647 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			647 lines
		
	
	
		
			17 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) 2004-2011 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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#include "extension.h"
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#include "gamerulesnatives.h"
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#include "vglobals.h"
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const char *g_szGameRulesProxy;
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void GameRulesNativesInit()
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{
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	g_szGameRulesProxy = g_pGameConf->GetKeyValue("GameRulesProxy");
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}
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static CBaseEntity *FindEntityByNetClass(int start, const char *classname)
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{
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	int maxEntities = gpGlobals->maxEntities;
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	for (int i = start; i < maxEntities; i++)
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	{
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		edict_t *current = gamehelpers->EdictOfIndex(i);
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		if (current == NULL)
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			continue;
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		IServerNetworkable *network = current->GetNetworkable();
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		if (network == NULL)
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			continue;
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		ServerClass *sClass = network->GetServerClass();
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		const char *name = sClass->GetName();
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		if (!strcmp(name, classname))
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			return gamehelpers->ReferenceToEntity(gamehelpers->IndexOfEdict(current));		
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	}
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	return NULL;
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}
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static CBaseEntity* GetGameRulesProxyEnt()
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{
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	static cell_t proxyEntRef = -1;
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	CBaseEntity *pProxy;
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	if (proxyEntRef == -1 || (pProxy = gamehelpers->ReferenceToEntity(proxyEntRef)) == NULL)
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	{
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		pProxy = FindEntityByNetClass(playerhelpers->GetMaxClients(), g_szGameRulesProxy);
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		proxyEntRef = gamehelpers->EntityToReference(pProxy);
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	}
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	return pProxy;
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}
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enum PropFieldType
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{
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	PropField_Unsupported,		/**< The type is unsupported. */
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	PropField_Integer,			/**< Valid for SendProp and Data fields */
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	PropField_Float,			/**< Valid for SendProp and Data fields */
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	PropField_Entity,			/**< Valid for Data fields only (SendProp shows as int) */
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	PropField_Vector,			/**< Valid for SendProp and Data fields */
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	PropField_String,			/**< Valid for SendProp and Data fields */
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	PropField_String_T,			/**< Valid for Data fields.  Read only! */
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};
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#define FIND_PROP_SEND(type, type_name) \
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	sm_sendprop_info_t info;\
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	SendProp *pProp; \
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	if (!gamehelpers->FindSendPropInfo(g_szGameRulesProxy, prop, &info)) \
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	{ \
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		return pContext->ThrowNativeError("Property \"%s\" not found on the gamerules proxy", prop); \
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	} \
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	\
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	offset = info.actual_offset; \
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	pProp = info.prop; \
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	bit_count = pProp->m_nBits; \
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	\
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	switch (pProp->GetType()) \
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	{ \
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	case type: \
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		{ \
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			if (element > 0) \
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			{ \
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				return pContext->ThrowNativeError("SendProp %s is not an array. Element %d is invalid.", \
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					prop, \
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					element); \
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			} \
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			break; \
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		} \
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	case DPT_DataTable: \
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		{ \
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			FIND_PROP_SEND_IN_SENDTABLE(info, pProp, element, type, type_name); \
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			\
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			offset += pProp->GetOffset(); \
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			bit_count = pProp->m_nBits; \
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			break; \
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		} \
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	default: \
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		{ \
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			return pContext->ThrowNativeError("SendProp %s type is not " type_name " (%d != %d)", \
