working ricochets

code/game/atoms.dm

@@ -156,13 +156,6 @@
 
 	return ..()
 
-/**
-  * Checks if a projectile should ricochet off of us. Projectiles get final say.
-  * [__DEFINES/projectiles.dm] for return values.
-  */
-/atom/proc/check_projectile_ricochet(obj/item/projectile/P)
-	return (flags_1 & DEFAULT_RICOCHET_1)? PROJECTILE_RICOCHET_YES : PROJECTILE_RICOCHET_NO
-
 /atom/proc/handle_ricochet(obj/item/projectile/P)
 	var/turf/p_turf = get_turf(P)
 	var/face_direction = get_dir(src, p_turf)

code/game/turfs/simulated/wall/mineral_walls.dm

@@ -191,7 +191,8 @@
 	icon = 'icons/turf/walls/shuttle_wall.dmi'
 	icon_state = "map-shuttle"
 	explosion_block = 3
-	flags_1 = CAN_BE_DIRTY_1 | DEFAULT_RICOCHET_1
+	flags_1 = CAN_BE_DIRTY_1
+	flags_ricochet = RICOCHET_SHINY | RICOCHET_HARD
 	sheet_type = /obj/item/stack/sheet/mineral/titanium
 	smooth = SMOOTH_MORE|SMOOTH_DIAGONAL
 	canSmoothWith = list(/turf/closed/wall/mineral/titanium, /obj/machinery/door/airlock/shuttle, /obj/machinery/door/airlock, /obj/structure/window/shuttle, /obj/structure/shuttle/engine/heater, /obj/structure/falsewall/titanium)

code/game/turfs/simulated/walls.dm

@@ -6,7 +6,7 @@
 	icon = 'icons/turf/walls/wall.dmi'
 	icon_state = "wall"
 	explosion_block = 1
-
+	flags_ricochet = RICOCHET_HARD
 	thermal_conductivity = WALL_HEAT_TRANSFER_COEFFICIENT
 	heat_capacity = 312500 //a little over 5 cm thick , 312500 for 1 m by 2.5 m by 0.25 m plasteel wall
 	attack_hand_speed = 8