Works on New Blob

code/game/objects/effects/chem/water.dm

@@ -3,7 +3,7 @@
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "extinguish"
 	mouse_opacity = 0
-	pass_flags = PASSTABLE | PASSGRILLE
+	pass_flags = PASSTABLE | PASSGRILLE | PASSBLOB
 
 /obj/effect/effect/water/New(loc)
 	..()
@@ -27,7 +27,7 @@
 			var/mob/M
 			for(var/atom/A in T)
 				if(!ismob(A) && A.simulated) // Mobs are handled differently
-					reagents.touch(A)
+					reagents.touch(A, reagents.total_volume)
 				else if(ismob(A) && !M)
 					M = A
 			if(M)

code/game/objects/effects/explosion_particles.dm

@@ -67,4 +67,10 @@
 	spawn(5)
 		var/datum/effect/effect/system/smoke_spread/S = new/datum/effect/effect/system/smoke_spread()
 		S.set_up(5,0,location,null)
-		S.start()
+		S.start()
+
+/datum/effect/system/explosion/smokeless/start()
+	new/obj/effect/explosion(location)
+	var/datum/effect/system/expl_particles/P = new/datum/effect/system/expl_particles()
+	P.set_up(10,location)
+	P.start()

code/game/objects/items/weapons/grenades/flashbang.dm

@@ -16,10 +16,11 @@
 		for(var/mob/living/carbon/M in hear(7, get_turf(src)))
 			bang(get_turf(src), M)
 
-		for(var/obj/effect/blob/B in hear(8,get_turf(src)))       		//Blob damage here
+		for(var/obj/structure/blob/B in hear(8,get_turf(src)))       		//Blob damage here
 			var/damage = round(30/(get_dist(B,get_turf(src))+1))
-			B.health -= damage
-			B.update_icon()
+			if(B.overmind)
+				damage *= B.overmind.blob_type.burn_multiplier
+			B.adjust_integrity(-damage)
 
 		new/obj/effect/effect/sparks(src.loc)
 		new/obj/effect/effect/smoke/illumination(src.loc, 5, range=30, power=30, color="#FFFFFF")

code/game/objects/items/weapons/material/twohanded.dm

@@ -83,6 +83,7 @@
 	base_icon = "fireaxe"
 	name = "fire axe"
 	desc = "Truly, the weapon of a madman. Who would think to fight fire with an axe?"
+	description_info = "This weapon can cleave, striking nearby lesser, hostile enemies close to the primary target.  It must be held in both hands to do this."
 	unwielded_force_divisor = 0.25
 	force_divisor = 0.7 // 10/42 with hardness 60 (steel) and 0.25 unwielded divisor
 	dulled_divisor = 0.75	//Still metal on a stick
@@ -123,6 +124,12 @@
 			var/obj/effect/plant/P = A
 			P.die_off()
 
+// This cannot go into afterattack since some mobs delete themselves upon dying.
+/obj/item/weapon/material/twohanded/fireaxe/pre_attack(var/mob/living/target, var/mob/living/user)
+	if(istype(target))
+		cleave(user, target)
+	..()
+
 /obj/item/weapon/material/twohanded/fireaxe/scythe
 	icon_state = "scythe0"
 	base_icon = "scythe"

code/game/objects/structures/crates_lockers/closets.dm

@@ -185,6 +185,9 @@
 					A.forceMove(src.loc)
 				qdel(src)
 
+/obj/structure/closet/blob_act()
+	damage(100)
+
 /obj/structure/closet/proc/damage(var/damage)
 	health -= damage
 	if(health <= 0)

code/game/objects/structures/girders.dm

@@ -43,6 +43,9 @@
 
 	return
 
+/obj/structure/girder/blob_act()
+	dismantle()
+
 /obj/structure/girder/proc/reset_girder()
 	anchored = 1
 	cover = initial(cover)

code/game/objects/structures/inflatable.dm

@@ -66,6 +66,9 @@
 				deflate(1)
 				return
 
+/obj/structure/inflatable/blob_act()
+	deflate(1)
+
 /obj/structure/inflatable/attack_hand(mob/user as mob)
 		add_fingerprint(user)
 		return

code/game/objects/structures/window.dm

@@ -128,6 +128,9 @@
 				shatter(0)
 				return
 
+/obj/structure/window/blob_act()
+	take_damage(50)
+
 //TODO: Make full windows a separate type of window.
 //Once a full window, it will always be a full window, so there's no point
 //having the same type for both.

code/game/objects/weapons.dm

@@ -2,6 +2,7 @@
 	name = "weapon"
 	icon = 'icons/obj/weapons.dmi'
 	hitsound = "swing_hit"
+	var/cleaving = FALSE // Used to avoid infinite cleaving.
 
 /obj/item/weapon/Bump(mob/M as mob)
 	spawn(0)
@@ -12,4 +13,28 @@
 	item_icons = list(
 			slot_l_hand_str = 'icons/mob/items/lefthand_melee.dmi',
 			slot_r_hand_str = 'icons/mob/items/righthand_melee.dmi',
-			)
+			)
+
+// Attacks mobs (atm only simple ones due to friendly fire issues) that are adjacent to the target and user.
+/obj/item/weapon/proc/cleave(var/mob/living/user, var/mob/living/target)
+	if(cleaving)
+		return // We're busy.
+	cleaving = TRUE
+	var/hit_mobs = 0
+	for(var/mob/living/simple_animal/SA in orange(get_turf(target), 1))
+		if(SA.stat == DEAD) // Don't beat a dead horse.
+			continue
+		if(SA == user) // Don't hit ourselves.  Simple mobs shouldn't be able to do this but that might change later to be able to hit all mob/living-s.
+			continue
+		if(SA == target) // We (presumably) already hit the target before cleave() was called.  orange() should prevent this but just to be safe...
+			continue
+		if(user.faction == SA.faction) // Avoid friendly fire.
+			continue
+		if(!SA.Adjacent(user) || !SA.Adjacent(target)) // Cleaving only hits mobs near the target mob and user.
+			continue
+		if(resolve_attackby(SA, user)) // Hit them with the weapon.  This won't cause recursive cleaving due to the cleaving variable being set to true.
+			hit_mobs++
+
+	if(hit_mobs)
+		to_chat(user, "<span class='danger'>You used \the [src] to attack [hit_mobs] other thing\s!<span>")
+	cleaving = FALSE // We're done now.