505 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			505 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**
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|  * vim: set ts=4 :
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|  * =============================================================================
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|  * SourceMod SDKTools Extension
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|  * Copyright (C) 2004-2008 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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|  * Version: $Id$
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|  */
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| 
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| #include "tempents.h"
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| 
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| TempEntityManager g_TEManager;
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| ICallWrapper *g_GetServerClass = NULL;
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| 
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| CON_COMMAND(sm_print_telist, "Prints the temp entity list")
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| {
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| 	if (!g_TEManager.IsAvailable())
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| 	{
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| 		META_CONPRINT("The tempent portion of SDKTools failed to load.\n");
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| 		META_CONPRINT("Check that you have the latest sdktools.games.txt file!\n");
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| 		return;
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| 	}
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| 	g_TEManager.DumpList();
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| }
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| 
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| CON_COMMAND(sm_dump_teprops, "Dumps tempentity props to a file")
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| {
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| #if SOURCE_ENGINE <= SE_DARKMESSIAH
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| 	CCommand args;
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| #endif
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| 	if (!g_TEManager.IsAvailable())
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| 	{
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| 		META_CONPRINT("The tempent portion of SDKTools failed to load.\n");
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| 		META_CONPRINT("Check that you have the latest sdktools.games.txt file!\n");
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| 		return;
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| 	}
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| 	int argc = args.ArgC();
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| 	if (argc < 2)
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| 	{
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| 		META_CONPRINT("Usage: sm_dump_teprops <file>\n");
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| 		return;
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| 	}
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| 
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| 	const char *arg = args.Arg(1);
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| 
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| 	if (!arg || arg[0] == '\0')
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| 	{
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| 		META_CONPRINTF("Usage: sm_dump_teprops <file>\n");
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| 		return;
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| 	}
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| 
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| 	char path[PLATFORM_MAX_PATH];
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| 	g_pSM->BuildPath(Path_Game, path, sizeof(path), "%s", arg);
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| 
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| 	FILE *fp = NULL;
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| 	if ((fp = fopen(path, "wt")) == NULL)
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| 	{
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| 		META_CONPRINTF("Could not open file \"%s\"\n", path);
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| 		return;
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| 	}
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| 
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| 	g_TEManager.DumpProps(fp);
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| 
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| 	fclose(fp);
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| }
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| 
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| /*************************
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| *                        *
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| * Temp Entities Wrappers *
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| *                        *
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| **************************/
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| 
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| TempEntityInfo::TempEntityInfo(const char *name, void *me)
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| {
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| 	m_Name.assign(name);
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| 	m_Me = me;
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| 	g_GetServerClass->Execute(&m_Me, &m_Sc);
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| }
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| 
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| const char *TempEntityInfo::GetName()
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| {
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| 	return m_Name.c_str();
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| }
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| 
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| ServerClass *TempEntityInfo::GetServerClass()
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| {
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| 	return m_Sc;
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| }
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| 
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| bool TempEntityInfo::IsValidProp(const char *name)
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| {
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| 	return (g_pGameHelpers->FindInSendTable(m_Sc->GetName(), name)) ? true : false;
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| }
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| 
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| int TempEntityInfo::_FindOffset(const char *name, int *size)
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| {
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| 	int offset;
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| 
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| 	sm_sendprop_info_t info;
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| 	if (!g_pGameHelpers->FindSendPropInfo(m_Sc->GetName(), name, &info))
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| 	{
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| 		return -1;
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| 	}
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| 
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| 	offset = info.actual_offset;
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| 	if (size)
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| 	{
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| 		*size = info.prop->m_nBits;
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| 	}
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| 
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| 	return offset;
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| }
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| 
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| bool TempEntityInfo::TE_SetEntData(const char *name, int value)
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| {
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| 	/* Search for our offset */
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| 	int size;
