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 #include "input.h"
  11
  12 #include "shaders/model_character_view.h"
  13 #include "shaders/model_board_view.h"
  14 #include "shaders/model_entity.h"
  15 #include "shaders/model_board_view.h"
  16 #include "depth_compare.h"
  17
  18 #include "network.h"
  19 #include "player_remote.h"
  20
  21 static void player_load_animation_reference( const char *path ){
  22    mdl_context *meta = &localplayer.skeleton_meta;
  23    mdl_open( meta, path, vg_mem.rtmemory );
  24    mdl_load_metadata_block( meta, vg_mem.rtmemory );
  25    mdl_load_animation_block( meta, vg_mem.rtmemory );
  26    mdl_close( meta );
  27
  28    struct skeleton *sk = &localplayer.skeleton;
  29    skeleton_setup( sk, vg_mem.rtmemory, meta );
  30
  31    localplayer.id_hip        = skeleton_bone_id( sk, "hips" );
  32    localplayer.id_chest      = skeleton_bone_id( sk, "chest" );
  33    localplayer.id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  34    localplayer.id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  35    localplayer.id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  36    localplayer.id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  37    localplayer.id_head       = skeleton_bone_id( sk, "head" );
  38    localplayer.id_foot_l  = skeleton_bone_id( sk, "foot.L" );
  39    localplayer.id_foot_r  = skeleton_bone_id( sk, "foot.R" );
  40    localplayer.id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  41    localplayer.id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  42    localplayer.id_board      = skeleton_bone_id( sk, "board" );
  43    localplayer.id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  44    localplayer.id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  45    localplayer.id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  46    localplayer.id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  47    localplayer.id_eyes       = skeleton_bone_id( sk, "eyes" );
  48
  49    for( i32 i=0; i<sk->bone_count; i ++ ){
  50       localplayer.skeleton_mirror[i] = 0;
  51    }
  52
  53    for( i32 i=1; i<sk->bone_count-1; i ++ ){
  54       struct skeleton_bone *si = &sk->bones[i];
  55
  56       char tmp[64];
  57       vg_str str;
  58       vg_strnull( &str, tmp, 64 );
  59       vg_strcat( &str, si->name );
  60
  61       char *L = vg_strch( &str, 'L' );
  62       if( !L ) continue;
  63       u32 len = L-tmp;
  64
  65       for( i32 j=i+1; j<sk->bone_count; j ++ ){
  66          struct skeleton_bone *sj = &sk->bones[j];
  67
  68          if( !strncmp( si->name, sj->name, len ) ){
  69             if( sj->name[len] == 'R' ){
  70                localplayer.skeleton_mirror[i] = j;
  71                localplayer.skeleton_mirror[j] = i;
  72                break;
  73             }
  74          }
  75       }
  76    }
  77
  78    setup_ragdoll_from_skeleton( sk, &localplayer.ragdoll );
  79
  80    /* allocate matrix buffers for localplayer and remote players */
  81    u32 mtx_size = sizeof(m4x3f)*sk->bone_count;
  82    localplayer.final_mtx = vg_linear_alloc( vg_mem.rtmemory, mtx_size );
  83    netplayers.final_mtx = vg_linear_alloc( vg_mem.rtmemory,
  84                                            mtx_size*NETWORK_MAX_PLAYERS );
  85 }
  86
  87 /* TODO: Standard model load */
  88
  89 static void dynamic_model_load( mdl_context *ctx,
  90                                 struct dynamic_model_1texture *mdl,
  91                                 const char *path, u32 *fixup_table ){
  92    if( !mdl_arrcount( &ctx->textures ) )
  93       vg_fatal_error( "No texture in model" );
  94
  95    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  96    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  97    mdl_fread_pack_file( ctx, &tex0->file, data );
  98
  99    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 100                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
 101                             &mdl->texture );
 102
 103    mdl_async_load_glmesh( ctx, &mdl->mesh, fixup_table );
 104 }
 105
 106 static void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
 107    mesh_free( &mdl->mesh );
 108    glDeleteTextures( 1, &mdl->texture );
 109 }
 110
 111 /* TODO: allow error handling */
 112 static void player_board_load( struct player_board *board,
 113                                   const char *path ){
 114
 115    vg_linear_clear( vg_mem.scratch );
 116
 117    mdl_context ctx;
 118    mdl_open( &ctx, path, vg_mem.scratch );
 119    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 120
 121    dynamic_model_load( &ctx, &board->mdl, path, NULL );
 122
 123    mdl_array_ptr markers;
 124    MDL_LOAD_ARRAY( &ctx, &markers, ent_marker, vg_mem.scratch );
 125
 126    /* TODO: you get put into a new section, the above is standard mdl loads. */
 127    for( int i=0; i<4; i++ )
 128       board->wheels[i].indice_count = 0;
 129    for( int i=0; i<2; i++ )
 130       board->trucks[i].indice_count = 0;
