cocos2dx 玩转音乐播放_app

概述PlayMusic.cpp #include "PlayMusic.h"#include "SimpleAudioEngine.h"#include "iconv/iconvString.h"//报错请查下面看注意事项#include "SystemHeader.h"//报错请查下面看注意事项USING_NS_CC;using namespace CocosDenshion;//根据不

PlayMusic.cpp

#include "PlayMusic.h"#include "SimpleAudioEngine.h"#include "iconv/iconvString.h"//报错请查下面看注意事项#include "Systemheader.h"//报错请查下面看注意事项USING_NS_CC;using namespace CocosDenshion;//根据不同的平台使用的预编译索引不同音频文件#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)#define EFFECT_file "effect2.ogg"#elif (CC_TARCET_PLATFORM == CC_PLATFORM_MARMALADE)#define EFFECT_file "effect1.raw"#else#define EFFECT_file "sound/FX088.mp3"#endif#if (CC_TARGET_PLATEFOM == CC_PLATFORM_WIN32)#define MUSIC_file "music.mID"#elif (CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBerry)#define MUSIC_file "background.ogg"#else#define MUSIC_file "sound/BACK_MUSIC.mp3"#endifstd::string items[] = {    "播放背景音乐","停止背景音乐","暂停背景音乐","继续播放背景音乐","后退背景音乐","背景音乐是否播放","播放音效","重复播放音效","停止音效播放","释放音效","增加背景音乐音量","减少背景音效音量","增加音效音量","减少音效音量","暂停音效","继续播放音效","暂停所有音效","继续所有音效","停止所有音效"};unsigned int PlayMusic::effectID = 0;Scene* PlayMusic::createScene(){    // 'scene' is an autorelease object    auto scene = Scene::create();    // 'layer' is an autorelease object    PlayMusic *layer = PlayMusic::create();    // add layer as a child to scene    scene->addChild(layer);    // return the scene    return scene;}// on "init" you need to initialize your instancebool PlayMusic::init(){    //////////////////////////////    // 1. super init first    if (!Layer::init())    {        return false;    }    code_convert_init();    //    Ccmenu * m_pItmeMenu = Ccmenu::create();    CCSize size = CCDirector::sharedDirector()->getWinSize();    int m_nTestCount = sizeof(items) / sizeof(items[0]);    for (int i = 0; i<=18;i++)    {        LabelTTF * label = LabelTTF::create(gbktoutf8(items[i].c_str()),"",20);        label->setcolor(color3B::GREEN);        MenuItemLabel * pMenuItem = MenuItemLabel::create(label,CC_CALLBACK_1(PlayMusic::menuBack,this));        m_pItmeMenu->addChild(pMenuItem,i);        pMenuItem->setposition(CCPointMake(0,(size.height*0.5  - (i + 1) * 30)));    }    addChild(m_pItmeMenu,0,100);    // 预加载音乐和音效    SimpleAudioEngine::sharedEngine()->preloadBackgroundMusic(MUSIC_file);    SimpleAudioEngine::sharedEngine()->preloadEffect(EFFECT_file);    // 设置默认音量    SimpleAudioEngine::sharedEngine()->setEffectsVolume(0.5);    SimpleAudioEngine::sharedEngine()->setBackgroundMusicVolume(0.5);    // CCUserDefault::sharedUserDefault()->setStringForKey("name","baibai");    SaveStringToXML("name","baibai");    CCUserDefault::sharedUserDefault()->flush();//写了东西要提交     // std::string name = CCUserDefault::sharedUserDefault()->getStringForKey("name");    std::string name = LoadStringFromXML("name");    log("name: %s ",name.c_str());    log("%s",fileUtils::getInstance()->getWritablePath().c_str());    Size winSize = CCDirector::getInstance()->getWinSize();    Point pCenter = Point(winSize.wIDth / 2,winSize.height / 2);    ControlPotentiometer* potentiometer = ControlPotentiometer::create("potentiometerTrack.png","potentiometerProgress.png","potentiometerbutton.png");    potentiometer->setposition(Point(winSize.wIDth / 2 - 200,winSize.height / 2));    //监听进度值改变事件     potentiometer->addTargetWithActionForControlEvents(this,cccontrol_selector(PlayMusic::onValueChange),Control::EventType::VALUE_CHANGED);    this->addChild(potentiometer);    