1 files changed, 51 insertions, 1 deletions

diff --git a/src/koopatlas/core.cpp b/src/koopatlas/core.cpp
index b635ba0..252d9a6 100644
--- a/src/koopatlas/core.cpp
+++ b/src/koopatlas/core.cpp
@@ -68,7 +68,7 @@ ChainedFunc initFunctions[] = {
 };
 
 dScKoopatlas_c::dScKoopatlas_c() : state(this) {
-	initChain.setup(initFunctions, 8);
+	initChain.setup(initFunctions, 9);
 
 	setInitChain(initChain);
 }
@@ -292,6 +292,9 @@ bool WMInit_SetupWipe(void *ptr) {
 	}
 
 	SpammyReport("WMInit_SetupWipe returning true\n");
+
+	wm->playBGM();
+
 	return true;
 }
 
@@ -404,7 +407,54 @@ int dScKoopatlas_c::onCreate() {
 	return true;
 }
 
+u8 hijackMusicWithSongName(const char *songName, int themeID, bool hasFast, bool useDrums, int *wantRealStreamID);
+extern "C" void PlaySoundWithFunctionB4(void *spc, nw4r::snd::SoundHandle *handle, int id, int unk);
+
+void dScKoopatlas_c::playBGM() {
+	char cleanName[40];
+	// find the end
+	const char *mapPathEnd = mapPath;
+	while (*mapPathEnd)
+		mapPathEnd++;
+
+	// it now points to the zero
+	const char *findSlash = mapPathEnd;
+	while (findSlash > mapPath && *findSlash != '/')
+		findSlash--;
+
+	// it now points to the slash
+	strcpy(cleanName, "Map_");
+	strncpy(&cleanName[4], findSlash+1, 36);
+
+	// nuke everything up to the point
+	for (int i = 4; i < 40; i++)
+		if (cleanName[i] == '.')
+			cleanName[i] = 0;
+
+	int realStreamID;
+	OSReport("I'm going to play %s!\n", cleanName);
+	hijackMusicWithSongName(cleanName, -1, false, false, &realStreamID);
+	OSReport("Real Stream ID: %d\n", realStreamID);
+	PlaySoundWithFunctionB4(SoundRelatedClass, &bgm, realStreamID, 1);
+
+	currentBGMTrack = GetSaveFile()->GetBlock(-1)->currentMapMusic;
+	bgm.SetTrackVolume(0xFF ^ (1 << currentBGMTrack), 0, 0.0f);
+	bgm.SetTrackVolume(1 << currentBGMTrack, 0, 1.0f);
+}
+
+void dScKoopatlas_c::setBGMTrack(int trackID) {
+	if (currentBGMTrack == trackID)
+		return;
+
+	bgm.SetTrackVolume(1 << currentBGMTrack, 30, 0.0f);
+	bgm.SetTrackVolume(1 << trackID, 30, 1.0f);
+	currentBGMTrack = trackID;
+}
+
 int dScKoopatlas_c::onDelete() {
+	if (bgm.Exists())
+		bgm.Stop(5);
+
 	FreeScene(0);
 	FreeScene(1);