2007-08-01 20:22:53 +02:00
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/**
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* vim: set ts=4 :
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2007-08-15 08:19:30 +02:00
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* =============================================================================
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2007-08-01 20:22:53 +02:00
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* SourceMod SDKTools Extension
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* Copyright (C) 2004-2007 AlliedModders LLC. All rights reserved.
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2007-08-15 08:19:30 +02:00
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* =============================================================================
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2007-08-01 20:22:53 +02:00
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*
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2007-08-15 08:19:30 +02:00
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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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2007-08-01 20:22:53 +02:00
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*
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2007-08-15 08:19:30 +02:00
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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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2007-08-01 20:22:53 +02:00
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*
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2007-08-15 08:19:30 +02:00
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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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2007-08-01 20:22:53 +02:00
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*
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2007-08-15 08:19:30 +02:00
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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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2007-08-01 20:50:27 +02:00
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*
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* Version: $Id$
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*/
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#include "extension.h"
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void **g_pGameRules = NULL;
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void *g_EntList = NULL;
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#ifdef PLATFORM_WINDOWS
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void InitializeValveGlobals()
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{
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char *addr = NULL;
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int offset;
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2007-11-24 00:24:40 +01:00
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/* gEntList and/or g_pEntityList */
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if (!g_pGameConf->GetMemSig("LevelShutdown", (void **)&addr) || !addr)
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2007-08-01 20:50:27 +02:00
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{
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return;
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}
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2007-11-24 00:24:40 +01:00
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if (!g_pGameConf->GetOffset("gEntList", &offset) || !offset)
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2007-08-01 20:50:27 +02:00
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{
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return;
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}
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2007-11-24 00:24:40 +01:00
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g_EntList = *reinterpret_cast<void **>(addr + offset);
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2007-08-01 20:50:27 +02:00
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2007-11-24 00:24:40 +01:00
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/* g_pGameRules */
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if (!g_pGameConf->GetMemSig("CreateGameRulesObject", (void **)&addr) || !addr)
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2007-08-01 20:50:27 +02:00
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{
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return;
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}
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2007-11-24 00:24:40 +01:00
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if (!g_pGameConf->GetOffset("g_pGameRules", &offset) || !offset)
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2007-08-01 20:50:27 +02:00
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{
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return;
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}
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2007-11-24 00:24:40 +01:00
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g_pGameRules = *reinterpret_cast<void ***>(addr + offset);
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2007-08-01 20:50:27 +02:00
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}
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#elif defined PLATFORM_LINUX
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void InitializeValveGlobals()
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{
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char *addr = NULL;
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2007-11-24 00:24:40 +01:00
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/* gEntList and/or g_pEntityList */
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if (!g_pGameConf->GetMemSig("gEntList", (void **)&addr) || !addr)
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2007-08-01 20:50:27 +02:00
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{
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return;
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}
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2007-11-24 00:24:40 +01:00
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g_EntList = reinterpret_cast<void *>(addr);
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2007-08-01 20:50:27 +02:00
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2007-11-24 00:24:40 +01:00
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/* g_pGameRules */
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if (!g_pGameConf->GetMemSig("g_pGameRules", (void **)&addr) || !addr)
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2007-08-01 20:50:27 +02:00
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{
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return;
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}
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2007-11-24 00:24:40 +01:00
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g_pGameRules = reinterpret_cast<void **>(addr);
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2007-08-01 20:50:27 +02:00
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}
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#endif
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2007-12-06 03:25:35 +01:00
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#if defined PLATFORM_WINDOWS
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/* Thanks to DS for the sigs */
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#define ISERVER_WIN_SIG "\x8B\x44\x24\x2A\x50\xB9\x2A\x2A\x2A\x2A\xE8"
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#define ISERVER_WIN_SIG_LEN 11
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void GetIServer()
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{
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/* First check that the IVEngineServer::CreateFakeClient exists */
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if (!memutils->FindPattern(engine, ISERVER_WIN_SIG, ISERVER_WIN_SIG_LEN))
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{
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return;
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}
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int offset;
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void *vfunc = NULL;
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/* Get the offset into CreateFakeClient */
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if (!g_pGameConf->GetOffset("sv", &offset))
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{
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return;
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}
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#if defined METAMOD_PLAPI_VERSION
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/* Get the CreateFakeClient function pointer */
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if (!(vfunc=SH_GET_ORIG_VFNPTR_ENTRY(engine, &IVEngineServer::CreateFakeClient)))
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{
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return;
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}
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/* Finally we have the interface we were looking for */
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iserver = *reinterpret_cast<IServer **>(reinterpret_cast<unsigned char *>(vfunc) + offset);
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#else
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/* Get the interface manually */
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SourceHook::MemFuncInfo info = {true, -1, 0, 0};
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SourceHook::GetFuncInfo(&IVEngineServer::CreateFakeClient, info);
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vfunc = enginePatch->GetOrigFunc(info.vtbloffs, info.vtblindex);
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if (!vfunc)
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{
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void **vtable = *reinterpret_cast<void ***>(enginePatch->GetThisPtr() + info.thisptroffs + info.vtbloffs);
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vfunc = vtable[info.vtblindex];
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}
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iserver = *reinterpret_cast<IServer **>(reinterpret_cast<unsigned char *>(vfunc) + offset);
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#endif
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}
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#elif defined PLATFORM_POSIX
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void GetIServer()
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{
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void *addr;
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if (!g_pGameConf->GetMemSig("sv", &addr) || !addr)
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{
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return;
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}
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iserver = *reinterpret_cast<IServer **>(addr);
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}
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#endif
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