axmol/cocos/audio/android/jni/cddandroidAndroidJavaEngine.cpp

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2015 Chukong Technologies Inc.

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#include "cddandroidAndroidJavaEngine.h"
#include <stdlib.h>
#include <android/log.h>
#include <jni.h>
#include <sys/system_properties.h>
#include "platform/android/jni/JniHelper.h"
#include "ccdandroidUtils.h"
#include "audio/include/AudioEngine.h"

// logging
#define  LOG_TAG    "cocosdenshion::android::AndroidJavaEngine"
#define  LOGD(...)  __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__)

// Java class
#define  CLASS_NAME "org/cocos2dx/lib/Cocos2dxHelper"

using namespace cocos2d::experimental;
using namespace CocosDenshion::android;

static inline bool getJNIStaticMethodInfo(cocos2d::JniMethodInfo &methodinfo,
    const char *methodName,
    const char *paramCode) {
    return cocos2d::JniHelper::getStaticMethodInfo(methodinfo,
        CLASS_NAME,
        methodName,
        paramCode);
}

AndroidJavaEngine::AndroidJavaEngine()
    : _implementBaseOnAudioEngine(false)
    , _effectVolume(1.f)
{
    char sdk_ver_str[PROP_VALUE_MAX] = "0";
    auto len = __system_property_get("ro.build.version.sdk", sdk_ver_str);
    if (len > 0)
    {
        auto sdk_ver = atoi(sdk_ver_str);
        __android_log_print(ANDROID_LOG_DEBUG, "cocos2d", "android build version:%d", sdk_ver);
        if (sdk_ver == 21)
        {
            _implementBaseOnAudioEngine = true;
        }
    }
    else
    {
        __android_log_print(ANDROID_LOG_DEBUG, "cocos2d", "%s", "Fail to get android build version.");
    }
}

AndroidJavaEngine::~AndroidJavaEngine() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "end", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

void AndroidJavaEngine::preloadBackgroundMusic(const char* filePath) {
    std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);

    // void playBackgroundMusic(String,boolean)
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "preloadBackgroundMusic", "(Ljava/lang/String;)V")) {
        return;
    }

    jstring stringArg = methodInfo.env->NewStringUTF(fullPath.c_str());
    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, stringArg);
    methodInfo.env->DeleteLocalRef(stringArg);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

void AndroidJavaEngine::playBackgroundMusic(const char* filePath, bool loop) {
    std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);

    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "playBackgroundMusic", "(Ljava/lang/String;Z)V")) {
        return;
    }

    jstring stringArg = methodInfo.env->NewStringUTF(fullPath.c_str());
    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, stringArg, loop);
    methodInfo.env->DeleteLocalRef(stringArg);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

void AndroidJavaEngine::stopBackgroundMusic(bool releaseData) {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "stopBackgroundMusic", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

void AndroidJavaEngine::pauseBackgroundMusic() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "pauseBackgroundMusic", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

void AndroidJavaEngine::resumeBackgroundMusic() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "resumeBackgroundMusic", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

void AndroidJavaEngine::rewindBackgroundMusic() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "rewindBackgroundMusic", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

bool AndroidJavaEngine::willPlayBackgroundMusic() {
    return true;
}

bool AndroidJavaEngine::isBackgroundMusicPlaying() {
    cocos2d::JniMethodInfo methodInfo;
    jboolean ret = false;

    if (!getJNIStaticMethodInfo(methodInfo, "isBackgroundMusicPlaying", "()Z")) {
        return ret;
    }

    ret = methodInfo.env->CallStaticBooleanMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);

    return ret;
}

float AndroidJavaEngine::getBackgroundMusicVolume() {
    cocos2d::JniMethodInfo methodInfo;
    jfloat ret = -1.0;

    if (!getJNIStaticMethodInfo(methodInfo, "getBackgroundMusicVolume", "()F")) {
        return ret;
    }

    ret = methodInfo.env->CallStaticFloatMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);

    return ret;
}

void AndroidJavaEngine::setBackgroundMusicVolume(float volume) {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "setBackgroundMusicVolume", "(F)V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, volume);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}


static float _jni_getEffectsVolume() {
    cocos2d::JniMethodInfo methodInfo;
    jfloat ret = -1.0;

    if (!getJNIStaticMethodInfo(methodInfo, "getEffectsVolume", "()F")) {
        return ret;
    }

    ret = methodInfo.env->CallStaticFloatMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);

    return ret;
}

static void _jni_setEffectsVolume(float volume) {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "setEffectsVolume", "(F)V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, volume);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static unsigned int _jni_playEffect(const char* filePath, bool loop, float pitch, float pan, float gain)
{
    cocos2d::JniMethodInfo methodInfo;
    int ret = 0;
    std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);

    if (!getJNIStaticMethodInfo(methodInfo, "playEffect", "(Ljava/lang/String;ZFFF)I")) {
        return ret;
    }

    jstring stringArg = methodInfo.env->NewStringUTF(fullPath.c_str());
    ret = methodInfo.env->CallStaticIntMethod(methodInfo.classID,
        methodInfo.methodID,
        stringArg,
        loop,
        pitch, pan, gain);
    methodInfo.env->DeleteLocalRef(stringArg);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);

    return (unsigned int)ret;
}

static void _jni_pauseEffect(unsigned int soundId) {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "pauseEffect", "(I)V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, (int)soundId);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void _jni_pauseAllEffects() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "pauseAllEffects", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void _jni_resumeEffect(unsigned int soundId) {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "resumeEffect", "(I)V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, (int)soundId);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void _jni_resumeAllEffects() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "resumeAllEffects", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void _jni_stopEffect(unsigned int soundId) {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "stopEffect", "(I)V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, (int)soundId);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void _jni_stopAllEffects() {
    cocos2d::JniMethodInfo methodInfo;

    if (!getJNIStaticMethodInfo(methodInfo, "stopAllEffects", "()V")) {
        return;
    }