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| 	int offset = _FindOffset(name, &size);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	if (size <= 8)
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| 	{
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| 		*((uint8_t *)m_Me + offset) = value;
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| 	} else if (size <= 16) {
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| 		*(short *)((uint8_t *)m_Me + offset) = value;
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| 	} else if (size <= 32) {
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| 		*(int *)((uint8_t *)m_Me + offset) = value;
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| 	} else {
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| 		return false;
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| 	}
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| 
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| 	return true;
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| }
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| 
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| bool TempEntityInfo::TE_GetEntData(const char *name, int *value)
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| {
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| 	/* Search for our offset */
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| 	int size;
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| 	int offset = _FindOffset(name, &size);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	if (size <= 8)
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| 	{
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| 		*value = *((uint8_t *)m_Me + offset);
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| 	} else if (size <= 16) {
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| 		*value = *(short *)((uint8_t *)m_Me + offset);
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| 	} else if (size <= 32) {
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| 		*value = *(int *)((uint8_t *)m_Me + offset);
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| 	} else {
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| 		return false;
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| 	}
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| 
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| 	return true;
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| }
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| 
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| bool TempEntityInfo::TE_SetEntDataFloat(const char *name, float value)
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| {
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| 	/* Search for our offset */
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| 	int offset = _FindOffset(name);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	*(float *)((uint8_t *)m_Me + offset) = value;
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| 
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| 	return true;
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| }
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| 
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| bool TempEntityInfo::TE_GetEntDataFloat(const char *name, float *value)
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| {
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| 	/* Search for our offset */
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| 	int offset = _FindOffset(name);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	*value = *(float *)((uint8_t *)m_Me + offset);
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| 
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| 	return true;
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| }
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| 
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| bool TempEntityInfo::TE_SetEntDataVector(const char *name, float vector[3])
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| {
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| 	/* Search for our offset */
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| 	int offset = _FindOffset(name);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	Vector *v = (Vector *)((uint8_t *)m_Me + offset);
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| 	v->x = vector[0];
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| 	v->y = vector[1];
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| 	v->z = vector[2];
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| 
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| 	return true;
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| }
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| 
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| bool TempEntityInfo::TE_GetEntDataVector(const char *name, float vector[3])
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| {
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| 	/* Search for our offset */
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| 	int offset = _FindOffset(name);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	Vector *v = (Vector *)((uint8_t *)m_Me + offset);
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| 	vector[0] = v->x;
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| 	vector[1] = v->y;
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| 	vector[2] = v->z;
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| 
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| 	return true;
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| }
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| 
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| bool TempEntityInfo::TE_SetEntDataFloatArray(const char *name, cell_t *array, int size)
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| {
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| 	/* Search for our offset */
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| 	int offset = _FindOffset(name);
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| 
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| 	if (offset < 0)
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| 	{
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| 		return false;
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| 	}
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| 
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| 	float *base = (float *)((uint8_t *)m_Me + offset);
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| 	for (int i=0; i<size; i++)
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| 	{
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| 		base[i] = sp_ctof(array[i]);
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| 	}
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| 
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| 	return true;
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| }
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| 
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| void TempEntityInfo::Send(IRecipientFilter &filter, float delay)
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| {
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| 	engine->PlaybackTempEntity(filter, delay, m_Me, m_Sc->m_pTable, m_Sc->m_ClassID);
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| }
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| 
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| /**********************
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| *                     *
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| * Temp Entity Manager *
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| *                     *
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| ***********************/
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| 
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| void TempEntityManager::Initialize()
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| {
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| 	void *addr;
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| 	int offset;
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| 	m_Loaded = false;
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| 
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| #if SOURCE_ENGINE == SE_TF2
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| 	m_ListHead = servertools->GetTempEntList();
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| #else
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| 	/*
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| 	 * First try to lookup s_pTempEntities directly for platforms with symbols.
