Ports VG's DeityLink's new explosion method

code/game/objects/explosion.dm

@@ -74,16 +74,40 @@ proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impa
 		for(var/turf/T in trange(max_range, epicenter))
 			var/dist = cheap_pythag(T.x - x0,T.y - y0)
 
+			if(config.reactionary_explosions)
+				var/turf/Trajectory = T
+				while(Trajectory != epicenter)
+					Trajectory = get_step_towards(Trajectory, epicenter)
+					if(Trajectory.density && Trajectory.explosion_block)
+						dist += Trajectory.explosion_block
+
+					for(var/obj/machinery/door/D in Trajectory)
+						if(D.density && D.explosion_block)
+							dist += D.explosion_block
+
+			var/throw_dist = dist
+
 			if(dist < devastation_range)		dist = 1
 			else if(dist < heavy_impact_range)	dist = 2
 			else if(dist < light_impact_range)	dist = 3
-			else								continue
+			else								dist = 0
 
-			T.ex_act(dist)
 			if(T)
-				for(var/atom_movable in T.contents)	//bypass type checking since only atom/movable can be contained by turfs anyway
-					var/atom/movable/AM = atom_movable
-					if(AM)	AM.ex_act(dist)
+//				if(flame_dist && prob(40) && !istype(T, /turf/space) && !T.density)
+//					PoolOrNew(/obj/effect/hotspot, T) //Mostly for ambience!
+				if(dist > 0)
+					T.ex_act(dist)
+
+			//--- THROW ITEMS AROUND ---
+
+			var/throw_dir = get_dir(epicenter,T)
+			for(var/obj/item/I in T)
+				spawn(0) //Simultaneously not one at a time
+					if(I)
+						var/throw_range = rand(throw_dist, max_range)
+						var/turf/throw_at = get_ranged_target_turf(I, throw_dir, throw_range)
+						I.throw_speed = 4 //Temporarily change their throw_speed for embedding purposes (Reset when it finishes throwing, regardless of hitting anything)
+						I.throw_at(throw_at, throw_range, 2)//Throw it at 2 speed, this is purely visual anyway.
 
 		var/took = (world.timeofday-start)/10
 		//You need to press the DebugGame verb to see these now....they were getting annoying and we've collected a fair bit of data. Just -test- changes  to explosion code using this please so we can compare
@@ -109,3 +133,71 @@ proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impa
 proc/secondaryexplosion(turf/epicenter, range)
 	for(var/turf/tile in trange(range, epicenter))
 		tile.ex_act(2)
+
+/client/proc/check_bomb_impacts()
+	set name = "Check Bomb Impact"
+	set category = "Debug"
+
+	var/newmode = alert("Use reactionary explosions?","Check Bomb Impact", "Yes", "No")
+
+	var/turf/epicenter = get_turf(src)
+	var/dev = 0
+	var/heavy = 0
+	var/light = 0
+	var/list/choices = list("Small Bomb","Medium Bomb","Big Bomb","Custom Bomb")
+	var/choice = input("Bomb Size?") in choices
+	switch(choice)
+		if(null)
+			return 0
+		if("Small Bomb")
+			dev = 1
+			heavy = 2
+			light = 3
+		if("Medium Bomb")
+			dev = 2
+			heavy = 3
+			light = 4
+		if("Big Bomb")
+			dev = 3
+			heavy = 5
+			light = 7
+		if("Custom Bomb")
+			dev = input("Devestation range (Tiles):") as num
+			heavy = input("Heavy impact range (Tiles):") as num
+			light = input("Light impact range (Tiles):") as num
+
+	var/max_range = max(dev, heavy, light)
+	var/x0 = epicenter.x
+	var/y0 = epicenter.y
+	var/list/wipe_colours = list()
+	for(var/turf/T in trange(max_range, epicenter))
+		wipe_colours += T
+		var/dist = cheap_pythag(T.x - x0, T.y - y0)
+
+		if(newmode == "Yes")
+			var/turf/TT = T
+			while(TT != epicenter)
+				TT = get_step_towards(TT,epicenter)
+				if(TT.density && TT.explosion_block)
+					dist += TT.explosion_block
+
+				for(var/obj/machinery/door/D in TT)
+					if(D.density && D.explosion_block)
+						dist += D.explosion_block
+
+		if(dist < dev)
+			T.color = "red"
+			T.maptext = "Dev"
+		else if (dist < heavy)
+			T.color = "yellow"
+			T.maptext = "Heavy"
+		else if (dist < light)
+			T.color = "blue"
+			T.maptext = "Light"
+		else
+			continue
+
+	sleep(100)
+	for(var/turf/T in wipe_colours)
+		T.color = null
+		T.maptext = ""