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