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• nescala-master
  • src
    • main
      • scala
        • com
          • owlandrews
            • nescala
              • Console.scala
              • Mapper7.scala
              • Memory.scala
              • package.scala
              • ui
                • Run.scala
                • Texture.scala
                • Audio.scala
                • Director.scala
                • WrapPanel.scala
                • View.scala
              • Mapper2.scala
              • Controller.scala
              • Mapper25.scala
              • helpers
                • Thumbnail.scala
                • Rom.scala
                • File.scala
                • Settings.scala
                • GamePads.scala
              • Mapper4.scala
              • Mapper1.scala
              • Palette.scala
              • Cartridge.scala
              • PPU.scala
              • APU.scala
              • Mapper.scala
              • Mapper9.scala
              • Filter.scala
              • Mapper3.scala
              • CPU.scala
              • Mapper23.scala
  • libs
    • libjinput-linux64.so
    • libjinput-linux.so
    • libjinput-osx.jnilib
  • LICENSE
  • project
    • build.properties
    • plugins.sbt
  • nescala
  • README.md
  • build.sbt
  • .gitignore
  • package
  • version.sbt

package com.owlandrews.nescala.ui

import java.awt.Canvas

import com.owlandrews.nescala.BuildInfo
import org.lwjgl.opengl.{Display, GL11}

import scala.swing.Dialog
import scala.util.{Failure, Success, Try}

case class Director(gameWindow : Canvas, menuWindow: WrapPanel) {
  
  private var view : Option[View] = None
  private var pause = false

  def Menu() = setView(Some(MenuView(menuWindow)))

  def Reset() = view.foreach(_.Reset())

  def Close() = setView(None)

  def Pause() = pause = true

  def Resume() = pause = false

  def Save() = view.foreach(_.Save())

  def Start(path: String) = loadGameView(path) match {
            case Success(_) => run()
            case Failure(e) => Dialog.showMessage(new {def peer = gameWindow.getParent}, e.getMessage, BuildInfo.name, Dialog.Message.Warning)
  }

  private def loadGameView(path: String) = Try(com.owlandrews.nescala.Console(path)).map(console => setView(Some(GameView(console, gameWindow))))

  private def setView(view : Option[View]) {
    this.view.foreach(_.Close())
    this.view = view
    this.view.foreach(_.Open())
  }

  private def step(ts:Long) = {
    // Clear the screen and depth buffer
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT)

    val dt = System.nanoTime() - ts
    val nextTimeStamp = System.nanoTime()
    val seconds = dt / 1000000000.0F
    view.foreach(_.Update(seconds))
    nextTimeStamp
  }

  private def run() = {
    var timestamp = System.nanoTime()
    while (view.isDefined) {
      if (!pause) timestamp = step(timestamp)
      Display.update()
    }
    Display.destroy()
  }
}