X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=audio.c;fp=audio.c;h=bbbe4766758b43c035d821be87a058486f3cbaac;hb=5f6a4f9df6c8accc89f1920bfe9ace3cbac4c4b6;hp=0000000000000000000000000000000000000000;hpb=a109f126d8adab622e38fbcc2d4281e75255246a;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/audio.c b/audio.c
new file mode 100644
index 0000000..bbbe476
--- /dev/null
+++ b/audio.c
@@ -0,0 +1,264 @@
+#include "world.h"
+#include "audio.h"
+#include "vg/vg_audio_dsp.h"
+
+audio_clip audio_board[] =
+{
+   { .path="sound/skate_hpf.ogg" },
+   { .path="sound/wheel.ogg" },
+   { .path="sound/slide.ogg" },
+   { .path="sound/grind_enter.ogg" },
+   { .path="sound/grind_exit.ogg" },
+   { .path="sound/grind_loop.ogg" },
+   { .path="sound/woodslide.ogg" },
+   { .path="sound/metalscrape.ogg" },
+   { .path="sound/slidetap.ogg" }
+};
+
+audio_clip audio_taps[] =
+{
+   { .path="sound/tap0.ogg" },
+   { .path="sound/tap1.ogg" },
+   { .path="sound/tap2.ogg" },
+   { .path="sound/tap3.ogg" }
+};
+
+audio_clip audio_flips[] =
+{
+   { .path="sound/lf0.ogg" },
+   { .path="sound/lf1.ogg" },
+   { .path="sound/lf2.ogg" },
+   { .path="sound/lf3.ogg" },
+};
+
+audio_clip audio_hits[] =
+{
+   { .path="sound/hit0.ogg" },
+   { .path="sound/hit1.ogg" },
+   { .path="sound/hit2.ogg" },
+   { .path="sound/hit3.ogg" },
+   { .path="sound/hit4.ogg" }
+};
+
+audio_clip audio_splash =
+{ .path = "sound/splash.ogg" };
+
+audio_clip audio_jumps[] = {
+   { .path = "sound/jump0.ogg" },
+   { .path = "sound/jump1.ogg" },
+};
+
+audio_clip audio_footsteps[] = {
+ {.path = "sound/step_concrete0.ogg" },
+ {.path = "sound/step_concrete1.ogg" },
+ {.path = "sound/step_concrete2.ogg" },
+ {.path = "sound/step_concrete3.ogg" }
+};
+
+audio_clip audio_footsteps_grass[] = {
+ {.path = "sound/step_bush0.ogg" },
+ {.path = "sound/step_bush1.ogg" },
+ {.path = "sound/step_bush2.ogg" },
+ {.path = "sound/step_bush3.ogg" },
+ {.path = "sound/step_bush4.ogg" },
+ {.path = "sound/step_bush5.ogg" }
+};
+
+audio_clip audio_footsteps_wood[] = {
+ {.path = "sound/step_wood0.ogg" },
+ {.path = "sound/step_wood1.ogg" },
+ {.path = "sound/step_wood2.ogg" },
+ {.path = "sound/step_wood3.ogg" },
+ {.path = "sound/step_wood4.ogg" },
+ {.path = "sound/step_wood5.ogg" }
+};
+
+audio_clip audio_lands[] = {
+   { .path = "sound/land0.ogg" },
+   { .path = "sound/land1.ogg" },
+   { .path = "sound/land2.ogg" },
+   { .path = "sound/landsk0.ogg" },
+   { .path = "sound/landsk1.ogg" },
+   { .path = "sound/onto.ogg" },
+   { .path = "sound/outo.ogg" },
+};
+
+audio_clip audio_water[] = {
+   { .path = "sound/wave0.ogg" },
+   { .path = "sound/wave1.ogg" },
+   { .path = "sound/wave2.ogg" },
+   { .path = "sound/wave3.ogg" },
+   { .path = "sound/wave4.ogg" },
+   { .path = "sound/wave5.ogg" }
+};
+
+audio_clip audio_grass[] = {
+   { .path = "sound/grass0.ogg" },
+   { .path = "sound/grass1.ogg" },
+   { .path = "sound/grass2.ogg" },
+   { .path = "sound/grass3.ogg" },
+};
+
+audio_clip audio_ambience[] =
+{
+   { .path="sound/town_generic.ogg" }
+};
+
+audio_clip audio_gate_pass = {
+   .path = "sound/gate_pass.ogg"
+};
+
+audio_clip audio_gate_lap = {
+   .path = "sound/gate_lap.ogg"
+};
+
+audio_clip audio_gate_ambient = {
+.path = "sound/gate_ambient.ogg"
+};
+
+audio_clip audio_rewind[] = {
+{ .path = "sound/rewind_start.ogg" },
+{ .path = "sound/rewind_end_1.5.ogg" },
+{ .path = "sound/rewind_end_2.5.ogg" },
+{ .path = "sound/rewind_end_6.5.ogg" },
+{ .path = "sound/rewind_clack.ogg" },
+};
+
+audio_clip audio_ui[] = {
+   { .path = "sound/ui_click.ogg" },
+   { .path = "sound/ui_ding.ogg" },
+   { .path = "sound/teleport.ogg" }
+};
+
+audio_clip audio_challenge[] = {
+   { .path = "sound/objective0.ogg" },
+   { .path = "sound/objective1.ogg" },
+   { .path = "sound/objective_win.ogg" },
+   { .path = "sound/ui_good.ogg" },
+   { .path = "sound/ui_inf.ogg" },
+   { .path = "sound/ui_ok.ogg" },
+   { .path = "sound/objective_fail.ogg" }
+};
+
+struct air_synth_data air_audio_data;
+
+static void audio_air_synth_get_samples( void *_data, f32 *buf, u32 count ){
