1
0
mirror of https://github.com/TerryCavanagh/VVVVVV.git synced 2024-06-26 14:38:30 +02:00
VVVVVV/desktop_version/src/Music.cpp
Misa 141181dee7 Refactor extra binary blob tracks to not use STL data marshalling
Just like I refactored text splitting to no longer use std::vectors,
std::strings, or temporary heap allocations, decreasing memory usage and
improving performance; there's no reason to use a temporary
heap-allocated std::vector to grab all extra binary blob indices, when
instead the iteration can just be more immediate.

Instead, what I've done is replaced binaryBlob::getExtra() with
binaryBlob::nextExtra(), which takes in a pointer to an index variable,
and will increment the index variable until it reaches an extra track.
After the caller processes the extra track, it is the caller's
responsibility to increment the variable again before passing it back to
getExtra().

This avoids all heap allocations and brings down the memory usage of
processing extra tracks.
2021-02-19 07:07:39 -05:00

383 lines
8.1 KiB
C++

#define MUSIC_DEFINITION
#include "Music.h"
#include <SDL.h>
#include <stdio.h>
#include "BinaryBlob.h"
#include "Map.h"
#include "UtilityClass.h"
static void songend();
musicclass::musicclass()
{
safeToProcessMusic= false;
m_doFadeInVol = false;
musicVolume = MIX_MAX_VOLUME;
FadeVolAmountPerFrame = 0;
currentsong = 0;
nicechange = -1;
nicefade = false;
resumesong = 0;
quick_fade = true;
songStart = 0;
songEnd = 0;
Mix_HookMusicFinished(&songend);
usingmmmmmm = false;
}
void musicclass::init()
{
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(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"))
{
mmmmmm = false;
usingmmmmmm=false;
bool ohCrap = pppppp_blob.unPackBinary("vvvvvvmusic.vvv");
SDL_assert(ohCrap && "Music not found!");
}
else
{
mmmmmm = true;
int index;
SDL_RWops *rw;
#define FOREACH_TRACK(blob, track_name) \
index = blob.getIndex(track_name); \
if (index >= 0 && index < blob.max_headers) \
{ \
rw = SDL_RWFromMem(blob.getAddress(index), blob.getSize(index)); \
if (rw == NULL) \
{ \
printf("Unable to read music file header: %s\n", 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_RWFromMem(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!");
}
int index;
SDL_RWops *rw;
TRACK_NAMES(pppppp_blob)
#undef FOREACH_TRACK
num_pppppp_tracks += musicTracks.size() - num_mmmmmm_tracks;
size_t index_ = 0;
while (pppppp_blob.nextExtra(&index_))
{
rw = SDL_RWFromMem(pppppp_blob.getAddress(index_), pppppp_blob.getSize(index_));
musicTracks.push_back(MusicTrack( rw ));
num_pppppp_tracks++;
index_++;
}
}
static void songend()
{
extern musicclass music;
music.songEnd = SDL_GetPerformanceCounter();
music.currentsong = -1;
}
void musicclass::destroy()
{
for (size_t i = 0; i < soundTracks.size(); ++i)
{
Mix_FreeChunk(soundTracks[i].sound);
}
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
Mix_HaltMusic();
for (size_t i = 0; i < musicTracks.size(); ++i)
{
Mix_FreeMusic(musicTracks[i].m_music);
}
musicTracks.clear();
pppppp_blob.clear();
mmmmmm_blob.clear();
}
void musicclass::play(int t, const double position_sec /*= 0.0*/, const int fadein_ms /*= 3000*/)
{
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;
musicVolume = MIX_MAX_VOLUME;
if (currentsong == t && Mix_FadingMusic() != MIX_FADING_OUT)
{
return;
}
currentsong = t;
if (t == -1)
{
return;
}
if (!INBOUNDS_VEC(t, musicTracks))
{
puts("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 (Mix_FadeInMusicPos(musicTracks[t].m_music, 0, 0, position_sec) == -1)
{
printf("Mix_FadeInMusicPos: %s\n", Mix_GetError());
}
}
else
{
if (Mix_FadingMusic() == MIX_FADING_OUT)
{
// We're already fading out
nicechange = t;
nicefade = true;
currentsong = -1;
if (quick_fade)
{
Mix_FadeOutMusic(500); // fade out quicker
}
else
{
quick_fade = true;
}
}
else if (Mix_FadeInMusicPos(musicTracks[t].m_music, -1, fadein_ms, position_sec) == -1)
{
printf("Mix_FadeInMusicPos: %s\n", Mix_GetError());
}
}
songStart = SDL_GetPerformanceCounter();
}
void musicclass::resume(const int fadein_ms /*= 0*/)
{
const double offset = static_cast<double>(songEnd - songStart);
const double frequency = static_cast<double>(SDL_GetPerformanceFrequency());
const double position_sec = offset / frequency;
play(resumesong, position_sec, fadein_ms);
}
void musicclass::fadein()
{
resume(3000); // 3000 ms fadein
}
void musicclass::haltdasmusik()
{
Mix_HaltMusic();
resumesong = currentsong;
}
void musicclass::silencedasmusik()
{
musicVolume = 0;
}
void musicclass::fadeMusicVolumeIn(int ms)
{
m_doFadeInVol = true;
FadeVolAmountPerFrame = MIX_MAX_VOLUME / (ms / 33);
}
void musicclass::fadeout(const bool quick_fade_ /*= true*/)
{
Mix_FadeOutMusic(2000);
resumesong = currentsong;
quick_fade = quick_fade_;
}
void musicclass::processmusicfadein()
{
musicVolume += FadeVolAmountPerFrame;
if (musicVolume >= MIX_MAX_VOLUME)
{
m_doFadeInVol = false;
}
}
void musicclass::processmusic()
{
if(!safeToProcessMusic)
{
return;
}
if (nicefade && Mix_PlayingMusic() == 0)
{
play(nicechange);
nicechange = -1;
nicefade = false;
}
if(m_doFadeInVol)
{
processmusicfadein();
}
}
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;
}
}
void musicclass::changemusicarea(int x, int y)
{
switch(musicroom(x, y))
{
case musicroom(11, 4):
niceplay(2);
break;
case musicroom(2, 4):
case musicroom(7, 15):
niceplay(3);
break;
case musicroom(18, 1):
case musicroom(15, 0):
niceplay(12);
break;
case musicroom(0, 0):
case musicroom(0, 16):
case musicroom(2, 11):
case musicroom(7, 9):
case musicroom(8, 11):
case musicroom(13, 2):
case musicroom(17, 12):
case musicroom(14, 19):
case musicroom(17, 17):
niceplay(4);
break;
default:
niceplay(1);
break;
}
}
void musicclass::playef(int t)
{
if (!INBOUNDS_VEC(t, soundTracks))
{
return;
}
int channel;
channel = Mix_PlayChannel(-1, soundTracks[t].sound, 0);
if(channel == -1)
{
fprintf(stderr, "Unable to play WAV file: %s\n", Mix_GetError());
}
}