Entities now bail out of ticks if destroyed (#3363)

src/Mobs/Chicken.cpp

@@ -23,6 +23,11 @@ cChicken::cChicken(void) :
 void cChicken::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
+	if (!IsTicking())
+	{
+		// The base class tick destroyed us
+		return;
+	}
 
 	if (IsBaby())
 	{