#define AUDIO_H
#include "common.h"
+#include "world.h"
+
+static float audio_occlusion_current = 0.0f,
+ k_audio_occlusion_rate = 1.0f;
+
+static int k_audio_debug_soundscape = 0;
sfx_vol_control audio_vol_all = { .val = 1.0f, .name = "All" };
.sources = "sound/skate.ogg\0"
"sound/wheel.ogg\0"
"sound/slide.ogg\0"
+ "sound/reverb.ogg\0"
};
sfx_system audio_player0 =
.flags = SFX_FLAG_REPEAT | SFX_FLAG_PERSISTENT
};
+sfx_system audio_player3 =
+{
+ .vol = 0.0f,
+ .ch = 1,
+ .vol_src = &audio_vol_all,
+ .name = "Player3",
+ .flags = SFX_FLAG_REPEAT | SFX_FLAG_PERSISTENT
+};
+
static void audio_init(void)
{
sfx_set_init( &audio_board, NULL );
sfx_set_play( &audio_board, &audio_player0, 0 );
sfx_set_play( &audio_board, &audio_player1, 1 );
sfx_set_play( &audio_board, &audio_player2, 2 );
+ sfx_set_play( &audio_board, &audio_player3, 3 );
+
+ vg_convar_push( (struct vg_convar){
+ .name = "aud_debug_soundscape",
+ .data = &k_audio_debug_soundscape,
+ .data_type = k_convar_dtype_i32,
+ .opt_i32 = { .min=0, .max=1, .clamp=0 },
+ .persistent = 1
+ });
+
+ vg_convar_push( (struct vg_convar){
+ .name = "aud_occlusion_rate",
+ .data = &k_audio_occlusion_rate,
+ .data_type = k_convar_dtype_f32,
+ .opt_f32 = { .clamp = 0 },
+ .persistent = 1
+ });
}
static void audio_free(void)
sfx_set_free( &audio_board );
}
+static void audio_sample_occlusion( v3f origin )
+{
+ float d = 0.0f,
+ sample_dist = 880.0f;
+
+ int sample_count = 8;
+
+ for( int i=0; i<sample_count; i++ )
+ {
+ v3f dir;
+ dir[0] = vg_randf();
+ dir[1] = vg_randf();
+ dir[2] = vg_randf();
+
+ v3_muls( dir, 2.0f, dir );
+ v3_sub( dir, (v3f){1.0f,1.0f,1.0f}, dir );
+
+ v3_normalize( dir );
+
+ ray_hit contact;
+ contact.dist = 15.0f;
+
+ if( ray_world( origin, dir, &contact ) )
+ {
+ d += contact.dist;
+
+ vg_line( origin, contact.pos, 0xff0000ff );
+ vg_line_pt3( contact.pos, 0.1f, 0xff0000ff );
+ }
+ else
+ {
+ v3f p1;
+ v3_muladds( origin, dir, sample_dist, p1 );
+ vg_line( origin, p1, 0xffcccccc );
+
+ d += sample_dist;
+ }
+ }
+
+ float occlusion = 1.0f - (d * (1.0f/(sample_dist*(float)sample_count))),
+ rate = ktimestep * k_audio_occlusion_rate,
+ target = powf( occlusion, 6.0f );
+ audio_occlusion_current = vg_lerpf( audio_occlusion_current, target, rate );
+}
+
+static void audio_debug_soundscapes(void)
+{
+ if( !k_audio_debug_soundscape ) return;
+
+ char buf[64];
+ snprintf( buf, 31, "occlusion: %.5f", audio_occlusion_current );
+
+ ui_global_ctx.cursor[0] = 10;
+ ui_global_ctx.cursor[1] = 10;
+ ui_global_ctx.cursor[2] = audio_occlusion_current * 200.0f;
+ ui_global_ctx.cursor[3] = 20;
+
+ gui_fill_rect( ui_global_ctx.cursor, 0x55cccccc );
+ gui_text( ui_global_ctx.cursor, buf, 1, 0 );
+}
+
#endif /* AUDIO_H */