Add infobox

src/app.coffee

@@ -5,7 +5,7 @@ app = playground(
   smoothing: false,
 
   create: ->
-    @loadImages "layers", "active", "progress", "selected", "entities", "hud", "actions", "speechbubbles", "deadtiles", "layerdetails", "entitydetails"
+    @loadImages "layers", "active", "progress", "selected", "entities", "hud", "actions", "speechbubbles", "deadtiles", "layerdetails", "entitydetails", "buildinfo"
     @currentHoveredTile = new Tile
   
   ready: ->

src/game.coffee

@@ -64,6 +64,7 @@ app.game =
   keyup: (event) ->
     switch event.key
       when "m" then @createMiner()
+      when "i" then app.game.hud.showBuildInfo()
       when "s" then @createSilo()
       when "c" then @cheatah()
       when "space"

src/hud.coffee

@@ -3,6 +3,7 @@ app.game.hud =
     resTypes = (k for own k of app.game.resources)
     
     @position = x: 45, y: 103
+    @buildinfo = false
 
     @itemArrow = new AnimatedItem maxFrames: 10, image: app.images.actions, speed: 50
 
@@ -18,6 +19,11 @@ app.game.hud =
 
     app.layer.drawImage app.images.hud, 0, 11*8
 
+    if @buildinfo
+      app.layer.drawRegion app.images.buildinfo, [0, 0, 106, 10], 1, 1
+      app.layer.drawRegion app.images.buildinfo, [0, 10, 106, 10], 1, 12
+      app.layer.drawRegion app.images.buildinfo, [0, 20, 106, 10], 1, 23
+
     currentSelectedTile = app.game.currentSelectedTile
     if currentSelectedTile != null
       panelusage = 'tile'
@@ -53,6 +59,14 @@ app.game.hud =
       when 'resources'
         @showResources()
 
+  showBuildInfo: ->
+    clearTimeout(@timeout) if @timeout
+    @buildinfo = true
+    @timeout = window.setTimeout @hideBuildInfo, 2000
+
+  hideBuildInfo: ->
+    app.game.hud.buildinfo = false
+
   showResources: ->
     # resources
     i = 0