some fix up

userraw/maps/mp/bots/_bot_internal.gsc

@@ -256,6 +256,10 @@ reload_watch()
 				break;
 
 			weap = self GetCurrentWeapon();
+
+			if (weap == "none")
+				break;
+
 			if (self GetWeaponAmmoClip(weap) >= WeaponClipSize(weap))
 				break;
 		}
@@ -459,6 +463,9 @@ watchGrenadeFire()
 	{
 		self waittill( "grenade_fire", nade, weapname );
 
+		if (!isDefined(nade))
+			continue;
+
 		if (weapname == "c4_mp")
 			self thread watchC4Thrown(nade);
 	}
@@ -2175,6 +2182,27 @@ smoke(time)
 	self.bot.issmokingafter = false;
 }
 
+/*
+	Bot will press use for a time.
+*/
+use(time)
+{
+	self endon("death");
+	self endon("disconnect");
+	self notify("bot_use");
+	self endon("bot_use");
+
+	if(!isDefined(time))
+		time = 0.05;
+	
+	self botAction("+use");
+	
+	if(time)
+		wait time;
+	
+	self botAction("-use");
+}
+
 /*
 	Bot will fire if true or not.
 */