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| 	 * If symbols aren't present (Windows or stripped Linux/Mac), 
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| 	 * attempt find via CBaseTempEntity ctor + offset
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| 	 */
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| 
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| 	/* Read our sigs and offsets from the config file */
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| 	if (g_pGameConf->GetMemSig("s_pTempEntities", &addr) && addr)
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| 	{
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| 		
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| 		/* Store the head of the TE linked list */
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| 		m_ListHead = *(void **)addr;
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| 	}
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| 	else if (g_pGameConf->GetMemSig("CBaseTempEntity", &addr) && addr)
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| 	{
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| 		if (!g_pGameConf->GetOffset("s_pTempEntities", &offset))
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| 		{
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| 			return;
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| 		}
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| 		/* Store the head of the TE linked list */
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| 		m_ListHead = **(void ***)((unsigned char *)addr + offset);
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| 	}
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| 	else
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| 	{
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| 		return;
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| 	}
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| #endif // == TF2
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| 
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| 	if (!g_pGameConf->GetOffset("GetTEName", &m_NameOffs))
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| 	{
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| 		return;
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| 	}
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| 	if (!g_pGameConf->GetOffset("GetTENext", &m_NextOffs))
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| 	{
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| 		return;
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| 	}
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| 	if (!g_pGameConf->GetOffset("TE_GetServerClass", &m_GetClassNameOffs))
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| 	{
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| 		return;
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| 	}
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| 
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| 	/* Create our trie */
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| 	m_TempEntInfo = adtfactory->CreateBasicTrie();
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| 
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| 	/* Create the GetServerClass call */
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| 	PassInfo retinfo;
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| 	retinfo.flags = PASSFLAG_BYVAL;
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| 	retinfo.type = PassType_Basic;
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| 	retinfo.size = sizeof(ServerClass *);
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| 	g_GetServerClass = g_pBinTools->CreateVCall(m_GetClassNameOffs, 0, 0, &retinfo, NULL, 0);
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| 
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| 	/* We're done */
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| 	m_Loaded = true;
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| }
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| 
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| bool TempEntityManager::IsAvailable()
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| {
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| 	return m_Loaded;
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| }
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| 
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| void TempEntityManager::Shutdown()
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| {
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| 	if (!IsAvailable())
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| 	{
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| 		return;
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| 	}
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| 
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| 	SourceHook::List<TempEntityInfo *>::iterator iter;
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| 	for (iter=m_TEList.begin(); iter!=m_TEList.end(); iter++)
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| 	{
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| 		delete (*iter);
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| 	}
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| 	m_TEList.clear();
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| 
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| 	m_TempEntInfo->Destroy();
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| 	g_GetServerClass->Destroy();
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| 	g_GetServerClass = NULL;
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| 	m_ListHead = NULL;
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| 	m_NextOffs = m_NameOffs = m_GetClassNameOffs = 0;
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| 	m_Loaded = false;
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| }
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| 
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| TempEntityInfo *TempEntityManager::GetTempEntityInfo(const char *name)
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| {
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| 	/* If the system is unloaded skip the search */
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| 	if (!IsAvailable())
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| 	{
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| 		return NULL;
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| 	}
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| 
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| 	TempEntityInfo *te = NULL;
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| 
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| 	/* Start searching for the TE inside the engine */
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| 	if (!m_TempEntInfo->Retrieve(name, reinterpret_cast<void **>(&te)))
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| 	{
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| 		void *iter = m_ListHead;
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| 		while (iter)
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| 		{
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| 			const char *realname = *(const char **)((unsigned char *)iter + m_NameOffs);
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| 			if (!realname)
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| 			{
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| 				continue;
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| 			}
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| 			if (strcmp(name, realname) == 0)
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| 			{
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| 				te = new TempEntityInfo(name, iter);
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| 				m_TempEntInfo->Insert(name, (void *)te);
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| 				m_TEList.push_back(te);
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| 				return te;
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| 			}
