player_render.c

   1 #include "player.h"
   2 #include "player_render.h"
   3 #include "vg/vg_camera.h"
   4 #include "player_model.h"
   5 #include "ent_skateshop.h"
   6 #include "audio.h"
   7 #include "input.h"
   8
   9 #include "shaders/model_character_view.h"
  10 #include "shaders/model_board_view.h"
  11 #include "shaders/model_entity.h"
  12 #include "shaders/model_board_view.h"
  13 #include "depth_compare.h"
  14
  15 #include "network.h"
  16 #include "player_remote.h"
  17 #include "player_glide.h"
  18
  19 void player_load_animation_reference( const char *path )
  20 {
  21    mdl_context *meta = &localplayer.skeleton_meta;
  22    mdl_open( meta, path, vg_mem.rtmemory );
  23    mdl_load_metadata_block( meta, vg_mem.rtmemory );
  24    mdl_load_animation_block( meta, vg_mem.rtmemory );
  25    mdl_close( meta );
  26
  27    struct skeleton *sk = &localplayer.skeleton;
  28    skeleton_setup( sk, vg_mem.rtmemory, meta );
  29
  30    localplayer.id_world      = skeleton_bone_id( sk, "world" );
  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    netplayers.glider_mtx = vg_linear_alloc( vg_mem.rtmemory,
  86                                             sizeof(m4x3f)*NETWORK_MAX_PLAYERS );
  87 }
  88
  89 /* TODO: Standard model load */
  90
  91 void dynamic_model_load( mdl_context *ctx,
  92                          struct dynamic_model_1texture *mdl,
  93                          const char *path, u32 *fixup_table )
  94 {
  95    if( !mdl_arrcount( &ctx->textures ) )
  96       vg_fatal_error( "No texture in model" );
  97
  98    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  99    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
 100    mdl_fread_pack_file( ctx, &tex0->file, data );
 101
 102    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 103                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
 104                             &mdl->texture );
 105
 106    mdl_async_load_glmesh( ctx, &mdl->mesh, fixup_table );
 107 }
 108
 109 void dynamic_model_unload( struct dynamic_model_1texture *mdl )
 110 {
 111    mesh_free( &mdl->mesh );
 112    glDeleteTextures( 1, &mdl->texture );
 113 }
 114
 115 /* TODO: allow error handling */
 116 void player_board_load( struct player_board *board, const char *path )
 117 {
 118    vg_linear_clear( vg_mem.scratch );
 119
 120    mdl_context ctx;
 121    mdl_open( &ctx, path, vg_mem.scratch );
 122    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 123
 124    dynamic_model_load( &ctx, &board->mdl, path, NULL );
 125
 126    mdl_array_ptr markers;
 127    MDL_LOAD_ARRAY( &ctx, &markers, ent_marker, vg_mem.scratch );
 128
 129    /* TODO: you get put into a new section, the above is standard mdl loads. */
 130    for( int i=0; i<4; i++ )
 131       board->wheels[i].indice_count = 0;
 132    for( int i=0; i<2; i++ )
 133       board->trucks[i].indice_count = 0;
 134    board->board.indice_count = 0;
 135
 136    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
 137       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
 138
 139       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 140          continue;
 141
 142       u32 index = mdl_entity_id_id( mesh->entity_id );
 143       ent_marker *marker = mdl_arritm( &markers, index );
 144
 145       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 146
 147       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 148       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 149           fb = marker->transform.co[2] > 0.0f? 0: 1;
 150
 151       if( !strcmp( alias, "wheel" ) ){
 152          u32 id = fb<<1 | lr;
 153          board->wheels[ id ] = *sm0;
 154          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 155       }
 156       else if( !strcmp( alias, "board" ) ){
 157          board->board = *sm0;
 158          v3_copy( marker->transform.co, board->board_position );
 159       }
 160       else if( !strcmp( alias, "truck" ) ){
 161          board->trucks[ fb ] = *sm0;
