* PassType typo fixup Just some little observations, I will look up for more in other files whenever I can * Update natives.cpp * Update outputnatives.cpp
		
			
				
	
	
		
			402 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			402 lines
		
	
	
		
			12 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) 2004-2017 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 "variant-t.h"
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#include "output.h"
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#include <sm_argbuffer.h>
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ICallWrapper *g_pFireOutput = NULL;
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#define ENTINDEX_TO_CBASEENTITY(ref, buffer) \
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	buffer = gamehelpers->ReferenceToEntity(ref); \
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	if (!buffer) \
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	{ \
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		return pContext->ThrowNativeError("Entity %d (%d) is not a CBaseEntity", gamehelpers->ReferenceToIndex(ref), ref); \
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	}
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// HookSingleEntityOutput(int ent, const char[] output, EntityOutput function, bool once);
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cell_t HookSingleEntityOutput(IPluginContext *pContext, const cell_t *params)
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{
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	if (!g_OutputManager.IsEnabled())
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	{
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		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
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	}
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	CBaseEntity *pEntity = gamehelpers->ReferenceToEntity(params[1]);
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	if (!pEntity)
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	{
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		return pContext->ThrowNativeError("Invalid Entity index %i (%i)", gamehelpers->ReferenceToIndex(params[1]), params[1]);
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	}
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	const char *classname = gamehelpers->GetEntityClassname(pEntity);
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	char *outputname;
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	pContext->LocalToString(params[2], &outputname);
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	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, true);
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	//Check for an existing identical hook
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	SourceHook::List<omg_hooks *>::iterator _iter;
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	omg_hooks *hook;
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	IPluginFunction *pFunction;
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	pFunction = pContext->GetFunctionById(params[3]);
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	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
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	{
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		hook = (omg_hooks *)*_iter;
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		if (hook->pf == pFunction && hook->entity_ref == gamehelpers->EntityToReference(pEntity))
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		{
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			return 0;
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		}
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	}
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	hook = g_OutputManager.NewHook();
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	hook->entity_ref = gamehelpers->EntityToReference(pEntity);
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	hook->only_once= !!params[4];
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	hook->pf = pFunction;
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	hook->m_parent = pOutputName;
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	hook->in_use = false;
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	hook->delete_me = false;
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	pOutputName->hooks.push_back(hook);
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	g_OutputManager.OnHookAdded();
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	IPlugin *pPlugin = plsys->FindPluginByContext(pContext->GetContext());
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	SourceHook::List<omg_hooks *> *pList = NULL;
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	if (!pPlugin->GetProperty("OutputHookList", (void **)&pList, false) || !pList)
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	{
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		pList = new SourceHook::List<omg_hooks *>;
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		pPlugin->SetProperty("OutputHookList", pList);
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	}
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	pList->push_back(hook);
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	return 1;
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}
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// HookEntityOutput(const char[] classname, const char[] output, EntityOutput function);
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cell_t HookEntityOutput(IPluginContext *pContext, const cell_t *params)
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{
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	if (!g_OutputManager.IsEnabled())
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	{
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		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
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	}
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	//Find or create the base structures for this classname and the output
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	char *classname;
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	pContext->LocalToString(params[1], &classname);
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	char *outputname;
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	pContext->LocalToString(params[2], &outputname);
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	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, true);
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	//Check for an existing identical hook
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	SourceHook::List<omg_hooks *>::iterator _iter;
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	omg_hooks *hook;
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	IPluginFunction *pFunction;
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	pFunction = pContext->GetFunctionById(params[3]);
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	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
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	{
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		hook = (omg_hooks *)*_iter;
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		if (hook->pf == pFunction && hook->entity_ref == -1)
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		{
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			//already hooked to this function...
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			//throw an error or just let them get away with stupidity?
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			// seems like poor coding if they dont know if something is hooked or not
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			return 0;
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		}
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	}
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	hook = g_OutputManager.NewHook();
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	hook->entity_ref = -1;
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	hook->pf = pFunction;
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	hook->m_parent = pOutputName;
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	hook->in_use = false;
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	hook->delete_me = false;
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	pOutputName->hooks.push_back(hook);
