc.h

@@ -0,0 +1,78 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <new>
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-movable.h>
+#include <crlib/cr-platform.h>
+
+CR_NAMESPACE_BEGIN
+
+// default allocator for cr-objects
+class Allocator : public Singleton <Allocator> {
+public:
+   Allocator () = default;
+   ~Allocator () = default;
+
+public:
+   template <typename T> T *allocate (const size_t length = 1) {
+      auto ptr = reinterpret_cast <T *> (calloc (length, sizeof (T)));
+
+      if (!ptr) {
+         plat.abort ();
+      }
+
+      // calloc on linux with debug enabled doesn't always zero out memory
+#if defined (CR_DEBUG) && !defined (CR_WINDOWS)
+      auto *zeroing = reinterpret_cast <uint8 *> (ptr);
+
+      for (size_t i = 0; i < length; ++i) {
+         zeroing[i] = 0;
+      }
+#endif
+      return ptr;
+   }
+
+   template <typename T> void deallocate (T *ptr) {
+      if (ptr) {
+         free (reinterpret_cast <T *> (ptr));
+      }
+   }
+
+public:
+   template <typename T, typename ...Args> void construct (T *d, Args &&...args) {
+      new (d) T (cr::forward <Args> (args)...);
+   }
+
+   template <typename T> void destruct (T *d) {
+      d->~T ();
+   }
+
+public:
+   template <typename T, typename ...Args> T *create (Args &&...args) {
+      auto d = allocate <T> ();
+      new (d) T (cr::forward <Args> (args)...);
+
+      return d;
+   }
+
+   template <typename T> void destroy (T *ptr) {
+      if (ptr) {
+         destruct (ptr);
+         deallocate (ptr);
+      }
+   }
+};
+
+static auto &alloc = Allocator::get ();
+
+CR_NAMESPACE_END

include/crlib/cr-array.h

@@ -0,0 +1,390 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-alloc.h>
+#include <crlib/cr-movable.h>
+#include <crlib/cr-random.h>
+
+// policy to reserve memory
+CR_DECLARE_SCOPED_ENUM (ReservePolicy,
+   MultipleByTwo,
+   PlusOne
+);
+
+CR_NAMESPACE_BEGIN
+
+// simple array class like std::vector
+template <typename T, ReservePolicy R = ReservePolicy::MultipleByTwo> class Array : public DenyCopying {
+public:
+   T *m_data = nullptr;
+   size_t m_capacity = 0;
+   size_t m_length = 0;
+
+public:
+   explicit Array () = default;
+
+   Array (const size_t amount) {
+      reserve (amount);
+   }
+
+   Array (Array &&rhs) noexcept {
+      m_data = rhs.m_data;
+      m_length = rhs.m_length;
+      m_capacity = rhs.m_capacity;
+
+      rhs.reset ();
+   }
+
+   ~Array () {
+      destroy ();
+   }
+
+private:
+   void destructElements () noexcept {
+      for (size_t i = 0; i < m_length; ++i) {
+         alloc.destruct (&m_data[i]);
+      }
+   }
+
+   void transferElements (T *dest, T *src, size_t length) noexcept {
+      for (size_t i = 0; i < length; ++i) {
+         alloc.construct (&dest[i], cr::move (src[i]));
+         alloc.destruct (&src[i]);
+      }
+   }
+
+   void destroy () {
+      destructElements ();
+      alloc.deallocate (m_data);
+   }
+
+   void reset () {
+      m_data = nullptr;
+      m_capacity = 0;
+      m_length = 0;
+   }
+
+
+public:
+   bool reserve (const size_t amount) {
+      if (m_length + amount < m_capacity) {
+         return true;
+      }
+      auto capacity = m_capacity ? m_capacity : 8;
+
+      if (cr::fix (R == ReservePolicy::MultipleByTwo)) {
+         while (m_length + amount > capacity) {
+            capacity *= 2;
+         }
+      }
+      else {
+         capacity = amount + m_capacity + 1;
+      }
+      auto data = alloc.allocate <T> (capacity);
+
+      transferElements (data, m_data, m_length);
+      alloc.deallocate (m_data);
+
+      m_data = data;
+      m_capacity = capacity;
+
+      return true;
+   }
+
+   bool resize (const size_t amount) {
+      if (amount < m_length) {
+         while (amount < m_length) {
+            discard ();
+         }
+      }
+      else if (amount > m_length) {
+         if (!ensure (amount)) {
+            return false;
+         }
+         size_t pushLength = amount - m_length;
+
+         for (size_t i = 0; i < pushLength; ++i) {
+            push (T ());
+         }
+      }
+      return true;
+   }
+
+   bool ensure (const size_t amount) {
+      if (amount <= m_length) {
+         return true;
+      }
+      return reserve (amount - m_length);
+   }
+
+   size_t length () const {
+      return m_length;
+   }
+
+   size_t capacity () const {
+      return m_capacity;
+   }
+
+   template <typename U> bool set (size_t index, U &&object) {
+      if (index >= m_capacity) {
+         if (!reserve (index + 1)) {
+            return false;
+         }
+      }
+      alloc.construct (&m_data[index], cr::forward <U> (object));
+
+      if (index >= m_length) {
+         m_length = index + 1;
+      }
+      return true;
+   }
+
+   template <typename U> bool insert (size_t index, U &&object) {
+      return insert (index, &object, 1);
+   }
+
+   template <typename U> bool insert (size_t index, U *objects, size_t count = 1) {
+      if (!objects || !count) {
+         return false;
+      }
+      const size_t capacity = (m_length > index ? m_length : index) + count;
+
+      if (capacity >= m_capacity && !reserve (capacity)) {
+         return false;
+      }
+
+      if (index >= m_length) {
+         for (size_t i = 0; i < count; ++i) {
+            alloc.construct (&m_data[i + index], cr::forward <U> (objects[i]));
+         }
+         m_length = capacity;
+      }
+      else {
+         size_t i = 0;
+
+         for (i = m_length; i > index; --i) {
+            m_data[i + count - 1] = cr::move (m_data[i - 1]);
+         }
+         for (i = 0; i < count; ++i) {
+            alloc.construct (&m_data[i + index], cr::forward <U> (objects[i]));
+         }
+         m_length += count;
+      }
+      return true;
+   }
+
+   bool insert (size_t at, const Array &rhs) {
+      if (&rhs == this) {
+         return false;
+      }
+      return insert (at, &rhs.m_data[0], rhs.m_length);
+   }
+
+   bool erase (const size_t index, const size_t count) {
+      if (index + count > m_capacity) {
+         return false;
+      }
+      m_length -= count;
+
+      for (size_t i = index; i < m_length; ++i) {
+         m_data[i] = cr::move (m_data[i + count]);
+      }
+      return true;
+   }
+
+   bool shift () {
+      return erase (0, 1);
+   }
+
+   template <typename U> bool unshift (U &&object) {
+      return insert (0, &object);
+   }
+
+   bool remove (const T &object) {
+      return erase (index (object), 1);
+   }
+
+   template <typename U> bool push (U &&object) {
+      if (!reserve (1)) {
+         return false;
+      }
+      alloc.construct (&m_data[m_length], cr::forward <U> (object));
+      m_length++;
+
+      return true;
+   }
+
+   template <typename ...Args> bool emplace (Args &&...args) {
+      if (!reserve (1)) {
+         return false;
+      }
+      alloc.construct (&m_data[m_length], cr::forward <Args> (args)...);
+      m_length++;
+
+      return true;
+   }
+
+   T pop () {
+      auto object = cr::move (m_data[m_length - 1]);
+      discard ();
+
+      return object;
+   }
+
+   void discard () {
+      erase (m_length - 1, 1);
+   }
+
+   size_t index (const T &object) const {
+      return &object - &m_data[0];
+   }
+
+   void shuffle () {
+      for (size_t i = m_length; i >= 1; --i) {
+         cr::swap (m_data[i - 1], m_data[rg.int_ (i, m_length - 2)]);
+      }
+   }
+
+   void reverse () {
+      for (size_t i = 0; i < m_length / 2; ++i) {
+         cr::swap (m_data[i], m_data[m_length - 1 - i]);
+      }
+   }
+
+   template <typename U> bool extend (U &&rhs) {
+      if (m_length == 0) {
+         *this = cr::move (rhs);
+      }
+      else {
+         for (size_t i = 0; i < rhs.length (); ++i) {
+            if (!push (cr::move (rhs[i]))) {
+               return false;
+            }
+         }
+      }
+      return true;
+   }
+
+   template <typename U> bool assign (U &&rhs) {
+      clear ();
+      return extend (cr::move (rhs));
+   }
+
+   void clear () {
+      destructElements ();
+      m_length = 0;
+   }
+
+   bool empty () const {
+      return m_length == 0;
+   }
+
+   bool shrink () {
+      if (m_length == m_capacity || !m_length) {
+         return false;
+      }
+
+      auto data = alloc.allocate <T> (m_length);
+      transferElements (data, m_data, m_length);
+
+      alloc.deallocate (m_data);
+
+      m_data = data;
+      m_capacity = m_length;
+
+      return true;
+   }
+
+   const T &at (size_t index) const {
+      return m_data[index];
+   }
+
+   T &at (size_t index) {
+      return m_data[index];
+   }
+
+   const T &first () const {
+      return m_data[0];
+   }
+
+   T &first () {
+      return m_data[0];
+   }
+
+   T &last () {
+      return m_data[m_length - 1];
+   }
+
+   const T &last () const {
+      return m_data[m_length - 1];
+   }
+
+   const T &random () const {
+      return m_data[rg.int_ <size_t> (0, m_length - 1)];
+   }
+
+   T &random () {
+      return m_data[rg.int_ <size_t> (0u, m_length - 1u)];
+   }
+
+   T *data () {
+      return m_data;
+   }
+
+   T *data () const {
+      return m_data;
+   }
+
+public:
+   Array &operator = (Array &&rhs) noexcept {
+      if (this != &rhs) {
+         destroy ();
+
+         m_data = rhs.m_data;
+         m_length = rhs.m_length;
+         m_capacity = rhs.m_capacity;
+
+         rhs.reset ();
+      }
+      return *this;
+   }
+
+public:
+   const T &operator [] (size_t index) const {
+      return at (index);
+   }
+
+   T &operator [] (size_t index) {
+      return at (index);
+   }
+
+   // for range-based loops
+public:
+   T *begin () {
+      return m_data;
+   }
+
+   T *begin () const {
+      return m_data;
+   }
+
+   T *end () {
+      return m_data + m_length;
+   }
+
+   T *end () const {
+      return m_data + m_length;
+   }
+};
+
+CR_NAMESPACE_END
+

include/crlib/cr-basic.h

@@ -0,0 +1,128 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+// our global namaespace
+#define CR_NAMESPACE_BEGIN namespace cr {
+#define CR_NAMESPACE_END }
+
+// undef base max
+#if defined (max) 
+#  undef max
+#endif
+
+// undef base min
+#if defined (min) 
+#  undef min
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <stddef.h>
+#include <limits.h>
+
+CR_NAMESPACE_BEGIN
+//
+// some useful type definitions
+//
+namespace types {
+using int8 = signed char;
+using int16 = signed short;
+using int32 = signed int;
+using uint8 = unsigned char;
+using uint16 = unsigned short;
+using uint32 = unsigned int;
+using uint64 = unsigned long long;
+};
+
+// make types available for our own use
+using namespace cr::types;
+
+//
+// global helper stuff
+//
+template <typename T, size_t N> constexpr size_t bufsize (const T (&)[N]) {
+   return N - 1;
+}
+
+template <typename T>  constexpr T abs (const T &a) {
+   return a > 0 ? a : -a;
+}
+
+template <typename T>  constexpr T bit (const T &a) {
+   return static_cast <T> (1ULL << a);
+}
+
+template <typename T>  constexpr T min (const T &a, const T &b) {
+   return a < b ? a : b;
+}
+
+template <typename T>  constexpr T max (const T &a, const T &b) {
+   return a > b ? a : b;
+}
+
+template <typename T> constexpr T square (const T &value) {
+   return value * value;
+}
+
+template <typename T>  constexpr T clamp (const T &x, const T &a, const T &b) {
+   return min (max (x, a), b);
+}
+
+template <typename T> const T &fix (const T &type) {
+   return type;
+}
+
+//
+// base classes
+//
+
+// simple non-copying base class
+class DenyCopying {
+protected:
+   explicit DenyCopying () = default;
+   ~DenyCopying () = default;
+
+public:
+   DenyCopying (const DenyCopying &) = delete;
+   DenyCopying &operator = (const DenyCopying &) = delete;
+};
+
+// singleton for objects
+template <typename T> struct Singleton : private DenyCopying {
+public:
+   static inline T &get () {
+      static T ref_;
+      return ref_;
+   };
+};
+
+// simple scoped enum, instaed of enum class
+#define CR_DECLARE_SCOPED_ENUM_TYPE(enumName, enumType, ...) \
+   CR_NAMESPACE_BEGIN                                        \
+   namespace enums {                                         \
+      struct _##enumName : protected DenyCopying {           \
+         enum Type : enumType {                              \
+            __VA_ARGS__                                      \
+         };                                                  \
+      };                                                     \
+   };                                                        \
+   CR_NAMESPACE_END                                          \
+   using enumName = ::cr::enums::_##enumName::Type;          \
+
+// same as above, but with int32 type
+#define CR_DECLARE_SCOPED_ENUM(enumName, ...)                  \
+   CR_DECLARE_SCOPED_ENUM_TYPE(enumName, int32, __VA_ARGS__);  \
+
+CR_NAMESPACE_END
+
+// platform-dependant-stuff
+#include <crlib/cr-platform.h>

include/crlib/cr-binheap.h

@@ -0,0 +1,141 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-array.h>
+
+CR_NAMESPACE_BEGIN
+
+// simple priority queue
+template <typename T> class BinaryHeap final : public DenyCopying {
+private:
+   Array <T> m_data;
+
+public:
+   explicit BinaryHeap () = default;
+
+   BinaryHeap (BinaryHeap &&rhs) noexcept : m_data (cr::move (rhs.m_data))
+   { }
+
+   ~BinaryHeap () = default;
+
+public:
+   template <typename U> bool push (U &&item) {
+      if (!m_data.push (cr::move (item))) {
+         return false;
+      }
+      size_t length = m_data.length ();
+
+      if (length > 1) {
+         percolateUp (length - 1);
+      }
+      return true;
+   }
+
+   template <typename ...Args> bool emplace (Args &&...args) {
+      if (!m_data.emplace (cr::forward <Args> (args)...)) {
+         return false;
+      }
+      size_t length = m_data.length ();
+
+      if (length > 1) {
+         percolateUp (length - 1);
+      }
+      return true;
+   }
+
+   const T &top () const {
+      return m_data[0];
+   }
+
+   T pop () {
+      if (m_data.length () == 1) {
+         return m_data.pop ();
+      }
+      auto key (cr::move (m_data[0]));
+
+      m_data[0] = cr::move (m_data.last ());
+      m_data.discard ();
+
+      percolateDown (0);
+      return key;
+   }
+
+public:
+   size_t length () const {
+      return m_data.length ();
+   }
+
+   bool empty () const {
+      return !m_data.length ();
+   }
+
+   void clear () {
+      m_data.clear ();
+   }
+
+private:
+   void percolateUp (size_t index) {
+      while (index != 0) {
+         size_t parent = this->parent (index);
+
+         if (m_data[parent] <= m_data[index]) {
+            break;
+         }
+         cr::swap (m_data[index], m_data[parent]);
+         index = parent;
+      }
+   }
+
+   void percolateDown (size_t index) {
+      while (this->left (index) < m_data.length ()) {
+         size_t best = this->left (index);
+
+         if (this->right (index) < m_data.length ()) {
+            size_t right_index = this->right (index);
+
+            if (m_data[right_index] < m_data[best]) {
+               best = right_index;
+            }
+         }
+
+         if (m_data[index] <= m_data[best]) {
+            break;
+         }
+         cr::swap (m_data[index], m_data[best]);
+
+         index = best;
+         best = this->left (index);
+      }
+   }
+
+private:
+   BinaryHeap &operator = (BinaryHeap &&rhs) noexcept {
+      if (this != &rhs) {
+         m_data = cr::move (rhs.m_data);
+      }
+      return *this;
+   }
+
+private:
+   static constexpr size_t left (size_t index) {
+      return index << 1 | 1;
+   }
+
+   static constexpr size_t right (size_t index) {
+      return ++index << 1;
+   }
+
+   static constexpr size_t parent (size_t index) {
+      return --index >> 1;
+   }
+};
+
+CR_NAMESPACE_END

include/crlib/cr-color.h

@@ -0,0 +1,41 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+
+CR_NAMESPACE_BEGIN
+
+// simple color holder
+class Color final {
+public:
+   int32 red = 0, green = 0, blue = 0;
+
+public:
+   explicit Color (int32 r, int32 g, int32 b) : red (r), green (g), blue (b) { }
+
+   Color () = default;
+   ~Color () = default;
+
+public:
+   void reset () {
+      red = green = blue = 0;
+   }
+
+   int32 avg () const {
+      return sum () / (sizeof (Color) / sizeof (int32));
+   }
+
+   int32 sum () const {
+      return red + green + blue;
+   }
+};
+
+CR_NAMESPACE_END

include/crlib/cr-complete.h

@@ -0,0 +1,40 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <stdio.h>
+
+#include <crlib/cr-platform.h>
+#include <crlib/cr-basic.h>
+#include <crlib/cr-alloc.h>
+#include <crlib/cr-array.h>
+#include <crlib/cr-binheap.h>
+#include <crlib/cr-files.h>
+#include <crlib/cr-lambda.h>
+#include <crlib/cr-http.h>
+#include <crlib/cr-library.h>
+#include <crlib/cr-dict.h>
+#include <crlib/cr-logger.h>
+#include <crlib/cr-math.h>
+#include <crlib/cr-vector.h>
+#include <crlib/cr-random.h>
+#include <crlib/cr-ulz.h>
+#include <crlib/cr-color.h>
+
+CR_NAMESPACE_BEGIN
+
+namespace types {
+   using StringArray = Array <String>;
+   using IntArray = Array <int>;
+};
+
+using namespace cr::types;
+
+CR_NAMESPACE_END

include/crlib/cr-dict.h

@@ -0,0 +1,237 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-array.h>
+#include <crlib/cr-string.h>
+#include <crlib/cr-twin.h>
+
+CR_NAMESPACE_BEGIN
+
+// template for hashing our string
+template <typename K> struct StringHash {
+   uint32 operator () (const K &key) const {
+      char *str = const_cast <char *> (key.chars ());
+      uint32 hash = 0;
+
+      while (*str++) {
+         hash = ((hash << 5) + hash) + *str;
+      }
+      return hash;
+   }
+};
+
+// template for hashing integers
+template <typename K> struct IntHash {
+   uint32 operator () (K key) const {
+      key = ((key >> 16) ^ key) * 0x119de1f3;
+      key = ((key >> 16) ^ key) * 0x119de1f3;
+      key = (key >> 16) ^ key;
+
+      return key;
+   }
+};
+
+namespace detail {
+   struct DictionaryList {
+      uint32 index;
+      DictionaryList *next;
+   };
+
+   template <typename K, typename V> struct DictionaryBucket {
+      uint32 hash = static_cast <size_t> (-1);
+      K key = K ();
+      V value = V ();
+
+   public:
+      DictionaryBucket () = default;
+      ~DictionaryBucket () = default;
+   };
+}
+
+// basic dictionary
+template <class K, class V, class H = StringHash <K>, size_t HashSize = 36> class Dictionary final : public DenyCopying {
+public:
+   static constexpr size_t kInvalidIndex = static_cast <size_t> (-1);
+
+private:
+   Array <detail::DictionaryList *> m_table;
+   Array <detail::DictionaryBucket <K, V>> m_buckets;
+   H m_hasher;
+
+private:
+   uint32 hash (const K &key) const {
+      return m_hasher (key);
+   }
+
+   size_t findIndexOrAllocate (const K &key, bool allocate) {
+      auto hashed = hash (key);
+      auto pos = hashed % m_table.length ();
+
+      for (auto bucket = m_table[pos]; bucket != nullptr; bucket = bucket->next) {
+         if (m_buckets[bucket->index].hash == hashed) {
+            return bucket->index;
+         }
+      }
+
+      if (allocate) {
+         size_t created = m_buckets.length ();
+         m_buckets.resize (created + 1);
+
+         auto allocated = alloc.allocate <detail::DictionaryList> ();
+
+         allocated->index = created;
+         allocated->next = m_table[pos];
+
+         m_table[pos] = allocated;
+
+         m_buckets[created].key = key;
+         m_buckets[created].hash = hashed;
+
+         return created;
+      }
+      return kInvalidIndex;
+   }
+
+   size_t findIndex (const K &key) const {
+      return const_cast <Dictionary *> (this)->findIndexOrAllocate (key, false);
+   }
+
+public:
+   explicit Dictionary () {
+      reset ();
+   }
+
+   Dictionary (Dictionary &&rhs) noexcept : m_table (cr::move (rhs.m_table)), m_buckets (cr::move (rhs.m_buckets)), m_hasher (cr::move (rhs.m_hasher))
+   { }
+
+   ~Dictionary () {
+      clear ();
+   }
+
+public:
+   bool exists (const K &key) const {
+      return findIndex (key) != kInvalidIndex;
+   }
+
+   bool empty () const {
+      return m_buckets.empty ();
+   }
+
+   size_t length () const {
+      return m_buckets.length ();
+   }
+
+   bool find (const K &key, V &value) const {
+      size_t index = findIndex (key);
+
+      if (index == kInvalidIndex) {
+         return false;
+      }
+      value = m_buckets[index].value;
+      return true;
+   }
+
+   template <typename U> bool push (const K &key, U &&value) {
+      operator [] (key) = cr::forward <U> (value);
+      return true;
+   }
+
+   bool remove (const K &key) {
+      auto hashed = hash (key);
+
+      auto pos = hashed % m_table.length ();
+      auto *bucket = m_table[pos];
+
+      detail::DictionaryList *next = nullptr;
+
+      while (bucket != nullptr) {
+         if (m_buckets[bucket->index].hash == hashed) {
+            if (!next) {
+               m_table[pos] = bucket->next;
+            }
+            else {
+               next->next = bucket->next;
+            }
+            m_buckets.erase (bucket->index, 1);
+
+            alloc.deallocate (bucket);
+            bucket = nullptr;
+
+            return true;
+         }
+         next = bucket;
+         bucket = bucket->next;
+      }
+      return false;
+   }
+
+   void clear () {
+      for (auto object : m_table) {
+         while (object != nullptr) {
+            auto next = object->next;
+
+            alloc.deallocate (object);
+            object = next;
+         }
+      }
+      m_table.clear ();
+      m_buckets.clear ();
+
+      reset ();
+   }
+
+   void reset () {
+      m_table.resize (HashSize);
+
+      for (size_t i = 0; i < HashSize; ++i) {
+         m_table[i] = nullptr;
+      }
+   }
+
+public:
+   V &operator [] (const K &key) {
+      return m_buckets[findIndexOrAllocate (key, true)].value;
+   }
+
+   const V &operator [] (const K &key) const {
+      return m_buckets[findIndex (key)].value;
+   }
+
+   Dictionary &operator = (Dictionary &&rhs) noexcept {
+      if (this != &rhs) {
+         m_table = cr::move (rhs.m_table);
+         m_buckets = cr::move (rhs.m_buckets);
+         m_hasher = cr::move (rhs.m_hasher);
+      }
+      return *this;
+   }
+
+   // for range-based loops
+public:
+   detail::DictionaryBucket <K, V> *begin () {
+      return m_buckets.begin ();
+   }
+
+   detail::DictionaryBucket <K, V> *begin () const {
+      return m_buckets.begin ();
+   }
+
+   detail::DictionaryBucket <K, V> *end () {
+      return m_buckets.end ();
+   }
+
+   detail::DictionaryBucket <K, V> *end () const {
+      return m_buckets.end ();
+   }
+};
+
+CR_NAMESPACE_END

include/crlib/cr-files.h

@@ -0,0 +1,334 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <stdio.h>
+
+#include <crlib/cr-string.h>
+#include <crlib/cr-lambda.h>
+
+CR_NAMESPACE_BEGIN
+
+// simple stdio file wrapper
+class File final : private DenyCopying {
+private:
+   FILE *m_handle = nullptr;
+   size_t m_length = 0;
+
+public:
+   explicit File () = default;
+   
+   File (const String &file, const String &mode = "rt") {
+      open (file, mode);
+   }
+
+   ~File () {
+      close ();
+   }
+public:
+
+   bool open (const String &file, const String &mode) {
+      if ((m_handle = fopen (file.chars (), mode.chars ())) == nullptr) {
+         return false;
+      }
+      fseek (m_handle, 0L, SEEK_END);
+      m_length = ftell (m_handle);
+      fseek (m_handle, 0L, SEEK_SET);
+
+      return true;
+   }
+
+   void close () {
+      if (m_handle != nullptr) {
+         fclose (m_handle);
+         m_handle = nullptr;
+      }
+      m_length = 0;
+   }
+
+   bool eof () const {
+      return !!feof (m_handle);
+   }
+
+   bool flush () const {
+      return !!fflush (m_handle);
+   }
+
+   int getChar () const {
+      return fgetc (m_handle);
+   }
+
+   char *getString (char *buffer, int count) const {
+      return fgets (buffer, count, m_handle);
+   }
+
+   bool getLine (String &line) {
+      line.clear ();
+      int ch;
+
+      while ((ch = getChar ()) != EOF && !eof ()) {
+         line += static_cast <char> (ch);
+
+         if (ch == '\n') {
+            break;
+         }
+      }
+      return !eof ();
+   }
+
+   template <typename ...Args> size_t puts (const char *fmt, Args ...args) {
+      if (!*this) {
+         return false;
+      }
+      return fprintf (m_handle, fmt, cr::forward <Args> (args)...);
+   }
+
+   bool puts (const String &buffer) {
+      if (!*this) {
+         return false;
+      }
+      if (fputs (buffer.chars (), m_handle) < 0) {
+         return false;
+      }
+      return true;
+   }
+
+   int putChar (int ch) {
+      return fputc (ch, m_handle);
+   }
+
+   size_t read (void *buffer, size_t size, size_t count = 1) {
+      return fread (buffer, size, count, m_handle);
+   }
+
+   size_t write (void *buffer, size_t size, size_t count = 1) {
+      return fwrite (buffer, size, count, m_handle);
+   }
+
+   bool seek (long offset, int origin) {
+      if (fseek (m_handle, offset, origin) != 0) {
+         return false;
+      }
+      return true;
+   }
+
+   void rewind () {
+      ::rewind (m_handle);
+   }
+
+   size_t length () const {
+      return m_length;
+   }
+
+public:
+   explicit operator bool () const {
+      return m_handle != nullptr;
+   }
+
+public:
+   static inline bool exists (const String &file) {
+      File fp;
+
+      if (fp.open (file, "rb")) {
+         fp.close ();
+         return true;
+      }
+      return false;
+   }
+
+   static inline void createPath (const char *path) {
+      for (auto str = const_cast <char *> (path) + 1; *str; ++str) {
+         if (*str == '/') {
+            *str = 0;
+            plat.createDirectory (path);
+            *str = '/';
+         }
+      }
+      plat.createDirectory (path);
+   }
+};
+
+// wrapper for memory file for loading data into the memory
+class MemFileStorage : public Singleton <MemFileStorage> {
+private:
+   using LoadFunction = Lambda <uint8 * (const char *, int *)>;
+   using FreeFunction = Lambda <void (void *)>;
+
+private:
+   LoadFunction m_load = nullptr;
+   FreeFunction m_free = nullptr;
+
+public:
+   inline MemFileStorage () = default;
+   inline ~MemFileStorage () = default;
+
+public:
+   void initizalize (LoadFunction loader, FreeFunction unloader) {
+      m_load = cr::move (loader);
+      m_free = cr::move (unloader);
+   }
+
+public:
+   uint8 *load (const String &file, int *size) {
+      if (m_load) {
+         return m_load (file.chars (), size);
+      }
+      return nullptr;
+   }
+
+   void unload (void *buffer) {
+      if (m_free) {
+         m_free (buffer);
+      }
+   }
+};
+
+class MemFile final : public DenyCopying {
+private:
+   static constexpr char kEOF = static_cast <char> (-1);
+
+private:
+   uint8 *m_data = nullptr;
+   size_t m_length = 0, m_pos = 0;
+
+public:
+   explicit MemFile () = default;
+
+   MemFile (const String &file) {
+      open (file);
+   }
+
+   ~MemFile () {
+      close ();
+   }
+
+public:
+   bool open (const String &file) {
+      m_length = 0;
+      m_pos = 0;
+      m_data = MemFileStorage::get ().load (file.chars (), reinterpret_cast <int *> (&m_length));
+
+      if (!m_data) {
+         return false;
+      }
+      return true;
+   }
+
+   void close () {
+      MemFileStorage::get ().unload (m_data);
+
+      m_length = 0;
+      m_pos = 0;
+      m_data = nullptr;
+   }
+
+   char getChar () {
+      if (!m_data || m_pos >= m_length) {
+         return kEOF;
+      }
+      auto ch = m_data[m_pos];
+      m_pos++;
+
+      return static_cast <char> (ch);
+   }
+
+   char *getString (char *buffer, size_t count) {
+      if (!m_data || m_pos >= m_length) {
+         return nullptr;
+      }
+      size_t index = 0;
+      buffer[0] = 0;
+
+      for (; index < count - 1;) {
+         if (m_pos < m_length) {
+            buffer[index] = m_data[m_pos++];
+
+            if (buffer[index++] == '\n') {
+               break;
+            }
+         }
+         else {
+            break;
+         }
+      }
+      buffer[index] = 0;
+      return index ? buffer : nullptr;
+   }
+
+   bool getLine (String &line) {
+      line.clear ();
+      char ch;
+      
+      while ((ch = getChar ()) != kEOF) {
+         line += ch;
+
+         if (ch == '\n') {
+            break;
+         }
+      }
+      return !eof ();
+   }
+
+   size_t read (void *buffer, size_t size, size_t count = 1) {
+      if (!m_data || m_length <= m_pos || !buffer || !size || !count) {
+         return 0;
+      }
+      size_t blocks_read = size * count <= m_length - m_pos ? size * count : m_length - m_pos;
+
+      memcpy (buffer, &m_data[m_pos], blocks_read);
+      m_pos += blocks_read;
+
+      return blocks_read / size;
+   }
+
+   bool seek (size_t offset, int origin) {
+      if (!m_data || m_pos >= m_length) {
+         return false;
+      }
+      if (origin == SEEK_SET) {
+         if (offset >= m_length) {
+            return false;
+         }
+         m_pos = offset;
+      }
+      else if (origin == SEEK_END) {
+         if (offset >= m_length) {
+            return false;
+         }
+         m_pos = m_length - offset;
+      }
+      else {
+         if (m_pos + offset >= m_length) {
+            return false;
+         }
+         m_pos += offset;
+      }
+      return true;
+   }
+
+   size_t length () const {
+      return m_length;
+   }
+
+   bool eof () const {
+      return m_pos >= m_length;
+   }
+
+   void rewind () {
+      m_pos = 0;
+   }
+
+public:
+   explicit operator bool () const {
+      return !!m_data && m_length > 0;
+   }
+};
+
+CR_NAMESPACE_END

