NSEntity: add empty DebugDraw method for listen servers.

src/shared/NSEntity.h

@@ -120,10 +120,11 @@ public:
 	virtual void Input(entity,string,string);
 	virtual void Save(float);
 	virtual void Restore(string,string);
-
-	/** Called when we need to re-align the entity to our parent entity. */
 	virtual void ParentUpdate(void);
 
+	/* Server-side rendering function. Expensive, but useful. */
+	virtual void DebugDraw(void);
+
 	/** Run each tic after physics are run to determine if we need to send updates over the network. */
 	virtual void EvaluateEntity(void);
 

src/shared/NSEntity.qc

@@ -189,6 +189,12 @@ void NSEntity::postdraw( void ) {
 
 
 #else
+void
+NSEntity::DebugDraw(void)
+{
+
+}
+
 /* Make sure StartFrame calls this */
 float NSEntity::SendEntity( entity ePEnt, float flChanged ) {
 	if ( !modelindex )