pred@1958: /**
pred@1958:  * vim: set ts=4 :
pred@1958:  * =============================================================================
pred@1958:  * SourceMod SDKTools Extension
ds@1990:  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
pred@1958:  * =============================================================================
pred@1958:  *
pred@1958:  * This program is free software; you can redistribute it and/or modify it under
pred@1958:  * the terms of the GNU General Public License, version 3.0, as published by the
pred@1958:  * Free Software Foundation.
pred@1958:  * 
pred@1958:  * This program is distributed in the hope that it will be useful, but WITHOUT
pred@1958:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
pred@1958:  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
pred@1958:  * details.
pred@1958:  *
pred@1958:  * You should have received a copy of the GNU General Public License along with
pred@1958:  * this program.  If not, see <http://www.gnu.org/licenses/>.
pred@1958:  *
pred@1958:  * As a special exception, AlliedModders LLC gives you permission to link the
pred@1958:  * code of this program (as well as its derivative works) to "Half-Life 2," the
pred@1958:  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
pred@1958:  * by the Valve Corporation.  You must obey the GNU General Public License in
pred@1958:  * all respects for all other code used.  Additionally, AlliedModders LLC grants
pred@1958:  * this exception to all derivative works.  AlliedModders LLC defines further
pred@1958:  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
pred@1958:  * or <http://www.sourcemod.net/license.php>.
pred@1958:  *
ds@1987:  * Version: $Id$
pred@1958:  */
pred@1958: 
pred@1958: #include "extension.h"
pred@1958: #include "output.h"
pred@1958: 
pred@1958: // HookSingleEntityOutput(ent, const String:output[], function, bool:once);
pred@1958: cell_t HookSingleEntityOutput(IPluginContext *pContext, const cell_t *params)
pred@1958: {
pred@1958: 	if (!g_OutputManager.IsEnabled())
pred@1958: 	{
pred@1958: 		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
pred@1958: 	}
pred@1958: 
pred@2746: 	CBaseEntity *pEntity = gamehelpers->ReferenceToEntity(params[1]);
pred@2746: 	if (!pEntity)
pred@1958: 	{
pred@2746: 		return pContext->ThrowNativeError("Invalid Entity index %i (%i)", gamehelpers->ReferenceToIndex(params[1]), params[1]);
pred@1958: 	}
pred@2746: 
pred@2746: 	const char *classname = g_OutputManager.GetEntityClassname(pEntity);
pred@1958: 
pred@1958: 	char *outputname;
pred@1958: 	pContext->LocalToString(params[2], &outputname);
pred@1958: 
pred@1958: 	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, true);
pred@1958: 
pred@1958: 	//Check for an existing identical hook
pred@1958: 	SourceHook::List<omg_hooks *>::iterator _iter;
pred@1958: 
pred@1958: 	omg_hooks *hook;
pred@1958: 
pred@1958: 	IPluginFunction *pFunction;
pred@1958: 	pFunction = pContext->GetFunctionById(params[3]);
pred@1958: 
pred@1958: 	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
pred@1958: 	{
pred@1958: 		hook = (omg_hooks *)*_iter;
pred@2746: 		if (hook->pf == pFunction && hook->entity_ref == gamehelpers->EntityToReference(pEntity))
pred@1958: 		{
pred@1958: 			return 0;
pred@1958: 		}
pred@1958: 	}
pred@1958: 
pred@1958: 	hook = g_OutputManager.NewHook();
pred@1958: 
pred@2746: 	hook->entity_ref = gamehelpers->EntityToReference(pEntity);
pred@1958: 	hook->only_once= !!params[4];
pred@1958: 	hook->pf = pFunction;
pred@1958: 	hook->m_parent = pOutputName;
pred@1958: 	hook->in_use = false;
pred@1958: 	hook->delete_me = false;
pred@1958: 
pred@1958: 	pOutputName->hooks.push_back(hook);
pred@1958: 
pred@1958: 	g_OutputManager.OnHookAdded();
pred@1958: 
pred@1958: 	IPlugin *pPlugin = plsys->FindPluginByContext(pContext->GetContext());
pred@1958: 	SourceHook::List<omg_hooks *> *pList = NULL;
pred@1958: 