 131    board->board.indice_count = 0;
 132
 133    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
 134       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
 135
 136       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 137          continue;
 138
 139       u32 index = mdl_entity_id_id( mesh->entity_id );
 140       ent_marker *marker = mdl_arritm( &markers, index );
 141
 142       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 143
 144       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 145       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 146           fb = marker->transform.co[2] > 0.0f? 0: 1;
 147
 148       if( !strcmp( alias, "wheel" ) ){
 149          u32 id = fb<<1 | lr;
 150          board->wheels[ id ] = *sm0;
 151          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 152       }
 153       else if( !strcmp( alias, "board" ) ){
 154          board->board = *sm0;
 155          v3_copy( marker->transform.co, board->board_position );
 156       }
 157       else if( !strcmp( alias, "truck" ) ){
 158          board->trucks[ fb ] = *sm0;
 159          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 160       }
 161    }
 162
 163    mdl_close( &ctx );
 164 }
 165
 166 static void player_board_unload( struct player_board *board ){
 167    dynamic_model_unload( &board->mdl );
 168 }
 169
 170 static void player_model_load( struct player_model *board, const char *path){
 171    vg_linear_clear( vg_mem.scratch );
 172
 173    mdl_context ctx;
 174    mdl_open( &ctx, path, vg_mem.scratch );
 175    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 176
 177    if( !ctx.armatures.count )
 178       vg_fatal_error( "No armature in playermodel\n" );
 179
 180    mdl_armature *armature = mdl_arritm( &ctx.armatures, 0 );
 181
 182    u32 fixup_table[ armature->bone_count+1 ];
 183    for( u32 i=0; i<armature->bone_count+1; i ++ )
 184       fixup_table[i] = 0;
 185
 186    for( u32 i=1; i<localplayer.skeleton.bone_count; i ++ ){
 187       struct skeleton_bone *sb = &localplayer.skeleton.bones[i];
 188       u32 hash = vg_strdjb2( sb->name );
 189
 190       for( u32 j=1; j<armature->bone_count; j ++ ){
 191          mdl_bone *bone = mdl_arritm( &ctx.bones, armature->bone_start+j );
 192
 193          if( mdl_pstreq( &ctx, bone->pstr_name, sb->name, hash ) ){
 194             fixup_table[j+1] = i;
 195             break;
 196          }
 197       }
 198    }
 199
 200    dynamic_model_load( &ctx, &board->mdl, path, fixup_table );
 201    mdl_close( &ctx );
 202 }
 203
 204 static void player_model_unload( struct player_model *board ){
 205    dynamic_model_unload( &board->mdl );
 206 }
 207
 208 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 209                                       m4x3f *final_mtx ){
 210    m4x3f transform;
 211    q_m3x3( pose->root_q, transform );
 212    v3_copy( pose->root_co, transform[3] );
 213
 214    if( pose->type == k_player_pose_type_ik ){
 215       skeleton_apply_pose( sk, pose->keyframes,
 216                            k_anim_apply_defer_ik, final_mtx );
 217       skeleton_apply_ik_pass( sk, final_mtx );
 218       skeleton_apply_pose( sk, pose->keyframes,
 219                            k_anim_apply_deffered_only, final_mtx );
 220       skeleton_apply_inverses( sk, final_mtx );
 221       skeleton_apply_transform( sk, transform, final_mtx );
 222    }
 223    else if( pose->type == k_player_pose_type_fk_2 ){
 224       skeleton_apply_pose( sk, pose->keyframes,
 225                            k_anim_apply_always, final_mtx );
 226       skeleton_apply_inverses( sk, final_mtx );
 227       skeleton_apply_transform( sk, transform, final_mtx );
 228    }
 229 }
 230
 231 static void player__animate(void){
 232    struct player_subsystem_interface *sys =
 233       player_subsystems[localplayer.subsystem];
 234
 235    struct player_board *board =
 236       addon_cache_item_if_loaded( k_addon_type_board,
 237                                   localplayer.board_view_slot );
 238
 239    assert( sys->animate );
 240    assert( sys->pose );
 241    assert( sys->animator_data );
 242
 243    sys->animate();
 244
 245    player_pose *pose = &localplayer.pose;
 246    sys->pose( sys->animator_data, pose );
 247
 248    struct skeleton *sk = &localplayer.skeleton;
 249
 250    if( localplayer.holdout_time > 0.0f ){
 251       skeleton_lerp_pose( sk,
 252                           pose->keyframes,localplayer.holdout_pose.keyframes,
 253                           localplayer.holdout_time, pose->keyframes );
 254
 255       v3_muladds( pose->root_co, localplayer.holdout_pose.root_co,
 256                   localplayer.holdout_time, pose->root_co );
 257       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 258                localplayer.holdout_time, pose->root_q );
 259
 260       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 261    }
 262
 263    effect_blink_apply( &localplayer.effect_data.blink,
