Added selectable gui elements

main.rb

@@ -33,11 +33,15 @@ CAMERA_MIN_ZOOM = 16 # Boxes across
 CAMERA_MAX_ZOOM = 80 # Boxes across
 
 class NumFactory < Gosu::Window
+  attr_accessor :current_tool
+
   def initialize
     super WIDTH, HEIGHT, :fullscreen => true
     self.caption = "Number factory"
 
     @background_color = Gosu::Color::BLUE
+    @cursor_image = Gosu::Image.new('assets/images/cursor.png')
+    @cursor = @cursor_image
 
     @camera_x = 0
     @camera_y = 0
@@ -46,7 +50,13 @@ class NumFactory < Gosu::Window
     @camera_x_zoom_offset = WIDTH.to_f / (@camera_boxes * BOX_SIZE * 2).to_f
     @camera_y_zoom_offset = HEIGHT.to_f / (@camera_boxes * BOX_SIZE * 2).to_f
 
-    @ui = UI.new(WIDTH, HEIGHT)
+    @ui = UI.new(self, WIDTH, HEIGHT)
+    @current_tool = nil
+    @extractor_image = Gosu::Image.new('assets/images/extractor.png')
+    @belt_image =      Gosu::Image.new('assets/images/belt.png')
+    @adder_image =     Gosu::Image.new('assets/images/adder.png')
+    @delete_image =    Gosu::Image.new('assets/images/delete.png')
+
     @dialouges = [
       #DialougeBox.new(0, 5, BOX_SIZE, BOX_SIZE, WIDTH, HEIGHT, 'this is some really good test text!', BOX_SIZE, 500)
     ]
@@ -125,7 +135,11 @@ class NumFactory < Gosu::Window
 
   end
 
-
+  # Disable cursor in the window
+  def needs_cursor?
+    false
+  end
+  
   def button_down(id)
     if id == Gosu::KB_ESCAPE
       close
@@ -158,6 +172,9 @@ class NumFactory < Gosu::Window
       @camera_zoom = WIDTH.to_f / (@camera_boxes * BOX_SIZE).to_f
       @camera_x_zoom_offset = WIDTH.to_f / (@camera_boxes * BOX_SIZE * 2).to_f
       @camera_y_zoom_offset = HEIGHT.to_f / (@camera_boxes * BOX_SIZE * 2).to_f
+    elsif id == Gosu::KB_G
+      @cursor = @cursor_image
+      @current_tool = nil
     else
       super
     end
@@ -224,8 +241,29 @@ class NumFactory < Gosu::Window
       consumer.update(delta_mult, @camera_x, @camera_y, @camera_zoom, self.mouse_x, self.mouse_y, mouse_used)
     end
 
-    @dialouges.each do |dialouge|
-      dialouge.update(delta_mult, @camera_zoom, self.mouse_x, self.mouse_y)
+    if !mouse_used
+      @dialouges.each do |dialouge|
+        dialouge.update(delta_mult, @camera_zoom, self.mouse_x, self.mouse_y)
+      end
+    end
+
+    case @current_tool
+    when 'delete'
+      @cursor = @delete_image
+      @cursor_offset = @delete_image.height
+      #break
+    when 'belt'
+      @cursor = @belt_image
+      @cursor_offset = @belt_image.height
+      #break
+    when 'adder'
+      @cursor = @adder_image
+      @cursor_offset = @adder_image.height
+      #break
+    when 'extractor'
+      @cursor = @extractor_image
+      @cursor_offset = @extractor_image.height
+      #break
     end
   end
 
@@ -278,6 +316,12 @@ class NumFactory < Gosu::Window
     Gosu::Image.from_text("Camera location: #{@camera_x}, #{@camera_y}", 20, font: FONT_PATH).draw(1600, 200, 1)
     Gosu::Image.from_text("Camera zoom: #{@camera_zoom}, #{@camera_x_zoom_offset}", 20, font: FONT_PATH).draw(1600, 225, 1)
     Gosu::Image.from_text("Camera viewport: (#{@camera_min_x}, #{@camera_min_y}) to  (#{@camera_max_x}, #{@camera_max_y})", 20, font: FONT_PATH).draw(1600, 250, 1)
+
+    if @cursor == @cursor_image
+      @cursor.draw(self.mouse_x - 16, self.mouse_y - 16, 10)
+    else
+      @cursor.draw(self.mouse_x - @cursor_offset, self.mouse_y - @cursor_offset, 10, BOX_SIZE / 32.0 * @camera_zoom, BOX_SIZE / 32.0 * @camera_zoom)
+    end
   end
 end