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VVVVVV/desktop_version/src/Music.cpp

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#define MUSIC_DEFINITION
#include "Music.h"
#include <SDL.h>
#include <physfsrwops.h>
#include "BinaryBlob.h"
#include "FileSystemUtils.h"
#include "Game.h"
#include "Graphics.h"
#include "Map.h"
#include "Script.h"
#include "UtilityClass.h"
#include "Vlogging.h"
/* Begin SDL_mixer wrapper */
#include <SDL_mixer.h>
#include <vector>
#define VVV_MAX_VOLUME MIX_MAX_VOLUME
class SoundTrack
{
public:
SoundTrack(const char* fileName)
{
/* SDL_LoadWAV, convert spec to FAudioBuffer */
unsigned char *mem;
size_t length;
FILESYSTEM_loadAssetToMemory(fileName, &mem, &length, false);
if (mem == NULL)
{
m_sound = NULL;
vlog_error("Unable to load WAV file %s", fileName);
SDL_assert(0 && "WAV file missing!");
return;
}
SDL_RWops *fileIn = SDL_RWFromConstMem(mem, length);
m_sound = Mix_LoadWAV_RW(fileIn, 1);
FILESYSTEM_freeMemory(&mem);
if (m_sound == NULL)
{
vlog_error("Unable to load WAV file: %s", Mix_GetError());
}
}
void Dispose()
{
/* Destroy all track voices, SDL_free buffer from LoadWAV */
Mix_FreeChunk(m_sound);
}
void Play()
{
/* Fire-and-forget from a per-track FAudioSourceVoice pool */
if (Mix_PlayChannel(-1, m_sound, 0) == -1)
{
vlog_error("Unable to play WAV file: %s", Mix_GetError());
}
}
static void Init(int audio_rate, int audio_channels)
{
const Uint16 audio_format = AUDIO_S16SYS;
const int audio_buffers = 1024;
/* FAudioCreate, FAudio_CreateMasteringVoice */
if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers) != 0)
{
vlog_error("Unable to initialize audio: %s", Mix_GetError());
SDL_assert(0 && "Unable to initialize audio!");
}
}
static void Pause()
{
/* FAudio_StopEngine */
Mix_Pause(-1);
}
static void Resume()
{
/* FAudio_StartEngine */
Mix_Resume(-1);
}
static void SetVolume(int soundVolume)
{
/* FAudioVoice_SetVolume on all sounds. Yeah, all of them :/
* If we get desperate we can use a submix and set volume on that, but
* the submix is an extra mix stage so just loop all sounds manually...
*/
Mix_Volume(-1, soundVolume);
}
private:
Mix_Chunk *m_sound;
};
class MusicTrack
{
public:
MusicTrack(SDL_RWops *rw)
{
/* Open an stb_vorbis handle */
m_music = Mix_LoadMUS_RW(rw, 1);
if (m_music == NULL)
{
vlog_error("Unable to load Magic Binary Music file: %s", Mix_GetError());
}
}
void Dispose()
{
/* Free stb_vorbis */
Mix_FreeMusic(m_music);
}
bool Play(bool loop)
{
/* Create/Validate static FAudioSourceVoice, begin streaming */
if (Mix_PlayMusic(m_music, loop ? -1 : 0) == -1)
{
vlog_error("Mix_PlayMusic: %s", Mix_GetError());
return false;
}
return true;
}
static void Halt()
{
/* FAudioVoice_Destroy */
Mix_HaltMusic();
}
static bool IsHalted()
{
/* return musicVoice == NULL; */
return Mix_PausedMusic() == 1;
}
static void Pause()
{
/* FAudioSourceVoice_Pause */
Mix_PauseMusic();
}
static void Resume()
{
/* FAudioSourceVoice_Resume */
Mix_ResumeMusic();
}
static void SetVolume(int musicVolume)