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	g_OutputManager.OnHookAdded();
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	IPlugin *pPlugin = plsys->FindPluginByContext(pContext->GetContext());
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	SourceHook::List<omg_hooks *> *pList = NULL;
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	if (!pPlugin->GetProperty("OutputHookList", (void **)&pList, false) || !pList)
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	{
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		pList = new SourceHook::List<omg_hooks *>;
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		pPlugin->SetProperty("OutputHookList", pList);
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	}
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	pList->push_back(hook);
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	return 1;
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}
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// UnHookEntityOutput(const char[] classname, const char[] output, EntityOutput callback);
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cell_t UnHookEntityOutput(IPluginContext *pContext, const cell_t *params)
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{
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	if (!g_OutputManager.IsEnabled())
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	{
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		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
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	}
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	char *classname;
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	pContext->LocalToString(params[1], &classname);
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	char *outputname;
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	pContext->LocalToString(params[2], &outputname);
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	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, false);
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	if (!pOutputName)
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	{
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		return 0;
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	}
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	//Check for an existing identical hook
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	SourceHook::List<omg_hooks *>::iterator _iter;
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	omg_hooks *hook;
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	IPluginFunction *pFunction;
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	pFunction = pContext->GetFunctionById(params[3]);
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	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
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	{
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		hook = (omg_hooks *)*_iter;
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		if (hook->pf == pFunction && hook->entity_ref == -1)
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		{
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			// remove this hook.
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			if (hook->in_use)
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			{
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				hook->delete_me = true;
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				return 1;
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			}
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			pOutputName->hooks.erase(_iter);
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			g_OutputManager.CleanUpHook(hook);
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			return 1;
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		}
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	}
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	return 0;
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}
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// UnHookSingleEntityOutput(int entity, const char[] output, EntityOutput callback);
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cell_t UnHookSingleEntityOutput(IPluginContext *pContext, const cell_t *params)
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{
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	if (!g_OutputManager.IsEnabled())
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	{
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		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
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	}
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	// Find the classname of the entity and lookup the classname and output structures
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	CBaseEntity *pEntity = gamehelpers->ReferenceToEntity(params[1]);
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	if (!pEntity)
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	{
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		return pContext->ThrowNativeError("Invalid Entity index %i (%i)", gamehelpers->ReferenceToIndex(params[1]), params[1]);
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	}
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	const char *classname = gamehelpers->GetEntityClassname(pEntity);
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	char *outputname;
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	pContext->LocalToString(params[2], &outputname);
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	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, false);
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	if (!pOutputName)
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	{
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		return 0;
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	}
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	//Check for an existing identical hook
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	SourceHook::List<omg_hooks *>::iterator _iter;
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	omg_hooks *hook;
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	IPluginFunction *pFunction;
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	pFunction = pContext->GetFunctionById(params[3]);
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	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
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	{
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		hook = (omg_hooks *)*_iter;
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		/* We're not serial checking and just removing by index here - This was always allowed so is left for bcompat */
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		if (hook->pf == pFunction && gamehelpers->ReferenceToIndex(hook->entity_ref) == gamehelpers->ReferenceToIndex(params[1]))
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		{
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			// remove this hook.
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			if (hook->in_use)
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			{
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				hook->delete_me = true;
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				return 1;
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			}
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			pOutputName->hooks.erase(_iter);
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			g_OutputManager.CleanUpHook(hook);
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			return 1;
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		}
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	}
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	return 0;
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}
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void *FindOutputPointerByName(CBaseEntity *pEntity, const char *outputname)
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{
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	datamap_t *pMap = gamehelpers->GetDataMap(pEntity);
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	while (pMap)
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	{
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		for (int i=0; i<pMap->dataNumFields; i++)
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		{
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			if (pMap->dataDesc[i].flags & FTYPEDESC_OUTPUT)
