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Update csfml

This commit is contained in:
Miloslav Číž 2020-10-25 19:45:57 +01:00
parent 2279e01ea5
commit 72712103cb
2 changed files with 47 additions and 16 deletions
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60
main_csfml.c
View File

@ -28,6 +28,8 @@
#define SFG_DIMINISH_SPRITES 1
#define SFG_RESOLUTION_SCALEDOWN 1
#define MUSIC_VOLUME 16
#define WINDOW_SIZE (SFG_SCREEN_RESOLUTION_X * SFG_SCREEN_RESOLUTION_Y)
#include "game.h"
@ -173,36 +175,63 @@ uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
return 1;
}
void SFG_playSound(uint8_t soundIndex, uint8_t volume)
{
}
uint64_t soundPos = 0;
sfSoundStream *sound;
#define AUDIO_BUFFER_SIZE (SFG_SFX_SAMPLE_COUNT * 2)
#define AUDIO_BUFFER_OFFSET 400
int16_t audioBuffer[AUDIO_BUFFER_SIZE];
uint32_t audioUpdateFrame = 0; // game frame at which audio buffer fill happened
static inline int16_t mixSamples(int16_t sample1, int16_t sample2)
{
return sample1 + sample2;
}
void SFG_playSound(uint8_t soundIndex, uint8_t volume)
{
uint16_t volumeScale = 1 << (volume / 37);
uint32_t pos = AUDIO_BUFFER_OFFSET +
((SFG_game.frame - audioUpdateFrame) * SFG_MS_PER_FRAME * 8);
for (int i = 0; i < SFG_SFX_SAMPLE_COUNT; ++i)
{
audioBuffer[pos] = mixSamples(audioBuffer[pos],
(128 - SFG_GET_SFX_SAMPLE(soundIndex,i)) * volumeScale);
pos++;
if (pos >= AUDIO_BUFFER_SIZE)
break;
}
}
sfBool soundFill(sfSoundStreamChunk *data, void *userdata)
{
for (uint32_t i = 0; i < AUDIO_BUFFER_SIZE - AUDIO_BUFFER_OFFSET; ++i)
audioBuffer[i] = audioBuffer[i + AUDIO_BUFFER_OFFSET];
for (uint32_t i = AUDIO_BUFFER_SIZE - AUDIO_BUFFER_OFFSET; i < AUDIO_BUFFER_SIZE; ++i)
audioBuffer[i] = 0;
for (uint32_t i = 0; i < AUDIO_BUFFER_OFFSET; ++i) // mix in the music
{
audioBuffer[i] = mixSamples((SFG_getNextMusicSample() -
SFG_musicTrackAverages[SFG_MusicState.track]) * MUSIC_VOLUME,
audioBuffer[i]);
}
printf("sasa\n");
data->samples = audioBuffer;
data->sampleCount = AUDIO_BUFFER_SIZE;
data->sampleCount = AUDIO_BUFFER_OFFSET;
audioUpdateFrame = SFG_game.frame;
return sfTrue;
}
void soundSeek(sfTime t, void *userData)
{
}
int main()
@ -261,6 +290,9 @@ sfSoundStream_play(sound);
}
sfSoundStream_stop(sound);
sfSoundStream_destroy(sound);
sfSprite_destroy(windowSprite);
sfTexture_destroy(windowTexture);
sfRenderWindow_destroy(window);

3
main_sdl.c
View File

@ -85,7 +85,6 @@
#define MUSIC_VOLUME 16
#if !SFG_OS_IS_MALWARE
#include <signal.h>
#endif
@ -321,7 +320,7 @@ void audioFillCallback(void *userdata, uint8_t *s, int l)
{
s16[i] = musicOn ?
mixSamples(audioBuff[audioPos], MUSIC_VOLUME *
(SFG_getNextMusicSample()- SFG_musicTrackAverages[SFG_MusicState.track]))
(SFG_getNextMusicSample() - SFG_musicTrackAverages[SFG_MusicState.track]))
: audioBuff[audioPos];
audioBuff[audioPos] = 0;