diff --git a/_maps/DiscStation.dm b/_maps/DiscStation.dm
index 1b163f1c880f..059d4c6166e9 100644
--- a/_maps/DiscStation.dm
+++ b/_maps/DiscStation.dm
@@ -15,6 +15,7 @@ Names of z-level do not matter, but order does greatly, for instances such as ch
         #include "map_files\generic\z7.dmm"
 
 
+		#define MAP_PATH "map_files/DiscStation"
         #define MAP_FILE "DiscStation.dmm"
         #define MAP_NAME "DiscStation"
 
diff --git a/_maps/asteroidstation.dm b/_maps/asteroidstation.dm
index c337bda0cbb2..88c7ee1ebe3d 100644
--- a/_maps/asteroidstation.dm
+++ b/_maps/asteroidstation.dm
@@ -14,6 +14,7 @@ Names of z-level do not matter, but order does greatly, for instances such as ch
         #include "map_files\generic\z6.dmm"
         #include "map_files\generic\z7.dmm"
 
+		#define MAP_PATH "map_files/AsteroidStation"
         #define MAP_FILE "AsteroidStation.dmm"
         #define MAP_NAME "AsteroidStation"
 
diff --git a/_maps/birdstation.dm b/_maps/birdstation.dm
index 70e6875db2fe..0605a82a1668 100644
--- a/_maps/birdstation.dm
+++ b/_maps/birdstation.dm
@@ -16,6 +16,7 @@ A small map intended for lowpop(40 players and less).
         #include "map_files\generic\z6.dmm"
         #include "map_files\generic\z7.dmm"
 
+		#define MAP_PATH "map_files/BirdStation"
         #define MAP_FILE "BirdStation.dmm"
         #define MAP_NAME "BirdboatStation"
 
diff --git a/_maps/dreamstation.dm b/_maps/dreamstation.dm
index f03e2446329e..e46fd09f200e 100644
--- a/_maps/dreamstation.dm
+++ b/_maps/dreamstation.dm
@@ -23,6 +23,7 @@ z7 = empty space
         #include "map_files\generic\z6.dmm"
         #include "map_files\generic\z7.dmm"
 
+		#define MAP_PATH "map_files/DreamStation"
         #define MAP_FILE "dreamstation04.dmm"
         #define MAP_NAME "DreamStation"
 
diff --git a/_maps/metastation.dm b/_maps/metastation.dm
index 0a0403d7ab84..cff27a6cdbcc 100644
--- a/_maps/metastation.dm
+++ b/_maps/metastation.dm
@@ -23,6 +23,7 @@ z7 = empty space
         #include "map_files\generic\z6.dmm"
         #include "map_files\generic\z7.dmm"
 
+		#define MAP_PATH "map_files/MetaStation"
         #define MAP_FILE "MetaStation.v41I.dmm"
         #define MAP_NAME "MetaStation"
 
diff --git a/_maps/ministation.dm b/_maps/ministation.dm
index 1545ae1c691f..ca79390cd214 100644
--- a/_maps/ministation.dm
+++ b/_maps/ministation.dm
@@ -56,6 +56,7 @@ Changes to the uplinks were made to discourage murderboning, the rest is the sam
         #include "map_files\generic\z6.dmm"
         #include "map_files\generic\z7.dmm"
 
+		#define MAP_PATH "map_files/MiniStation"
         #define MAP_FILE "MiniStation.dmm"
         #define MAP_NAME "MiniStation"
 
diff --git a/_maps/tgstation2.dm b/_maps/tgstation2.dm
index 75caa2f02f49..0e0bbf333187 100644
--- a/_maps/tgstation2.dm
+++ b/_maps/tgstation2.dm
@@ -23,6 +23,7 @@ z7 = empty space
         #include "map_files\generic\z6.dmm"
         #include "map_files\generic\z7.dmm"
 
+		#define MAP_PATH "map_files/TgStation"
         #define MAP_FILE "tgstation.2.1.3.dmm"
         #define MAP_NAME "Box Station"
 
diff --git a/code/controllers/master.dm b/code/controllers/master.dm
index 063552d37696..67fdc91a090e 100644
--- a/code/controllers/master.dm
+++ b/code/controllers/master.dm
@@ -65,7 +65,7 @@ var/global/datum/controller/master/Master = new()
 
