71355066a4
add: set models for spawn points, only when requesting, instead of setting on every map start. fix: more translation fixes.
124 lines
2.5 KiB
C++
124 lines
2.5 KiB
C++
//
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// YaPB - Counter-Strike Bot based on PODBot by Markus Klinge.
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// Copyright © 2004-2020 YaPB Project <yapb@jeefo.net>.
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//
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// SPDX-License-Identifier: MIT
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//
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#pragma once
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#include <crlib/cr-basic.h>
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#include <crlib/cr-string.h>
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#if defined (CR_LINUX) || defined (CR_OSX)
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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 <unistd.h>
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#endif
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CR_NAMESPACE_BEGIN
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// handling dynamic library loading
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class SharedLibrary final : public DenyCopying {
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public:
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using Handle = void *;
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private:
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Handle handle_ = nullptr;
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public:
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explicit SharedLibrary () = default;
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SharedLibrary (StringRef file) {
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if (file.empty ()) {
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return;
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}
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load (file);
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}
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~SharedLibrary () {
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unload ();
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}
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public:
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bool load (StringRef file) noexcept {
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if (*this) {
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unload ();
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}
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#if defined (CR_WINDOWS)
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handle_ = LoadLibraryA (file.chars ());
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#elif defined (CR_OSX)
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handle_ = dlopen (file.chars (), RTLD_NOW | RTLD_LOCAL);
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#else
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handle_ = dlopen (file.chars (), RTLD_NOW | RTLD_DEEPBIND | RTLD_LOCAL);
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#endif
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return handle_ != nullptr;
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}
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bool locate (Handle address) {
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#if defined (CR_WINDOWS)
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MEMORY_BASIC_INFORMATION mbi;
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if (!VirtualQuery (address, &mbi, sizeof (mbi))) {
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return false;
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}
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if (mbi.State != MEM_COMMIT) {
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return false;
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}
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handle_ = reinterpret_cast <Handle> (mbi.AllocationBase);
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#else
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Dl_info dli;
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plat.bzero (&dli, sizeof (dli));
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if (dladdr (address, &dli)) {
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return load (dli.dli_fname);
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}
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#endif
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return handle_ != nullptr;
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}
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void unload () noexcept {
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if (!*this) {
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return;
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}
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#if defined (CR_WINDOWS)
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FreeLibrary (static_cast <HMODULE> (handle_));
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#else
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dlclose (handle_);
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#endif
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handle_ = nullptr;
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}
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template <typename R> R resolve (const char *function) const {
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if (!*this) {
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return nullptr;
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}
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return SharedLibrary::getSymbol <R> (handle (), function);
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}
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Handle handle () const {
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return handle_;
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}
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public:
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explicit operator bool () const {
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return handle_ != nullptr;
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}
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public:
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template <typename R> static inline R CR_STDCALL getSymbol (Handle module, const char *function) {
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return reinterpret_cast <R> (
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#if defined (CR_WINDOWS)
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GetProcAddress (static_cast <HMODULE> (module), function)
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#else
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dlsym (module, function)
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#endif
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);
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}
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};
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CR_NAMESPACE_END
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