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_world      = skeleton_bone_id( sk, "world" );
  32    localplayer.id_hip        = skeleton_bone_id( sk, "hips" );
  33    localplayer.id_chest      = skeleton_bone_id( sk, "chest" );
  34    localplayer.id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  35    localplayer.id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  36    localplayer.id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  37    localplayer.id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  38    localplayer.id_head       = skeleton_bone_id( sk, "head" );
  39    localplayer.id_foot_l  = skeleton_bone_id( sk, "foot.L" );
  40    localplayer.id_foot_r  = skeleton_bone_id( sk, "foot.R" );
  41    localplayer.id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  42    localplayer.id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  43    localplayer.id_board      = skeleton_bone_id( sk, "board" );
  44    localplayer.id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  45    localplayer.id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  46    localplayer.id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  47    localplayer.id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  48    localplayer.id_eyes       = skeleton_bone_id( sk, "eyes" );
  49
  50    for( i32 i=0; i<sk->bone_count; i ++ ){
  51       localplayer.skeleton_mirror[i] = 0;
  52    }
  53
  54    for( i32 i=1; i<sk->bone_count-1; i ++ ){
  55       struct skeleton_bone *si = &sk->bones[i];
  56
  57       char tmp[64];
  58       vg_str str;
  59       vg_strnull( &str, tmp, 64 );
  60       vg_strcat( &str, si->name );
  61
  62       char *L = vg_strch( &str, 'L' );
  63       if( !L ) continue;
  64       u32 len = L-tmp;
  65
  66       for( i32 j=i+1; j<sk->bone_count; j ++ ){
  67          struct skeleton_bone *sj = &sk->bones[j];
  68
  69          if( !strncmp( si->name, sj->name, len ) ){
  70             if( sj->name[len] == 'R' ){
  71                localplayer.skeleton_mirror[i] = j;
  72                localplayer.skeleton_mirror[j] = i;
  73                break;
  74             }
  75          }
  76       }
  77    }
  78
  79    setup_ragdoll_from_skeleton( sk, &localplayer.ragdoll );
  80
  81    /* allocate matrix buffers for localplayer and remote players */
  82    u32 mtx_size = sizeof(m4x3f)*sk->bone_count;
  83    localplayer.final_mtx = vg_linear_alloc( vg_mem.rtmemory, mtx_size );
  84    netplayers.final_mtx = vg_linear_alloc( vg_mem.rtmemory,
  85                                            mtx_size*NETWORK_MAX_PLAYERS );
  86 }
  87
  88 /* TODO: Standard model load */
  89
  90 static void dynamic_model_load( mdl_context *ctx,
  91                                 struct dynamic_model_1texture *mdl,
  92                                 const char *path, u32 *fixup_table ){
  93    if( !mdl_arrcount( &ctx->textures ) )
  94       vg_fatal_error( "No texture in model" );
  95
  96    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  97    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  98    mdl_fread_pack_file( ctx, &tex0->file, data );
  99
 100    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 101                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
 102                             &mdl->texture );
 103
 104    mdl_async_load_glmesh( ctx, &mdl->mesh, fixup_table );
 105 }
 106
 107 static void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
 108    mesh_free( &mdl->mesh );
 109    glDeleteTextures( 1, &mdl->texture );
 110 }
 111
 112 /* TODO: allow error handling */
 113 static void player_board_load( struct player_board *board,
 114                                   const char *path ){
 115
 116    vg_linear_clear( vg_mem.scratch );
 117
 118    mdl_context ctx;
 119    mdl_open( &ctx, path, vg_mem.scratch );
 120    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 121
 122    dynamic_model_load( &ctx, &board->mdl, path, NULL );
 123
 124    mdl_array_ptr markers;
 125    MDL_LOAD_ARRAY( &ctx, &markers, ent_marker, vg_mem.scratch );
 126
 127    /* TODO: you get put into a new section, the above is standard mdl loads. */
 128    for( int i=0; i<4; i++ )
 129       board->wheels[i].indice_count = 0;
 130    for( int i=0; i<2; i++ )
 131       board->trucks[i].indice_count = 0;
 132    board->board.indice_count = 0;
