From 9c1feddb49c387e676c10d5bebedcd065fe48789 Mon Sep 17 00:00:00 2001
From: kiritow <1362050620@qq.com>
Date: Thu, 2 Feb 2017 14:23:22 +0800
Subject: [PATCH] [New] MusicManager Music SoundEffect added. MusicPlayer
 added. Sample Application Source Code Changed.

---
 App.cpp          | 11 +++++--
 InitManager.cpp  |  4 ++-
 InitManager.h    |  1 -
 MusicManager.cpp | 84 ++++++++++++++++++++++++++++++++++++++++++++++++
 MusicManager.h   | 60 ++++++++++++++++++++++++++++++++++
 mini_engine.h    |  4 +++
 6 files changed, 160 insertions(+), 4 deletions(-)
 create mode 100644 MusicManager.cpp
 create mode 100644 MusicManager.h

diff --git a/App.cpp b/App.cpp
index 33348ae..c9cd26d 100644
--- a/App.cpp
+++ b/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
diff --git a/InitManager.cpp b/InitManager.cpp
index a31554c..2fc1e27 100644
--- a/InitManager.cpp
+++ b/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();
 }
 
diff --git a/InitManager.h b/InitManager.h
index 0ba88d6..43bed37 100644
--- a/InitManager.h
+++ b/InitManager.h
@@ -1,6 +1,5 @@
 #pragma once
 #include "config.h"
-#include <vector>
 
 class InitManager_SDL
 {
diff --git a/MusicManager.cpp b/MusicManager.cpp
new file mode 100644
index 0000000..3ceb088
--- /dev/null
+++ b/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);
+}
diff --git a/MusicManager.h b/MusicManager.h
new file mode 100644
index 0000000..663c344
--- /dev/null
+++ b/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;
+};
+
diff --git a/mini_engine.h b/mini_engine.h
index c796884..8dea741 100644
--- a/mini_engine.h
+++ b/mini_engine.h
@@ -6,6 +6,10 @@
 /// InitManager
 #include "InitManager.h"
 
+/******************************************************************************/
+/// MusicManager
+#include "MusicManager.h"
+
 /******************************************************************************/
 /// Widget
 #include "MiniEngine/Widget.h"