 162          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 163       }
 164    }
 165
 166    mdl_close( &ctx );
 167 }
 168
 169 void player_board_unload( struct player_board *board )
 170 {
 171    dynamic_model_unload( &board->mdl );
 172 }
 173
 174 void player_model_load( struct player_model *board, const char *path)
 175 {
 176    vg_linear_clear( vg_mem.scratch );
 177
 178    mdl_context ctx;
 179    mdl_open( &ctx, path, vg_mem.scratch );
 180    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 181
 182    if( !ctx.armatures.count )
 183       vg_fatal_error( "No armature in playermodel\n" );
 184
 185    mdl_armature *armature = mdl_arritm( &ctx.armatures, 0 );
 186
 187    u32 fixup_table[ armature->bone_count+1 ];
 188    for( u32 i=0; i<armature->bone_count+1; i ++ )
 189       fixup_table[i] = 0;
 190
 191    for( u32 i=1; i<localplayer.skeleton.bone_count; i ++ ){
 192       struct skeleton_bone *sb = &localplayer.skeleton.bones[i];
 193       u32 hash = vg_strdjb2( sb->name );
 194
 195       for( u32 j=1; j<armature->bone_count; j ++ ){
 196          mdl_bone *bone = mdl_arritm( &ctx.bones, armature->bone_start+j );
 197
 198          if( mdl_pstreq( &ctx, bone->pstr_name, sb->name, hash ) ){
 199             fixup_table[j+1] = i;
 200             break;
 201          }
 202       }
 203    }
 204
 205    dynamic_model_load( &ctx, &board->mdl, path, fixup_table );
 206    mdl_close( &ctx );
 207 }
 208
 209 void player_model_unload( struct player_model *board )
 210 {
 211    dynamic_model_unload( &board->mdl );
 212 }
 213
 214 void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 215                                m4x3f *final_mtx ){
 216    m4x3f transform;
 217    q_m3x3( pose->root_q, transform );
 218    v3_copy( pose->root_co, transform[3] );
 219
 220    if( pose->type == k_player_pose_type_ik ){
 221       skeleton_apply_pose( sk, pose->keyframes,
 222                            k_anim_apply_defer_ik, final_mtx );
 223       skeleton_apply_ik_pass( sk, final_mtx );
 224       skeleton_apply_pose( sk, pose->keyframes,
 225                            k_anim_apply_deffered_only, final_mtx );
 226       skeleton_apply_inverses( sk, final_mtx );
 227       skeleton_apply_transform( sk, transform, final_mtx );
 228    }
 229    else if( pose->type == k_player_pose_type_fk_2 ){
 230       skeleton_apply_pose( sk, pose->keyframes,
 231                            k_anim_apply_always, final_mtx );
 232       skeleton_apply_inverses( sk, final_mtx );
 233       skeleton_apply_transform( sk, transform, final_mtx );
 234    }
 235 }
 236
 237 void player__animate(void)
 238 {
 239    struct player_subsystem_interface *sys =
 240       player_subsystems[localplayer.subsystem];
 241
 242    struct player_board *board =
 243       addon_cache_item_if_loaded( k_addon_type_board,
 244                                   localplayer.board_view_slot );
 245
 246    sys->animate();
 247
 248    player_pose *pose = &localplayer.pose;
 249    sys->pose( sys->animator_data, pose );
 250
 251    struct skeleton *sk = &localplayer.skeleton;
 252
 253    if( localplayer.holdout_time > 0.0f ){
 254       skeleton_lerp_pose( sk,
 255                           pose->keyframes,localplayer.holdout_pose.keyframes,
 256                           localplayer.holdout_time, pose->keyframes );
 257
 258       v3_muladds( pose->root_co, localplayer.holdout_pose.root_co,
 259                   localplayer.holdout_time, pose->root_co );
 260       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 261                localplayer.holdout_time, pose->root_q );
 262
 263       localplayer.holdout_time -= vg.time_frame_delta / 0.25f;
 264    }
 265
 266    effect_blink_apply( &localplayer.effect_data.blink,
 267                        &localplayer.pose, vg.time_delta );
 268    apply_full_skeleton_pose( sk, &localplayer.pose, localplayer.final_mtx );
 269
 270    if( sys->effects ){
 271       sys->effects( sys->animator_data, localplayer.final_mtx, board,
 272                     &localplayer.effect_data );
 273    }
 274
