X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=audio.h;h=448906be07e9af05c101b3c07766578dc7612f4d;hb=refs%2Fheads%2Frigidbody;hp=0572d6dcf52b623fc7a3f313c370e0d70e0f4d7c;hpb=d4746875c05dd3e077e1b266e50ffe4856b45502;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/audio.h b/audio.h
index 0572d6d..448906b 100644
--- a/audio.h
+++ b/audio.h
@@ -1,149 +1,289 @@
-#ifndef AUDIO_H
-#define AUDIO_H
+/*
+ * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
 
 #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;
+#ifndef AUDIO_H
+#define AUDIO_H
 
-sfx_vol_control audio_vol_all = { .val = 1.0f, .name = "All" };
+#include "world.h"
 
-sfx_set audio_board =
+audio_clip audio_board[] =
 {
-   .sources = "sound/skate.ogg\0"
-              "sound/wheel.ogg\0"
-              "sound/slide.ogg\0"
-              "sound/reverb.ogg\0"
+   { .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" }
 };
 
-sfx_system audio_player0 =
+audio_clip audio_taps[] =
 {
-   .vol = 0.0f,
-   .ch = 1,
-   .vol_src = &audio_vol_all,
-   .name = "Player0",
-   .flags = SFX_FLAG_REPEAT | SFX_FLAG_PERSISTENT 
+   { .path="sound/tap0.ogg" },
+   { .path="sound/tap1.ogg" },
+   { .path="sound/tap2.ogg" },
+   { .path="sound/tap3.ogg" }
 };
 
-sfx_system audio_player1 =
+audio_clip audio_flips[] =
 {
-   .vol = 0.0f,
-   .ch = 1,
-   .vol_src = &audio_vol_all,
-   .name = "Player1",
-   .flags = SFX_FLAG_REPEAT | SFX_FLAG_PERSISTENT
+   { .path="sound/lf0.ogg" },
+   { .path="sound/lf1.ogg" },
+   { .path="sound/lf2.ogg" },
+   { .path="sound/lf3.ogg" },
 };
 
-sfx_system audio_player2 =
+audio_clip audio_hits[] =
 {
-   .vol = 0.0f,
-   .ch = 1,
-   .vol_src = &audio_vol_all,
-   .name = "Player2",
-   .flags = SFX_FLAG_REPEAT | SFX_FLAG_PERSISTENT
+   { .path="sound/hit0.ogg" },
+   { .path="sound/hit1.ogg" },
+   { .path="sound/hit2.ogg" },
+   { .path="sound/hit3.ogg" },
+   { .path="sound/hit4.ogg" }
 };
 
-sfx_system audio_player3 =
-{
-   .vol = 0.0f,
-   .ch = 1,
-   .vol_src = &audio_vol_all,
-   .name = "Player3",
-   .flags = SFX_FLAG_REPEAT | SFX_FLAG_PERSISTENT
+audio_clip audio_splash =
+{ .path = "sound/splash.ogg" };
+
+audio_clip audio_jumps[] = {
+   { .path = "sound/jump0.ogg" },
+   { .path = "sound/jump1.ogg" },
 };
 
-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
-   });
-}
+audio_clip audio_footsteps[] = {
+ {.path = "sound/step_concrete0.ogg" },
+ {.path = "sound/step_concrete1.ogg" },
+ {.path = "sound/step_concrete2.ogg" },
+ {.path = "sound/step_concrete3.ogg" }
+};
 
-static void audio_free(void)
-{
-   sfx_set_free( &audio_board );
-}
+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" }
+};
 
-static void audio_sample_occlusion( v3f origin )
+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[] =
 {
-   float d = 0.0f,
-         sample_dist = 880.0f;
+   { .path="sound/town_generic.ogg" }
+};
 
-   int sample_count = 8;
+audio_clip audio_gate_pass = {
+   .path = "sound/gate_pass.ogg"
+};
 
-   for( int i=0; i<sample_count; i++ )
-   {
-      v3f dir;
-      dir[0] = vg_randf();
-      dir[1] = vg_randf();
-      dir[2] = vg_randf();
+audio_clip audio_gate_lap = {
+   .path = "sound/gate_lap.ogg"
+};
 
-      v3_muls( dir, 2.0f, dir );
-      v3_sub( dir, (v3f){1.0f,1.0f,1.0f}, dir );
+audio_clip audio_gate_ambient = {
+.path = "sound/gate_ambient.ogg"
+};
 
-      v3_normalize( dir );
+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" },
+};
 
-      ray_hit contact;
-      contact.dist = 15.0f;
-      
-      if( ray_world( origin, dir, &contact ) )
-      {
-         d += contact.dist;
+audio_clip audio_ui[] = {
+   { .path = "sound/ui_click.ogg" },
+   { .path = "sound/ui_ding.ogg" },
+   { .path = "sound/teleport.ogg" }
+};
 
-         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 );
+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" }
+};
 
-         d += sample_dist;
-      }
+struct air_synth_data {
+   f32 speed;
+
+   /* internal */
+   f32 t;
+   struct dsp_biquad lpf;
+   SDL_SpinLock sl;
+}
+static air_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;
    }
 
-   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 );
+   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_data
+};
+
+static 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 );
+
+   skaterift.aud_air = audio_get_first_idle_channel();
+   if( skaterift.aud_air ) 
+      audio_channel_init( skaterift.aud_air, &air_synth, 0 );
+
+   audio_unlock();
+}
+
+static void audio_free(void)
+{
+   /* TODO! */
+   vg_warn( "UNIMPLEMENTED: audio_free()\n" );
 }
 
-static void audio_debug_soundscapes(void)
+enum audio_sprite_type 
+{
+   k_audio_sprite_type_none,
+   k_audio_sprite_type_grass,
+   k_audio_sprite_type_water
+};
+
+static void audio_ambient_sprite_play( v3f co, audio_clip *clip )
 {
-   if( !k_audio_debug_soundscape ) return;
+   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();
+}
 
-   char buf[64];
-   snprintf( buf, 31, "occlusion: %.5f", audio_occlusion_current );
+static
+enum audio_sprite_type world_audio_sample_sprite_random(v3f origin, v3f output);
+static void audio_ambient_sprites_update( world_instance *world, v3f co )
+{
+   static float accum = 0.0f;
+   accum += vg.time_delta;
 
-   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;
+   if( accum > 0.1f )
+      accum -= 0.1f;
+   else return;
 
-   gui_fill_rect( ui_global_ctx.cursor, 0x55cccccc );
-   gui_text( ui_global_ctx.cursor, buf, 1, 0 );
+   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] );
+         }
+      }
+   }
 }
 
 #endif /* AUDIO_H */