include/crlib/cr-http.h

@@ -0,0 +1,425 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <stdio.h>
+
+#include <crlib/cr-string.h>
+#include <crlib/cr-files.h>
+#include <crlib/cr-logger.h>
+#include <crlib/cr-platform.h>
+
+#if defined (CR_LINUX) || defined (CR_OSX)
+#  include <netinet/in.h>
+#  include <sys/socket.h>
+#  include <sys/types.h>
+#  include <arpa/inet.h>
+#  include <unistd.h>
+#  include <errno.h>
+#  include <netdb.h>
+#  include <fcntl.h>
+#elif defined (CR_WINDOWS)
+#  define WIN32_LEAN_AND_MEAN 
+#  include <windows.h>
+#  include <winsock2.h>
+#endif
+
+// status codes for http client
+CR_DECLARE_SCOPED_ENUM (HttpClientResult,
+   OK = 0,
+   NotFound,
+   Forbidden,
+   SocketError,
+   ConnectError,
+   HttpOnly,
+   Undefined,
+   NoLocalFile = -1,
+   LocalFileExists = -2
+);
+
+CR_NAMESPACE_BEGIN
+
+class Socket final : public DenyCopying {
+private:
+   int32 m_socket;
+   uint32 m_timeout;
+
+public:
+   Socket () : m_socket (-1), m_timeout (2) {
+#if defined(CR_WINDOWS)
+      WSADATA wsa;
+
+      if (WSAStartup (MAKEWORD (1, 1), &wsa) != 0) {
+         logger.error ("Unable to inialize sockets.");
+      }
+#endif
+   }
+
+   ~Socket () {
+      disconnect ();
+#if defined (CR_WINDOWS)
+      WSACleanup ();
+#endif
+   }
+
+
+public:
+   bool connect (const String &hostname) {
+      auto host = gethostbyname (hostname.chars ());
+
+      if (!host) {
+         return false;
+      }
+      m_socket = static_cast <int> (socket (AF_INET, SOCK_STREAM, 0));
+
+      if (m_socket < 0) {
+         return false;
+      }
+
+      auto getTimeouts = [&] () -> Twin <char *, size_t> {
+#if defined (CR_WINDOWS)
+         DWORD tv = m_timeout * 1000;
+#else
+         timeval tv { static_cast <time_t> (m_timeout), 0 };
+#endif
+         return { reinterpret_cast <char *> (&tv), sizeof (tv) };
+      };
+      auto timeouts = getTimeouts ();
+
+      setsockopt (m_socket, SOL_SOCKET, SO_RCVTIMEO, timeouts.first, timeouts.second);
+      setsockopt (m_socket, SOL_SOCKET, SO_SNDTIMEO, timeouts.first, timeouts.second);
+
+      sockaddr_in dest;
+      memset (&dest, 0, sizeof (dest));
+
+      dest.sin_family = AF_INET;
+      dest.sin_port = htons (80);
+      dest.sin_addr.s_addr = inet_addr (inet_ntoa (*(reinterpret_cast <in_addr *> (host->h_addr))));
+
+      if (::connect (m_socket, reinterpret_cast <sockaddr *> (&dest), static_cast <int> (sizeof (dest))) == -1) {
+         disconnect ();
+         return false;
+      }
+      return true;
+   }
+
+   void setTimeout (uint32 timeout) {
+      m_timeout = timeout;
+   }
+
+   void disconnect () {
+#if defined(CR_WINDOWS)
+      if (m_socket != -1) {
+         closesocket (m_socket);
+      }
+#else 
+      if (m_socket != -1)
+         close (m_socket);
+#endif
+   }
+
+public:
+   template <typename U> int32 send (const U *buffer, int32 length) const {
+      return ::send (m_socket, reinterpret_cast <const char *> (buffer), length, 0);
+   }
+
+   template <typename U> int32 recv (U *buffer, int32 length) {
+      return ::recv (m_socket, reinterpret_cast <char *> (buffer), length, 0);
+   }
+};
+
+namespace detail {
+
+   // simple http uri omitting query-string and port
+   struct HttpUri {
+      String path, protocol, host;
+
+   public:
+      static HttpUri parse (const String &uri) {
+         HttpUri result;
+
+         if (uri.empty ()) {
+            return result;
+         }
+         size_t protocol = uri.find ("://");
+
+         if (protocol != String::kInvalidIndex) {
+            result.protocol = uri.substr (0, protocol);
+
+            size_t host = uri.find ("/", protocol + 3);
+
+            if (host != String::kInvalidIndex) {
+               result.path = uri.substr (host + 1);
+               result.host = uri.substr (protocol + 3, host - protocol - 3);
+
+               return result;
+            }
+         }
+         return result;
+      }
+   };
+};
+
+// simple http client for downloading/uploading files only
+class HttpClient final : public Singleton <HttpClient> {
+private:
+   static constexpr int32 kMaxRecvErrors = 12;
+
+private:
+   Socket m_socket;
+   String m_userAgent = "crlib";
+   HttpClientResult m_code = HttpClientResult::Undefined;
+   int32 m_chunkSize = 4096;
+
+public:
+   HttpClient () = default;
+   ~HttpClient () = default;
+
+private:
+   HttpClientResult parseResponseHeader (uint8 *buffer) {
+      bool isFinished = false;
+      int32 pos = 0, symbols = 0, errors = 0;
+
+      // prase response header
+      while (!isFinished && pos < m_chunkSize) {
+         if (m_socket.recv (&buffer[pos], 1) < 1) {
+            if (++errors > kMaxRecvErrors) {
+               isFinished = true;
+            }
+            else {
+               continue;
+            }
+         }
+
+         switch (buffer[pos]) {
+         case '\r':
+            break;
+
+         case '\n':
+            isFinished = (symbols == 0);
+            symbols = 0;
+            break;
+
+         default:
+            symbols++;
+            break;
+         }
+         pos++;
+      }
+      String response (reinterpret_cast <const char *> (buffer));
+      size_t responseCodeStart = response.find ("HTTP/1.1");
+
+      if (responseCodeStart != String::kInvalidIndex) {
+         String respCode = response.substr (responseCodeStart + 9, 3).trim ();
+
+         if (respCode == "200") {
+            return HttpClientResult::OK;
+         }
+         else if (respCode == "403") {
+            return HttpClientResult::Forbidden;
+         }
+         else if (respCode == "404") {
+            return HttpClientResult::NotFound;
+         }
+      }
+      return HttpClientResult::NotFound;
+   }
+
+public:
+
+   // simple blocked download
+   bool downloadFile (const String &url, const String &localPath) {
+      if (File::exists (localPath.chars ())) {
+         m_code = HttpClientResult::LocalFileExists;
+         return false;
+      }
+      auto uri = detail::HttpUri::parse (url);
+
+      // no https...
+      if (uri.protocol == "https") {
+         m_code = HttpClientResult::HttpOnly;
+         return false;
+      }
+
+      // unable to connect...
+      if (!m_socket.connect (uri.host)) {
+         m_code = HttpClientResult::ConnectError;
+         m_socket.disconnect ();
+
+         return false;
+      }
+
+      String request;
+      request.appendf ("GET /%s HTTP/1.1\r\n", uri.path.chars ());
+      request.append ("Accept: */*\r\n");
+      request.append ("Connection: close\r\n");
+      request.append ("Keep-Alive: 115\r\n");
+      request.appendf ("User-Agent: %s\r\n", m_userAgent.chars ());
+      request.appendf ("Host: %s\r\n\r\n", uri.host.chars ());
+
+      if (m_socket.send (request.chars (), static_cast <int32> (request.length ())) < 1) {
+         m_code = HttpClientResult::SocketError;
+         m_socket.disconnect ();
+
+         return false;
+      }
+      Array <uint8, ReservePolicy::PlusOne> buffer (m_chunkSize);
+      m_code = parseResponseHeader (buffer.data ());
+
+      if (m_code != HttpClientResult::OK) {
+         m_socket.disconnect ();
+         return false;
+      }
+
+      // receive the file
+      File file (localPath, "wb");
+
+      if (!file) {
+         m_code = HttpClientResult::Undefined;
+         m_socket.disconnect ();
+
+         return false;
+      }
+      int32 length = 0;
+      int32 errors = 0;
+
+      for (;;) {
+         length = m_socket.recv (buffer.data (), m_chunkSize);
+
+         if (length > 0) {
+            file.write (buffer.data (), length);
+         }
+         else if (++errors > 12) {
+            break;
+         }
+      }
+      file.close ();
+
+      m_socket.disconnect ();
+      m_code = HttpClientResult::OK;
+
+      return true;
+   }
+
+   bool uploadFile (const String &url, const String &localPath) {
+      if (!File::exists (localPath.chars ())) {
+         m_code = HttpClientResult::NoLocalFile;
+         return false;
+      }
+      auto uri = detail::HttpUri::parse (url);
+
+      // no https...
+      if (uri.protocol == "https") {
+         m_code = HttpClientResult::HttpOnly;
+         return false;
+      }
+
+      // unable to connect...
+      if (!m_socket.connect (uri.host)) {
+         m_code = HttpClientResult::ConnectError;
+         m_socket.disconnect ();
+
+         return false;
+      }
+
+      // receive the file
+      File file (localPath, "rb");
+
+      if (!file) {
+         m_code = HttpClientResult::Undefined;
+         m_socket.disconnect ();
+
+         return false;
+      }
+      String boundaryName = localPath;
+      size_t boundarySlash = localPath.findLastOf ("\\/");
+
+      if (boundarySlash != String::kInvalidIndex) {
+         boundaryName = localPath.substr (boundarySlash + 1);
+      }
+      const String &kBoundary = "---crlib_upload_boundary_1337";
+
+      String request, start, end;
+      start.appendf ("--%s\r\n", kBoundary.chars ());
+      start.appendf ("Content-Disposition: form-data; name='file'; filename='%s'\r\n", boundaryName.chars ());
+      start.append ("Content-Type: application/octet-stream\r\n\r\n");
+
+      end.appendf ("\r\n--%s--\r\n\r\n", kBoundary.chars ());
+
+      request.appendf ("POST /%s HTTP/1.1\r\n", uri.path.chars ());
+      request.appendf ("Host: %s\r\n", uri.host.chars ());
+      request.appendf ("User-Agent: %s\r\n", m_userAgent.chars ());
+      request.appendf ("Content-Type: multipart/form-data; boundary=%s\r\n", kBoundary.chars ());
+      request.appendf ("Content-Length: %d\r\n\r\n", file.length () + start.length () + end.length ());
+
+      // send the main request
+      if (m_socket.send (request.chars (), static_cast <int32> (request.length ())) < 1) {
+         m_code = HttpClientResult::SocketError;
+         m_socket.disconnect ();
+
+         return false;
+      }
+
+      // send boundary start
+      if (m_socket.send (start.chars (), static_cast <int32> (start.length ())) < 1) {
+         m_code = HttpClientResult::SocketError;
+         m_socket.disconnect ();
+
+         return false;
+      }
+      Array <uint8, ReservePolicy::PlusOne> buffer (m_chunkSize);
+      int32 length = 0;
+
+      for (;;) {
+         length = static_cast <int32> (file.read (buffer.data (), 1, m_chunkSize));
+
+         if (length > 0) {
+            m_socket.send (buffer.data (), length);
+         }
+         else {
+            break;
+         }
+      }
+
+      // send boundary end
+      if (m_socket.send (end.chars (), static_cast <int32> (end.length ())) < 1) {
+         m_code = HttpClientResult::SocketError;
+         m_socket.disconnect ();
+
+         return false;
+      }
+      m_code = parseResponseHeader (buffer.data ());
+      m_socket.disconnect ();
+
+      return m_code == HttpClientResult::OK;
+   }
+
+public:
+   void setUserAgent (const String &ua) {
+      m_userAgent = ua;
+   }
+
+   HttpClientResult getLastStatusCode () {
+      return m_code;
+   }
+
+   void setChunkSize (int32 chunkSize) {
+      m_chunkSize = chunkSize;
+   }
+
+   void setTimeout (uint32 timeout) {
+      m_socket.setTimeout (timeout);
+   }
+};
+
+// expose global http client
+static auto &http = HttpClient::get ();
+
+CR_NAMESPACE_END

include/crlib/cr-lambda.h

@@ -0,0 +1,173 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-alloc.h>
+#include <crlib/cr-uniqueptr.h>
+
+CR_NAMESPACE_BEGIN
+
+static constexpr uint32 kLambdaSmallBufferSize = sizeof (void *) * 16;
+
+template <typename> class Lambda;
+template <typename R, typename ...Args> class Lambda <R (Args...)> {
+   class LambdaFunctorWrapper {
+   public:
+      LambdaFunctorWrapper () = default;
+      virtual ~LambdaFunctorWrapper () = default;
+
+   public:
+      virtual void move (uint8 *to) = 0;
+      virtual void small (uint8 *to) const = 0;
+
+      virtual R invoke (Args &&...) = 0;
+      virtual UniquePtr <LambdaFunctorWrapper> clone () const = 0;
+
+   public:
+      void operator delete (void *ptr) {
+         alloc.deallocate (ptr);
+      }
+   };
+
+   template <typename T> class LambdaFunctor : public LambdaFunctorWrapper {
+   private:
+      T m_callable;
+
+   public:
+      LambdaFunctor (const T &callable) : LambdaFunctorWrapper (), m_callable (callable)
+      { }
+
+      LambdaFunctor (T &&callable) : LambdaFunctorWrapper (), m_callable (cr::move (callable))
+      { }
+
+      ~LambdaFunctor () override = default;
+
+   public:
+      void move (uint8 *to) override {
+         new (to) LambdaFunctor<T> (cr::move (m_callable));
+      }
+
+      void small (uint8 *to) const override {
+         new (to) LambdaFunctor<T> (m_callable);
+      }
+
+      R invoke (Args &&... args) override {
+         return m_callable (cr::forward <Args> (args)...);
+      }
+
+      UniquePtr <LambdaFunctorWrapper> clone () const override {
+         return createUniqueBase <LambdaFunctor <T>, LambdaFunctorWrapper> (m_callable);
+      }
+   };
+
+   union {
+      UniquePtr <LambdaFunctorWrapper> m_functor;
+      uint8 m_small[kLambdaSmallBufferSize];
+   };
+
+   bool m_smallObject;
+
+private:
+   void destroy () {
+      if (m_smallObject) {
+         reinterpret_cast <LambdaFunctorWrapper *> (m_small)->~LambdaFunctorWrapper ();
+      }
+      else {
+         m_functor.reset ();
+      }
+   }
+
+   void swap (Lambda &rhs) noexcept {
+      cr::swap (rhs, *this);
+   }
+
+public:
+   Lambda () noexcept : Lambda (nullptr) 
+   { }
+
+   Lambda (decltype (nullptr)) noexcept : m_functor (nullptr), m_smallObject (false)
+   { }
+
+   Lambda (const Lambda &rhs) {
+      if (rhs.m_smallObject) {
+         reinterpret_cast <const LambdaFunctorWrapper *> (rhs.m_small)->small (m_small);
+      }
+      else {
+         new (m_small) UniquePtr <LambdaFunctorWrapper> (rhs.m_functor->clone ());
+      }
+      m_smallObject = rhs.m_smallObject;
+   }
+
+   Lambda (Lambda &&rhs) noexcept {
+      if (rhs.m_smallObject) {
+         reinterpret_cast <LambdaFunctorWrapper *> (rhs.m_small)->move (m_small);
+         new (rhs.m_small) UniquePtr <LambdaFunctorWrapper> (nullptr);
+      }
+      else {
+         new (m_small) UniquePtr <LambdaFunctorWrapper> (cr::move (rhs.m_functor));
+      }
+      m_smallObject = rhs.m_smallObject;
+      rhs.m_smallObject = false;
+   }
+
+   template <typename F> Lambda (F function) {
+      if (cr::fix (sizeof (function) > kLambdaSmallBufferSize)) {
+         m_smallObject = false;
+         new (m_small) UniquePtr <LambdaFunctorWrapper> (createUniqueBase <LambdaFunctor <F>, LambdaFunctorWrapper> (cr::move (function)));
+      }
+      else {
+         m_smallObject = true;
+         new (m_small) LambdaFunctor<F> (cr::move (function));
+      }
+   }
+
+   ~Lambda () {
+      destroy ();
+   }
+
+public:
+   Lambda &operator = (const Lambda &rhs) {
+      destroy ();
+
+      Lambda tmp (rhs);
+      swap (tmp);
+
+      return *this;
+   }
+
+   Lambda &operator = (Lambda &&rhs) noexcept {
+      destroy ();
+
+      if (rhs.m_smallObject) {
+         reinterpret_cast <LambdaFunctorWrapper *> (rhs.m_small)->move (m_small);
+         new (rhs.m_small) UniquePtr <LambdaFunctorWrapper> (nullptr);
+      }
+      else {
+         new (m_small) UniquePtr <LambdaFunctorWrapper> (cr::move (rhs.m_functor));
+      }
+
+      m_smallObject = rhs.m_smallObject;
+      rhs.m_smallObject = false;
+
+      return *this;
+   }
+
+   explicit operator bool () const noexcept {
+      return m_smallObject || !!m_functor;
+   }
+
+public:
+   R operator () (Args ...args) {
+      return m_smallObject ? reinterpret_cast <LambdaFunctorWrapper *> (m_small)->invoke (cr::forward <Args> (args)...) : m_functor->invoke (cr::forward <Args> (args)...);
+   }
+};
+
+
+CR_NAMESPACE_END

include/crlib/cr-library.h

@@ -0,0 +1,89 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-string.h>
+
+#if defined (CR_LINUX) || defined (CR_OSX)
+#  include <dlfcn.h>
+#  include <errno.h>
+#  include <fcntl.h>
+#  include <sys/stat.h>
+#  include <unistd.h>
+#elif defined (CR_WINDOWS)
+#  define WIN32_LEAN_AND_MEAN 
+#  include <windows.h>
+#endif
+
+
+CR_NAMESPACE_BEGIN
+
+// handling dynamic library loading
+class SharedLibrary final : public DenyCopying {
+private:
+   void *m_handle = nullptr;
+
+public:
+   explicit SharedLibrary () = default;
+
+   SharedLibrary (const String &file) {
+      if (file.empty ()) {
+         return;
+      }
+      load (file);
+   }
+
+   ~SharedLibrary () {
+      unload ();
+   }
+
+public:
+   inline bool load (const String &file) noexcept {
+#ifdef CR_WINDOWS
+      m_handle = LoadLibraryA (file.chars ());
+#else
+      m_handle = dlopen (file.chars (), RTLD_NOW);
+#endif
+      return m_handle != nullptr;
+   }
+
+   void unload () noexcept {
+      if (!*this) {
+         return;
+      }
+#ifdef CR_WINDOWS
+      FreeLibrary (static_cast <HMODULE> (m_handle));
+#else
+      dlclose (m_handle);
+#endif
+   }
+
+   template <typename R> R resolve (const char *function) const {
+      if (!*this) {
+         return nullptr;
+      }
+
+      return reinterpret_cast <R> (
+#ifdef CR_WINDOWS
+         GetProcAddress (static_cast <HMODULE> (m_handle), function)
+#else
+         dlsym (m_handle, function)
+#endif
+         );
+   }
+
+public:
+   explicit operator bool () const {
+      return m_handle != nullptr;
+   }
+};
+
+CR_NAMESPACE_END

include/crlib/cr-logger.h

@@ -0,0 +1,98 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <time.h>
+
+#include <crlib/cr-files.h>
+#include <crlib/cr-lambda.h>
+
+#if defined (CR_WINDOWS)
+#  define WIN32_LEAN_AND_MEAN 
+#  include <windows.h>
+#endif
+
+CR_NAMESPACE_BEGIN
+
+class SimpleLogger final : public Singleton <SimpleLogger> {
+public:
+   using PrintFunction = Lambda <void (const char *)>;
+
+private:
+   File m_handle;
+   PrintFunction m_printer;
+
+public:
+   SimpleLogger () = default;
+
+   ~SimpleLogger () {
+      m_handle.close ();
+   }
+
+private:
+   void logToFile (const char *level, const char *msg) {
+      if (!m_handle) {
+         return;
+      }
+      time_t ticks = time (&ticks);
+      auto tm = localtime (&ticks);
+
+      auto timebuf = strings.chars ();
+      strftime (timebuf, StringBuffer::StaticBufferSize, "%Y-%m-%d %H:%M:%S", tm);
+
+      m_handle.puts ("%s (%s): %s\n", timebuf, level, msg);
+   }
+
+public:
+   template <typename ...Args> void fatal (const char *fmt, Args ...args) {
+      auto msg = strings.format (fmt, cr::forward <Args> (args)...);
+
+      logToFile ("FATAL", msg);
+
+      if (m_printer) {
+         m_printer (msg);
+      }
+      plat.abort (msg);
+   }
+
+   template <typename ...Args> void error (const char *fmt, Args ...args) {
+      auto msg = strings.format (fmt, cr::forward <Args> (args)...);
+
+      logToFile ("ERROR", msg);
+
+      if (m_printer) {
+         m_printer (msg);
+      }
+   }
+
+   template <typename ...Args> void message (const char *fmt, Args ...args) {
+      auto msg = strings.format (fmt, cr::forward <Args> (args)...);
+
+      logToFile ("INFO", msg);
+
+      if (m_printer) {
+         m_printer (msg);
+      }
+   }
+
+public:
+   void initialize (const String &filename, PrintFunction printFunction) {
+      if (m_handle) {
+         m_handle.close ();
+      }
+      m_printer = cr::move (printFunction);
+      m_handle.open (filename, "at");
+   }
+};
+
+// expose global instance
+static auto &logger = SimpleLogger::get ();
+
+CR_NAMESPACE_END

include/crlib/cr-math.h

@@ -0,0 +1,179 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+
+#if defined (CR_HAS_SSE2)
+#  include <immintrin.h>
+#endif
+
+CR_NAMESPACE_BEGIN
+
+constexpr float kFloatEpsilon = 0.01f;
+constexpr float kFloatEqualEpsilon = 0.001f;
+constexpr float kFloatCmpEpsilon = 1.192092896e-07f;
+
+constexpr float kMathPi = 3.141592653589793115997963468544185161590576171875f;
+constexpr float kMathPiReciprocal = 1.0f / kMathPi;
+constexpr float kMathPiHalf = kMathPi / 2;
+
+constexpr float kDegreeToRadians = kMathPi / 180.0f;
+constexpr float kRadiansToDegree = 180.0f / kMathPi;
+
+constexpr bool fzero (const float e) {
+   return cr::abs (e) < kFloatEpsilon;
+}
+
+constexpr bool fequal (const float a, const float b) {
+   return cr:: abs (a - b) < kFloatEqualEpsilon;
+}
+
+constexpr float radiansToDegrees (const float r) {
+   return r * kRadiansToDegree;
+}
+
+constexpr float degreesToRadians (const float d) {
+   return d * kDegreeToRadians;
+}
+
+constexpr float modAngles (const float a) {
+   return 360.0f / 65536.0f * (static_cast <int> (a * (65536.0f / 360.0f)) & 65535);
+}
+
+constexpr float normalizeAngles (const float a) {
+   return 360.0f / 65536.0f * (static_cast <int> ((a + 180.0f) * (65536.0f / 360.0f)) & 65535) - 180.0f;
+}
+
+constexpr float anglesDifference (const float a, const float b) {
+   return normalizeAngles (a - b);
+}
+
+inline float sinf (const float value) {
+   const auto sign = static_cast <int32> (value * kMathPiReciprocal);
+   const float calc = (value - static_cast <float> (sign) * kMathPi);
+
+   const float sqr = cr::square (calc);
+   const float res = 1.00000000000000000000e+00f + sqr * (-1.66666671633720397949e-01f + sqr * (8.33333376795053482056e-03f + sqr * (-1.98412497411482036114e-04f +
+      sqr * (2.75565571428160183132e-06f + sqr * (-2.50368472620721149724e-08f + sqr * (1.58849267073435385100e-10f + sqr * -6.58925550841432672300e-13f))))));
+
+   return (sign & 1) ? -calc * res : value * res;
+}
+
+inline float cosf (const float value) {
+   const auto sign = static_cast <int32> (value * kMathPiReciprocal);
+   const float calc = (value - static_cast <float> (sign) * kMathPi);
+
+   const float sqr = cr::square (calc);
+   const float res = sqr * (-5.00000000000000000000e-01f + sqr * (4.16666641831398010254e-02f + sqr * (-1.38888671062886714935e-03f + sqr * (2.48006890615215525031e-05f +
+      sqr * (-2.75369927749125054106e-07f + sqr * (2.06207229069832465029e-09f + sqr * -9.77507137733812925262e-12f))))));
+
+   const float f = -1.00000000000000000000e+00f;
+
+   return (sign & 1) ? f - res : -f + res;
+}
+
+inline float atanf (const float x) {
+   const float sqr = cr::square (x);
+   return x * (48.70107004404898384f + sqr * (49.5326263772254345f + sqr * 9.40604244231624f)) / (48.70107004404996166f + sqr * (65.7663163908956299f + sqr * (21.587934067020262f + sqr)));
+};
+
+inline float atan2f (const float y, const float x) {
+   const float ax = cr::abs (x);
+   const float ay = cr::abs (y);
+
+   if (ax < 1e-7f && ay < 1e-7f) {
+      return 0.0f;
+   }
+
+   if (ax > ay) {
+      if (x < 0.0f) {
+         if (y >= 0.0f) {
+            return atanf (y / x) + kMathPi;
+         }
+         return atanf (y / x) - kMathPi;
+      }
+      return atanf (y / x);
+   }
+
+   if (y < 0.0f) {
+      return atanf (-x / y) - kMathPiHalf;
+   }
+   return atanf (-x / y) + kMathPiHalf;
+}
+
+inline float powf (const float x, const float y) {
+   union {
+      float d;
+      int x;
+   } res { x };
+
+   res.x = static_cast <int> (y * (res.x - 1064866805) + 1064866805);
+   return res.d;
+}
+
+inline float sqrtf (const float value) {
+   return powf (value, 0.5f);
+}
+
+inline float tanf (const float value) {
+   return sinf (value) / cosf (value);
+}
+
+constexpr float ceilf (const float x) {
+   return static_cast <float> (65536 - static_cast <int> (65536.0f - x));
+}
+
+inline void sincosf (const float x, const float y, const float z, float *sines, float *cosines) {
+#if defined (CR_HAS_SSE2)
+   auto set = _mm_set_ps (x, y, z, 0.0f);
+
+   auto _mm_sin = [] (__m128 rad) -> __m128 {
+      static auto pi2 = _mm_set_ps1 (kMathPi * 2);
+      static auto rp1 = _mm_set_ps1 (4.0f / kMathPi);
+      static auto rp2 = _mm_set_ps1 (-4.0f / (kMathPi * kMathPi));
+      static auto val = _mm_cmpnlt_ps (rad, _mm_set_ps1 (kMathPi));
+      static auto csi = _mm_castsi128_ps (_mm_set1_epi32 (0x80000000));
+
+      val = _mm_and_ps (val, pi2);
+      rad = _mm_sub_ps (rad, val);
+      val = _mm_cmpngt_ps (rad, _mm_set_ps1 (-kMathPi));
+      val = _mm_and_ps (val, pi2);
+      rad = _mm_add_ps (rad, val);
+      val = _mm_mul_ps (_mm_andnot_ps (csi, rad), rp2);
+      val = _mm_add_ps (val, rp1);
+
+      auto si = _mm_mul_ps (val, rad);
+
+      val = _mm_mul_ps (_mm_andnot_ps (csi, si), si);
+      val = _mm_sub_ps (val, si);
+      val = _mm_mul_ps (val, _mm_set_ps1 (0.225f));
+
+      return _mm_add_ps (val, si);
+   };
+   static auto hpi = _mm_set_ps1 (kMathPiHalf);
+
+   auto s = _mm_sin (set);
+   auto c = _mm_sin (_mm_add_ps (set, hpi));
+
+   _mm_store_ps (sines, _mm_shuffle_ps (s, s, _MM_SHUFFLE (0, 1, 2, 3)));
+   _mm_store_ps (cosines, _mm_shuffle_ps (c, c, _MM_SHUFFLE (0, 1, 2, 3)));
+#else
+   sines[0] = cr::sinf (x);
+   sines[1] = cr::sinf (y);
+   sines[2] = cr::sinf (z);
+
+   cosines[0] = cr::cosf (x);
+   cosines[1] = cr::cosf (y);
+   cosines[2] = cr::cosf (z);
+#endif
+}
+
+CR_NAMESPACE_END

include/crlib/cr-movable.h

@@ -0,0 +1,58 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+
+CR_NAMESPACE_BEGIN
+
+namespace detail {
+   template <typename T> struct ClearRef {
+      using Type = T;
+   };
+   template <typename T> struct ClearRef <T &> {
+      using Type = T;
+   };
+   template <typename T> struct ClearRef <T &&> {
+      using Type = T;
+   };
+};
+
+template <typename T> typename detail::ClearRef <T>::Type constexpr &&move (T &&type) noexcept {
+   return static_cast <typename detail::ClearRef <T>::Type &&> (type);
+}
+
+template <typename T> constexpr T &&forward (typename detail::ClearRef <T>::Type &type) noexcept {
+   return static_cast <T &&> (type);
+}
+
+template <typename T> constexpr T &&forward (typename detail::ClearRef <T>::Type &&type) noexcept {
+   return static_cast <T &&> (type);
+}
+
+template <typename T> inline void swap (T &left, T &right) noexcept {
+   auto temp = cr::move (left);
+   left = cr::move (right);
+   right = cr::move (temp);
+}
+
+template <typename T, size_t S> inline void swap (T (&left)[S], T (&right)[S]) noexcept {
+   if (&left == &right) {
+      return;
+   }
+   auto begin = left;
+   auto end = begin + S;
+
+   for (auto temp = right; begin != end; ++begin, ++temp) {
+      cr::swap (*begin, *temp);
+   }
+}
+
+CR_NAMESPACE_END