{
/* FAudioSourceVoice_SetVolume */
Mix_VolumeMusic(musicVolume);
}
private:
Mix_Music *m_music;
};
static std::vector<SoundTrack> soundTracks;
static std::vector<MusicTrack> musicTracks;
/* End SDL_mixer wrapper */
musicclass::musicclass(void)
{
SoundTrack::Init(44100, 2);
safeToProcessMusic= false;
m_doFadeInVol = false;
m_doFadeOutVol = false;
musicVolume = 0;
user_music_volume = USER_VOLUME_MAX;
user_sound_volume = USER_VOLUME_MAX;
currentsong = 0;
nicechange = -1;
nicefade = false;
quick_fade = true;
usingmmmmmm = false;
}
void musicclass::init(void)
{
soundTracks.push_back(SoundTrack( "sounds/jump.wav" ));
soundTracks.push_back(SoundTrack( "sounds/jump2.wav" ));
soundTracks.push_back(SoundTrack( "sounds/hurt.wav" ));
soundTracks.push_back(SoundTrack( "sounds/souleyeminijingle.wav" ));
soundTracks.push_back(SoundTrack( "sounds/coin.wav" ));
soundTracks.push_back(SoundTrack( "sounds/save.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crumble.wav" ));
soundTracks.push_back(SoundTrack( "sounds/vanish.wav" ));
soundTracks.push_back(SoundTrack( "sounds/blip.wav" ));
soundTracks.push_back(SoundTrack( "sounds/preteleport.wav" ));
soundTracks.push_back(SoundTrack( "sounds/teleport.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crew1.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crew2.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crew3.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crew4.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crew5.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crew6.wav" ));
soundTracks.push_back(SoundTrack( "sounds/terminal.wav" ));
soundTracks.push_back(SoundTrack( "sounds/gamesaved.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crashing.wav" ));
soundTracks.push_back(SoundTrack( "sounds/blip2.wav" ));
soundTracks.push_back(SoundTrack( "sounds/countdown.wav" ));
soundTracks.push_back(SoundTrack( "sounds/go.wav" ));
soundTracks.push_back(SoundTrack( "sounds/crash.wav" ));
soundTracks.push_back(SoundTrack( "sounds/combine.wav" ));
soundTracks.push_back(SoundTrack( "sounds/newrecord.wav" ));
soundTracks.push_back(SoundTrack( "sounds/trophy.wav" ));
soundTracks.push_back(SoundTrack( "sounds/rescue.wav" ));
#ifdef VVV_COMPILEMUSIC
binaryBlob musicWriteBlob;
#define FOREACH_TRACK(blob, track_name) blob.AddFileToBinaryBlob("data/" track_name);
TRACK_NAMES(musicWriteBlob)
#undef FOREACH_TRACK
musicWriteBlob.writeBinaryBlob("data/BinaryMusic.vvv");
musicWriteBlob.clear();
#endif
num_mmmmmm_tracks = 0;
num_pppppp_tracks = 0;
if (!mmmmmm_blob.unPackBinary("mmmmmm.vvv"))
{
if (pppppp_blob.unPackBinary("vvvvvvmusic.vvv"))
{
vlog_info("Loading music from PPPPPP blob...");
mmmmmm = false;
usingmmmmmm=false;
int index;
SDL_RWops* rw;
#define FOREACH_TRACK(blob, track_name) \
index = blob.getIndex("data/" track_name); \
rw = SDL_RWFromMem(blob.getAddress(index), blob.getSize(index)); \
musicTracks.push_back(MusicTrack( rw ));
TRACK_NAMES(pppppp_blob)
#undef FOREACH_TRACK
