new map music system

5 files changed, 174 insertions, 62 deletions

diff --git a/src/koopatlas/core.cpp b/src/koopatlas/core.cpp
index 5734300..89f315a 100644
--- a/src/koopatlas/core.cpp
+++ b/src/koopatlas/core.cpp
@@ -194,7 +194,7 @@ bool WMInit_LoadResources2(void *ptr) {
 	}
 
 	if (wm->mapData.load(wm->mapPath)) {
-		wm->playBGM();
+		dKPMusic::play(GetSaveFile()->GetBlock(-1)->currentMapMusic);
 		return true;
 	} else
 		return false;
@@ -421,52 +421,9 @@ int dScKoopatlas_c::onCreate() {
 
 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, 16, 8, &realStreamID);
-	OSReport("Real Stream ID: %d\n", realStreamID);
-	PlaySoundWithFunctionB4(SoundRelatedClass, &bgm, realStreamID, 1);
-
-	currentBGMTrack = GetSaveFile()->GetBlock(-1)->currentMapMusic;
-	OSReport("Enabling track %d by setting bitfield 0x%x to volume 1.0f and bitfield 0x%x to volume 0.0f; both over 0 frames\n", currentBGMTrack, 1 << currentBGMTrack, 0xFF ^ (1 << currentBGMTrack));
-	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;
-
-	OSReport("Enabling track %d and disabling track %d by setting bitfield 0x%x to volume 1.0f and bitfield 0x%x to volume 0.0f; both over 30 frames\n", trackID, currentBGMTrack, 1 << trackID, 1 << currentBGMTrack);
-	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(0);
+	if (!keepMusicPlaying)
+		dKPMusic::stop();
 
 	FreeScene(0);
 	FreeScene(1);
@@ -506,6 +463,7 @@ bool dScKoopatlas_c::mapIsRunning() {
 
 
 int dScKoopatlas_c::onExecute() {
+	dKPMusic::execute();
 	if (!canDoStuff()) return true;
 
 	//SpammyReport("Executing state: %s\n", state.getCurrentState()->getName());
diff --git a/src/koopatlas/core.h b/src/koopatlas/core.h
index 3f795cc..2333c1a 100644
--- a/src/koopatlas/core.h
+++ b/src/koopatlas/core.h
@@ -16,6 +16,7 @@
 #include "koopatlas/starcoin.h"
 #include "koopatlas/hud.h"
 #include "koopatlas/pathmanager.h"
+#include "koopatlas/mapmusic.h"
 
 #define WM_DEBUGGING
 //#define WM_SPAMMY_DEBUGGING
@@ -117,8 +118,6 @@ class dScKoopatlas_c : public dScene_c {
 		const char *getMapNameForIndex(int index);
 		int getIndexForMapName(const char *name);
 
-		nw4r::snd::StrmSoundHandle bgm;
-
 		void startLevel(dLevelInfo_c::entry_s *level);
 
 		bool canDoStuff();
@@ -126,9 +125,7 @@ class dScKoopatlas_c : public dScene_c {
 
 		void showSaveWindow();
 
-		void playBGM();
-		void setBGMTrack(int trackID);
-		int currentBGMTrack;
+		bool keepMusicPlaying;
 };
 
