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 VG_STATIC void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
  61    mesh_free( &mdl->mesh );
  62    glDeleteTextures( 1, &mdl->texture );
  63 }
  64
  65 /* TODO: allow error handling */
  66 VG_STATIC void player_board_load( struct player_board *board,
  67                                   const char *path ){
  68
  69    vg_linear_clear( vg_mem.scratch );
  70
  71    mdl_context ctx;
  72    mdl_open( &ctx, path, vg_mem.scratch );
  73    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  74
  75    dynamic_model_load( &ctx, &board->mdl, path );
  76
  77    mdl_array_ptr markers;
  78    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  79
  80    /* TODO: you get put into a new section, the above is standard mdl loads. */
  81    for( int i=0; i<4; i++ )
  82       board->wheels[i].indice_count = 0;
  83    for( int i=0; i<2; i++ )
  84       board->trucks[i].indice_count = 0;
  85    board->board.indice_count = 0;
  86
  87    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  88       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  89
  90       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
  91          continue;
  92
  93       u32 index = mdl_entity_id_id( mesh->entity_id );
  94       ent_marker *marker = mdl_arritm( &markers, index );
  95
  96       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
  97
  98       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
  99       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 100           fb = marker->transform.co[2] > 0.0f? 0: 1;
 101
 102       if( !strcmp( alias, "wheel" ) ){
 103          u32 id = fb<<1 | lr;
 104          board->wheels[ id ] = *sm0;
 105          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 106       }
 107       else if( !strcmp( alias, "board" ) ){
 108          board->board = *sm0;
 109          v3_copy( marker->transform.co, board->board_position );
 110       }
 111       else if( !strcmp( alias, "truck" ) ){
 112          board->trucks[ fb ] = *sm0;
 113          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 114       }
 115    }
 116
 117    mdl_close( &ctx );
 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_model_load( struct player_model *board, const char *path){
 125    vg_linear_clear( vg_mem.scratch );
 126
 127    mdl_context ctx;
 128    mdl_open( &ctx, path, vg_mem.scratch );
 129    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 130
 131    dynamic_model_load( &ctx, &board->mdl, path );
 132
 133    mdl_close( &ctx );
 134 }
 135
 136 VG_STATIC void player_model_unload( struct player_model *board ){
 137    dynamic_model_unload( &board->mdl );
 138 }
 139
 140 VG_STATIC void player_animate( player_instance *player ){
 141    if( _player_animate[ player->subsystem ] ){
 142       player_animation res;
 143       res.type = k_player_animation_type_fk;
 144
 145       _player_animate[ player->subsystem ]( player, &res );
 146
 147       m4x3f transform;
 148       q_m3x3( res.root_q, transform );
 149       v3_copy( res.root_co, transform[3] );
 150
 151       struct skeleton *sk = &player->playeravatar->sk;
 152
 153       if( player->holdout_time > 0.0f ){
 154          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 155                                            player->holdout_time, res.pose );
 156          player->holdout_time -= vg.time_frame_delta * 2.0f;
 157       }
 158
 159       if( res.type == k_player_animation_type_fk ){
 160          skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 161          skeleton_apply_ik_pass( sk );
 162          skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 163          skeleton_apply_inverses( sk );
 164          skeleton_apply_transform( sk, transform );
 165       }
 166       else {
 167          skeleton_apply_pose( sk, res.pose, k_anim_apply_absolute );
 168       }
 169
 170       skeleton_debug( sk );
 171    }
 172
 173    if( _player_post_animate[ player->subsystem ] )
 174       _player_post_animate[ player->subsystem ]( player );
 175 }
 176
 177 VG_STATIC void player__pre_render( player_instance *player ){
 178    player->cam_override_strength = 0.0f;
 179    player_animate( player );
 180
 181    /* dev playbacker */
 182    if( k_replay_test ){
 183       f64 speed = 1.0;
 184       f64 target = player->replay.cursor;
 185
 186       if( vg_getkey( SDLK_9 ) ){
 187          target -= vg.time_frame_delta * speed;
 188          player->replay.control = k_replay_control_scrub;
 189          replay_seek( &player->replay, target );
 190       }
 191       if( vg_getkey( SDLK_0 ) ){
