Blockwise mazes

code/modules/maze_generation/helper_modules/_helper_module_base.dm

@@ -1,12 +1,14 @@
 /obj/effect/mazegen/module_helper
 	name = "maze helper"
-	desc = "You should not be seeing this!"
 
 /**
   * Helper handler proc
   *
   * This exists as an overridable method so you can do custom helper logic.
   * An example of this is removing all windows on a tile.
+  *
+  * Arguments:
+  * * blockwise - This will be TRUE if the maze this is running on is a blockwise maze
   */
-/obj/effect/mazegen/module_helper/proc/helper_run()
+/obj/effect/mazegen/module_helper/proc/helper_run(blockwise = FALSE, obj/effect/mazegen/host)
 	CRASH("spawn_loot() not overriden for [type]")

code/modules/maze_generation/helper_modules/entry_exit.dm

@@ -2,8 +2,12 @@
 /obj/effect/mazegen/module_helper/entry_exit
 	name = "entrance/exit allocator"
 
-/obj/effect/mazegen/module_helper/entry_exit/helper_run()
-	for(var/obj/structure/window/reinforced/mazeglass/MG in get_turf(src))
-		qdel(MG)
+/obj/effect/mazegen/module_helper/entry_exit/helper_run(blockwise = FALSE, obj/effect/mazegen/host)
+	if(blockwise)
+		var/turf/T = get_turf(src)
+		var/obj/effect/mazegen/generator/blockwise/BWG = host
+		T.ChangeTurf(BWG.floor_material)
+	else
+		for(var/obj/structure/window/reinforced/mazeglass/MG in get_turf(src))
+			qdel(MG)
 
-	qdel(src)