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			{
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				if (strcmp(pMap->dataDesc[i].externalName,outputname) == 0)
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				{
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					return reinterpret_cast<void *>((unsigned char*)pEntity + GetTypeDescOffs(&pMap->dataDesc[i]));
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				}
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			}
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		}
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		pMap = pMap->baseMap;
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	}
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	return NULL;
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}
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// FireEntityOutput(int ent, const char[] output, int activator, float delay);
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static cell_t FireEntityOutput(IPluginContext *pContext, const cell_t *params)
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{
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	if (!g_pFireOutput)
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	{
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		void *addr;
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		if (!g_pGameConf->GetMemSig("FireOutput", &addr) || !addr)
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		{
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			return pContext->ThrowNativeError("\"FireEntityOutput\" not supported by this mod");
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		}
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#ifdef PLATFORM_WINDOWS
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		int iMaxParam = 8;
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		//Instead of being one param, MSVC broke variant_t param into 5 params..
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		PassInfo pass[8];
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		pass[0].flags = PASSFLAG_BYVAL;
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		pass[0].type = PassType_Basic;
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		pass[0].size = sizeof(int);
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		pass[1].flags = PASSFLAG_BYVAL;
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		pass[1].type = PassType_Basic;
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		pass[1].size = sizeof(int);
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		pass[2].flags = PASSFLAG_BYVAL;
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		pass[2].type = PassType_Basic;
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		pass[2].size = sizeof(int);
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		pass[3].flags = PASSFLAG_BYVAL;
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		pass[3].type = PassType_Basic;
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		pass[3].size = sizeof(int);
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		pass[4].flags = PASSFLAG_BYVAL;
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		pass[4].type = PassType_Basic;
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		pass[4].size = sizeof(int);
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		pass[5].flags = PASSFLAG_BYVAL;
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		pass[5].type = PassType_Basic;
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		pass[5].size = sizeof(CBaseEntity *);
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		pass[6].flags = PASSFLAG_BYVAL;
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		pass[6].type = PassType_Basic;
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		pass[6].size = sizeof(CBaseEntity *);
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		pass[7].flags = PASSFLAG_BYVAL;
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		pass[7].type = PassType_Float;
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		pass[7].size = sizeof(float);
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#else
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		int iMaxParam = 4;
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		PassInfo pass[4];
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		pass[0].type = PassType_Object;
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		pass[0].flags = PASSFLAG_BYVAL|PASSFLAG_OCTOR|PASSFLAG_ODTOR|PASSFLAG_OASSIGNOP;
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		pass[0].size = SIZEOF_VARIANT_T;
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		pass[1].flags = PASSFLAG_BYVAL;
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		pass[1].type = PassType_Basic;
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		pass[1].size = sizeof(CBaseEntity *);
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		pass[2].flags = PASSFLAG_BYVAL;
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		pass[2].type = PassType_Basic;
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		pass[2].size = sizeof(CBaseEntity *);
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		pass[3].flags = PASSFLAG_BYVAL;
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		pass[3].type = PassType_Float;
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		pass[3].size = sizeof(float);
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#endif
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		if (!(g_pFireOutput = g_pBinTools->CreateCall(addr, CallConv_ThisCall, NULL, pass, iMaxParam)))
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		{
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			return pContext->ThrowNativeError("\"FireEntityOutput\" wrapper failed to initialize.");
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		}
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	}
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	CBaseEntity *pActivator, *pCaller;
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	void *pOutput = NULL;
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	char *outputname;
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	ENTINDEX_TO_CBASEENTITY(params[1], pCaller);
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	pContext->LocalToString(params[2], &outputname);
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	if ((pOutput = FindOutputPointerByName(pCaller,outputname)))
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	{
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		if (params[3] == -1)
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		{
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			pActivator = NULL;
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		}
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		else
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		{
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			ENTINDEX_TO_CBASEENTITY(params[3], pActivator);
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		}
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		ArgBuffer<void*, decltype(g_Variant_t), CBaseEntity*, CBaseEntity*, float> vstk(pOutput, g_Variant_t, pActivator, pCaller, sp_ctof(params[4]));
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		g_pFireOutput->Execute(vstk, nullptr);
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		_init_variant_t();
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		return 1;
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	}
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	return pContext->ThrowNativeError("Couldn't find %s output on %i entity!", outputname, params[1]);
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}
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sp_nativeinfo_t g_EntOutputNatives[] =
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{
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	{"HookEntityOutput",			HookEntityOutput},
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	{"UnhookEntityOutput",			UnHookEntityOutput},
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	{"HookSingleEntityOutput",		HookSingleEntityOutput},
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	{"UnhookSingleEntityOutput",	UnHookSingleEntityOutput},
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	{"FireEntityOutput",			FireEntityOutput},
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	{NULL,							NULL},
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};
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