Class: Protocol

Inherits:
Object
  • Object
show all
Includes:
REXML::StreamListener
Defined in:
lib/software_challenge_client/protocol.rb

Overview

This class handles the parsing of xml strings according to the network protocol of twixt

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(network, client) ⇒ Protocol 



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# File 'lib/software_challenge_client/protocol.rb', line 27

def initialize(network, client)
  @gamestate = GameState.new
  @network, @client = network, client  
  self.client.gamestate = self.gamestate
end

Instance Attribute Details

#client ⇒ ClientInterface (readonly) 



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# File 'lib/software_challenge_client/protocol.rb', line 24

def client
  @client
end

#gamestate ⇒ Gamestate (readonly) 



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# File 'lib/software_challenge_client/protocol.rb', line 18

def gamestate
  @gamestate
end

#roomID ⇒ String 



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# File 'lib/software_challenge_client/protocol.rb', line 21

def roomID
  @roomID
end

Instance Method Details

#processString(text) ⇒ Object

starts xml-string parsing



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# File 'lib/software_challenge_client/protocol.rb', line 36

def processString(text)
  list = self
  #puts "Parse XML:\n#{text}\n----END XML"
  REXML::Document.parse_stream(text, list)
end

#sendXml(document) ⇒ Object

send a xml document



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# File 'lib/software_challenge_client/protocol.rb', line 145

def sendXml(document)
  @network.sendXML(document)  
end

#tag_end(name) ⇒ Object

called if an end-tag is read



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# File 'lib/software_challenge_client/protocol.rb', line 45

def tag_end(name)
  case name
  when "board"
    puts @gamestate.board.to_s
  when "condition"
    puts "Game ended"
    @network.disconnect
  end
end

#tag_start(name, attrs) ⇒ Object

called if a start tag is read Depending on the tag the gamestate is updated or the client will be asked for a move



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# File 'lib/software_challenge_client/protocol.rb', line 61

def tag_start(name, attrs)
  case name
  when "room"
    @roomID = attrs['roomId']
    puts "roomId : "+@roomID
  when "data"
    puts "data(class) : "+attrs['class']
    if attrs['class'] == "sc.framework.plugins.protocol.MoveRequest"
      @client.gamestate = self.gamestate
      move = @client.getMove
      document = REXML::Document.new
      document.add_element('room',{'roomId' => @roomID})
      data = REXML::Element.new('data')
      data.add_attribute('class', 'move')
      data.add_attribute('x', move.x)
      data.add_attribute('y', move.y)
      document.root.add_element(data)
      for h in move.hints
        hint = REXML::Element.new('hint')
        hint.add_attribute('content', h.content)
        document.root.elements['data'].elements << hint
      end
      self.sendXml(document)
    end
    if attrs['class'] == "error"
      puts "Game ended - ERROR"
      puts attrs['message']
      @network.disconnect
    end
  when "state"
    puts 'new gamestate'
    @gamestate.turn = attrs['turn'].to_i
    @gamestate.startPlayerColor = attrs['startPlayer'] == 'RED' ? PlayerColor::RED : PlayerColor::BLUE
    @gamestate.currentPlayerColor = attrs['currentPlayer'] == 'RED' ? PlayerColor::RED : PlayerColor::BLUE
    puts "Turn: #{@gamestate.turn}"
  when "red" 
    puts 'new red player'
    @gamestate.addPlayer(Player.new(attrs['color'] == 'RED' ? PlayerColor::RED : PlayerColor::BLUE))
    @gamestate.red.points = attrs['points'].to_i
  when "blue"
    puts 'new blue player'
    @gamestate.addPlayer(Player.new(attrs['color'] == 'RED' ? PlayerColor::RED : PlayerColor::BLUE))
    @gamestate.blue.points = attrs['points'].to_i
  when "board"
    puts 'new board'
    @gamestate.board = Board.new(true)
  when "field"
    type = FieldType::NORMAL
    ownerColor = PlayerColor::NONE
    case attrs['type']
    when 'SWAMP'
      type = FieldType::SWAMP
    when 'RED'
      type = FieldType::RED
    when 'BLUE'
      type = FieldType::BLUE
    when "winner"
      puts "Game ended"
      @network.disconnect
    end

    case attrs['owner']
    when 'RED'
      ownerColor = PlayerColor::RED
    when 'BLUE'
      ownerColor = PlayerColor::BLUE
    end
    x = attrs['x'].to_i
    y = attrs['y'].to_i

    @gamestate.board.fields[x][y] = Field.new(type, x, y)
    @gamestate.board.fields[x][y].ownerColor = ownerColor
  when "connection"
    @gamestate.board.connections.push(Connection.new(attrs['x1'].to_i, attrs['y1'].to_i, attrs['x2'].to_i, attrs['y2'].to_i, attrs['owner']))
  when "lastMove"
    @gamestate.lastMove = Move.new(attrs['x'], attrs['y'])
  when "condition"
    @gamestate.condition = Condition.new(attrs['winner'], attrs['reason'])
  end
end