 extern void *_8042A788;
diff --git a/src/koopatlas/mapmusic.cpp b/src/koopatlas/mapmusic.cpp
new file mode 100644
index 0000000..1ccd775
--- /dev/null
+++ b/src/koopatlas/mapmusic.cpp
@@ -0,0 +1,146 @@
+#include <game.h>
+#include "koopatlas/mapmusic.h"
+#include "music.h"
+
+extern "C" void PlaySoundWithFunctionB4(void *spc, nw4r::snd::SoundHandle *handle, int id, int unk);
+
+static nw4r::snd::StrmSoundHandle s_handle;
+static bool s_playing = false;
+static int s_song = -1;
+static int s_nextSong = -1;
+
+static int s_countdownToSwitch = -1;
+static int s_countdownToFadeIn = -1;
+
+static dDvdLoader_c s_adpcmInfoLoader;
+static bool s_adpcmInfoLoaded = false;
+
+#define FADE_OUT_LEN 30
+#define FADE_IN_LEN 30
+#define BUFFER_CLEAR_DELAY 60
+
+u8 hijackMusicWithSongName(const char *songName, int themeID, bool hasFast, int channelCount, int trackCount, int *wantRealStreamID);
+
+void dKPMusic::play(int id) {
+	if (s_playing) {
+		// Switch track
+		OSReport("Trying to switch to song %d (Current one is %d)...\n", id, s_song);
+		if (s_song == id || s_nextSong == id)
+			return;
+		if (s_countdownToSwitch >= 0 || s_countdownToFadeIn >= 0)
+			return;
+		OSReport("Will switch; Fading out current track 2 over %d frames\n", FADE_OUT_LEN);
+
+		s_handle.SetTrackVolume(1<<1, FADE_OUT_LEN, 0.0f);
+		s_nextSong = id;
+		s_countdownToSwitch = FADE_OUT_LEN;
+
+	} else {
+		// New track
+		OSReport("Playing song %d from the start.\n", id);
+
+		int realStreamID;
+		char brstmName[8];
+		sprintf(brstmName, "map%d", id);
+		hijackMusicWithSongName(brstmName, -1, false, 4, 2, &realStreamID);
+
+		PlaySoundWithFunctionB4(SoundRelatedClass, &s_handle, realStreamID, 1);
+
+		s_playing = true;
+		s_song = id;
+	}
+}
+
+// crap.
+#include "fileload.h"
+
+extern "C" void DVDCancel(void *crap);
+
+extern "C" void AxVoice_SetADPCM(void *axVoice, void *adpcm);
+extern "C" void Voice_SetADPCMLoop(void *voice, int channel, void *adpcmLoop);
+
+void dKPMusic::execute() {
+	if (!s_adpcmInfoLoaded) {
+		if (s_adpcmInfoLoader.load("/NewerRes/MapADPCMInfo.bin"))
+			s_adpcmInfoLoaded = true;
+	}
+
+	if (!s_playing)
+		return;
+
+	if (s_countdownToSwitch >= 0) {
+		s_countdownToSwitch--;
+		if (s_countdownToSwitch == 0) {
+			OSReport("Switching brstm files to song %d.\n", s_nextSong);
+
+			s_countdownToFadeIn = BUFFER_CLEAR_DELAY;
+
+			char brstmPath[48];
+			sprintf(brstmPath, "/Sound/new/map%d.er", s_nextSong);
+
+			u8 *sound = (u8*)(s_handle.GetSound());
+			u8 *player = sound+0x110;
+			u8 **fileStreamPointer = (u8**)(player+0x808);
+			u8 *fileStream = *fileStreamPointer;
+			DVDHandle *fileInfo = (DVDHandle*)(fileStream+0x28);
+			DVDCancel(fileInfo);
+			bool result = DVDFastOpen(DVDConvertPathToEntrynum(brstmPath), fileInfo);
+
+			OSReport("StrmSound is at %p, StrmPlayer is at %p, FileStream pointer is at %p, FileStream is at %p, FileInfo is at %p\n", sound, player, fileStreamPointer, fileStream, fileInfo);
+			OSReport("Changed to name %s. FastOpen returned: %d\n", brstmPath, result);
+
+			u8 *trackArray = player+0xB58;
+			u8 *track = (trackArray + (0x38 * 1));
+			u8 **voicePointer = (u8**)(track+4);
+			u8 *voice = *voicePointer;
+			OSReport("Track Array: %p; Track: %p; Voice Pointer: %p; Voice: %p\n", trackArray, track, voicePointer, voice);
+
+			for (int i = 0; i < 2; i++) {
+				int sourceBlockID = (s_nextSong*2)+i;
+				u8 *sourceData = ((u8*)(s_adpcmInfoLoader.buffer)) + (0x30*sourceBlockID);
+				OSReport("Using ADPCM data for channel %d from block %d, data at %p\n", i, sourceBlockID, sourceData);
+
+				Voice_SetADPCMLoop(voice, i, sourceData+0x28);
+
+				// loop through all axVoices
+				for (int j = 0; j < 4; j++) {
+					int axVoiceID = (i*4) + j;
+					u8 **axVoicePointer = (u8**)(voice + 0xC + (axVoiceID*4));
+					u8 *axVoice = *axVoicePointer;
+					OSReport("Setting AxVoice ID %d, with pointer at %p, located at %p\n", axVoiceID, axVoicePointer, axVoice);
+
+					if (axVoice)
+						AxVoice_SetADPCM(axVoice, sourceData);
+				}
+			}
+
+			OSReport("All done\n");
+
+			s_song = s_nextSong;
+			s_nextSong = -1;
+		}
+
+	} else if (s_countdownToFadeIn >= 0) {
+		s_countdownToFadeIn--;
+		if (s_countdownToFadeIn == 0) {
+			OSReport("Going to fade in the second track now!\n");
+			s_handle.SetTrackVolume(1<<1, FADE_IN_LEN, 1.0f);
+		}
+	}
+}
+
+void dKPMusic::stop() {
+	if (!s_playing)
+		return;
+
+	OSReport("Stopping song\n");
+
+	s_playing = false;
+	s_song = -1;
+	s_nextSong = -1;
+	s_countdownToSwitch = -1;
+	s_countdownToFadeIn = -1;
+
+	if (s_handle.Exists())
+		s_handle.Stop(30);
+}
diff --git a/src/koopatlas/mapmusic.h b/src/koopatlas/mapmusic.h
new file mode 100644
index 0000000..785f870
--- /dev/null
+++ b/src/koopatlas/mapmusic.h
@@ -0,0 +1,11 @@
+#ifndef MAPMUSIC_H
+#define MAPMUSIC_H 
+
+class dKPMusic {
+	public:
+		static void play(int id);
+		static void execute();
+		static void stop();
+};
+
+#endif /* MAPMUSIC_H */
diff --git a/src/koopatlas/pathmanager.cpp b/src/koopatlas/pathmanager.cpp
index 002b400..cf0bd05 100644
--- a/src/koopatlas/pathmanager.cpp
+++ b/src/koopatlas/pathmanager.cpp
@@ -29,11 +29,6 @@ void dWMPathManager_c::setup() {
 	levelStartWait = -1;
 	unlockPaths();
 