 /datum/controller/master/proc/Setup(zlevel)
 	// Per-Z-level subsystems.
-	if (zlevel && zlevel > 0 && zlevel <= world.maxz)
+	if(zlevel && zlevel > 0 && zlevel <= world.maxz)
 		for(var/datum/subsystem/SS in subsystems)
 			SS.Initialize(world.timeofday, zlevel)
 			sleep(-1)
diff --git a/code/controllers/subsystem/minimap.dm b/code/controllers/subsystem/minimap.dm
index 51497429a430..29a2a77cd380 100644
--- a/code/controllers/subsystem/minimap.dm
+++ b/code/controllers/subsystem/minimap.dm
@@ -1,19 +1,13 @@
-// Activate this to debug tile mismatches in the minimap.
-// This will store the full information on each tile and compare it the next time you run the minimap.
-// It can be used to find out what's changed since the last iteration.
-// Only activate this when you need it - this should never be active on a live server!
-// #define MINIMAP_DEBUG
-
 var/datum/subsystem/minimap/SSminimap
 
 /datum/subsystem/minimap
 	name = "Minimap"
 	priority = -2
 
-	var/const/MAX_ICON_DIMENSION = 1024
-	var/const/ICON_SIZE = 4
+	var/const/MINIMAP_SIZE = 4080
+	var/const/TILE_SIZE = 16
 
-	var/max_initalized_zlevel = 0
+	var/list/z_levels = list(1)
 
 /datum/subsystem/minimap/New()
 	NEW_SS_GLOBAL(SSminimap)
@@ -21,163 +15,69 @@ var/datum/subsystem/minimap/SSminimap
 /datum/subsystem/minimap/Initialize(timeofday, zlevel)
 	if(zlevel)
 		return ..()
-	for(var/z = 1 to ZLEVEL_SPACEMAX)
+
+	var/hash = md5(file2text("_maps/[MAP_PATH]/[MAP_FILE]"))
+	if(hash == trim(file2text(hash_path())))
+		return ..()
+
+	for(var/z in z_levels)
 		generate(z)
-		register_asset("minimap_[z].png", file("[getMinimapFile(z)].png"))
-	max_initalized_zlevel = ZLEVEL_SPACEMAX
+		register_asset("minimap_[z].png", fcopy_rsc(map_path(z)))
+	text2file(hash, hash_path())
 	..()
 
-/datum/subsystem/minimap/proc/generate(z, x1 = 1, y1 = 1, x2 = world.maxx, y2 = world.maxy)
-	var/result_path = "[src.getMinimapFile(z)].png"
-	var/hash_path = "[src.getMinimapFile(z)].md5"
-	var/list/tiles = block(locate(x1, y1, z), locate(x2, y2, z))
-	var/hash = ""
-	var/temp
-	var/obj/obj
-
-	#ifdef MINIMAP_DEBUG
-	var/tiledata_path = "data/minimaps/debug_tiledata_[z].sav"
-	var/savefile/F = new/savefile(tiledata_path)
-	#endif
-
-	// Note for future developer: If you have tiles on the map with random or dynamic icons this hash check will fail
-	// every time. You'll have to modify this code to generate a unique hash for your object.
-	// Don't forget to modify the minimap generation code to use a default icon (or skip generation altogether).
-	for (var/turf/tile in tiles)
-		if      (istype(tile.loc, /area/asteroid) || istype(tile.loc, /area/mine/unexplored) || istype(tile, /turf/simulated/mineral) || (istype(tile.loc, /area/space) && istype(tile, /turf/simulated/floor/plating/asteroid)))
-			temp = "/area/asteroid"
-		else if (istype(tile.loc, /area/mine) && istype(tile, /turf/simulated/floor/plating/asteroid))
-			temp = "/area/mine/explored"
-		else if (tile.loc.type == /area/start || (tile.type == /turf/space && !(locate(/obj/structure/lattice) in tile)) || istype(tile, /turf/space/transit))
-			temp = "/turf/space"
-			if (locate(/obj/structure/lattice/catwalk) in tile)
-
-			else
-		else if (tile.type == /turf/space)
-			if (locate(/obj/structure/lattice/catwalk) in tile)
-				temp = "/obj/structure/lattice/catwalk"
-			else
-				temp = "/obj/structure/lattice"
-		else if (tile.type == /turf/simulated/floor/plating/abductor)
-			temp = "/turf/simulated/floor/plating/abductor"
-		else if (tile.type == /turf/simulated/floor/plating && (locate(/obj/structure/window/shuttle) in tile))
-			temp = "/obj/structure/window/shuttle"
-		else
-			temp = "[tile.icon][tile.icon_state][tile.dir]"
-
-		obj = locate(/obj/structure/transit_tube) in tile
+/datum/subsystem/minimap/proc/hash_path()
+	return "data/minimaps/[MAP_NAME].md5"
 