}
else
{
vlog_info("Loading music from loose files...");
SDL_RWops* rw;
#define FOREACH_TRACK(_, track_name) \
rw = PHYSFSRWOPS_openRead(track_name); \
musicTracks.push_back(MusicTrack( rw ));
TRACK_NAMES(_)
#undef FOREACH_TRACK
}
}
else
{
vlog_info("Loading PPPPPP and MMMMMM blobs...");
mmmmmm = true;
int index;
SDL_RWops *rw;
#define FOREACH_TRACK(blob, track_name) \
index = blob.getIndex("data/" track_name); \
if (index >= 0 && index < blob.max_headers) \
{ \
rw = SDL_RWFromConstMem(blob.getAddress(index), blob.getSize(index)); \
if (rw == NULL) \
{ \
vlog_error("Unable to read music file header: %s", SDL_GetError()); \
} \
else \
{ \
musicTracks.push_back(MusicTrack( rw )); \
} \
}
TRACK_NAMES(mmmmmm_blob)
num_mmmmmm_tracks += musicTracks.size();
size_t index_ = 0;
while (mmmmmm_blob.nextExtra(&index_))
{
rw = SDL_RWFromConstMem(mmmmmm_blob.getAddress(index_), mmmmmm_blob.getSize(index_));
musicTracks.push_back(MusicTrack( rw ));
num_mmmmmm_tracks++;
index_++;
}
bool ohCrap = pppppp_blob.unPackBinary("vvvvvvmusic.vvv");
SDL_assert(ohCrap && "Music not found!");
TRACK_NAMES(pppppp_blob)
#undef FOREACH_TRACK
}
num_pppppp_tracks += musicTracks.size() - num_mmmmmm_tracks;
SDL_RWops* rw;
size_t index_ = 0;
while (pppppp_blob.nextExtra(&index_))
{
rw = SDL_RWFromConstMem(pppppp_blob.getAddress(index_), pppppp_blob.getSize(index_));
musicTracks.push_back(MusicTrack( rw ));
num_pppppp_tracks++;
index_++;
}
}
void musicclass::destroy(void)
{
for (size_t i = 0; i < soundTracks.size(); ++i)
{
soundTracks[i].Dispose();
}
soundTracks.clear();
// Before we free all the music: stop playing music, else SDL2_mixer
// will call SDL_Delay() if we are fading, resulting in no-draw frames
MusicTrack::Halt();
for (size_t i = 0; i < musicTracks.size(); ++i)
{
musicTracks[i].Dispose();
}
musicTracks.clear();
pppppp_blob.clear();
mmmmmm_blob.clear();
}
void musicclass::play(int t)
{
if (mmmmmm && usingmmmmmm)
{
// Don't conjoin this if-statement with the above one...
if (num_mmmmmm_tracks > 0)
{
t %= num_mmmmmm_tracks;
}
}
else if (num_pppppp_tracks > 0)
{
t %= num_pppppp_tracks;
}
if (mmmmmm && !usingmmmmmm)
{
t += num_mmmmmm_tracks;
}
safeToProcessMusic = true;
if (currentsong == t && !m_doFadeOutVol)
{
return;
}
currentsong = t;
if (t == -1)
{
return;
}
if (!INBOUNDS_VEC(t, musicTracks))
{
vlog_error("play() out-of-bounds!");
currentsong = -1;
return;
}
if (currentsong == 0 || currentsong == 7 || (!map.custommode && (currentsong == 0+num_mmmmmm_tracks || currentsong == 7+num_mmmmmm_tracks)))
{
// Level Complete theme, no fade in or repeat
if (musicTracks[t].Play(false))
{
m_doFadeInVol = false;
m_doFadeOutVol = false;
musicVolume = VVV_MAX_VOLUME;
MusicTrack::SetVolume(musicVolume);
}
}
else
{
if (m_doFadeOutVol)
{
// We're already fading out
nicechange = t;
nicefade = true;
currentsong = -1;
if (quick_fade)
{
fadeMusicVolumeOut(500); // fade out quicker
}
else
{
quick_fade = true;
}
}
else if (musicTracks[t].Play(true))
{
m_doFadeInVol = false;
