controllers done i guess

game/client/entitysystem.h

@@ -14,6 +14,7 @@ class IEntityFactory;
 class C_BaseEntity;
 
 #define MAX_EDICTS 8192
+#define EDICT_INDEX_UNDEFINED (-1U)
 
 class CEntitySystem
 {
@@ -35,6 +36,8 @@ public:
 	virtual void NetSendThink( INetworkBase *pBase );
 
 	virtual C_BaseEntity **GetEntities();
+
+	virtual C_BaseEntity *GetEntityByIndex( int idx );
 private:
 	C_BaseEntity *m_pEntities[MAX_EDICTS];
 	int m_nEntityCount;