 275    skeleton_debug( sk, localplayer.final_mtx );
 276
 277    if( sys->post_animate )
 278       sys->post_animate();
 279
 280    player__observe_system( localplayer.subsystem );
 281    if( sys->sfx_comp )
 282       sys->sfx_comp( sys->animator_data );
 283
 284    player__cam_iterate();
 285 }
 286
 287 static void player_copy_frame_animator( replay_frame *frame ){
 288    struct player_subsystem_interface *sys =
 289       player_subsystems[localplayer.subsystem];
 290
 291    if( sys->animator_size ){
 292       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 293       memcpy( sys->animator_data, src, sys->animator_size );
 294    }
 295 }
 296
 297 void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 298                        player_pose *posed ){
 299    struct skeleton *sk = &localplayer.skeleton;
 300
 301    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 302    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 303    posed->type = pose0->type;
 304    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 305
 306    if( pose0->type != pose1->type ){
 307       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 308       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 309    }
 310    else {
 311       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 312                           posed->keyframes );
 313    }
 314 }
 315
 316 void player__observe_system( enum player_subsystem id )
 317 {
 318    if( id != localplayer.observing_system ){
 319       struct player_subsystem_interface *sysm1 =
 320          player_subsystems[ localplayer.observing_system ];
 321
 322       if( sysm1->sfx_kill ) sysm1->sfx_kill();
 323       localplayer.observing_system = id;
 324    }
 325 }
 326
 327 void player__animate_from_replay( replay_buffer *replay )
 328 {
 329    replay_frame *frame = replay->cursor_frame,
 330                 *next = NULL;
 331    if( frame ){
 332       next = frame->r;
 333
 334       struct player_subsystem_interface
 335          *sys0 = player_subsystems[frame->system];
 336       void *a0 = replay_frame_data( frame, k_replay_framedata_animator );
 337
 338       struct replay_glider_data
 339          *g0 = replay_frame_data( frame, k_replay_framedata_glider ),
 340          *g1;
 341
 342       f32 t = 0.0f;
 343
 344       if( next ){
 345          t = replay_subframe_time( replay );
 346
 347          player_pose pose0, pose1;
 348
 349          struct player_subsystem_interface
 350             *sys1 = player_subsystems[next->system];
 351          void *a1 = replay_frame_data( next, k_replay_framedata_animator );
 352
 353          sys0->pose( a0, &pose0 );
 354          sys1->pose( a1, &pose1 );
 355
 356          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 357          g1 = replay_frame_data( next,  k_replay_framedata_glider );
 358       }
 359       else{
 360          sys0->pose( a0, &localplayer.pose );
 361          g1 = NULL;
 362       }
 363
 364       player__observe_system( frame->system );
 365       if( sys0->sfx_comp )
 366          sys0->sfx_comp( a0 );
 367
 368       if( g0 ){
 369          if( g0->glider_orphan ){
 370             if( g1 ){
 371                v3_lerp( g0->co, g1->co, t, player_glide.rb.co );
 372                q_nlerp( g0->q,  g1->q,  t, player_glide.rb.q );
 373             }
 374             else {
 375                v3_copy( g0->co, player_glide.rb.co );
 376                v4_copy( g0->q,  player_glide.rb.q );
 377             }
 378
 379             rb_update_matrices( &player_glide.rb );
 380          }
 381
 382          if( g1 )
 383             player_glide.t = vg_lerpf( g0->t, g1->t, t );
 384          else
 385             player_glide.t = g0->t;
 386
 387          localplayer.have_glider   = g0->have_glider;
 388          localplayer.glider_orphan = g0->glider_orphan;
 389       }
 390       else /* no glider data in g1, or edge case we dont care about */ {
 391          localplayer.have_glider = 0;
 392          localplayer.glider_orphan = 0;
 393          player_glide.t = 0.0f;
