Refactor the miners to entity

src/entities/miner.coffee

@@ -1,3 +1,5 @@
 class Miner
   tick: (tile) ->
   	tile.click "left"
+
+  sprite: [16, 0, 8, 8]

src/game.coffee

@@ -49,11 +49,7 @@ app.game =
 
   createMiner: ->
     if @currentSelectedTile and @checkRessources 'lubinit', 30, true
-      newMiner = new Miner
+      @currentSelectedTile.entity = new Miner
-
-      @miners.push = newMiner
-      @currentSelectedTile.attachMiner newMiner
-
       @currentSelectedTile.deselect() if @currentSelectedTile
       @currentSelectedTile = null
 

src/tiles/tile.coffee

@@ -1,9 +1,7 @@
 class Tile
   constructor: ->
-    resTypes = (k for own k of app.game.resources)
-    
     @layers = []
-    for restype, i in resTypes
+    for restype, i in allResourceTypes()
       @layers.push new Tilelayer(
         type: restype,
         depth: i,
@@ -11,25 +9,21 @@ class Tile
       )
     
     @currentLayer = 0
+    @entity = null
     @isActive = false
 
-  died: false
-
   click: (button)->
-    if button == "left" and !@died
+    if button == "left"
       if @layers[@currentLayer].collect()
         name = app.layerIndexToName(@currentLayer)
         app.game.resources[name] += 1
       else
         @currentLayer += 1
-
+        # If we reach the bottom, the entity on top dies.
-        if @currentLayer == Object.keys(app.game.resources).length-1
+        @entity = null if @currentLayer == allResourceTypes().length-1
-          @died = true
-
-          @currentMiner = null if @currentMiner
 
   tick: ->
-    @currentMiner.tick @ if @currentMiner
+    @entity.tick @ if @entity
 
   moveIn: ->
     @isActive = true
@@ -43,19 +37,12 @@ class Tile
   deselect: ->
     @isSelected = false
 
-  attachMiner: (miner) ->
-    if !@currentMiner
-      @currentMiner = miner
-
-  detachMiner: ->
-    @currentMiner = null
-    
   render: (x, y)->
     tileLayer = @layers[@currentLayer]
     app.layer.drawRegion app.images.layers, tileLayer.sprite, x*8, y*8
 
-    if @currentMiner
+    if @entity
-      app.layer.drawRegion app.images.entities, [16, 0, 8, 8], x*8, y*8
+      app.layer.drawRegion app.images.entities, @entity.sprite, x*8, y*8
 
       # Draw the status indicator.
       numPercent = Math.floor((tileLayer.amount*6)/app.game.maxTileAmount)

src/tools.coffee

@@ -1,2 +1,5 @@
 getRandomInt = (min, max) ->
-    Math.floor(Math.random() * (max - min + 1)) + min;
+    Math.floor(Math.random() * (max - min + 1)) + min;
+
+allResourceTypes = ->
+    (k for own k of app.game.resources)