player_render.c

   1 #ifndef PLAYER_RENDER_C
   2 #define PLAYER_RENDER_C
   3
   4 #include "player.h"
   5 #include "player_render.h"
   6 #include "camera.h"
   7 #include "player_model.h"
   8 #include "ent_skateshop.h"
   9 #include "audio.h"
  10
  11 #include "shaders/model_character_view.h"
  12 #include "shaders/model_board_view.h"
  13 #include "shaders/model_entity.h"
  14
  15 VG_STATIC void player_avatar_load( struct player_avatar *av, const char *path )
  16 {
  17    mdl_open( &av->meta, path, vg_mem.rtmemory );
  18    mdl_load_metadata_block( &av->meta, vg_mem.rtmemory );
  19    mdl_load_animation_block( &av->meta, vg_mem.rtmemory );
  20    mdl_close( &av->meta );
  21
  22    struct skeleton *sk = &av->sk;
  23    skeleton_setup( sk, vg_mem.rtmemory, &av->meta );
  24
  25    av->id_hip        = skeleton_bone_id( sk, "hips" );
  26    av->id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  27    av->id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  28    av->id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  29    av->id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  30    av->id_head       = skeleton_bone_id( sk, "head" );
  31    av->id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  32    av->id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  33    av->id_board      = skeleton_bone_id( sk, "board" );
  34    av->id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  35    av->id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  36    av->id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  37    av->id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  38 }
  39
  40 /* TODO: Standard model load */
  41
  42 VG_STATIC void dynamic_model_load( mdl_context *ctx,
  43                                    struct dynamic_model_1texture *mdl,
  44                                    const char *path )
  45 {
  46    if( !mdl_arrcount( &ctx->textures ) )
  47       vg_fatal_error( "No texture in model" );
  48
  49    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  50    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  51    mdl_fread_pack_file( ctx, &tex0->file, data );
  52
  53    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  54                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  55                             &mdl->texture );
  56
  57    mdl_async_load_glmesh( ctx, &mdl->mesh );
  58 }
  59
  60 /* TODO: allow error handling */
  61 VG_STATIC void player_board_load( struct player_board *board,
  62                                   const char *path ){
  63
  64    vg_linear_clear( vg_mem.scratch );
  65
  66    mdl_context ctx;
  67    mdl_open( &ctx, path, vg_mem.scratch );
  68    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  69
  70    dynamic_model_load( &ctx, &board->mdl, path );
  71
  72    mdl_array_ptr markers;
  73    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  74
  75    /* TODO: you get put into a new section, the above is standard mdl loads. */
  76    for( int i=0; i<4; i++ )
  77       board->wheels[i].indice_count = 0;
  78    for( int i=0; i<2; i++ )
  79       board->trucks[i].indice_count = 0;
  80    board->board.indice_count = 0;
  81
  82    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  83       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  84
  85       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
  86          continue;
  87
  88       u32 index = mdl_entity_id_id( mesh->entity_id );
  89       ent_marker *marker = mdl_arritm( &markers, index );
  90
  91       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
  92
  93       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
  94       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
  95           fb = marker->transform.co[2] > 0.0f? 0: 1;
  96
  97       if( !strcmp( alias, "wheel" ) ){
  98          u32 id = fb<<1 | lr;
  99          board->wheels[ id ] = *sm0;
 100          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 101       }
 102       else if( !strcmp( alias, "board" ) ){
 103          board->board = *sm0;
 104          v3_copy( marker->transform.co, board->board_position );
 105       }
 106       else if( !strcmp( alias, "truck" ) ){
 107          board->trucks[ fb ] = *sm0;
 108          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 109       }
 110    }
 111
 112    mdl_close( &ctx );
 113 }
 114
 115 VG_STATIC void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
 116    mesh_free( &mdl->mesh );
 117    glDeleteTextures( 1, &mdl->texture );