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				prop, \
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				pProp->GetType(), \
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				type); \
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		} \
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	} \
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#define FIND_PROP_SEND_IN_SENDTABLE(info, pProp, element, type, type_name) \
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	SendTable *pTable = pProp->GetDataTable(); \
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	if (!pTable) \
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	{ \
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		return pContext->ThrowNativeError("Error looking up DataTable for prop %s", \
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			prop); \
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	} \
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	\
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	int elementCount = pTable->GetNumProps(); \
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	if (element >= elementCount) \
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	{ \
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		return pContext->ThrowNativeError("Element %d is out of bounds (Prop %s has %d elements).", \
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			element, \
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			prop, \
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			elementCount); \
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	} \
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	\
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	pProp = pTable->GetProp(element); \
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	if (pProp->GetType() != type) \
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	{ \
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		return pContext->ThrowNativeError("SendProp %s type is not " type_name " ([%d,%d] != %d)", \
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			prop, \
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			pProp->GetType(), \
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			pProp->m_nBits, \
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			type); \
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	}
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static cell_t GameRules_GetProp(IPluginContext *pContext, const cell_t *params)
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{
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	char *prop;
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	int element = params[3];
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	int offset;
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	int bit_count;
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	bool is_unsigned;
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	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
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		return pContext->ThrowNativeError("Gamerules lookup failed.");
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	pContext->LocalToString(params[1], &prop);
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	int elementCount = 1;
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	FIND_PROP_SEND(DPT_Int, "integer");
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	is_unsigned = ((pProp->GetFlags() & SPROP_UNSIGNED) == SPROP_UNSIGNED);
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	// This isn't in CS:S yet, but will be, doesn't hurt to add now, and will save us a build later
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#if SOURCE_ENGINE == SE_CSS || SOURCE_ENGINE == SE_HL2DM || SOURCE_ENGINE == SE_DODS || SOURCE_ENGINE == SE_TF2
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	if (pProp->GetFlags() & SPROP_VARINT)
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	{
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		bit_count = sizeof(int) * 8;
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	}
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#endif
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	if (bit_count < 1)
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	{
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		bit_count = params[2] * 8;
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	}
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	void *pGameRules = *g_pGameRules;
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	if (bit_count >= 17)
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	{
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		return *(int32_t *)((intptr_t)pGameRules + offset);
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	}
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	else if (bit_count >= 9)
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	{
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		if (is_unsigned)
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		{
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			return *(uint16_t *)((intptr_t)pGameRules + offset);
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		}
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		else
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		{
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			return *(int16_t *)((intptr_t)pGameRules + offset);
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		}
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	}
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	else if (bit_count >= 2)
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	{
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		if (is_unsigned)
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		{
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			return *(uint8_t *)((intptr_t)pGameRules + offset);
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		}
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		else
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		{
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			return *(int8_t *)((intptr_t)pGameRules + offset);
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		}
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	}
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	else
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	{
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		return *(bool *)((intptr_t)pGameRules + offset) ? 1 : 0;
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	}
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	return -1;
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}
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static cell_t GameRules_SetProp(IPluginContext *pContext, const cell_t *params)
