Add queue info

src/game/queue.cr

@@ -1,6 +1,6 @@
 class Game::Queue
   struct Item
-    def initialize(@ts : Int64, @command : Game::Command)
+    def initialize(@ts : Int64, @command : Command)
     end
 
     getter ts
@@ -11,7 +11,7 @@ class Game::Queue
     @data = [] of Item
   end
 
-  def push(ts : Int64, value : Game::Command)
+  def push(ts : Int64, value : Command)
     # very unoptimal algo
     @data.push(Item.new(ts, value))
     @data.sort! do |a, b|
@@ -25,4 +25,8 @@ class Game::Queue
     end
     @data[-1].ts <= ts ? @data.pop : nil
   end
+
+  def top(n : Int32)
+    @data.last(n).reverse!
+  end
 end

src/game/world.cr

@@ -6,22 +6,23 @@ class Game::World
   def initialize(@ts = 0_i64)
     @map = Map.new
     @resources = Resources.new
-    @tasks = Queue.new
+    @queue = Queue.new
   end
 
   getter ts
   getter resources
   getter map
+  getter queue
 
   def push(command : Command)
     dur = command.start(self)
     done_at = @ts + dur.to_i64
-    @tasks.push(done_at, command)
+    @queue.push(done_at, command)
   end
 
   def run(ts : Int64)
     loop do
-      item = @tasks.pop(ts)
+      item = @queue.pop(ts)
       if item.nil?
         break
       end