2 * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
11 #include "vg/vg_audio_dsp.h"
13 audio_clip audio_board
[] =
15 { .path
="sound/skate_hpf.ogg" },
16 { .path
="sound/wheel.ogg" },
17 { .path
="sound/slide.ogg" },
18 { .path
="sound/grind_enter.ogg" },
19 { .path
="sound/grind_exit.ogg" },
20 { .path
="sound/grind_loop.ogg" },
21 { .path
="sound/woodslide.ogg" },
22 { .path
="sound/metalscrape.ogg" },
23 { .path
="sound/slidetap.ogg" }
26 audio_clip audio_taps
[] =
28 { .path
="sound/tap0.ogg" },
29 { .path
="sound/tap1.ogg" },
30 { .path
="sound/tap2.ogg" },
31 { .path
="sound/tap3.ogg" }
34 audio_clip audio_flips
[] =
36 { .path
="sound/lf0.ogg" },
37 { .path
="sound/lf1.ogg" },
38 { .path
="sound/lf2.ogg" },
39 { .path
="sound/lf3.ogg" },
42 audio_clip audio_hits
[] =
44 { .path
="sound/hit0.ogg" },
45 { .path
="sound/hit1.ogg" },
46 { .path
="sound/hit2.ogg" },
47 { .path
="sound/hit3.ogg" },
48 { .path
="sound/hit4.ogg" }
51 audio_clip audio_splash
=
52 { .path
= "sound/splash.ogg" };
54 audio_clip audio_jumps
[] = {
55 { .path
= "sound/jump0.ogg" },
56 { .path
= "sound/jump1.ogg" },
59 audio_clip audio_footsteps
[] = {
60 {.path
= "sound/step_concrete0.ogg" },
61 {.path
= "sound/step_concrete1.ogg" },
62 {.path
= "sound/step_concrete2.ogg" },
63 {.path
= "sound/step_concrete3.ogg" }
66 audio_clip audio_footsteps_grass
[] = {
67 {.path
= "sound/step_bush0.ogg" },
68 {.path
= "sound/step_bush1.ogg" },
69 {.path
= "sound/step_bush2.ogg" },
70 {.path
= "sound/step_bush3.ogg" },
71 {.path
= "sound/step_bush4.ogg" },
72 {.path
= "sound/step_bush5.ogg" }
75 audio_clip audio_footsteps_wood
[] = {
76 {.path
= "sound/step_wood0.ogg" },
77 {.path
= "sound/step_wood1.ogg" },
78 {.path
= "sound/step_wood2.ogg" },
79 {.path
= "sound/step_wood3.ogg" },
80 {.path
= "sound/step_wood4.ogg" },
81 {.path
= "sound/step_wood5.ogg" }
84 audio_clip audio_lands
[] = {
85 { .path
= "sound/land0.ogg" },
86 { .path
= "sound/land1.ogg" },
87 { .path
= "sound/land2.ogg" },
88 { .path
= "sound/landsk0.ogg" },
89 { .path
= "sound/landsk1.ogg" },
90 { .path
= "sound/onto.ogg" },
91 { .path
= "sound/outo.ogg" },
94 audio_clip audio_water
[] = {
95 { .path
= "sound/wave0.ogg" },
96 { .path
= "sound/wave1.ogg" },
97 { .path
= "sound/wave2.ogg" },
98 { .path
= "sound/wave3.ogg" },
99 { .path
= "sound/wave4.ogg" },
100 { .path
= "sound/wave5.ogg" }
103 audio_clip audio_grass
[] = {
104 { .path
= "sound/grass0.ogg" },
105 { .path
= "sound/grass1.ogg" },
106 { .path
= "sound/grass2.ogg" },
107 { .path
= "sound/grass3.ogg" },
110 audio_clip audio_ambience
[] =
112 { .path
="sound/town_generic.ogg" }
115 audio_clip audio_gate_pass
= {
116 .path
= "sound/gate_pass.ogg"
119 audio_clip audio_gate_lap
= {
120 .path
= "sound/gate_lap.ogg"
123 audio_clip audio_gate_ambient
= {
124 .path
= "sound/gate_ambient.ogg"
127 audio_clip audio_rewind
[] = {
128 { .path
= "sound/rewind_start.ogg" },
129 { .path
= "sound/rewind_end_1.5.ogg" },
130 { .path
= "sound/rewind_end_2.5.ogg" },
131 { .path
= "sound/rewind_end_6.5.ogg" },
132 { .path
= "sound/rewind_clack.ogg" },
135 audio_clip audio_ui
[] = {
136 { .path
= "sound/ui_click.ogg" },
137 { .path
= "sound/ui_ding.ogg" },
138 { .path
= "sound/teleport.ogg" }
141 audio_clip audio_challenge
[] = {
142 { .path
= "sound/objective0.ogg" },
143 { .path
= "sound/objective1.ogg" },
144 { .path
= "sound/objective_win.ogg" },
145 { .path
= "sound/ui_good.ogg" },
146 { .path
= "sound/ui_inf.ogg" },
147 { .path
= "sound/ui_ok.ogg" },
148 { .path
= "sound/objective_fail.ogg" }
151 struct air_synth_data
{
156 struct dsp_biquad lpf
;
161 static void audio_air_synth_get_samples( void *_data
, f32
*buf
, u32 count
){