pred@1958: 	if (!pPlugin->GetProperty("OutputHookList", (void **)&pList, false) || !pList)
pred@1958: 	{
pred@1958: 		pList = new SourceHook::List<omg_hooks *>;
pred@1958: 		pPlugin->SetProperty("OutputHookList", pList);
pred@1958: 	}
pred@1958: 
pred@1958: 	pList->push_back(hook);
pred@1958: 
pred@1958: 	return 1;
pred@1958: }
pred@1958: 
pred@1958: // HookEntityOutput(const String:classname[], const String:output[], function);
pred@1958: cell_t HookEntityOutput(IPluginContext *pContext, const cell_t *params)
pred@1958: {
pred@1958: 	if (!g_OutputManager.IsEnabled())
pred@1958: 	{
pred@1958: 		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
pred@1958: 	}
pred@1958: 
pred@1958: 	//Find or create the base structures for this classname and the output
pred@1958: 	char *classname;
pred@1958: 	pContext->LocalToString(params[1], &classname);
pred@1958: 
pred@1958: 	char *outputname;
pred@1958: 	pContext->LocalToString(params[2], &outputname);
pred@1958: 
pred@1958: 	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, true);
pred@1958: 
pred@1958: 	//Check for an existing identical hook
pred@1958: 	SourceHook::List<omg_hooks *>::iterator _iter;
pred@1958: 
pred@1958: 	omg_hooks *hook;
pred@1958: 
pred@1958: 	IPluginFunction *pFunction;
pred@1958: 	pFunction = pContext->GetFunctionById(params[3]);
pred@1958: 
pred@1958: 	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
pred@1958: 	{
pred@1958: 		hook = (omg_hooks *)*_iter;
pred@2746: 		if (hook->pf == pFunction && hook->entity_ref == -1)
pred@1958: 		{
pred@1958: 			//already hooked to this function...
pred@1958: 			//throw an error or just let them get away with stupidity?
pred@1958: 			// seems like poor coding if they dont know if something is hooked or not
pred@1958: 			return 0;
pred@1958: 		}
pred@1958: 	}
pred@1958: 
pred@1958: 	hook = g_OutputManager.NewHook();
pred@1958: 
pred@2746: 	hook->entity_ref = -1;
pred@1958: 	hook->pf = pFunction;
pred@1958: 	hook->m_parent = pOutputName;
pred@1958: 	hook->in_use = false;
pred@1958: 	hook->delete_me = false;
pred@1958: 
pred@1958: 	pOutputName->hooks.push_back(hook);
pred@1958: 
pred@1958: 	g_OutputManager.OnHookAdded();
pred@1958: 
pred@1958: 	IPlugin *pPlugin = plsys->FindPluginByContext(pContext->GetContext());
pred@1958: 	SourceHook::List<omg_hooks *> *pList = NULL;
pred@1958: 
pred@1958: 	if (!pPlugin->GetProperty("OutputHookList", (void **)&pList, false) || !pList)
pred@1958: 	{
pred@1958: 		pList = new SourceHook::List<omg_hooks *>;
pred@1958: 		pPlugin->SetProperty("OutputHookList", pList);
pred@1958: 	}
pred@1958: 
pred@1958: 	pList->push_back(hook);
pred@1958: 
pred@1958: 	return 1;
pred@1958: }
pred@1958: 
pred@1958: // UnHookEntityOutput(const String:classname[], const String:output[], EntityOutput:callback);
pred@1958: cell_t UnHookEntityOutput(IPluginContext *pContext, const cell_t *params)
pred@1958: {
pred@1958: 	if (!g_OutputManager.IsEnabled())
pred@1958: 	{
pred@1958: 		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
pred@1958: 	}
pred@1958: 
pred@1958: 	char *classname;
pred@1958: 	pContext->LocalToString(params[1], &classname);
pred@1958: 
pred@1958: 	char *outputname;
pred@1958: 	pContext->LocalToString(params[2], &outputname);
pred@1958: 
pred@1958: 	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, false);
pred@1958: 
pred@1958: 	if (!pOutputName)
pred@1958: 	{
pred@1958: 		return 0;
pred@1958: 	}
pred@1958: 
pred@1958: 	//Check for an existing identical hook
pred@1958: 	SourceHook::List<omg_hooks *>::iterator _iter;
pred@1958: 
pred@1958: 	omg_hooks *hook;
pred@1958: 
pred@1958: 	IPluginFunction *pFunction;
pred@1958: 	pFunction = pContext->GetFunctionById(params[3]);
pred@1958: 
pred@1958: 	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
pred@1958: 	{
pred@1958: 		hook = (omg_hooks *)*_iter;
pred@2746: 		if (hook->pf == pFunction && hook->entity_ref == -1)
pred@1958: 		{
pred@1958: 			// remove this hook.
