401 lines
9.7 KiB
C++
401 lines
9.7 KiB
C++
/**
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* vim: set ts=4 sw=4 tw=99 noet :
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* =============================================================================
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* SourceMod
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* Copyright (C) 2004-2010 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*/
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#include <ISmmPluginExt.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if defined _MSC_VER
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#define DLL_EXPORT extern "C" __declspec(dllexport)
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#define openlib(lib) LoadLibrary(lib)
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#define closelib(lib) FreeLibrary(lib)
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#define findsym(lib, sym) GetProcAddress(lib, sym)
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#define PLATFORM_EXT ".dll"
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#define vsnprintf _vsnprintf
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#define PATH_SEP_CHAR "\\"
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#include <Windows.h>
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#else
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#define DLL_EXPORT extern "C" __attribute__((visibility("default")))
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#define openlib(lib) dlopen(lib, RTLD_NOW)
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#define closelib(lib) dlclose(lib)
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#define findsym(lib, sym) dlsym(lib, sym)
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#if defined __linux__
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#define PLATFORM_EXT ".so"
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#elif defined __APPLE__
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#define PLATFORM_EXT ".dylib"
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#endif
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typedef void * HINSTANCE;
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#define PATH_SEP_CHAR "/"
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#include <dlfcn.h>
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#endif
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#if defined(_WIN64) || defined(__x86_64__)
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#define PLATFORM_ARCH_FOLDER "x64" PATH_SEP_CHAR
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#else
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#define PLATFORM_ARCH_FOLDER ""
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#endif
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#define METAMOD_API_MAJOR 2
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#define FILENAME_1_6_EP2 PLATFORM_ARCH_FOLDER "sourcemod.2.ep2" PLATFORM_EXT
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#define FILENAME_1_6_EP1 PLATFORM_ARCH_FOLDER "sourcemod.2.ep1" PLATFORM_EXT
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#define FILENAME_1_6_L4D PLATFORM_ARCH_FOLDER "sourcemod.2.l4d" PLATFORM_EXT
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#define FILENAME_1_6_DARKM PLATFORM_ARCH_FOLDER "sourcemod.2.darkm" PLATFORM_EXT
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#define FILENAME_1_6_L4D2 PLATFORM_ARCH_FOLDER "sourcemod.2.l4d2" PLATFORM_EXT
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#define FILENAME_1_6_SWARM PLATFORM_ARCH_FOLDER "sourcemod.2.swarm" PLATFORM_EXT
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#define FILENAME_1_6_BGT PLATFORM_ARCH_FOLDER "sourcemod.2.bgt" PLATFORM_EXT
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#define FILENAME_1_6_EYE PLATFORM_ARCH_FOLDER "sourcemod.2.eye" PLATFORM_EXT
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#define FILENAME_1_6_PORTAL2 PLATFORM_ARCH_FOLDER "sourcemod.2.portal2" PLATFORM_EXT
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#define FILENAME_1_6_CSGO PLATFORM_ARCH_FOLDER "sourcemod.2.csgo" PLATFORM_EXT
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#define FILENAME_1_6_CSS PLATFORM_ARCH_FOLDER "sourcemod.2.css" PLATFORM_EXT
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#define FILENAME_1_6_HL2DM PLATFORM_ARCH_FOLDER "sourcemod.2.hl2dm" PLATFORM_EXT
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#define FILENAME_1_6_DODS PLATFORM_ARCH_FOLDER "sourcemod.2.dods" PLATFORM_EXT
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#define FILENAME_1_6_SDK2013 PLATFORM_ARCH_FOLDER "sourcemod.2.sdk2013" PLATFORM_EXT
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#define FILENAME_1_6_TF2 PLATFORM_ARCH_FOLDER "sourcemod.2.tf2" PLATFORM_EXT
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#define FILENAME_1_6_ND PLATFORM_ARCH_FOLDER "sourcemod.2.nd" PLATFORM_EXT
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#define FILENAME_1_6_BLADE PLATFORM_ARCH_FOLDER "sourcemod.2.blade" PLATFORM_EXT
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#define FILENAME_1_6_INSURGENCY PLATFORM_ARCH_FOLDER "sourcemod.2.insurgency" PLATFORM_EXT
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#define FILENAME_1_6_DOI PLATFORM_ARCH_FOLDER "sourcemod.2.doi" PLATFORM_EXT
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#define FILENAME_1_6_CONTAGION PLATFORM_ARCH_FOLDER "sourcemod.2.contagion" PLATFORM_EXT
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#define FILENAME_1_6_BMS PLATFORM_ARCH_FOLDER "sourcemod.2.bms" PLATFORM_EXT
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HINSTANCE g_hCore = NULL;
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bool load_attempted = false;
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size_t UTIL_Format(char *buffer, size_t maxlength, const char *fmt, ...);
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class FailPlugin : public SourceMM::ISmmFailPlugin
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{
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public:
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int GetApiVersion()
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{
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return fail_version;
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}
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bool Load(SourceMM::PluginId id, SourceMM::ISmmAPI *ismm, char *error, size_t maxlength, bool late)
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{
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if (error != NULL && maxlength != 0)
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{
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UTIL_Format(error, maxlength, "%s", error_buffer);
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}
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return false;
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}
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int fail_version;
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char error_buffer[512];
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} s_FailPlugin;
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size_t UTIL_Format(char *buffer, size_t maxlength, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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size_t len = vsnprintf(buffer, maxlength, fmt, ap);
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va_end(ap);
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if (len >= maxlength)
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{
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len = maxlength - 1;
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buffer[len] = '\0';
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}
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return len;
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}
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METAMOD_PLUGIN *_GetPluginPtr(const char *path, int fail_api)
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{
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METAMOD_FN_ORIG_LOAD fn;
