new map music system

1 files changed, 146 insertions, 0 deletions

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);
+}