Module: Berlin::AI::Game::Internal::ClassMethods

Defined in:
lib/ai/game_internal.rb

Constant Summary collapse

@@games =

Keep track of all current games

{}

Instance Method Summary collapse

Instance Method Details

#create_or_update(action, infos, map, state) ⇒ Object 



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# File 'lib/ai/game_internal.rb', line 9

def create_or_update(action, infos, map, state)
  # Check for params and quit on errors
  return if action.nil? || infos.nil? || map.nil? || state.nil?

  # First, we parse the received request
  infos  = JSON.parse( infos )
  map    = JSON.parse( map )
  state  = JSON.parse( state )

  # Game id, set with player_id as well so an AI can fight with himself
  game_id = "#{infos['game_id']}-#{infos['player_id']}"

  # Then, let's see if we can find that game. If not, register it.
  game = @@games[game_id] ||= begin
    game                          = Berlin::AI::Game.new
    game.id                       = game_id
    game.map                      = Berlin::AI::Map.parse(map.merge(infos.select{ |k,v| ['directed', 'player_id'].include?(k) }))
    game.player_id                = infos['player_id']
    game.time_limit_per_turn      = infos['time_limit_per_turn']
    game.maximum_number_of_turns  = infos['maximum_number_of_turns']
    game.number_of_players        = infos['number_of_players']
    game
  end

  if action == "game_over"
    # Release the game to avoid memory leaks
    @@games.delete(game_id)
  elsif infos && state
    # Now, we want to update the current state of the game with the new content, as well as other infos
    game.update(infos['current_turn'], state)
  end

  game
end