include/crlib/cr-platform.h

@@ -0,0 +1,172 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+CR_NAMESPACE_BEGIN
+
+// detects the build platform
+#if defined(__linux__)
+#  define CR_LINUX
+#elif defined(__APPLE__)
+#  define CR_OSX
+#elif defined(_WIN32)
+#  define CR_WINDOWS
+#endif
+
+#if defined(__ANDROID__)
+#  define CR_ANDROID
+#     if defined(LOAD_HARDFP)
+#        define CR_ANDROID_HARD_FP
+#     endif
+#endif
+
+// detects the compiler
+#if defined(_MSC_VER)
+#  define CR_CXX_MSVC
+#elif defined(__clang__)
+#  define CR_CXX_CLANG
+#endif
+
+// configure export macros
+#if defined(CR_WINDOWS)
+#  define CR_EXPORT extern "C" __declspec (dllexport)
+#elif defined(CR_LINUX) || defined(CR_OSX)
+#  define CR_EXPORT extern "C" __attribute__((visibility("default")))
+#else
+#  error "Can't configure export macros. Compiler unrecognized."
+#endif
+
+#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__) || defined(__amd64) || (defined(_MSC_VER) && defined(_M_X64))
+#  define CR_ARCH_X64
+#elif defined(__i686) || defined(__i686__) || defined(__i386) || defined(__i386__) || defined(i386) || (defined(_MSC_VER) && defined(_M_IX86))
+#  define CR_ARCH_X86
+#endif
+
+#if (defined(CR_ARCH_X86) || defined(CR_ARCH_X64)) && !defined(CR_DEBUG)
+#  define CR_HAS_SSE2
+#endif
+
+CR_NAMESPACE_END
+
+#if defined(CR_WINDOWS)
+#  include <direct.h>
+#  define stricmp _stricmp
+#else
+#  include <unistd.h>
+#  include <sys/stat.h>
+#  define stricmp strcasecmp
+#endif
+
+#include <assert.h>
+
+#if defined (CR_ANDROID)
+#  include <android/log.h>
+#endif
+
+CR_NAMESPACE_BEGIN
+
+// helper struct for platform detection
+struct Platform : public Singleton <Platform> {
+   bool isWindows = false;
+   bool isLinux = false;
+   bool isOSX = false;
+   bool isAndroid = false;
+   bool isAndroidHardFP = false;
+   bool isX64 = false;
+
+   Platform () {
+#if defined(CR_WINDOWS)
+      isWindows = true;
+#endif
+
+#if defined(CR_ANDROID)
+      isAndroid = true;
+
+#     if defined (CR_ANDROID_HARD_FP)
+         isAndroidHardFP = true;
+#     endif
+#endif
+
+#if defined(CR_LINUX)
+      isLinux = true;
+#endif
+
+#if defined (CR_OSX)
+      isOSX = true;
+#endif
+
+#if defined (CR_ARCH_X64)
+      isX64 = true;
+#endif
+   }
+
+   // helper platform-dependant functions
+   template <typename U> bool checkPointer (U *ptr) {
+#if defined(CR_WINDOWS)
+      if (IsBadCodePtr (reinterpret_cast <FARPROC> (ptr))) {
+         return false;
+      }
+#else
+      (void) (ptr);
+#endif
+      return true;
+   }
+
+   bool createDirectory (const char *dir) {
+      int result = 0;
+#if defined(CR_WINDOWS)
+      result = _mkdir (dir);
+#else
+      result = mkdir (dir, 0777);
+#endif
+      return !!result;
+   }
+
+   bool removeDirectory (const char *dir) {
+#if defined(CR_WINDOWS)
+      _unlink (dir);
+#else
+      unlink (dir);
+#endif
+      return true;
+   }
+
+   bool hasModule (const char *mod) {
+#if defined(CR_WINDOWS)
+      return GetModuleHandleA (mod) != nullptr;
+#else
+      (void) (mod);
+      return true;
+#endif
+   }
+
+   void abort (const char *msg = "OUT OF MEMORY!") noexcept {
+      fprintf (stderr, "%s\n", msg);
+
+#if defined (CR_ANDROID)
+      __android_log_write (ANDROID_LOG_ERROR, "crlib.fatal", msg);
+#endif
+
+#if defined(CR_WINDOWS)
+      if (msg) {
+         DestroyWindow (GetForegroundWindow ());
+         MessageBoxA (GetActiveWindow (), msg, "crlib.fatal", MB_ICONSTOP);
+      }
+#endif
+      ::abort ();
+   }
+
+};
+
+// expose platform singleton
+static auto &plat = Platform::get ();
+
+
+CR_NAMESPACE_END

include/crlib/cr-random.h

@@ -0,0 +1,66 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <time.h>
+#include <crlib/cr-basic.h>
+
+CR_NAMESPACE_BEGIN
+
+// random number generator see: https://github.com/preshing/RandomSequence/
+class Random final : public Singleton <Random> {
+private:
+   uint32 m_index, m_offset;
+   uint64 m_divider;
+
+public:
+   explicit Random () {
+      const auto base = static_cast <uint32> (time (nullptr));
+      const auto offset = base + 1;
+
+      m_index = premute (premute (base) + 0x682f0161);
+      m_offset = premute (premute (offset) + 0x46790905);
+      m_divider = (static_cast <uint64> (1)) << 32;
+   }
+   ~Random () = default;
+
+private:
+   uint32 premute (uint32 index) {
+      static constexpr auto prime = 4294967291u;
+
+      if (index >= prime) {
+         return index;
+      }
+      const uint32 residue = (static_cast <uint64> (index) * index) % prime;
+      return (index <= prime / 2) ? residue : prime - residue;
+   }
+
+   uint32 generate () {
+      return premute ((premute (m_index++) + m_offset) ^ 0x5bf03635);
+   }
+
+public:
+   template <typename U> U int_ (U low, U high) {
+      return static_cast <U> (generate () * (static_cast <double> (high) - static_cast <double> (low) + 1.0) / m_divider + static_cast <double> (low));
+   }
+
+   float float_ (float low, float high) {
+      return static_cast <float> (generate () * (static_cast <double> (high) - static_cast <double> (low)) / (m_divider - 1) + static_cast <double> (low));
+   }
+
+   template <typename U> bool chance (const U max, const U maxChance = 100) {
+      return int_ <U> (0, maxChance) < max;
+   }
+};
+
+// expose global random generator
+static auto &rg = Random::get ();
+
+CR_NAMESPACE_END

include/crlib/cr-string.h

@@ -0,0 +1,870 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <string.h>
+#include <ctype.h>
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-alloc.h>
+#include <crlib/cr-movable.h>
+#include <crlib/cr-twin.h>
+#include <crlib/cr-uniqueptr.h>
+
+CR_NAMESPACE_BEGIN
+
+// small-string optimized string class, sso stuff based on: https://github.com/elliotgoodrich/SSO-23/
+class String final  {
+public:
+   static constexpr size_t kInvalidIndex = static_cast <size_t> (-1);
+
+private:
+   static constexpr size_t kExcessSpace = 32;
+
+private:
+   using Length = Twin <size_t, size_t>;
+
+private:
+   union Data {
+      struct Big {
+         char excess[kExcessSpace - sizeof (char *) - 2 * sizeof (size_t)];
+         char *ptr;
+         size_t length;
+         size_t capacity;
+      } big;
+
+      struct Small {
+         char str[sizeof (Big) / sizeof (char) - 1];
+         uint8 length;
+      } small;
+   } m_data;
+
+private:
+   static size_t const kSmallCapacity = sizeof (typename Data::Big) / sizeof (char) - 1;
+
+public:
+   explicit String () {
+      reset ();
+      assign ("", 0);
+   }
+
+   String (const char *str, size_t length = 0) {
+      reset ();
+      assign (str, length);
+   }
+
+   String (const String &str) {
+      reset ();
+      assign (str.data (), str.length ());
+   }
+
+   String (const char ch) {
+      reset ();
+      assign (ch);
+   }
+
+   String (String &&rhs) noexcept {
+      m_data = rhs.m_data;
+      rhs.setMoved ();
+   }
+
+   ~String () {
+      destroy ();
+   }
+
+private:
+   template <typename T> static uint8 &getMostSignificantByte (T &object) {
+      return *(reinterpret_cast <uint8 *> (&object) + sizeof (object) - 1);
+   }
+
+   template <size_t N> static bool getLeastSignificantBit (uint8 byte) {
+      return byte & cr::bit (N);
+   }
+
+   template <size_t N> static bool getMostSignificantBit (uint8 byte) {
+      return byte & cr::bit (CHAR_BIT - N - 1);
+   }
+
+   template <size_t N> static void setLeastSignificantBit (uint8 &byte, bool bit) {
+      if (bit) {
+         byte |= cr::bit (N);
+      }
+      else {
+         byte &= ~cr::bit (N);
+      }
+   }
+
+   template <size_t N> static void setMostSignificantBit (uint8 &byte, bool bit) {
+      if (bit) {
+         byte |= cr::bit (CHAR_BIT - N - 1);
+      }
+      else {
+         byte &= ~cr::bit (CHAR_BIT - N - 1);
+      }
+   }
+
+   void destroy () {
+      if (!isSmall ()) {
+         alloc.deallocate (m_data.big.ptr);
+      }
+   }
+
+   void reset () {
+      m_data.small.length = 0;
+      m_data.small.str[0] = '\0';
+
+      m_data.big.ptr = nullptr;
+      m_data.big.length = 0;
+   }
+
+   void endString (const char *str, size_t at) {
+      const_cast <char *> (str)[at] = '\0';
+   }
+
+   void moveString (const char *dst, const char *src, size_t length) {
+      if (!dst) {
+         return;
+      }
+      memmove (const_cast <char *> (dst), src, length);
+   }
+
+   const char *data () const {
+      return isSmall () ? m_data.small.str : m_data.big.ptr;
+   }
+
+   void setMoved () {
+      setSmallLength (0);
+   }
+
+   void setLength (size_t amount, size_t capacity) {
+      if (amount <= kSmallCapacity) {
+         endString (m_data.small.str, amount);
+         setSmallLength (static_cast <uint8> (amount));
+      }
+      else {
+         endString (m_data.big.ptr, amount);
+         setDataNonSmall (amount, capacity);
+      }
+   }
+
+   bool isSmall () const  {
+      return !getLeastSignificantBit <0> (m_data.small.length) && !getLeastSignificantBit <1> (m_data.small.length);
+   }
+
+   void setSmallLength (uint8 length) {
+      m_data.small.length = static_cast <char> (kSmallCapacity - length) << 2;
+   }
+
+   size_t getSmallLength () const {
+      return kSmallCapacity - ((m_data.small.length >> 2) & 63u);
+   }
+
+   void setDataNonSmall (size_t length, size_t capacity) {
+      uint8 &lengthHighByte = getMostSignificantByte (length);
+      uint8 &capacityHighByte = getMostSignificantByte (capacity);
+
+      const bool lengthHasHighBit = getMostSignificantBit <0> (lengthHighByte);
+      const bool capacityHasHighBit = getMostSignificantBit <0> (capacityHighByte);
+      const bool capacityHasSecHighBit = getMostSignificantBit <1> (capacityHighByte);
+
+      setMostSignificantBit <0> (lengthHighByte, capacityHasSecHighBit);
+
+      capacityHighByte <<= 2;
+      setLeastSignificantBit <0> (capacityHighByte, capacityHasHighBit);
+      setLeastSignificantBit <1> (capacityHighByte, !lengthHasHighBit);
+
+      m_data.big.length = length;
+      m_data.big.capacity = capacity;
+   }
+
+   Length getDataNonSmall () const {
+      size_t length = m_data.big.length;
+      size_t capacity = m_data.big.capacity;
+
+      uint8 &lengthHighByte = getMostSignificantByte (length);
+      uint8 &capacityHighByte = getMostSignificantByte (capacity);
+
+      const bool capacityHasHighBit = getLeastSignificantBit <0> (capacityHighByte);
+      const bool lengthHasHighBit = !getLeastSignificantBit <1> (capacityHighByte);
+      const bool capacityHasSecHighBit = getMostSignificantBit <0> (lengthHighByte);
+
+      setMostSignificantBit <0> (lengthHighByte, lengthHasHighBit);
+
+      capacityHighByte >>= 2;
+      setMostSignificantBit <0> (capacityHighByte, capacityHasHighBit);
+      setMostSignificantBit <1> (capacityHighByte, capacityHasSecHighBit);
+
+      return { length, capacity };
+   }
+
+public:
+   String &assign (const char *str, size_t length = 0) {
+      length = length > 0 ? length : strlen (str);
+
+      if (length <= kSmallCapacity) {
+         moveString (m_data.small.str, str, length);
+
+         endString (m_data.small.str, length);
+         setSmallLength (static_cast <uint8> (length));
+      }
+      else {
+         auto capacity = cr::max (kSmallCapacity * 2, length);
+         m_data.big.ptr = alloc.allocate <char> (capacity + 1);
+
+         if (m_data.big.ptr) {
+            moveString (m_data.big.ptr, str, length);
+
+            endString (m_data.big.ptr, length);
+            setDataNonSmall (length, capacity);
+         }
+      }
+      return *this;
+   }
+
+   String &assign (const String &str, size_t length = 0) {
+      return assign (str.chars (), length);
+   }
+
+   String &assign (const char ch) {
+      const char str[] { ch, '\0' };
+      return assign (str, strlen (str));
+   }
+
+   String &append (const char *str, size_t length = 0) {
+      if (empty ()) {
+         return assign (str, length);
+      }
+      length = length > 0 ? length : strlen (str);
+
+      size_t oldLength = this->length ();
+      size_t newLength = oldLength + length;
+
+      resize (newLength);
+
+      moveString (&data ()[oldLength], str, length);
+      endString (data (), newLength);
+
+      return *this;
+   }
+
+   String &append (const String &str, size_t length = 0) {
+      return append (str.chars (), length);
+   }
+
+   String &append (const char ch) {
+      const char str[] { ch, '\0' };
+      return append (str, strlen (str));
+   }
+
+   template <typename ...Args> String &assignf (const char *fmt, Args ...args) {
+      const size_t size = snprintf (nullptr, 0, fmt, args...);
+
+      Array <char, ReservePolicy::PlusOne> buffer (size + 1);
+      snprintf (buffer.data (), size + 1, fmt, cr::forward <Args> (args)...);
+
+      return assign (buffer.data ());
+   }
+
+   template <typename ...Args> String &appendf (const char *fmt, Args ...args) {
+      if (empty ()) {
+         return assignf (fmt, cr::forward <Args> (args)...);
+      }
+      const size_t size = snprintf (nullptr, 0, fmt, args...) + length ();
+
+      Array <char, ReservePolicy::PlusOne> buffer (size + 1);
+      snprintf (buffer.data (), size + 1, fmt, cr::forward <Args> (args)...);
+
+      return append (buffer.data ());
+   }
+
+   void resize (size_t amount) {
+      size_t oldLength = length ();
+
+      if (amount <= kSmallCapacity) {
+         if (!isSmall ()) {
+            auto ptr = m_data.big.ptr;
+
+            moveString (m_data.small.str, ptr, cr::min (oldLength, amount));
+            alloc.deallocate (ptr);
+         }
+         setLength (amount, 0);
+      }
+      else {
+         size_t newCapacity = 0;
+
+         if (isSmall ()) {
+            newCapacity = cr::max (amount, kSmallCapacity * 2);
+            auto ptr = alloc.allocate <char> (newCapacity + 1);
+
+            moveString (ptr, m_data.small.str, cr::min (oldLength, amount));
+            m_data.big.ptr = ptr;
+         }
+         else if (amount < capacity ()) {
+            newCapacity = capacity ();
+         }
+         else {
+            newCapacity = cr::max (amount, capacity () * 3 / 2);
+            auto ptr = alloc.allocate <char> (newCapacity + 1);
+
+            moveString (ptr, m_data.big.ptr, cr::min (oldLength, amount));
+            alloc.deallocate (m_data.big.ptr);
+
+            m_data.big.ptr = ptr;
+         }
+         setLength (amount, newCapacity);
+      }
+   }
+
+   bool insert (size_t index, const String &str) {
+      if (str.empty ()) {
+         return false;
+      }
+
+      const size_t strLength = str.length ();
+      const size_t dataLength = length ();
+
+      if (index >= dataLength) {
+         append (str.chars (), strLength);
+      }
+      else {
+         resize (dataLength + strLength);
+
+         for (size_t i = dataLength; i > index; --i) {
+            at (i + strLength - 1) = at (i - 1);
+         }
+
+         for (size_t i = 0; i < strLength; ++i) {
+            at (i + index) = str.at (i);
+         }
+      }
+      return true;
+   }
+
+   bool erase (size_t index, size_t count = 1) {
+      const size_t dataLength = length ();
+
+      if (index + count > dataLength) {
+         return false;
+      }
+      const size_t newLength = dataLength - count;
+
+      for (size_t i = index; i < newLength; ++i) {
+         at (i) = at (i + count);
+      }
+      resize (newLength);
+
+      return true;
+   }
+
+   size_t find (char pattern, size_t start = 0) const {
+      for (size_t i = start; i < length (); ++i) {
+         if (at (i) == pattern) {
+            return i;
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t find (const String &pattern, size_t start = 0) const {
+      const size_t patternLength = pattern.length ();
+      const size_t dataLength = length ();
+
+      if (patternLength > dataLength || start > dataLength) {
+         return kInvalidIndex;
+      }
+
+      for (size_t i = start; i <= dataLength - patternLength; ++i) {
+         size_t index = 0;
+
+         for (; at (index) && index < patternLength; ++index) {
+            if (at (i + index) != pattern.at (index)) {
+               break;
+            }
+         }
+
+         if (!pattern.at (index)) {
+            return i;
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t rfind (char pattern) const {
+      for (size_t i = length (); i != 0; i--) {
+         if (at (i) == pattern) {
+            return i;
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t rfind (const String &pattern) const {
+      const size_t patternLength = pattern.length ();
+      const size_t dataLength = length ();
+
+      if (patternLength > dataLength) {
+         return kInvalidIndex;
+      }
+      bool match = true;
+
+      for (size_t i = dataLength - 1; i >= patternLength; i--) {
+         match = true;
+
+         for (size_t j = patternLength - 1; j > 0; j--) {
+            if (at (i + j) != pattern.at (j)) {
+               match = false;
+               break;
+            }
+         }
+
+         if (match) {
+            return i;
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t findFirstOf (const String &pattern, size_t start = 0) const {
+      const size_t patternLength = pattern.length ();
+      const size_t dataLength = length ();
+
+      for (size_t i = start; i < dataLength; ++i) {
+         for (size_t j = 0; j < patternLength; ++j) {
+            if (at (i) == pattern.at (j)) {
+               return i;
+            }
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t findLastOf (const String &pattern) const {
+      const size_t patternLength = pattern.length ();
+      const size_t dataLength = length ();
+
+      for (size_t i = dataLength - 1; i > 0; i--) {
+         for (size_t j = 0; j < patternLength; ++j) {
+            if (at (i) == pattern.at (j)) {
+               return i;
+            }
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t findFirstNotOf (const String &pattern, size_t start = 0) const {
+      const size_t patternLength = pattern.length ();
+      const size_t dataLength = length ();
+
+      bool different = true;
+
+      for (size_t i = start; i < dataLength; ++i) {
+         different = true;
+
+         for (size_t j = 0; j < patternLength; ++j) {
+            if (at (i) == pattern.at (j)) {
+               different = false;
+               break;
+            }
+         }
+
+         if (different) {
+            return i;
+         }
+      }
+      return kInvalidIndex;
+   }
+
+   size_t findLastNotOf (const String &pattern) const {
+      const size_t patternLength = pattern.length ();
+      const size_t dataLength = length ();
+
+      bool different = true;
+
+      for (size_t i = dataLength - 1; i > 0; i--) {
+         different = true;
+
+         for (size_t j = 0; j < patternLength; ++j) {
+            if (at (i) == pattern.at (j)) {
+               different = false;
+               break;
+            }
+         }
+         if (different) {
+            return i;
+         }
+      }
+      return kInvalidIndex;
+   }
+
+
+   size_t countChar (char ch) const {
+      size_t count = 0;
+
+      for (size_t i = 0, e = length (); i != e; ++i) {
+         if (at (i) == ch) {
+            ++count;
+         }
+      }
+      return count;
+   }
+
+   size_t countStr (const String &pattern) const {
+      const size_t patternLen = pattern.length ();
+      const size_t dataLength = length ();
+
+      if (patternLen > dataLength) {
+         return 0;
+      }
+      size_t count = 0;
+
+      for (size_t i = 0, e = dataLength - patternLen + 1; i != e; ++i) {
+         if (substr (i, patternLen).compare (pattern)) {
+            ++count;
+         }
+      }
+      return count;
+   }
+
+   String substr (size_t start, size_t count = kInvalidIndex) const {
+      start = cr::min (start, length ());
+
+      if (count == kInvalidIndex) {
+         count = length ();
+      }
+      return String (data () + start, cr::min (count, length () - start));
+   }
+
+   size_t replace (const String &needle, const String &to) {
+      if (needle.empty () || to.empty ()) {
+         return 0;
+      }
+      size_t replaced = 0, pos = 0;
+
+      while (pos < length ()) {
+         pos = find (needle, pos);
+
+         if (pos == kInvalidIndex) {
+            break;
+         }
+         erase (pos, needle.length ());
+         insert (pos, to);
+
+         pos += to.length ();
+         replaced++;
+      }
+      return replaced;
+   }
+
+   bool startsWith (const String &prefix) const {
+      const size_t prefixLength = prefix.length ();
+      const size_t dataLength = length ();
+
+      return prefixLength <= dataLength && strncmp (data (), prefix.data (), prefixLength) == 0;
+   }
+
+   bool endsWith (const String &suffix) const {
+      const size_t suffixLength = suffix.length ();
+      const size_t dataLength = length ();
+
+      return suffixLength <= dataLength && strncmp (data () + dataLength - suffixLength, suffix.data (), suffixLength) == 0;
+   }
+
+   Array <String> split (const String &delim) const {
+      Array <String> tokens;
+      size_t prev = 0, pos = 0;
+
+      while ((pos = find (delim, pos)) != kInvalidIndex) {
+         tokens.push (substr (prev, pos - prev));
+         prev = ++pos;
+      }
+      tokens.push (substr (prev, pos - prev));
+
+      return tokens;
+   }
+
+   size_t length () const {
+      if (isSmall ()) {
+         return getSmallLength ();
+      }
+      else {
+         return getDataNonSmall ().first;
+      }
+   }
+
+   size_t capacity () const {
+      if (isSmall ()) {
+         return sizeof (m_data) - 1;
+      }
+      else {
+         return getDataNonSmall ().second;
+      }
+   }
+
+   bool small () const {
+      return isSmall ();
+   }
+
+   bool empty () const {
+      return length () == 0;
+   }
+
+   void clear () {
+      assign ("");
+   }
+
+   const char *chars () const {
+      return data ();
+   }
+
+   const char &at (size_t index) const {
+      return begin ()[index];
+   }
+
+   char &at (size_t index) {
+      return begin ()[index];
+   }
+
+   int32 compare (const String &rhs) const {
+      return strcmp (rhs.data (), data ());
+   }
+
+   int32 compare (const char *rhs) const {
+      return strcmp (rhs, data ());
+   }
+
+   bool contains (const String &rhs) const {
+      return find (rhs) != kInvalidIndex;
+   }
+
+   String &lowercase () {
+      for (auto &ch : *this) {
+         ch = static_cast <char> (::tolower (ch));
+      }
+      return *this;
+   }
+
+   String &uppercase () {
+      for (auto &ch : *this) {
+         ch = static_cast <char> (::toupper (ch));
+      }
+      return *this;
+   }
+
+   int32 int_ () const {
+      return atoi (data ());
+   }
+
+   float float_ () const {
+      return static_cast <float> (atof (data ()));
+   }
+
+   String &ltrim (const String &characters = "\r\n\t ") {
+      size_t begin = length ();
+
+      for (size_t i = 0; i < begin; ++i) {
+         if (characters.find (at (i)) == kInvalidIndex) {
+            begin = i;
+            break;
+         }
+      }
+      return *this = substr (begin, length () - begin);
+   }
+
+   String &rtrim (const String &characters = "\r\n\t ") {
+      size_t end = 0;
+
+      for (size_t i = length (); i > 0; --i) {
+         if (characters.find (at (i - 1)) == kInvalidIndex) {
+            end = i;
+            break;
+         }
+      }
+      return *this = substr (0, end);
+   }
+
+   String &trim (const String &characters = "\r\n\t ") {
+      return ltrim (characters).rtrim (characters);
+   }
+
+public:
+   String &operator = (String &&rhs) noexcept {
+      destroy ();
+
+      m_data = rhs.m_data;
+      rhs.setMoved ();
+
+      return *this;
+   }
+
+   String &operator = (const String &rhs) {
+      return assign (rhs);
+   }
+
+   String &operator = (const char *rhs) {
+      return assign (rhs);
+   }
+
+   String &operator = (char rhs) {
+      return assign (rhs);
+   }
+
+   String &operator += (const String &rhs) {
+      return append (rhs);
+   }
+
+   String &operator += (const char *rhs) {
+      return append (rhs);
+   }
+
+   const char &operator [] (size_t index) const {
+      return at (index);
+   }
+
+   char &operator [] (size_t index) {
+      return at (index);
+   }
+
+   friend String operator + (const String &lhs, char rhs) {
+      return String (lhs).append (rhs);
+   }
+
+   friend String operator + (char lhs, const String &rhs) {
+      return String (lhs).append (rhs);
+   }
+
+   friend String operator + (const String &lhs, const char *rhs) {
+      return String (lhs).append (rhs);
+   }
+
+   friend String operator + (const char *lhs, const String &rhs) {
+      return String (lhs).append (rhs);
+   }
+
+   friend String operator + (const String &lhs, const String &rhs) {
+      return String (lhs).append (rhs);
+   }
+
+   friend bool operator == (const String &lhs, const String &rhs) {
+      return lhs.compare (rhs) == 0;
+   }
+
+   friend bool operator < (const String &lhs, const String &rhs) {
+      return lhs.compare (rhs) < 0;
+   }
+
+   friend bool operator > (const String &lhs, const String &rhs) {
+      return lhs.compare (rhs) > 0;
+   }
+
+   friend bool operator == (const char *lhs, const String &rhs) {
+      return rhs.compare (lhs) == 0;
+   }
+
+   friend bool operator == (const String &lhs, const char *rhs) {
+      return lhs.compare (rhs) == 0;
+   }
+
+   friend bool operator != (const String &lhs, const String &rhs) {
+      return lhs.compare (rhs) != 0;
+   }
+
+   friend bool operator != (const char *lhs, const String &rhs) {
+      return rhs.compare (lhs) != 0;
+   }
+
+   friend bool operator != (const String &lhs, const char *rhs) {
+      return lhs.compare (rhs) != 0;
+   }
+
+public:
+   static String join (const Array <String> &sequence, const String &delim, size_t start = 0) {
+      if (sequence.empty ()) {
+         return "";
+      }
+
+      if (sequence.length () == 1) {
+         return sequence.at (0);
+      }
+      String result;
+
+      for (size_t index = start; index < sequence.length (); ++index) {
+         if (index != start) {
+            result += delim + sequence[index];
+         }
+         else {
+            result += sequence[index];
+         }
+      }
+      return result;
+   }
+
+   // for range-based loops
+public:
+   char *begin () {
+      return const_cast <char *> (data ());
+   }
+
+   char *begin () const {
+      return const_cast <char *> (data ());
+   }
+
+   char *end () {
+      return begin () + length ();
+   }
+
+   char *end () const {
+      return begin () + length ();
+   }
+};
+
+// simple rotation-string pool for holding temporary data passed to different modules and for formatting
+class StringBuffer final : public Singleton <StringBuffer> {
+public:
+   enum : size_t {
+      StaticBufferSize = static_cast <size_t> (768),
+      RotationCount = static_cast <size_t> (32)
+   };
+
+private:
+   char m_data[RotationCount + 1][StaticBufferSize] {};
+   size_t m_rotate = 0;
+
+public:
+   StringBuffer () = default;
+   ~StringBuffer () = default;
+
+public:
+   char *chars () {
+      if (++m_rotate >= RotationCount) {
+         m_rotate = 0;
+      }
+      return m_data[cr::clamp <size_t> (m_rotate, 0, RotationCount)];
+   }
+
+   template <typename U, typename ...Args> U *format (const U *fmt, Args ...args) {
+      auto buffer = Singleton <StringBuffer>::get ().chars ();
+      snprintf (buffer, StaticBufferSize, fmt, args...);
+
+      return buffer;
+   }
+
+   template <typename U> U *format (const U *fmt) {
+      auto buffer = Singleton <StringBuffer>::get ().chars ();
+      strncpy (buffer, fmt, StaticBufferSize);
+
+      return buffer;
+   }
+};
+
+// expose global string pool
+static auto &strings = StringBuffer::get ();
+
+CR_NAMESPACE_END

include/crlib/cr-twin.h

@@ -0,0 +1,75 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-movable.h>
+
+CR_NAMESPACE_BEGIN
+
+// simple pair (twin)
+template <typename A, typename B> class Twin {
+public:
+   A first;
+   B second;
+
+public:
+   template <typename T, typename U> Twin (T &&a, U &&b) : first (cr::forward <T> (a)), second (cr::forward <U> (b)) { }
+   template <typename T, typename U> Twin (const Twin <T, U> &rhs) : first (rhs.first), second (rhs.second) { }
+   template <typename T, typename U> Twin (Twin <T, U> &&rhs) noexcept : first (cr::move (rhs.first)), second (cr::move (rhs.second)) { }
+
+public:
+   explicit Twin () = default;
+   ~Twin () = default;
+
+public:
+   template <typename T, typename U> Twin &operator = (const Twin <T, U> &rhs) {
+      first = rhs.first;
+      second = rhs.second;
+
+      return *this;
+   }
+
+   template <typename T, typename U> Twin &operator = (Twin <T, U> &&rhs) {
+      first = cr::move (rhs.first);
+      second = cr::move (rhs.second);
+
+      return *this;
+   }
+
+   // specialized operators for binary heap, do not use as it's test only second element
+public:
+   friend bool operator < (const Twin &a, const Twin &b) {
+      return a.second < b.second;
+   }
+
+   friend bool operator <= (const Twin &a, const Twin &b) {
+      return a.second <= b.second;
+   }
+
+   friend bool operator > (const Twin &a, const Twin &b) {
+      return b.second < a.second;
+   }
+
+   friend bool operator >= (const Twin &a, const Twin &b) {
+      return b.second <= a.second;
+   }
+};
+
+// creating pairs
+template <typename A, typename B> constexpr Twin <A, B> makeTwin (A &&a, B &&b) {
+   return Twin <A, B> (cr::forward <A> (a), cr::forward <B> (b));
+}
+
+template <typename A, typename B> constexpr Twin <A, B> makeTwin (const A &a, const B &b) {
+   return Twin <A, B> (a, b);
+}
+
+CR_NAMESPACE_END

include/crlib/cr-ulz.h

@@ -9,62 +9,69 @@
 
 #pragma once
 
+#include <crlib/cr-array.h>
+
+CR_NAMESPACE_BEGIN
+
 // see https://github.com/encode84/ulz/
-class FastLZ final : NonCopyable {
+class ULZ final : DenyCopying {
 public:
-   static constexpr int EXCESS = 16;
-   static constexpr int WINDOW_BITS = 17;
-   static constexpr int WINDOW_SIZE = cr::bit (WINDOW_BITS);
-   static constexpr int WINDOW_MASK = WINDOW_SIZE - 1;
-
-   static constexpr int MIN_MATCH = 4;
-   static constexpr int MAX_CHAIN = cr::bit (5);
-
-   static constexpr int HASH_BITS = 19;
-   static constexpr int HASH_SIZE = cr::bit (HASH_BITS);
-   static constexpr int NIL = -1;
-   static constexpr int UNCOMPRESS_RESULT_FAILED = -1;
+   enum : int32 {
+      Excess = 16,
+      UncompressFailure = -1
+   };
 
 private:
-   int *m_hashTable;
-   int *m_prevTable;
+   enum : int32 {
+      WindowBits = 17,
+      WindowSize = cr::bit (WindowBits),
+      WindowMask = WindowSize - 1,
+
+      MinMatch = 4,
+      MaxChain = cr::bit (5),
+
+      HashBits = 19,
+      HashLength = cr::bit (HashBits),
+      EmptyHash = -1,
+   };
+
+
+private:
+   Array <int32, ReservePolicy::PlusOne> m_hashTable;
+   Array <int32, ReservePolicy::PlusOne> m_prevTable;
 
 public:
-   FastLZ (void) {
-      m_hashTable = new int[HASH_SIZE];
-      m_prevTable = new int[WINDOW_SIZE];
-   }
-
-   ~FastLZ (void) {
-      delete [] m_hashTable;
-      delete [] m_prevTable;
+   ULZ () {
+      m_hashTable.resize (HashLength);
+      m_prevTable.resize (WindowSize);
    }
+   ~ULZ () = default;
 
 public:
-   int compress (uint8 *in, int inLength, uint8 *out) {
-      for (int i = 0; i < HASH_SIZE; i++) {
-         m_hashTable[i] = NIL;
+   int32 compress (uint8 *in, int32 inputLength, uint8 *out) {
+      for (auto &htb : m_hashTable) {
+         htb = EmptyHash;
       }
       uint8 *op = out;
 
