Added support for 9 sliced backgrounds in UI, fixed events not propagating to subscribers if element threw :handled in its own event handler

lib/cyberarm_engine/background_nine_slice.rb

@@ -1,10 +1,11 @@
 module CyberarmEngine
   class BackgroundNineSlice
     include CyberarmEngine::Common
-    attr_accessor :x, :y, :z, :width, :height
+    attr_accessor :x, :y, :z, :width, :height, :left, :top, :right, :bottom, :mode, :color
+    attr_reader :image
 
-    def initialize(image_path:, x: 0, y: 0, z: 0, width: 64, height: 64, mode: :tiled, left: 4, top: 4, right: 56, bottom: 56)
-      @image = get_image(image_path)
+    def initialize(image_path: nil, x: 0, y: 0, z: 0, width: 0, height: 0, mode: :tiled, left: 1, top: 1, right: 1, bottom: 1, color: Gosu::Color::WHITE)
+      @image = get_image(image_path) if image_path
 
       @x = x
       @y = y
@@ -20,10 +21,20 @@ module CyberarmEngine
       @right = right
       @bottom = bottom
 
-      nine_slice
+      @color = color
+
+      nine_slice if @image
+    end
+
+    def image=(image_path)
+      old_image = @image
+      @image = image_path ? get_image(image_path) : image_path
+      nine_slice if @image && old_image != @image
     end
 
     def nine_slice
+      # pp [@left, @top, @right, @bottom, @image.width]
+
       @segment_top_left = @image.subimage(0, 0, @left, @top)
       @segment_top_right = @image.subimage(@image.width - @right, 0, @right, @top)
 
@@ -56,71 +67,73 @@ module CyberarmEngine
     end
 
     def width_scale
-      scale = (@width - (@image.width - (@left + @right))).to_f / (@image.width - (@left + @right))
+      scale = (@width.to_f - (@left + @right)) / (@image.width - (@left + @right))
       scale.abs
     end
 
     def height_scale
-      scale = (@height - (@image.height - (@top + @bottom))).to_f / (@image.height - (@top + @bottom))
+      scale = (@height - (@top + @bottom)).to_f / (@image.height - (@top + @bottom))
       scale.abs
     end
 
     def draw
+      return unless @image && @segment_top_left
+
       @mode == :tiled ? draw_tiled : draw_stretched
     end
 
     def draw_stretched
-      @segment_top_left.draw(@x, @y, @z)
-      @segment_top.draw(@x + @segment_top_left.width, @y, @z, width_scale) # SCALE X
-      @segment_top_right.draw((@x + @width) - @segment_top_right.width, @y, @z)
+      @segment_top_left.draw(@x, @y, @z, 1, 1, @color)
+      @segment_top.draw(@x + @segment_top_left.width, @y, @z, width_scale, 1, @color) # SCALE X
+      @segment_top_right.draw((@x + @width) - @segment_top_right.width, @y, @z, 1, 1, @color)
 
-      @segment_right.draw((@x + @width) - @segment_right.width, @y + @top, @z, 1, height_scale) # SCALE Y
-      @segment_bottom_right.draw((@x + @width) - @segment_bottom_right.width, @y + @height - @segment_bottom_right.height, @z)
-      @segment_bottom.draw(@x + @segment_bottom_left.width, (@y + @height) - @segment_bottom.height, @z, width_scale) # SCALE X
-      @segment_bottom_left.draw(@x, (@y + @height) - @segment_bottom_left.height, @z)
-      @segment_left.draw(@x, @y + @top, @z, 1, height_scale) # SCALE Y
-      @segment_middle.draw(@x + @segment_top_left.width, @y + @segment_top.height, @z, width_scale, height_scale) # SCALE X and SCALE Y
+      @segment_right.draw((@x + @width) - @segment_right.width, @y + @top, @z, 1, height_scale, @color) # SCALE Y
+      @segment_bottom_right.draw((@x + @width) - @segment_bottom_right.width, @y + @height - @segment_bottom_right.height, @z, 1, 1, @color)
+      @segment_bottom.draw(@x + @segment_bottom_left.width, (@y + @height) - @segment_bottom.height, @z, width_scale, 1, @color) # SCALE X
+      @segment_bottom_left.draw(@x, (@y + @height) - @segment_bottom_left.height, @z, 1, 1, @color)
+      @segment_left.draw(@x, @y + @top, @z, 1, height_scale, @color) # SCALE Y
+      @segment_middle.draw(@x + @segment_top_left.width, @y + @segment_top.height, @z, width_scale, height_scale, @color) # SCALE X and SCALE Y
     end
 
