axmol/templates/cpp/Source/AppDelegate.cpp

/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).

 https://axmol.dev/

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 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,
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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#include "AppDelegate.h"
#include "MainScene.h"

#define USE_AUDIO_ENGINE 1

#if USE_AUDIO_ENGINE
#    include "audio/AudioEngine.h"
#endif

using namespace ax;

static ax::Size designResolutionSize = ax::Size(1280, 720);

AppDelegate::AppDelegate() {}

AppDelegate::~AppDelegate() {}

// if you want a different context, modify the value of glContextAttrs
// it will affect all platforms
void AppDelegate::initGLContextAttrs()
{
    // set OpenGL context attributes: red,green,blue,alpha,depth,stencil,multisamplesCount
    GLContextAttrs glContextAttrs = {8, 8, 8, 8, 24, 8, 0};
    // since axmol-2.2 vsync was enabled in engine by default
    // glContextAttrs.vsync = false;

    GLView::setGLContextAttrs(glContextAttrs);
}

bool AppDelegate::applicationDidFinishLaunching()
{
    // initialize director
    auto director = Director::getInstance();
    auto glView   = director->getGLView();
    if (!glView)
    {
#if (AX_TARGET_PLATFORM == AX_PLATFORM_WIN32) || (AX_TARGET_PLATFORM == AX_PLATFORM_MAC) || \
    (AX_TARGET_PLATFORM == AX_PLATFORM_LINUX)
        glView = GLViewImpl::createWithRect(
            "Dummy", ax::Rect(0, 0, designResolutionSize.width, designResolutionSize.height));
#else
        glView = GLViewImpl::create("Dummy");
#endif
        director->setGLView(glView);
    }

    // turn on display FPS
    director->setStatsDisplay(true);

    // set FPS. the default value is 1.0/60 if you don't call this
    director->setAnimationInterval(1.0f / 60);

    // Set the design resolution
    glView->setDesignResolutionSize(designResolutionSize.width, designResolutionSize.height,
                                    ResolutionPolicy::SHOW_ALL);

    // create a scene. it's an autorelease object
    auto scene = utils::createInstance<MainScene>();

    // run
    director->runWithScene(scene);

    return true;
}

// This function will be called when the app is inactive. Note, when receiving a phone call it is invoked.
void AppDelegate::applicationDidEnterBackground()
{
    Director::getInstance()->stopAnimation();

#if USE_AUDIO_ENGINE
    AudioEngine::pauseAll();
#endif
}

// this function will be called when the app is active again
void AppDelegate::applicationWillEnterForeground()
{
    Director::getInstance()->startAnimation();

#if USE_AUDIO_ENGINE
    AudioEngine::resumeAll();
#endif
}