 133
 134    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
 135       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
 136
 137       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 138          continue;
 139
 140       u32 index = mdl_entity_id_id( mesh->entity_id );
 141       ent_marker *marker = mdl_arritm( &markers, index );
 142
 143       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 144
 145       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 146       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 147           fb = marker->transform.co[2] > 0.0f? 0: 1;
 148
 149       if( !strcmp( alias, "wheel" ) ){
 150          u32 id = fb<<1 | lr;
 151          board->wheels[ id ] = *sm0;
 152          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 153       }
 154       else if( !strcmp( alias, "board" ) ){
 155          board->board = *sm0;
 156          v3_copy( marker->transform.co, board->board_position );
 157       }
 158       else if( !strcmp( alias, "truck" ) ){
 159          board->trucks[ fb ] = *sm0;
 160          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 161       }
 162    }
 163
 164    mdl_close( &ctx );
 165 }
 166
 167 static void player_board_unload( struct player_board *board ){
 168    dynamic_model_unload( &board->mdl );
 169 }
 170
 171 static void player_model_load( struct player_model *board, const char *path){
 172    vg_linear_clear( vg_mem.scratch );
 173
 174    mdl_context ctx;
 175    mdl_open( &ctx, path, vg_mem.scratch );
 176    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 177
 178    if( !ctx.armatures.count )
 179       vg_fatal_error( "No armature in playermodel\n" );
 180
 181    mdl_armature *armature = mdl_arritm( &ctx.armatures, 0 );
 182
 183    u32 fixup_table[ armature->bone_count+1 ];
 184    for( u32 i=0; i<armature->bone_count+1; i ++ )
 185       fixup_table[i] = 0;
 186
 187    for( u32 i=1; i<localplayer.skeleton.bone_count; i ++ ){
 188       struct skeleton_bone *sb = &localplayer.skeleton.bones[i];
 189       u32 hash = vg_strdjb2( sb->name );
 190
 191       for( u32 j=1; j<armature->bone_count; j ++ ){
 192          mdl_bone *bone = mdl_arritm( &ctx.bones, armature->bone_start+j );
 193
 194          if( mdl_pstreq( &ctx, bone->pstr_name, sb->name, hash ) ){
 195             fixup_table[j+1] = i;
 196             break;
 197          }
 198       }
 199    }
 200
 201    dynamic_model_load( &ctx, &board->mdl, path, fixup_table );
 202    mdl_close( &ctx );
 203 }
 204
 205 static void player_model_unload( struct player_model *board ){
 206    dynamic_model_unload( &board->mdl );
 207 }
 208
 209 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 210                                       m4x3f *final_mtx ){
 211    m4x3f transform;
 212    q_m3x3( pose->root_q, transform );
 213    v3_copy( pose->root_co, transform[3] );
 214
 215    if( pose->type == k_player_pose_type_ik ){
 216       skeleton_apply_pose( sk, pose->keyframes,
 217                            k_anim_apply_defer_ik, final_mtx );
 218       skeleton_apply_ik_pass( sk, final_mtx );
 219       skeleton_apply_pose( sk, pose->keyframes,
 220                            k_anim_apply_deffered_only, final_mtx );
 221       skeleton_apply_inverses( sk, final_mtx );
 222       skeleton_apply_transform( sk, transform, final_mtx );
 223    }
 224    else if( pose->type == k_player_pose_type_fk_2 ){
 225       skeleton_apply_pose( sk, pose->keyframes,
 226                            k_anim_apply_always, final_mtx );
 227       skeleton_apply_inverses( sk, final_mtx );
 228       skeleton_apply_transform( sk, transform, final_mtx );
 229    }
 230 }
 231
 232 static void player__animate(void){
 233    struct player_subsystem_interface *sys =
 234       player_subsystems[localplayer.subsystem];
 235
 236    struct player_board *board =
 237       addon_cache_item_if_loaded( k_addon_type_board,
 238                                   localplayer.board_view_slot );
 239
 240    assert( sys->animate );
 241    assert( sys->pose );
 242    assert( sys->animator_data );
 243
 244    sys->animate();
 245
 246    player_pose *pose = &localplayer.pose;
 247    sys->pose( sys->animator_data, pose );
 248
 249    struct skeleton *sk = &localplayer.skeleton;
 250
 251    if( localplayer.holdout_time > 0.0f ){
 252       skeleton_lerp_pose( sk,
