player_audio.h

   1 /*
   2  * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef PLAYER_AUDIO_H
   6 #define PLAYER_AUDIO_H
   7
   8 #include "player.h"
   9
  10 /*
  11  * Audio
  12  */
  13 VG_STATIC void player_audio(void)
  14 {
  15 #if 0
  16    struct player_phys *phys = &player.phys;
  17
  18    static int _air = 0;
  19
  20    int l2 = _air;
  21    _air = player_skate.activity == k_skate_activity_air;
  22
  23    static double last_revert = -2000.0;
  24
  25
  26
  27
  28    audio_lock();
  29
  30    double revert_delta = vg.time - last_revert;
  31    if( (phys->controller == k_player_controller_skate) &&
  32          (!_air && l2) && (revert_delta > 0.7) &&
  33        (player.air_time > 0.5f) )
  34    {
  35       audio_player_set_position( &audio_player_extra, phys->rb.co );
  36       audio_player_set_flags( &audio_player_extra, AUDIO_FLAG_SPACIAL_3D );
  37       audio_player_set_vol( &audio_player_extra, 2.0f );
  38
  39       if( (fabsf(phys->slip) > 0.75f) )
  40       {
  41          audio_player_playclip( &audio_player_extra, &audio_lands[rand()%2+3] );
  42       }
  43       else
  44       {
  45          audio_player_playclip( &audio_player_extra, &audio_lands[rand()%3] );
  46       }
  47
  48       last_revert = vg.time;
  49    }
  50
  51    static float air = 0.0f;
  52    air = vg_lerpf( air, player_skate.activity == k_skate_activity_air,
  53                         5.0f*vg.time_delta );
  54
  55    /* Spacial info */
  56    v3f ears = { 1.0f,0.0f,0.0f };
  57    v3f delta;
  58
  59    float *cam = main_camera.transform[3],
  60          *pos = phys->rb.co;
  61
  62    audio_player_set_position( &audio_player0, phys->rb.co );
  63    audio_player_set_position( &audio_player1, phys->rb.co );
  64    audio_player_set_position( &audio_player2, phys->rb.co );
  65    audio_player_set_position( &audio_player4, phys->rb.co );
  66    audio_player_set_position( &audio_player_gate, world.render_gate_pos );
  67    audio_player_set_vol( &audio_player_gate, 5.0f );
  68
  69    v3_sub( phys->rb.co, main_camera.transform[3], delta );
  70    v3_normalize( delta );
  71    m3x3_mulv( main_camera.transform, ears, ears );
  72
  73    /* TODO, Make function */
  74    v3_copy( ears, vg_audio.listener_ears );
  75    v3_copy( main_camera.transform[3], vg_audio.listener_pos );
  76
  77    /* Tunnel / occlusion */
  78    audio_sample_occlusion( main_camera.transform[3] );
  79
  80    int sprite_avail = -1;
  81    for( int i=0; i<vg_list_size(ambient_sprites); i++ )
  82    {
  83       if( !audio_player_is_playing( &ambient_sprites[i] ) )
  84       {
  85          sprite_avail = i;
  86          break;
  87       }
  88    }
  89
  90    if( sprite_avail != -1 )
  91    {
  92       v3f waterpos;
  93       enum audio_sprite_type sprite_type =
  94          audio_sample_sprite_random( phys->rb.co, waterpos );
  95
  96       if( sprite_type != k_audio_sprite_type_none )
  97       {
  98          audio_player *avail = &ambient_sprites[ sprite_avail ];
  99
 100          audio_player_set_vol( avail, 20.0f );
 101          audio_player_set_flags( avail, AUDIO_FLAG_SPACIAL_3D );
 102          audio_player_set_position( avail, waterpos );
 103
 104          if( sprite_type == k_audio_sprite_type_grass )
 105          {
 106             audio_player_playclip( avail, &audio_grass[rand()%4] );
 107          }
 108          else if( sprite_type == k_audio_sprite_type_water )
 109          {
 110             if( world.water.enabled )
 111                audio_player_playclip( avail, &audio_water[rand()%6] );
 112          }
 113       }
 114    }
 115
 116    if( freecam || player.is_dead ||
 117          !(phys->controller != k_player_controller_skate))
 118    {
 119       audio_player_set_vol( &audio_player0, 0.0f );
 120       audio_player_set_vol( &audio_player1, 0.0f );
 121       audio_player_set_vol( &audio_player2, 0.0f );
 122       audio_player_set_vol( &audio_player3, 0.0f );
 123       audio_player_set_vol( &audio_player4, 0.0f );
 124
 125       int walk_phase = 0;
 126       if( vg_fractf(player.walk_timer) > 0.5f )
 127          walk_phase = 1;
 128       else
 129          walk_phase = 0;
 130
 131       if( (player.step_phase != walk_phase) &&
 132             !(player_walk.activity == k_walk_activity_air) )
 133       {
 134          audio_player_set_flags( &audio_player_extra, AUDIO_FLAG_SPACIAL_3D );
 135          audio_player_set_position( &audio_player_extra, phys->rb.co );
 136          audio_player_set_vol( &audio_player_extra, 6.0f );
 137
 138          if( player.surface_prop == k_surface_prop_concrete )
 139          {
 140             audio_player_playclip(
 141               &audio_player_extra,
 142               &audio_footsteps[rand()%vg_list_size(audio_footsteps)]
 143             );
 144          }
 145          else if( player.surface_prop == k_surface_prop_grass )
 146          {
 147             audio_player_playclip(
 148               &audio_player_extra,
 149               &audio_footsteps_grass[rand()%vg_list_size(audio_footsteps_grass)]
 150             );
 151          }
 152          else if( player.surface_prop == k_surface_prop_wood )
 153          {
 154             audio_player_playclip(
 155               &audio_player_extra,
 156               &audio_footsteps_wood[rand()%vg_list_size(audio_footsteps_wood)]
 157             );
 158          }
 159       }
 160
 161       player.step_phase = walk_phase;
 162    }
 163    else
 164    {
 165       /* Composite */
 166       float speed = vg_minf(v3_length( phys->rb.v )*0.1f,1.0f),
 167             attn  = speed,
 168             slide = vg_clampf( fabsf(phys->slip), 0.0f, 1.0f ),
 169             grind = player_skate.activity == k_skate_activity_grind,
 170             vol0  = (1.0f-air)*attn*(1.0f-slide)*(1.0f-grind),
 171             vol1  =       air *attn*(1.0f-grind),
 172             vol2  = (1.0f-air)*attn*slide*(1.0f-grind),
 173             vol4  = grind*2.0f;
 174
 175       audio_player_set_vol( &audio_player0, vol0*vg.time_rate );
 176       audio_player_set_vol( &audio_player1, vol1*vg.time_rate );
 177       audio_player_set_vol( &audio_player2, vol2*vg.time_rate );
 178       audio_player_set_vol( &audio_player4, vol4*vg.time_rate );
 179
 180       float reverb_amt = vol0 * audio_occlusion_current * 0.5f;
 181
 182       audio_player_set_pan( &audio_player3, 0.0f );
 183       audio_player_set_vol( &audio_player3, reverb_amt*vg.time_rate );
 184    }
 185
 186 #if 0
 187    world_audio_update( cam, ears );
 188 #endif
 189    audio_unlock();
 190
 191    if( player_skate.activity == k_skate_activity_air )
 192       player.air_time += vg.time_delta;
 193    else
 194       player.air_time = 0.0f;
 195 #endif
 196 }
 197
 198 #endif /* PLAYER_AUDIO_H */