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Named values for the OpenAL arrays

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This commit is contained in:
tudnai 2020-06-11 23:37:18 -07:00
parent b5b555a04b
commit 3f38d61bf6
1 changed files with 38 additions and 30 deletions
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68
src/dev/audio/speaker.c
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@ -52,13 +52,21 @@ const char* al_err_str(ALenum err) {
ALCdevice *dev = NULL; ALCdevice *dev = NULL;
ALCcontext *ctx = NULL; ALCcontext *ctx = NULL;
ALuint spkr_src [4] = { 0, 0, 0, 0 };
int spkr_level = SPKR_LEVEL_ZERO; int spkr_level = SPKR_LEVEL_ZERO;
#define BUFFER_COUNT 256 #define BUFFER_COUNT 64
#define SOURCES_COUNT 1 #define SOURCES_COUNT 4
enum {
SPKR_SRC_GAME_SFX = 0,
SPKR_SRC_DISK_MOTOR_SFX,
SPKR_SRC_DISK_ARM_SFX,
SPKR_SRC_DISK_IOERR_SFX,
};
ALuint spkr_src [SOURCES_COUNT] = { 0, 0, 0, 0 };
ALuint spkr_buffers[BUFFER_COUNT]; ALuint spkr_buffers[BUFFER_COUNT];
ALuint spkr_disk_motor_buf = 0; ALuint spkr_disk_motor_buf = 0;
@ -162,13 +170,13 @@ void spkr_init() {
al_check_error(); al_check_error();
// Set-up sound source and play buffer // Set-up sound source and play buffer
alGenSources(4, spkr_src); alGenSources(SOURCES_COUNT, spkr_src);
al_check_error(); al_check_error();
alSourcei(spkr_src[0], AL_LOOPING, AL_FALSE); alSourcei(spkr_src[SPKR_SRC_GAME_SFX], AL_LOOPING, AL_FALSE);
al_check_error(); al_check_error();
alSourcef(spkr_src[0], AL_ROLLOFF_FACTOR, 0); alSourcef(spkr_src[SPKR_SRC_GAME_SFX], AL_ROLLOFF_FACTOR, 0);
al_check_error(); al_check_error();
alSource3f(spkr_src[0], AL_POSITION, 0.0, 8.0, 0.0); alSource3f(spkr_src[SPKR_SRC_GAME_SFX], AL_POSITION, 0.0, 8.0, 0.0);
al_check_error(); al_check_error();
alListener3f(AL_POSITION, 0.0, 0.0, 0.0); alListener3f(AL_POSITION, 0.0, 0.0, 0.0);
al_check_error(); al_check_error();
@ -177,11 +185,11 @@ void spkr_init() {
// Set-up disk motor sound source and play buffer // Set-up disk motor sound source and play buffer
alSourcei(spkr_src[1], AL_LOOPING, AL_TRUE); alSourcei(spkr_src[SPKR_SRC_DISK_MOTOR_SFX], AL_LOOPING, AL_TRUE);
al_check_error(); al_check_error();
alSourcef(spkr_src[1], AL_ROLLOFF_FACTOR, 0); alSourcef(spkr_src[SPKR_SRC_DISK_MOTOR_SFX], AL_ROLLOFF_FACTOR, 0);
al_check_error(); al_check_error();
alSource3f(spkr_src[1], AL_POSITION, 0.0, 8.0, 0.0); alSource3f(spkr_src[SPKR_SRC_DISK_MOTOR_SFX], AL_POSITION, 0.0, 8.0, 0.0);
al_check_error(); al_check_error();
alListener3f(AL_POSITION, 0.0, 0.0, 0.0); alListener3f(AL_POSITION, 0.0, 0.0, 0.0);
al_check_error(); al_check_error();
@ -190,11 +198,11 @@ void spkr_init() {
// Set-up disk arm sound source and play buffer // Set-up disk arm sound source and play buffer
alSourcei(spkr_src[2], AL_LOOPING, AL_FALSE); alSourcei(spkr_src[SPKR_SRC_DISK_ARM_SFX], AL_LOOPING, AL_FALSE);
al_check_error(); al_check_error();