 394       }
 395    }
 396    else return;
 397
 398    apply_full_skeleton_pose( &localplayer.skeleton, &localplayer.pose,
 399                              localplayer.final_mtx );
 400 }
 401
 402 void player__pre_render(void)
 403 {
 404    /* shadowing/ao info */
 405    struct player_board *board =
 406       addon_cache_item_if_loaded( k_addon_type_board,
 407                                   localplayer.board_view_slot );
 408    v3f vp0, vp1;
 409    if( board ){
 410       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 411       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 412    }
 413    else{
 414       v3_zero( vp0 );
 415       v3_zero( vp1 );
 416    }
 417
 418    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 419    v3f *board_mtx = localplayer.final_mtx[ localplayer.id_board ];
 420    m4x3_mulv( board_mtx, vp0, ubo->g_board_0 );
 421    m4x3_mulv( board_mtx, vp1, ubo->g_board_1 );
 422 }
 423
 424 void render_board( vg_camera *cam, world_instance *world,
 425                    struct player_board *board, m4x3f root,
 426                    struct player_board_pose *pose,
 427                    enum board_shader shader )
 428 {
 429    if( !board )
 430       board = &localplayer.fallback_board;
 431
 432    /* TODO:
 433     *  adding depth compare to this shader
 434     */
 435
 436    v3f inverse;
 437
 438    glActiveTexture( GL_TEXTURE0 );
 439    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 440
 441    if( shader == k_board_shader_player ){
 442       shader_model_board_view_use();
 443       shader_model_board_view_uTexMain( 0 );
 444       shader_model_board_view_uCamera( cam->transform[3] );
 445       shader_model_board_view_uPv( cam->mtx.pv );
 446
 447       shader_model_board_view_uDepthCompare(1);
 448       depth_compare_bind(
 449          shader_model_board_view_uTexSceneDepth,
 450          shader_model_board_view_uInverseRatioDepth,
 451          shader_model_board_view_uInverseRatioMain,
 452          cam );
 453
 454       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_board_view );
 455    }
 456    else if( shader == k_board_shader_entity ){
 457       shader_model_entity_use();
 458       shader_model_entity_uTexMain( 0 );
 459       shader_model_entity_uCamera( cam->transform[3] );
 460       shader_model_entity_uPv( cam->mtx.pv );
 461
 462       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_entity );
 463    }
 464
 465    mesh_bind( &board->mdl.mesh );
 466
 467    m4x4f m4mdl;
 468
 469    if( board->board.indice_count ){
 470       m4x3f mlocal;
 471       m3x3_identity( mlocal );
 472
 473       mdl_keyframe kf;
 474       v3_zero( kf.co );
 475       q_identity( kf.q );
 476       v3_zero( kf.s );
 477
 478       v4f qroll;
 479       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 480       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 481                               (v3f){0.0f,0.0f,0.0f}, qroll );
 482
 483       v3_add( board->board_position, kf.co, mlocal[3] );
 484       q_m3x3( kf.q, mlocal );
 485
 486       m4x3_mul( root, mlocal, mlocal );
 487
 488       if( shader == k_board_shader_entity ){
 489          /* TODO: provide a way to supply previous mdl mtx? */
 490          m4x3_expand( mlocal, m4mdl );
 491          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 492          shader_model_entity_uPvmPrev( m4mdl );
 493          shader_model_entity_uMdl( mlocal );
 494       }
 495       else
 496          shader_model_board_view_uMdl( mlocal );
 497
 498       mdl_draw_submesh( &board->board );
 499    }
 500
 501    for( int i=0; i<2; i++ ){
 502       if( !board->trucks[i].indice_count )
 503          continue;
 504
 505       m4x3f mlocal;
 506       m3x3_identity( mlocal );
 507       v3_copy( board->truck_positions[i], mlocal[3] );
 508       m4x3_mul( root, mlocal, mlocal );
 509
 510       if( shader == k_board_shader_entity ){
 511          m4x3_expand( mlocal, m4mdl );
 512          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 513          shader_model_entity_uPvmPrev( m4mdl );