 118 }
 119
 120 VG_STATIC void player_board_unload( struct player_board *board ){
 121    dynamic_model_unload( &board->mdl );
 122 }
 123
 124 VG_STATIC void player__pre_render( player_instance *player )
 125 {
 126    if( _player_animate[ player->subsystem ] ){
 127       player_animation res;
 128       _player_animate[ player->subsystem ]( player, &res );
 129
 130       m4x3f transform;
 131       q_m3x3( res.root_q, transform );
 132       v3_copy( res.root_co, transform[3] );
 133
 134       struct skeleton *sk = &player->playeravatar->sk;
 135
 136       if( player->holdout_time > 0.0f ){
 137          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 138                                            player->holdout_time, res.pose );
 139          player->holdout_time -= vg.time_frame_delta * 2.0f;
 140       }
 141
 142       skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 143       skeleton_apply_ik_pass( sk );
 144       skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 145       skeleton_apply_inverses( sk );
 146       skeleton_apply_transform( sk, transform );
 147
 148       skeleton_debug( sk );
 149    }
 150
 151    if( _player_post_animate[ player->subsystem ] )
 152       _player_post_animate[ player->subsystem ]( player );
 153
 154    struct player_avatar *av = player->playeravatar;
 155    struct player_board *board =
 156       addon_cache_item_if_loaded( k_workshop_file_type_board,
 157                                   player->board_view_slot );
 158
 159    v3f vp0, vp1;
 160
 161    if( board ){
 162       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 163       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 164    }
 165    else{
 166       v3_zero( vp0 );
 167       v3_zero( vp1 );
 168    }
 169
 170    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 171    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 172    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 173
 174    if( player->immobile ){
 175       player__cam_iterate( player );
 176       return;
 177    }
 178
 179    if( player->rewinding ){
 180       if( player->rewind_time <= 0.0f ){
 181          double taken = vg.time - player->rewind_start;
 182          vg_success( "Rewind took (rt, pt, tl): %f, %f, %f\n",
 183                            taken, player->rewind_predicted_time,
 184                            player->rewind_total_length );
 185
 186          player->rewinding = 0;
 187          player->rewind_length = 1;
 188          player->rewind_total_length = 0.0f;
 189          player->rewind_accum = 0.0f;
 190          world_render.sky_target_rate = 1.0;
 191          world_static.time = world_static.last_use;
 192       }
 193       else{
 194          world_render.sky_target_rate = -100.0;
 195
 196          float budget         = vg.time_delta,
 197                overall_length = player->rewind_length;
 198
 199          for( int i=0; (i<10)&&(player->rewind_time>0.0f)&&(budget>0.0f); i++ ){
 200             /* Interpolate frames */
 201             int i0 = floorf( player->rewind_time ),
 202                 i1 = VG_MIN( i0+1, player->rewind_length-1 );
 203
 204             struct rewind_frame *fr =  &player->rewind_buffer[i0],
 205                                 *fr1 = &player->rewind_buffer[i1];
 206
 207             float dist = vg_maxf( v3_dist( fr->pos, fr1->pos ), 0.001f ),
 208                   subl = vg_fractf( player->rewind_time ) + 0.001f,
 209
 210                   sramp = 3.0f-(1.0f/(0.4f+0.4f*player->rewind_time)),
 211                   speed = sramp*28.0f + 0.5f*player->rewind_time,
 212                   mod  = speed * (budget / dist),
 213
 214                   advl = vg_minf( mod, subl ),
 215                   advt = (advl / mod) * budget;
 216
 217             player->dist_accum += speed * advt;
 218             player->rewind_time -= advl;
 219             budget -= advt;
 220          }
 221
 222          player->rewind_time = vg_maxf( 0.0f, player->rewind_time );
 223
 224          float current_time = vg.time - player->rewind_start,
 225                remaining    = player->rewind_predicted_time - current_time;
 226
 227          if( player->rewind_sound_wait ){
 228             if( player->rewind_predicted_time >= 6.5f ){
 229                if( remaining <= 6.5f ){
 230                   audio_lock();
 231                   audio_oneshot( &audio_rewind[3], 1.0f, 0.0f );
 232                   audio_unlock();
 233                   player->rewind_sound_wait = 0;
 234                }
 235             }