 192          target += vg.time_frame_delta * speed;
 193          player->replay.control = k_replay_control_scrub;
 194          replay_seek( &player->replay, target );
 195       }
 196
 197       if( vg_getkey( SDLK_7 ) )
 198          player->replay.control = k_replay_control_play;
 199
 200       if( player->replay.control == k_replay_control_play ){
 201          target += vg.time_frame_delta;
 202          replay_seek( &player->replay, target );
 203       }
 204
 205       if( vg_getkey( SDLK_8 ) ){
 206          replay_frame *prev = replay_find_recent_stateframe( &player->replay );
 207
 208          if( prev ){
 209             /* TODO: Make gamestate_apply function / swap ... */
 210             replay_gamestate *gs = replay_frame_gamestate( prev, 0 );
 211
 212             if( gs->system == k_player_subsystem_walk ){
 213                memcpy( &player->_walk.state, &gs->walk,
 214                         sizeof(struct player_walk_state) );
 215             }
 216             else if( gs->system == k_player_subsystem_skate ){
 217                memcpy( &player->_skate.state, &gs->skate,
 218                         sizeof(struct player_skate_state) );
 219             }
 220             player->subsystem = gs->system;
 221
 222             memcpy( &player->rb, &gs->rb, sizeof(rigidbody) );
 223             v3_copy( gs->angles, player->angles );
 224             v3_copy( prev->cam_pos, player->cam.pos );
 225             v3_copy( prev->cam_angles, player->cam_override_angles );
 226             player->cam.fov = prev->cam_fov;
 227             memcpy( &player->cam_control, &gs->cam_control,
 228                      sizeof(struct player_cam_controller) );
 229
 230             /* chop end off replay */
 231             prev->r = NULL;
 232             player->replay.statehead = prev;
 233             player->replay.head = prev;
 234             player->replay.cursor_frame = prev;
 235             player->replay.cursor = prev->time;
 236             vg.time = prev->time;
 237
 238             k_replay_test = 0;
 239             player__pre_render( player );
 240             return;
 241          }
 242       }
 243
 244       player_animation res;
 245       replay_frame *frame = player->replay.cursor_frame;
 246
 247       if( frame ){
 248          memcpy( &res, &frame->anim, sizeof(frame->anim) );
 249          memcpy( &frame->board_pose, &player->board_pose,
 250                  sizeof(player->board_pose) );
 251          v3_copy( frame->cam_pos, player->cam_override_pos );
 252          v3_copy( frame->cam_angles, player->cam_override_angles );
 253          player->cam_override_fov = frame->cam_fov;
 254          player->cam_override_strength = 1.0f;
 255       }
 256       else return;
 257
 258       struct skeleton *sk = &player->playeravatar->sk;
 259       skeleton_apply_pose( sk, res.pose, k_anim_apply_absolute );
 260    }
 261    else {
 262       /* replay recorder */
 263       replay_buffer *replay = &player->replay;
 264
 265       f64 delta      = 9999999.9,
 266           statedelta = 9999999.9;
 267
 268       if( replay->head )
 269          delta = vg.time - replay->head->time;
 270
 271       if( replay->statehead )
 272          statedelta = vg.time - replay->statehead->time;
 273
 274       const f64 k_replay_rate = 1.0/30.0,
 275                 k_gamestate_rate = 0.5;
 276
 277       u16 gamestates = 0;
 278       if( statedelta > k_gamestate_rate /* or switching */ ){
 279          gamestates = 1;
 280       }
 281
 282       if( (delta > k_replay_rate) || gamestates ){
 283          replay_frame *frame = replay_newframe( replay, gamestates, 0 );
 284          replay->cursor = vg.time;
 285          replay->cursor_frame = frame;
 286
 287          player_animation *res = &frame->anim;
 288          v3_zero( res->root_co );
 289          q_identity( res->root_q );
 290          res->type = k_player_animation_type_absolute;
 291
 292          struct skeleton *sk = &player->playeravatar->sk;
 293          skeleton_decompose_mtx_absolute( sk, res->pose );
 294
 295          memcpy( &frame->board_pose, &player->board_pose,
 296                   sizeof(player->board_pose) );
 297          frame->time = vg.time;
 298          v3_copy( player->cam.pos, frame->cam_pos );
 299          v3_copy( player->cam.angles, frame->cam_angles );
 300          frame->cam_fov = player->cam.fov;
 301
 302          if( gamestates ){
 303             replay_gamestate *gs = replay_frame_gamestate( frame, 0 );
 304             gs->system = player->subsystem;
 305
 306             if( player->subsystem == k_player_subsystem_walk ){
 307                memcpy( &gs->walk, &player->_walk.state,
 308                         sizeof(struct player_walk_state) );