pred@1958: 			if (hook->in_use)
pred@1958: 			{
pred@1958: 				hook->delete_me = true;
pred@1958: 				return 1;
pred@1958: 			}
pred@1958: 
pred@1958: 			pOutputName->hooks.erase(_iter);
pred@1958: 			g_OutputManager.CleanUpHook(hook);
pred@1958: 
pred@1958: 			return 1;
pred@1958: 		}
pred@1958: 	}
pred@1958: 
pred@1958: 	return 0;
pred@1958: }
pred@1958: 
pred@1958: // UnHookSingleEntityOutput(entity, const String:output[], EntityOutput:callback);
pred@1958: cell_t UnHookSingleEntityOutput(IPluginContext *pContext, const cell_t *params)
pred@1958: {
pred@1958: 	if (!g_OutputManager.IsEnabled())
pred@1958: 	{
pred@1958: 		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
pred@1958: 	}
pred@1958: 
pred@1958: 	// Find the classname of the entity and lookup the classname and output structures
pred@2746: 	CBaseEntity *pEntity = gamehelpers->ReferenceToEntity(params[1]);
pred@2746: 	if (!pEntity)
pred@1958: 	{
pred@2746: 		return pContext->ThrowNativeError("Invalid Entity index %i (%i)", gamehelpers->ReferenceToIndex(params[1]), params[1]);
pred@1958: 	}
pred@1958: 
pred@2746: 	const char *classname = g_OutputManager.GetEntityClassname(pEntity);
pred@1958: 
pred@1958: 	char *outputname;
pred@1958: 	pContext->LocalToString(params[2], &outputname);
pred@1958: 
pred@1958: 	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, false);
pred@1958: 
pred@1958: 	if (!pOutputName)
pred@1958: 	{
pred@1958: 		return 0;
pred@1958: 	}
pred@1958: 
pred@1958: 	//Check for an existing identical hook
pred@1958: 	SourceHook::List<omg_hooks *>::iterator _iter;
pred@1958: 
pred@1958: 	omg_hooks *hook;
pred@1958: 
pred@1958: 	IPluginFunction *pFunction;
pred@1958: 	pFunction = pContext->GetFunctionById(params[3]);
pred@1958: 
pred@1958: 	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
pred@1958: 	{
pred@1958: 		hook = (omg_hooks *)*_iter;
pred@2746: 		/* We're not serial checking and just removing by index here - This was always allowed so is left for bcompat */
pred@2746: 		if (hook->pf == pFunction && gamehelpers->ReferenceToIndex(hook->entity_ref) == gamehelpers->ReferenceToIndex(params[1]))
pred@1958: 		{
pred@1958: 			// remove this hook.
pred@1958: 			if (hook->in_use)
pred@1958: 			{
pred@1958: 				hook->delete_me = true;
pred@1958: 				return 1;
pred@1958: 			}
pred@1958: 
pred@1958: 			pOutputName->hooks.erase(_iter);
pred@1958: 			g_OutputManager.CleanUpHook(hook);
pred@1958: 
pred@1958: 			return 1;
pred@1958: 		}
pred@1958: 	}
pred@1958: 
pred@1958: 	return 0;
pred@1958: }
pred@1958: 
pred@1958: sp_nativeinfo_t g_EntOutputNatives[] =
pred@1958: {
pred@1958: 	{"HookEntityOutput",			HookEntityOutput},
pred@1960: 	{"UnhookEntityOutput",			UnHookEntityOutput},
pred@1958: 	{"HookSingleEntityOutput",		HookSingleEntityOutput},
pred@1960: 	{"UnhookSingleEntityOutput",	UnHookSingleEntityOutput},
pred@1958: 	{NULL,							NULL},
pred@2028: };