160 lines
4 KiB
C
160 lines
4 KiB
C
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//
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// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
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// Copyright (c) YaPB Development Team.
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//
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// This software is licensed under the BSD-style license.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// http://yapb.jeefo.net/license
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//
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#pragma once
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// detects the build platform
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#if defined (__linux__) || defined (__debian__) || defined (__linux)
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#define PLATFORM_LINUX 1
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#elif defined (__APPLE__)
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#define PLATFORM_OSX 1
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#elif defined (_WIN32)
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#define PLATFORM_WIN32 1
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#endif
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// detects the compiler
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#if defined (_MSC_VER)
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#define COMPILER_VISUALC _MSC_VER
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#elif defined (__MINGW32__)
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#define COMPILER_MINGW32 __MINGW32__
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#endif
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// configure export macros
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#if defined (COMPILER_VISUALC) || defined (COMPILER_MINGW32)
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#define export extern "C" __declspec (dllexport)
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#elif defined (PLATFORM_LINUX) || defined (PLATFORM_OSX)
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#define export extern "C" __attribute__((visibility("default")))
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#else
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#error "Can't configure export macros. Compiler unrecognized."
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#endif
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// operating system specific macros, functions and typedefs
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#ifdef PLATFORM_WIN32
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#include <direct.h>
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#define DLL_ENTRYPOINT int STDCALL DllMain (HINSTANCE, DWORD dwReason, LPVOID)
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#define DLL_DETACHING (dwReason == DLL_PROCESS_DETACH)
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#define DLL_RETENTRY return TRUE
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#if defined (COMPILER_VISUALC)
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#define DLL_GIVEFNPTRSTODLL extern "C" void STDCALL
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#elif defined (COMPILER_MINGW32)
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#define DLL_GIVEFNPTRSTODLL export void STDCALL
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#endif
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// specify export parameter
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#if defined (COMPILER_VISUALC) && (COMPILER_VISUALC > 1000)
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#pragma comment (linker, "/EXPORT:GiveFnptrsToDll=_GiveFnptrsToDll@8,@1")
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#pragma comment (linker, "/SECTION:.data,RW")
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#endif
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typedef int (FAR *EntityAPI_t) (gamefuncs_t *, int);
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typedef int (FAR *NewEntityAPI_t) (newgamefuncs_t *, int *);
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typedef int (FAR *BlendAPI_t) (int, void **, void *, float (*)[3][4], float (*)[128][3][4]);
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typedef void (STDCALL *FuncPointers_t) (enginefuncs_t *, globalvars_t *);
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typedef void (FAR *EntityPtr_t) (entvars_t *);
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#elif defined (PLATFORM_LINUX) || defined (PLATFORM_OSX)
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#include <unistd.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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#define DLL_ENTRYPOINT __attribute__((destructor)) void _fini (void)
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#define DLL_DETACHING TRUE
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#define DLL_RETENTRY return
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#define DLL_GIVEFNPTRSTODLL extern "C" void __attribute__((visibility("default")))
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#if defined (__ANDROID__)
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#define PLATFORM_ANDROID 1
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#endif
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typedef int (*EntityAPI_t) (gamefuncs_t *, int);
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typedef int (*NewEntityAPI_t) (newgamefuncs_t *, int *);
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typedef int (*BlendAPI_t) (int, void **, void *, float (*)[3][4], float (*)[128][3][4]);
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typedef void (*FuncPointers_t) (enginefuncs_t *, globalvars_t *);
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typedef void (*EntityPtr_t) (entvars_t *);
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#else
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#error "Platform unrecognized."
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#endif
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// library wrapper
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class Library
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{
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private:
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void *m_ptr;
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public:
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Library (const char *fileName)
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{
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m_ptr = NULL;
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if (fileName == NULL)
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return;
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LoadLib (fileName);
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}
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~Library (void)
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{
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if (!IsLoaded ())
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return;
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#ifdef PLATFORM_WIN32
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FreeLibrary ((HMODULE) m_ptr);
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#else
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dlclose (m_ptr);
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#endif
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}
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public:
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inline void *LoadLib (const char *fileName)
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{
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#ifdef PLATFORM_WIN32
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m_ptr = LoadLibrary (fileName);
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#else
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m_ptr = dlopen (fileName, RTLD_NOW);
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#endif
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return m_ptr;
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}
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template <typename R> R GetFuncAddr (const char *function)
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{
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if (!IsLoaded ())
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return NULL;
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#ifdef PLATFORM_WIN32
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return reinterpret_cast <R> (GetProcAddress (static_cast <HMODULE> (m_ptr), function));
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#else
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return reinterpret_cast <R> (dlsym (m_ptr, function));
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#endif
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}
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template <typename R> R GetHandle (void)
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{
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return (R) m_ptr;
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}
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inline bool IsLoaded (void) const
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{
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return m_ptr != NULL;
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}
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};
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