Add 8 sound channel support for HE games

-Allows sound looping to work

Added support for WAVE format musuc used in later HE100 games.

svn-id: r17372

2 files changed, 17 insertions, 1 deletions

diff --git a/sound/mixer.cpp b/sound/mixer.cpp
index 1785f937ae..f9f0e32316 100644
--- a/sound/mixer.cpp
+++ b/sound/mixer.cpp
@@ -367,6 +367,14 @@ bool SoundMixer::isSoundIDActive(int id) {
 	return false;
 }
 
+int SoundMixer::getActiveChannelSoundID(SoundHandle handle) {
+	Common::StackLock lock(_mutex);
+	const int index = handle._val % NUM_CHANNELS;
+	if (_channels[index])
+		return _channels[index]->getId();
+	return 0;
+}
+
 bool SoundMixer::isSoundHandleActive(SoundHandle handle) {
 	Common::StackLock lock(_mutex);
 	const int index = handle._val % NUM_CHANNELS;
diff --git a/sound/mixer.h b/sound/mixer.h
index 48aea32e49..6b888af247 100644
--- a/sound/mixer.h
+++ b/sound/mixer.h
@@ -205,9 +205,17 @@ public:
 	bool isSoundIDActive(int id);
 
 	/**
+	 * Get the sound ID of handle sound
+	 *
+	 * @param handle sound to query
+	 * @return sound ID if active
+	 */
+	int getActiveChannelSoundID(SoundHandle handle);
+
+	/**
 	 * Check if a sound with the given hANDLE is active.
 	 *
-	 * @param handle the sound to query
+	 * @param handle sound to query
 	 * @return true if the sound is active
 	 */
 	bool isSoundHandleActive(SoundHandle handle);