 514          shader_model_entity_uMdl( mlocal );
 515       }
 516       else
 517          shader_model_board_view_uMdl( mlocal );
 518
 519       mdl_draw_submesh( &board->trucks[i] );
 520    }
 521
 522    for( int i=0; i<4; i++ ){
 523       if( !board->wheels[i].indice_count )
 524          continue;
 525
 526       m4x3f mlocal;
 527       m3x3_identity( mlocal );
 528       v3_copy( board->wheel_positions[i], mlocal[3] );
 529       m4x3_mul( root, mlocal, mlocal );
 530
 531       if( shader == k_board_shader_entity ){
 532          m4x3_expand( mlocal, m4mdl );
 533          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 534          shader_model_entity_uPvmPrev( m4mdl );
 535          shader_model_entity_uMdl( mlocal );
 536       }
 537       else
 538          shader_model_board_view_uMdl( mlocal );
 539
 540       mdl_draw_submesh( &board->wheels[i] );
 541    }
 542 }
 543
 544 void render_playermodel( vg_camera *cam, world_instance *world,
 545                          int depth_compare,
 546                          struct player_model *model,
 547                          struct skeleton *skeleton,
 548                          m4x3f *final_mtx )
 549 {
 550    if( !model ) return;
 551
 552    shader_model_character_view_use();
 553
 554         glActiveTexture( GL_TEXTURE0 );
 555         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 556    shader_model_character_view_uTexMain( 0 );
 557    shader_model_character_view_uCamera( cam->transform[3] );
 558    shader_model_character_view_uPv( cam->mtx.pv );
 559
 560    shader_model_character_view_uDepthCompare( depth_compare );
 561    if( depth_compare ){
 562       depth_compare_bind(
 563          shader_model_character_view_uTexSceneDepth,
 564          shader_model_character_view_uInverseRatioDepth,
 565          shader_model_character_view_uInverseRatioMain,
 566          cam );
 567    }
 568
 569    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 570
 571    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 572                          skeleton->bone_count,
 573                          0,
 574                          (const GLfloat *)final_mtx );
 575
 576    mesh_bind( &model->mdl.mesh );
 577    mesh_draw( &model->mdl.mesh );
 578 }
 579
 580 void player__render( vg_camera *cam )
 581 {
 582    world_instance *world = world_current_instance();
 583    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 584
 585    struct player_model *model =
 586       addon_cache_item_if_loaded( k_addon_type_player,
 587                                   localplayer.playermodel_view_slot );
 588
 589    if( !model ) model = &localplayer.fallback_model;
 590    render_playermodel( cam, world, 1, model, &localplayer.skeleton,
 591                        localplayer.final_mtx );
 592
 593    struct player_board *board =
 594       addon_cache_item_if_loaded( k_addon_type_board,
 595                                   localplayer.board_view_slot );
 596
 597    render_board( cam, world, board, localplayer.final_mtx[localplayer.id_board],
 598                   &localplayer.pose.board, k_board_shader_player );
 599
 600    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 601
 602    glEnable( GL_CULL_FACE );
 603    player_glide_render( cam, world, &localplayer.pose );
 604    glDisable( GL_CULL_FACE );
 605 }
 606
 607 void player_mirror_pose( mdl_keyframe pose[32], mdl_keyframe mirrored[32] )
 608 {
 609    mdl_keyframe temp[32];
 610
 611    struct skeleton *sk = &localplayer.skeleton;
 612    for( u32 i=1; i<sk->bone_count; i ++ ){
 613       mdl_keyframe *dest = &temp[i-1];
 614       u8 mapping = localplayer.skeleton_mirror[i];
 615
 616       if( mapping ) *dest = pose[mapping-1]; /* R */
 617       else          *dest = pose[i-1];       /* L */
 618
 619       dest->co[2] *= -1.0f;
 620       dest->q[0] *= -1.0f;
 621       dest->q[1] *= -1.0f;
 622    }
 623
 624    for( u32 i=0; i<sk->bone_count-1; i ++ ){
 625       mirrored[i] = temp[i];
 626    }
 627 }