Added building component, refactored components to have setup, draw, update and tick methods, added fencing for building construction area parimeter, misc other changes.

lib/components/building.rb

@@ -0,0 +1,95 @@
+class IMICRTS
+  class Building < Component
+    def setup
+      data.construction_progress ||= 0
+      data.construction_goal ||= 100
+
+      @text = CyberarmEngine::Text.new("", y: @parent.position.y, z: Float::INFINITY, size: 12)
+      data.state = :construct # deconstruct, building, idle
+    end
+
+    def draw
+      case data.state
+      when :construct
+        draw_construction unless @text.text.empty?
+        @text.text = "Building: #{(construction_progress * 100.0).round}%"
+        @text.x = @parent.position.x - @text.width / 2
+        @text.draw
+      when :deconstruct
+      when :building
+      when :idle
+      else
+        raise "Unknown state!"
+      end
+    end
+
+    def update
+      case data.state
+      when :construct
+        @parent.color.alpha = 255 * construction_progress
+        data.state = :idle if construction_complete?
+      end
+    end
+
+    def construction_complete?
+      data.construction_progress >= data.construction_goal
+    end
+
+    # WARNING: returns a floating point number, not network safe!
+    def construction_progress
+      data.construction_progress.to_f / data.construction_goal
+    end
+
+    def construction_work(work)
+      raise TypeError, "Got a non integer value!" unless work.is_a?(Integer)
+
+      data.construction_progress += work
+      data.construction_progress = data.construction_goal if construction_complete?
+    end
+
+    def draw_construction
+      @fencing ||= Gosu::Image.new(IMICRTS::ASSETS_PATH + "/fencing/fencing.png")
+      @fencing_edge ||= Gosu::Image.new(IMICRTS::ASSETS_PATH + "/fencing/fencing_edge.png")
+
+      tiles = []
+      each_tile(@parent.position / @parent.director.map.tile_size) do |tile, data, x, y|
+        tiles << tile
+      end
+
+      tiles.each do |tile|
+        # X
+        if tiles.find { |t| t.grid_position.x < tile.grid_position.x && t.grid_position.y == tile.grid_position.y} == nil
+          @fencing_edge.draw(tile.position.x - 30, tile.position.y, Float::INFINITY)
+        end
+        if tiles.find { |t| t.grid_position.x > tile.grid_position.x && t.grid_position.y == tile.grid_position.y} == nil
+          @fencing_edge.draw(tile.position.x, tile.position.y, Float::INFINITY)
+        end
+        # Y
+        if tiles.find { |t| t.grid_position.x == tile.grid_position.x && t.grid_position.y < tile.grid_position.y} == nil
+          @fencing.draw(tile.position.x, tile.position.y - 24, Float::INFINITY)
+        end
+        if tiles.find { |t| t.grid_position.x == tile.grid_position.x && t.grid_position.y > tile.grid_position.y} == nil
+          @fencing.draw(tile.position.x, tile.position.y, Float::INFINITY)
+        end
+      end
+    end
+
+    def each_tile(vector, &block)
+      if tile = @parent.director.map.tile_at(vector.x, vector.y)
+        ent = Entity.get(@parent.name)
+        origin = (tile.grid_position - 2)
+
+        ent.tiles.each_with_index do |array, y|
+          array.each_with_index do |space_required, x|
+            next unless space_required.is_a?(TrueClass)
+
+            other_tile = @parent.director.map.tile_at(origin.x + x, origin.y + y)
+            if other_tile
+              block.call(other_tile, space_required, origin.x + x, origin.y + y)
+            end
+          end
+        end
+      end
+    end
+  end
+end