Temperature Guns Fun (#5582)

## About The Pull Request


## Why It's Good For The Game
We have both the thermal guns and the temperature guns already in the
game.
In their current state neither of them are ever used as the math behind
the scenes are way outdated.
This will bring them up to speed and make them actually useful now.

## Changelog
Alters how the temperature calculations are done for the temperature
guns to ensure that they'll actually change the temperature of their
targets in a meaningful way.
This makes them useable in combination with the thermal guns.

:cl:
balance: Completely rebalanced the temperature guns.
add: New firemode on the temperature guns
/:cl:

code/modules/projectiles/ammunition/energy/special.dm

@@ -34,13 +34,18 @@
 
 /obj/item/ammo_casing/energy/temp
 	projectile_type = /obj/projectile/temp
-	select_name = "freeze"
+	select_name = "chill"
 	e_cost = 250
 	fire_sound = 'sound/weapons/pulse3.ogg'
 
 /obj/item/ammo_casing/energy/temp/hot
 	projectile_type = /obj/projectile/temp/hot
-	select_name = "bake"
+	select_name = "heat"
+
+/obj/item/ammo_casing/energy/temp/cryo
+	projectile_type = /obj/projectile/temp/cryo
+	select_name = "freeze"
+	e_cost = 500
 
 /obj/item/ammo_casing/energy/meteor
 	projectile_type = /obj/projectile/meteor

code/modules/projectiles/guns/energy/special.dm

@@ -331,19 +331,17 @@
 	icon_state = "freezegun"
 	desc = "A gun that changes temperatures. Comes with a collapsible stock."
 	w_class = WEIGHT_CLASS_NORMAL
-	ammo_type = list(/obj/item/ammo_casing/energy/temp, /obj/item/ammo_casing/energy/temp/hot)
+	ammo_type = list(/obj/item/ammo_casing/energy/temp, /obj/item/ammo_casing/energy/temp/hot, /obj/item/ammo_casing/energy/temp/cryo)
 	cell_type = /obj/item/stock_parts/cell/high
-	pin = null
+	pin = /obj/item/firing_pin
 
 /obj/item/gun/energy/temperature/security
 	name = "security temperature gun"
 	desc = "A weapon that can only be used to its full potential by the truly robust."
-	pin = /obj/item/firing_pin
 
 /obj/item/gun/energy/temperature/freeze
 	name = "cryogenic temperature gun"
 	desc = "A gun that reduces temperatures. Only for those with ice in their veins."
-	pin = /obj/item/firing_pin
 	ammo_type = list(/obj/item/ammo_casing/energy/temp)
 
 /obj/item/gun/energy/gravity_gun

code/modules/projectiles/projectile/special/temperature.dm

@@ -5,9 +5,9 @@
 	damage_type = BURN
 	armor_flag = ENERGY
 	/// What temp to trend the target towards
-	var/temperature = HYPOTHERMIA - 2 CELCIUS
+	var/temperature = HYPOTHERMIA - 50 CELCIUS
 	/// How much temp per shot to apply
-	var/temperature_mod_per_shot = 0.25
+	var/temperature_mod_per_shot = 0.5
 
 /obj/projectile/temp/is_hostile_projectile()
 	return BODYTEMP_NORMAL - temperature != 0 // our damage is done by cooling or heating (casting to boolean here)
@@ -16,16 +16,17 @@
 	. = ..()
 	if(isliving(target))
 		var/mob/living/M = target
-		M.adjust_bodytemperature(temperature_mod_per_shot * ((100-blocked) / 100) * (temperature - M.bodytemperature), use_insulation = TRUE)
+		M.adjust_bodytemperature(temperature_mod_per_shot * ((100-blocked) / 100) * (temperature - M.bodytemperature), temperature, BODYTEMP_NORMAL, use_insulation = TRUE)
 
 /obj/projectile/temp/hot
 	name = "heat beam"
-	temperature = CELCIUS_TO_KELVIN(50 CELCIUS) // Raise the body temp by 100 points
+	temperature = HYPERTHERMIA + 25 CELCIUS
 
 /obj/projectile/temp/cryo
 	name = "cryo beam"
 	range = 3
-	temperature_mod_per_shot = 1.5 // get this guy really chilly really fast
+	temperature = HYPOTHERMIA - 75 CELCIUS
+	temperature_mod_per_shot = 2.5 // get this guy really chilly really fast
 
 /obj/projectile/temp/cryo/on_hit(atom/target, blocked, pierce_hit)
 	. = ..()