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)
     ]
@@ -125,6 +135,10 @@ class NumFactory < Gosu::Window
 
   end
 
+  # Disable cursor in the window
+  def needs_cursor?
+    false
+  end
   
   def button_down(id)
     if id == Gosu::KB_ESCAPE
@@ -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
@@ -224,11 +241,32 @@ class NumFactory < Gosu::Window
       consumer.update(delta_mult, @camera_x, @camera_y, @camera_zoom, self.mouse_x, self.mouse_y, mouse_used)
     end
 
+    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
+
   ## Called when OS wants to update window.
   def draw
     # Draw mouse coords:
@@ -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
 

ui.rb

@@ -8,12 +8,19 @@ class UI
   # Setup for the UI
   # @param width [Integer] Width of screen in pixels
   # @param height [Integer] Height of the screen in pixels
-  def initialize(width, height)
+  def initialize(parent, width, height)
+    @parent = parent
     @width = width
     @height = height
     @tool_selector = []
     @toolbar_width = width / 2
     @toolbar_height = height / 9
+    @tool_info = [
+      ['extractor', 96],
+      ['belt', 32],
+      ['adder', 64],
+      ['delete', 32],
+    ]
     @tool_selector_image = Gosu.render(@toolbar_width, @toolbar_height) {
       Gosu.draw_rect(
         0,
@@ -22,15 +29,48 @@ class UI
         @toolbar_height,
         Gosu::Color.new(0xC0, 0xFF, 0xFF, 0xFF),
         0)
-      Gosu::Image.from_text('tool selector', TEXT_SIZE, font: FONT_PATH).draw(TEXT_MARGIN, TEXT_MARGIN)
+      # Loop through the tools:
+      @tool_info.each_with_index do |path, idx|
+        Gosu::Image.new("assets/images/#{path[0]}.png").draw(
+          idx * (@toolbar_height + 2),
+          2,
+          0,
+          (@toolbar_height / path[1].to_f),
+          (@toolbar_height / path[1].to_f),
+        )
+      end
+      
     }
     @x = (@width / 2) - (@toolbar_width / 2)
     @y = @height - @toolbar_height
-
+    @mouse_down_last_update = false
   end
 
   def update(mouse_x, mouse_y)
-    false
+    managed = false
+    # Only check if we are clicking
+    if Gosu.button_down?(Gosu::MS_LEFT)
+      if !@mouse_down_last_update
+        puts 'mouse clicked'
+        @mouse_down_last_update = true
+        # Check if we are in the right y area:
+        if mouse_y > @y
+          # Check if we are within the right zone
+          mouse_x_inset = mouse_x - @x
+          if 0 < mouse_x_inset && mouse_x_inset < @toolbar_width
+            managed = true
+            item_index = mouse_x_inset / (@toolbar_height + 2)
+            if item_index < @tool_info.length
+              @parent.current_tool = @tool_info[item_index][0]
+              puts "Selected item!"
+            end
+          end
+        end
+      end
+    else
+      @mouse_down_last_update = false
+    end
+    return managed
   end
 
   def draw()