 236             else if( player->rewind_predicted_time >= 2.5f ){
 237                if( remaining <= 2.5f ){
 238                   audio_lock();
 239                   audio_oneshot( &audio_rewind[2], 1.0f, 0.0f );
 240                   audio_unlock();
 241                   player->rewind_sound_wait = 0;
 242                }
 243             }
 244             else if( player->rewind_predicted_time >= 1.5f ){
 245                if( remaining <= 1.5f ){
 246                   audio_lock();
 247                   audio_oneshot( &audio_rewind[1], 1.0f, 0.0f );
 248                   audio_unlock();
 249                   player->rewind_sound_wait = 0;
 250                }
 251             }
 252          }
 253
 254          int i0 = floorf( player->rewind_time ),
 255              i1 = VG_MIN( i0+1, player->rewind_length-1 );
 256
 257          struct rewind_frame *fr =  &player->rewind_buffer[i0],
 258                              *fr1 = &player->rewind_buffer[i1];
 259
 260          float sub = vg_fractf(player->rewind_time);
 261
 262          v3_lerp( fr->pos, fr1->pos, sub, player->cam_override_pos );
 263          player->cam_override_angles[0] =
 264             vg_alerpf( fr->ang[0], fr1->ang[0], sub );
 265          player->cam_override_angles[1] =
 266             vg_lerpf ( fr->ang[1], fr1->ang[1], sub );
 267          player->cam_override_fov = player->cam.fov;
 268
 269          float blend = player->rewind_time * 0.25f;
 270          player->cam_override_strength = vg_clampf( blend, 0.0f, 1.0f );
 271       }
 272    }
 273    else player->cam_override_strength = 0.0f;
 274
 275    player__cam_iterate( player );
 276 }
 277
 278 VG_STATIC void render_board( camera *cam, world_instance *world,
 279                              struct player_board *board, m4x3f root,
 280                              enum board_shader shader )
 281 {
 282    if( !board ) return;
 283
 284    v3f inverse;
 285
 286    glActiveTexture( GL_TEXTURE0 );
 287    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 288
 289    if( shader == k_board_shader_player ){
 290       shader_model_board_view_use();
 291       shader_model_board_view_uTexMain( 0 );
 292       shader_model_board_view_uCamera( cam->transform[3] );
 293       shader_model_board_view_uPv( cam->mtx.pv );
 294       shader_model_board_view_uTexSceneDepth( 1 );
 295       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 296
 297       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 298
 299       inverse[2] = main_camera.farz-main_camera.nearz;
 300
 301       shader_model_board_view_uInverseRatioDepth( inverse );
 302       render_fb_inverse_ratio( NULL, inverse );
 303       inverse[2] = cam->farz-cam->nearz;
 304       shader_model_board_view_uInverseRatioMain( inverse );
 305
 306       world_link_lighting_ub( world, _shader_model_board_view.id );
 307       world_bind_position_texture( world, _shader_model_board_view.id,
 308                                  _uniform_model_board_view_g_world_depth, 2 );
 309       world_bind_light_array( world, _shader_model_board_view.id,
 310                                  _uniform_model_board_view_uLightsArray, 3 );
 311       world_bind_light_index( world, _shader_model_board_view.id,
 312                                  _uniform_model_board_view_uLightsIndex, 4 );
 313    }
 314    else if( shader == k_board_shader_entity ){
 315       shader_model_entity_use();
 316       shader_model_entity_uTexMain( 0 );
 317       shader_model_entity_uCamera( cam->transform[3] );
 318       shader_model_entity_uPv( cam->mtx.pv );
 319
 320       world_link_lighting_ub( world, _shader_model_entity.id );
 321       world_bind_position_texture( world, _shader_model_entity.id,
 322                                  _uniform_model_entity_g_world_depth, 2 );
 323       world_bind_light_array( world, _shader_model_entity.id,
 324                                  _uniform_model_entity_uLightsArray, 3 );
 325       world_bind_light_index( world, _shader_model_entity.id,
 326                                  _uniform_model_entity_uLightsIndex, 4 );
 327    }
 328
 329    mesh_bind( &board->mdl.mesh );
 330
 331    m4x4f m4mdl;
 332
 333    if( board->board.indice_count ){
 334       m4x3f mlocal;
 335       m3x3_identity( mlocal );
 336       v3_copy( board->board_position, mlocal[3] );
 337       m4x3_mul( root, mlocal, mlocal );
 338
 339       if( shader == k_board_shader_entity ){
 340          /* TODO: provide a way to supply previous mdl mtx? */
 341          m4x3_expand( mlocal, m4mdl );