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{
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	char *prop;
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	int element = params[4];
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	int offset;
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	int bit_count;
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	bool sendChange = true;
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	if (params[5] == 0)
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		sendChange = false;
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	CBaseEntity *pProxy = NULL;
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	if (sendChange && ((pProxy = GetGameRulesProxyEnt()) == NULL))
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		return pContext->ThrowNativeError("Couldn't find gamerules proxy entity");
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	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
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		return pContext->ThrowNativeError("Gamerules lookup failed");
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	pContext->LocalToString(params[1], &prop);
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	FIND_PROP_SEND(DPT_Int, "integer");
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#if SOURCE_ENGINE == SE_CSS || SOURCE_ENGINE == SE_HL2DM || SOURCE_ENGINE == SE_DODS || SOURCE_ENGINE == SE_TF2
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	if (pProp->GetFlags() & SPROP_VARINT)
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	{
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		bit_count = sizeof(int) * 8;
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	}
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#endif
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	void *pGameRules = *g_pGameRules;
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	if (bit_count < 1)
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	{
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		bit_count = params[3] * 8;
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	}
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	if (bit_count >= 17)
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	{
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		*(int32_t *)((intptr_t)pGameRules + offset) = params[2];
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		if (sendChange)
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		{
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			*(int32_t *)((intptr_t)pProxy + offset) = params[2];
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			gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
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		}
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	}
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	else if (bit_count >= 9)
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	{
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		*(int16_t *)((intptr_t)pGameRules + offset) = (int16_t)params[2];
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		if (sendChange)
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		{
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			*(int16_t *)((intptr_t)pProxy + offset) = (int16_t)params[2];
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			gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
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		}
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	}
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	else if (bit_count >= 2)
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	{
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		*(int8_t *)((intptr_t)pGameRules + offset) = (int8_t)params[2];
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		if (sendChange)
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		{
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			*(int8_t *)((intptr_t)pProxy + offset) = (int8_t)params[2];
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			gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
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		}
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	}
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	else
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	{
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		*(bool *)((intptr_t)pGameRules + offset) = (params[2] == 0) ? false : true;
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		if (sendChange)
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		{
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			*(bool *)((intptr_t)pProxy + offset) = (params[2] == 0) ? false : true;
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			gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
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		}
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	}
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	return 0;
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}
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static cell_t GameRules_GetPropFloat(IPluginContext *pContext, const cell_t *params)
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{
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	char *prop;
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	int element = params[2];
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	int offset;
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	int bit_count;
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	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
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		return pContext->ThrowNativeError("Gamerules lookup failed.");
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	pContext->LocalToString(params[1], &prop);
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	FIND_PROP_SEND(DPT_Float, "float");
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	void *pGameRules = *g_pGameRules;
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	float val = *(float *)((intptr_t)pGameRules + offset);
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	return sp_ftoc(val);
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}
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static cell_t GameRules_SetPropFloat(IPluginContext *pContext, const cell_t *params)
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{
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	char *prop;
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	int element = params[3];
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	int offset;
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	int bit_count;
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	bool sendChange = true;
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	if (params[4] == 0)
