working ricochets

code/__DEFINES/projectiles.dm

@@ -1,12 +1,3 @@
-/// This atom should be ricocheted off of from its inherent properties using standard % chance handling.
-#define PROJECTILE_RICOCHET_YES 1
-/// This atom should not be ricocheted off of from its inherent properties.
-#define PROJECTILE_RICOCHET_NO 2
-/// This atom should prevent any kind of projectile ricochet from its inherent properties.
-#define PROJECTILE_RICOCHET_PREVENT 3
-/// This atom should force a projectile ricochet from its inherent properties.
-#define PROJECTILE_RICOCHET_FORCE 4
-
 //bullet_act() return values
 #define BULLET_ACT_HIT				"HIT"		//It's a successful hit, whatever that means in the context of the thing it's hitting.
 #define BULLET_ACT_BLOCK			"BLOCK"		//It's a blocked hit, whatever that means in the context of the thing it's hitting.

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

code/modules/antagonists/blob/blob/blobs/shield.dm

@@ -45,11 +45,8 @@
 	desc = "A solid wall of slightly twitching tendrils with a reflective glow."
 	damaged_desc = "A wall of twitching tendrils with a reflective glow."
 	icon_state = "blob_glow"
+	flags_ricochet = RICOCHET_SHINY
 	point_return = 8
 	max_integrity = 100
 	brute_resist = 1
 	explosion_block = 2
-
-/obj/structure/blob/shield/reflective/check_projectile_ricochet(obj/item/projectile/P)
-	return PROJECTILE_RICOCHET_FORCE
-

code/modules/projectiles/ammunition/_firing.dm

@@ -37,9 +37,11 @@
 		var/obj/item/gun/G = fired_from
 		BB.damage *= G.projectile_damage_multiplier
 		if(HAS_TRAIT(user, TRAIT_INSANE_AIM))
-			BB.ricochets_max = max(BB.ricochets_max, 20) //bouncy!
+			BB.ricochets_max = max(BB.ricochets_max, 10) //bouncy!
 			BB.ricochet_chance = max(BB.ricochet_chance, 200) //it decays
 			BB.ricochet_auto_aim_range = max(BB.ricochet_auto_aim_range, 3)
+			BB.ricochet_auto_aim_angle = max(BB.ricochet_auto_aim_angle, 30)
+			BB.ricochet_decay_chance = min(BB.ricochet_decay_chance, 1)
 			BB.ricochet_incidence_leeway = 0
 
 	if(reagents && BB.reagents)

code/modules/projectiles/projectile.dm

@@ -316,16 +316,18 @@
 	if(!trajectory)
 		return
 	var/turf/T = get_turf(A)
-	if(check_ricochet(A) && A.handle_ricochet(src)) //if you can ricochet, attempt to ricochet off the object
-		on_ricochet(A) //if allowed, use autoaim to ricochet into someone, otherwise default to ricocheting off the object from above
-		var/datum/point/pcache = trajectory.copy_to()
-		if(hitscan)
-			store_hitscan_collision(pcache)
-		decayedRange = max(0, decayedRange - reflect_range_decrease)
-		ricochet_chance *= ricochet_decay_chance
-		damage *= ricochet_decay_damage
-		range = decayedRange
-		return TRUE
+	if(check_ricochet(A) && check_ricochet_flag(A)) //if you can ricochet, attempt to ricochet off the object
+		ricochets++
+		if(A.handle_ricochet(src))
+			on_ricochet(A) //if allowed, use autoaim to ricochet into someone, otherwise default to ricocheting off the object from above
+			var/datum/point/pcache = trajectory.copy_to()
+			if(hitscan)
+				store_hitscan_collision(pcache)
+			decayedRange = max(0, decayedRange - reflect_range_decrease)
+			ricochet_chance *= ricochet_decay_chance
+			damage *= ricochet_decay_damage
+			range = decayedRange
+			return TRUE
 
 	var/distance = get_dist(T, starting) // Get the distance between the turf shot from and the mob we hit and use that for the calculations.
 	if(def_zone && check_zone(def_zone) != BODY_ZONE_CHEST)
@@ -401,24 +403,12 @@
 	//Returns null if nothing at all was found.
 
 /obj/item/projectile/proc/check_ricochet(atom/A)
-	if(ricochets > ricochets_max)		//safety thing, we don't care about what the other thing says about this.
-		return FALSE
-	var/them = A.check_projectile_ricochet(src)
-	switch(them)
-		if(PROJECTILE_RICOCHET_PREVENT)
-			return FALSE
-		if(PROJECTILE_RICOCHET_FORCE)
-			return TRUE
-		if(PROJECTILE_RICOCHET_NO)
-			return FALSE
-		if(PROJECTILE_RICOCHET_YES)
-			var/chance = ricochet_chance * A.ricochet_chance_mod
-			if(firer && HAS_TRAIT(firer, TRAIT_NICE_SHOT))
-				chance += NICE_SHOT_RICOCHET_BONUS
-			if(prob(chance))
-				return TRUE
-		else
-			CRASH("Invalid return value for projectile ricochet check from [A].")
+	var/chance = ricochet_chance * A.ricochet_chance_mod
+	if(firer && HAS_TRAIT(firer, TRAIT_NICE_SHOT))
+		chance += NICE_SHOT_RICOCHET_BONUS
+	if(prob(chance))
+		return TRUE
+	return FALSE
 
 /obj/item/projectile/proc/check_ricochet_flag(atom/A)
 	if((flag in list("energy", "laser")) && (A.flags_ricochet & RICOCHET_SHINY))