-		if (obj) temp = "[temp]/obj/structure/transit_tube[obj.icon_state][obj.dir]"
+/datum/subsystem/minimap/proc/map_path(z)
+	return "data/minimaps/[MAP_NAME]_[z].png"
 
-		#ifdef MINIMAP_DEBUG
-		if (F["/[tile.y]/[tile.x]"] && F["/[tile.y]/[tile.x]"] != temp)
-			CRASH("Mismatch: [tile.type] at [tile.x],[tile.y],[tile.z] ([tile.icon], [tile.icon_state], [tile.dir])")
-		else
-			F["/[tile.y]/[tile.x]"] << temp
-		#endif
-
-		hash = md5("[hash][temp]")
-
-	if (fexists(result_path))
-		if (!fexists(hash_path) || trim(file2text(hash_path)) != hash)
-			fdel(result_path)
-			fdel(hash_path)
-
-	if (!fexists(result_path))
-		ASSERT(x1 > 0)
-		ASSERT(y1 > 0)
-		ASSERT(x2 <= world.maxx)
-		ASSERT(y2 <= world.maxy)
-
-		var/icon/map_icon = new/icon('html/mapbase1024.png')
-
-		// map_icon is fine and contains only 1 direction at this point.
-
-		ASSERT(map_icon.Width() == MAX_ICON_DIMENSION && map_icon.Height() == MAX_ICON_DIMENSION)
-
-
-		var/i = 0
-		var/icon/turf_icon
-		var/icon/obj_icon
-		var/old_icon
-		var/old_icon_state
-		var/old_dir
-		var/new_icon
-		var/new_icon_state
-		var/new_dir
-
-		for (var/turf/tile in tiles)
-			if (tile.loc.type != /area/start && (tile.type != /turf/space || (locate(/obj/structure/lattice) in tile) || (locate(/obj/structure/transit_tube) in tile)) && !istype(tile, /turf/space/transit))
-				if (istype(tile.loc, /area/asteroid) || istype(tile.loc, /area/mine/unexplored) || istype(tile, /turf/simulated/mineral) || (istype(tile.loc, /area/space) && istype(tile, /turf/simulated/floor/plating/asteroid)))
-					new_icon = 'icons/turf/mining.dmi'
-					new_icon_state = "rock"
-					new_dir = 2
-				else if (istype(tile.loc, /area/mine) && istype(tile, /turf/simulated/floor/plating/asteroid))
-					new_icon = 'icons/turf/floors.dmi'
-					new_icon_state = "asteroid"
-					new_dir = 2
-				else if (tile.type == /turf/simulated/floor/plating/abductor)
-					new_icon = 'icons/turf/floors.dmi'
-					new_icon_state = "alienpod1"
-					new_dir = 2
-				else if (tile.type == /turf/space)
-					obj = locate(/obj/structure/lattice) in tile
-
-					if (!obj) obj = locate(/obj/structure/transit_tube) in tile
-
-					ASSERT(obj != null)
-
-					if (obj)
-						new_icon = obj.icon
-						new_dir = obj.dir
-						new_icon_state = obj.icon_state
-				else if (tile.type == /turf/simulated/floor/plating && (locate(/obj/structure/window/shuttle) in tile))
-					new_icon = 'icons/obj/structures.dmi'
-					new_dir = 2
-					new_icon_state = "swindow"
-				else
-					new_icon = tile.icon
-					new_icon_state = tile.icon_state
-					new_dir = tile.dir
-
-				if (new_icon != old_icon || new_icon_state != old_icon_state || new_dir != old_dir)
-					old_icon = new_icon
-					old_icon_state = new_icon_state
-					old_dir = new_dir
-
-					turf_icon = new/icon(new_icon, new_icon_state, new_dir, 1, 0)
-					turf_icon.Scale(ICON_SIZE, ICON_SIZE)
-
-				if (tile.type != /turf/space || (locate(/obj/structure/lattice) in tile))
-					obj = locate(/obj/structure/transit_tube) in tile
-
-					if (obj)
-						obj_icon = new/icon(obj.icon, obj.icon_state, obj.dir, 1, 0)
-						obj_icon.Scale(ICON_SIZE, ICON_SIZE)
-						turf_icon.Blend(obj_icon, ICON_OVERLAY)
-
-				map_icon.Blend(turf_icon, ICON_OVERLAY, ((tile.x - 1) * ICON_SIZE), ((tile.y - 1) * ICON_SIZE))
-
-				if ((++i) % 512 == 0) sleep(1) // deliberate delay to avoid lag spikes
-
-			else
-				sleep(-1) // avoid sleeping if possible: prioritize pending procs
-
-		// BYOND BUG: map_icon now contains 4 directions? Create a new icon with only a single state.
-		var/icon/result_icon = new/icon()
-
-		result_icon.Insert(map_icon, "", SOUTH, 1, 0)
-
-		fcopy(result_icon, result_path)
-		text2file(hash, hash_path)
-
-/datum/subsystem/minimap/proc/getMinimapFile(zlevel)
-	return "data/minimaps/[MAP_NAME]_[zlevel]"
-
-/datum/subsystem/minimap/proc/sendMinimaps(client/client)
-	for(var/z = 1 to max_initalized_zlevel)
+/datum/subsystem/minimap/proc/send(client/client)
+	for(var/z in z_levels)
 		send_asset(client, "minimap_[z].png")
 