alSourcef(spkr_src[2], AL_ROLLOFF_FACTOR, 0); alSourcef(spkr_src[SPKR_SRC_DISK_ARM_SFX], AL_ROLLOFF_FACTOR, 0);
al_check_error(); al_check_error();
alSource3f(spkr_src[2], AL_POSITION, 0.0, 8.0, 0.0); alSource3f(spkr_src[SPKR_SRC_DISK_ARM_SFX], AL_POSITION, 0.0, 8.0, 0.0);
al_check_error(); al_check_error();
alListener3f(AL_POSITION, 0.0, 0.0, 0.0); alListener3f(AL_POSITION, 0.0, 0.0, 0.0);
al_check_error(); al_check_error();
@ -203,11 +211,11 @@ void spkr_init() {
// Set-up disk io error sound source and play buffer // Set-up disk io error sound source and play buffer
alSourcei(spkr_src[3], AL_LOOPING, AL_FALSE); alSourcei(spkr_src[SPKR_SRC_DISK_IOERR_SFX], AL_LOOPING, AL_FALSE);
al_check_error(); al_check_error();
alSourcef(spkr_src[3], AL_ROLLOFF_FACTOR, 0); alSourcef(spkr_src[SPKR_SRC_DISK_IOERR_SFX], AL_ROLLOFF_FACTOR, 0);
al_check_error(); al_check_error();
alSource3f(spkr_src[3], AL_POSITION, 0.0, 8.0, 0.0); alSource3f(spkr_src[SPKR_SRC_DISK_IOERR_SFX], AL_POSITION, 0.0, 8.0, 0.0);
al_check_error(); al_check_error();
alListener3f(AL_POSITION, 0.0, 0.0, 0.0); alListener3f(AL_POSITION, 0.0, 0.0, 0.0);
al_check_error(); al_check_error();
@ -224,8 +232,8 @@ void spkr_init() {
// Dealloc OpenAL // Dealloc OpenAL
void spkr_exit() { void spkr_exit() {
if ( spkr_src[0] ) { if ( spkr_src[SPKR_SRC_GAME_SFX] ) {
alSourceStop( spkr_src[0] ); alSourceStop( spkr_src[SPKR_SRC_GAME_SFX] );
ALCdevice *dev = NULL; ALCdevice *dev = NULL;
ALCcontext *ctx = NULL; ALCcontext *ctx = NULL;
@ -334,13 +342,13 @@ int spkr_unqueue( ALuint src ) {
void spkr_update() { void spkr_update() {
if ( spkr_play_time ) { if ( spkr_play_time ) {
// free up unused buffers // free up unused buffers
freeBuffers += spkr_unqueue( spkr_src[0] ); freeBuffers += spkr_unqueue( spkr_src[SPKR_SRC_GAME_SFX] );
freeBuffers = clamp( 1, freeBuffers, BUFFER_COUNT ); freeBuffers = clamp( 1, freeBuffers, BUFFER_COUNT );
if ( freeBuffers ) { if ( freeBuffers ) {
ALenum state; ALenum state;
alGetSourcei( spkr_src[0], AL_SOURCE_STATE, &state ); alGetSourcei( spkr_src[SPKR_SRC_GAME_SFX], AL_SOURCE_STATE, &state );
// al_check_error(); // al_check_error();
if ( --spkr_play_time == 0 ) { if ( --spkr_play_time == 0 ) {
@ -364,7 +372,7 @@ void spkr_update() {
freeBuffers--; freeBuffers--;
alBufferData(spkr_buffers[freeBuffers], AL_FORMAT_STEREO16, spkr_samples, spkr_sample_idx * sizeof(spkr_samples[0]), spkr_sample_rate); alBufferData(spkr_buffers[freeBuffers], AL_FORMAT_STEREO16, spkr_samples, spkr_sample_idx * sizeof(spkr_samples[0]), spkr_sample_rate);
al_check_error(); al_check_error();
alSourceQueueBuffers(spkr_src[0], 1, &spkr_buffers[freeBuffers]); alSourceQueueBuffers(spkr_src[SPKR_SRC_GAME_SFX], 1, &spkr_buffers[freeBuffers]);
al_check_error(); al_check_error();
} }
} }
@ -372,13 +380,13 @@ void spkr_update() {
freeBuffers--; freeBuffers--;
