Added spawner and waypoint components, added building_set_waypoint order, particle emitters can now toggle their emission, buildings can now build and spawn units, buildings now dynamically emit smoke when working and no longer when building, added player2 to default game for testing.

lib/tools/place_entity.rb

@@ -73,21 +73,14 @@ class IMICRTS
 
     def can_use?(vector)
       return false if @game.sidebar.hit?(@game.window.mouse_x, @game.window.mouse_y)
-      useable = true
-      done  = false
 
       if tile = @director.map.tile_at(vector.x, vector.y)
         ent = Entity.get(@entity)
         origin = (tile.grid_position - 2)
 
         @director.each_tile(vector, @entity) do |tile, _data, x, y|
-          if tile.entity || tile.reserved || tile.type != :ground || @director.map.ore_at(x, y)
-            useable = false
-            break
-          end
+          return false if tile.entity || tile.reserved || tile.type != :ground || @director.map.ore_at(x, y)
         end
-
-        return useable
       else
         return false
       end