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_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  39    localplayer.id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  40    localplayer.id_board      = skeleton_bone_id( sk, "board" );
  41    localplayer.id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  42    localplayer.id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  43    localplayer.id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  44    localplayer.id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  45    localplayer.id_eyes       = skeleton_bone_id( sk, "eyes" );
  46
  47    setup_ragdoll_from_skeleton( sk, &localplayer.ragdoll );
  48
  49    /* allocate matrix buffers for localplayer and remote players */
  50    u32 mtx_size = sizeof(m4x3f)*sk->bone_count;
  51    localplayer.final_mtx = vg_linear_alloc( vg_mem.rtmemory, mtx_size );
  52    netplayers.final_mtx = vg_linear_alloc( vg_mem.rtmemory,
  53                                            mtx_size*NETWORK_MAX_PLAYERS );
  54 }
  55
  56 /* TODO: Standard model load */
  57
  58 static void dynamic_model_load( mdl_context *ctx,
  59                                 struct dynamic_model_1texture *mdl,
  60                                 const char *path, u32 *fixup_table ){
  61    if( !mdl_arrcount( &ctx->textures ) )
  62       vg_fatal_error( "No texture in model" );
  63
  64    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  65    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  66    mdl_fread_pack_file( ctx, &tex0->file, data );
  67
  68    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  69                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  70                             &mdl->texture );
  71
  72    mdl_async_load_glmesh( ctx, &mdl->mesh, fixup_table );
  73 }
  74
  75 static void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
  76    mesh_free( &mdl->mesh );
  77    glDeleteTextures( 1, &mdl->texture );
  78 }
  79
  80 /* TODO: allow error handling */
  81 static void player_board_load( struct player_board *board,
  82                                   const char *path ){
  83
  84    vg_linear_clear( vg_mem.scratch );
  85
  86    mdl_context ctx;
  87    mdl_open( &ctx, path, vg_mem.scratch );
  88    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  89
  90    dynamic_model_load( &ctx, &board->mdl, path, NULL );
  91
  92    mdl_array_ptr markers;
  93    MDL_LOAD_ARRAY( &ctx, &markers, ent_marker, vg_mem.scratch );
  94
  95    /* TODO: you get put into a new section, the above is standard mdl loads. */
  96    for( int i=0; i<4; i++ )
  97       board->wheels[i].indice_count = 0;
  98    for( int i=0; i<2; i++ )
  99       board->trucks[i].indice_count = 0;
 100    board->board.indice_count = 0;
 101
 102    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
 103       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
 104
 105       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 106          continue;
 107
 108       u32 index = mdl_entity_id_id( mesh->entity_id );
 109       ent_marker *marker = mdl_arritm( &markers, index );
 110
 111       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 112
 113       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 114       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 115           fb = marker->transform.co[2] > 0.0f? 0: 1;
 116
 117       if( !strcmp( alias, "wheel" ) ){
 118          u32 id = fb<<1 | lr;
 119          board->wheels[ id ] = *sm0;
 120          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 121       }
 122       else if( !strcmp( alias, "board" ) ){
 123          board->board = *sm0;
 124          v3_copy( marker->transform.co, board->board_position );
 125       }
 126       else if( !strcmp( alias, "truck" ) ){
 127          board->trucks[ fb ] = *sm0;
 128          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 129       }
 130    }
 131
 132    mdl_close( &ctx );
 133 }
 134
 135 static void player_board_unload( struct player_board *board ){
 136    dynamic_model_unload( &board->mdl );
 137 }
 138
 139 static void player_model_load( struct player_model *board, const char *path){
 140    vg_linear_clear( vg_mem.scratch );
 141
 142    mdl_context ctx;
 143    mdl_open( &ctx, path, vg_mem.scratch );
 144    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 145
 146    if( !ctx.armatures.count )
 147       vg_fatal_error( "No armature in playermodel\n" );
 148
 149    mdl_armature *armature = mdl_arritm( &ctx.armatures, 0 );
 150
 151    u32 fixup_table[ armature->bone_count+1 ];
 152    for( u32 i=0; i<armature->bone_count+1; i ++ )
 153       fixup_table[i] = 0;
 154
 155    for( u32 i=1; i<localplayer.skeleton.bone_count; i ++ ){
 156       struct skeleton_bone *sb = &localplayer.skeleton.bones[i];
 157       u32 hash = vg_strdjb2( sb->name );
 158
 159       for( u32 j=1; j<armature->bone_count; j ++ ){
 160          mdl_bone *bone = mdl_arritm( &ctx.bones, armature->bone_start+j );
 161
 162          if( mdl_pstreq( &ctx, bone->pstr_name, sb->name, hash ) ){
 163             fixup_table[j+1] = i;
 164             break;
 165          }
 166       }
 167    }
 168
 169    dynamic_model_load( &ctx, &board->mdl, path, fixup_table );