-      int anchor = 0;
-      int cur = 0;
+      int32 anchor = 0;
+      int32 cur = 0;
 
-      while (cur < inLength) {
-         const int maxMatch = inLength - cur;
+      while (cur < inputLength) {
+         const int32 maxMatch = inputLength - cur;
 
-         int bestLength = 0;
-         int dist = 0;
+         int32 bestLength = 0;
+         int32 dist = 0;
 
-         if (maxMatch >= MIN_MATCH) {
-            const int limit = cr::max (cur - WINDOW_SIZE, NIL);
+         if (maxMatch >= MinMatch) {
+            const int32 limit = cr::max <int32> (cur - WindowSize, EmptyHash);
 
-            int chainLength = MAX_CHAIN;
-            int lookup = m_hashTable[hash32 (&in[cur])];
+            int32 chainLength = MaxChain;
+            int32 lookup = m_hashTable[hash32 (&in[cur])];
 
             while (lookup > limit) {
                if (in[lookup + bestLength] == in[cur + bestLength] && load32 (&in[lookup]) == load32 (&in[cur])) {
-                  int length = MIN_MATCH;
+                  int32 length = MinMatch;
 
                   while (length < maxMatch && in[lookup + length] == in[cur + length]) {
                      length++;
@@ -83,31 +90,31 @@ public:
                if (--chainLength == 0) {
                   break;
                }
-               lookup = m_prevTable[lookup & WINDOW_MASK];
+               lookup = m_prevTable[lookup & WindowMask];
             }
          }
 
-         if (bestLength == MIN_MATCH && (cur - anchor) >= (7 + 128)) {
+         if (bestLength == MinMatch && (cur - anchor) >= (7 + 128)) {
             bestLength = 0;
          }
 
-         if (bestLength >= MIN_MATCH && bestLength < maxMatch && (cur - anchor) != 6) {
-            const int next = cur + 1;
-            const int targetLength = bestLength + 1;
-            const int limit = cr::max (next - WINDOW_SIZE, NIL);
+         if (bestLength >= MinMatch && bestLength < maxMatch && (cur - anchor) != 6) {
+            const int32 next = cur + 1;
+            const int32 target = bestLength + 1;
+            const int32 limit = cr::max <int32> (next - WindowSize, EmptyHash);
 
-            int chainLength = MAX_CHAIN;
-            int lookup = m_hashTable[hash32 (&in[next])];
+            int32 chainLength = MaxChain;
+            int32 lookup = m_hashTable[hash32 (&in[next])];
 
             while (lookup > limit) {
                if (in[lookup + bestLength] == in[next + bestLength] && load32 (&in[lookup]) == load32 (&in[next])) {
-                  int length = MIN_MATCH;
+                  int32 length = MinMatch;
 
-                  while (length < targetLength && in[lookup + length] == in[next + length]) {
+                  while (length < target && in[lookup + length] == in[next + length]) {
                      length++;
                   }
 
-                  if (length == targetLength) {
+                  if (length == target) {
                      bestLength = 0;
                      break;
                   }
@@ -116,16 +123,16 @@ public:
                if (--chainLength == 0) {
                   break;
                }
-               lookup = m_prevTable[lookup & WINDOW_MASK];
+               lookup = m_prevTable[lookup & WindowMask];
             }
          }
 
-         if (bestLength >= MIN_MATCH) {
-            const int length = bestLength - MIN_MATCH;
-            const int token = ((dist >> 12) & 16) + cr::min (length, 15);
+         if (bestLength >= MinMatch) {
+            const int32 length = bestLength - MinMatch;
+            const int32 token = ((dist >> 12) & 16) + cr::min <int32> (length, 15);
 
             if (anchor != cur) {
-               const int run = cur - anchor;
+               const int32 run = cur - anchor;
 
                if (run >= 7) {
                   add (op, (7 << 5) + token);
@@ -150,7 +157,7 @@ public:
             while (bestLength-- != 0) {
                const uint32 hash = hash32 (&in[cur]);
 
-               m_prevTable[cur & WINDOW_MASK] = m_hashTable[hash];
+               m_prevTable[cur & WindowMask] = m_hashTable[hash];
                m_hashTable[hash] = cur++;
             }
             anchor = cur;
@@ -158,13 +165,13 @@ public:
          else {
             const uint32 hash = hash32 (&in[cur]);
 
-            m_prevTable[cur & WINDOW_MASK] = m_hashTable[hash];
+            m_prevTable[cur & WindowMask] = m_hashTable[hash];
             m_hashTable[hash] = cur++;
          }
       }
 
       if (anchor != cur) {
-         const int run = cur - anchor;
+         const int32 run = cur - anchor;
 
          if (run >= 7) {
             add (op, 7 << 5);
@@ -179,25 +186,25 @@ public:
       return op - out;
    }
 
-   int uncompress (uint8 *in, int inLength, uint8 *out, int outLength) {
+   int32 uncompress (uint8 *in, int32 inputLength, uint8 *out, int32 outLength) {
       uint8 *op = out;
       uint8 *ip = in;
 
       const uint8 *opEnd = op + outLength;
-      const uint8 *ipEnd = ip + inLength;
+      const uint8 *ipEnd = ip + inputLength;
 
       while (ip < ipEnd) {
-         const int token = *ip++;
+         const int32 token = *ip++;
 
          if (token >= 32) {
-            int run = token >> 5;
+            int32 run = token >> 5;
 
             if (run == 7) {
                run += decode (ip);
             }
 
             if ((opEnd - op) < run || (ipEnd - ip) < run) {
-               return UNCOMPRESS_RESULT_FAILED;
+               return UncompressFailure;
             }
             copy (op, ip, run);
 
@@ -208,22 +215,22 @@ public:
                break;
             }
          }
-         int length = (token & 15) + MIN_MATCH;
+         int32 length = (token & 15) + MinMatch;
 
-         if (length == (15 + MIN_MATCH)) {
+         if (length == (15 + MinMatch)) {
             length += decode (ip);
          }
 
          if ((opEnd - op) < length) {
-            return UNCOMPRESS_RESULT_FAILED;
+            return UncompressFailure;
          }
-         const int dist = ((token & 16) << 12) + load16 (ip);
+         const int32 dist = ((token & 16) << 12) + load16 (ip);
          ip += 2;
 
          uint8 *cp = op - dist;
 
          if ((op - out) < dist) {
-            return UNCOMPRESS_RESULT_FAILED;
+            return UncompressFailure;
          }
 
          if (dist >= 8) {
@@ -232,7 +239,7 @@ public:
          }
          else
          {
-            for (int i = 0; i < 4; i++) {
+            for (int32 i = 0; i < 4; ++i) {
                *op++ = *cp++;
             }
 
@@ -241,7 +248,7 @@ public:
             }
          }
       }
-      return (ip == ipEnd) ? op - out : UNCOMPRESS_RESULT_FAILED;
+      return static_cast <int32> (ip == ipEnd) ? static_cast <int32> (op - out) : UncompressFailure;
    }
 
 private:
@@ -253,7 +260,7 @@ private:
       return *reinterpret_cast <const uint32 *> (ptr);
    }
 
-   inline void store16 (void *ptr, int val) {
+   inline void store16 (void *ptr, int32 val) {
       *reinterpret_cast <uint16 *> (ptr) = static_cast <uint16> (val);
    }
 
@@ -262,18 +269,18 @@ private:
    }
 
    inline uint32 hash32 (void *ptr) {
-      return (load32 (ptr) * 0x9E3779B9) >> (32 - HASH_BITS);
+      return (load32 (ptr) * 0x9E3779B9) >> (32 - HashBits);
    }
 
-   inline void copy (uint8 *dst, uint8 *src, int count) {
+   inline void copy (uint8 *dst, uint8 *src, int32 count) {
       copy64 (dst, src);
 
-      for (int i = 8; i < count; i += 8) {
+      for (int32 i = 8; i < count; i += 8) {
          copy64 (dst + i, src + i);
       }
    }
 
-   inline void add (uint8 *&dst, int val) {
+   inline void add (uint8 *&dst, int32 val) {
       *dst++ = static_cast <uint8> (val);
    }
 
@@ -290,7 +297,7 @@ private:
    inline uint32 decode (uint8 *&ptr) {
       uint32 val = 0;
 
-      for (int i = 0; i <= 21; i += 7) {
+      for (int32 i = 0; i <= 21; i += 7) {
          const uint32 cur = *ptr++;
          val += cur << i;
 
@@ -301,3 +308,7 @@ private:
       return val;
    }
 };
+
+
+
+CR_NAMESPACE_END

include/crlib/cr-uniqueptr.h

@@ -0,0 +1,99 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-basic.h>
+#include <crlib/cr-movable.h>
+
+CR_NAMESPACE_BEGIN
+
+// simple unique ptr
+template <typename T> class UniquePtr final : public DenyCopying {
+private:
+   T *m_ptr = nullptr;
+
+public:
+   UniquePtr () = default;
+   explicit UniquePtr (T *ptr) : m_ptr (ptr)
+   { }
+
+   UniquePtr (UniquePtr &&rhs) noexcept : m_ptr (rhs.m_ptr) {
+      rhs.m_ptr = nullptr;
+   }
+
+   ~UniquePtr () {
+      destroy ();
+   }
+
+public:
+   T *get () const {
+      return m_ptr;
+   }
+
+   T *release () {
+      auto ret = m_ptr;
+      m_ptr = nullptr;
+
+      return ret;
+   }
+
+   void reset (T *ptr = nullptr) {
+      destroy ();
+      m_ptr = ptr;
+   }
+
+private:
+   void destroy () {
+      if (m_ptr) {
+         alloc.destroy (m_ptr);
+         m_ptr = nullptr;
+      }
+   }
+
+public:
+   UniquePtr &operator = (UniquePtr &&rhs) noexcept {
+      if (this != &rhs) {
+         destroy ();
+
+         m_ptr = rhs.m_ptr;
+         rhs.m_ptr = nullptr;
+      }
+      return *this;
+   }
+
+   UniquePtr &operator = (decltype (nullptr)) {
+      destroy ();
+      return *this;
+   }
+
+   T &operator * () const {
+      return *m_ptr;
+   }
+
+   T *operator -> () const {
+      return m_ptr;
+   }
+
+   explicit operator bool () const {
+      return m_ptr != nullptr;
+   }
+};
+
+// create unique
+template <typename T, typename... Args> UniquePtr <T> createUnique (Args &&... args) {
+   return UniquePtr <T> (alloc.create <T> (cr::forward <Args> (args)...));
+}
+
+// create unique (base class)
+template <typename D, typename B, typename... Args> UniquePtr <B> createUniqueBase (Args &&... args) {
+   return UniquePtr <B> (alloc.create <D> (cr::forward <Args> (args)...));
+}
+
+CR_NAMESPACE_END

include/crlib/cr-vector.h

@@ -0,0 +1,232 @@
+//
+// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
+// Copyright (c) YaPB Development Team.
+//
+// This software is licensed under the BSD-style license.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://yapb.ru/license
+//
+
+#pragma once
+
+#include <crlib/cr-math.h>
+
+CR_NAMESPACE_BEGIN
+
+// 3dmath vector
+class Vector final {
+public:
+   float x = 0.0f, y = 0.0f, z = 0.0f;
+
+public:
+   Vector (const float scaler = 0.0f) : x (scaler), y (scaler), z (scaler)
+   { }
+
+   explicit Vector (const float _x, const float _y, const float _z) : x (_x), y (_y), z (_z)
+   { }
+
+   Vector (float *rhs) : x (rhs[0]), y (rhs[1]), z (rhs[2])
+   { }
+
+   Vector (const Vector &) = default;
+
+public:
+   operator float *() {
+      return &x;
+   }
+
+   operator const float * () const {
+      return &x;
+   }
+
+   Vector operator + (const Vector &rhs) const {
+      return Vector (x + rhs.x, y + rhs.y, z + rhs.z);
+   }
+
+   Vector operator - (const Vector &rhs) const {
+      return Vector (x - rhs.x, y - rhs.y, z - rhs.z);
+   }
+
+   Vector operator - () const {
+      return Vector (-x, -y, -z);
+   }
+
+   friend Vector operator * (const float scale, const Vector &rhs) {
+      return Vector (rhs.x * scale, rhs.y * scale, rhs.z * scale);
+   }
+
+   Vector operator * (const float scale) const {
+      return Vector (scale * x, scale * y, scale * z);
+   }
+
+   Vector operator / (const float div) const {
+      const float inv = 1 / div;
+      return Vector (inv * x, inv * y, inv * z);
+   }
+
+   // cross product
+   Vector operator ^ (const Vector &rhs) const {
+      return Vector (y * rhs.z - z * rhs.y, z * rhs.x - x * rhs.z, x * rhs.y - y * rhs.x);
+   }
+
+   // dot product
+   float operator | (const Vector &rhs) const {
+      return x * rhs.x + y * rhs.y + z * rhs.z;
+   }
+
+   const Vector &operator += (const Vector &rhs) {
+      x += rhs.x;
+      y += rhs.y;
+      z += rhs.z;
+
+      return *this;
+   }
+
+   const Vector &operator -= (const Vector &right) {
+      x -= right.x;
+      y -= right.y;
+      z -= right.z;
+
+      return *this;
+   }
+
+   const Vector &operator *= (float scale) {
+      x *= scale;
+      y *= scale;
+      z *= scale;
+
+      return *this;
+   }
+
+   const Vector &operator /= (float div) {
+      const float inv = 1 / div;
+
+      x *= inv;
+      y *= inv;
+      z *= inv;
+
+      return *this;
+   }
+
+   bool operator == (const Vector &rhs) const {
+      return cr::fequal (x, rhs.x) && cr::fequal (y, rhs.y) && cr::fequal (z, rhs.z);
+   }
+
+   bool operator != (const Vector &rhs) const {
+      return !cr::fequal (x, rhs.x) && !cr::fequal (y, rhs.y) && !cr::fequal (z, rhs.z);
+   }
+
+   Vector &operator = (const Vector &) = default;
+
+public:
+   float length () const {
+      return cr::sqrtf (lengthSq ());
+   }
+
+   float length2d () const {
+      return cr::sqrtf (x * x + y * y);
+   }
+
+   float lengthSq () const {
+      return x * x + y * y + z * z;
+   }
+
+   Vector get2d () const {
+      return Vector (x, y, 0.0f);
+   }
+
+   Vector normalize () const {
+      float len = length () + cr::kFloatCmpEpsilon;
+
+      if (cr::fzero (len)) {
+         return Vector (0.0f, 0.0f, 1.0f);
+      }
+      len = 1.0f / len;
+      return Vector (x * len, y * len, z * len);
+   }
+
+   Vector normalize2d () const {
+      float len = length2d () + cr::kFloatCmpEpsilon;
+
+      if (cr::fzero (len)) {
+         return Vector (0.0f, 1.0f, 0.0f);
+      }
+      len = 1.0f / len;
+      return Vector (x * len, y * len, 0.0f);
+   }
+
+   bool empty () const {
+      return cr::fzero (x) && cr::fzero (y) && cr::fzero (z);
+   }
+
+   static const Vector &null () {
+      static const auto s_zero = Vector (0.0f, 0.0f, 0.0f);
+      return s_zero;
+   }
+
+   void clear () {
+      x = y = z = 0.0f;
+   }
+
+   Vector clampAngles () {
+      x = cr::normalizeAngles (x);
+      y = cr::normalizeAngles (y);
+      z = 0.0f;
+
+      return *this;
+   }
+
+   float pitch () const {
+      if (cr::fzero (x) && cr::fzero (y)) {
+         return 0.0f;
+      }
+      return cr::degreesToRadians (cr::atan2f (z, length2d ()));
+   }
+
+   float yaw () const {
+      if (cr::fzero (x) && cr::fzero (y)) {
+         return 0.0f;
+      }
+      return cr::radiansToDegrees (cr:: atan2f (y, x));
+   }
+
+   Vector angles () const {
+      if (cr::fzero (x) && cr::fzero (y)) {
+         return Vector (z > 0.0f ? 90.0f : 270.0f, 0.0, 0.0f);
+      }
+      return Vector (cr::radiansToDegrees (cr::atan2f (z, length2d ())), cr::radiansToDegrees (cr::atan2f (y, x)), 0.0f);
+   }
+
+   void buildVectors (Vector *forward, Vector *right, Vector *upward) const {
+      enum { pitch, yaw, roll, unused, max };
+
+      float sines[max] = { 0.0f, 0.0f, 0.0f, 0.0f };
+      float cosines[max] = { 0.0f, 0.0f, 0.0f, 0.0f };
+
+      // compute the sine and cosine compontents
+      cr::sincosf (cr::degreesToRadians (x), cr::degreesToRadians (y), cr::degreesToRadians (z), sines, cosines);
+
+      if (forward) {
+         forward->x = cosines[pitch] * cosines[yaw];
+         forward->y = cosines[pitch] * sines[yaw];
+         forward->z = -sines[pitch];
+      }
+
+      if (right) {
+         right->x = -sines[roll] * sines[pitch] * cosines[yaw] + cosines[roll] * sines[yaw];
+         right->y = -sines[roll] * sines[pitch] * sines[yaw] - cosines[roll] * cosines[yaw];
+         right->z = -sines[roll] * cosines[pitch];
+      }
+
+      if (upward) {
+         upward->x = cosines[roll] * sines[pitch] * cosines[yaw] + sines[roll] * sines[yaw];
+         upward->y = cosines[roll] * sines[pitch] * sines[yaw] - sines[roll] * cosines[yaw];
+         upward->z = cosines[roll] * cosines[pitch];
+      }
+   }
+};
+
+// expose global null vector
+static auto &nullvec = Vector::null ();
+
+CR_NAMESPACE_END

include/engine.h

@@ -10,95 +10,91 @@
 #pragma once
 
 // line draw
-enum DrawLineType : int {
-   DRAW_SIMPLE,
-   DRAW_ARROW,
-   DRAW_NUM
-};
+CR_DECLARE_SCOPED_ENUM (DrawLine,
+   Simple,
+   Arrow,
+   Count
+);
 
 // trace ignore
-enum TraceIgnore : int {
-   TRACE_IGNORE_NONE = 0,
-   TRACE_IGNORE_GLASS = cr::bit (0),
-   TRACE_IGNORE_MONSTERS = cr::bit (1),
-   TRACE_IGNORE_EVERYTHING = TRACE_IGNORE_GLASS | TRACE_IGNORE_MONSTERS
-};
+CR_DECLARE_SCOPED_ENUM (TraceIgnore,
+   None = 0,
+   Glass = cr::bit (0),
+   Monsters = cr::bit (1),
+   Everything = Glass | Monsters
+);
 
 // variable type
-enum VarType : int {
-   VT_NORMAL = 0,
-   VT_READONLY,
-   VT_PASSWORD,
-   VT_NOSERVER,
-   VT_NOREGISTER
-};
+CR_DECLARE_SCOPED_ENUM (Var,
+   Normal = 0,
+   ReadOnly,
+   Password,
+   NoServer,
+   NoRegister
+);
 
 // netmessage functions
-enum NetMsgId : int {
-   NETMSG_UNDEFINED = -1,
-   NETMSG_VGUI = 1,
-   NETMSG_SHOWMENU = 2,
-   NETMSG_WEAPONLIST = 3,
-   NETMSG_CURWEAPON = 4,
-   NETMSG_AMMOX = 5,
-   NETMSG_AMMOPICKUP = 6,
-   NETMSG_DAMAGE = 7,
-   NETMSG_MONEY = 8,
-   NETMSG_STATUSICON = 9,
-   NETMSG_DEATH = 10,
-   NETMSG_SCREENFADE = 11,
-   NETMSG_HLTV = 12,
-   NETMSG_TEXTMSG = 13,
-   NETMSG_TEAMINFO = 14,
-   NETMSG_BARTIME = 15,
-   NETMSG_SENDAUDIO = 17,
-   NETMSG_SAYTEXT = 18,
-   NETMSG_BOTVOICE = 19,
-   NETMSG_NVGTOGGLE = 20,
-   NETMSG_FLASHBAT = 21,
-   NETMSG_FLASHLIGHT = 22,
-   NETMSG_ITEMSTATUS = 23,
-   NETMSG_NUM = 25
-};
+CR_DECLARE_SCOPED_ENUM (NetMsg,
+   None = -1,
+   VGUI = 1,
+   ShowMenu = 2,
+   WeaponList = 3,
+   CurWeapon = 4,
+   AmmoX = 5,
+   AmmoPickup = 6,
+   Damage = 7,
+   Money = 8,
+   StatusIcon = 9,
+   DeathMsg = 10,
+   ScreenFade = 11,
+   HLTV = 12,
+   TextMsg = 13,
+   TeamInfo = 14,
+   BarTime = 15,
+   SendAudio = 17,
+   SayText = 18,
+   BotVoice = 19,
+   NVGToggle = 20,
+   FlashBat = 21,
+   Fashlight = 22,
+   ItemStatus = 23,
+   Count = 25
+);
 
 // supported cs's
-enum GameFlags : int {
-   GAME_CSTRIKE16 = cr::bit (0), // counter-strike 1.6 and above
-   GAME_XASH_ENGINE = cr::bit (1), // counter-strike 1.6 under the xash engine (additional flag)
-   GAME_CZERO = cr::bit (2), // counter-strike: condition zero
-   GAME_LEGACY = cr::bit (3), // counter-strike 1.3-1.5 with/without steam
-   GAME_MOBILITY = cr::bit (4), // additional flag that bot is running on android (additional flag)
-   GAME_OFFICIAL_CSBOT = cr::bit (5), // additional flag that indicates official cs bots are in game
-   GAME_METAMOD = cr::bit (6), // game running under meta\mod
-   GAME_CSDM = cr::bit (7), // csdm mod currently in use
-   GAME_CSDM_FFA = cr::bit (8), // csdm mod with ffa mode
-   GAME_REGAMEDLL = cr::bit (9), // server dll is a regamedll
-   GAME_SUPPORT_SVC_PINGS = cr::bit (10), // on that game version we can fake bots pings
-   GAME_SUPPORT_BOT_VOICE = cr::bit (11) // on that game version we can use chatter
-};
-
+CR_DECLARE_SCOPED_ENUM (GameFlags,
+   Modern = cr::bit (0), // counter-strike 1.6 and above
+   Xash3D = cr::bit (1), // counter-strike 1.6 under the xash engine (additional flag)
+   ConditionZero = cr::bit (2), // counter-strike: condition zero
+   Legacy = cr::bit (3), // counter-strike 1.3-1.5 with/without steam
+   Mobility = cr::bit (4), // additional flag that bot is running on android (additional flag)
+   CSBot = cr::bit (5), // additional flag that indicates official cs bots are in game
+   Metamod = cr::bit (6), // game running under meta\mod
+   CSDM = cr::bit (7), // csdm mod currently in use
+   FreeForAll = cr::bit (8), // csdm mod with ffa mode
+   ReGameDLL = cr::bit (9), // server dll is a regamedll
+   HasFakePings = cr::bit (10), // on that game version we can fake bots pings
+   HasBotVoice = cr::bit (11) // on that game version we can use chatter
+);
 
 // defines map type
-enum MapFlags : int {
-   MAP_AS = cr::bit (0),
-   MAP_CS = cr::bit (1),
-   MAP_DE = cr::bit (2),
-   MAP_ES = cr::bit (3),
-   MAP_KA = cr::bit (4),
-   MAP_FY = cr::bit (5),
-
-   // additional flags
-   MAP_HAS_DOORS = cr::bit (6)
-};
+CR_DECLARE_SCOPED_ENUM (MapFlags,
+   Assassination = cr::bit (0),
+   HostageRescue = cr::bit (1),
+   Demolition = cr::bit (2),
+   Escape = cr::bit (3),
+   KnifeArena = cr::bit (4),
+   Fun = cr::bit (5),
+   HasDoors = cr::bit (10) // additional flags
+);
 
 // variable reg pair
 struct VarPair {
-   VarType type;
+   Var type;
    cvar_t reg;
+   bool missing;
+   const char *regval;
    class ConVar *self;
-
-   bool regMissing;
-   const char *regVal;
 };
 
 // network message block
@@ -106,7 +102,7 @@ struct MessageBlock {
    int bot;
    int state;
    int msg;
-   int regMsgs[NETMSG_NUM];
+   int regMsgs[NetMsg::Count];
 };
 
 // referentia vector info
@@ -117,14 +113,14 @@ struct RefVector {
 // entity prototype
 using EntityFunction = void (*) (entvars_t *);
 
-// compare language
-struct LangComprarer {
-   size_t operator () (const String &key) const {
-      char *str = const_cast <char *> (key.chars ());
-      size_t hash = key.length ();
+// language hasher
+struct HashLangString {
+   uint32 operator () (const String &key) const {
+      auto str = reinterpret_cast <uint8 *> (const_cast <char *> (key.chars ()));
+      uint32 hash = 0;
 
       while (*str++) {
-         if (!isalpha (*str)) {
+         if (!isalnum (*str)) {
             continue;
          }
          hash = ((*str << 5) + hash) + *str;
@@ -136,8 +132,8 @@ struct LangComprarer {
 // provides utility functions to not call original engine (less call-cost)
 class Game final : public Singleton <Game> {
 private:
-   int m_drawModels[DRAW_NUM];
-   int m_spawnCount[TEAM_UNASSIGNED];
+   int m_drawModels[DrawLine::Count];
+   int m_spawnCount[Team::Unassigned];
 
    // bot client command
    bool m_isBotCommand;
@@ -147,9 +143,9 @@ private:
    edict_t *m_localEntity;
 
    Array <VarPair> m_cvars;
-   HashMap <String, String, LangComprarer> m_language;
+   Dictionary <String, String, HashLangString> m_language;
 
-   Library m_gameLib;
+   SharedLibrary m_gameLib;
    MessageBlock m_msgBlock;
    bool m_precached;
 
@@ -161,33 +157,18 @@ public:
    RefVector vec;
 
 public:
-   Game (void);
-   ~Game (void);
+   Game ();
+   ~Game ();
 
 public:
    // precaches internal stuff
-   void precache (void);
+   void precache ();
 
    // initialize levels
    void levelInitialize (edict_t *ents, int max);
 
-   // prints data to servers console
-   void print (const char *fmt, ...);
-
-   // prints chat message to all players
-   void chatPrint (const char *fmt, ...);
-
-   // prints center message to all players
-   void centerPrint (const char *fmt, ...);
-
-   // prints center message to specified player
-   void centerPrint (edict_t *ent, const char *fmt, ...);
-
-   // prints message to client console
-   void clientPrint (edict_t *ent, const char *fmt, ...);
-
    // display world line
-   void drawLine (edict_t *ent, const Vector &start, const Vector &end, int width, int noise, int red, int green, int blue, int brightness, int speed, int life, DrawLineType type = DRAW_SIMPLE);
+   void drawLine (edict_t *ent, const Vector &start, const Vector &end, int width, int noise, const Color &color, int brightness, int speed, int life, DrawLine type = DrawLine::Simple);
 
    // test line
    void testLine (const Vector &start, const Vector &end, int ignoreFlags, edict_t *ignoreEntity, TraceResult *ptr);
@@ -199,34 +180,31 @@ public:
    float getWaveLen (const char *fileName);
 
    // we are on dedicated server ?
-   bool isDedicated (void);
+   bool isDedicated ();
 
    // get stripped down mod name
-   const char *getModName (void);
+   const char *getModName ();
 
    // get the valid mapname
-   const char *getMapName (void);
+   const char *getMapName ();
 
    // get the "any" entity origin
    Vector getAbsPos (edict_t *ent);
 
-   // send server command
-   void execCmd (const char *fmt, ...);
-
    // registers a server command
-   void registerCmd (const char *command, void func (void));
+   void registerCmd (const char *command, void func_ ());
 
    // play's sound to client
    void playSound (edict_t *ent, const char *sound);
 
    // sends bot command
-   void execBotCmd (edict_t *ent, const char *fmt, ...);
+   void prepareBotArgs (edict_t *ent, String str);
 
    // adds cvar to registration stack
-   void pushVarToRegStack (const char *variable, const char *value, VarType varType, bool regMissing, const char *regVal, ConVar *self);
+   void addNewCvar (const char *variable, const char *value, Var varType, bool regMissing, const char *regVal, class ConVar *self);
 
    // sends local registration stack for engine registration
-   void pushRegStackToEngine (bool gameVars = false);
+   void registerCvars (bool gameVars = false);
 
    // translates bot message into needed language
    const char *translate (const char *input);
@@ -235,19 +213,19 @@ public:
    void processMessages (void *ptr);
 
    // checks whether softwared rendering is enabled
-   bool isSoftwareRenderer (void);
+   bool isSoftwareRenderer ();
 
    // load the cs binary in non metamod mode
-   bool loadCSBinary (void);
+   bool loadCSBinary ();
 
    // do post-load stuff
-   bool postload (void);
+   bool postload ();
 
    // detects if csdm mod is in use
-   void detectDeathmatch (void);
+   void detectDeathmatch ();
 
    // executes stuff every 1 second
-   void slowFrame (void);
+   void slowFrame ();
 
    // begin message handler
    void beginMessage (edict_t *ent, int dest, int type);
@@ -255,26 +233,23 @@ public:
    // public inlines
 public:
    // get the current time on server
-   float timebase (void) const {
+   float timebase () const {
       return globals->time;
    }
 
