[New] MusicManager

Music SoundEffect added.
MusicPlayer added.
Sample Application Source Code Changed.

App.cpp

@@ -1,5 +1,4 @@
 #include "App.h"
-#include "Game/Main.h"
 
 using namespace Engine;
 using namespace MiniEngine;
@@ -17,7 +16,15 @@ namespace App
             mlog("Failed to open Font.");
             return;
         }
-        Game::Main(wnd,rnd,bigf);
+        rnd.clear();
+        rnd.update();
+
+        MusicPlayer player;
+        Music m("res/music.mp3");
+        player.add(m,-1);
+        player.play();
+
+        while(1) SDL_PollEvent(0);
 
         /*
         /// Sample Code of Brush

InitManager.cpp

@@ -98,16 +98,18 @@ InitManager_Mix::InitManager_Mix()
         Global::ErrorQuit("Failed to Init Mixer.");
     }
 
+    /*
     if(Mix_OpenAudio(44100, AUDIO_S16SYS, 2, 1024)<0)
     {
         Global::ErrorQuit("Failed to OpenAudio");
     }
     Mix_AllocateChannels(32);
+    */
 }
 
 InitManager_Mix::~InitManager_Mix()
 {
-    Mix_CloseAudio();
+    //Mix_CloseAudio();
     Mix_Quit();
 }
 

InitManager.h

@@ -1,6 +1,5 @@
 #pragma once
 #include "config.h"
-#include <vector>
 
 class InitManager_SDL
 {

MusicManager.cpp

@@ -0,0 +1,84 @@
+#include "MusicManager.h"
+#include <memory>
+#include <vector>
+using namespace std;
+
+struct Music::impl
+{
+    friend class Music;
+    shared_ptr<Mix_Music> sMusic;
+};
+Music::Music()
+{
+    pimpl.reset(new impl);
+}
+Music::Music(const char* MusicFileName) : Music()
+{
+    load(MusicFileName);
+}
+int Music::load(const char* MusicFileName)
+{
+    Mix_Music* ptemp=Mix_LoadMUS(MusicFileName);
+    if(ptemp==nullptr) return -1;
+    pimpl->sMusic.reset(ptemp,Mix_FreeMusic);
+    return 0;
+}
+int Music::unload()
+{
+    if(pimpl->sMusic.get())
+    {
+        pimpl->sMusic.reset();
+        return 0;
+    }
+    else return -2;
+}
+bool Music::ready()
+{
+    return (pimpl->sMusic.get()!=nullptr);
+}
+Music::~Music()
+{
+    unload();
+}
+
+
+struct MusicPlayer::impl
+{
+    vector<pair<Music,int>> vec;
+};
+MusicPlayer::MusicPlayer(int freq,Uint16 format,int soundChannel,int chunkSize)
+{
+    pimpl.reset(new impl);
+    if(pInstance) return;
+    Mix_OpenAudio(freq,format,soundChannel,chunkSize);
+    pInstance=this;
+}
+MusicPlayer::~MusicPlayer()
+{
+    if(pInstance) Mix_CloseAudio();
+    pInstance=nullptr;
+}
+int MusicPlayer::play()
+{
+    return Mix_PlayMusic(pimpl->vec.front().first.pimpl->sMusic.get(),pimpl->vec.front().second);
+}
+int MusicPlayer::add(Music& music,int times)
+{
+    if(!music.ready()) return -1;
+    pimpl->vec.push_back(make_pair(music,times));
+    return 0;
+}
+MusicPlayer* MusicPlayer::pInstance=nullptr;
+
+
+
+struct SoundEffect::impl
+{
+    friend class SoundEffect;
+    shared_ptr<Mix_Chunk> sChunk;
+};
+
+SoundEffect::SoundEffect()
+{
+    pimpl.reset(new impl);
+}

MusicManager.h

@@ -0,0 +1,60 @@
+#pragma once
+#include "config.h"
+#include <memory>
+
+#define _MUSIC_MANAGER_IMPL \
+    struct impl; \
+    std::shared_ptr<impl> pimpl;
+
+/// Fwd Decl
+class MusicPlayer;
+
+class Music
+{
+public:
+    Music();
+    Music(const char* MusicFileName);
+    int load(const char* MusicFileName);
+    int unload();
+    bool ready();
+    ~Music();
+private:
+    _MUSIC_MANAGER_IMPL
+
+    friend class MusicPlayer;
+};
+
+class SoundEffect
+{
+public:
+    SoundEffect();
+    SoundEffect(const char* SoundEffectFileName);
+    int load(const char* SoundEffectFileName);
+    ~SoundEffect();
+private:
+    _MUSIC_MANAGER_IMPL
+};
+
+class MusicPlayer
+{
+public:
+    MusicPlayer(int freq=MIX_DEFAULT_FREQUENCY,Uint16 format=MIX_DEFAULT_FORMAT,int soundChannel=2,int chunkSize=1024);
+    ~MusicPlayer();
+    int play();
+    int stop();
+    int add(Music& music,int times);
+private:
+    static MusicPlayer* pInstance;
+    _MUSIC_MANAGER_IMPL
+};
+
+class SoundEffectPlayer
+{
+public:
+    SoundEffectPlayer();
+    ~SoundEffectPlayer();
+    int play(SoundEffect& soundeffect,int times);
+private:
+    _MUSIC_MANAGER_IMPL;
+};
+

mini_engine.h

@@ -6,6 +6,10 @@
 /// InitManager
 #include "InitManager.h"
 
+/******************************************************************************/
+/// MusicManager
+#include "MusicManager.h"
+
 /******************************************************************************/
 /// Widget
 #include "MiniEngine/Widget.h"