Merge pull request #10037 from Ghommie/Ghommie-cit421

Doubles locomotion circuit ext cooldown. Nerfs gun & pneumatic cannons circuits with sanity checks.

code/modules/projectiles/gun.dm

@@ -198,8 +198,13 @@
 
 /obj/item/gun/can_trigger_gun(mob/living/user)
 	. = ..()
+	if(!.)
+		return
 	if(!handle_pins(user))
 		return FALSE
+	if(HAS_TRAIT(user, TRAIT_PACIFISM) && chambered?.harmful) // If the user has the pacifist trait, then they won't be able to fire [src] if the round chambered inside of [src] is lethal.
+		to_chat(user, "<span class='notice'> [src] is lethally chambered! You don't want to risk harming anyone...</span>")
+		return FALSE
 
 /obj/item/gun/proc/handle_pins(mob/living/user)
 	if(pin)
@@ -275,10 +280,6 @@
 			addtimer(CALLBACK(src, .proc/process_burst, user, target, message, params, zone_override, sprd, randomized_gun_spread, randomized_bonus_spread, rand_spr, i), fire_delay * (i - 1))
 	else
 		if(chambered)
-			if(HAS_TRAIT(user, TRAIT_PACIFISM)) // If the user has the pacifist trait, then they won't be able to fire [src] if the round chambered inside of [src] is lethal.
-				if(chambered.harmful) // Is the bullet chambered harmful?
-					to_chat(user, "<span class='notice'> [src] is lethally chambered! You don't want to risk harming anyone...</span>")
-					return
 			sprd = round((rand() - 0.5) * DUALWIELD_PENALTY_EXTRA_MULTIPLIER * (randomized_gun_spread + randomized_bonus_spread))
 			if(!chambered.fire_casing(target, user, params, , suppressed, zone_override, sprd, src))
 				shoot_with_empty_chamber(user)