ControlSlIDer* slIDer = ControlSlIDer::create("slIDerTrack.png","slIDerProgress.png","slIDerThumb.png");    slIDer->setposition(Point(winSize.wIDth / 2-200,winSize.height / 2 - 80));    //设置滑动条的范围     slIDer->setMinimumValue(0.0f);    slIDer->setMaximumValue(1.0f);    //设置滑动条当前值     slIDer->setValue(0.5f);    slIDer->addTargetWithActionForControlEvents(this,cccontrol_selector(PlayMusic::slIDerChange),Control::EventType::VALUE_CHANGED);    this->addChild(slIDer);    //得到窗口的大小    ///CCSize winSize = CCDirector::sharedDirector()->getWinSize();    //设置ControlSwitch控件打开的文字No"    Label* On = Label::create("ON","Fonts/arial.ttf",16);    //设置ControlSwitch控件关闭时的文字"OFF"    Label* Off = Label::create("OFF",16);    //设置ControlSwitch控件打开的文字的颜色    On->setcolor(ccc3(0,0));    //设置ControlSwitch控件关闭时的颜色    Off->setcolor(ccc3(0,0));    //创建ControlSwitch控件    ControlSwitch *switchControl = ControlSwitch::create(        Sprite::create("switch-mask.png"),Sprite::create("switch-on.png"),Sprite::create("switch-off.png"),Sprite::create("switch-thumb.png"),On,Off        );    //设置ControlSwitch控件的位置    switchControl->setposition(Point(winSize.wIDth / 2-200,winSize.height / 2 + 80));    // 注册valuechange消息，当valuechange时，调用switchValueChanged函数    switchControl->addTargetWithActionForControlEvents(this,cccontrol_selector(PlayMusic::switchValueChanged),Control::EventType::VALUE_CHANGED);    //添加ControlSwitch控件    addChild(switchControl);return true;}voID PlayMusic::switchValueChanged(Ref* psender,Control::EventType event){    if (event == Control::EventType::VALUE_CHANGED)    {        ControlSwitch* control = (ControlSwitch*)psender;        if (control->isOn())        {            SaveBooleanToXML("SOUND_KEY",true);            SaveBooleanToXML("MUSIC_KEY",true);            // CocosDenshion::SimpleAudioEngine::sharedEngine()->playBackgroundMusic("BACK_MUSIC.wav",true);            // CocosDenshion::SimpleAudioEngine::sharedEngine()->resumeAllEffects();            //log("Switch if ON");        }        else        {            SaveBooleanToXML("SOUND_KEY",false);            SaveBooleanToXML("MUSIC_KEY",false);            // CocosDenshion::SimpleAudioEngine::sharedEngine()->stopBackgroundMusic("BACK_MUSIC.wav");            // CocosDenshion::SimpleAudioEngine::sharedEngine()->pauseAllEffects();            //log("Swith is Off");        }    }    else    {        log("other events");    }}voID PlayMusic::slIDerChange(Ref* psender,Control::EventType event){    ControlSlIDer* slIDer = (ControlSlIDer*)psender;    String* valueStr = String::createWithFormat("%f",slIDer->getValue());    CocosDenshion::SimpleAudioEngine::sharedEngine()->setBackgroundMusicVolume((float)slIDer->getValue());    //log("setBackgroundMusicVolume=%f",CocosDenshion::SimpleAudioEngine::sharedEngine()->getBackgroundMusicVolume());    //log(valueStr->getCString());}voID PlayMusic::onValueChange(Ref* psender,Control::EventType event){    ControlPotentiometer* potentiometer = (ControlPotentiometer*)psender;    String* valueStr = String::createWithFormat("%f",potentiometer->getValue());    CocosDenshion::SimpleAudioEngine::sharedEngine()->setBackgroundMusicVolume((float)potentiometer->getValue());    //log("onValueChange=%f",(float)potentiometer->getValue());    // log("setBackgroundMusicVolume=%f",CocosDenshion::SimpleAudioEngine::sharedEngine()->getBackgroundMusicVolume());    // log(valueStr->getCString());}voID PlayMusic::menuBack(Ref * pSender){    CcmenuItem * pMenuItem = (CcmenuItem *)(pSender);    int nIDx = pMenuItem->getZOrder();    switch (nIDx) {    case 0:        // 播放背景音乐        SimpleAudioEngine::sharedEngine()->playBackgroundMusic(MUSIC_file,true);        break;    case 1:        // 停止背景音乐        SimpleAudioEngine::sharedEngine()->stopBackgroundMusic();        break;    case 2:        // 暂停背景音乐        SimpleAudioEngine::sharedEngine()->pauseBackgroundMusic();        break;    case 3:        // 继续播放背景音乐        SimpleAudioEngine::sharedEngine()->resumeBackgroundMusic();        break;    case 4:        // 后退背景音乐        SimpleAudioEngine::sharedEngine()->rewindBackgroundMusic();        break;    case 5:        // 背景音乐是否正在播放        if (SimpleAudioEngine::sharedEngine()->isBackgroundMusicPlaying()) {            cclOG("playing");        }        else            cclOG("no play");        break;    case 6:        // 播放音效，并且得到此音效的ID        SimpleAudioEngine::sharedEngine()->playEffect(EFFECT_file);        break;    case 7:        // 重复播放音效        effectID =SimpleAudioEngine::sharedEngine()->playEffect(EFFECT_file,true);        break;    case 8:        // 停止播放音效        SimpleAudioEngine::sharedEngine()->stopEffect(effectID);        break;    case 9:        // 释放音效        SimpleAudioEngine::sharedEngine()->unloadEffect("effect1.wav");        break;    case 10:        // 增加背景音乐音量        SimpleAudioEngine::sharedEngine()->setBackgroundMusicVolume(SimpleAudioEngine::sharedEngine()->getBackgroundMusicVolume() + 0.1f);        break;    case 11:        // 减少背景音乐音量        SimpleAudioEngine::sharedEngine()->setBackgroundMusicVolume(SimpleAudioEngine::sharedEngine()->getBackgroundMusicVolume() - 0.1f);        break;    case 12:        // 增加背景音效音量        SimpleAudioEngine::sharedEngine()->setEffectsVolume(SimpleAudioEngine::sharedEngine()->getEffectsVolume() + 0.1f);        break;    case 13:        // 减少背景音效音量        SimpleAudioEngine::sharedEngine()->setEffectsVolume(SimpleAudioEngine::sharedEngine()->getEffectsVolume() - 0.1f);        break;    case 14:        // 暂停音效        SimpleAudioEngine::sharedEngine()->pauseEffect(effectID);        break;    case 15:        // 继续 播放音效        SimpleAudioEngine::sharedEngine()->resumeEffect(effectID);        break;    case 16:        // 暂停所有音效        SimpleAudioEngine::sharedEngine()->pauseAllEffects();        break;    case 17:        // 继续所有音效        SimpleAudioEngine::sharedEngine()->resumeAllEffects();        break;    case 18:        // 停止所有音效        SimpleAudioEngine::sharedEngine()->stopAllEffects();        break;    default:        break;    }}

PlayMusic.h

#ifndef _PLAY_MUSIC_H_#define _PLAY_MUSIC_H_#include "cocos2d.h"#include "cocos-ext.h"using namespace cocos2d;using namespace cocos2d::extension;class PlayMusic : public cocos2d::Layer{public:    // there's no 'ID' in cpp,so we recommend returning the class instance pointer    static cocos2d::Scene* createScene();    // Here's a difference. Method 'init' in cocos2d-x returns bool,instead of returning 'ID' in cocos2d-iphone    virtual bool init();    // a selector callback    // implement the "static create()" method manually    CREATE_FUNC(PlayMusic);    voID menuBack(Ref * pSender);    voID onValueChange(Ref* psender,Control::EventType event);    voID slIDerChange(Ref* psender,Control::EventType event);    voID switchValueChanged(Ref* psender,Control::EventType event);    static unsigned int effectID;protected:};#endif