Adds a few turf istype helpers (#20754)

* a very calming act
when the world is too much, too fast

* i'm tired
but i have to be efficient, infinite

* lick your lips at the sight of me
a fantasy made reality

code/modules/projectiles/guns/energy.dm

@@ -155,7 +155,7 @@
 		return (OXYLOSS)
 
 /obj/item/weapon/gun/energy/proc/robocharge()
-	if(isrobot(src.loc))
+	if(iscyborg(src.loc))
 		var/mob/living/silicon/robot/R = src.loc
 		if(R && R.cell)
 			var/obj/item/ammo_casing/energy/shot = ammo_type[select] //Necessary to find cost of shot

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

@@ -182,7 +182,7 @@
 	var/turf/target_turf = get_turf(target)
 	if(!target_turf)
 		target_turf = get_turf(src)
-	if(istype(target_turf, /turf/closed/mineral))
+	if(ismineralturf(target_turf))
 		var/turf/closed/mineral/M = target_turf
 		M.gets_drilled(firer)
 	var/obj/effect/overlay/temp/kinetic_blast/K = PoolOrNew(/obj/effect/overlay/temp/kinetic_blast, target_turf)
@@ -191,7 +191,7 @@
 		PoolOrNew(type, target_turf)
 	if(turf_aoe)
 		for(var/T in RANGE_TURFS(1, target_turf) - target_turf)
-			if(istype(T, /turf/closed/mineral))
+			if(ismineralturf(T))
 				var/turf/closed/mineral/M = T
 				M.gets_drilled(firer)
 	if(mob_aoe)

code/modules/projectiles/projectile/magic.dm

@@ -126,7 +126,7 @@
 		OpenDoor(target)
 	else
 		var/turf/T = get_turf(target)
-		if(istype(T,/turf/closed) && !istype(T, /turf/closed/indestructible))
+		if(isclosedturf(T) && !istype(T, /turf/closed/indestructible))
 			CreateDoor(T)
 
 /obj/item/projectile/magic/door/proc/CreateDoor(turf/T)

code/modules/projectiles/projectile/special.dm

@@ -184,7 +184,7 @@
 
 /obj/item/projectile/plasma/on_hit(atom/target)
 	. = ..()
-	if(istype(target, /turf/closed/mineral))
+	if(ismineralturf(target))
 		var/turf/closed/mineral/M = target
 		M.gets_drilled(firer)
 		Range()