    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void loadEffect(const char* filePath, char* loadEffectName) {
    cocos2d::JniMethodInfo methodInfo;
    std::string fullPath = CocosDenshion::android::getFullPathWithoutAssetsPrefix(filePath);

    if (!cocos2d::JniHelper::getStaticMethodInfo(methodInfo, CLASS_NAME, loadEffectName, "(Ljava/lang/String;)V")) {
        return;
    }

    jstring stringArg = methodInfo.env->NewStringUTF(fullPath.c_str());
    methodInfo.env->CallStaticVoidMethod(methodInfo.classID, methodInfo.methodID, stringArg);
    methodInfo.env->DeleteLocalRef(stringArg);
    methodInfo.env->DeleteLocalRef(methodInfo.classID);
}

static void _jni_preloadEffect(const char* filePath) {
    loadEffect(filePath, "preloadEffect");
}

static void _jni_unloadEffect(const char* filePath) {
    loadEffect(filePath, "unloadEffect");
}


float AndroidJavaEngine::getEffectsVolume()
{
    if (_implementBaseOnAudioEngine)
    {
        return _effectVolume;
    }
    else
    {
        return _jni_getEffectsVolume();
    }
}

void AndroidJavaEngine::setEffectsVolume(float volume)
{
    if (_implementBaseOnAudioEngine)
    {
        if (volume > 1.f)
        {
            volume = 1.f;
        }
        else if (volume < 0.f)
        {
            volume = 0.f;
        }

        if (_effectVolume != volume)
        {
            _effectVolume = volume;
            for (auto& it : _soundIDs)
            {
                AudioEngine::setVolume(it.first, volume);
            }
        }
    }
    else
    {
        _jni_setEffectsVolume(volume);
    }
}

unsigned int AndroidJavaEngine::playEffect(const char* filePath, bool loop,
    float pitch, float pan, float gain)
{
    if (_implementBaseOnAudioEngine)
    {
        auto soundID = AudioEngine::play2d(filePath, loop, _effectVolume);
        if (soundID != AudioEngine::INVALID_AUDIO_ID)
        {
            _soundIDs[soundID] = soundID;

            AudioEngine::setFinishCallback(soundID, [this](int id, const std::string& filePath){
                _soundIDs.erase(id);
            });
        }

        return soundID;
    }
    else
    {
        return _jni_playEffect(filePath, loop, pitch, pan, gain);
    }
}

void AndroidJavaEngine::pauseEffect(unsigned int soundID)
{
    if (_implementBaseOnAudioEngine)
    {
        AudioEngine::pause(soundID);
    }
    else
    {
        _jni_pauseEffect(soundID);
    }
}

void AndroidJavaEngine::resumeEffect(unsigned int soundID)
{
    if (_implementBaseOnAudioEngine)
    {
        AudioEngine::resume(soundID);
    }
    else
    {
        _jni_resumeEffect(soundID);
    }
}

void AndroidJavaEngine::stopEffect(unsigned int soundID)
{
    if (_implementBaseOnAudioEngine)
    {
        AudioEngine::stop(soundID);
        _soundIDs.erase(soundID);
    }
    else
    {
        _jni_stopEffect(soundID);
    }
}

void AndroidJavaEngine::pauseAllEffects()
{
    if (_implementBaseOnAudioEngine)
    {
        for (auto& it : _soundIDs)
        {
            AudioEngine::pause(it.first);
        }
    }
    else
    {
        _jni_pauseAllEffects();
    }
}

void AndroidJavaEngine::resumeAllEffects()
{
    if (_implementBaseOnAudioEngine)
    {
        for (auto& it : _soundIDs)
        {
            AudioEngine::resume(it.first);
        }
    }
    else
    {
        _jni_resumeAllEffects();
    }
}

void AndroidJavaEngine::stopAllEffects()
{
    if (_implementBaseOnAudioEngine)
    {
        for (auto& it : _soundIDs)
        {
            AudioEngine::stop(it.first);
        }
        _soundIDs.clear();
    }
    else
    {
        _jni_stopAllEffects();
    }
}

void AndroidJavaEngine::preloadEffect(const char* filePath)
{
    if (!_implementBaseOnAudioEngine)
    {
        _jni_preloadEffect(filePath);
    }
}

void AndroidJavaEngine::unloadEffect(const char* filePath)
{
    if (!_implementBaseOnAudioEngine)
    {
        _jni_unloadEffect(filePath);
    }
}