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		sendChange = false;
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	CBaseEntity *pProxy = NULL;
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	if (sendChange && ((pProxy = GetGameRulesProxyEnt()) == NULL))
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		return pContext->ThrowNativeError("Couldn't find gamerules proxy entity.");
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	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
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		return pContext->ThrowNativeError("Gamerules lookup failed.");
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	pContext->LocalToString(params[1], &prop);
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	FIND_PROP_SEND(DPT_Float, "float");
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	void *pGameRules = *g_pGameRules;
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	float newVal = sp_ctof(params[2]);
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	*(float *)((intptr_t)pGameRules + offset) = newVal;
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	if (sendChange)
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	{
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		*(float *)((intptr_t)pProxy + offset) = newVal;
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		gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
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	}
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	return 0;
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}
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static cell_t GameRules_GetPropEnt(IPluginContext *pContext, const cell_t *params)
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{
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	char *prop;
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	int element = params[2];
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	int offset;
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	int bit_count;
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	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
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		return pContext->ThrowNativeError("Gamerules lookup failed.");
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	pContext->LocalToString(params[1], &prop);
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	FIND_PROP_SEND(DPT_Int, "Integer");
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	void *pGameRules = *g_pGameRules;
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	CBaseHandle &hndl = *(CBaseHandle *)((intptr_t)pGameRules + offset);
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	CBaseEntity *pEntity = gamehelpers->ReferenceToEntity(hndl.GetEntryIndex());
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	if (!pEntity || ((IServerEntity *)pEntity)->GetRefEHandle() != hndl)
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	{
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		return -1;
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	}
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	return gamehelpers->EntityToBCompatRef(pEntity);
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}
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static cell_t GameRules_SetPropEnt(IPluginContext *pContext, const cell_t *params)
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{
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	char *prop;
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	int element = params[3];
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	int offset;
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	int bit_count;
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	bool sendChange = true;
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	if (params[4] == 0)
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		sendChange = false;
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	CBaseEntity *pProxy = NULL;
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	if (sendChange && ((pProxy = GetGameRulesProxyEnt()) == NULL))
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		return pContext->ThrowNativeError("Couldn't find gamerules proxy entity.");
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	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
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		return pContext->ThrowNativeError("Gamerules lookup failed.");
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	pContext->LocalToString(params[1], &prop);
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	FIND_PROP_SEND(DPT_Int, "integer");
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	void *pGameRules = *g_pGameRules;
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	CBaseHandle &hndl = *(CBaseHandle *)((intptr_t)pGameRules + offset);
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	CBaseEntity *pOther;
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	if (params[2] == -1)
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	{
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		hndl.Set(NULL);
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	}
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	else
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	{
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		pOther = gamehelpers->ReferenceToEntity(params[2]);
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		if (!pOther)
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		{
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			return pContext->ThrowNativeError("Entity %d (%d) is invalid", gamehelpers->ReferenceToIndex(params[4]), params[4]);
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		}
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		IHandleEntity *pHandleEnt = (IHandleEntity *)pOther;
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		hndl.Set(pHandleEnt);
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	}
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	if (sendChange)
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	{
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		CBaseHandle &hndl = *(CBaseHandle *)((intptr_t)pProxy + offset);
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						|
		if (params[2] == -1)
 | 
						|
		{
 | 
						|
			hndl.Set(NULL);
 | 
						|
		}
 | 
						|
		else
 | 
						|
		{
 | 
						|
			IHandleEntity *pHandleEnt = (IHandleEntity *)pOther;
 | 
						|
			hndl.Set(pHandleEnt);
 | 
						|
		}
 | 
						|
 | 
						|
		gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
 | 
						|
	}
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static cell_t GameRules_GetPropVector(IPluginContext *pContext, const cell_t *params)
 | 
						|
{
 | 
						|
	char *prop;
 | 
						|
	int element = params[3];
