fix rare crash bug in SDKTools GetGameRulesProxyEnt

extensions/sdktools/gamerulesnatives.cpp

@@ -53,6 +53,10 @@ static CBaseEntity *FindEntityByNetClass(int start, const char *classname)
 		if (network == NULL)
 			continue;
 
+		IHandleEntity *pHandleEnt = network->GetEntityHandle();
+		if (pHandleEnt == NULL)
+			continue;
+
 		ServerClass *sClass = network->GetServerClass();
 		const char *name = sClass->GetName();
 

extensions/sdktools/output.cpp

@@ -52,6 +52,7 @@ void EntityOutputManager::Shutdown()
 		return;
 	}
 
+	EntityOutputs->Destroy();
 	ClassNames->Destroy();
 	fireOutputDetour->Destroy();
 }
@@ -65,6 +66,7 @@ void EntityOutputManager::Init()
 		return;
 	}
 
+	EntityOutputs = adtfactory->CreateBasicTrie();
 	ClassNames = adtfactory->CreateBasicTrie();
 }
 
@@ -118,9 +120,17 @@ bool EntityOutputManager::FireEventDetour(void *pOutput, CBaseEntity *pActivator
 		return true;
 	}
 
+	char sOutput[20];
+	ke::SafeSprintf(sOutput, sizeof(sOutput), "%p", pOutput);
+
 	// attempt to directly lookup a hook using the pOutput pointer
 	OutputNameStruct *pOutputName = NULL;
 
+	bool fastLookup = false;
+	
+	// Fast lookup failed - check the slow way for hooks that haven't fired yet
+	if ((fastLookup = EntityOutputs->Retrieve(sOutput, (void **)&pOutputName)) == false)
+	{
 		const char *classname = gamehelpers->GetEntityClassname(pCaller);
 		if (!classname)
 		{
@@ -139,9 +149,16 @@ bool EntityOutputManager::FireEventDetour(void *pOutput, CBaseEntity *pActivator
 		{
 			return true;
 		}
+	}
 
 	if (!pOutputName->hooks.empty())
 	{
+		if (!fastLookup)
+		{
+			// hook exists on this classname and output - map it into our quick find trie
+			EntityOutputs->Insert(sOutput, pOutputName);
+		}
+
 		SourceHook::List<omg_hooks *>::iterator _iter;
 
 		omg_hooks *hook;

extensions/sdktools/output.h

@@ -121,6 +121,8 @@ private:
 
 	const char *FindOutputName(void *pOutput, CBaseEntity *pCaller);
 
+	//Maps CEntityOutput * to a OutputNameStruct
+	IBasicTrie *EntityOutputs;
 	// Maps classname to a ClassNameStruct
 	IBasicTrie *ClassNames;