 309             }
 310             else if( player->subsystem == k_player_subsystem_skate ){
 311                memcpy( &gs->skate, &player->_skate.state,
 312                         sizeof(struct player_skate_state) );
 313             }
 314
 315             memcpy( &gs->rb, &player->rb, sizeof(rigidbody) );
 316             memcpy( &gs->cam_control, &player->cam_control,
 317                      sizeof(struct player_cam_controller) );
 318             v3_copy( player->angles, gs->angles );
 319          }
 320       }
 321    }
 322
 323    player__cam_iterate( player );
 324
 325    /* shadowing/ao info */
 326    struct player_avatar *av = player->playeravatar;
 327    struct player_board *board =
 328       addon_cache_item_if_loaded( k_addon_type_board,
 329                                   player->board_view_slot );
 330    v3f vp0, vp1;
 331    if( board ){
 332       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 333       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 334    }
 335    else{
 336       v3_zero( vp0 );
 337       v3_zero( vp1 );
 338    }
 339
 340    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 341    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 342    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 343 }
 344
 345 VG_STATIC void render_board( camera *cam, world_instance *world,
 346                              struct player_board *board, m4x3f root,
 347                              struct board_pose *pose,
 348                              enum board_shader shader )
 349 {
 350    if( !board ) return;
 351
 352    v3f inverse;
 353
 354    glActiveTexture( GL_TEXTURE0 );
 355    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 356
 357    if( shader == k_board_shader_player ){
 358       shader_model_board_view_use();
 359       shader_model_board_view_uTexMain( 0 );
 360       shader_model_board_view_uCamera( cam->transform[3] );
 361       shader_model_board_view_uPv( cam->mtx.pv );
 362       shader_model_board_view_uTexSceneDepth( 1 );
 363       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 364
 365       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 366
 367       inverse[2] = main_camera.farz-main_camera.nearz;
 368
 369       shader_model_board_view_uInverseRatioDepth( inverse );
 370       render_fb_inverse_ratio( NULL, inverse );
 371       inverse[2] = cam->farz-cam->nearz;
 372       shader_model_board_view_uInverseRatioMain( inverse );
 373
 374       world_link_lighting_ub( world, _shader_model_board_view.id );
 375       world_bind_position_texture( world, _shader_model_board_view.id,
 376                                  _uniform_model_board_view_g_world_depth, 2 );
 377       world_bind_light_array( world, _shader_model_board_view.id,
 378                                  _uniform_model_board_view_uLightsArray, 3 );
 379       world_bind_light_index( world, _shader_model_board_view.id,
 380                                  _uniform_model_board_view_uLightsIndex, 4 );
 381    }
 382    else if( shader == k_board_shader_entity ){
 383       shader_model_entity_use();
 384       shader_model_entity_uTexMain( 0 );
 385       shader_model_entity_uCamera( cam->transform[3] );
 386       shader_model_entity_uPv( cam->mtx.pv );
 387
 388       world_link_lighting_ub( world, _shader_model_entity.id );
 389       world_bind_position_texture( world, _shader_model_entity.id,
 390                                  _uniform_model_entity_g_world_depth, 2 );
 391       world_bind_light_array( world, _shader_model_entity.id,
 392                                  _uniform_model_entity_uLightsArray, 3 );
 393       world_bind_light_index( world, _shader_model_entity.id,
 394                                  _uniform_model_entity_uLightsIndex, 4 );
 395    }
 396
 397    mesh_bind( &board->mdl.mesh );
 398
 399    m4x4f m4mdl;
 400
 401    if( board->board.indice_count ){
 402       m4x3f mlocal;
 403       m3x3_identity( mlocal );
 404
 405       mdl_keyframe kf;
 406       v3_zero( kf.co );
 407       q_identity( kf.q );
 408       v3_zero( kf.s );
 409
 410       v4f qroll;
 411       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 412       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 413                               (v3f){0.0f,0.0f,0.0f}, qroll );
 414
 415       v3_add( board->board_position, kf.co, mlocal[3] );
 416       q_m3x3( kf.q, mlocal );
 417
 418       m4x3_mul( root, mlocal, mlocal );
 419
 420       if( shader == k_board_shader_entity ){
 421          /* TODO: provide a way to supply previous mdl mtx? */
 422          m4x3_expand( mlocal, m4mdl );