+   struct air_synth_data *data = _data;
+
+   SDL_AtomicLock( &data->sl );
+   f32 spd = data->speed;
+   SDL_AtomicUnlock( &data->sl );
+
+   f32 s0  = sinf(data->t*2.0f),
+       s1  = sinf(data->t*0.43f),
+       s2  = sinf(data->t*1.333f),
+       sm  = vg_clampf( data->speed / 45.0f, 0, 1 ),
+       ft  = (s0*s1*s2)*0.5f+0.5f,
+       f   = vg_lerpf( 200.0f, 1200.0f, sm*0.7f + ft*0.3f ),
+       vol = 0.25f * sm;
+
+   dsp_init_biquad_butterworth_lpf( &data->lpf, f );
+
+   for( u32 i=0; i<count; i ++ ){
+      f32 v = (vg_randf64(&vg_dsp.rand) * 2.0f - 1.0f) * vol;
+      v = dsp_biquad_process( &data->lpf, v );
+
+      buf[i*2+0] = v;
+      buf[i*2+1] = v;
+   }
+
+   data->t += (f32)(count)/44100.0f;
+};
+
+static audio_clip air_synth = {
+   .flags = k_audio_format_gen,
+   .size = 0,
+   .func = audio_air_synth_get_samples,
+   .data = &air_audio_data
+};
+
+void audio_init(void)
+{
+   audio_clip_loadn( audio_board, vg_list_size(audio_board), NULL );
+   audio_clip_loadn( audio_taps, vg_list_size(audio_taps), NULL );
+   audio_clip_loadn( audio_flips, vg_list_size(audio_flips), NULL );
+   audio_clip_loadn( audio_hits, vg_list_size(audio_hits), NULL );
+   audio_clip_loadn( audio_ambience, vg_list_size(audio_ambience), NULL );
+   audio_clip_loadn( &audio_splash, 1, NULL );
+   audio_clip_loadn( &audio_gate_pass, 1, NULL );
+   audio_clip_loadn( &audio_gate_lap, 1, NULL );
+   audio_clip_loadn( &audio_gate_ambient, 1, NULL );
+
+   audio_clip_loadn( audio_jumps, vg_list_size(audio_jumps), NULL );
+   audio_clip_loadn( audio_lands, vg_list_size(audio_lands), NULL );
+   audio_clip_loadn( audio_water, vg_list_size(audio_water), NULL );
+   audio_clip_loadn( audio_grass, vg_list_size(audio_grass), NULL );
+   audio_clip_loadn( audio_footsteps, vg_list_size(audio_footsteps), NULL );
+   audio_clip_loadn( audio_footsteps_grass, 
+                     vg_list_size(audio_footsteps_grass), NULL );
+   audio_clip_loadn( audio_footsteps_wood, 
+                     vg_list_size(audio_footsteps_wood), NULL );
+   audio_clip_loadn( audio_rewind, vg_list_size(audio_rewind), NULL );
+   audio_clip_loadn( audio_ui, vg_list_size(audio_ui), NULL );
+   audio_clip_loadn( audio_challenge, vg_list_size(audio_challenge), NULL );
+
+   audio_lock();
+   audio_set_lfo_wave( 0, k_lfo_polynomial_bipolar, 80.0f );
+   audio_set_lfo_frequency( 0, 20.0f );
+
+   air_audio_data.channel = audio_get_first_idle_channel();
+   if( air_audio_data.channel )
+      audio_channel_init( air_audio_data.channel, &air_synth, 0 );
+
+   audio_unlock();
+}
+
+void audio_free(void)
+{
+   /* TODO! */
+   vg_warn( "UNIMPLEMENTED: audio_free()\n" );
+}
+
+void audio_ambient_sprite_play( v3f co, audio_clip *clip )
+{
+   audio_lock();
+   u16 group_id = 0xfff0;
+   audio_channel *ch = audio_get_group_idle_channel( group_id, 4 );
+
+   if( ch ){
+      audio_channel_init( ch, clip, AUDIO_FLAG_SPACIAL_3D );
+      audio_channel_group( ch, group_id );
+      audio_channel_set_spacial( ch, co, 80.0f );
+      audio_channel_edit_volume( ch, 1.0f, 1 );
+      ch = audio_relinquish_channel( ch );
+   }
+   audio_unlock();
+}
+
+enum audio_sprite_type world_audio_sample_sprite_random(v3f origin, v3f output);
+void audio_ambient_sprites_update( world_instance *world, v3f co )
+{
+   static float accum = 0.0f;
+   accum += vg.time_delta;
+
+   if( accum > 0.1f )
+      accum -= 0.1f;
+   else return;
+
+   v3f sprite_pos;
+   enum audio_sprite_type sprite_type = 
+      world_audio_sample_sprite_random( co, sprite_pos );
+   
+   if( sprite_type != k_audio_sprite_type_none ){
+      if( sprite_type == k_audio_sprite_type_grass ){
+         audio_ambient_sprite_play( sprite_pos, 
+                                    &audio_grass[vg_randu32(&vg.rand)%4] );
+      }
+      else if( sprite_type == k_audio_sprite_type_water ){
+         if( world->water.enabled ){
+            audio_ambient_sprite_play( sprite_pos, 
+                                       &audio_water[vg_randu32(&vg.rand)%6] );
+         }
+      }
+   }
+}