diff --git a/choco.lua b/choco.lua
index e345a7b..a124595 100644
--- a/choco.lua
+++ b/choco.lua
@@ -1,38 +1,11 @@
-
-ressources = 
-{
-  fruits = 
-  {
-    quantity = 5,
-    sprite = 33,
-    x = 70
-  },
-  money =
-  {
-    quantity = 100,
-    sprite = 35,
-    x = 0
-  },
-  jam =
-  {
-    quantity = 0,
-    sprite = 34,
-    x = 100
-  }
-}
-
-
-
 function _init()
-  -- always start on white
-  col = 7
+  playercontroler_init()
   worldtiles = {}
-  init_worldtiles()
 end
  
 function _update()
-  -- press x for a random colour
   if (btnp(5)) compute_effect_array(worldtiles)
+  playercontroler_update()
 end
  
 function _draw()
@@ -41,57 +14,5 @@ function _draw()
   camera(0,0)
   draw_array(worldtiles)
   draw_ressource_bar()
-end
-
-function draw_ressource_bar()
-  rectfill(0, 0, 127, 7, 1)
-  for _,res in pairs(ressources) do
-    spr(res.sprite, res.x, 0)
-    print(res.quantity, res.x + 8, 1, 6)
-  end
-end
-
-          
-function updatecycle()
-
-end
-
-function compute_effect_array(array)
-  for obj in all(array) do
-    obj.compute_effet(obj)
-  end
-end
-
-function draw_array(array)
-  for obj in all(array) do
-    obj.draw(obj)
-  end
-end
-
-
-
-function new_worldtile(x, y, sprite)
-    local worldtile = {}
-    worldtile.x = x
-    worldtile.y = y
-    worldtile.spr = sprite
-    worldtile.draw = function(this)
-      spr(worldtile.spr,worldtile.x*2*8,8+worldtile.y*2*8, 2, 2)
-    end
-    worldtile.compute_effet = function(this)
-      worldtile.spr = 4
-    end
-    return worldtile
-end
-
-function init_worldtiles()
-  for x=0,8 do
-    for y=0,8 do
-      sprite = mget(x*2, y*2)
-      flag = fget(sprite, 0)
-      if (flag) then
-        add(worldtiles, new_worldtile(x,y,sprite))
-      end
-    end
-  end
+  playercontroler_draw()
 end
\ No newline at end of file
diff --git a/choco.p8 b/choco.p8
index 0799384..8373439 100644
--- a/choco.p8
+++ b/choco.p8
@@ -1,6 +1,9 @@
 pico-8 cartridge // http://www.pico-8.com
 version 43
 __lua__
+
+#include world.lua
+#include playercontroler.lua
 #include choco.lua
 
 __gfx__
@@ -28,12 +31,15 @@ __gfx__
 000000000888883001888810499aaaa4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 000000000888e8000188e81004999940000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 00000000000000000111111000444400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+__gff__
+0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 __map__
 0909090909090909090903040909090900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 091909090909090a0909131409090a0900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-09090a0909090909090909090909090900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-09090909090901020909090909090c1c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-09070809090911120909190909091a0b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+09090a0909090102090909090909090900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+09090909090911120909090909090c1c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+09070809090909090909190909091a0b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0917180909090909090909090a090f0b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0909090909090909090909090909090e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 090909090a090506090909190909090900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
diff --git a/playercontroler.lua b/playercontroler.lua
new file mode 100644
index 0000000..a0717b0
--- /dev/null
+++ b/playercontroler.lua
@@ -0,0 +1,11 @@
+function playercontroler_init()
+
+end
+
+function playercontroler_update()
+
+end
+
+function playercontroler_draw()
+
+end
\ No newline at end of file
diff --git a/world.lua b/world.lua
new file mode 100644
index 0000000..3101de0
--- /dev/null
+++ b/world.lua
@@ -0,0 +1,83 @@
+
+ressources = 
+{
+  fruits = 
+  {
+    quantity = 5,
+    sprite = 33,
+    x = 70
+  },
+  money =
+  {
+    quantity = 100,
+    sprite = 35,
+    x = 0
+  },
+  jam =
+  {
+    quantity = 0,
+    sprite = 34,
+    x = 100
+  }
+}
+
+buildings = {
+  jam_workshop = 
+  {
+    sprite = 1,
+    inputs = {
+      {fruit = 2}
+    },
+    outputs = {jam = 3}
+  },
+  city = 
+  {
+    sprite = 5,
+    inputs = {},
+    outputs = {}
+  },
+}
+
+
+function draw_ressource_bar()
+  rectfill(0, 0, 127, 7, 1)
+  for _,res in pairs(ressources) do
+    spr(res.sprite, res.x, 0)
+    print(res.quantity, res.x + 8, 1, 6)
+  end
+end
+
+          
+function updatecycle()
+
+end
+
+function compute_effect_array(array)
+  for obj in all(array) do
+    obj.compute_effet(obj)
+  end
+end
+
+function draw_array(array)
+  for obj in all(array) do
+    obj.draw(obj)
+  end
+end
+
+
+
+function new_worldtile(x, y, building)
+    local worldtile = {}
+    worldtile.x = x
+    worldtile.y = y
+    worldtile.building = building
+    worldtile.draw = function(this)
+      spr(worldtile.bulding.sprite,worldtile.x*2*8,8+worldtile.y*2*8, 2, 2)
+    end
+    worldtile.compute_effet = function(this)
+        for _,input in pairs(worldtile.building.inputs) do
+          --input.
+        end
+    end
+    return worldtile
+end