added rectangular_spiral.lua

locale/gen_shape/maze.lua

@@ -1,3 +1,5 @@
+require "locale.gen_shared.chunk_utils"
+
 local wall_thickness = 1
 local cell_size = 3 --must be an uneven number
 
@@ -139,17 +141,6 @@ function init()
 	render()
 end
 
-local function removeChunk(event)
-	local surface = event.surface
-	local tiles = {}
-	for x = event.area.left_top.x, event.area.right_bottom.x do
-		for y = event.area.left_top.y, event.area.right_bottom.y do
-			table.insert(tiles, {name = "out-of-map", position = {x,y}})
-		end
-	end
-	surface.set_tiles(tiles)
-end
-
 
 first = true
 function run_shape_module(event)

locale/gen_shape/rectangular_spiral.lua

@@ -0,0 +1,45 @@
+require "locale.gen_shared.compass"
+require "locale.gen_shared.chunk_utils"
+
+local compass = Compass.new()
+local pixels={}
+pixels["-1,-1"] = true
+width = 4
+
+function build()
+  local p = {-1,-1}
+  local n = 1
+  for x=1,300 do
+    for i = 1, n do
+     p[1] = p[1] + compass:get_direction()["x"]
+     p[2] = p[2] + compass:get_direction()["y"]
+     add(p)
+    end
+    compass:turn_left()
+    n = n + 1
+  end
+end
+
+local function onshape(p)
+  x = math.floor(p[1]/32/width)
+  y = math.floor(p[2]/32/width)
+
+
+  if pixels[x .. "," .. y] ~= nil then
+  end
+  return pixels[x .. "," .. y] ~= nil
+end
+
+function add(p)
+  pixels[p[1].. "," .. p[2]] = true
+end
+
+
+build()
+
+function run_shape_module(event)
+  if not onshape({event.area.left_top.x - width/2 * 32,event.area.left_top.y - width/2 * 32}) then
+    removeChunk(event)
+    return false
+  end
+end

locale/gen_shared/Compass.lua

@@ -0,0 +1,32 @@
+--Author Valansch
+
+Compass = {}
+Compass.__index = Compass
+Compass.north={x=0,y=-1,next="west"}
+Compass.west={x=-1,y=0,next="south"}
+Compass.south={x=0,y=1,next="east"}
+Compass.east={x=1,y=0,next="north"}
+
+function Compass.new(start_direction)
+  local self = setmetatable({}, Compass)
+  self.direction = start_direction or "north"
+  return self
+end
+function Compass:turn_left()
+  self.direction= self:get_direction().next
+end
+
+function Compass:get_direction()
+  return self[self.direction]
+end
+
+
+function Compass:turn_right()
+  self:turn()
+  self:turn()
+  self:turn()
+end
+function Compass:turn_around()
+  self:turn()
+  self:turn()
+end

locale/gen_shared/chunk_utils.lua

@@ -0,0 +1,10 @@
+function removeChunk(event)
+	local surface = event.surface
+	local tiles = {}
+	for x = event.area.left_top.x, event.area.right_bottom.x do
+		for y = event.area.left_top.y, event.area.right_bottom.y do
+			table.insert(tiles, {name = "out-of-map", position = {x,y}})
+		end
+	end
+	surface.set_tiles(tiles)
+end

map_layout.lua

@@ -1,5 +1,8 @@
 --[[
-Neko Does stuff to key files because Im a derp
+This file is used to choose which styles you want.
+You may choose up to one of each type shapes, terrain, ores and misc by removing uncommenting the line.
+If you want to add your own module, just add it to the others 
+in this file and your run_*type*_module(event) function will be called.
 --]]
 
 
@@ -11,6 +14,9 @@ Neko Does stuff to key files because Im a derp
 --require "locale.gen_shape.spiral_tri"
 --require "locale.gen_shape.spiral2"
 --require "locale.gen_shape.donut"
+--require "locale.gen_shape.rectangular_spiral"
+
+
 
 --terrain--
 --require "locale.gen_terrain.neko_bridged_rivers"