    // get "maxplayers" limit on server
-   int maxClients (void) const  {
+   int maxClients () const  {
       return globals->maxClients;
    }
 
    // get the fakeclient command interface
-   bool isBotCmd (void) const  {
+   bool isBotCmd () const  {
       return m_isBotCommand;
    }
 
    // gets custom engine args for client command
-   const char *botArgs (void) const {
-      static String args;
-      args = String::join (m_botArgs, " ", m_botArgs[0] == "say" || m_botArgs[0] == "say_team" ? 1 : 0);
-
-      return args.chars ();
+   const char *botArgs () const {
+      return strings.format (String::join (m_botArgs, " ", m_botArgs[0] == "say" || m_botArgs[0] == "say_team" ? 1 : 0).chars ());
    }
 
    // gets custom engine argv for client command
@@ -286,7 +261,7 @@ public:
    }
 
    // gets custom engine argc for client command
-   int botArgc (void) const {
+   int botArgc () const {
       return m_botArgs.length ();
    }
 
@@ -295,18 +270,28 @@ public:
       return static_cast <edict_t *> (m_startEntity + index);
    };
 
+   // gets edict pointer out of entity index (player)
+   edict_t *playerOfIndex (const int index) {
+      return entityOfIndex (index) + 1;
+   };
+
    // gets edict index out of it's pointer
    int indexOfEntity (const edict_t *ent) {
       return static_cast <int> (ent - m_startEntity);
    };
 
+   // gets edict index of it's pointer (player)
+   int indexOfPlayer (const edict_t *ent) {
+      return indexOfEntity (ent) - 1;
+   }
+
    // verify entity isn't null
    bool isNullEntity (const edict_t *ent) {
       return !ent || !indexOfEntity (ent) || ent->free;
    }
 
    // get the wroldspawn entity
-   edict_t *getStartEntity (void) {
+   edict_t *getStartEntity () {
       return m_startEntity;
    }
 
@@ -320,12 +305,17 @@ public:
 
    // adds translation pair from config
    void addTranslation (const String &original, const String &translated) {
-      m_language.put (original, translated);
+      m_language.push (original, translated);
+   }
+
+   // clear the translation table
+   void clearTranslation () {
+      m_language.clear ();
    }
 
    // resets the message capture mechanism
-   void resetMessages (void) {
-      m_msgBlock.msg = NETMSG_UNDEFINED;
+   void resetMessages () {
+      m_msgBlock.msg = NetMsg::None;
       m_msgBlock.state = 0;
       m_msgBlock.bot = 0;
    };
@@ -358,12 +348,12 @@ public:
    }
 
    // sets the precache to uninitialize
-   void setUnprecached (void) {
+   void setUnprecached () {
       m_precached = false;
    }
 
    // gets the local entity (host edict)
-   edict_t *getLocalEntity (void) {
+   edict_t *getLocalEntity () {
       return m_localEntity;
    }
 
@@ -374,17 +364,12 @@ public:
 
    //  builds referential vector
    void makeVectors (const Vector &in) {
-      in.makeVectors (&vec.forward, &vec.right, &vec.up);
-   }
-
-   // what kind of map we're running ?
-   bool isMap (const int map) const {
-      return (m_mapFlags & map) == map;
+      in.buildVectors (&vec.forward, &vec.right, &vec.up);
    }
 
    // what kind of game engine / game dll / mod / tool we're running ?
    bool is (const int type) const {
-      return (m_gameFlags & type) == type;
+      return !!(m_gameFlags & type);
    }
 
    // adds game flag
@@ -394,43 +379,79 @@ public:
 
    // gets the map type
    bool mapIs (const int type) const {
-      return (m_mapFlags & type) == type;
+      return !!(m_mapFlags & type);
    }
 
    // get loaded gamelib
-   Library &getLib (void) {
+   const SharedLibrary &lib () {
       return m_gameLib;
    }
+
+   // helper to sending the client message
+   void sendClientMessage (bool console, edict_t *ent, const char *message);
+
+   // send server command
+   template <typename ...Args> void serverCommand (const char *fmt, Args ...args) {
+      engfuncs.pfnServerCommand (strncat (strings.format (fmt, cr::forward <Args> (args)...), "\n", StringBuffer::StaticBufferSize));
+   }
+
+   // send a bot command
+   template <typename ...Args> void botCommand (edict_t *ent, const char *fmt, Args ...args) {
+      prepareBotArgs (ent, strings.format (fmt, cr::forward <Args> (args)...));
+   }
+
+   // prints data to servers console
+   template <typename ...Args> void print (const char *fmt, Args ...args) {
+      engfuncs.pfnServerPrint (strncat (strings.format (translate (fmt), cr::forward <Args> (args)...), "\n", StringBuffer::StaticBufferSize));
+   }
+
+   // prints center message to specified player
+   template <typename ...Args> void clientPrint (edict_t *ent, const char *fmt, Args ...args) {
+      if (isNullEntity (ent)) {
+         print (fmt, cr::forward <Args> (args)...);
+         return;
+      }
+      sendClientMessage (true, ent, strncat (strings.format (translate (fmt), cr::forward <Args> (args)...), "\n", StringBuffer::StaticBufferSize));
+   }
+
+   // prints message to client console
+   template <typename ...Args> void centerPrint (edict_t *ent, const char *fmt, Args ...args) {
+      if (isNullEntity (ent)) {
+         print (fmt, cr::forward <Args> (args)...);
+         return;
+      }
+      sendClientMessage (false, ent, strncat (strings.format (translate (fmt), cr::forward <Args> (args)...), "\n", StringBuffer::StaticBufferSize));
+   }
 };
 
 // simplify access for console variables
 class ConVar {
 public:
-   cvar_t *m_eptr;
+   cvar_t *eptr;
 
 public:
-   ConVar (const char *name, const char *initval, VarType type = VT_NOSERVER, bool regMissing = false, const char *regVal = nullptr) : m_eptr (nullptr) {
-      Game::ref ().pushVarToRegStack (name, initval, type, regMissing, regVal, this);
+   ConVar (const char *name, const char *initval, Var type = Var::NoServer, bool regMissing = false, const char *regVal = nullptr) : eptr (nullptr) {
+      Game::get ().addNewCvar (name, initval, type, regMissing, regVal, this);
    }
 
-   bool boolean (void) const {
-      return m_eptr->value > 0.0f;
+   bool bool_ () const {
+      return eptr->value > 0.0f;
    }
 
-   int integer (void) const {
-      return static_cast <int> (m_eptr->value);
+   int int_ () const {
+      return static_cast <int> (eptr->value);
    }
 
-   float flt (void) const {
-      return m_eptr->value;
+   float float_ () const {
+      return eptr->value;
    }
 
-   const char *str (void) const {
-      return m_eptr->string;
+   const char *str () const {
+      return eptr->string;
    }
 
    void set (float val) {
-      engfuncs.pfnCVarSetFloat (m_eptr->name, val);
+      engfuncs.pfnCVarSetFloat (eptr->name, val);
    }
 
    void set (int val) {
@@ -438,7 +459,7 @@ public:
    }
 
    void set (const char *val) {
-      engfuncs.pfnCvar_DirectSet (m_eptr, const_cast <char *> (val));
+      engfuncs.pfnCvar_DirectSet (eptr, const_cast <char *> (val));
    }
 };
 
@@ -447,26 +468,26 @@ private:
    bool m_autoDestruct { false };
 
 public:
-   MessageWriter (void) = default;
+   MessageWriter () = default;
 
-   MessageWriter (int dest, int type, const Vector &pos = Vector::null (), edict_t *to = nullptr) {
+   MessageWriter (int dest, int type, const Vector &pos = nullvec, edict_t *to = nullptr) {
       start (dest, type, pos, to);
       m_autoDestruct = true;
    }
 
-   virtual ~MessageWriter (void) {
+   ~MessageWriter () {
       if (m_autoDestruct) {
          end ();
       }
    }
 
 public:
-   MessageWriter &start (int dest, int type, const Vector &pos = Vector::null (), edict_t *to = nullptr) {
+   MessageWriter &start (int dest, int type, const Vector &pos = nullvec, edict_t *to = nullptr) {
       engfuncs.pfnMessageBegin (dest, type, pos, to);
       return *this;
    }
 
-   void end (void) {
+   void end () {
       engfuncs.pfnMessageEnd ();
    }
 
@@ -475,6 +496,11 @@ public:
       return *this;
    }
 
+   MessageWriter &writeLong (int val) {
+      engfuncs.pfnWriteLong (val);
+      return *this;
+   }
+
    MessageWriter &writeChar (int val) {
       engfuncs.pfnWriteChar (val);
       return *this;
@@ -497,11 +523,11 @@ public:
 
 public:
    static inline uint16 fu16 (float value, float scale) {
-      return cr::clamp <uint16> (static_cast <uint16> (value * scale), 0, 0xffff);
+      return cr::clamp <uint16> (static_cast <uint16> (value * cr::bit (static_cast <short> (scale))), 0, 0xffff);
    }
 
    static inline short fs16 (float value, float scale) {
-      return cr::clamp <short> (static_cast <short> (value * scale), -32767, 32767);
+      return cr::clamp <short> (static_cast <short> (value * cr::bit (static_cast <short> (scale))), -32767, 32767);
    }
 };
 
@@ -511,28 +537,28 @@ private:
    int m_lightstyleValue[MAX_LIGHTSTYLEVALUE];
    bool m_doAnimation = false;
 
-   SimpleColor m_point;
+   Color m_point;
    model_t *m_worldModel = nullptr;
 
 public:
-   LightMeasure (void) {
+   LightMeasure () {
       initializeLightstyles ();
       m_point.reset ();
    }
 
 public:
-   void initializeLightstyles (void);
-   void animateLight (void);
+   void initializeLightstyles ();
+   void animateLight ();
    void updateLight (int style, char *value);
 
    float getLightLevel (const Vector &point);
-   float getSkyColor (void);
+   float getSkyColor ();
 
 private:
    template <typename S, typename M> bool recursiveLightPoint (const M *node, const Vector &start, const Vector &end);
 
 public:
-   void resetWorldModel (void) {
+   void resetWorldModel () {
       m_worldModel = nullptr;
    }
 

include/engine/eiface.h

@@ -85,6 +85,25 @@ typedef struct {
    int iHitgroup; // 0 == generic, non zero is specific body part
 } TraceResult;
 
+typedef struct usercmd_s {
+   short	lerp_msec;      // Interpolation time on client
+   byte	msec;           // Duration in ms of command
+   vec3_t	viewangles;     // Command view angles.
+
+// intended velocities
+   float	forwardmove;    // Forward velocity.
+   float	sidemove;       // Sideways velocity.
+   float	upmove;         // Upward velocity.
+   byte	lightlevel;     // Light level at spot where we are standing.
+   unsigned short  buttons;  // Attack buttons
+   byte    impulse;          // Impulse command issued.
+   byte	weaponselect;	// Current weapon id
+
+// Experimental player impact stuff.
+   int		impact_index;
+   vec3_t	impact_position;
+} usercmd_t;
+
 typedef uint32 CRC32_t;
 
 // Engine hands this to DLLs for functionality callbacks
@@ -111,7 +130,7 @@ typedef struct enginefuncs_s {
    edict_t *(*pfnEntitiesInPVS) (edict_t *pplayer);
    void (*pfnMakeVectors) (const float *rgflVector);
    void (*pfnAngleVectors) (const float *rgflVector, float *forward, float *right, float *up);
-   edict_t *(*pfnCreateEntity) (void);
+   edict_t *(*pfnCreateEntity) ();
    void (*pfnRemoveEntity) (edict_t *e);
    edict_t *(*pfnCreateNamedEntity) (int className);
    void (*pfnMakeStatic) (edict_t *ent);
@@ -130,14 +149,14 @@ typedef struct enginefuncs_s {
    void (*pfnTraceSphere) (const float *v1, const float *v2, int fNoMonsters, float radius, edict_t *pentToSkip, TraceResult *ptr);
    void (*pfnGetAimVector) (edict_t *ent, float speed, float *rgflReturn);
    void (*pfnServerCommand) (char *str);
-   void (*pfnServerExecute) (void);
+   void (*pfnServerExecute) ();
    void (*pfnClientCommand) (edict_t *ent, char const *szFmt, ...);
    void (*pfnParticleEffect) (const float *org, const float *dir, float color, float count);
    void (*pfnLightStyle) (int style, char *val);
    int (*pfnDecalIndex) (const char *name);
    int (*pfnPointContents) (const float *rgflVector);
    void (*pfnMessageBegin) (int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);
-   void (*pfnMessageEnd) (void);
+   void (*pfnMessageEnd) ();
    void (*pfnWriteByte) (int value);
    void (*pfnWriteChar) (int value);
    void (*pfnWriteShort) (int value);
@@ -151,7 +170,7 @@ typedef struct enginefuncs_s {
    const char *(*pfnCVarGetString) (const char *szVarName);
    void (*pfnCVarSetFloat) (const char *szVarName, float flValue);
    void (*pfnCVarSetString) (const char *szVarName, const char *szValue);
-   void (*pfnAlertMessage) (ALERT_TYPE atype, char *szFmt, ...);
+   void (*pfnAlertMessage) (ALERT_TYPE atype, const char *szFmt, ...);
    void (*pfnEngineFprintf) (void *pfile, char *szFmt, ...);
    void *(*pfnPvAllocEntPrivateData) (edict_t *ent, int32 cb);
    void *(*pfnPvEntPrivateData) (edict_t *ent);
@@ -172,9 +191,9 @@ typedef struct enginefuncs_s {
    const char *(*pfnNameForFunction) (uint32 function);
    void (*pfnClientPrintf) (edict_t *ent, PRINT_TYPE ptype, const char *szMsg); // JOHN: engine callbacks so game DLL can print messages to individual clients
    void (*pfnServerPrint) (const char *szMsg);
-   const char *(*pfnCmd_Args) (void); // these 3 added
+   const char *(*pfnCmd_Args) (); // these 3 added
    const char *(*pfnCmd_Argv) (int argc); // so game DLL can easily
-   int (*pfnCmd_Argc) (void); // access client 'cmd' strings
+   int (*pfnCmd_Argc) (); // access client 'cmd' strings
    void (*pfnGetAttachment) (const edict_t *ent, int iAttachment, float *rgflOrigin, float *rgflAngles);
    void (*pfnCRC32_Init) (CRC32_t *pulCRC);
    void (*pfnCRC32_ProcessBuffer) (CRC32_t *pulCRC, void *p, int len);
@@ -183,7 +202,7 @@ typedef struct enginefuncs_s {
    int32 (*pfnRandomLong) (int32 lLow, int32 lHigh);
    float (*pfnRandomFloat) (float flLow, float flHigh);
    void (*pfnSetView) (const edict_t *client, const edict_t *pViewent);
-   float (*pfnTime) (void);
+   float (*pfnTime) ();
    void (*pfnCrosshairAngle) (const edict_t *client, float pitch, float yaw);
    uint8 *(*pfnLoadFileForMe) (char const *szFilename, int *pLength);
    void (*pfnFreeFile) (void *buffer);
@@ -195,7 +214,7 @@ typedef struct enginefuncs_s {
    void (*pfnSetClientMaxspeed) (const edict_t *ent, float fNewMaxspeed);
    edict_t *(*pfnCreateFakeClient) (const char *netname); // returns nullptr if fake client can't be created
    void (*pfnRunPlayerMove) (edict_t *fakeclient, const float *viewangles, float forwardmove, float sidemove, float upmove, uint16 buttons, uint8 impulse, uint8 msec);
-   int (*pfnNumberOfEntities) (void);
+   int (*pfnNumberOfEntities) ();
    char *(*pfnGetInfoKeyBuffer) (edict_t *e); // passing in nullptr gets the serverinfo
    char *(*pfnInfoKeyValue) (char *infobuffer, char const *key);
    void (*pfnSetKeyValue) (char *infobuffer, char *key, char *value);
@@ -205,7 +224,7 @@ typedef struct enginefuncs_s {
    int (*pfnPrecacheGeneric) (char *s);
    int (*pfnGetPlayerUserId) (edict_t *e); // returns the server assigned userid for this player.  useful for logging frags, etc.  returns -1 if the edict couldn't be found in the list of clients
    void (*pfnBuildSoundMsg) (edict_t *entity, int channel, const char *sample, float volume, float attenuation, int fFlags, int pitch, int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);
-   int (*pfnIsDedicatedServer) (void); // is this a dedicated server?
+   int (*pfnIsDedicatedServer) (); // is this a dedicated server?
    cvar_t *(*pfnCVarGetPointer) (const char *szVarName);
    unsigned int (*pfnGetPlayerWONId) (edict_t *e); // returns the server assigned WONid for this player.  useful for logging frags, etc.  returns -1 if the edict couldn't be found in the list of clients
 
@@ -221,7 +240,7 @@ typedef struct enginefuncs_s {
    void (*pfnDeltaSetField) (struct delta_s *pFields, const char *fieldname);
    void (*pfnDeltaUnsetField) (struct delta_s *pFields, const char *fieldname);
    void (*pfnDeltaAddEncoder) (char *name, void (*conditionalencode) (struct delta_s *pFields, const uint8 *from, const uint8 *to));
-   int (*pfnGetCurrentPlayer) (void);
+   int (*pfnGetCurrentPlayer) ();
    int (*pfnCanSkipPlayer) (const edict_t *player);
    int (*pfnDeltaFindField) (struct delta_s *pFields, const char *fieldname);
    void (*pfnDeltaSetFieldByIndex) (struct delta_s *pFields, int fieldNumber);
@@ -231,7 +250,7 @@ typedef struct enginefuncs_s {
    void (*pfnCvar_DirectSet) (struct cvar_t *var, char *value);
    void (*pfnForceUnmodified) (FORCE_TYPE type, float *mins, float *maxs, const char *szFilename);
    void (*pfnGetPlayerStats) (const edict_t *client, int *ping, int *packet_loss);
-   void (*pfnAddServerCommand) (char *cmd_name, void (*function) (void));
+   void (*pfnAddServerCommand) (char *cmd_name, void (*function) ());
 
    int (*pfnVoice_GetClientListening) (int iReceiver, int iSender);
    int (*pfnVoice_SetClientListening) (int iReceiver, int iSender, int bListen);
@@ -244,18 +263,20 @@ typedef struct enginefuncs_s {
    int (*pfnGetFileSize) (char *szFilename);
    unsigned int (*pfnGetApproxWavePlayLen) (const char *filepath);
 
-   int (*pfnIsCareerMatch) (void);
+   int (*pfnIsCareerMatch) ();
    int (*pfnGetLocalizedStringLength) (const char *label);
    void (*pfnRegisterTutorMessageShown) (int mid);
    int (*pfnGetTimesTutorMessageShown) (int mid);
    void (*pfnProcessTutorMessageDecayBuffer) (int *buffer, int bufferLength);
    void (*pfnConstructTutorMessageDecayBuffer) (int *buffer, int bufferLength);
-   void (*pfnResetTutorMessageDecayData) (void);
+   void (*pfnResetTutorMessageDecayData) ();
 
    void (*pfnQueryClientCVarValue) (const edict_t *player, const char *cvarName);
    void (*pfnQueryClientCVarValue2) (const edict_t *player, const char *cvarName, int requestID);
    int (*pfnCheckParm) (const char *pchCmdLineToken, char **ppnext);
-
+#ifdef EIFACE_2019
+   edict_t *(*pfnPEntityOfEntIndexAllEntities) (int iEntIndex);
+#endif
 } enginefuncs_t;
 
 // Passed to pfnKeyValue
@@ -270,7 +291,7 @@ typedef struct customization_s customization_t;
 
 typedef struct {
    // Initialize/shutdown the game (one-time call after loading of game .dll )
-   void (*pfnGameInit) (void);
+   void (*pfnGameInit) ();
    int (*pfnSpawn) (edict_t *pent);
    void (*pfnThink) (edict_t *pent);
    void (*pfnUse) (edict_t *pentUsed, edict_t *pentOther);
@@ -286,7 +307,7 @@ typedef struct {
 
    void (*pfnSaveGlobalState) (SAVERESTOREDATA *);
    void (*pfnRestoreGlobalState) (SAVERESTOREDATA *);
-   void (*pfnResetGlobalState) (void);
+   void (*pfnResetGlobalState) ();
 
    int (*pfnClientConnect) (edict_t *ent, const char *pszName, const char *pszAddress, char szRejectReason[128]);
 
@@ -297,17 +318,17 @@ typedef struct {
    void (*pfnClientUserInfoChanged) (edict_t *ent, char *infobuffer);
 
    void (*pfnServerActivate) (edict_t *edictList, int edictCount, int clientMax);
-   void (*pfnServerDeactivate) (void);
+   void (*pfnServerDeactivate) ();
 
    void (*pfnPlayerPreThink) (edict_t *ent);
    void (*pfnPlayerPostThink) (edict_t *ent);
 
-   void (*pfnStartFrame) (void);
-   void (*pfnParmsNewLevel) (void);
-   void (*pfnParmsChangeLevel) (void);
+   void (*pfnStartFrame) ();
+   void (*pfnParmsNewLevel) ();
+   void (*pfnParmsChangeLevel) ();
 
    // Returns string describing current .dll.  E.g., TeamFotrress 2, Half-Life
-   const char *(*pfnGetGameDescription) (void);
+   const char *(*pfnGetGameDescription) ();
 
    // Notify dll about a player customization.
    void (*pfnPlayerCustomization) (edict_t *ent, struct customization_s *pCustom);
@@ -327,10 +348,10 @@ typedef struct {
    void (*pfnUpdateClientData) (const struct edict_s *ent, int sendweapons, struct clientdata_s *cd);
    int (*pfnAddToFullPack) (struct entity_state_s *state, int e, edict_t *ent, edict_t *host, int hostflags, int player, uint8 *pSet);
    void (*pfnCreateBaseline) (int player, int eindex, struct entity_state_s *baseline, struct edict_s *entity, int playermodelindex, float *player_mins, float *player_maxs);
-   void (*pfnRegisterEncoders) (void);
+   void (*pfnRegisterEncoders) ();
    int (*pfnGetWeaponData) (struct edict_s *player, struct weapon_data_s *info);
 
-   void (*pfnCmdStart) (const edict_t *player, const struct c *cmd, unsigned int random_seed);
+   void (*pfnCmdStart) (const edict_t *player, usercmd_t *cmd, unsigned int random_seed);
    void (*pfnCmdEnd) (const edict_t *player);
 
    // Return 1 if the packet is valid.  Set response_buffer_size if you want to send a response packet.  Incoming, it holds the max
@@ -341,7 +362,7 @@ typedef struct {
    int (*pfnGetHullBounds) (int hullnumber, float *mins, float *maxs);
 
    // Create baselines for certain "unplaced" items.
-   void (*pfnCreateInstancedBaselines) (void);
+   void (*pfnCreateInstancedBaselines) ();
 
    // One of the pfnForceUnmodified files failed the consistency check for the specified player
    // Return 0 to allow the client to continue, 1 to force immediate disconnection ( with an optional disconnect message of up to 256 characters )
@@ -351,7 +372,7 @@ typedef struct {
    //  the sv_unlag cvar.
    // Most games right now should return 0, until client-side weapon prediction code is written
    //  and tested for them.
-   int (*pfnAllowLagCompensation) (void);
+   int (*pfnAllowLagCompensation) ();
 } gamefuncs_t;
 
 // Current version.
@@ -361,7 +382,7 @@ typedef struct {
    // Called right before the object's memory is freed.
    // Calls its destructor.
    void (*pfnOnFreeEntPrivateData) (edict_t *pEnt);
-   void (*pfnGameShutdown) (void);
+   void (*pfnGameShutdown) ();
    int (*pfnShouldCollide) (edict_t *pentTouched, edict_t *pentOther);
 
    void (*pfnCvarValue) (const edict_t *pEnt, const char *value);

include/engine/extdll.h

@@ -54,9 +54,9 @@ typedef int func_t; //
 typedef int string_t; // from engine's pr_comp.h;
 typedef float vec_t; // needed before including progdefs.h
 
-#include "corelib.h"
+#include <crlib/cr-vector.h>
 
-typedef cr::classes::Vector vec3_t;
+typedef cr::Vector vec3_t;
 using namespace cr::types;
 
 #include "const.h"

include/engine/util.h

@@ -24,6 +24,7 @@ extern gamefuncs_t dllapi;
 #define STRING(offset) (const char *)(globals->pStringBase + (int)offset)
 
 // form fwgs-hlsdk
+#if defined (CR_ARCH_X64)
 static inline int MAKE_STRING (const char *val) {
    long long ptrdiff = val - STRING (0);
 
@@ -32,6 +33,9 @@ static inline int MAKE_STRING (const char *val) {
    }
    return static_cast <int> (ptrdiff);
 }
+#else 
+#define MAKE_STRING(str)	((uint64)(str) - (uint64)(STRING(0)))
+#endif
 
 #define ENGINE_STR(str) (const_cast <char *> (STRING (engfuncs.pfnAllocString (str))))
 
@@ -93,17 +97,17 @@ typedef struct hudtextparms_s {
 #define PUSH_BLOCK_ONLY_X 1
 #define PUSH_BLOCK_ONLY_Y 2
 
-#define VEC_HULL_MIN Vector (-16, -16, -36)
-#define VEC_HULL_MAX Vector (16, 16, 36)
-#define VEC_HUMAN_HULL_MIN Vector (-16, -16, 0)
-#define VEC_HUMAN_HULL_MAX Vector (16, 16, 72)
-#define VEC_HUMAN_HULL_DUCK Vector (16, 16, 36)
+#define VEC_HULL_MIN Vector(-16, -16, -36)
+#define VEC_HULL_MAX Vector(16, 16, 36)
+#define VEC_HUMAN_HULL_MIN Vector(-16, -16, 0)
+#define VEC_HUMAN_HULL_MAX Vector(16, 16, 72)
+#define VEC_HUMAN_HULL_DUCK Vector(16, 16, 36)
 
-#define VEC_VIEW Vector (0, 0, 28)
+#define VEC_VIEW Vector(0, 0, 28)
 
-#define VEC_DUCK_HULL_MIN Vector (-16, -16, -18)
-#define VEC_DUCK_HULL_MAX Vector (16, 16, 18)
-#define VEC_DUCK_VIEW Vector (0, 0, 12)
+#define VEC_DUCK_HULL_MIN Vector(-16, -16, -18)
+#define VEC_DUCK_HULL_MAX Vector(16, 16, 18)
+#define VEC_DUCK_VIEW Vector(0, 0, 12)
 
 #define SVC_TEMPENTITY 23
 #define SVC_CENTERPRINT 26

include/platform.h

@@ -1,97 +0,0 @@
-//
-// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
-// Copyright (c) YaPB Development Team.
-//
-// This software is licensed under the BSD-style license.
-// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
-//     https://yapb.ru/license
-//
-
-#pragma once
-
-// detects the build platform
-#if defined(__linux__)
-   #define PLATFORM_LINUX
-#elif defined(__APPLE__)
-   #define PLATFORM_OSX
-#elif defined(_WIN32)
-   #define PLATFORM_WIN32
-#endif
-
-// by default sse has everyone
-#define PLATFORM_HAS_SSE2
-
-// detects the compiler
-#if defined(_MSC_VER)
-   #define CXX_MSVC
-#elif defined(__clang__)
-   #define CXX_CLANG
-#endif
-
-// configure export macros
-#if defined(PLATFORM_WIN32)
-   #define SHARED_LIBRARAY_EXPORT extern "C" __declspec (dllexport)
-#elif defined(PLATFORM_LINUX) || defined(PLATFORM_OSX)
-   #define SHARED_LIBRARAY_EXPORT extern "C" __attribute__ ((visibility ("default")))
-#else
-   #error "Can't configure export macros. Compiler unrecognized."
-#endif
-
-// operating system specific macros, functions and typedefs
-#ifdef PLATFORM_WIN32
-
-   #include <direct.h>
-   #include <string.h>
-
-   #define STD_CALL __stdcall
-
-   #define DLL_ENTRYPOINT int STD_CALL DllMain (HINSTANCE, DWORD dwReason, LPVOID)
-   #define DLL_DETACHING (dwReason == DLL_PROCESS_DETACH)
-   #define DLL_RETENTRY return TRUE
-
-   #if defined(CXX_MSVC) && !defined (_M_X64)
-      #define DLL_GIVEFNPTRSTODLL extern "C" void STD_CALL
-   #elif defined(CXX_CLANG) || defined (_M_X64)
-      #define DLL_GIVEFNPTRSTODLL SHARED_LIBRARAY_EXPORT void STD_CALL
-   #endif
-
-   // specify export parameter
-   #if defined(CXX_MSVC) || defined (CXX_CLANG)
-      #if !defined (_M_X64)
-         #pragma comment(linker, "/EXPORT:GiveFnptrsToDll=_GiveFnptrsToDll@8,@1")
-      #endif
-      #pragma comment(linker, "/SECTION:.data,RW")
-   #endif
-
-#elif defined(PLATFORM_LINUX) || defined(PLATFORM_OSX)
-   #include <dlfcn.h>
-   #include <errno.h>
-   #include <fcntl.h>
-   #include <sys/stat.h>
-   #include <unistd.h>
-
-   #include <arpa/inet.h>
-   #include <netdb.h>
-   #include <netinet/in.h>
-   #include <sys/socket.h>
-   #include <sys/types.h>
-
-   #define DLL_ENTRYPOINT __attribute__ ((destructor)) void _fini (void)
-   #define DLL_DETACHING TRUE
-   #define DLL_RETENTRY return
-   #define DLL_GIVEFNPTRSTODLL extern "C" void __attribute__ ((visibility ("default")))
-
-   #define STD_CALL /* */
-
-   // android is a linux with a special cases
-   // @todo: sse should be working ok on x86 android?
-   #if defined(__ANDROID__)
-      #define PLATFORM_ANDROID
-      
-      #if defined (__arm__)  || defined (__aarch64__ )
-         #undef PLATFORM_HAS_SSE2
-      #endif
-   #endif
-#else
-   #error "Platform unrecognized."
-#endif

include/resource.h

@@ -12,7 +12,7 @@
 // general product information
 #define PRODUCT_NAME "Yet Another POD-Bot"
 #define PRODUCT_SHORT_NAME "YaPB"
-#define PRODUCT_VERSION "2.91"
+#define PRODUCT_VERSION "2.92"
 #define PRODUCT_AUTHOR "YaPB Dev Team"
 #define PRODUCT_URL "https://yapb.ru/"
 #define PRODUCT_EMAIL "d@entix.io"
@@ -26,7 +26,7 @@
 #define PRODUCT_GIT_HASH "unspecified_hash"
 #define PRODUCT_GIT_COMMIT_AUTHOR "unspecified_author"
 #define PRODUCT_GIT_COMMIT_ID 0000
-#define PRODUCT_VERSION_DWORD_INTERNAL 2, 91
+#define PRODUCT_VERSION_DWORD_INTERNAL 2, 92
 #define PRODUCT_VERSION_DWORD PRODUCT_VERSION_DWORD_INTERNAL, PRODUCT_GIT_COMMIT_ID
 #define PRODUCT_SUPPORT_VERSION "Beta 6.6 - Condition Zero"
 #define PRODUCT_COMMENTS "http://github.com/jeefo/yapb/"

project/makefile

@@ -11,18 +11,19 @@ PROJECT = yapb
 SOURCES = ../source
 OBJECTS = $(wildcard $(SOURCES)/*.cpp)
 
