add "loop" file name hint for sounds

stepmania/src/RageSound.cpp

@@ -178,6 +178,12 @@ bool RageSound::Load(CString sSoundFilePath, int precache)
 	m_sFilePath = sSoundFilePath;
 	position = 0;
 
+	
+	// Check for "loop" hint
+	if( m_sFilePath.Find("loop") != -1 )
+		SetStopMode( M_LOOP );
+
+
     SoundReader_FileReader *NewSample = new RageSoundReader_LowLevel;
 	if(!NewSample->Open(sSoundFilePath.c_str()))
 		RageException::Throw( "RageSoundManager::RageSoundManager: error opening sound '%s': '%s'",

stepmania/src/RageSoundManager.cpp

@@ -256,7 +256,7 @@ void RageSoundManager::MixAudio(Sint16 *dst, const Sint16 *src, Uint32 len, floa
 	}
 }
 
-void RageSoundManager::PlayMusic(CString file, bool loop, float start_sec, float length_sec, float fade_len)
+void RageSoundManager::PlayMusic(CString file, bool force_loop, float start_sec, float length_sec, float fade_len)
 {
 //	LOG->Trace("play '%s' (current '%s')", file.c_str(), music->GetLoadedFilePath().c_str());
 	if(music->IsPlaying())
@@ -272,8 +272,8 @@ void RageSoundManager::PlayMusic(CString file, bool loop, float start_sec, float
 		return;
 
 	music->Load( file, false );
-
-	music->SetStopMode(loop? RageSound::M_LOOP:RageSound::M_STOP);
+	if( force_loop )
+		music->SetStopMode( RageSound::M_LOOP );
 
 	if(start_sec == -1)
 		music->SetStartSeconds();

stepmania/src/RageSoundManager.h

@@ -60,7 +60,7 @@ public:
 	 * itself to this. */
 	set<RageSound *> all_sounds;
 
-	void PlayMusic(CString file, bool loop = true, float start_sec = -1, float length_sec = -1, float fade_len = 0);
+	void PlayMusic(CString file, bool force_loop = false, float start_sec = -1, float length_sec = -1, float fade_len = 0);
 	void StopMusic() { PlayMusic(""); }
 	static void MixAudio(Sint16 *dst, const Sint16 *src, Uint32 len, float volume);
 };

stepmania/src/ThemeManager.cpp

@@ -140,7 +140,7 @@ try_element_again:
 			{ "*.ini", NULL },
 			{ "*.model", "*.sprite", "*.png", "*.jpg", "*.bmp", "*.gif","*.avi", "*.mpg", "*.mpeg", NULL},
 			{ "*.png", NULL },
-			{ ".set", ".mp3", ".ogg", ".wav", NULL },
+			{ ".set", "*.mp3", "*.ogg", "*.wav", NULL },
 		};		
 		const char **asset_masks = masks[category];