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METAMOD_PLUGIN *pl;
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int ret;
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if (!(g_hCore=openlib(path)))
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{
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#if defined __linux__ || defined __APPLE__
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UTIL_Format(s_FailPlugin.error_buffer,
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sizeof(s_FailPlugin.error_buffer),
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"%s",
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dlerror());
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#else
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DWORD err = GetLastError();
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if (FormatMessageA(
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FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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err,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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s_FailPlugin.error_buffer,
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sizeof(s_FailPlugin.error_buffer),
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NULL)
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== 0)
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{
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UTIL_Format(s_FailPlugin.error_buffer,
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sizeof(s_FailPlugin.error_buffer),
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"unknown error %x",
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err);
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}
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#endif
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s_FailPlugin.fail_version = fail_api;
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return (METAMOD_PLUGIN *)&s_FailPlugin;
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}
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if (!(fn=(METAMOD_FN_ORIG_LOAD)findsym(g_hCore, "CreateInterface")))
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{
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goto error;
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}
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pl = (METAMOD_PLUGIN *)fn(METAMOD_PLAPI_NAME, &ret);
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if (!pl)
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{
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goto error;
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}
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return pl;
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error:
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closelib(g_hCore);
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g_hCore = NULL;
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return NULL;
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}
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DLL_EXPORT METAMOD_PLUGIN *CreateInterface_MMS(const MetamodVersionInfo *mvi, const MetamodLoaderInfo *mli)
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{
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const char *filename;
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load_attempted = true;
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if (mvi->api_major > METAMOD_API_MAJOR)
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{
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return NULL;
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}
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switch (mvi->source_engine)
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{
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case SOURCE_ENGINE_ORIGINAL:
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case SOURCE_ENGINE_EPISODEONE:
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{
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filename = FILENAME_1_6_EP1;
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break;
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}
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case SOURCE_ENGINE_ORANGEBOX:
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{
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filename = FILENAME_1_6_EP2;
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break;
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}
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case SOURCE_ENGINE_LEFT4DEAD:
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{
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filename = FILENAME_1_6_L4D;
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break;
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}
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case SOURCE_ENGINE_DARKMESSIAH:
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{
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filename = FILENAME_1_6_DARKM;
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break;
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}
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case SOURCE_ENGINE_LEFT4DEAD2:
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{
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const char *gamedir = mvi->GetGameDir();
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if (strcmp(gamedir, "nucleardawn") == 0)
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{
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filename = FILENAME_1_6_ND;
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}
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else
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{
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filename = FILENAME_1_6_L4D2;
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}
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break;
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}
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case SOURCE_ENGINE_NUCLEARDAWN:
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{
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filename = FILENAME_1_6_ND;
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break;
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}
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case SOURCE_ENGINE_CONTAGION:
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{
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filename = FILENAME_1_6_CONTAGION;
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break;
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}
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case SOURCE_ENGINE_ALIENSWARM:
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{
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filename = FILENAME_1_6_SWARM;
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break;
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}
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case SOURCE_ENGINE_BLOODYGOODTIME:
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{
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filename = FILENAME_1_6_BGT;
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break;
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}
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case SOURCE_ENGINE_EYE:
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{
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filename = FILENAME_1_6_EYE;
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break;
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}
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case SOURCE_ENGINE_PORTAL2:
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{
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filename = FILENAME_1_6_PORTAL2;
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break;
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}
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case SOURCE_ENGINE_CSGO:
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{