m_doFadeOutVol = false;
fadeMusicVolumeIn(3000);
}
}
}
void musicclass::resume()
{
MusicTrack::Resume();
}
void musicclass::resumefade(const int fadein_ms)
{
resume();
fadeMusicVolumeIn(fadein_ms);
}
void musicclass::fadein(void)
{
resumefade(3000); // 3000 ms fadein
}
void musicclass::pause(void)
{
MusicTrack::Pause();
}
void musicclass::haltdasmusik(void)
{
/* Just pauses music. This is intended. */
pause();
currentsong = -1;
m_doFadeInVol = false;
m_doFadeOutVol = false;
}
void musicclass::silencedasmusik(void)
{
musicVolume = 0;
m_doFadeInVol = false;
m_doFadeOutVol = false;
}
struct FadeState
{
int start_volume;
int end_volume;
int duration_ms;
int step_ms;
};
static struct FadeState fade;
enum FadeCode
{
Fade_continue,
Fade_finished
};
static enum FadeCode processmusicfade(struct FadeState* state, int* volume)
{
int range;
int new_volume;
if (state->duration_ms == 0 /* Fast path. */
|| state->start_volume == state->end_volume /* Fast path. */
|| state->step_ms >= state->duration_ms /* We're finished. */)
{
*volume = state->end_volume;
state->step_ms = 0;
return Fade_finished;
}
range = state->end_volume - state->start_volume;
new_volume = range * state->step_ms / state->duration_ms;
new_volume += state->start_volume;
*volume = new_volume;
state->step_ms += game.get_timestep();
return Fade_continue;
}
void musicclass::fadeMusicVolumeIn(int ms)
{
if (halted())
{
return;
}
m_doFadeInVol = true;
m_doFadeOutVol = false;
/* Ensure it starts at 0 */
musicVolume = 0;
/* Fix 1-frame glitch */
MusicTrack::SetVolume(0);
fade.step_ms = 0;
fade.duration_ms = ms;
fade.start_volume = 0;
fade.end_volume = VVV_MAX_VOLUME;
}
void musicclass::fadeMusicVolumeOut(const int fadeout_ms)
{
if (halted())
{
return;
}
m_doFadeInVol = false;
m_doFadeOutVol = true;
fade.step_ms = 0;
/* Duration is proportional to current volume. */
fade.duration_ms = fadeout_ms * musicVolume / VVV_MAX_VOLUME;
fade.start_volume = musicVolume;
fade.end_volume = 0;
}
void musicclass::fadeout(const bool quick_fade_ /*= true*/)
{
fadeMusicVolumeOut(quick_fade_ ? 500 : 2000);
quick_fade = quick_fade_;
}
void musicclass::processmusicfadein(void)
{
enum FadeCode fade_code = processmusicfade(&fade, &musicVolume);
if (fade_code == Fade_finished)
{
m_doFadeInVol = false;
}
}
void musicclass::processmusicfadeout(void)
{
enum FadeCode fade_code = processmusicfade(&fade, &musicVolume);
if (fade_code == Fade_finished)
{
musicVolume = 0;
m_doFadeOutVol = false;
haltdasmusik();
}
}
void musicclass::processmusic(void)
{
if(!safeToProcessMusic)
{
return;
}
if(m_doFadeInVol)
{
processmusicfadein();
}
if (m_doFadeOutVol)
{
processmusicfadeout();
}
/* This needs to come after processing fades */
if (nicefade && halted())
{
play(nicechange);
nicechange = -1;
nicefade = false;
}
}
void musicclass::niceplay(int t)
{
/* important: do nothing if the correct song is playing! */
if ((!mmmmmm && currentsong != t)
|| (mmmmmm && usingmmmmmm && currentsong != t)
|| (mmmmmm && !usingmmmmmm && currentsong != t + num_mmmmmm_tracks))