-	if (!countdownToFadeIn)
-		waitAtStart = 50;
-	else
-		waitAtStart = -1;
-
 	waitForAfterDeathAnim = -1;
 	mustPlayAfterDeathAnim = false;
 	if (LastPowerupStoreType == LOSE_LEVEL) {
@@ -112,7 +107,13 @@ void dWMPathManager_c::setup() {
 			mustComplainToMapCreator = true;
 		}
 
+		waitAtStart = -1;
 	} else {
+		if (!countdownToFadeIn)
+			waitAtStart = 50;
+		else
+			waitAtStart = -1;
+
 		SpammyReport("saved path node: %d\n", save->current_path_node);
 		if (save->current_path_node >= pathLayer->nodeCount) {
 			SpammyReport("out of bounds (%d), using node 0\n", pathLayer->nodeCount);
@@ -232,7 +233,6 @@ void dWMPathManager_c::unlockPaths() {
 
 		if (node->type == node->LEVEL && node->isUnlocked() && node->levelNumber[1] != 99) {
 			save->completions[node->levelNumber[0]-1][node->levelNumber[1]-1] |= COND_UNLOCKED;
-			OSReport("beets: %d-%d\n", node->levelNumber[0], node->levelNumber[1]);
 		}
 	}
 
@@ -735,10 +735,12 @@ void dWMPathManager_c::moveThroughPath() {
 				if (visiblyChange && dWMHud_c::instance)
 					dWMHud_c::instance->showFooter();
 
-				dScKoopatlas_c::instance->setBGMTrack(world->trackID);
+				dKPMusic::play(world->trackID);
 
 			} else if (to->worldID == 0) {
 				OSReport("No world\n");
+				save->currentMapMusic = 0;
+				dKPMusic::play(0);
 				save->newerWorldName[0] = 0;
 				if (dWMHud_c::instance)
 					dWMHud_c::instance->hideFooter();
@@ -765,6 +767,7 @@ void dWMPathManager_c::moveThroughPath() {
 
 			SpammyReport("Change to map ID %d (%s), entrance ID %d\n", save->current_world, to->destMap, to->foreignID);
 
+			dScKoopatlas_c::instance->keepMusicPlaying = true;
 			ActivateWipe(to->transition);
 			DoSceneChange(WORLD_MAP, 0x10000000 | (to->foreignID << 20), 0);
 
@@ -828,10 +831,7 @@ void dWMPathManager_c::activatePoint() {
 		levelStartWait = 40;
 		enteredLevel = dLevelInfo_c::s_info.searchBySlot(w, l);
 
-		if (dScKoopatlas_c::instance->bgm.Exists()) {
-			dScKoopatlas_c::instance->bgm.Stop(50);
-			dScKoopatlas_c::instance->bgm.DetachSound();
-		}
+		dKPMusic::stop();
 	}
 }