 264                        &localplayer.pose, vg.time_delta );
 265    apply_full_skeleton_pose( sk, &localplayer.pose, localplayer.final_mtx );
 266
 267    if( sys->effects ){
 268       sys->effects( sys->animator_data, localplayer.final_mtx, board,
 269                     &localplayer.effect_data );
 270    }
 271
 272    skeleton_debug( sk, localplayer.final_mtx );
 273
 274    if( sys->post_animate )
 275       sys->post_animate();
 276
 277    player__cam_iterate();
 278 }
 279
 280 static void player_copy_frame_animator( replay_frame *frame ){
 281    struct player_subsystem_interface *sys =
 282       player_subsystems[localplayer.subsystem];
 283
 284    if( sys->animator_size ){
 285       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 286       memcpy( sys->animator_data, src, sys->animator_size );
 287    }
 288 }
 289
 290 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 291                               player_pose *posed ){
 292    struct skeleton *sk = &localplayer.skeleton;
 293
 294    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 295    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 296    posed->type = pose0->type;
 297    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 298
 299    if( pose0->type != pose1->type ){
 300       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 301       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 302    }
 303    else {
 304       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 305                           posed->keyframes );
 306    }
 307 }
 308
 309 static void player__animate_from_replay( replay_buffer *replay ){
 310    replay_frame *frame = replay->cursor_frame,
 311                 *next = NULL;
 312    if( frame ){
 313       next = frame->r;
 314
 315       if( next ){
 316          f32 t = replay_subframe_time( replay );
 317
 318          player_pose pose0, pose1;
 319
 320          struct player_subsystem_interface
 321             *sys0 = player_subsystems[frame->system],
 322             *sys1 = player_subsystems[next->system];
 323
 324          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 325               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 326
 327          sys0->pose( a0, &pose0 );
 328          sys1->pose( a1, &pose1 );
 329
 330          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 331       }
 332       else{
 333          struct player_subsystem_interface
 334             *sys = player_subsystems[frame->system];
 335          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 336                      &localplayer.pose );
 337       }
 338    }
 339    else return;
 340
 341    apply_full_skeleton_pose( &localplayer.skeleton, &localplayer.pose,
 342                              localplayer.final_mtx );
 343 }
 344
 345 static void player__pre_render(void){
 346    /* shadowing/ao info */
 347    struct player_board *board =
 348       addon_cache_item_if_loaded( k_addon_type_board,
 349                                   localplayer.board_view_slot );
 350    v3f vp0, vp1;
 351    if( board ){
 352       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 353       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 354    }
 355    else{
 356       v3_zero( vp0 );
 357       v3_zero( vp1 );
 358    }
 359
 360    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 361    v3f *board_mtx = localplayer.final_mtx[ localplayer.id_board ];
 362    m4x3_mulv( board_mtx, vp0, ubo->g_board_0 );
 363    m4x3_mulv( board_mtx, vp1, ubo->g_board_1 );
 364 }
 365
 366 static void render_board( camera *cam, world_instance *world,
 367                           struct player_board *board, m4x3f root,
 368                           struct player_board_pose *pose,
 369                           enum board_shader shader )
 370 {
 371    if( !board )
 372       board = &localplayer.fallback_board;
 373
 374    /* TODO:
 375     *  adding depth compare to this shader
 376     */
 377
 378    v3f inverse;
 379
 380    glActiveTexture( GL_TEXTURE0 );
 381    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 382
 383    if( shader == k_board_shader_player ){
 384       shader_model_board_view_use();
 385       shader_model_board_view_uTexMain( 0 );
 386       shader_model_board_view_uCamera( cam->transform[3] );
 387       shader_model_board_view_uPv( cam->mtx.pv );
 388
 389       shader_model_board_view_uDepthCompare(1);
 390       depth_compare_bind(
 391          shader_model_board_view_uTexSceneDepth,
 392          shader_model_board_view_uInverseRatioDepth,
 393          shader_model_board_view_uInverseRatioMain,
 394          cam );
 395
 396       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_board_view );
 397    }
 398    else if( shader == k_board_shader_entity ){
 399       shader_model_entity_use();
 400       shader_model_entity_uTexMain( 0 );
 401       shader_model_entity_uCamera( cam->transform[3] );
 402       shader_model_entity_uPv( cam->mtx.pv );
 403
