added on_order handler to entities and components, added visibility map

lib/components/movement.rb

@@ -17,6 +17,16 @@ class IMICRTS
       end
     end
 
+    def on_order(type, order)
+      case type
+      when IMICRTS::Order::MOVE
+        @parent.target = order.vector
+      when IMICRTS::Order::STOP
+        @parent.target = nil
+        @pathfinder = nil
+      end
+    end
+
     def rotate_towards(vector)
       angle = Gosu.angle(@parent.position.x, @parent.position.y, vector.x, vector.y)
       a = (360.0 + (angle - @parent.angle)) % 360.0
@@ -34,7 +44,7 @@ class IMICRTS
     end
 
     def follow_path
-      if @pathfinder && node = @pathfinder.path_current_node
+      if @pathfinder && (node = @pathfinder.path_current_node)
         @pathfinder.path_next_node if @pathfinder.at_current_path_node?(@parent)
         @parent.position -= (@parent.position.xy - (node.tile.position + @parent.director.map.tile_size / 2).xy).normalized * @parent.speed
       end

lib/components/spawner.rb

@@ -1,5 +1,12 @@
 class IMICRTS
   class Spawner < Component
+    attr_accessor :spawnpoint
+
+    def setup
+      @spawnpoint = @parent.position.clone
+      @spawnpoint.y += 64
+    end
+
     def tick(tick_id)
       item = @parent.component(:build_queue).queue.first
 
@@ -12,5 +19,15 @@ class IMICRTS
       item.completed = true
       @parent.director.schedule_order(IMICRTS::Order::BUILD_UNIT_COMPLETE, @parent.player.id, @parent.id)
     end
+
+    def on_order(type, order)
+      case type
+      when IMICRTS::Order::BUILD_UNIT_COMPLETE
+        item = @parent.component(:build_queue).queue.shift
+
+        ent = @parent.director.spawn_entity(player_id: @parent.player.id, name: item.entity.name, position: @spawnpoint)
+        ent.target = @parent.component(:waypoint).waypoint if @parent.component(:waypoint)
+      end
+    end
   end
 end

lib/components/structure.rb

@@ -33,6 +33,13 @@ class IMICRTS
       end
     end
 
+    def on_order(type, order)
+      case type
+      when IMICRTS::Order::CONSTRUCTION_COMPLETE
+        data.construction_complete = true
+      end
+    end
+
     def construction_complete?
       data.construction_progress >= data.construction_goal && data.construction_complete
     end

lib/components/waypoint.rb

@@ -2,7 +2,7 @@ class IMICRTS
   class Waypoint < Component
     def setup
       @waypoint = @parent.position.clone
-      @waypoint.y += @parent.director.map.tile_size
+      @waypoint.y += @parent.director.map.tile_size * 2
       @waypoint_color = 0xffffff00
     end