 | 
						|
	int offset;
 | 
						|
	int bit_count;
 | 
						|
 | 
						|
	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
 | 
						|
		return pContext->ThrowNativeError("Gamerules lookup failed.");
 | 
						|
 | 
						|
	pContext->LocalToString(params[1], &prop);
 | 
						|
 | 
						|
	FIND_PROP_SEND(DPT_Vector, "vector");
 | 
						|
 | 
						|
	void *pGameRules = *g_pGameRules;
 | 
						|
 | 
						|
	Vector *v = (Vector *)((intptr_t)pGameRules + offset);
 | 
						|
 | 
						|
	cell_t *vec;
 | 
						|
	pContext->LocalToPhysAddr(params[2], &vec);
 | 
						|
 | 
						|
	vec[0] = sp_ftoc(v->x);
 | 
						|
	vec[1] = sp_ftoc(v->y);
 | 
						|
	vec[2] = sp_ftoc(v->z);
 | 
						|
 | 
						|
	return 1;
 | 
						|
}
 | 
						|
 | 
						|
static cell_t GameRules_SetPropVector(IPluginContext *pContext, const cell_t *params)
 | 
						|
{
 | 
						|
	char *prop;
 | 
						|
	int element = params[3];
 | 
						|
	int offset;
 | 
						|
	int bit_count;
 | 
						|
 | 
						|
	bool sendChange = true;
 | 
						|
	if (params[4] == 0)
 | 
						|
		sendChange = false;
 | 
						|
 | 
						|
	CBaseEntity *pProxy = NULL;
 | 
						|
	if (sendChange && ((pProxy = GetGameRulesProxyEnt()) == NULL))
 | 
						|
		return pContext->ThrowNativeError("Couldn't find gamerules proxy entity.");
 | 
						|
	
 | 
						|
	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
 | 
						|
		return pContext->ThrowNativeError("Gamerules lookup failed.");
 | 
						|
 | 
						|
	pContext->LocalToString(params[1], &prop);
 | 
						|
 | 
						|
	FIND_PROP_SEND(DPT_Vector, "vector");
 | 
						|
 | 
						|
	void *pGameRules = *g_pGameRules;
 | 
						|
 | 
						|
	Vector *v = (Vector *)((intptr_t)pGameRules + offset);
 | 
						|
 | 
						|
	cell_t *vec;
 | 
						|
	pContext->LocalToPhysAddr(params[2], &vec);
 | 
						|
 | 
						|
	v->x = sp_ctof(vec[0]);
 | 
						|
	v->y = sp_ctof(vec[1]);
 | 
						|
	v->z = sp_ctof(vec[2]);
 | 
						|
 | 
						|
	if (sendChange)
 | 
						|
	{
 | 
						|
		v = (Vector *)((intptr_t)pProxy + offset);
 | 
						|
		v->x = sp_ctof(vec[0]);
 | 
						|
		v->y = sp_ctof(vec[1]);
 | 
						|
		v->z = sp_ctof(vec[2]);
 | 
						|
 | 
						|
		gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
 | 
						|
	}
 | 
						|
 | 
						|
	return 1;
 | 
						|
}
 | 
						|
 | 
						|
static cell_t GameRules_GetPropString(IPluginContext *pContext, const cell_t *params)
 | 
						|
{
 | 
						|
	char *prop;
 | 
						|
	int offset;
 | 
						|
 | 
						|
	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
 | 
						|
		return pContext->ThrowNativeError("Gamerules lookup failed.");
 | 
						|
 | 
						|
	pContext->LocalToString(params[1], &prop);
 | 
						|
 | 
						|
	sm_sendprop_info_t info;
 | 
						|
	if (!gamehelpers->FindSendPropInfo(g_szGameRulesProxy, prop, &info))
 | 
						|
	{
 | 
						|
		return pContext->ThrowNativeError("Property \"%s\" not found on the gamerules proxy", prop);
 | 
						|
	}
 | 
						|
	
 | 
						|
	offset = info.actual_offset;
 | 
						|
	
 | 
						|
	if (info.prop->GetType() != DPT_String)
 | 
						|
	{
 | 
						|
		return pContext->ThrowNativeError("SendProp %s type is not a string (%d != %d)",
 | 
						|
				prop,
 | 
						|
				info.prop->GetType(),
 | 
						|
				DPT_String);
 | 
						|
	}
 | 
						|
 | 
						|
	void *pGameRules = *g_pGameRules;
 | 
						|
 | 
						|
	size_t len;
 | 
						|
	const char *src;
 | 
						|
 | 
						|
	src = (char *)((intptr_t)pGameRules + offset);
 | 
						|
 | 
						|
	pContext->StringToLocalUTF8(params[2], params[3], src, &len);
 | 
						|
 | 
						|
	return len;
 | 
						|
}
 | 
						|
 | 
						|
// From sm_stringutil
 | 
						|
inline int strncopy(char *dest, const char *src, size_t count)
 | 
						|
{
 | 
						|
	if (!count)
 | 
						|
	{
 | 
						|
		return 0;
 | 
						|
	}
 | 
						|
 | 
						|
	char *start = dest;
 | 
						|
	while ((*src) && (--count))
 | 
						|
	{
 | 
						|
		*dest++ = *src++;
 | 
						|
	}
 | 
						|
	*dest = '\0';
 | 
						|
 | 
						|
	return (dest - start);
 | 
						|
}
 | 
						|
//
 | 
						|
 | 
						|
static cell_t GameRules_SetPropString(IPluginContext *pContext, const cell_t *params)
 | 
						|
{
 | 
						|
	char *prop;
 | 
						|
	int offset;
 | 
						|
	int maxlen;
 | 
						|
 | 
						|
	bool sendChange = true;
 | 
						|
	if (params[3] == 0)
 | 
						|
		sendChange = false;
 | 
						|
 | 
						|
	CBaseEntity *pProxy = NULL;
 | 
						|
	if (sendChange && ((pProxy = GetGameRulesProxyEnt()) == NULL))
 | 
						|
		return pContext->ThrowNativeError("Couldn't find gamerules proxy entity.");
 | 
						|
	
 | 
						|
	if (!g_pGameRules || !g_szGameRulesProxy || !strcmp(g_szGameRulesProxy, ""))
 | 
						|
		return pContext->ThrowNativeError("Gamerules lookup failed.");
 | 
						|
 | 
						|
	pContext->LocalToString(params[1], &prop);
 | 
						|
 | 
						|
	sm_sendprop_info_t info;
 | 
						|
	if (!gamehelpers->FindSendPropInfo(g_szGameRulesProxy, prop, &info))
 | 
						|
	{
 | 
						|
		return pContext->ThrowNativeError("Property \"%s\" not found on the gamerules proxy", prop);
 | 
						|
	}
 | 
						|
	
 | 
						|
	offset = info.actual_offset;
 | 
						|
	
 | 
						|
	if (info.prop->GetType() != DPT_String)
 | 
						|
	{
 | 
						|
		return pContext->ThrowNativeError("SendProp %s type is not a string (%d != %d)",
 | 
						|
				prop,
 | 
						|
				info.prop->GetType(),
 | 
						|
				DPT_String);
 | 
						|
	}
 | 
						|
 | 
						|
	void *pGameRules = *g_pGameRules;
 | 
						|
	maxlen = DT_MAX_STRING_BUFFERSIZE;
 | 
						|
 | 
						|
	char *src;
 | 
						|
	char *dest = (char *)((intptr_t)pGameRules + offset);
 | 
						|
 | 
						|
	pContext->LocalToString(params[2], &src);
 | 
						|
	size_t len = strncopy(dest, src, maxlen);
 | 
						|
 | 
						|
	if (sendChange)
 | 
						|
	{
 | 
						|
		dest = (char *)((intptr_t)pProxy + offset);
 | 
						|
		strncopy(dest, src, maxlen);
 | 
						|
		gamehelpers->SetEdictStateChanged(gamehelpers->EdictOfIndex(gamehelpers->EntityToBCompatRef(pProxy)), offset);
 | 
						|
	}
 | 
						|
 | 
						|
	return len;
 | 
						|
}
 | 
						|
 | 
						|
sp_nativeinfo_t g_GameRulesNatives[] = 
 | 
						|
{
 | 
						|
	{"GameRules_GetProp",			GameRules_GetProp},
 | 
						|
	{"GameRules_SetProp",			GameRules_SetProp},
 | 
						|
	{"GameRules_GetPropFloat",		GameRules_GetPropFloat},
 | 
						|
	{"GameRules_SetPropFloat",		GameRules_SetPropFloat},
 | 
						|
	{"GameRules_GetPropEnt",		GameRules_GetPropEnt},
 | 
						|
	{"GameRules_SetPropEnt",		GameRules_SetPropEnt},
 | 
						|
	{"GameRules_GetPropVector",		GameRules_GetPropVector},
 | 
						|
	{"GameRules_SetPropVector",		GameRules_SetPropVector},
 | 
						|
	{"GameRules_GetPropString",		GameRules_GetPropString},
 | 
						|
	{"GameRules_SetPropString",		GameRules_SetPropString},
 | 
						|
	{NULL,							NULL},
 | 
						|
};
 | 
						|
 |