 253                           pose->keyframes,localplayer.holdout_pose.keyframes,
 254                           localplayer.holdout_time, pose->keyframes );
 255
 256       v3_muladds( pose->root_co, localplayer.holdout_pose.root_co,
 257                   localplayer.holdout_time, pose->root_co );
 258       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 259                localplayer.holdout_time, pose->root_q );
 260
 261       localplayer.holdout_time -= vg.time_frame_delta / 0.25f;
 262    }
 263
 264    effect_blink_apply( &localplayer.effect_data.blink,
 265                        &localplayer.pose, vg.time_delta );
 266    apply_full_skeleton_pose( sk, &localplayer.pose, localplayer.final_mtx );
 267
 268    if( sys->effects ){
 269       sys->effects( sys->animator_data, localplayer.final_mtx, board,
 270                     &localplayer.effect_data );
 271    }
 272
 273    skeleton_debug( sk, localplayer.final_mtx );
 274
 275    if( sys->post_animate )
 276       sys->post_animate();
 277
 278    player__observe_system( localplayer.subsystem );
 279    if( sys->sfx_comp )
 280       sys->sfx_comp( sys->animator_data );
 281
 282    player__cam_iterate();
 283 }
 284
 285 static void player_copy_frame_animator( replay_frame *frame ){
 286    struct player_subsystem_interface *sys =
 287       player_subsystems[localplayer.subsystem];
 288
 289    if( sys->animator_size ){
 290       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 291       memcpy( sys->animator_data, src, sys->animator_size );
 292    }
 293 }
 294
 295 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 296                               player_pose *posed ){
 297    struct skeleton *sk = &localplayer.skeleton;
 298
 299    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 300    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 301    posed->type = pose0->type;
 302    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 303
 304    if( pose0->type != pose1->type ){
 305       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 306       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 307    }
 308    else {
 309       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 310                           posed->keyframes );
 311    }
 312 }
 313
 314 static void player__observe_system( enum player_subsystem id ){
 315    if( id != localplayer.observing_system ){
 316       struct player_subsystem_interface *sysm1 =
 317          player_subsystems[ localplayer.observing_system ];
 318
 319       if( sysm1->sfx_kill ) sysm1->sfx_kill();
 320       localplayer.observing_system = id;
 321    }
 322 }
 323
 324 static void player__animate_from_replay( replay_buffer *replay ){
 325    replay_frame *frame = replay->cursor_frame,
 326                 *next = NULL;
 327    if( frame ){
 328       next = frame->r;
 329
 330       struct player_subsystem_interface
 331          *sys0 = player_subsystems[frame->system];
 332       void *a0 = replay_frame_data( frame, k_replay_framedata_animator );
 333
 334       struct replay_glider_data
 335          *g0 = replay_frame_data( frame, k_replay_framedata_glider ),
 336          *g1;
 337
 338       f32 t = 0.0f;
 339
 340       if( next ){
 341          t = replay_subframe_time( replay );
 342
 343          player_pose pose0, pose1;
 344
 345          struct player_subsystem_interface
 346             *sys1 = player_subsystems[next->system];
 347          void *a1 = replay_frame_data( next, k_replay_framedata_animator );
 348
 349          sys0->pose( a0, &pose0 );
 350          sys1->pose( a1, &pose1 );
 351
 352          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 353          g1 = replay_frame_data( next,  k_replay_framedata_glider );
 354       }
 355       else{
 356          sys0->pose( a0, &localplayer.pose );
 357          g1 = NULL;
 358       }
 359
 360       player__observe_system( frame->system );
 361       if( sys0->sfx_comp )
 362          sys0->sfx_comp( a0 );
 363
 364       if( g0 ){
 365          if( g0->glider_orphan ){
 366             if( g1 ){
 367                v3_lerp( g0->co, g1->co, t, player_glide.rb.co );
 368                q_nlerp( g0->q,  g1->q,  t, player_glide.rb.q );
 369             }
 370             else {
 371                v3_copy( g0->co, player_glide.rb.co );
 372                v4_copy( g0->q,  player_glide.rb.q );