 342          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 343          shader_model_entity_uPvmPrev( m4mdl );
 344          shader_model_entity_uMdl( mlocal );
 345       }
 346       else
 347          shader_model_board_view_uMdl( mlocal );
 348
 349       mdl_draw_submesh( &board->board );
 350    }
 351
 352    for( int i=0; i<2; i++ ){
 353       if( !board->trucks[i].indice_count )
 354          continue;
 355
 356       m4x3f mlocal;
 357       m3x3_identity( mlocal );
 358       v3_copy( board->truck_positions[i], mlocal[3] );
 359       m4x3_mul( root, mlocal, mlocal );
 360
 361       if( shader == k_board_shader_entity ){
 362          m4x3_expand( mlocal, m4mdl );
 363          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 364          shader_model_entity_uPvmPrev( m4mdl );
 365          shader_model_entity_uMdl( mlocal );
 366       }
 367       else
 368          shader_model_board_view_uMdl( mlocal );
 369
 370       mdl_draw_submesh( &board->trucks[i] );
 371    }
 372
 373    for( int i=0; i<4; i++ ){
 374       if( !board->wheels[i].indice_count )
 375          continue;
 376
 377       m4x3f mlocal;
 378       m3x3_identity( mlocal );
 379       v3_copy( board->wheel_positions[i], mlocal[3] );
 380       m4x3_mul( root, mlocal, mlocal );
 381
 382       if( shader == k_board_shader_entity ){
 383          m4x3_expand( mlocal, m4mdl );
 384          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 385          shader_model_entity_uPvmPrev( m4mdl );
 386          shader_model_entity_uMdl( mlocal );
 387       }
 388       else
 389          shader_model_board_view_uMdl( mlocal );
 390
 391       mdl_draw_submesh( &board->wheels[i] );
 392    }
 393 }
 394
 395 VG_STATIC void render_playermodel( camera *cam, world_instance *world,
 396                                    struct player_model *model,
 397                                    struct skeleton *skeleton ){
 398    if( !model ) return;
 399
 400    shader_model_character_view_use();
 401
 402         glActiveTexture( GL_TEXTURE0 );
 403         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 404    shader_model_character_view_uTexMain( 0 );
 405    shader_model_character_view_uCamera( cam->transform[3] );
 406    shader_model_character_view_uPv( cam->mtx.pv );
 407    shader_model_character_view_uTexSceneDepth( 1 );
 408    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 409    v3f inverse;
 410    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 411    inverse[2] = main_camera.farz-main_camera.nearz;
 412
 413    shader_model_character_view_uInverseRatioDepth( inverse );
 414    render_fb_inverse_ratio( NULL, inverse );
 415    inverse[2] = cam->farz-cam->nearz;
 416    shader_model_character_view_uInverseRatioMain( inverse );
 417
 418    world_link_lighting_ub( world, _shader_model_character_view.id );
 419    world_bind_position_texture( world, _shader_model_character_view.id,
 420                               _uniform_model_character_view_g_world_depth, 2 );
 421    world_bind_light_array( world, _shader_model_character_view.id,
 422                               _uniform_model_character_view_uLightsArray, 3 );
 423    world_bind_light_index( world, _shader_model_character_view.id,
 424                               _uniform_model_character_view_uLightsIndex, 4 );
 425
 426    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 427                          skeleton->bone_count,
 428                          0,
 429                          (float *)skeleton->final_mtx );
 430
 431    mesh_bind( &model->mdl.mesh );
 432    mesh_draw( &model->mdl.mesh );
 433 }
 434
 435 PLAYER_API void player__render( camera *cam, player_instance *player )
 436 {
 437    world_instance *world = world_current_instance();
 438    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 439
 440    struct player_model *model =
 441       addon_cache_item_if_loaded( k_workshop_file_type_player,
 442                                   player->playermodel_view_slot );
 443    render_playermodel( cam, world, model, &player->playeravatar->sk );
 444
 445    struct player_board *board =
 446       addon_cache_item_if_loaded( k_workshop_file_type_board,
 447                                   player->board_view_slot );
 448    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 449                                        player->playeravatar->id_board],
 450                                        k_board_shader_player );
 451
 452    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 453 }
 454
 455 #endif /* PLAYER_RENDER_C */