     def draw_tiled
-      @segment_top_left.draw(@x, @y, @z)
+      @segment_top_left.draw(@x, @y, @z, 1, 1, @color)
 
-      p [width_scale, height_scale]
+      # p [width_scale, height_scale]
 
       Gosu.clip_to(@x + @segment_top_left.width, @y, @segment_top.width * width_scale, @segment_top.height) do
         width_scale.ceil.times do |i|
-          @segment_top.draw(@x + @segment_top_left.width + (@segment_top.width * i), @y, @z) # SCALE X
+          @segment_top.draw(@x + @segment_top_left.width + (@segment_top.width * i), @y, @z, 1, 1, @color) # SCALE X
         end
       end
 
-      @segment_top_right.draw((@x + @width) - @segment_top_right.width, @y, @z)
+      @segment_top_right.draw((@x + @width) - @segment_top_right.width, @y, @z, 1, 1, @color)
 
       Gosu.clip_to(@x + @width - @segment_top_right.width, @y + @top, @segment_right.width, @segment_right.height * height_scale) do
         height_scale.ceil.times do |i|
-          @segment_right.draw((@x + @width) - @segment_right.width, @y + @top + (@segment_right.height * i), @z) # SCALE Y
+          @segment_right.draw((@x + @width) - @segment_right.width, @y + @top + (@segment_right.height * i), @z, 1, 1, @color) # SCALE Y
         end
       end
 
-      @segment_bottom_right.draw((@x + @width) - @segment_bottom_right.width, @y + @height - @segment_bottom_right.height, @z)
+      @segment_bottom_right.draw((@x + @width) - @segment_bottom_right.width, @y + @height - @segment_bottom_right.height, @z, 1, 1, @color)
 
       Gosu.clip_to(@x + @segment_top_left.width, @y + @height - @segment_bottom.height, @segment_top.width * width_scale, @segment_bottom.height) do
         width_scale.ceil.times do |i|
-          @segment_bottom.draw(@x + @segment_bottom_left.width + (@segment_bottom.width * i), (@y + @height) - @segment_bottom.height, @z) # SCALE X
+          @segment_bottom.draw(@x + @segment_bottom_left.width + (@segment_bottom.width * i), (@y + @height) - @segment_bottom.height, @z, 1, 1, @color) # SCALE X
         end
       end
 
-      @segment_bottom_left.draw(@x, (@y + @height) - @segment_bottom_left.height, @z)
+      @segment_bottom_left.draw(@x, (@y + @height) - @segment_bottom_left.height, @z, 1, 1, @color)
 
       Gosu.clip_to(@x, @y + @top, @segment_left.width, @segment_left.height * height_scale) do
         height_scale.ceil.times do |i|
-          @segment_left.draw(@x, @y + @top + (@segment_left.height * i), @z) # SCALE Y
+          @segment_left.draw(@x, @y + @top + (@segment_left.height * i), @z, 1, 1, @color) # SCALE Y
         end
       end
 
       Gosu.clip_to(@x + @segment_top_left.width, @y + @segment_top.height, @width - (@segment_left.width + @segment_right.width), @height - (@segment_top.height + @segment_bottom.height)) do
         height_scale.ceil.times do |y|
           width_scale.ceil.times do |x|
-            @segment_middle.draw(@x + @segment_top_left.width + (@segment_middle.width * x), @y + @segment_top.height + (@segment_middle.height * y), @z) # SCALE X and SCALE Y
+            @segment_middle.draw(@x + @segment_top_left.width + (@segment_middle.width * x), @y + @segment_top.height + (@segment_middle.height * y), @z, 1, 1, @color) # SCALE X and SCALE Y
           end
         end
       end