Function HookSingleEntityOutput

extensions/sdktools/outputnatives.cpp:47–109

HookSingleEntityOutput(int ent, const char[] output, EntityOutput function, bool once);

// HookSingleEntityOutput(int ent, const char[] output, EntityOutput function, bool once);
cell_t HookSingleEntityOutput(IPluginContext *pContext, const cell_t *params)
{
	if (!g_OutputManager.IsEnabled())
	{
		return pContext->ThrowNativeError("Entity Outputs are disabled - See error logs for details");
	}

	CBaseEntity *pEntity = gamehelpers->ReferenceToEntity(params[1]);
	if (!pEntity)
	{
		return pContext->ThrowNativeError("Invalid Entity index %i (%i)", gamehelpers->ReferenceToIndex(params[1]), params[1]);
	}

	const char *classname = gamehelpers->GetEntityClassname(pEntity);

	char *outputname;
	pContext->LocalToString(params[2], &outputname);

	OutputNameStruct *pOutputName = g_OutputManager.FindOutputPointer((const char *)classname, outputname, true);

	//Check for an existing identical hook
	SourceHook::List<omg_hooks *>::iterator _iter;

	omg_hooks *hook;

	IPluginFunction *pFunction;
	pFunction = pContext->GetFunctionById(params[3]);

	for (_iter=pOutputName->hooks.begin(); _iter!=pOutputName->hooks.end(); _iter++)
	{
		hook = (omg_hooks *)*_iter;
		if (hook->pf == pFunction && hook->entity_ref == gamehelpers->EntityToReference(pEntity))
		{
			return 0;
		}
	}

	hook = g_OutputManager.NewHook();

	hook->entity_ref = gamehelpers->EntityToReference(pEntity);
	hook->only_once= !!params[4];
	hook->pf = pFunction;
	hook->m_parent = pOutputName;
	hook->in_use = false;
	hook->delete_me = false;

	pOutputName->hooks.push_back(hook);

	g_OutputManager.OnHookAdded();

	IPlugin *pPlugin = plsys->FindPluginByContext(pContext);
	SourceHook::List<omg_hooks *> *pList = NULL;

	if (!pPlugin->GetProperty("OutputHookList", (void **)&pList, false) || !pList)
	{
		pList = new SourceHook::List<omg_hooks *>;
		pPlugin->SetProperty("OutputHookList", pList);
	}