 423          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 424          shader_model_entity_uPvmPrev( m4mdl );
 425          shader_model_entity_uMdl( mlocal );
 426       }
 427       else
 428          shader_model_board_view_uMdl( mlocal );
 429
 430       mdl_draw_submesh( &board->board );
 431    }
 432
 433    for( int i=0; i<2; i++ ){
 434       if( !board->trucks[i].indice_count )
 435          continue;
 436
 437       m4x3f mlocal;
 438       m3x3_identity( mlocal );
 439       v3_copy( board->truck_positions[i], mlocal[3] );
 440       m4x3_mul( root, mlocal, mlocal );
 441
 442       if( shader == k_board_shader_entity ){
 443          m4x3_expand( mlocal, m4mdl );
 444          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 445          shader_model_entity_uPvmPrev( m4mdl );
 446          shader_model_entity_uMdl( mlocal );
 447       }
 448       else
 449          shader_model_board_view_uMdl( mlocal );
 450
 451       mdl_draw_submesh( &board->trucks[i] );
 452    }
 453
 454    for( int i=0; i<4; i++ ){
 455       if( !board->wheels[i].indice_count )
 456          continue;
 457
 458       m4x3f mlocal;
 459       m3x3_identity( mlocal );
 460       v3_copy( board->wheel_positions[i], mlocal[3] );
 461       m4x3_mul( root, mlocal, mlocal );
 462
 463       if( shader == k_board_shader_entity ){
 464          m4x3_expand( mlocal, m4mdl );
 465          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 466          shader_model_entity_uPvmPrev( m4mdl );
 467          shader_model_entity_uMdl( mlocal );
 468       }
 469       else
 470          shader_model_board_view_uMdl( mlocal );
 471
 472       mdl_draw_submesh( &board->wheels[i] );
 473    }
 474 }
 475
 476 VG_STATIC void render_playermodel( camera *cam, world_instance *world,
 477                                    struct player_model *model,
 478                                    struct skeleton *skeleton ){
 479    if( !model ) return;
 480
 481    shader_model_character_view_use();
 482
 483         glActiveTexture( GL_TEXTURE0 );
 484         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 485    shader_model_character_view_uTexMain( 0 );
 486    shader_model_character_view_uCamera( cam->transform[3] );
 487    shader_model_character_view_uPv( cam->mtx.pv );
 488    shader_model_character_view_uTexSceneDepth( 1 );
 489    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 490    v3f inverse;
 491    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 492    inverse[2] = main_camera.farz-main_camera.nearz;
 493
 494    shader_model_character_view_uInverseRatioDepth( inverse );
 495    render_fb_inverse_ratio( NULL, inverse );
 496    inverse[2] = cam->farz-cam->nearz;
 497    shader_model_character_view_uInverseRatioMain( inverse );
 498
 499    world_link_lighting_ub( world, _shader_model_character_view.id );
 500    world_bind_position_texture( world, _shader_model_character_view.id,
 501                               _uniform_model_character_view_g_world_depth, 2 );
 502    world_bind_light_array( world, _shader_model_character_view.id,
 503                               _uniform_model_character_view_uLightsArray, 3 );
 504    world_bind_light_index( world, _shader_model_character_view.id,
 505                               _uniform_model_character_view_uLightsIndex, 4 );
 506
 507    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 508                          skeleton->bone_count,
 509                          0,
 510                          (float *)skeleton->final_mtx );
 511
 512    mesh_bind( &model->mdl.mesh );
 513    mesh_draw( &model->mdl.mesh );
 514 }
 515
 516 PLAYER_API void player__render( camera *cam, player_instance *player )
 517 {
 518    world_instance *world = world_current_instance();
 519    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 520
 521    struct player_model *model =
 522       addon_cache_item_if_loaded( k_addon_type_player,
 523                                   player->playermodel_view_slot );
 524
 525    if( !model ) model = &player->fallback_model;
 526    render_playermodel( cam, world, model, &player->playeravatar->sk );
 527
 528    struct player_board *board =
 529       addon_cache_item_if_loaded( k_addon_type_board,
 530                                   player->board_view_slot );
 531
 532    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 533                                     player->playeravatar->id_board],
 534                                     &player->board_pose,
 535                                     k_board_shader_player );
 536
 537    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 538 }
 539
 540 #endif /* PLAYER_RENDER_C */