NSEntity: add Disappear() method. Mods that used Hide() to remove an entity from the active game will have to switch to this instead.

src/shared/NSEntity.h

@@ -171,10 +171,14 @@ class NSEntity:NSTrigger
 	nonvirtual void(void) ReleaseThink;
 	nonvirtual void(void) ClearVelocity;
 
+	/* drawing related */
 	virtual void(void) Show;
 	virtual void(void) Hide;
 	nonvirtual bool(void) IsHidden;
 
+	/* this will not just hide an entity, it'll make it disappear from the game, but not deallocated it */
+	virtual void(void) Disappear;
+
 	virtual void(string, string) SpawnKey;
 	virtual void(void) Destroy;
 	virtual void(void) UpdateBounds;

src/shared/NSEntity.qc

@@ -242,9 +242,6 @@ NSEntity::EndTouch(entity eToucher)
 void
 NSEntity::_TouchHandler(void)
 {
-	if (IsHidden() == true)
-		return;
-
 #ifdef SERVER
 	if (g_grMode.IsTeamplay())
 	if (m_iTeam > 0i)
@@ -1117,6 +1114,13 @@ NSEntity::IsHidden(void)
 	return (effects & EF_NODRAW) ? true : false;
 }
 
+void
+NSEntity::Disappear(void)
+{
+	modelindex = 0;
+	solid = SOLID_NOT;
+}
+
 void
 NSEntity::MakeStatic(void)
 {