Android Open Source - nadia Game State

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From Project

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

/*
 * GameState.java// w w w  .j ava 2  s. c om
 * 
 * Copyright (c) 2013, Emmanuel Arana Corzo. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

package com.redarctic.nadia.baseengine;

import java.util.ArrayList;

import com.redarctic.nadia.ext.simplesignalslot.ISlotProvider;

import android.graphics.Canvas;

public abstract class GameState extends DrawableGameComponent implements ISlotProvider {
  ArrayList<GameComponent> childComponents;

  public ArrayList<GameComponent> getChildComponents() {
    return childComponents;
  }
  
  GameState tag;
  
  public GameState getTag() {
    return this.tag;
  }
  
  protected GameStateManager stateManager;
  
  public GameState(GameStateManager manager) {
    super();
    this.stateManager = manager;
    this.childComponents = new ArrayList<GameComponent>();
    tag = this;
  }
  
  @Override
  public void initialize() {
    super.initialize();
  }

  @Override
  public void update(Canvas canvas) {
    for (GameComponent component : childComponents) {
      if (component.isEnabled()) {
        component.update(canvas);
      }
    }
  }

  @Override
  public void drawMe(Canvas canvas) {
    DrawableGameComponent drawComponent;
    
    for ( GameComponent component : childComponents ) {
      if (component instanceof DrawableGameComponent) {
        drawComponent = (DrawableGameComponent)component;
        
        if (drawComponent.isVisible()) {
          drawComponent.drawMe(canvas);
        }
      }
    }
  }
  
  protected void show() {
    this.setVisible(true);
    this.setEnabled(true);
    
    for (GameComponent component : childComponents ) {
      component.setEnabled(true);
      
      if (component instanceof DrawableGameComponent) {
        ((DrawableGameComponent) component).setVisible(true);
      }
    }
  }
  
  protected void hide() {
    this.setVisible(false);
    this.setEnabled(false);
    
    for (GameComponent component : childComponents ) {
      component.setEnabled(false);
      
      if (component instanceof DrawableGameComponent) {
        ((DrawableGameComponent) component).setVisible(false);
      }
    }
  }
  
  public void stateChange(GameState origin) {
    if (origin == this.tag) {
      show();
    }
    else {
      hide();
    }
  }
}

Java Source Code List

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