Change mine command with storehouse calc

spec/command_spec.cr

@@ -13,7 +13,7 @@ module Game::TestCommand
       Point.new(0, 0),
       Building.new(
         Building::Type::StartPoint,
-        storage: 200
+        storage: 200, roles: [Building::Role::Storehouse]
       )
     )
     map.set DepositTile.new(
@@ -79,8 +79,10 @@ module Game::TestCommand
     it "should complete mining command" do
       world = World.new create_map_with_resource
       command = MineCommand.new Point.new(0, 1), once: true
-      world.push command
-      world.run 20
+      time_point = (20 + 1 * 2 + 1 * 2).to_i64
+      done_at = world.push command
+      done_at.should eq time_point
+      world.run time_point
       # Check world resources
       world.resources[Resource::Type::Crystals].should eq 40
       # Check tile deposit

src/game/building.cr

@@ -63,7 +63,7 @@ module Game
       storage : Capacity | Nil = nil
     )
       @name = name != "" ? name : @type.to_s
-      @roles = roles.nil? ? Array(Role).new : roles
+      @roles = roles.nil? ? Array(Role).new : roles.as(Array(Role))
       @construction = construction.nil? ? Construction.immediatly : construction.as(Construction)
       @production = production
       @mining = mining
@@ -79,5 +79,9 @@ module Game
     getter mining
     getter restoration
     getter storage
+
+    def has_role(role : Role) : Bool
+      @roles.includes? role
+    end
   end
 end

src/game/command.cr

@@ -59,11 +59,14 @@ module Game
       end
       resource = mining.resource
       deposit_tile = nearest_deposit(world, resource.type)
-      if deposit_tile
+      stock_tile = nearest_stock(world)
+      if deposit_tile && stock_tile
         mined_amount = deposit_tile.dep.dec(resource.amount)
         @holded = resource.type.to_res mined_amount
+        mining.ts + 2 * tile.point.distance(stock_tile.point) + 2 * tile.point.distance(deposit_tile.point)
+      else
+        mining.ts
       end
-      mining.ts
     end
 
     def finish(world : World)
@@ -82,6 +85,13 @@ module Game
       end
       tile.as?(DepositTile)
     end
+
+    private def nearest_stock(world : World) : BuildingTile?
+      tile = world.map.nearest_tile @point do |tile|
+        tile.is_a?(BuildingTile) && tile.building.has_role Building::Role::Storehouse
+      end
+      tile.as?(BuildingTile)
+    end
   end
 
   class RestoreCommand < Command