-#ifdef MINIMAP_DEBUG
-#undef MINIMAP_DEBUG
-#endif
+/datum/subsystem/minimap/proc/generate(z = 1, x1 = 1, y1 = 1, x2 = world.maxx, y2 = world.maxy)
+	// Load the background.
+	var/icon/minimap = new /icon('icons/minimap.dmi')
+	// Scale it up to our target size.
+	minimap.Scale(MINIMAP_SIZE, MINIMAP_SIZE)
+
+	// Loop over turfs and generate icons.
+	for(var/turf/tile in block(locate(x1, y1, z), locate(x2, y2, z)))
+		var/obj/obj
+		var/icon/ikon = new /icon('icons/minimap.dmi')
+
+		// Don't use icons for space, just add objects in space if they exist.
+		if(istype(tile, /turf/space))
+			obj = locate(/obj/structure/lattice) in tile
+			if(obj)
+				ikon = new /icon('icons/obj/smooth_structures/lattice.dmi', "lattice", 2)
+			obj = locate(/obj/structure/grille) in tile
+			if(obj)
+				ikon = new /icon('icons/obj/structures.dmi', "grille", 2)
+			obj = locate(/obj/structure/transit_tube) in tile
+			if(obj)
+				ikon = new /icon('icons/obj/atmospherics/pipes/transit_tube.dmi', obj.icon_state, obj.dir)
+		else
+			ikon = new(tile.icon, tile.icon_state, tile.dir)
+
+			var/icon/object
+			obj = locate(/obj/structure/window/reinforced) in tile
+			if(obj)
+				object = new /icon('icons/obj/smooth_structures/reinforced_window.dmi', "r_window", 2)
+			obj = locate(/obj/machinery/door/airlock) in tile
+			if(obj)
+				object = new /icon(obj.icon, obj.icon_state, obj.dir, 1, 0)
+
+			if(object)
+				ikon.Blend(object, ICON_OVERLAY)
+
+		// Scale the icon.
+		ikon.Scale(TILE_SIZE, TILE_SIZE)
+		// Add the tile to the minimap.
+		minimap.Blend(ikon, ICON_OVERLAY, ((tile.x - 1) * TILE_SIZE), ((tile.y - 1) * TILE_SIZE))
+
+	// Create a new icon and insert the generated minimap, so that BYOND doesn't generate different directions.
+	//var/icon/final = new /icon()
+	//final.Insert(minimap, "", SOUTH, 1, 0)
+	fcopy(minimap, map_path(z))
\ No newline at end of file
diff --git a/code/game/machinery/computer/crew.dm b/code/game/machinery/computer/crew.dm
index 9ecc9cd17ec1..a1f58a67ef51 100644
--- a/code/game/machinery/computer/crew.dm
+++ b/code/game/machinery/computer/crew.dm
@@ -256,4 +256,4 @@ var/global/datum/crewmonitor/crewmonitor = new
 /datum/crewmonitor/proc/sendResources(var/client/client)
 	send_asset(client, "crewmonitor.js")
 	send_asset(client, "crewmonitor.css")
-	SSminimap.sendMinimaps(client)
+	SSminimap.send(client)
diff --git a/icons/minimap.dmi b/icons/minimap.dmi
new file mode 100644
index 000000000000..98d85f273816
Binary files /dev/null and b/icons/minimap.dmi differ