 404       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_entity );
 405    }
 406
 407    mesh_bind( &board->mdl.mesh );
 408
 409    m4x4f m4mdl;
 410
 411    if( board->board.indice_count ){
 412       m4x3f mlocal;
 413       m3x3_identity( mlocal );
 414
 415       mdl_keyframe kf;
 416       v3_zero( kf.co );
 417       q_identity( kf.q );
 418       v3_zero( kf.s );
 419
 420       v4f qroll;
 421       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 422       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 423                               (v3f){0.0f,0.0f,0.0f}, qroll );
 424
 425       v3_add( board->board_position, kf.co, mlocal[3] );
 426       q_m3x3( kf.q, mlocal );
 427
 428       m4x3_mul( root, mlocal, mlocal );
 429
 430       if( shader == k_board_shader_entity ){
 431          /* TODO: provide a way to supply previous mdl mtx? */
 432          m4x3_expand( mlocal, m4mdl );
 433          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 434          shader_model_entity_uPvmPrev( m4mdl );
 435          shader_model_entity_uMdl( mlocal );
 436       }
 437       else
 438          shader_model_board_view_uMdl( mlocal );
 439
 440       mdl_draw_submesh( &board->board );
 441    }
 442
 443    for( int i=0; i<2; i++ ){
 444       if( !board->trucks[i].indice_count )
 445          continue;
 446
 447       m4x3f mlocal;
 448       m3x3_identity( mlocal );
 449       v3_copy( board->truck_positions[i], mlocal[3] );
 450       m4x3_mul( root, mlocal, mlocal );
 451
 452       if( shader == k_board_shader_entity ){
 453          m4x3_expand( mlocal, m4mdl );
 454          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 455          shader_model_entity_uPvmPrev( m4mdl );
 456          shader_model_entity_uMdl( mlocal );
 457       }
 458       else
 459          shader_model_board_view_uMdl( mlocal );
 460
 461       mdl_draw_submesh( &board->trucks[i] );
 462    }
 463
 464    for( int i=0; i<4; i++ ){
 465       if( !board->wheels[i].indice_count )
 466          continue;
 467
 468       m4x3f mlocal;
 469       m3x3_identity( mlocal );
 470       v3_copy( board->wheel_positions[i], mlocal[3] );
 471       m4x3_mul( root, mlocal, mlocal );
 472
 473       if( shader == k_board_shader_entity ){
 474          m4x3_expand( mlocal, m4mdl );
 475          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 476          shader_model_entity_uPvmPrev( m4mdl );
 477          shader_model_entity_uMdl( mlocal );
 478       }
 479       else
 480          shader_model_board_view_uMdl( mlocal );
 481
 482       mdl_draw_submesh( &board->wheels[i] );
 483    }
 484 }
 485
 486 static void render_playermodel( camera *cam, world_instance *world,
 487                                 int depth_compare,
 488                                 struct player_model *model,
 489                                 struct skeleton *skeleton,
 490                                 m4x3f *final_mtx ){
 491    if( !model ) return;
 492
 493    shader_model_character_view_use();
 494
 495         glActiveTexture( GL_TEXTURE0 );
 496         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 497    shader_model_character_view_uTexMain( 0 );
 498    shader_model_character_view_uCamera( cam->transform[3] );
 499    shader_model_character_view_uPv( cam->mtx.pv );
 500
 501    shader_model_character_view_uDepthCompare( depth_compare );
 502    if( depth_compare ){
 503       depth_compare_bind(
 504          shader_model_character_view_uTexSceneDepth,
 505          shader_model_character_view_uInverseRatioDepth,
 506          shader_model_character_view_uInverseRatioMain,
 507          cam );
 508    }
 509
 510    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 511
 512    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 513                          skeleton->bone_count,
 514                          0,
 515                          (const GLfloat *)final_mtx );
 516
 517    mesh_bind( &model->mdl.mesh );
 518    mesh_draw( &model->mdl.mesh );
 519 }
 520
 521 static void player__render( camera *cam ){
 522    world_instance *world = world_current_instance();
 523    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 524
 525    struct player_model *model =
 526       addon_cache_item_if_loaded( k_addon_type_player,
 527                                   localplayer.playermodel_view_slot );
 528
 529    if( !model ) model = &localplayer.fallback_model;
 530    render_playermodel( cam, world, 1, model, &localplayer.skeleton,
 531                        localplayer.final_mtx );
 532
 533    struct player_board *board =
 534       addon_cache_item_if_loaded( k_addon_type_board,
 535                                   localplayer.board_view_slot );
 536
 537    render_board( cam, world, board, localplayer.final_mtx[localplayer.id_board],
 538                   &localplayer.pose.board, k_board_shader_player );
 539
 540    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 541 }
 542
 543 #endif /* PLAYER_RENDER_C */