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violat jail_audio amb JA_CrossfadeMusic i globals a structs

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fix: fade_initial_volume
This commit is contained in:
Sergio
2026-04-12 17:12:52 +02:00
parent a5148f5ed5
commit 4da00d81c2
5 changed files with 138 additions and 44 deletions
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129
source/core/audio/jail_audio.hpp
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@@ -66,33 +66,61 @@ inline bool JA_musicEnabled{true};
inline bool JA_soundEnabled{true};
inline SDL_AudioDeviceID sdlAudioDevice{0};
inline bool fading{false};
inline int fade_start_time{0};
inline int fade_duration{0};
inline float fade_initial_volume{0.0f}; // Corregido de 'int' a 'float'
// --- Crossfade / Fade State ---
struct JA_FadeState {
bool active{false};
Uint64 start_time{0};
int duration_ms{0};
float initial_volume{0.0f};
};
struct JA_OutgoingMusic {
SDL_AudioStream* stream{nullptr};
JA_FadeState fade;
};
inline JA_OutgoingMusic outgoing_music;
inline JA_FadeState incoming_fade;
// --- Forward Declarations ---
inline void JA_StopMusic();
inline void JA_StopChannel(const int channel);
inline int JA_PlaySoundOnChannel(JA_Sound_t* sound, const int channel, const int loop = 0, const int group = 0);
inline void JA_CrossfadeMusic(JA_Music_t* music, int crossfade_ms, int loop = -1);
// --- Core Functions ---
inline void JA_Update() {
// --- Outgoing music fade-out (crossfade o fade-out a silencio) ---
if (outgoing_music.stream && outgoing_music.fade.active) {
Uint64 now = SDL_GetTicks();
Uint64 elapsed = now - outgoing_music.fade.start_time;
if (elapsed >= (Uint64)outgoing_music.fade.duration_ms) {
SDL_DestroyAudioStream(outgoing_music.stream);
outgoing_music.stream = nullptr;
outgoing_music.fade.active = false;
} else {
float percent = (float)elapsed / (float)outgoing_music.fade.duration_ms;
SDL_SetAudioStreamGain(outgoing_music.stream, outgoing_music.fade.initial_volume * (1.0f - percent));
}
}
// --- Current music ---
if (JA_musicEnabled && current_music && current_music->state == JA_MUSIC_PLAYING) {
if (fading) {
int time = SDL_GetTicks();
if (time > (fade_start_time + fade_duration)) {
fading = false;
JA_StopMusic();
return;
// Fade-in (parte de un crossfade)
if (incoming_fade.active) {
Uint64 now = SDL_GetTicks();
Uint64 elapsed = now - incoming_fade.start_time;
if (elapsed >= (Uint64)incoming_fade.duration_ms) {
incoming_fade.active = false;
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume);
} else {
const int time_passed = time - fade_start_time;
const float percent = (float)time_passed / (float)fade_duration;
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume * (1.0 - percent));
float percent = (float)elapsed / (float)incoming_fade.duration_ms;
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume * percent);
}
}
// Buffering de musica en loop
if (current_music->times != 0) {
if ((Uint32)SDL_GetAudioStreamAvailable(current_music->stream) < (current_music->length / 2)) {
SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length);
@@ -103,6 +131,7 @@ inline void JA_Update() {
}
}
// --- Sound channels ---
if (JA_soundEnabled) {
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; ++i)
if (channels[i].state == JA_CHANNEL_PLAYING) {
@@ -132,7 +161,11 @@ inline void JA_Init(const int freq, const SDL_AudioFormat format, const int num_
}
inline void JA_Quit() {
if (sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice); // Corregido: !sdlAudioDevice -> sdlAudioDevice
if (outgoing_music.stream) {
SDL_DestroyAudioStream(outgoing_music.stream);
outgoing_music.stream = nullptr;
}
if (sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice);
sdlAudioDevice = 0;
}
@@ -233,6 +266,14 @@ inline void JA_ResumeMusic() {
}
inline void JA_StopMusic() {
// Limpiar outgoing crossfade si existe
if (outgoing_music.stream) {
SDL_DestroyAudioStream(outgoing_music.stream);
outgoing_music.stream = nullptr;
outgoing_music.fade.active = false;
}
incoming_fade.active = false;
if (!current_music || current_music->state == JA_MUSIC_INVALID || current_music->state == JA_MUSIC_STOPPED) return;
current_music->pos = 0;
@@ -241,17 +282,65 @@ inline void JA_StopMusic() {
SDL_DestroyAudioStream(current_music->stream);
current_music->stream = nullptr;
}
// No liberamos filename aquí, se debería liberar en JA_DeleteMusic
}
inline void JA_FadeOutMusic(const int milliseconds) {
if (!JA_musicEnabled) return;
if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
if (!current_music || current_music->state != JA_MUSIC_PLAYING) return;
fading = true;
fade_start_time = SDL_GetTicks();
fade_duration = milliseconds;
fade_initial_volume = JA_musicVolume;
// Destruir outgoing anterior si existe
if (outgoing_music.stream) {
SDL_DestroyAudioStream(outgoing_music.stream);
outgoing_music.stream = nullptr;
}
// Robar el stream del current_music al outgoing
outgoing_music.stream = current_music->stream;
outgoing_music.fade = {true, SDL_GetTicks(), milliseconds, JA_musicVolume};
// Dejar current_music sin stream (ya lo tiene outgoing)
current_music->stream = nullptr;
current_music->pos = 0;
current_music->state = JA_MUSIC_STOPPED;
incoming_fade.active = false;
}
inline void JA_CrossfadeMusic(JA_Music_t* music, const int crossfade_ms, const int loop) {
if (!JA_musicEnabled || !music) return;
// Destruir outgoing anterior si existe (crossfade durante crossfade)
if (outgoing_music.stream) {
SDL_DestroyAudioStream(outgoing_music.stream);
outgoing_music.stream = nullptr;
outgoing_music.fade.active = false;
}
// Robar el stream de la musica actual al outgoing para el fade-out
if (current_music && current_music->state == JA_MUSIC_PLAYING && current_music->stream) {
outgoing_music.stream = current_music->stream;
outgoing_music.fade = {true, SDL_GetTicks(), crossfade_ms, JA_musicVolume};
current_music->stream = nullptr;
current_music->state = JA_MUSIC_STOPPED;
}
// Iniciar la nueva pista con gain=0 (el fade-in la sube gradualmente)
current_music = music;
current_music->pos = 0;
current_music->state = JA_MUSIC_PLAYING;
current_music->times = loop;
current_music->stream = SDL_CreateAudioStream(&current_music->spec, &JA_audioSpec);
if (!current_music->stream) {
SDL_Log("Failed to create audio stream for crossfade!");
current_music->state = JA_MUSIC_STOPPED;
return;
}
SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length);
SDL_SetAudioStreamGain(current_music->stream, 0.0f);
SDL_BindAudioStream(sdlAudioDevice, current_music->stream);
// Configurar fade-in
incoming_fade = {true, SDL_GetTicks(), crossfade_ms, 0.0f};
}
inline JA_Music_state JA_GetMusicState() {