 373             }
 374
 375             rb_update_matrices( &player_glide.rb );
 376          }
 377
 378          if( g1 )
 379             player_glide.t = vg_lerpf( g0->t, g1->t, t );
 380          else
 381             player_glide.t = g0->t;
 382
 383          localplayer.have_glider   = g0->have_glider;
 384          localplayer.glider_orphan = g0->glider_orphan;
 385       }
 386       else /* no glider data in g1, or edge case we dont care about */ {
 387          localplayer.have_glider = 0;
 388          localplayer.glider_orphan = 0;
 389          player_glide.t = 0.0f;
 390       }
 391    }
 392    else return;
 393
 394    apply_full_skeleton_pose( &localplayer.skeleton, &localplayer.pose,
 395                              localplayer.final_mtx );
 396 }
 397
 398 static void player__pre_render(void){
 399    /* shadowing/ao info */
 400    struct player_board *board =
 401       addon_cache_item_if_loaded( k_addon_type_board,
 402                                   localplayer.board_view_slot );
 403    v3f vp0, vp1;
 404    if( board ){
 405       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 406       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 407    }
 408    else{
 409       v3_zero( vp0 );
 410       v3_zero( vp1 );
 411    }
 412
 413    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 414    v3f *board_mtx = localplayer.final_mtx[ localplayer.id_board ];
 415    m4x3_mulv( board_mtx, vp0, ubo->g_board_0 );
 416    m4x3_mulv( board_mtx, vp1, ubo->g_board_1 );
 417 }
 418
 419 static void render_board( camera *cam, world_instance *world,
 420                           struct player_board *board, m4x3f root,
 421                           struct player_board_pose *pose,
 422                           enum board_shader shader )
 423 {
 424    if( !board )
 425       board = &localplayer.fallback_board;
 426
 427    /* TODO:
 428     *  adding depth compare to this shader
 429     */
 430
 431    v3f inverse;
 432
 433    glActiveTexture( GL_TEXTURE0 );
 434    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 435
 436    if( shader == k_board_shader_player ){
 437       shader_model_board_view_use();
 438       shader_model_board_view_uTexMain( 0 );
 439       shader_model_board_view_uCamera( cam->transform[3] );
 440       shader_model_board_view_uPv( cam->mtx.pv );
 441
 442       shader_model_board_view_uDepthCompare(1);
 443       depth_compare_bind(
 444          shader_model_board_view_uTexSceneDepth,
 445          shader_model_board_view_uInverseRatioDepth,
 446          shader_model_board_view_uInverseRatioMain,
 447          cam );
 448
 449       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_board_view );
 450    }
 451    else if( shader == k_board_shader_entity ){
 452       shader_model_entity_use();
 453       shader_model_entity_uTexMain( 0 );
 454       shader_model_entity_uCamera( cam->transform[3] );
 455       shader_model_entity_uPv( cam->mtx.pv );
 456
 457       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_entity );
 458    }
 459
 460    mesh_bind( &board->mdl.mesh );
 461
 462    m4x4f m4mdl;
 463
 464    if( board->board.indice_count ){
 465       m4x3f mlocal;
 466       m3x3_identity( mlocal );
 467
 468       mdl_keyframe kf;
 469       v3_zero( kf.co );
 470       q_identity( kf.q );
 471       v3_zero( kf.s );
 472
 473       v4f qroll;
 474       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 475       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 476                               (v3f){0.0f,0.0f,0.0f}, qroll );
 477
 478       v3_add( board->board_position, kf.co, mlocal[3] );
 479       q_m3x3( kf.q, mlocal );
 480
 481       m4x3_mul( root, mlocal, mlocal );
 482
 483       if( shader == k_board_shader_entity ){
 484          /* TODO: provide a way to supply previous mdl mtx? */
 485          m4x3_expand( mlocal, m4mdl );
 486          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 487          shader_model_entity_uPvmPrev( m4mdl );
 488          shader_model_entity_uMdl( mlocal );
 489       }
 490       else
 491          shader_model_board_view_uMdl( mlocal );
 492
 493       mdl_draw_submesh( &board->board );
 494    }
 495
 496    for( int i=0; i<2; i++ ){
 497       if( !board->trucks[i].indice_count )
 498          continue;
 499
 500       m4x3f mlocal;
 501       m3x3_identity( mlocal );