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| 			iter = *(void **)((unsigned char *)iter + m_NextOffs);
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| 		}
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| 		return NULL;
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| 	}
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| 
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| 	return te;
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| }
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| 
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| const char *TempEntityManager::GetNameFromThisPtr(void *me)
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| {
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| 	return *(const char **)((unsigned char *)me + m_NameOffs);
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| }
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| 
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| void TempEntityManager::DumpList()
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| {
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| 	unsigned int index = 0;
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| 	META_CONPRINT("Listing temp entities:\n");
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| 	void *iter = m_ListHead;
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| 	while (iter)
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| 	{
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| 		const char *realname = *(const char **)((unsigned char *)iter + m_NameOffs);
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| 		if (!realname)
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| 		{
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| 			break;
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| 		}
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| 		TempEntityInfo *info = GetTempEntityInfo(realname);
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| 		if (!info)
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| 		{
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| 			continue;
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| 		}
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| 		ServerClass *sc = info->GetServerClass();
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| 		META_CONPRINTF("[%02d] %s (%s)\n", index++, realname, sc->GetName());
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| 		iter = *(void **)((unsigned char *)iter + m_NextOffs);
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| 	}
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| 	META_CONPRINTF("%d tempent%s found.\n", index, (index == 1) ? " was" : "s were");
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| }
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| 
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| const char *SendPropTypeToString(SendPropType type)
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| {
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| 	if (type == DPT_Int)
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| 	{
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| 		return "int";
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| 	} else if (type == DPT_Float) {
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| 		return "float";
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| 	} else if (type == DPT_Vector) {
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| 		return "vector";
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| 	} else if (type == DPT_String) {
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| 		return "string";
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| 	} else if (type == DPT_Array) {
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| 		return "array";
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| 	} else if (type == DPT_DataTable) {
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| 		return "datatable";
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| 	} else {
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| 		return "unknown";
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| 	}
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| }
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| 
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| void _DumpProps(FILE *fp, SendTable *pTable)
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| {
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| 	SendTable *pOther;
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| 	for (int i=0; i<pTable->GetNumProps(); i++)
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| 	{
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| 		SendProp *prop = pTable->GetProp(i);
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| 		if ((pOther = prop->GetDataTable()) != NULL)
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| 		{
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| 			_DumpProps(fp, pOther);
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| 		} else {
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| 			fprintf(fp, "\t\t\t\"%s\"\t\t\"%s\"\n", 
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| 				prop->GetName() ? prop->GetName() : "unknown",
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| 				SendPropTypeToString(prop->GetType()));
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| 		}
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| 	}
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| }
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| 
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| void TempEntityManager::DumpProps(FILE *fp)
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| {
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| 	unsigned int index = 0;
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| 	void *iter = m_ListHead;
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| 	fprintf(fp, "\"TempEnts\"\n{\n");
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| 	while (iter)
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| 	{
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| 		const char *realname = *(const char **)((unsigned char *)iter + m_NameOffs);
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| 		if (!realname)
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| 		{
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| 			break;
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| 		}
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| 		TempEntityInfo *info = GetTempEntityInfo(realname);
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| 		if (!info)
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| 		{
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| 			continue;
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| 		}
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| 		ServerClass *sc = info->GetServerClass();
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| 		fprintf(fp, "\t\"%s\"\n", sc->GetName());
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| 		fprintf(fp, "\t{\n");
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| 		fprintf(fp, "\t\t\"name\"\t\t\"%s\"\n", realname);
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| 		fprintf(fp, "\t\t\"index\"\t\t\"%d\"\n", index++);
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| 		fprintf(fp, "\t\t\"SendTable\"\n\t\t{\n");
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| 		_DumpProps(fp, sc->m_pTable);
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| 		fprintf(fp, "\t\t}\n\t}\n");
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| 		iter = *(void **)((unsigned char *)iter + m_NextOffs);
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| 	}
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| 	fprintf(fp, "}\n");
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| 	META_CONPRINTF("%d tempent%s written to file.\n", index, (index == 1) ? " was" : "s were");
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| }
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