162 struct air_synth_data
*data
= _data
;
164 SDL_AtomicLock( &data
->sl
);
165 f32 spd
= data
->speed
;
166 SDL_AtomicUnlock( &data
->sl
);
168 f32 s0
= sinf(data
->t
*2.0f
),
169 s1
= sinf(data
->t
*0.43f
),
170 s2
= sinf(data
->t
*1.333f
),
171 sm
= vg_clampf( data
->speed
/ 45.0f
, 0, 1 ),
172 ft
= (s0
*s1
*s2
)*0.5f
+0.5f
,
173 f
= vg_lerpf( 200.0f
, 1200.0f
, sm
*0.7f
+ ft
*0.3f
),
176 dsp_init_biquad_butterworth_lpf( &data
->lpf
, f
);
178 for( u32 i
=0; i
<count
; i
++ ){
179 f32 v
= (vg_randf64(&vg_dsp
.rand
) * 2.0f
- 1.0f
) * vol
;
180 v
= dsp_biquad_process( &data
->lpf
, v
);
186 data
->t
+= (f32
)(count
)/44100.0f
;
189 static audio_clip air_synth
= {
190 .flags
= k_audio_format_gen
,
192 .func
= audio_air_synth_get_samples
,
196 static void audio_init(void)
198 audio_clip_loadn( audio_board
, vg_list_size(audio_board
), NULL
);
199 audio_clip_loadn( audio_taps
, vg_list_size(audio_taps
), NULL
);
200 audio_clip_loadn( audio_flips
, vg_list_size(audio_flips
), NULL
);
201 audio_clip_loadn( audio_hits
, vg_list_size(audio_hits
), NULL
);
202 audio_clip_loadn( audio_ambience
, vg_list_size(audio_ambience
), NULL
);
203 audio_clip_loadn( &audio_splash
, 1, NULL
);
204 audio_clip_loadn( &audio_gate_pass
, 1, NULL
);
205 audio_clip_loadn( &audio_gate_lap
, 1, NULL
);
206 audio_clip_loadn( &audio_gate_ambient
, 1, NULL
);
208 audio_clip_loadn( audio_jumps
, vg_list_size(audio_jumps
), NULL
);
209 audio_clip_loadn( audio_lands
, vg_list_size(audio_lands
), NULL
);
210 audio_clip_loadn( audio_water
, vg_list_size(audio_water
), NULL
);
211 audio_clip_loadn( audio_grass
, vg_list_size(audio_grass
), NULL
);
212 audio_clip_loadn( audio_footsteps
, vg_list_size(audio_footsteps
), NULL
);
213 audio_clip_loadn( audio_footsteps_grass
,
214 vg_list_size(audio_footsteps_grass
), NULL
);
215 audio_clip_loadn( audio_footsteps_wood
,
216 vg_list_size(audio_footsteps_wood
), NULL
);
217 audio_clip_loadn( audio_rewind
, vg_list_size(audio_rewind
), NULL
);
218 audio_clip_loadn( audio_ui
, vg_list_size(audio_ui
), NULL
);
219 audio_clip_loadn( audio_challenge
, vg_list_size(audio_challenge
), NULL
);
222 audio_set_lfo_wave( 0, k_lfo_polynomial_bipolar
, 80.0f
);
223 audio_set_lfo_frequency( 0, 20.0f
);
225 skaterift
.aud_air
= audio_get_first_idle_channel();
226 if( skaterift
.aud_air
)
227 audio_channel_init( skaterift
.aud_air
, &air_synth
, 0 );
232 static void audio_free(void)
235 vg_warn( "UNIMPLEMENTED: audio_free()\n" );
238 enum audio_sprite_type
240 k_audio_sprite_type_none
,
241 k_audio_sprite_type_grass
,
242 k_audio_sprite_type_water
245 static void audio_ambient_sprite_play( v3f co
, audio_clip
*clip
)
248 u16 group_id
= 0xfff0;
249 audio_channel
*ch
= audio_get_group_idle_channel( group_id
, 4 );
252 audio_channel_init( ch
, clip
, AUDIO_FLAG_SPACIAL_3D
);
253 audio_channel_group( ch
, group_id
);
254 audio_channel_set_spacial( ch
, co
, 80.0f
);
255 audio_channel_edit_volume( ch
, 1.0f
, 1 );
256 ch
= audio_relinquish_channel( ch
);
262 enum audio_sprite_type
world_audio_sample_sprite_random(v3f origin
, v3f output
);
263 static void audio_ambient_sprites_update( world_instance
*world
, v3f co
)
265 static float accum
= 0.0f
;
266 accum
+= vg
.time_delta
;
273 enum audio_sprite_type sprite_type
=
274 world_audio_sample_sprite_random( co
, sprite_pos
);
276 if( sprite_type
!= k_audio_sprite_type_none
){
277 if( sprite_type
== k_audio_sprite_type_grass
){
278 audio_ambient_sprite_play( sprite_pos
,
279 &audio_grass
[vg_randu32(&vg
.rand
)%4] );
281 else if( sprite_type
== k_audio_sprite_type_water
){
282 if( world
->water
.enabled
){
283 audio_ambient_sprite_play( sprite_pos
,
284 &audio_water
[vg_randu32(&vg
.rand
)%6] );