 170    mdl_close( &ctx );
 171 }
 172
 173 static void player_model_unload( struct player_model *board ){
 174    dynamic_model_unload( &board->mdl );
 175 }
 176
 177 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 178                                       m4x3f *final_mtx ){
 179    m4x3f transform;
 180    q_m3x3( pose->root_q, transform );
 181    v3_copy( pose->root_co, transform[3] );
 182
 183    if( pose->type == k_player_pose_type_ik ){
 184       skeleton_apply_pose( sk, pose->keyframes,
 185                            k_anim_apply_defer_ik, final_mtx );
 186       skeleton_apply_ik_pass( sk, final_mtx );
 187       skeleton_apply_pose( sk, pose->keyframes,
 188                            k_anim_apply_deffered_only, final_mtx );
 189       skeleton_apply_inverses( sk, final_mtx );
 190       skeleton_apply_transform( sk, transform, final_mtx );
 191    }
 192    else if( pose->type == k_player_pose_type_fk_2 ){
 193       skeleton_apply_pose( sk, pose->keyframes,
 194                            k_anim_apply_always, final_mtx );
 195       skeleton_apply_inverses( sk, final_mtx );
 196       skeleton_apply_transform( sk, transform, final_mtx );
 197    }
 198 }
 199
 200 static void player__animate(void){
 201    struct player_subsystem_interface *sys =
 202       player_subsystems[localplayer.subsystem];
 203
 204    assert( sys->animate );
 205    assert( sys->pose );
 206    assert( sys->animator_data );
 207
 208    sys->animate();
 209
 210    player_pose *pose = &localplayer.pose;
 211    sys->pose( sys->animator_data, pose );
 212
 213    struct skeleton *sk = &localplayer.skeleton;
 214
 215    if( localplayer.holdout_time > 0.0f ){
 216       skeleton_lerp_pose( sk,
 217                           pose->keyframes,localplayer.holdout_pose.keyframes,
 218                           localplayer.holdout_time, pose->keyframes );
 219
 220       v3_muladds( pose->root_co, localplayer.holdout_pose.root_co,
 221                   localplayer.holdout_time, pose->root_co );
 222       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 223                localplayer.holdout_time, pose->root_q );
 224
 225       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 226    }
 227
 228    v3_fill( pose->keyframes[ localplayer.id_eyes-1 ].co, sinf(vg.time) );
 229
 230    apply_full_skeleton_pose( sk, &localplayer.pose, localplayer.final_mtx );
 231    skeleton_debug( sk, localplayer.final_mtx );
 232
 233    if( sys->post_animate )
 234       sys->post_animate();
 235
 236    player__cam_iterate();
 237 }
 238
 239 static void player_copy_frame_animator( replay_frame *frame ){
 240    struct player_subsystem_interface *sys =
 241       player_subsystems[localplayer.subsystem];
 242
 243    if( sys->animator_size ){
 244       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 245       memcpy( sys->animator_data, src, sys->animator_size );
 246    }
 247 }
 248
 249 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 250                               player_pose *posed ){
 251    struct skeleton *sk = &localplayer.skeleton;
 252
 253    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 254    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 255    posed->type = pose0->type;
 256    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 257
 258    if( pose0->type != pose1->type ){
 259       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 260       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 261    }
 262    else {
 263       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 264                           posed->keyframes );
 265    }
 266 }
 267
 268 static void player__animate_from_replay( replay_buffer *replay ){
 269    replay_frame *frame = replay->cursor_frame,
 270                 *next = NULL;
 271    if( frame ){
 272       next = frame->r;
 273
 274       if( next ){
 275          f32 t = replay_subframe_time( replay );
 276
 277          player_pose pose0, pose1;
 278
 279          struct player_subsystem_interface
 280             *sys0 = player_subsystems[frame->system],
 281             *sys1 = player_subsystems[next->system];
 282
 283          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 284               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 285
 286          sys0->pose( a0, &pose0 );
 287          sys1->pose( a1, &pose1 );
 288
 289          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 290       }
 291       else{
 292          struct player_subsystem_interface
 293             *sys = player_subsystems[frame->system];
 294          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 295                      &localplayer.pose );
 296       }
 297    }
 298    else return;
 299
 300    apply_full_skeleton_pose( &localplayer.skeleton, &localplayer.pose,
 301                              localplayer.final_mtx );
 302 }
 303
 304 static void player__pre_render(void){
 305    /* shadowing/ao info */
 306    struct player_board *board =
 307       addon_cache_item_if_loaded( k_addon_type_board,
 308                                   localplayer.board_view_slot );
 309    v3f vp0, vp1;
 310    if( board ){
 311       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 312       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 313    }
