Android Open Source - droidengine2d Default Renderer

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License

The source code is released under:

Apache License

Java Source Code

/*   Copyright 2013-2014 Miguel Vicente Linares
 *//from   w  ww.  ja v  a  2 s. c  o  m
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.miviclin.droidengine2d.graphics;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.app.Activity;
import android.opengl.GLES20;

import com.miviclin.droidengine2d.AbstractGame;
import com.miviclin.droidengine2d.BuildConfig;
import com.miviclin.droidengine2d.graphics.cameras.Camera;

/**
 * Default renderer.
 * 
 * @author Miguel Vicente Linares
 * 
 */
public class DefaultRenderer implements EngineRenderer {

  private AbstractGame game;
  private Graphics graphics;

  /**
   * Creates a new DefaultRenderer.
   * 
   * @param game Game.
   */
  public DefaultRenderer(AbstractGame game) {
    this.game = game;
  }

  @Override
  public void onSurfaceCreated(GL10 glUnused, EGLConfig config) {
    Camera camera = game.getCamera();
    Activity activity = game.getActivity();
    graphics = new Graphics(camera, activity);
    graphics.initialize();

    GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
    GLES20.glEnable(GLES20.GL_CULL_FACE);
    GLES20.glEnable(GLES20.GL_BLEND);
    GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA);
    GLES20.glDisable(GLES20.GL_DEPTH_TEST);
  }

  @Override
  public void onSurfaceChanged(GL10 glUnused, int width, int height) {
    Camera camera = game.getCamera();
    camera.setViewportDimensions(width, height);
    camera.update();
    game.getTextureManager().loadAllTextures();
  }

  @Override
  public void onDrawFrame(GL10 glUnused) {
    GLES20.glClear(GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

    if (BuildConfig.DEBUG) {
      GLDebugger.getInstance().logNumDrawCallsInPreviousFrame();
    }

    game.draw(graphics);
    graphics.flush();

    if (BuildConfig.DEBUG) {
      GLDebugger.getInstance().resetNumDrawCallsInCurrentFrame();
    }
  }

}

Java Source Code List

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