-COMPILER_FLAGS = -mtune=generic -std=c++11 -m32 -Wall -Wextra -Werror -fno-exceptions -fno-rtti -DPOSIX
-LINKER_FLAGS = -m32
+COMPILER_FLAGS = -std=c++11 -m32 -Wall -Wextra -Werror -fno-exceptions -fno-rtti
+LINKER_FLAGS = -m32 -ldl
 
 ifeq "$(DEBUG)" "true"
-	COMPILER_FLAGS += -D_DEBUG -DDEBUG -g3
+	COMPILER_FLAGS += -g3 -DCR_DEBUG
 	BINARY_DIR = debug
 else
-	COMPILER_FLAGS += -DNDEBUG -pipe -O3 -msse2 -funroll-loops -fomit-frame-pointer -fno-stack-protector -fvisibility=hidden -fvisibility-inlines-hidden -nostdinc++
+	COMPILER_FLAGS += -pipe -O3 -march=core2 -msse2 -mfpmath=sse -ffast-math -fno-builtin -fno-threadsafe-statics -funroll-loops -fomit-frame-pointer -fno-stack-protector -fvisibility=hidden -fvisibility-inlines-hidden
 	BINARY_DIR = release
+	LINKER_FLAGS += -static-libgcc
 endif
 
-INCLUDE = -I../include -I../include/engine
+INCLUDE = -I../include
 COMPILER = $(CC)
 
 ifeq "$(shell uname -s)" "Darwin"
@@ -31,11 +32,10 @@ endif
 
 ifeq "$(OSX)" "true"
 	LIBRARY_EXT = dylib
-	COMPILER_FLAGS += -DOSX -D_OSX -mmacosx-version-min=10.9
+	COMPILER_FLAGS += -mmacosx-version-min=10.9
 	LINKER_FLAGS += -dynamiclib -lstdc++ -mmacosx-version-min=10.9 -arch i386
 else
 	LIBRARY_EXT = so
-	COMPILER_FLAGS += -DLINUX -D_LINUX
 	LINKER_FLAGS += -shared
 endif
 
@@ -45,16 +45,26 @@ ifeq ($(findstring clang,$(COMPILER)),clang)
 	ifeq "$(OSX)" "false"
 		LINKER_FLAGS += -lgcc_eh
 	else
-		LINKER_FLAGS += -nostdlib++ -Wunused-command-line-argument
+		ifeq "$(DEBUG)" "true"
+			LINKER_FLAGS += -lstdc++
+		else
+			LINKER_FLAGS += -nostdlib++ -Wunused-command-line-argument -fuse-ld=lld -Wl,-z,notext --no-undefined
+		endif
 	endif
 else ifeq ($(findstring gcc,$(COMPILER)),gcc)
 	ifneq "$(OSX)" "false"
-		LINKER_FLAGS += -static-libgcc
-		COMPILER_FLAGS += -funroll-all-loops -Wno-implicit-fallthrough
+		ifneq "$(DEBUG)" "true"
+			LINKER_FLAGS += -Wl,--no-undefined -flto=thin
+			COMPILER_FLAGS += -funroll-all-loops -flto=thin
+		endif
 	endif
 else ifeq ($(findstring icc,$(COMPILER)),icc)
-	COMPILER_FLAGS += -funroll-all-loops -no-prec-div -no-inline-min-size -no-inline-max-size -wd11076 -wd11074
-	LINKER_FLAGS += -cxxlib-nostd -static-intel -no-intel-extensions
+	LINKER_FLAGS += -static-intel -no-intel-extensions
+
+	ifneq "$(DEBUG)" "true"
+		COMPILER_FLAGS += -funroll-all-loops -ipo -wd11076 -wd11074
+		LINKER_FLAGS += -cxxlib-nostd -Wl,--no-undefined,-z,notext,--gc-sections -ipo 
+	endif
 endif
 
 OBJECTS_BIN := $(OBJECTS:%.cpp=$(BINARY_DIR)/%.o)
@@ -78,6 +88,7 @@ debug:
 all:
 	$(MAKE) compile DEBUG=true
 	$(MAKE) compile DEBUG=false
+
 clean:
 	rm -rf release/*.o
 	rm -rf release/$(BINARY_OUTPUT)

project/yapb.vcxproj

@@ -11,10 +11,29 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="..\include\compress.h" />
+    <ClInclude Include="..\include\crlib\cr-alloc.h" />
+    <ClInclude Include="..\include\crlib\cr-array.h" />
+    <ClInclude Include="..\include\crlib\cr-basic.h" />
+    <ClInclude Include="..\include\crlib\cr-binheap.h" />
+    <ClInclude Include="..\include\crlib\cr-color.h" />
+    <ClInclude Include="..\include\crlib\cr-complete.h" />
+    <ClInclude Include="..\include\crlib\cr-dict.h" />
+    <ClInclude Include="..\include\crlib\cr-files.h" />
+    <ClInclude Include="..\include\crlib\cr-http.h" />
+    <ClInclude Include="..\include\crlib\cr-lambda.h" />
+    <ClInclude Include="..\include\crlib\cr-library.h" />
+    <ClInclude Include="..\include\crlib\cr-logger.h" />
+    <ClInclude Include="..\include\crlib\cr-math.h" />
+    <ClInclude Include="..\include\crlib\cr-movable.h" />
+    <ClInclude Include="..\include\crlib\cr-platform.h" />
+    <ClInclude Include="..\include\crlib\cr-random.h" />
+    <ClInclude Include="..\include\crlib\cr-string.h" />
+    <ClInclude Include="..\include\crlib\cr-twin.h" />
+    <ClInclude Include="..\include\crlib\cr-ulz.h" />
+    <ClInclude Include="..\include\crlib\cr-uniqueptr.h" />
+    <ClInclude Include="..\include\crlib\cr-vector.h" />
     <ClInclude Include="..\include\engine\model.h" />
     <ClInclude Include="..\include\yapb.h" />
-    <ClInclude Include="..\include\corelib.h" />
     <ClInclude Include="..\include\engine.h" />
     <ClInclude Include="..\include\engine\const.h" />
     <ClInclude Include="..\include\engine\eiface.h" />
@@ -22,7 +41,6 @@
     <ClInclude Include="..\include\engine\meta_api.h" />
     <ClInclude Include="..\include\engine\progdefs.h" />
     <ClInclude Include="..\include\engine\util.h" />
-    <ClInclude Include="..\include\platform.h" />
     <ClInclude Include="..\include\resource.h" />
   </ItemGroup>
   <ItemGroup>
@@ -35,12 +53,13 @@
     <ClCompile Include="..\source\interface.cpp" />
     <ClCompile Include="..\source\navigate.cpp" />
     <ClCompile Include="..\source\support.cpp" />
-    <ClCompile Include="..\source\waypoint.cpp" />
+    <ClCompile Include="..\source\graph.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="yapb.rc" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="..\source\Android.mk" />
     <None Include="makefile" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
@@ -108,7 +127,7 @@
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>..\include\engine;..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>WIN32;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader />
@@ -181,7 +200,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
-      <AdditionalIncludeDirectories>..\mmgr;..\include\engine;..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>NDEBUG;WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>false</ExceptionHandling>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>

project/yapb.vcxproj.filters

@@ -13,14 +13,11 @@
     <Filter Include="include\engine">
       <UniqueIdentifier>{f98ff5ec-055a-46cd-b5b1-462ef4c1c73e}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\crlib">
+      <UniqueIdentifier>{76a583d1-8f55-451b-8516-2f7cce4d1875}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="..\include\compress.h">
-      <Filter>include</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\corelib.h">
-      <Filter>include</Filter>
-    </ClInclude>
     <ClInclude Include="..\include\resource.h">
       <Filter>include</Filter>
     </ClInclude>
@@ -42,9 +39,6 @@
     <ClInclude Include="..\include\engine\util.h">
       <Filter>include\engine</Filter>
     </ClInclude>
-    <ClInclude Include="..\include\platform.h">
-      <Filter>include</Filter>
-    </ClInclude>
     <ClInclude Include="..\include\engine.h">
       <Filter>include</Filter>
     </ClInclude>
@@ -54,6 +48,69 @@
     <ClInclude Include="..\include\engine\model.h">
       <Filter>include\engine</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-alloc.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-array.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-basic.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-binheap.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-complete.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-dict.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-files.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-http.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-lambda.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-library.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-logger.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-math.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-movable.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-platform.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-random.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-string.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-twin.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-ulz.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-uniqueptr.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-vector.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
+    <ClInclude Include="..\include\crlib\cr-color.h">
+      <Filter>include\crlib</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\source\chatlib.cpp">
@@ -68,9 +125,6 @@
     <ClCompile Include="..\source\support.cpp">
       <Filter>source</Filter>
     </ClCompile>
-    <ClCompile Include="..\source\waypoint.cpp">
-      <Filter>source</Filter>
-    </ClCompile>
     <ClCompile Include="..\source\manager.cpp">
       <Filter>source</Filter>
     </ClCompile>
@@ -80,10 +134,13 @@
     <ClCompile Include="..\source\engine.cpp">
       <Filter>source</Filter>
     </ClCompile>
+    <ClCompile Include="..\source\control.cpp">
+      <Filter>source</Filter>
+    </ClCompile>
     <ClCompile Include="..\source\basecode.cpp">
       <Filter>source</Filter>
     </ClCompile>
-    <ClCompile Include="..\source\control.cpp">
+    <ClCompile Include="..\source\graph.cpp">
       <Filter>source</Filter>
     </ClCompile>
   </ItemGroup>
@@ -96,5 +153,8 @@
     <None Include="makefile">
       <Filter>project</Filter>
     </None>
+    <None Include="..\source\Android.mk">
+      <Filter>project</Filter>
+    </None>
   </ItemGroup>
 </Project>

source/Android.mk

@@ -1,7 +1,6 @@
 LOCAL_PATH := $(call my-dir)
 
 include $(CLEAR_VARS)
-
 include $(XASH3D_CONFIG)
 
 LOCAL_MODULE := yapb
@@ -25,9 +24,10 @@ LOCAL_SRC_FILES := \
 	interface.cpp \
 	navigate.cpp \
 	support.cpp \
-	waypoint.cpp \
+	graph.cpp \
 
-LOCAL_CFLAGS += -O2 -std=c++11 -DLINUX -D_LINUX -DPOSIX -pipe -fno-strict-aliasing -Wall -Werror
+LOCAL_CFLAGS += -O3 -std=c++11 -DLINUX -D_LINUX -DPOSIX -pipe -fno-strict-aliasing -Wall -Werror -Wno-array-bounds
 LOCAL_CPPFLAGS += -fno-exceptions -fno-rtti
+LOCAL_LDLIBS := -llog
 
 include $(BUILD_SHARED_LIBRARY)

source/chatlib.cpp

@@ -19,11 +19,11 @@ void BotUtils::stripTags (String &line) {
    for (const auto &tag : m_tags) {
       const size_t start = line.find (tag.first, 0);
 
-      if (start != String::INVALID_INDEX) {
+      if (start != String::kInvalidIndex) {
          const size_t end = line.find (tag.second, start);
          const size_t diff = end - start;
 
-         if (end != String::INVALID_INDEX && end > start && diff < 32 && diff > 4) {
+         if (end != String::kInvalidIndex && end > start && diff < 32 && diff > 4) {
             line.erase (start, diff + tag.second.length ());
             break;
          }
@@ -37,7 +37,7 @@ void BotUtils::humanizePlayerName (String &playerName) {
    }
 
    // drop tag marks, 80 percent of time
-   if (rng.chance (80)) {
+   if (rg.chance (80)) {
       stripTags (playerName);
    }
    else {
@@ -45,14 +45,14 @@ void BotUtils::humanizePlayerName (String &playerName) {
    }
 
    // sometimes switch name to lower characters, only valid for the english languge
-   if (rng.chance (15) && strcmp (yb_language.str (), "en") == 0) {
+   if (rg.chance (8) && strcmp (yb_language.str (), "en") == 0) {
       playerName.lowercase ();
    }
 }
 
 void BotUtils::addChatErrors (String &line) {
    // sometimes switch name to lower characters, only valid for the english languge
-   if (rng.chance (15) && strcmp (yb_language.str (), "en") == 0) {
+   if (rg.chance (8) && strcmp (yb_language.str (), "en") == 0) {
       line.lowercase ();
    }
    auto length = line.length ();
@@ -61,13 +61,13 @@ void BotUtils::addChatErrors (String &line) {
       size_t percentile = line.length () / 2;
 
       // "length / 2" percent of time drop a character
-      if (rng.chance (percentile)) {
-         line.erase (rng.getInt (length / 8, length - length / 8));
+      if (rg.chance (percentile)) {
+         line.erase (rg.int_ (length / 8, length - length / 8), 1);
       }
 
       // "length" / 4 precent of time swap character
-      if (rng.chance (percentile / 2)) {
-         size_t pos = rng.getInt (length / 8, 3 * length / 8); // choose random position in string
+      if (rg.chance (percentile / 2)) {
+         size_t pos = rg.int_ (length / 8, 3 * length / 8); // choose random position in string
          cr::swap (line[pos], line[pos + 1]);
       }
    }
@@ -76,7 +76,7 @@ void BotUtils::addChatErrors (String &line) {
 bool BotUtils::checkKeywords (const String &line, String &reply) {
    // this function checks is string contain keyword, and generates reply to it
 
-   if (!yb_chat.boolean () || line.empty ()) {
+   if (!yb_chat.bool_ () || line.empty ()) {
       return false;
    }
 
@@ -84,7 +84,7 @@ bool BotUtils::checkKeywords (const String &line, String &reply) {
       for (const auto &keyword : factory.keywords) {
 
          // check is keyword has occurred in message
-         if (line.find (keyword, 0) != String::INVALID_INDEX) {
+         if (line.find (keyword) != String::kInvalidIndex) {
             StringArray &usedReplies = factory.usedReplies;
 
             if (usedReplies.length () >= factory.replies.length () / 4) {
@@ -113,11 +113,9 @@ bool BotUtils::checkKeywords (const String &line, String &reply) {
          }
       }
    }
-   auto &chat = conf.getChat ();
-
    // didn't find a keyword? 70% of the time use some universal reply
-   if (rng.chance (70) && !chat[CHAT_NOKW].empty ()) {
-      reply.assign (chat[CHAT_NOKW].random ());
+   if (rg.chance (70) && conf.hasChatBank (Chat::NoKeyword)) {
+      reply.assign (conf.pickRandomFromChatBank (Chat::NoKeyword));
       return true;
    }
    return false;
@@ -126,47 +124,49 @@ bool BotUtils::checkKeywords (const String &line, String &reply) {
 void Bot::prepareChatMessage (const String &message) {
    // this function parses messages from the botchat, replaces keywords and converts names into a more human style
 
-   if (!yb_chat.boolean () || message.empty ()) {
+   if (!yb_chat.bool_ () || message.empty ()) {
       return;
    }
-   m_chatBuffer = message;
+   m_chatBuffer.assign (message.chars ());
 
    // must be called before return or on the end
-   auto finishPreparation = [&] (void) {
+   auto finishPreparation = [&] () {
       if (!m_chatBuffer.empty ()) {
          util.addChatErrors (m_chatBuffer);
       }
    };
 
    // need to check if we're have special symbols
-   size_t pos = message.find ('%', 0);
+   size_t pos = message.find ('%');
 
    // nothing found, bail out
-   if (pos == String::INVALID_INDEX || pos >= message.length ()) {
+   if (pos == String::kInvalidIndex || pos >= message.length ()) {
       finishPreparation ();
       return;
    }
 
    // get the humanized name out of client
-   auto humanizedName = [] (const Client &client) -> String {
-      if (!util.isPlayer (client.ent)) {
-         return cr::move (String ("unknown"));
+   auto humanizedName = [] (int index) -> String {
+      auto ent = game.playerOfIndex (index);
+
+      if (!util.isPlayer (ent)) {
+         return "unknown";
       }
-      String playerName = STRING (client.ent->v.netname);
+      String playerName = STRING (ent->v.netname);
       util.humanizePlayerName (playerName);
 
-      return cr::move (playerName);
+      return playerName;
    };
 
    // find highfrag player
-   auto getHighfragPlayer = [&] (void) -> String {
+   auto getHighfragPlayer = [&] () -> String {
       int highestFrags = -1;
       int index = 0;
 
-      for (int i = 0; i < game.maxClients (); i++) {
+      for (int i = 0; i < game.maxClients (); ++i) {
          const Client &client = util.getClient (i);
 
-         if (!(client.flags & CF_USED) || client.ent == ent ()) {
+         if (!(client.flags & ClientFlags::Used) || client.ent == ent ()) {
             continue;
          }
          int frags = static_cast <int> (client.ent->v.frags);
@@ -176,147 +176,116 @@ void Bot::prepareChatMessage (const String &message) {
             index = i;
          }
       }
-      return humanizedName (util.getClient (index));
+      return humanizedName (index);
    };
 
    // get roundtime
-   auto getRoundTime = [] (void) -> String {
+   auto getRoundTime = [] () -> String {
       auto roundTimeSecs = static_cast <int> (bots.getRoundEndTime () - game.timebase ());
       
       String roundTime;
-      roundTime.assign ("%02d:%02d", cr::clamp (roundTimeSecs / 60, 0, 59), cr::clamp (cr::abs (roundTimeSecs % 60), 0, 59));
+      roundTime.assignf ("%02d:%02d", cr::clamp (roundTimeSecs / 60, 0, 59), cr::clamp (cr::abs (roundTimeSecs % 60), 0, 59));
 
-      return cr::move (roundTime);
+      return roundTime;
    };
 
    // get bot's victim
-   auto getMyVictim = [&] (void) -> String {
-      for (const Client &client : util.getClients ()) {
-         if (client.ent == m_lastVictim) {
-            return humanizedName (client);
-         }
-      }
-      return cr::move (String ("unknown"));
+   auto getMyVictim = [&] () -> String {;
+      return humanizedName (game.indexOfPlayer (m_lastVictim));
    };
 
    // get the game name alias
-   auto getGameName = [] (void) -> String {
+   auto getGameName = [] () -> String {
       String gameName;
 
-      if (game.is (GAME_CZERO)) {
-         if (rng.chance (30)) {
+      if (game.is (GameFlags::ConditionZero)) {
+         if (rg.chance (30)) {
             gameName = "CZ";
          }
          else {
             gameName = "Condition Zero";
          }
       }
-      else if (game.is (GAME_CSTRIKE16) || game.is (GAME_LEGACY)) {
-         if (rng.chance (30)) {
+      else if (game.is (GameFlags::Modern) || game.is (GameFlags::Legacy)) {
+         if (rg.chance (30)) {
             gameName = "CS";
          }
          else {
             gameName = "Counter-Strike";
          }
       }
-      return cr::move (gameName);
+      return gameName;
    };
 
    // get enemy or teammate alive
    auto getPlayerAlive = [&] (bool needsEnemy) -> String {
-      int index;
-
-      for (index = 0; index < game.maxClients (); index++) {
-         const Client &client = util.getClient (index);
-
-         if (!(client.flags & CF_USED) || !(client.flags & CF_ALIVE) || client.ent == ent ()) {
+      for (const auto &client : util.getClients ()) {
+         if (!(client.flags & ClientFlags::Used) || !(client.flags & ClientFlags::Alive) || client.ent == ent ()) {
             continue;
          }
 
-         if ((needsEnemy && m_team == client.team) || (!needsEnemy && m_team != client.team)) {
-            continue;
+         if (needsEnemy && m_team != client.team) {
+            return humanizedName (game.indexOfPlayer (client.ent));
+         }
+         else if (!needsEnemy && m_team == client.team) {
+            return humanizedName (game.indexOfPlayer (client.ent));
          }
-         break;
       }
+      return "UnknowPA";
+   };
+   size_t replaceCounter = 0;
 
-      if (index < game.maxClients ()) {
-         if (!needsEnemy && util.isPlayer (pev->dmg_inflictor) && m_team == game.getTeam (pev->dmg_inflictor)) {
-            return humanizedName (util.getClient (game.indexOfEntity (pev->dmg_inflictor) - 1));
+   while (replaceCounter < 6 && (pos = m_chatBuffer.find ('%')) != String::kInvalidIndex) {
+      // found one, let's do replace
+      switch (message[pos + 1]) {
+
+         // the highest frag player
+      case 'f':
+         m_chatBuffer.replace ("%f", getHighfragPlayer ());
+         break;
+
+         // current map name
+      case 'm':
+         m_chatBuffer.replace ("%m", game.getMapName ());
+         break;
+
+         // round time
+      case 'r':
+         m_chatBuffer.replace ("%r", getRoundTime ());
+         break;
+
+         // chat reply
+      case 's':
+         if (m_sayTextBuffer.entityIndex != -1) {
+            m_chatBuffer.replace ("%s", humanizedName (m_sayTextBuffer.entityIndex));
          }
          else {
-            return humanizedName (util.getClient (index));
+            m_chatBuffer.replace ("%s", getHighfragPlayer ());
          }
-      }
-      else {
-         for (index = 0; index < game.maxClients (); index++) {
-            const Client &client = util.getClient (index);
+         break;
 
-            if (!(client.flags & CF_USED) || client.team != m_team || client.ent == ent ()) {
-               continue;
-            }
+         // last bot victim
+      case 'v':
+         m_chatBuffer.replace ("%v", getMyVictim ());
+         break;
 
-            if ((needsEnemy && m_team != client.team) || (!needsEnemy && m_team == client.team)) {
-               continue;
-            }
-            break;
-         }
+         // game name
+      case 'd':
+         m_chatBuffer.replace ("%d", getGameName ());
+         break;
 
-         if (index < game.maxClients ()) {
-            return humanizedName (util.getClient (index));
-         }
-      }
-      return cr::move (String ("unknown"));
-   };
+         // teammate alive
+      case 't':
+         m_chatBuffer.replace ("%t", getPlayerAlive (false));
+         break;
 
-   // found one, let's do replace
-   switch (message[pos + 1]) {
-
-      // the highest frag player
-   case 'f':
-      m_chatBuffer.replace ("%f", getHighfragPlayer ());
-      break;
-
-      // current map name
-   case 'm':
-      m_chatBuffer.replace ("%m", game.getMapName ());
-      break;
-
-      // round time
-   case 'r':
-      m_chatBuffer.replace ("%r", getRoundTime ());
-      break;
-
-      // chat reply
-   case 's':
-      if (m_sayTextBuffer.entityIndex != -1) {
-         m_chatBuffer.replace ("%s", humanizedName (util.getClient (m_sayTextBuffer.entityIndex)));
-      }
-      else {
-         m_chatBuffer.replace ("%s", getHighfragPlayer ());
-      }
-      break;
-
-      // last bot victim
-   case 'v':
-      m_chatBuffer.replace ("%v", getMyVictim ());
-      break;
-
-      // game name
-   case 'd':
-      m_chatBuffer.replace ("%d", getGameName ());
-      break;
-
-      // teammate alive
-   case 't':
-      m_chatBuffer.replace ("%t", getPlayerAlive (false));
-      break;
-
-      // enemy alive
-   case 'e':
-      m_chatBuffer.replace ("%e", getPlayerAlive (true));
-      break;
-
-   };
+         // enemy alive
+      case 'e':
+         m_chatBuffer.replace ("%e", getPlayerAlive (true));
+         break;
+      };
+      replaceCounter++;
+   }
    finishPreparation ();
 }
 
@@ -327,18 +296,17 @@ bool Bot::checkChatKeywords (String &reply) {
    return util.checkKeywords (message.uppercase (), reply);
 }
 
-bool Bot::isReplyingToChat (void) {
+bool Bot::isReplyingToChat () {
    // this function sends reply to a player
 
    if (m_sayTextBuffer.entityIndex != -1 && !m_sayTextBuffer.sayText.empty ()) {
-
       // check is time to chat is good
-      if (m_sayTextBuffer.timeNextChat < game.timebase ()) {
+      if (m_sayTextBuffer.timeNextChat < game.timebase () + rg.float_ (m_sayTextBuffer.chatDelay / 2, m_sayTextBuffer.chatDelay)) {
          String replyText;
 
-         if (rng.chance (m_sayTextBuffer.chatProbability + rng.getInt (25, 45)) && checkChatKeywords (replyText)) {
+         if (rg.chance (m_sayTextBuffer.chatProbability + rg.int_ (20, 50)) && checkChatKeywords (replyText)) {
             prepareChatMessage (replyText);
-            pushMsgQueue (GAME_MSG_SAY_CMD);
+            pushMsgQueue (BotMsg::Say);
   
             m_sayTextBuffer.entityIndex = -1;
             m_sayTextBuffer.timeNextChat = game.timebase () + m_sayTextBuffer.chatDelay;
@@ -353,19 +321,17 @@ bool Bot::isReplyingToChat (void) {
    return false;
 }
 
-void Bot::checkForChat (void) {
+void Bot::checkForChat () {
 
    // say a text every now and then
-   if (rng.chance (35) || m_notKilled || !yb_chat.boolean ()) {
+   if (rg.chance (30) || m_notKilled || !yb_chat.bool_ ()) {
       return;
    }
 
    // bot chatting turned on?
-   if (m_lastChatTime + 10.0 < game.timebase () && bots.getLastChatTimestamp () + 5.0f < game.timebase () && !isReplyingToChat ()) {
-      auto &chat = conf.getChat ();
-
-      if (!chat[CHAT_DEAD].empty ()) {
-         const String &phrase = chat[CHAT_DEAD].random ();
+   if (m_lastChatTime + rg.float_ (6.0f, 10.0f) < game.timebase () && bots.getLastChatTimestamp () + rg.float_ (2.5f, 5.0f) < game.timebase () && !isReplyingToChat ()) {
+      if (conf.hasChatBank (Chat::Dead)) {
+         const auto &phrase = conf.pickRandomFromChatBank (Chat::Dead);
          bool sayBufferExists = false;
 
          // search for last messages, sayed
@@ -375,9 +341,10 @@ void Bot::checkForChat (void) {
                break;
             }
          }
+
          if (!sayBufferExists) {
             prepareChatMessage (phrase);
-            pushMsgQueue (GAME_MSG_SAY_CMD);
+            pushMsgQueue (BotMsg::Say);
  
             m_lastChatTime = game.timebase ();
             bots.setLastChatTimestamp (game.timebase ());
@@ -388,7 +355,7 @@ void Bot::checkForChat (void) {
       }
 
       // clear the used line buffer every now and then
-      if (static_cast <int> (m_sayTextBuffer.lastUsedSentences.length ()) > rng.getInt (4, 6)) {
+      if (static_cast <int> (m_sayTextBuffer.lastUsedSentences.length ()) > rg.int_ (4, 6)) {
          m_sayTextBuffer.lastUsedSentences.clear ();
       }
    }
@@ -397,17 +364,17 @@ void Bot::checkForChat (void) {
 void Bot::say (const char *text) {
    // this function prints saytext message to all players
 
-   if (util.isEmptyStr (text) || !yb_chat.boolean ()) {
+   if (util.isEmptyStr (text) || !yb_chat.bool_ ()) {
       return;
    }
-   game.execBotCmd (ent (), "say \"%s\"", text);
+   game.botCommand (ent (), "say \"%s\"", text);
 }
 
 void Bot::sayTeam (const char *text) {
    // this function prints saytext message only for teammates
 
-   if (util.isEmptyStr (text) || !yb_chat.boolean ()) {
+   if (util.isEmptyStr (text) || !yb_chat.bool_ ()) {
       return;
    }
-   game.execBotCmd (ent (), "say_team \"%s\"", text);
+   game.botCommand (ent (), "say_team \"%s\"", text);
 }

source/interface.cpp

@@ -9,7 +9,7 @@
 
 #include <yapb.h>
 
-ConVar yb_version ("yb_version", PRODUCT_VERSION, VT_READONLY);
+ConVar yb_version ("yb_version", PRODUCT_VERSION, Var::ReadOnly);
 
 gamefuncs_t dllapi;
 enginefuncs_t engfuncs;
@@ -33,7 +33,7 @@ plugin_info_t Plugin_info = {
    PT_ANYTIME, // when unloadable
 };
 
-namespace VariadicCallbacks {
+namespace variadic {
    void clientCommand (edict_t *ent, char const *format, ...) {
       // this function forces the client whose player entity is ent to issue a client command.
       // How it works is that clients all have a argv global string in their client DLL that
@@ -50,31 +50,31 @@ namespace VariadicCallbacks {
       // case it's a bot asking for a client command, we handle it like we do for bot commands
 
       va_list ap;
-      char buffer[MAX_PRINT_BUFFER];
+      auto buffer = strings.chars ();
 
       va_start (ap, format);
-      _vsnprintf (buffer, cr::bufsize (buffer), format, ap);
+      _vsnprintf (buffer, StringBuffer::StaticBufferSize, format, ap);
       va_end (ap);
 
       if (ent && (ent->v.flags & (FL_FAKECLIENT | FL_DORMANT))) {
-         if (bots.getBot (ent)) {
-            game.execBotCmd (ent, buffer);
+         if (bots[ent]) {
+            game.botCommand (ent, buffer);
          }
 
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META (MRES_SUPERCEDE); // prevent bots to be forced to issue client commands
          }
          return;
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnClientCommand (ent, buffer);
    }
 }
 
-SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
+CR_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
    // this function is called right after GiveFnptrsToDll() by the engine in the game DLL (or
    // what it BELIEVES to be the game DLL), in order to copy the list of MOD functions that can
    // be called by the engine, into a memory block pointed to by the functionTable pointer
@@ -87,13 +87,12 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
 
    memset (functionTable, 0, sizeof (gamefuncs_t));
 
-   if (!(game.is (GAME_METAMOD))) {
-      auto api_GetEntityAPI = game.getLib ().resolve <int (*) (gamefuncs_t *, int)> ("GetEntityAPI");
+   if (!(game.is (GameFlags::Metamod))) {
+      auto api_GetEntityAPI = game.lib ().resolve <int (*) (gamefuncs_t *, int)> ("GetEntityAPI");
 
       // pass other DLLs engine callbacks to function table...
-      if (api_GetEntityAPI (&dllapi, INTERFACE_VERSION) == 0) {
-         util.logEntry (true, LL_FATAL, "GetEntityAPI2: ERROR - Not Initialized.");
-         return FALSE; // error initializing function table!!!
+      if (!api_GetEntityAPI || api_GetEntityAPI (&dllapi, INTERFACE_VERSION) == 0) {
+         logger.fatal ("Could not resolve symbol \"%s\" in the game dll.", "GetEntityAPI");
       }
       dllfuncs.dllapi_table = &dllapi;
       gpGamedllFuncs = &dllfuncs;
@@ -101,7 +100,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       memcpy (functionTable, &dllapi, sizeof (gamefuncs_t));
    }
 
-   functionTable->pfnGameInit = [] (void) {
+   functionTable->pfnGameInit = [] () {
       // this function is a one-time call, and appears to be the second function called in the
       // DLL after GiveFntprsToDll() has been called. Its purpose is to tell the MOD DLL to
       // initialize the game before the engine actually hooks into it with its video frames and
@@ -110,6 +109,14 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // server is enabled. Here is a good place to do our own game session initialization, and
       // to register by the engine side the server commands we need to administrate our bots.
 
