SAGA: Add wrappers for queuing music events

5 files changed, 25 insertions, 29 deletions

diff --git a/engines/saga/events.cpp b/engines/saga/events.cpp
index 013b019c9f..b7c3fa4d6e 100644
--- a/engines/saga/events.cpp
+++ b/engines/saga/events.cpp
@@ -583,6 +583,18 @@ EventColumns *Events::chain(EventColumns *eventColumns, const Event &event) {
 	return eventColumns;
 }
 
+EventColumns *Events::chainMusic(EventColumns *eventColumns, long musicId, bool loop, long time) {
+	Event event;
+
+	event.type = kEvTOneshot;
+	event.code = kMusicEvent;
+	event.param = musicId;
+	event.param2 = loop ? MUSIC_NORMAL : MUSIC_LOOP;
+	event.op = kEventPlay;
+	event.time = time;
+	return chain(eventColumns, event);
+}
+
 void Events::initializeEvent(Event &event) {
 	switch (event.type) {
 	case kEvTOneshot:
diff --git a/engines/saga/events.h b/engines/saga/events.h
index 6c423abb8c..84a62f5a3a 100644
--- a/engines/saga/events.h
+++ b/engines/saga/events.h
@@ -172,9 +172,18 @@ class Events {
 		return chain(NULL, event);
 	}
 
+	// Schedules a music event in the event list; returns a pointer to the scheduled
+	// event columns suitable for chaining if desired.
+	EventColumns *queueMusic(long musicId, bool loop = false, long time = 0) {
+		return chainMusic(NULL, musicId, loop, time);
+	}
+
 	// Places a 'event' on the end of an event columns given by 'eventColumns'
 	EventColumns *chain(EventColumns *eventColumns, const Event &event);
 
+	// Places a music 'event' on the end of an event columns given by 'eventColumns'
+	EventColumns *chainMusic(EventColumns *eventColumns, long musicId, bool loop = false, long time = 0);
+
  private:
 	int handleContinuous(Event *event);
 	int handleOneShot(Event *event);
diff --git a/engines/saga/introproc_ite.cpp b/engines/saga/introproc_ite.cpp
index 33c757297f..ded1d1cd0e 100644
--- a/engines/saga/introproc_ite.cpp
+++ b/engines/saga/introproc_ite.cpp
@@ -365,13 +365,7 @@ int Scene::ITEIntroAnimProc(int param) {
 		_vm->_events->chain(eventColumns, event);
 
 		// Queue intro music playback
-		event.type = kEvTOneshot;
-		event.code = kMusicEvent;
-		event.param = MUSIC_INTRO;
-		event.param2 = MUSIC_LOOP;
-		event.op = kEventPlay;
-		event.time = 0;
-		_vm->_events->chain(eventColumns, event);
+		_vm->_events->chainMusic(eventColumns, MUSIC_INTRO, true);
 		}
 		break;
 	case SCENE_END:
@@ -868,13 +862,7 @@ int Scene::ITEIntroValleyProc(int param) {
 		// Begin ITE title theme music
 		_vm->_music->stop();
 
-		event.type = kEvTOneshot;
-		event.code = kMusicEvent;
-		event.param = MUSIC_TITLE_THEME;
-		event.param2 = MUSIC_NORMAL;
-		event.op = kEventPlay;
-		event.time = 0;
-		_vm->_events->chain(eventColumns, event);
+		_vm->_events->chainMusic(eventColumns, MUSIC_TITLE_THEME);
 
 		// Pause animation before logo
 		event.type = kEvTOneshot;
diff --git a/engines/saga/scene.cpp b/engines/saga/scene.cpp
index e94effee07..f19645dd99 100644
--- a/engines/saga/scene.cpp
+++ b/engines/saga/scene.cpp
@@ -789,13 +789,7 @@ void Scene::loadScene(LoadSceneParams &loadSceneParams) {
 
 		if (_vm->getGameId() == GID_ITE) {
 			if (_sceneDescription.musicResourceId >= 0) {
-				event.type = kEvTOneshot;
-				event.code = kMusicEvent;
-				event.param = _sceneDescription.musicResourceId;
-				event.param2 = MUSIC_NORMAL;
-				event.op = kEventPlay;
-				event.time = 0;
-				_vm->_events->queue(event);
+				_vm->_events->queueMusic(_sceneDescription.musicResourceId);
 			} else {
 				event.type = kEvTOneshot;
 				event.code = kMusicEvent;
diff --git a/engines/saga/sfuncs_ihnm.cpp b/engines/saga/sfuncs_ihnm.cpp
index 6957360942..e3e3c1ca11 100644
--- a/engines/saga/sfuncs_ihnm.cpp
+++ b/engines/saga/sfuncs_ihnm.cpp
@@ -421,14 +421,7 @@ void Script::sfQueueMusic(SCRIPTFUNC_PARAMS) {
 		warning("sfQueueMusic: Wrong song number (%d > %d)", param1, _vm->_music->_songTable.size() - 1);
 	} else {
 		_vm->_music->setVolume(_vm->_musicVolume, 1);
-		event.type = kEvTOneshot;
-		event.code = kMusicEvent;
-		event.param = _vm->_music->_songTable[param1];
-		event.param2 = param2 ? MUSIC_LOOP : MUSIC_NORMAL;
-		event.op = kEventPlay;
-		event.time = _vm->ticksToMSec(1000);
-
-		_vm->_events->queue(event);
+		_vm->_events->queueMusic(_vm->_music->_songTable[param1], param2, _vm->ticksToMSec(1000));
 
 		if (!_vm->_scene->haveChapterPointsChanged()) {
 			_vm->_scene->setCurrentMusicTrack(param1);