item_ctfbackpack: add bleep1 noise when refreshing ammo

src/server/gamerules_ctf.qc

@@ -240,7 +240,7 @@ void
 CSEv_ClassJoin_f(float classSelection)
 {
 	OP4CTFRules rule = (OP4CTFRules)g_grMode;
-	string playerModel;
+	string playerModel = "";
 	player pl = (player)self;
 
 	/* random black mesa char */
@@ -291,6 +291,10 @@ CSEv_ClassJoin_f(float classSelection)
 		break;
 	}
 
+	if (playerModel == "") {
+		error("invalid model selection, erroring out");
+	}
+
 	/* if we're alive, kill them (we need to drop the flag anyhow */
 	if (pl.IsAlive()) {
 		pl.m_oldModel = playerModel;

src/server/item_ctfbackpack.qc

@@ -49,4 +49,6 @@ item_ctfbackpack::Spawned(void)
 	m_vecScoreColor = [1,1,0];
 	model = "models/w_backpack.mdl";
 	super::Spawned();
+
+	Sound_Precache("op4ctf_backpack.refresh");
 }

src/shared/player_ctf.qc

@@ -32,7 +32,7 @@ player::PowerupThink(void)
 
 		if (activeweapon) {
 			if (Weapons_AddItem(this, activeweapon, 1)) {
-				print("added ammo\n");
+				StartSoundDef("op4ctf_backpack.refresh", CHAN_ITEM, false);
 			}
 		}
 	}

zpak001.pk3dir/sound/op4ctf.sndshd

@@ -21,3 +21,9 @@ op4ctf_op4.flag_capture
 	attenuation none
 	sample "ctf/marine_flag_capture.wav"
 }
+
+op4ctf_backpack.refresh
+{
+	attenuation none
+	sample "buttons/blip1.wav"
+}