+      // register bot cvars
+      game.registerCvars ();
+
+      // register logger
+      logger.initialize (strings.format ("%slogs/yapb.log", graph.getDataDirectory (false)), [] (const char *msg) {
+         game.print (msg);
+         });
+
       conf.initWeapons ();
 
       // register server command(s)
@@ -117,20 +124,20 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       game.registerCmd ("yb", BotControl::handleEngineCommands);
 
       // set correct version string
-      yb_version.set (util.format ("%d.%d.%d", PRODUCT_VERSION_DWORD_INTERNAL, util.buildNumber ()));
+      yb_version.set (strings.format ("%d.%d.%d", PRODUCT_VERSION_DWORD_INTERNAL, util.buildNumber ()));
 
       // execute main config
-      conf.load (true);
+      conf.loadMainConfig ();
 
       // register fake metamod command handler if we not! under mm
-      if (!(game.is (GAME_METAMOD))) {
-         game.registerCmd ("meta", [] (void) {
+      if (!(game.is (GameFlags::Metamod))) {
+         game.registerCmd ("meta", [] () {
             game.print ("You're launched standalone version of yapb. Metamod is not installed or not enabled!");
             });
       }
       conf.adjustWeaponPrices ();
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnGameInit ();
@@ -144,7 +151,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
 
       game.precache ();
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, 0);
       }
       int result = dllapi.pfnSpawn (ent); // get result
@@ -168,7 +175,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // is called twice, once for each entity moving.
 
       if (!game.isNullEntity (pentTouched) && pentOther != game.getStartEntity ()) {
-         Bot *bot = bots.getBot (pentTouched);
+         auto bot = bots[pentTouched];
 
          if (bot != nullptr && pentOther != bot->ent ()) {
 
@@ -181,7 +188,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
          }
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnTouch (pentTouched, pentOther);
@@ -212,13 +219,13 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       if (strcmp (addr, "loopback") == 0) {
          game.setLocalEntity (ent); // save the edict of the listen server client...
 
-         // if not dedicated set the default editor for waypoints
+         // if not dedicated set the default editor for graph
          if (!game.isDedicated ()) {
-            waypoints.setEditor (ent);
+            graph.setEditor (ent);
          }
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, 0);
       }
       return dllapi.pfnClientConnect (ent, name, addr, rejectReason);
@@ -236,18 +243,18 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // to reset his entity pointer for safety. There are still a few server frames to go once a
       // listen server client disconnects, and we don't want to send him any sort of message then.
 
-      int index = game.indexOfEntity (ent) - 1;
-
-      if (index >= 0 && index < MAX_ENGINE_PLAYERS) {
-         auto bot = bots.getBot (index);
-
-         // check if its a bot
-         if (bot != nullptr && bot->pev == &ent->v) {
+      for (auto &bot : bots) {
+         if (bot->pev == &ent->v) {
             bot->showChaterIcon (false);
-            bots.destroy (index);
+
+            conf.clearUsedName (bot.get ()); // clear the bot name
+            bots.erase (bot.get ()); // remove the bot from bots array
+
+            break;
          }
       }
-      if (game.is (GAME_METAMOD)) {
+
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnClientDisconnect (ent);
@@ -261,7 +268,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
 
       ctrl.assignAdminRights (ent, infobuffer);
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnClientUserInfoChanged (ent, infobuffer);
@@ -282,14 +289,14 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // clients. Hence it can lack of commenting a bit, since this code is very subject to change.
 
       if (ctrl.handleClientCommands (ent)) {
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META (MRES_SUPERCEDE);
          }
          return;
       }
 
       else if (ctrl.handleMenuCommands (ent)) {
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META (MRES_SUPERCEDE);
          }
          return;
@@ -298,7 +305,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // record stuff about radio and chat
       bots.captureChatRadio (engfuncs.pfnCmd_Argv (0), engfuncs.pfnCmd_Argv (1), ent);
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnClientCommand (ent);
@@ -312,8 +319,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // loading the bot profiles, and drawing the world map (ie, filling the navigation hashtable).
       // Once this function has been called, the server can be considered as "running".
 
-      bots.destroy ();
-      conf.load (false); // initialize all config files
+      conf.loadConfigs (); // initialize all config files
 
       // do a level initialization
       game.levelInitialize (pentEdictList, edictCount);
@@ -322,27 +328,26 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       illum.resetWorldModel ();
 
       // do level initialization stuff here...
-      waypoints.init ();
-      waypoints.load ();
+      graph.loadGraphData ();
 
       // execute main config
-      conf.load (true);
+      conf.loadMainConfig ();
 
-      if (File::exists (util.format ("%s/maps/%s_yapb.cfg", game.getModName (), game.getMapName ()))) {
-         game.execCmd ("exec maps/%s_yapb.cfg", game.getMapName ());
+      if (File::exists (strings.format ("%s/maps/%s_yapb.cfg", game.getModName (), game.getMapName ()))) {
+         game.serverCommand ("exec maps/%s_yapb.cfg", game.getMapName ());
          game.print ("Executing Map-Specific config file");
       }
       bots.initQuota ();
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnServerActivate (pentEdictList, edictCount, clientMax);
 
-      waypoints.rebuildVisibility ();
+      graph.rebuildVisibility ();
    };
 
-   functionTable->pfnServerDeactivate = [] (void) {
+   functionTable->pfnServerDeactivate = [] () {
       // this function is called when the server is shutting down. A particular note about map
       // changes: changing the map means shutting down the server and starting a new one. Of course
       // this process is transparent to the user, but either in single player when the hero reaches
@@ -354,8 +359,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // the loading of new bots and the new BSP data parsing there.
 
       // save collected experience on shutdown
-      waypoints.saveExperience ();
-      waypoints.saveVisibility ();
+      graph.savePractice ();
 
       // destroy global killer entity
       bots.destroyKillerEntity ();
@@ -370,19 +374,21 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       util.setNeedForWelcome (false);
 
       // xash is not kicking fakeclients on changelevel
-      if (game.is (GAME_XASH_ENGINE)) {
+      if (game.is (GameFlags::Xash3D)) {
          bots.kickEveryone (true, false);
-         bots.destroy ();
       }
-      waypoints.init ();
+      graph.initGraph ();
 
-      if (game.is (GAME_METAMOD)) {
+      // clear all the bots
+      bots.destroy ();
+
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnServerDeactivate ();
    };
 
-   functionTable->pfnStartFrame = [] (void) {
+   functionTable->pfnStartFrame = [] () {
       // this function starts a video frame. It is called once per video frame by the game. If
       // you run Half-Life at 90 fps, this function will then be called 90 times per second. By
       // placing a hook on it, we have a good place to do things that should be done continuously
@@ -400,10 +406,9 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // update some stats for clients
       util.updateClients ();
 
-      if (waypoints.hasEditFlag (WS_EDIT_ENABLED) && waypoints.hasEditor ()) {
-         waypoints.frame ();
+      if (graph.hasEditFlag (GraphEdit::On) && graph.hasEditor ()) {
+         graph.frame ();
       }
-      bots.updateDeathMsgState (false);
 
       // run stuff periodically
       game.slowFrame ();
@@ -419,7 +424,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       // keep bot number up to date
       bots.maintainQuota ();
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnStartFrame ();
@@ -428,17 +433,24 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
       bots.slowFrame ();
    };
 
-   functionTable->pfnUpdateClientData = [] (const struct edict_s *ent, int sendweapons, struct clientdata_s *cd) {
-      extern ConVar yb_latency_display;
+   functionTable->pfnCmdStart = [] (const edict_t *player, usercmd_t *cmd, unsigned int random_seed) {
+      auto ent = const_cast <edict_t *> (player);
 
-      if (game.is (GAME_SUPPORT_SVC_PINGS) && yb_latency_display.integer () == 2 && bots.hasBotsOnline ()) {
-         bots.sendPingOffsets (const_cast <edict_t *> (ent));
+      // if we're handle pings for bots and clients, clear IN_SCORE button so SV_ShouldUpdatePing engine function return false
+      // and SV_EmitPings will not overwrite our results
+      if (game.is (GameFlags::HasFakePings) && yb_show_latency.int_ () == 2) {
+         if ((cmd->buttons & IN_SCORE) || (ent->v.oldbuttons & IN_SCORE)) {
+            cmd->buttons &= ~IN_SCORE;
+
+            // send our version of pings
+            util.sendPings (ent);
+         }
       }
       
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
-      dllapi.pfnUpdateClientData (ent, sendweapons, cd);
+      dllapi.pfnCmdStart (player, cmd, random_seed);
    };
 
    functionTable->pfnPM_Move = [] (playermove_t *playerMove, int server) {
@@ -449,7 +461,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
 
       illum.setWorldModel (playerMove->physents[0].model);
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       dllapi.pfnPM_Move (playerMove, server);
@@ -457,8 +469,8 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2 (gamefuncs_t *functionTable, int *) {
    return TRUE;
 }
 
-SHARED_LIBRARAY_EXPORT int GetEntityAPI2_Post (gamefuncs_t *functionTable, int *) {
-   // this function is called right after FuncPointers_t() by the engine in the game DLL (or
+CR_EXPORT int GetEntityAPI2_Post (gamefuncs_t *table, int *) {
+   // this function is called right after GiveFnptrsToDll() by the engine in the game DLL (or
    // what it BELIEVES to be the game DLL), in order to copy the list of MOD functions that can
    // be called by the engine, into a memory block pointed to by the functionTable pointer
    // that is passed into this function (explanation comes straight from botman). This allows
@@ -468,9 +480,9 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2_Post (gamefuncs_t *functionTable, int *
    // engine, and then calls the MOD DLL's version of GetEntityAPI to get the REAL gamedll
    // functions this time (to use in the bot code). Post version, called only by metamod.
 
-   memset (functionTable, 0, sizeof (gamefuncs_t));
+   memset (table, 0, sizeof (gamefuncs_t));
 
-   functionTable->pfnSpawn = [] (edict_t *ent) {
+   table->pfnSpawn = [] (edict_t *ent) {
       // this function asks the game DLL to spawn (i.e, give a physical existence in the virtual
       // world, in other words to 'display') the entity pointed to by ent in the game. The
       // Spawn() function is one of the functions any entity is supposed to have in the game DLL,
@@ -484,7 +496,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2_Post (gamefuncs_t *functionTable, int *
       RETURN_META_VALUE (MRES_IGNORED, 0);
    };
 
-   functionTable->pfnStartFrame = [] (void) {
+   table->pfnStartFrame = [] () {
       // this function starts a video frame. It is called once per video frame by the game. If
       // you run Half-Life at 90 fps, this function will then be called 90 times per second. By
       // placing a hook on it, we have a good place to do things that should be done continuously
@@ -496,7 +508,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2_Post (gamefuncs_t *functionTable, int *
       RETURN_META (MRES_IGNORED);
    };
 
-   functionTable->pfnServerActivate = [] (edict_t *, int, int) {
+   table->pfnServerActivate = [] (edict_t *, int, int) {
       // this function is called when the server has fully loaded and is about to manifest itself
       // on the network as such. Since a mapchange is actually a server shutdown followed by a
       // restart, this function is also called when a new map is being loaded. Hence it's the
@@ -505,7 +517,7 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2_Post (gamefuncs_t *functionTable, int *
       // Once this function has been called, the server can be considered as "running". Post version
       // called only by metamod.
 
-      waypoints.rebuildVisibility ();
+      graph.rebuildVisibility ();
 
       RETURN_META (MRES_IGNORED);
    };
@@ -513,21 +525,21 @@ SHARED_LIBRARAY_EXPORT int GetEntityAPI2_Post (gamefuncs_t *functionTable, int *
    return TRUE;
 }
 
-SHARED_LIBRARAY_EXPORT int GetNewDLLFunctions (newgamefuncs_t *functionTable, int *interfaceVersion) {
+CR_EXPORT int GetNewDLLFunctions (newgamefuncs_t *functionTable, int *interfaceVersion) {
    // it appears that an extra function table has been added in the engine to gamedll interface
    // since the date where the first enginefuncs table standard was frozen. These ones are
    // facultative and we don't hook them, but since some MODs might be featuring it, we have to
    // pass them too, else the DLL interfacing wouldn't be complete and the game possibly wouldn't
    // run properly.
 
-   auto api_GetNewDLLFunctions = game.getLib ().resolve <int (*) (newgamefuncs_t *, int *)> ("GetNewDLLFunctions");
+   auto api_GetNewDLLFunctions = game.lib ().resolve <int (*) (newgamefuncs_t *, int *)> (__FUNCTION__);
 
    if (api_GetNewDLLFunctions == nullptr) {
       return FALSE;
    }
 
-   if (!api_GetNewDLLFunctions (functionTable, interfaceVersion)) {
-      util.logEntry (true, LL_ERROR, "GetNewDLLFunctions: ERROR - Not Initialized.");
+   if (!api_GetNewDLLFunctions || !api_GetNewDLLFunctions (functionTable, interfaceVersion)) {
+      logger.error ("Could not resolve symbol \"%s\" in the game dll. Continuing...", __FUNCTION__);
       return FALSE;
    }
 
@@ -535,8 +547,8 @@ SHARED_LIBRARAY_EXPORT int GetNewDLLFunctions (newgamefuncs_t *functionTable, in
    return TRUE;
 }
 
-SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int *) {
-   if (game.is (GAME_METAMOD)) {
+CR_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int *) {
+   if (game.is (GameFlags::Metamod)) {
       memset (functionTable, 0, sizeof (enginefuncs_t));
    }
 
@@ -551,10 +563,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
       // spawn point named "tr_2lm".
 
       // save collected experience on map change
-      waypoints.saveExperience ();
-      waypoints.saveVisibility ();
+      graph.savePractice ();
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnChangeLevel (s1, s2);
@@ -565,7 +576,7 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
       illum.updateLight (style, val);
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnLightStyle (style, val);
@@ -573,11 +584,11 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnFindEntityByString = [] (edict_t *edictStartSearchAfter, const char *field, const char *value) {
       // round starts in counter-strike 1.5
-      if ((game.is (GAME_LEGACY)) && strcmp (value, "info_map_parameters") == 0) {
+      if ((game.is (GameFlags::Legacy)) && strcmp (value, "info_map_parameters") == 0) {
          bots.initRound ();
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, static_cast <edict_t *> (nullptr));
       }
       return engfuncs.pfnFindEntityByString (edictStartSearchAfter, field, value);
@@ -596,7 +607,7 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
       util.attachSoundsToClients (entity, sample, volume);
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnEmitSound (entity, channel, sample, volume, attenuation, flags, pitch);
@@ -607,29 +618,26 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
       game.beginMessage (ed, msgDest, msgType);
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnMessageBegin (msgDest, msgType, origin, ed);
    };
 
-   functionTable->pfnMessageEnd = [] (void) {
+   functionTable->pfnMessageEnd = [] () {
       game.resetMessages ();
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnMessageEnd ();
-
-      // send latency fix
-      bots.sendDeathMsgFix ();
    };
 
    functionTable->pfnWriteByte = [] (int value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteByte (value);
@@ -637,9 +645,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteChar = [] (int value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteChar (value);
@@ -647,9 +655,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteShort = [] (int value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteShort (value);
@@ -657,9 +665,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteLong = [] (int value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteLong (value);
@@ -667,9 +675,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteAngle = [] (float value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteAngle (value);
@@ -677,9 +685,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteCoord = [] (float value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteCoord (value);
@@ -687,9 +695,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteString = [] (const char *sz) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) sz);
+      game.processMessages (reinterpret_cast <void *> (const_cast <char *> (sz)));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteString (sz);
@@ -697,9 +705,9 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
    functionTable->pfnWriteEntity = [] (int value) {
       // if this message is for a bot, call the client message function...
-      game.processMessages ((void *) &value);
+      game.processMessages (reinterpret_cast <void *> (&value));
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnWriteEntity (value);
@@ -716,76 +724,76 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
       // using pfnMessageBegin (), it will know what message ID number to send, and the engine will
       // know what to do, only for non-metamod version
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, 0);
       }
       int message = engfuncs.pfnRegUserMsg (name, size);
 
       if (strcmp (name, "VGUIMenu") == 0) {
-         game.setMessageId (NETMSG_VGUI, message);
+         game.setMessageId (NetMsg::VGUI, message);
       }
       else if (strcmp (name, "ShowMenu") == 0) {
-         game.setMessageId (NETMSG_SHOWMENU, message);
+         game.setMessageId (NetMsg::ShowMenu, message);
       }
       else if (strcmp (name, "WeaponList") == 0) {
-         game.setMessageId (NETMSG_WEAPONLIST, message);
+         game.setMessageId (NetMsg::WeaponList, message);
       }
       else if (strcmp (name, "CurWeapon") == 0) {
-         game.setMessageId (NETMSG_CURWEAPON, message);
+         game.setMessageId (NetMsg::CurWeapon, message);
       }
       else if (strcmp (name, "AmmoX") == 0) {
-         game.setMessageId (NETMSG_AMMOX, message);
+         game.setMessageId (NetMsg::AmmoX, message);
       }
       else if (strcmp (name, "AmmoPickup") == 0) {
-         game.setMessageId (NETMSG_AMMOPICKUP, message);
+         game.setMessageId (NetMsg::AmmoPickup, message);
       }
       else if (strcmp (name, "Damage") == 0) {
-         game.setMessageId (NETMSG_DAMAGE, message);
+         game.setMessageId (NetMsg::Damage, message);
       }
       else if (strcmp (name, "Money") == 0) {
-         game.setMessageId (NETMSG_MONEY, message);
+         game.setMessageId (NetMsg::Money, message);
       }
       else if (strcmp (name, "StatusIcon") == 0) {
-         game.setMessageId (NETMSG_STATUSICON, message);
+         game.setMessageId (NetMsg::StatusIcon, message);
       }
       else if (strcmp (name, "DeathMsg") == 0) {
-         game.setMessageId (NETMSG_DEATH, message);
+         game.setMessageId (NetMsg::DeathMsg, message);
       }
       else if (strcmp (name, "ScreenFade") == 0) {
-         game.setMessageId (NETMSG_SCREENFADE, message);
+         game.setMessageId (NetMsg::ScreenFade, message);
       }
       else if (strcmp (name, "HLTV") == 0) {
-         game.setMessageId (NETMSG_HLTV, message);
+         game.setMessageId (NetMsg::HLTV, message);
       }
       else if (strcmp (name, "TextMsg") == 0) {
-         game.setMessageId (NETMSG_TEXTMSG, message);
+         game.setMessageId (NetMsg::TextMsg, message);
       }
       else if (strcmp (name, "TeamInfo") == 0) {
-         game.setMessageId (NETMSG_TEAMINFO, message);
+         game.setMessageId (NetMsg::TeamInfo, message);
       }
       else if (strcmp (name, "BarTime") == 0) {
-         game.setMessageId (NETMSG_BARTIME, message);
+         game.setMessageId (NetMsg::BarTime, message);
       }
       else if (strcmp (name, "SendAudio") == 0) {
-         game.setMessageId (NETMSG_SENDAUDIO, message);
+         game.setMessageId (NetMsg::SendAudio, message);
       }
       else if (strcmp (name, "SayText") == 0) {
-         game.setMessageId (NETMSG_SAYTEXT, message);
+         game.setMessageId (NetMsg::SayText, message);
       }
       else if (strcmp (name, "BotVoice") == 0) {
-         game.setMessageId (NETMSG_BOTVOICE, message);
+         game.setMessageId (NetMsg::BotVoice, message);
       }
       else if (strcmp (name, "NVGToggle") == 0) {
-         game.setMessageId (NETMSG_NVGTOGGLE, message);
+         game.setMessageId (NetMsg::NVGToggle, message);
       }
       else if (strcmp (name, "FlashBat") == 0) {
-         game.setMessageId (NETMSG_FLASHBAT, message);
+         game.setMessageId (NetMsg::FlashBat, message);
       }
       else if (strcmp (name, "Flashlight") == 0) {
-         game.setMessageId (NETMSG_FLASHLIGHT, message);
+         game.setMessageId (NetMsg::Fashlight, message);
       }
       else if (strcmp (name, "ItemStatus") == 0) {
-         game.setMessageId (NETMSG_ITEMSTATUS, message);
+         game.setMessageId (NetMsg::ItemStatus, message);
       }
       return message;
    };
@@ -798,19 +806,19 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
       // we know, right ? But since stupidity rules this world, we do a preventive check :)
 
       if (util.isFakeClient (ent)) {
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META (MRES_SUPERCEDE);
          }
          return;
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnClientPrintf (ent, printType, message);
    };
 
-   functionTable->pfnCmd_Args = [] (void) {
+   functionTable->pfnCmd_Args = [] () {
       // this function returns a pointer to the whole current client command string. Since bots
       // have no client DLL and we may want a bot to execute a client command, we had to implement
       // a argv string in the bot DLL for holding the bots' commands, and also keep track of the
@@ -820,13 +828,13 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
       // is this a bot issuing that client command?
       if (game.isBotCmd ()) {
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META_VALUE (MRES_SUPERCEDE, game.botArgs ());
          }
          return game.botArgs (); // else return the whole bot client command string we know
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, static_cast <const char *> (nullptr));
       }
       return engfuncs.pfnCmd_Args (); // ask the client command string to the engine
@@ -842,19 +850,19 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
       // is this a bot issuing that client command?
       if (game.isBotCmd ()) {
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META_VALUE (MRES_SUPERCEDE, game.botArgv (argc));
          }
          return game.botArgv (argc); // if so, then return the wanted argument we know
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, static_cast <const char *> (nullptr));
       }
       return engfuncs.pfnCmd_Argv (argc); // ask the argument number "argc" to the engine
    };
 
-   functionTable->pfnCmd_Argc = [] (void) {
+   functionTable->pfnCmd_Argc = [] () {
       // this function returns the number of arguments the current client command string has. Since
       // bots have no client DLL and we may want a bot to execute a client command, we had to
       // implement a argv string in the bot DLL for holding the bots' commands, and also keep
@@ -864,61 +872,52 @@ SHARED_LIBRARAY_EXPORT int GetEngineFunctions (enginefuncs_t *functionTable, int
 
       // is this a bot issuing that client command?
       if (game.isBotCmd ()) {
-         if (game.is (GAME_METAMOD)) {
+         if (game.is (GameFlags::Metamod)) {
             RETURN_META_VALUE (MRES_SUPERCEDE, game.botArgc ());
          }
          return game.botArgc (); // if so, then return the argument count we know
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META_VALUE (MRES_IGNORED, 0);
       }
       return engfuncs.pfnCmd_Argc (); // ask the engine how many arguments there are
    };
 
    functionTable->pfnSetClientMaxspeed = [] (const edict_t *ent, float newMaxspeed) {
-      Bot *bot = bots.getBot (const_cast <edict_t *> (ent));
+      auto bot = bots[const_cast <edict_t *> (ent)];
 
       // check wether it's not a bot
       if (bot != nullptr) {
          bot->pev->maxspeed = newMaxspeed;
       }
 
-      if (game.is (GAME_METAMOD)) {
+      if (game.is (GameFlags::Metamod)) {
          RETURN_META (MRES_IGNORED);
       }
       engfuncs.pfnSetClientMaxspeed (ent, newMaxspeed);
    };
+
+   functionTable->pfnClientCommand = variadic::clientCommand;
+
    return TRUE;
 }
 
-SHARED_LIBRARAY_EXPORT int GetEngineFunctions_Post (enginefuncs_t *functionTable, int *) {
-
-   memset (functionTable, 0, sizeof (enginefuncs_t));
-
-   functionTable->pfnMessageEnd = [] (void) {
-      // send latency fix
-      bots.sendDeathMsgFix ();
-
-      RETURN_META (MRES_IGNORED);
-   };
-   return TRUE;
-}
-
-SHARED_LIBRARAY_EXPORT int Server_GetBlendingInterface (int version, void **ppinterface, void *pstudio, float (*rotationmatrix)[3][4], float (*bonetransform)[128][3][4]) {
+CR_EXPORT int Server_GetBlendingInterface (int version, void **ppinterface, void *pstudio, float (*rotationmatrix)[3][4], float (*bonetransform)[128][3][4]) {
    // this function synchronizes the studio model animation blending interface (i.e, what parts
    // of the body move, which bones, which hitboxes and how) between the server and the game DLL.
    // some MODs can be using a different hitbox scheme than the standard one.
 
-   auto api_GetBlendingInterface = game.getLib ().resolve <int (*) (int, void **, void *, float(*)[3][4], float(*)[128][3][4])> ("Server_GetBlendingInterface");
+   auto api_GetBlendingInterface = game.lib ().resolve <int (*) (int, void **, void *, float(*)[3][4], float(*)[128][3][4])> (__FUNCTION__);
 
-   if (api_GetBlendingInterface == nullptr) {
+   if (!api_GetBlendingInterface) {
+      logger.error ("Could not resolve symbol \"%s\" in the game dll. Continuing...", __FUNCTION__);
       return FALSE;
    }
    return api_GetBlendingInterface (version, ppinterface, pstudio, rotationmatrix, bonetransform);
 }
 
-SHARED_LIBRARAY_EXPORT int Meta_Query (char *, plugin_info_t **pPlugInfo, mutil_funcs_t *pMetaUtilFuncs) {
+CR_EXPORT int Meta_Query (char *, plugin_info_t **pPlugInfo, mutil_funcs_t *pMetaUtilFuncs) {
    // this function is the first function ever called by metamod in the plugin DLL. Its purpose
    // is for metamod to retrieve basic information about the plugin, such as its meta-interface
    // version, for ensuring compatibility with the current version of the running metamod.
@@ -929,7 +928,7 @@ SHARED_LIBRARAY_EXPORT int Meta_Query (char *, plugin_info_t **pPlugInfo, mutil_
    return TRUE; // tell metamod this plugin looks safe
 }
 
-SHARED_LIBRARAY_EXPORT int Meta_Attach (PLUG_LOADTIME, metamod_funcs_t *functionTable, meta_globals_t *pMGlobals, gamedll_funcs_t *pGamedllFuncs) {
+CR_EXPORT int Meta_Attach (PLUG_LOADTIME, metamod_funcs_t *functionTable, meta_globals_t *pMGlobals, gamedll_funcs_t *pGamedllFuncs) {
    // this function is called when metamod attempts to load the plugin. Since it's the place
    // where we can tell if the plugin will be allowed to run or not, we wait until here to make
    // our initialization stuff, like registering CVARs and dedicated server commands.
@@ -943,7 +942,7 @@ SHARED_LIBRARAY_EXPORT int Meta_Attach (PLUG_LOADTIME, metamod_funcs_t *function
       nullptr, // pfnGetNewDLLFunctions ()
       nullptr, // pfnGetNewDLLFunctions_Post ()
       GetEngineFunctions, // pfnGetEngineFunctions ()
-      GetEngineFunctions_Post, // pfnGetEngineFunctions_Post ()
+      nullptr, // pfnGetEngineFunctions_Post ()
    };
 
    // keep track of the pointers to engine function tables metamod gives us
@@ -954,23 +953,44 @@ SHARED_LIBRARAY_EXPORT int Meta_Attach (PLUG_LOADTIME, metamod_funcs_t *function
    return TRUE; // returning true enables metamod to attach this plugin
 }
 
-SHARED_LIBRARAY_EXPORT int Meta_Detach (PLUG_LOADTIME, PL_UNLOAD_REASON) {
+CR_EXPORT int Meta_Detach (PLUG_LOADTIME, PL_UNLOAD_REASON) {
    // this function is called when metamod unloads the plugin. A basic check is made in order
    // to prevent unloading the plugin if its processing should not be interrupted.
 
    bots.kickEveryone (true); // kick all bots off this server
-   waypoints.init ();
+
+   // save collected experience on shutdown
+   graph.savePractice ();
 
    return TRUE;
 }
 
-SHARED_LIBRARAY_EXPORT void Meta_Init (void) {
+CR_EXPORT void Meta_Init () {
    // this function is called by metamod, before any other interface functions. Purpose of this
    // function to give plugin a chance to determine is plugin running under metamod or not.
 