{
if (currentsong != -1)
{
fadeout(false);
}
nicefade = true;
}
nicechange = t;
}
static const int areamap[] = {
4, 3, 3, 3, 3, 3, 3, 3, 4,-2, 4, 4, 4,12,12,12,12,12,12,12,
4, 3, 3, 3, 3, 3, 3, 4, 4,-2, 4, 4, 4, 4,12,12,12,12,12,12,
4, 4, 4, 4, 3, 4, 4, 4, 4,-2, 4, 4, 4, 4,12,12,12,12,12,12,
4, 4, 4, 4, 3, 4, 4, 4, 4,-2, 4, 4, 1, 1, 1, 1,12,12,12,12,
4, 4, 3, 3, 3, 4, 4, 4, 4,-2,-2,-2, 1, 1, 1, 1, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 1, 1, 1, 1, 1, 1,11,11,-1, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 1, 1, 1, 1, 1, 1, 1,11,11,11,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 1, 1, 1, 1, 1, 1, 1, 1, 1,11,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 4, 4, 4, 1, 1, 1, 1, 1, 1, 3,
4, 4, 4, 4, 4, 4, 4, 4,-2,-2, 4, 4, 4, 1, 1, 1, 1, 1, 1, 4,
4, 4,-1,-1,-1, 4, 4, 4, 4,-2, 4, 4, 4, 1, 1, 1, 1, 1, 1, 4,
4, 4,-1,-1,-1, 4, 4, 4, 4,-2, 4, 1, 1, 1, 1, 1, 1, 1, 1, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 4, 1, 1, 1, 1, 1, 1, 4, 1, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 4, 1, 1, 1, 1, 1, 1, 4, 1, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,-2, 4,-1,-3, 4, 4, 4, 4, 4, 1, 4,
4, 4, 4, 4, 4, 3, 3, 3, 4,-2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 3, 3, 3, 3, 3, 3, 4,-2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 3, 3, 3, 3, 3, 3, 3, 4,-2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
3, 3, 3, 3, 3, 4, 4, 3, 4,-2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
3, 3, 3, 3, 3, 4, 4, 3, 4,-2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4
};
SDL_COMPILE_TIME_ASSERT(areamap, SDL_arraysize(areamap) == 20 * 20);
void musicclass::changemusicarea(int x, int y)
{
int room;
int track;
if (script.running)
{
return;
}
room = musicroom(x, y);
if (!INBOUNDS_ARR(room, areamap))
{
SDL_assert(0 && "Music map index out-of-bounds!");
return;
}
track = areamap[room];
switch (track)
{
case -1:
/* Don't change music. */
return;
case -2:
/* Special case: Tower music, changes with Flip Mode. */
if (graphics.setflipmode)
{
track = 9; /* ecroF evitisoP */
}
else
{
track = 2; /* Positive Force */
}
break;
case -3:
/* Special case: start of Space Station 2. */
if (game.intimetrial)
{
track = 1; /* Pushing Onwards */
}
else
{
track = 4; /* Passion for Exploring */
}
break;
}
niceplay(track);
}
void musicclass::playef(int t)
{
if (!INBOUNDS_VEC(t, soundTracks))
{
return;
}
soundTracks[t].Play();
}
void musicclass::pauseef(void)
{
SoundTrack::Pause();
}
void musicclass::resumeef(void)
{
SoundTrack::Resume();
}
bool musicclass::halted(void)
{
return MusicTrack::IsHalted();
}
void musicclass::updatemutestate(void)
{
if (game.muted)
{
MusicTrack::SetVolume(0);
SoundTrack::SetVolume(0);
}
else
{
SoundTrack::SetVolume(VVV_MAX_VOLUME * user_sound_volume / USER_VOLUME_MAX);
if (game.musicmuted)
{
MusicTrack::SetVolume(0);
}
else
{
MusicTrack::SetVolume(musicVolume * user_music_volume / USER_VOLUME_MAX);
}
}
}
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