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filename = FILENAME_1_6_CSGO;
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break;
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}
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case SOURCE_ENGINE_CSS:
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{
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filename = FILENAME_1_6_CSS;
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break;
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}
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case SOURCE_ENGINE_HL2DM:
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{
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filename = FILENAME_1_6_HL2DM;
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break;
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}
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case SOURCE_ENGINE_DODS:
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{
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filename = FILENAME_1_6_DODS;
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break;
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}
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case SOURCE_ENGINE_SDK2013:
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{
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filename = FILENAME_1_6_SDK2013;
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break;
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}
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case SOURCE_ENGINE_BMS:
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{
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filename = FILENAME_1_6_BMS;
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break;
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}
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case SOURCE_ENGINE_TF2:
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{
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filename = FILENAME_1_6_TF2;
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break;
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}
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case SOURCE_ENGINE_ORANGEBOXVALVE_DEPRECATED:
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{
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const char *gamedir = mvi->GetGameDir();
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if (strcmp(gamedir, "tf") == 0)
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{
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filename = FILENAME_1_6_TF2;
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}
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else if (strcmp(gamedir, "dod") == 0)
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{
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filename = FILENAME_1_6_DODS;
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}
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else if (strcmp(gamedir, "hl2mp") == 0)
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{
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filename = FILENAME_1_6_HL2DM;
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}
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else
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{
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return NULL;
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}
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break;
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}
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case SOURCE_ENGINE_BLADE:
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{
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filename = FILENAME_1_6_BLADE;
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break;
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}
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case SOURCE_ENGINE_INSURGENCY:
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{
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filename = FILENAME_1_6_INSURGENCY;
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break;
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}
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case SOURCE_ENGINE_DOI:
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{
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filename = FILENAME_1_6_DOI;
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break;
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}
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default:
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{
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return NULL;
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}
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}
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char abspath[256];
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UTIL_Format(abspath, sizeof(abspath), "%s" PATH_SEP_CHAR "%s", mli->pl_path, filename);
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return _GetPluginPtr(abspath, METAMOD_FAIL_API_V2);
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}
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DLL_EXPORT void UnloadInterface_MMS()
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{
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if (g_hCore)
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{
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closelib(g_hCore);
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g_hCore = NULL;
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}
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}
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#if defined _MSC_VER
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
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{
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if (fdwReason == DLL_PROCESS_DETACH)
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{
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UnloadInterface_MMS();
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}
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return TRUE;
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}
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#else
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__attribute__((destructor)) static void gcc_fini()
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{
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UnloadInterface_MMS();
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}
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#endif
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/* Overload a few things to prevent libstdc++ linking */
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#if defined __linux__ || defined __APPLE__
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extern "C" void __cxa_pure_virtual(void)
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{
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}
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void *operator new(size_t size)
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{
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return malloc(size);
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}
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void *operator new[](size_t size)
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{
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return malloc(size);
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}
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void operator delete(void *ptr)
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{
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free(ptr);
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}
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void operator delete[](void * ptr)
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{
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free(ptr);
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}
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#endif
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