Merge pull request #10185 from Mitchs98/moveresist

Ports Move Force from TG

code/game/objects/effects/effects.dm

@@ -6,6 +6,7 @@
 	icon = 'icons/effects/effects.dmi'
 	burn_state = LAVA_PROOF | FIRE_PROOF
 	resistance_flags = INDESTRUCTIBLE
+	anchored = 1
 	can_be_hit = FALSE
 
 /obj/effect/take_damage(damage_amount, damage_type = BRUTE, damage_flag = 0, sound_effect = 1, attack_dir)

code/game/objects/items.dm

@@ -532,10 +532,10 @@ var/global/image/fire_overlay = image("icon" = 'icons/goonstation/effects/fire.d
 			itempush = 0 // too light to push anything
 		return A.hitby(src, 0, itempush)
 
-/obj/item/throw_at(atom/target, range, speed, mob/thrower, spin=1, diagonals_first = 0, datum/callback/callback)
+/obj/item/throw_at(atom/target, range, speed, mob/thrower, spin=1, diagonals_first = 0, datum/callback/callback, force)
 	thrownby = thrower
 	callback = CALLBACK(src, .proc/after_throw, callback) //replace their callback with our own
-	. = ..(target, range, speed, thrower, spin, diagonals_first, callback)
+	. = ..(target, range, speed, thrower, spin, diagonals_first, callback, force)
 
 /obj/item/proc/after_throw(datum/callback/callback)
 	if(callback) //call the original callback

code/game/objects/obj_defense.dm

@@ -87,6 +87,17 @@
 		return TRUE
 	return FALSE
 
+/obj/force_pushed(atom/movable/pusher, force = MOVE_FORCE_DEFAULT, direction)
+	return TRUE
+
+/obj/move_crushed(atom/movable/pusher, force = MOVE_FORCE_DEFAULT, direction)
+	collision_damage(pusher, force, direction)
+	return TRUE
+	
+/obj/proc/collision_damage(atom/movable/pusher, force = MOVE_FORCE_DEFAULT, direction)
+	var/amt = max(0, ((force - (move_resist * MOVE_FORCE_CRUSH_RATIO)) / (move_resist * MOVE_FORCE_CRUSH_RATIO)) * 10)
+	take_damage(amt, BRUTE)
+
 /obj/blob_act(obj/structure/blob/B)
 	if(isturf(loc))
 		var/turf/T = loc