-   game.addGameFlag (GAME_METAMOD);
+   game.addGameFlag (GameFlags::Metamod);
 }
 
+// games GiveFnptrsToDll is a bit tricky
+#if defined(CR_WINDOWS)
+#  if defined(CR_CXX_MSVC) || defined (CR_CXX_MSVC)
+#     if defined (CR_ARCH_X86)
+#        pragma comment(linker, "/EXPORT:GiveFnptrsToDll=_GiveFnptrsToDll@8,@1")
+#     endif
+#     pragma comment(linker, "/SECTION:.data,RW")
+#  endif
+#  define DLL_STDCALL __stdcall
+#  if defined(CR_CXX_MSVC) && !defined(CR_ARCH_X64)
+#     define DLL_GIVEFNPTRSTODLL extern "C" void DLL_STDCALL
+#  elif defined(CR_CXX_CLANG) || defined(CR_ARCH_X64)
+#     define DLL_GIVEFNPTRSTODLL CR_EXPORT void DLL_STDCALL
+#  endif
+#elif defined(CR_LINUX) || defined (CR_OSX) || defined (CR_ANDROID)
+#  define DLL_GIVEFNPTRSTODLL CR_EXPORT void
+#  define DLL_STDCALL
+#endif
+
 DLL_GIVEFNPTRSTODLL GiveFnptrsToDll (enginefuncs_t *functionTable, globalvars_t *pGlobals) {
    // this is the very first function that is called in the game DLL by the game. Its purpose
    // is to set the functions interfacing up, by exchanging the functionTable function list
@@ -990,30 +1010,22 @@ DLL_GIVEFNPTRSTODLL GiveFnptrsToDll (enginefuncs_t *functionTable, globalvars_t
    if (game.postload ()) {
       return;
    }
-   auto api_GiveFnptrsToDll = game.getLib ().resolve <void (STD_CALL *) (enginefuncs_t *, globalvars_t *)> ("GiveFnptrsToDll");
+   auto api_GiveFnptrsToDll = game.lib ().resolve <void (DLL_STDCALL *) (enginefuncs_t *, globalvars_t *)> (__FUNCTION__);
 
-   assert (api_GiveFnptrsToDll != nullptr);
+   if (!api_GiveFnptrsToDll) {
+      logger.fatal ("Could not resolve symbol \"%s\" in the game dll.", __FUNCTION__);
+   }
    GetEngineFunctions (functionTable, nullptr);
 
    // give the engine functions to the other DLL...
-   api_GiveFnptrsToDll (functionTable, pGlobals);
-}
-
-DLL_ENTRYPOINT {
-   // dynamic library entry point, can be used for uninitialization stuff. NOT for initializing
-   // anything because if you ever attempt to wander outside the scope of this function on a
-   // DLL attach, LoadLibrary() will simply fail. And you can't do I/Os here either.
-
-   // dynamic library detaching ??
-   if (DLL_DETACHING) {
-      waypoints.init (); // free everything that's freeable
+   if (api_GiveFnptrsToDll) {
+      api_GiveFnptrsToDll (functionTable, pGlobals);
    }
-   DLL_RETENTRY; // the return data type is OS specific too
 }
 
 void helper_LinkEntity (EntityFunction &addr, const char *name, entvars_t *pev) {
    if (addr == nullptr) {
-      addr = game.getLib ().resolve <EntityFunction> (name);
+      addr = game.lib ().resolve <EntityFunction> (name);
    }
 
    if (addr == nullptr) {
@@ -1022,10 +1034,10 @@ void helper_LinkEntity (EntityFunction &addr, const char *name, entvars_t *pev)
    addr (pev);
 }
 
-#define LINK_ENTITY(entityName)                              \
-   SHARED_LIBRARAY_EXPORT void entityName (entvars_t *pev) { \
-      static EntityFunction addr;                             \
-      helper_LinkEntity (addr, #entityName, pev);            \
+#define LINK_ENTITY(entityName)                    \
+   CR_EXPORT void entityName (entvars_t *pev) {    \
+      static EntityFunction addr;                  \
+      helper_LinkEntity (addr, #entityName, pev);  \
    }
 
 // entities in counter-strike...

source/support.cpp

@@ -10,7 +10,7 @@
 
 ConVar yb_display_welcome_text ("yb_display_welcome_text", "1");
 
-BotUtils::BotUtils (void) {
+BotUtils::BotUtils () {
    m_needToSendWelcome = false;
    m_welcomeReceiveTime = 0.0f;
 
@@ -32,47 +32,30 @@ BotUtils::BotUtils (void) {
    m_sentences.push ("attention, expect experimental armed hostile presence");
    m_sentences.push ("warning, medical attention required");
 
-   m_tags.push ({ "[[", "]]" });
-   m_tags.push ({ "-=", "=-" });
-   m_tags.push ({ "-[", "]-" });
-   m_tags.push ({ "-]", "[-" });
-   m_tags.push ({ "-}", "{-" });
-   m_tags.push ({ "-{", "}-" });
-   m_tags.push ({ "<[", "]>" });
-   m_tags.push ({ "<]", "[>" });
-   m_tags.push ({ "[-", "-]" });
-   m_tags.push ({ "]-", "-[" });
-   m_tags.push ({ "{-", "-}" });
-   m_tags.push ({ "}-", "-{" });
-   m_tags.push ({ "[", "]" });
-   m_tags.push ({ "{", "}" });
-   m_tags.push ({ "<", "[" });
-   m_tags.push ({ ">", "<" });
-   m_tags.push ({ "-", "-" });
-   m_tags.push ({ "|", "|" });
-   m_tags.push ({ "=", "=" });
-   m_tags.push ({ "+", "+" });
-   m_tags.push ({ "(", ")" });
-   m_tags.push ({ ")", "(" });
+   m_tags.emplace ("[[", "]]");
+   m_tags.emplace ("-=", "=-");
+   m_tags.emplace ("-[", "]-");
+   m_tags.emplace ("-]", "[-");
+   m_tags.emplace ("-}", "{-");
+   m_tags.emplace ("-{", "}-");
+   m_tags.emplace ("<[", "]>");
+   m_tags.emplace ("<]", "[>");
+   m_tags.emplace ("[-", "-]");
+   m_tags.emplace ("]-", "-[");
+   m_tags.emplace ("{-", "-}");
+   m_tags.emplace ("}-", "-{");
+   m_tags.emplace ("[", "]");
+   m_tags.emplace ("{", "}");
+   m_tags.emplace ("<", "[");
+   m_tags.emplace (">", "<");
+   m_tags.emplace ("-", "-");
+   m_tags.emplace ("|", "|");
+   m_tags.emplace ("=", "=");
+   m_tags.emplace ("+", "+");
+   m_tags.emplace ("(", ")");
+   m_tags.emplace (")", "(");
 
-   m_clients.resize (MAX_ENGINE_PLAYERS + 1);
-}
-
-const char *BotUtils::format (const char *format, ...) {
-   static char strBuffer[2][MAX_PRINT_BUFFER];
-   static int rotator = 0;
-
-   if (format == nullptr) {
-      return strBuffer[rotator];
-   }
-   static char *ptr = strBuffer[rotator ^= 1];
-
-   va_list ap;
-   va_start (ap, format);
-   vsnprintf (ptr, MAX_PRINT_BUFFER - 1, format, ap);
-   va_end (ap);
-
-   return ptr;
+   m_clients.resize (kGameMaxPlayers + 1);
 }
 
 bool BotUtils::isAlive (edict_t *ent) {
@@ -90,7 +73,7 @@ float BotUtils::getShootingCone (edict_t *ent, const Vector &position) {
 }
 
 bool BotUtils::isInViewCone (const Vector &origin, edict_t *ent) {
-   return getShootingCone (ent, origin) >= cr::cosf (cr::deg2rad ((ent->v.fov > 0 ? ent->v.fov : 90.0f) * 0.5f));
+   return getShootingCone (ent, origin) >= cr::cosf (cr::degreesToRadians ((ent->v.fov > 0 ? ent->v.fov : 90.0f) * 0.5f));
 }
 
 bool BotUtils::isVisible (const Vector &origin, edict_t *ent) {
@@ -98,7 +81,7 @@ bool BotUtils::isVisible (const Vector &origin, edict_t *ent) {
       return false;
    }
    TraceResult tr;
-   game.testLine (ent->v.origin + ent->v.view_ofs, origin, TRACE_IGNORE_EVERYTHING, ent, &tr);
+   game.testLine (ent->v.origin + ent->v.view_ofs, origin, TraceIgnore::Everything, ent, &tr);
 
    if (tr.flFraction != 1.0f) {
       return false;
@@ -109,13 +92,10 @@ bool BotUtils::isVisible (const Vector &origin, edict_t *ent) {
 void BotUtils::traceDecals (entvars_t *pev, TraceResult *trace, int logotypeIndex) {
    // this function draw spraypaint depending on the tracing results.
 
-   static StringArray logotypes;
+   auto logo = conf.getRandomLogoName (logotypeIndex);
 
-   if (logotypes.empty ()) {
-      logotypes = String ("{biohaz;{graf003;{graf004;{graf005;{lambda06;{target;{hand1;{spit2;{bloodhand6;{foot_l;{foot_r").split (";");
-   }
    int entityIndex = -1, message = TE_DECAL;
-   int decalIndex = engfuncs.pfnDecalIndex (logotypes[logotypeIndex].chars ());
+   int decalIndex = engfuncs.pfnDecalIndex (logo.chars ());
 
    if (decalIndex < 0) {
       decalIndex = engfuncs.pfnDecalIndex ("{lambda06");
@@ -151,7 +131,7 @@ void BotUtils::traceDecals (entvars_t *pev, TraceResult *trace, int logotypeInde
       }
    }
 
-   if (logotypes[logotypeIndex].contains ("{")) {
+   if (logo.startsWith ("{")) {
       MessageWriter (MSG_BROADCAST, SVC_TEMPENTITY)
          .writeByte (TE_PLAYERDECAL)
          .writeByte (game.indexOfEntity (pev->pContainingEntity))
@@ -187,14 +167,14 @@ bool BotUtils::isPlayer (edict_t *ent) {
       return false;
    }
 
-   if ((ent->v.flags & (FL_CLIENT | FL_FAKECLIENT)) || bots.getBot (ent) != nullptr) {
+   if ((ent->v.flags & (FL_CLIENT | FL_FAKECLIENT)) || bots[ent] != nullptr) {
       return !isEmptyStr (STRING (ent->v.netname));
    }
    return false;
 }
 
 bool BotUtils::isPlayerVIP (edict_t *ent) {
-   if (!game.mapIs (MAP_AS)) {
+   if (!game.mapIs (MapFlags::Assassination)) {
       return false;
    }
 
@@ -205,14 +185,14 @@ bool BotUtils::isPlayerVIP (edict_t *ent) {
 }
 
 bool BotUtils::isFakeClient (edict_t *ent) {
-   if (bots.getBot (ent) != nullptr || (!game.isNullEntity (ent) && (ent->v.flags & FL_FAKECLIENT))) {
+   if (bots[ent] != nullptr || (!game.isNullEntity (ent) && (ent->v.flags & FL_FAKECLIENT))) {
       return true;
    }
    return false;
 }
 
 bool BotUtils::openConfig (const char *fileName, const char *errorIfNotExists, MemFile *outFile, bool languageDependant /*= false*/) {
-   if (outFile->isValid ()) {
+   if (*outFile) {
       outFile->close ();
    }
 
@@ -225,165 +205,75 @@ bool BotUtils::openConfig (const char *fileName, const char *errorIfNotExists, M
       if (strcmp (fileName, "lang.cfg") == 0 && strcmp (yb_language.str (), "en") == 0) {
          return false;
       }
-      const char *langConfig = format ("%s/lang/%s_%s", configDir, yb_language.str (), fileName);
-
-      // check file existence
-      int size = 0;
-      uint8 *buffer = nullptr;
+      auto langConfig = strings.format ("%s/lang/%s_%s", configDir, yb_language.str (), fileName);
 
       // check is file is exists for this language
-      if ((buffer = MemoryLoader::ref ().load (langConfig, &size)) != nullptr) {
-         MemoryLoader::ref ().unload (buffer);
-
-         // unload and reopen file using MemoryFile
-         outFile->open (langConfig);
-      }
-      else {
-         outFile->open (format ("%s/lang/en_%s", configDir, fileName));
+      if (!outFile->open (langConfig)) {
+         outFile->open (strings.format ("%s/lang/en_%s", configDir, fileName));
       }
    }
    else {
-      outFile->open (format ("%s/%s", configDir, fileName));
+      outFile->open (strings.format ("%s/%s", configDir, fileName));
    }
 
-   if (!outFile->isValid ()) {
-      logEntry (true, LL_ERROR, errorIfNotExists);
+   if (!*outFile) {
+      logger.error (errorIfNotExists);
       return false;
    }
    return true;
 }
 
-void BotUtils::checkWelcome (void) {
+void BotUtils::checkWelcome () {
    // the purpose of this function, is  to send quick welcome message, to the listenserver entity.
 
-   if (game.isDedicated () || !yb_display_welcome_text.boolean () || !m_needToSendWelcome) {
+   if (game.isDedicated () || !yb_display_welcome_text.bool_ () || !m_needToSendWelcome) {
       return;
    }
    m_welcomeReceiveTime = 0.0f;
 
-   if (game.is (GAME_LEGACY)) {
-      m_needToSendWelcome = true;
-      return;
-   }
-   bool needToSendMsg = (waypoints.length () > 0 ? m_needToSendWelcome : true);
 
-   if (isAlive (game.getLocalEntity ()) && m_welcomeReceiveTime < 1.0 && needToSendMsg) {
+   bool needToSendMsg = (graph.length () > 0 ? m_needToSendWelcome : true);
+   auto receiveEntity = game.getLocalEntity ();
+
+   if (isAlive (receiveEntity) && m_welcomeReceiveTime < 1.0 && needToSendMsg) {
       m_welcomeReceiveTime = game.timebase () + 4.0f; // receive welcome message in four seconds after game has commencing
    }
 
-   if (m_welcomeReceiveTime > 0.0f && needToSendMsg) {
-      if (!game.is (GAME_MOBILITY | GAME_XASH_ENGINE)) {
-         game.execCmd ("speak \"%s\"", m_sentences.random ().chars ());
-      }
-      game.chatPrint ("----- %s v%s (Build: %u), {%s}, (c) %s, by %s (%s)-----", PRODUCT_SHORT_NAME, PRODUCT_VERSION, buildNumber (), PRODUCT_DATE, PRODUCT_END_YEAR, PRODUCT_AUTHOR, PRODUCT_URL);
 
-      MessageWriter (MSG_ONE, SVC_TEMPENTITY, Vector::null (), game.getLocalEntity ())
+   if (m_welcomeReceiveTime > 0.0f && needToSendMsg) {
+      if (!game.is (GameFlags::Mobility | GameFlags::Xash3D)) {
+         game.serverCommand ("speak \"%s\"", m_sentences.random ().chars ());
+      }
+
+      MessageWriter (MSG_ONE, game.getMessageId (NetMsg::TextMsg), nullvec, receiveEntity)
+         .writeByte (HUD_PRINTTALK)
+         .writeString (strings.format ("----- %s v%s (Build: %u), {%s}, (c) %s, by %s (%s)-----", PRODUCT_SHORT_NAME, PRODUCT_VERSION, buildNumber (), PRODUCT_DATE, PRODUCT_END_YEAR, PRODUCT_AUTHOR, PRODUCT_URL));
+
+      MessageWriter (MSG_ONE, SVC_TEMPENTITY, nullvec, receiveEntity)
          .writeByte (TE_TEXTMESSAGE)
          .writeByte (1)
-         .writeShort (MessageWriter::fs16 (-1, 1 << 13))
-         .writeShort (MessageWriter::fs16 (-1, 1 << 13))
+         .writeShort (MessageWriter::fs16 (-1.0f, 13.0f))
+         .writeShort (MessageWriter::fs16 (-1.0f, 13.0f))
          .writeByte (2)
-         .writeByte (rng.getInt (33, 255))
-         .writeByte (rng.getInt (33, 255))
-         .writeByte (rng.getInt (33, 255))
+         .writeByte (rg.int_ (33, 255))
+         .writeByte (rg.int_ (33, 255))
+         .writeByte (rg.int_ (33, 255))
          .writeByte (0)
-         .writeByte (rng.getInt (230, 255))
-         .writeByte (rng.getInt (230, 255))
-         .writeByte (rng.getInt (230, 255))
+         .writeByte (rg.int_ (230, 255))
+         .writeByte (rg.int_ (230, 255))
+         .writeByte (rg.int_ (230, 255))
          .writeByte (200)
-         .writeShort (MessageWriter::fu16 (0.0078125f, 1 << 8))
-         .writeShort (MessageWriter::fu16 (2.0f, 1 << 8))
-         .writeShort (MessageWriter::fu16 (6.0f, 1 << 8))
-         .writeShort (MessageWriter::fu16 (0.1f, 1 << 8))
-         .writeString (format ("\nServer is running %s v%s (Build: %u)\nDeveloped by %s\n\n%s", PRODUCT_SHORT_NAME, PRODUCT_VERSION, buildNumber (), PRODUCT_AUTHOR, waypoints.getAuthor ()));
+         .writeShort (MessageWriter::fu16 (0.0078125f, 8.0f))
+         .writeShort (MessageWriter::fu16 (2.0f, 8.0f))
+         .writeShort (MessageWriter::fu16 (6.0f, 8.0f))
+         .writeShort (MessageWriter::fu16 (0.1f, 8.0f))
+         .writeString (strings.format ("\nServer is running %s v%s (Build: %u)\nDeveloped by %s\n\n%s", PRODUCT_SHORT_NAME, PRODUCT_VERSION, buildNumber (), PRODUCT_AUTHOR, graph.getAuthor ()));
 
       m_welcomeReceiveTime = 0.0f;
       m_needToSendWelcome = false;
    }
 }
 
-void BotUtils::logEntry (bool outputToConsole, int logLevel, const char *format, ...) {
-   // this function logs a message to the message log file root directory.
-
-   va_list ap;
-   char buffer[MAX_PRINT_BUFFER] = { 0, }, levelString[32] = { 0, };
-
-   va_start (ap, format);
-   vsnprintf (buffer, cr::bufsize (buffer), format, ap);
-   va_end (ap);
-
-   switch (logLevel) {
-   case LL_DEFAULT:
-      strcpy (levelString, "LOG: ");
-      break;
-
-   case LL_WARNING:
-      strcpy (levelString, "WARN: ");
-      break;
-
-   case LL_ERROR:
-      strcpy (levelString, "ERROR: ");
-      break;
-
-   case LL_FATAL:
-      strcpy (levelString, "FATAL: ");
-      break;
-   }
-
-   if (outputToConsole) {
-      game.print ("%s%s", levelString, buffer);
-   }
-
-   // now check if logging disabled
-   if (!(logLevel & LL_IGNORE)) {
-      extern ConVar yb_debug;
-
-      if (logLevel == LL_DEFAULT && yb_debug.integer () < 3) {
-         return; // no log, default logging is disabled
-      }
-
-      if (logLevel == LL_WARNING && yb_debug.integer () < 2) {
-         return; // no log, warning logging is disabled
-      }
-
-      if (logLevel == LL_ERROR && yb_debug.integer () < 1) {
-         return; // no log, error logging is disabled
-      }
-   }
-
-   // open file in a standard stream
-   File fp ("yapb.txt", "at");
-
-   // check if we got a valid handle
-   if (!fp.isValid ()) {
-      return;
-   }
-
-   time_t tickTime = time (&tickTime);
-   tm *time = localtime (&tickTime);
-
-   fp.writeFormat ("%02d:%02d:%02d --> %s%s\n", time->tm_hour, time->tm_min, time->tm_sec, levelString, buffer);
-   fp.close ();
-
-   if (logLevel == LL_FATAL) {
-      bots.kickEveryone (true);
-      waypoints.init ();
-
-#if defined(PLATFORM_WIN32)
-      DestroyWindow (GetForegroundWindow ());
-      MessageBoxA (GetActiveWindow (), buffer, "YaPB Error", MB_ICONSTOP);
-#else
-      printf ("%s\n", buffer);
-#endif
-
-#if defined(PLATFORM_WIN32)
-      _exit (1);
-#else
-      exit (1);
-#endif
-   }
-}
-
 bool BotUtils::findNearestPlayer (void **pvHolder, edict_t *to, float searchDistance, bool sameTeam, bool needBot, bool needAlive, bool needDrawn, bool needBotWithC4) {
    // this function finds nearest to to, player with set of parameters, like his
    // team, live status, search distance etc. if needBot is true, then pvHolder, will
@@ -395,11 +285,11 @@ bool BotUtils::findNearestPlayer (void **pvHolder, edict_t *to, float searchDist
    int toTeam = game.getTeam (to);
 
    for (const auto &client : m_clients) {
-      if (!(client.flags & CF_USED) || client.ent == to) {
+      if (!(client.flags & ClientFlags::Used) || client.ent == to) {
          continue;
       }
 
-      if ((sameTeam && client.team != toTeam) || (needAlive && !(client.flags & CF_ALIVE)) || (needBot && !isFakeClient (client.ent)) || (needDrawn && (client.ent->v.effects & EF_NODRAW)) || (needBotWithC4 && (client.ent->v.weapons & WEAPON_C4))) {
+      if ((sameTeam && client.team != toTeam) || (needAlive && !(client.flags & ClientFlags::Alive)) || (needBot && !isFakeClient (client.ent)) || (needDrawn && (client.ent->v.effects & EF_NODRAW)) || (needBotWithC4 && (client.ent->v.weapons & Weapon::C4))) {
          continue; // filter players with parameters
       }
       float distance = (client.ent->v.origin - to->v.origin).length ();
@@ -416,7 +306,7 @@ bool BotUtils::findNearestPlayer (void **pvHolder, edict_t *to, float searchDist
 
    // fill the holder
    if (needBot) {
-      *pvHolder = reinterpret_cast <void *> (bots.getBot (survive));
+      *pvHolder = reinterpret_cast <void *> (bots[survive]);
    }
    else {
       *pvHolder = reinterpret_cast <void *> (survive);
@@ -436,16 +326,16 @@ void BotUtils::attachSoundsToClients (edict_t *ent, const char *sample, float vo
    if (origin.empty ()) {
       return;
    }
-   int index = game.indexOfEntity (ent) - 1;
+   int index = game.indexOfPlayer (ent);
 
    if (index < 0 || index >= game.maxClients ()) {
       float nearestDistance = 99999.0f;
 
       // loop through all players
-      for (int i = 0; i < game.maxClients (); i++) {
+      for (int i = 0; i < game.maxClients (); ++i) {
          const Client &client = m_clients[i];
 
-         if (!(client.flags & CF_USED) || !(client.flags & CF_ALIVE)) {
+         if (!(client.flags & ClientFlags::Used) || !(client.flags & ClientFlags::Alive)) {
             continue;
          }
          float distance = (client.origin - origin).length ();
@@ -545,9 +435,9 @@ void BotUtils::simulateSoundUpdates (int playerIndex) {
    else {
       extern ConVar mp_footsteps;
 
-      if (mp_footsteps.boolean ()) {
+      if (mp_footsteps.bool_ ()) {
          // moves fast enough?
-         hearDistance = 1280.0f * (client.ent->v.velocity.length2D () / 260.0f);
+         hearDistance = 1280.0f * (client.ent->v.velocity.length2d () / 260.0f);
          timeSound = game.timebase () + 0.3f;
       }
    }
@@ -573,36 +463,129 @@ void BotUtils::simulateSoundUpdates (int playerIndex) {
    }
 }
 
-void BotUtils::updateClients (void) {
+void BotUtils::updateClients () {
+
    // record some stats of all players on the server
-   for (int i = 0; i < game.maxClients (); i++) {
-      edict_t *player = game.entityOfIndex (i + 1);
+   for (int i = 0; i < game.maxClients (); ++i) {
+      edict_t *player = game.playerOfIndex (i);
       Client &client = m_clients[i];
 
       if (!game.isNullEntity (player) && (player->v.flags & FL_CLIENT)) {
          client.ent = player;
-         client.flags |= CF_USED;
+         client.flags |= ClientFlags::Used;
 
          if (util.isAlive (player)) {
-            client.flags |= CF_ALIVE;
+            client.flags |= ClientFlags::Alive;
          }
          else {
-            client.flags &= ~CF_ALIVE;
+            client.flags &= ~ClientFlags::Alive;
          }
 
-         if (client.flags & CF_ALIVE) {
+         if (client.flags & ClientFlags::Alive) {
             client.origin = player->v.origin;
             simulateSoundUpdates (i);
          }
       }
       else {
-         client.flags &= ~(CF_USED | CF_ALIVE);
+         client.flags &= ~(ClientFlags::Used | ClientFlags::Alive);
          client.ent = nullptr;
       }
    }
 }
 
-int BotUtils::buildNumber (void) {
+int BotUtils::getPingBitmask (edict_t *ent, int loss, int ping) {
+   // this function generats bitmask for SVC_PINGS engine message. See SV_EmitPings from engine for details
+
+   const auto emit = [] (int s0, int s1, int s2) {
+      return (s0 & (cr::bit (s1) - 1)) << s2;
+   };
+   return emit (loss, 7, 18) | emit (ping, 12, 6) | emit (game.indexOfPlayer (ent), 5, 1) | 1;
+}
+
+void BotUtils::calculatePings () {
+   if (!game.is (GameFlags::HasFakePings) || yb_show_latency.int_ () != 2) {
+      return;
+   }
+
+   Twin <int, int> average { 0, 0 };
+   int numHumans = 0;
+
+   // first get average ping on server, and store real client pings
+   for (auto &client : m_clients) {
+      if (!(client.flags & ClientFlags::Used) || isFakeClient (client.ent)) {
+         continue;
+      }
+      int ping, loss;
+      engfuncs.pfnGetPlayerStats (client.ent, &ping, &loss);
+
+      // store normal client ping
+      client.ping = getPingBitmask (client.ent, loss, ping > 0 ? ping / 2 : rg.int_ (8, 16)); // getting player ping sometimes fails
+      client.pingUpdate = true; // force resend ping
+
+      numHumans++;
+
+      average.first += ping;
+      average.second += loss;
+   }
+
+   if (numHumans > 0) {
+      average.first /= numHumans;
+      average.second /= numHumans;
+   }
+   else {
+      average.first = rg.int_ (30, 40);
+      average.second = rg.int_ (5, 10);
+   }
+
+   // now calculate bot ping based on average from players
+   for (auto &client : m_clients) {
+      if (!(client.flags & ClientFlags::Used)) {
+         continue;
+      }
+      auto bot = bots[client.ent];
+
+      // we're only intrested in bots here
+      if (!bot) {
+         continue;
+      }
+      int part = static_cast <int> (average.first * 0.2f);
+
+      int botPing = bot->m_basePing + rg.int_ (average.first - part, average.first + part) + rg.int_ (bot->m_difficulty / 2, bot->m_difficulty);
+      int botLoss = rg.int_ (average.second / 2, average.second);
+
+      client.ping = getPingBitmask (client.ent, botLoss, botPing);
+      client.pingUpdate = true; // force resend ping
+   }
+}
+
+void BotUtils::sendPings (edict_t *to) {
+   MessageWriter msg;
+
+   // missing from sdk
+   constexpr int kGamePingSVC = 17;
+   
+   for (auto &client : m_clients) {
+      if (!(client.flags & ClientFlags::Used)) {
+         continue;
+      }
+      if (!client.pingUpdate) {
+         continue;
+      }
+      client.pingUpdate = false;
+
+      // no ping, no fun
+      if (!client.ping) {
+         client.ping = getPingBitmask (client.ent, rg.int_ (5, 10), rg.int_ (15, 40));
+      }
+
+      msg.start (MSG_ONE_UNRELIABLE, kGamePingSVC, nullvec, to)
+         .writeLong (client.ping)
+         .end ();
+   }
+   return;
+}
+
+int BotUtils::buildNumber () {
    // this function generates build number from the compiler date macros
 
    static int buildNumber = 0;
@@ -624,7 +607,7 @@ int BotUtils::buildNumber (void) {
    int i = 0;
 
    // go through all months, and calculate, days since year start
-   for (i = 0; i < 11; i++) {
+   for (i = 0; i < 11; ++i) {
       if (strncmp (&date[0], months[i], 3) == 0) {
          break; // found current month break
       }
@@ -655,38 +638,38 @@ int BotUtils::getWeaponAlias (bool needString, const char *weaponAlias, int weap
 
    // weapon enumeration
    WeaponTab_t weaponTab[] = {
-      {WEAPON_USP, "usp"}, // HK USP .45 Tactical
-      {WEAPON_GLOCK, "glock"}, // Glock18 Select Fire
-      {WEAPON_DEAGLE, "deagle"}, // Desert Eagle .50AE
-      {WEAPON_P228, "p228"}, // SIG P228
-      {WEAPON_ELITE, "elite"}, // Dual Beretta 96G Elite
-      {WEAPON_FIVESEVEN, "fn57"}, // FN Five-Seven
-      {WEAPON_M3, "m3"}, // Benelli M3 Super90
-      {WEAPON_XM1014, "xm1014"}, // Benelli XM1014
-      {WEAPON_MP5, "mp5"}, // HK MP5-Navy
-      {WEAPON_TMP, "tmp"}, // Steyr Tactical Machine Pistol
-      {WEAPON_P90, "p90"}, // FN P90
-      {WEAPON_MAC10, "mac10"}, // Ingram MAC-10
-      {WEAPON_UMP45, "ump45"}, // HK UMP45
-      {WEAPON_AK47, "ak47"}, // Automat Kalashnikov AK-47
-      {WEAPON_GALIL, "galil"}, // IMI Galil
-      {WEAPON_FAMAS, "famas"}, // GIAT FAMAS
-      {WEAPON_SG552, "sg552"}, // Sig SG-552 Commando
-      {WEAPON_M4A1, "m4a1"}, // Colt M4A1 Carbine
-      {WEAPON_AUG, "aug"}, // Steyr Aug
-      {WEAPON_SCOUT, "scout"}, // Steyr Scout
-      {WEAPON_AWP, "awp"}, // AI Arctic Warfare/Magnum
-      {WEAPON_G3SG1, "g3sg1"}, // HK G3/SG-1 Sniper Rifle
-      {WEAPON_SG550, "sg550"}, // Sig SG-550 Sniper
-      {WEAPON_M249, "m249"}, // FN M249 Para
-      {WEAPON_FLASHBANG, "flash"}, // Concussion Grenade
-      {WEAPON_EXPLOSIVE, "hegren"}, // High-Explosive Grenade
-      {WEAPON_SMOKE, "sgren"}, // Smoke Grenade
-      {WEAPON_ARMOR, "vest"}, // Kevlar Vest
-      {WEAPON_ARMORHELM, "vesthelm"}, // Kevlar Vest and Helmet
-      {WEAPON_DEFUSER, "defuser"}, // Defuser Kit
-      {WEAPON_SHIELD, "shield"}, // Tactical Shield
-      {WEAPON_KNIFE, "knife"} // Knife
+      {Weapon::USP, "usp"}, // HK USP .45 Tactical
+      {Weapon::Glock18, "glock"}, // Glock18 Select Fire
+      {Weapon::Deagle, "deagle"}, // Desert Eagle .50AE
+      {Weapon::P228, "p228"}, // SIG P228
+      {Weapon::Elite, "elite"}, // Dual Beretta 96G Elite
+      {Weapon::FiveSeven, "fn57"}, // FN Five-Seven
+      {Weapon::M3, "m3"}, // Benelli M3 Super90
+      {Weapon::XM1014, "xm1014"}, // Benelli XM1014
+      {Weapon::MP5, "mp5"}, // HK MP5-Navy
+      {Weapon::TMP, "tmp"}, // Steyr Tactical Machine Pistol
+      {Weapon::P90, "p90"}, // FN P90
+      {Weapon::MAC10, "mac10"}, // Ingram MAC-10
+      {Weapon::UMP45, "ump45"}, // HK UMP45
+      {Weapon::AK47, "ak47"}, // Automat Kalashnikov AK-47
+      {Weapon::Galil, "galil"}, // IMI Galil
+      {Weapon::Famas, "famas"}, // GIAT FAMAS
+      {Weapon::SG552, "sg552"}, // Sig SG-552 Commando
+      {Weapon::M4A1, "m4a1"}, // Colt M4A1 Carbine
+      {Weapon::AUG, "aug"}, // Steyr Aug
+      {Weapon::Scout, "scout"}, // Steyr Scout
+      {Weapon::AWP, "awp"}, // AI Arctic Warfare/Magnum
+      {Weapon::G3SG1, "g3sg1"}, // HK G3/SG-1 Sniper Rifle
+      {Weapon::SG550, "sg550"}, // Sig SG-550 Sniper
+      {Weapon::M249, "m249"}, // FN M249 Para
+      {Weapon::Flashbang, "flash"}, // Concussion Grenade
+      {Weapon::Explosive, "hegren"}, // High-Explosive Grenade
+      {Weapon::Smoke, "sgren"}, // Smoke Grenade
+      {Weapon::Armor, "vest"}, // Kevlar Vest
+      {Weapon::ArmorHelm, "vesthelm"}, // Kevlar Vest and Helmet
+      {Weapon::Defuser, "defuser"}, // Defuser Kit
+      {Weapon::Shield, "shield"}, // Tactical Shield
+      {Weapon::Knife, "knife"} // Knife
    };
 
    // if we need to return the string, find by weapon id