 502       v3_copy( board->truck_positions[i], mlocal[3] );
 503       m4x3_mul( root, mlocal, mlocal );
 504
 505       if( shader == k_board_shader_entity ){
 506          m4x3_expand( mlocal, m4mdl );
 507          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 508          shader_model_entity_uPvmPrev( m4mdl );
 509          shader_model_entity_uMdl( mlocal );
 510       }
 511       else
 512          shader_model_board_view_uMdl( mlocal );
 513
 514       mdl_draw_submesh( &board->trucks[i] );
 515    }
 516
 517    for( int i=0; i<4; i++ ){
 518       if( !board->wheels[i].indice_count )
 519          continue;
 520
 521       m4x3f mlocal;
 522       m3x3_identity( mlocal );
 523       v3_copy( board->wheel_positions[i], mlocal[3] );
 524       m4x3_mul( root, mlocal, mlocal );
 525
 526       if( shader == k_board_shader_entity ){
 527          m4x3_expand( mlocal, m4mdl );
 528          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 529          shader_model_entity_uPvmPrev( m4mdl );
 530          shader_model_entity_uMdl( mlocal );
 531       }
 532       else
 533          shader_model_board_view_uMdl( mlocal );
 534
 535       mdl_draw_submesh( &board->wheels[i] );
 536    }
 537 }
 538
 539 static void render_playermodel( camera *cam, world_instance *world,
 540                                 int depth_compare,
 541                                 struct player_model *model,
 542                                 struct skeleton *skeleton,
 543                                 m4x3f *final_mtx ){
 544    if( !model ) return;
 545
 546    shader_model_character_view_use();
 547
 548         glActiveTexture( GL_TEXTURE0 );
 549         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 550    shader_model_character_view_uTexMain( 0 );
 551    shader_model_character_view_uCamera( cam->transform[3] );
 552    shader_model_character_view_uPv( cam->mtx.pv );
 553
 554    shader_model_character_view_uDepthCompare( depth_compare );
 555    if( depth_compare ){
 556       depth_compare_bind(
 557          shader_model_character_view_uTexSceneDepth,
 558          shader_model_character_view_uInverseRatioDepth,
 559          shader_model_character_view_uInverseRatioMain,
 560          cam );
 561    }
 562
 563    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 564
 565    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 566                          skeleton->bone_count,
 567                          0,
 568                          (const GLfloat *)final_mtx );
 569
 570    mesh_bind( &model->mdl.mesh );
 571    mesh_draw( &model->mdl.mesh );
 572 }
 573
 574 static void player__render( camera *cam ){
 575    world_instance *world = world_current_instance();
 576    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 577
 578    struct player_model *model =
 579       addon_cache_item_if_loaded( k_addon_type_player,
 580                                   localplayer.playermodel_view_slot );
 581
 582    if( !model ) model = &localplayer.fallback_model;
 583    render_playermodel( cam, world, 1, model, &localplayer.skeleton,
 584                        localplayer.final_mtx );
 585
 586    struct player_board *board =
 587       addon_cache_item_if_loaded( k_addon_type_board,
 588                                   localplayer.board_view_slot );
 589
 590    render_board( cam, world, board, localplayer.final_mtx[localplayer.id_board],
 591                   &localplayer.pose.board, k_board_shader_player );
 592
 593    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 594
 595    player_glide_render( cam, world, &localplayer.pose );
 596 }
 597
 598 static void player_mirror_pose( mdl_keyframe pose[32],
 599                                 mdl_keyframe mirrored[32] ){
 600    mdl_keyframe temp[32];
 601
 602    struct skeleton *sk = &localplayer.skeleton;
 603    for( u32 i=1; i<sk->bone_count; i ++ ){
 604       mdl_keyframe *dest = &temp[i-1];
 605       u8 mapping = localplayer.skeleton_mirror[i];
 606
 607       if( mapping ) *dest = pose[mapping-1]; /* R */
 608       else          *dest = pose[i-1];       /* L */
 609
 610       dest->co[2] *= -1.0f;
 611       dest->q[0] *= -1.0f;
 612       dest->q[1] *= -1.0f;
 613    }
 614
 615    for( u32 i=0; i<sk->bone_count-1; i ++ ){
 616       mirrored[i] = temp[i];
 617    }
 618 }
 619 #endif /* PLAYER_RENDER_C */