AndroidLauncher.java

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2017 Sri Harsha Chilakapati
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.shc.silenceengine.backend.android;

import android.app.Activity;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;
import com.shc.silenceengine.core.SilenceEngine;

/**
 * @author Sri Harsha Chilakapati
 */
public abstract class AndroidLauncher extends Activity
{
    static AndroidLauncher instance;

    GLSurfaceView surfaceView;
    AndroidWindow renderer;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        instance = this;

        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(
                WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);

        surfaceView = new GLSurfaceView(this);
        surfaceView.setEGLContextClientVersion(3);
        surfaceView.setPreserveEGLContextOnPause(true);
        surfaceView.setRenderer(renderer = new AndroidWindow(this::launchGame));

        setContentView(surfaceView);
    }

    @Override
    protected void onResume()
    {
        super.onResume();
        surfaceView.onResume();

        surfaceView.queueEvent(() ->
        {
            SilenceEngine.gameLoop.onFocusGain();

            if (SilenceEngine.audio != null)
                ((AndroidAudioDevice) SilenceEngine.audio).onFocusGain();
        });
    }

    @Override
    protected void onPause()
    {
        surfaceView.queueEvent(() ->
        {
            SilenceEngine.gameLoop.onFocusLost();

            if (SilenceEngine.audio != null)
                ((AndroidAudioDevice) SilenceEngine.audio).onFocusLost();
        });

        super.onPause();
        surfaceView.onPause();
    }

    public abstract void launchGame();
}