Added music files cache

src/object/robotmain.cpp

@@ -3983,6 +3983,11 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)
         {
             m_audioTrack = OpInt(line, "track", 0);
             m_audioRepeat = OpInt(line, "repeat", 1);
+            if(m_audioTrack != 0) {
+                std::stringstream filename;
+                filename << "music" << std::setfill('0') << std::setw(3) << m_audioTrack << ".ogg";
+                m_sound->CacheMusic(filename.str());
+            }
         }
 
         if (Cmd(line, "AudioChange") && !resetObject && m_version >= 2)
@@ -3998,6 +4003,7 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)
                 OpString(line, "filename", m_audioChange[i].music);
                 m_audioChange[i].repeat  = OpInt(line, "repeat", 1);
                 m_audioChange[i].changed = false;
+                m_sound->CacheMusic(m_audioChange[i].music);
                 m_audioChangeTotal ++;
             }
         }

src/sound/oalsound/alsound.cpp

@@ -52,6 +52,10 @@ void ALSound::CleanUp()
             delete item.second;
         }
 
+        for (auto item : mMusic) {
+            delete item.second;
+        }
+
         mEnabled = false;
 
         mCurrentMusic->FreeBuffer();
@@ -160,6 +164,18 @@ bool ALSound::Cache(Sound sound, std::string filename)
     return false;
 }
 
+bool ALSound::CacheMusic(std::string filename)
+{
+    Buffer *buffer = new Buffer();
+    std::stringstream file;
+    file << m_soundPath << "/" << filename;
+    if (buffer->LoadFromFile(file.str(), static_cast<Sound>(-1))) {
+        mMusic[filename] = buffer;
+        return true;
+    }
+    return false;
+}
+
 
 int ALSound::GetPriority(Sound sound)
 {
@@ -555,17 +571,21 @@ bool ALSound::PlayMusic(std::string filename, bool bRepeat)
     std::stringstream file;
     file << m_soundPath << "/" << filename;
 
-    if (!boost::filesystem::exists(file.str())) {
-        GetLogger()->Warn("Requested music %s was not found.\n", filename.c_str());
-        return false;
+    // check if we have music in cache
+    if (mMusic.find(filename) == mMusic.end()) {
+        GetLogger()->Warn("Music %s was not cached!\n", filename.c_str());
+        if (!boost::filesystem::exists(file.str())) {
+            GetLogger()->Warn("Requested music %s was not found.\n", filename.c_str());
+            return false;
+        }
+        Buffer *buffer = new Buffer();
+        buffer->LoadFromFile(file.str(), static_cast<Sound>(-1));
+        mCurrentMusic->SetBuffer(buffer);
+    } else {
+        GetLogger()->Debug("Music loaded from cache\n"); 
+        mCurrentMusic->SetBuffer(mMusic[filename]); 
     }
     
-    // TODO: Cache
-    
-    Buffer *buffer = new Buffer();
-    buffer->LoadFromFile(file.str(), static_cast<Sound>(-1));
-    mCurrentMusic->SetBuffer(buffer);
-    
     mCurrentMusic->SetVolume(mMusicVolume);
     mCurrentMusic->SetLoop(bRepeat);
     mCurrentMusic->Play();

src/sound/oalsound/alsound.h

@@ -40,6 +40,7 @@ class ALSound : public CSoundInterface
 
         bool Create(bool b3D);
         bool Cache(Sound, std::string);
+        bool CacheMusic(std::string);
 
         bool GetEnable();
 
@@ -91,6 +92,7 @@ class ALSound : public CSoundInterface
         ALCdevice* mDevice;
         ALCcontext* mContext;
         std::map<Sound, Buffer*> mSounds;
+        std::map<std::string, Buffer*> mMusic;
         std::map<int, Channel*> mChannels;
         Channel *mCurrentMusic;
         Math::Vector mEye;

src/sound/sound.h

@@ -178,6 +178,8 @@ class CSoundInterface
     /** Function called to add all music files to list */
     inline void AddMusicFiles(std::string path) {
         m_soundPath = path;
+        CacheMusic("sound010.ogg");
+        CacheMusic("sound011.ogg");
     };
     
     /** Function called to cache sound effect file.
@@ -188,6 +190,13 @@ class CSoundInterface
      */
     inline virtual bool Cache(Sound bSound, std::string bFile) { return true; };
 
+    /** Function called to cache music file.
+     *  This function is called by CRobotMain for each file used in the mission.
+     * \param bFile - file to load
+     * \return return true on success
+     */
+    inline virtual bool CacheMusic(std::string bFile) { return true; };
+
     /** Return if plugin is enabled
      *  \return return true if plugin is enabled
      */