alBufferData(spkr_buffers[freeBuffers], AL_FORMAT_STEREO16, spkr_samples, (spkr_buf_size + spkr_extra_buf) * sizeof(spkr_samples[0]), spkr_sample_rate); alBufferData(spkr_buffers[freeBuffers], AL_FORMAT_STEREO16, spkr_samples, (spkr_buf_size + spkr_extra_buf) * sizeof(spkr_samples[0]), spkr_sample_rate);
al_check_error(); al_check_error();
alSourceQueueBuffers(spkr_src[0], 1, &spkr_buffers[freeBuffers]); alSourceQueueBuffers(spkr_src[SPKR_SRC_GAME_SFX], 1, &spkr_buffers[freeBuffers]);
al_check_error(); al_check_error();
} }
switch (state) { switch (state) {
case AL_PAUSED: case AL_PAUSED:
alSourcePlay(spkr_src[0]); alSourcePlay(spkr_src[SPKR_SRC_GAME_SFX]);
break; break;
case AL_PLAYING: case AL_PLAYING:
@ -386,8 +394,8 @@ void spkr_update() {
break; break;
default: default:
alSourcePlay(spkr_src[0]); alSourcePlay(spkr_src[SPKR_SRC_GAME_SFX]);
alSourcePause(spkr_src[0]); alSourcePause(spkr_src[SPKR_SRC_GAME_SFX]);
break; break;
} }
@ -491,7 +499,7 @@ void spkr_stop_sfx( ALuint src ) {
void spkr_play_disk_motor() { void spkr_play_disk_motor() {
if ( ( disk_sfx_enabled ) && ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) ) { if ( ( disk_sfx_enabled ) && ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) ) {
spkr_play_sfx( spkr_src[1], diskmotor_sfx, diskmotor_sfx_len ); spkr_play_sfx( spkr_src[SPKR_SRC_DISK_MOTOR_SFX], diskmotor_sfx, diskmotor_sfx_len );
} }
} }
@ -505,7 +513,7 @@ void spkr_stop_disk_motor( int time ) {
void spkr_play_disk_arm() { void spkr_play_disk_arm() {
if ( ( disk_sfx_enabled ) && ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) ) { if ( ( disk_sfx_enabled ) && ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) ) {
if ( spkr_play_disk_ioerr_time == 0 ) { if ( spkr_play_disk_ioerr_time == 0 ) {
spkr_play_sfx( spkr_src[2], diskarm_sfx, diskarm_sfx_len ); spkr_play_sfx( spkr_src[SPKR_SRC_DISK_ARM_SFX], diskarm_sfx, diskarm_sfx_len );
spkr_play_disk_arm_time = 2; spkr_play_disk_arm_time = 2;
} }
} }
@ -514,7 +522,7 @@ void spkr_play_disk_arm() {
void spkr_play_disk_ioerr() { void spkr_play_disk_ioerr() {
if ( ( disk_sfx_enabled ) && ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) ) { if ( ( disk_sfx_enabled ) && ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) ) {
spkr_playqueue_sfx( spkr_src[3], diskioerr_sfx, diskioerr_sfx_len); spkr_playqueue_sfx( spkr_src[SPKR_SRC_DISK_IOERR_SFX], diskioerr_sfx, diskioerr_sfx_len);
spkr_play_disk_ioerr_time = 4; spkr_play_disk_ioerr_time = 4;
} }
} }
@ -539,8 +547,8 @@ void spkr_update_disk_sfx() {
} }
} }
update_disk_sfx( &spkr_play_disk_motor_time, spkr_src[1] ); update_disk_sfx( &spkr_play_disk_motor_time, spkr_src[SPKR_SRC_DISK_MOTOR_SFX] );
update_disk_sfx( &spkr_play_disk_arm_time, spkr_src[2] ); update_disk_sfx( &spkr_play_disk_arm_time, spkr_src[SPKR_SRC_DISK_ARM_SFX] );
// we do not need to stop playing, // we do not need to stop playing,
// however, counter needed to eliminate arm movement noise while in io error // however, counter needed to eliminate arm movement noise while in io error