MOHAWK: Add a Riven specific sound manager

- Add ambient sound fading
- Fix ambient sound volume to use the list-level volume

1 files changed, 4 insertions, 2 deletions

diff --git a/engines/mohawk/riven.cpp b/engines/mohawk/riven.cpp
index 054b6ca6bc..b7c83c0ff8 100644
--- a/engines/mohawk/riven.cpp
+++ b/engines/mohawk/riven.cpp
@@ -34,8 +34,8 @@
 #include "mohawk/riven_external.h"
 #include "mohawk/riven_graphics.h"
 #include "mohawk/riven_saveload.h"
+#include "mohawk/riven_sound.h"
 #include "mohawk/dialogs.h"
-#include "mohawk/sound.h"
 #include "mohawk/video.h"
 #include "mohawk/console.h"
 
@@ -125,7 +125,7 @@ Common::Error MohawkEngine_Riven::run() {
 		SearchMan.add("arcriven.z", &_installerArchive, 0, false);
 
 	_gfx = new RivenGraphics(this);
-	_sound = new Sound(this);
+	_sound = new RivenSoundManager(this);
 	_console = new RivenConsole(this);
 	_saveLoad = new RivenSaveLoad(this, _saveFileMan);
 	_externalScriptHandler = new RivenExternal(this);
@@ -202,6 +202,7 @@ Common::Error MohawkEngine_Riven::run() {
 void MohawkEngine_Riven::handleEvents() {
 	// Update background running things
 	checkTimer();
+	_sound->updateSLST();
 	bool needsUpdate = _gfx->runScheduledWaterEffects();
 	needsUpdate |= _video->updateMovies();
 
@@ -713,6 +714,7 @@ void MohawkEngine_Riven::delayAndUpdate(uint32 ms) {
 	uint32 startTime = _system->getMillis();
 
 	while (_system->getMillis() < startTime + ms && !shouldQuit()) {
+		_sound->updateSLST();
 		bool needsUpdate = _gfx->runScheduledWaterEffects();
 		needsUpdate |= _video->updateMovies();