 314    else{
 315       v3_zero( vp0 );
 316       v3_zero( vp1 );
 317    }
 318
 319    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 320    v3f *board_mtx = localplayer.final_mtx[ localplayer.id_board ];
 321    m4x3_mulv( board_mtx, vp0, ubo->g_board_0 );
 322    m4x3_mulv( board_mtx, vp1, ubo->g_board_1 );
 323 }
 324
 325 static void render_board( camera *cam, world_instance *world,
 326                           struct player_board *board, m4x3f root,
 327                           struct player_board_pose *pose,
 328                           enum board_shader shader )
 329 {
 330    if( !board )
 331       board = &localplayer.fallback_board;
 332
 333    /* TODO:
 334     *  adding depth compare to this shader
 335     */
 336
 337    v3f inverse;
 338
 339    glActiveTexture( GL_TEXTURE0 );
 340    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 341
 342    if( shader == k_board_shader_player ){
 343       shader_model_board_view_use();
 344       shader_model_board_view_uTexMain( 0 );
 345       shader_model_board_view_uCamera( cam->transform[3] );
 346       shader_model_board_view_uPv( cam->mtx.pv );
 347
 348       shader_model_board_view_uDepthCompare(1);
 349       depth_compare_bind(
 350          shader_model_board_view_uTexSceneDepth,
 351          shader_model_board_view_uInverseRatioDepth,
 352          shader_model_board_view_uInverseRatioMain,
 353          cam );
 354
 355       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_board_view );
 356    }
 357    else if( shader == k_board_shader_entity ){
 358       shader_model_entity_use();
 359       shader_model_entity_uTexMain( 0 );
 360       shader_model_entity_uCamera( cam->transform[3] );
 361       shader_model_entity_uPv( cam->mtx.pv );
 362
 363       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_entity );
 364    }
 365
 366    mesh_bind( &board->mdl.mesh );
 367
 368    m4x4f m4mdl;
 369
 370    if( board->board.indice_count ){
 371       m4x3f mlocal;
 372       m3x3_identity( mlocal );
 373
 374       mdl_keyframe kf;
 375       v3_zero( kf.co );
 376       q_identity( kf.q );
 377       v3_zero( kf.s );
 378
 379       v4f qroll;
 380       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 381       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 382                               (v3f){0.0f,0.0f,0.0f}, qroll );
 383
 384       v3_add( board->board_position, kf.co, mlocal[3] );
 385       q_m3x3( kf.q, mlocal );
 386
 387       m4x3_mul( root, mlocal, mlocal );
 388
 389       if( shader == k_board_shader_entity ){
 390          /* TODO: provide a way to supply previous mdl mtx? */
 391          m4x3_expand( mlocal, m4mdl );
 392          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 393          shader_model_entity_uPvmPrev( m4mdl );
 394          shader_model_entity_uMdl( mlocal );
 395       }
 396       else
 397          shader_model_board_view_uMdl( mlocal );
 398
 399       mdl_draw_submesh( &board->board );
 400    }
 401
 402    for( int i=0; i<2; i++ ){
 403       if( !board->trucks[i].indice_count )
 404          continue;
 405
 406       m4x3f mlocal;
 407       m3x3_identity( mlocal );
 408       v3_copy( board->truck_positions[i], mlocal[3] );
 409       m4x3_mul( root, mlocal, mlocal );
 410
 411       if( shader == k_board_shader_entity ){
 412          m4x3_expand( mlocal, m4mdl );
 413          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 414          shader_model_entity_uPvmPrev( m4mdl );
 415          shader_model_entity_uMdl( mlocal );
 416       }
 417       else
 418          shader_model_board_view_uMdl( mlocal );
 419
 420       mdl_draw_submesh( &board->trucks[i] );
 421    }
 422
 423    for( int i=0; i<4; i++ ){
 424       if( !board->wheels[i].indice_count )
 425          continue;
 426
 427       m4x3f mlocal;
 428       m3x3_identity( mlocal );
 429       v3_copy( board->wheel_positions[i], mlocal[3] );
 430       m4x3_mul( root, mlocal, mlocal );
 431
 432       if( shader == k_board_shader_entity ){
 433          m4x3_expand( mlocal, m4mdl );
 434          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 435          shader_model_entity_uPvmPrev( m4mdl );
 436          shader_model_entity_uMdl( mlocal );
 437       }
 438       else
 439          shader_model_board_view_uMdl( mlocal );
 440
 441       mdl_draw_submesh( &board->wheels[i] );
 442    }
 443 }
 444
 445 static void render_playermodel( camera *cam, world_instance *world,
 446                                 int depth_compare,
 447                                 struct player_model *model,
 448                                 struct skeleton *skeleton,
 449                                 m4x3f *final_mtx ){
 450    if( !model ) return;
 451
 452    shader_model_character_view_use();
 453
 454         glActiveTexture( GL_TEXTURE0 );
 455         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 456    shader_model_character_view_uTexMain( 0 );
 457    shader_model_character_view_uCamera( cam->transform[3] );
 458    shader_model_character_view_uPv( cam->mtx.pv );
 459
 460    shader_model_character_view_uDepthCompare( depth_compare );
 461    if( depth_compare ){
 462       depth_compare_bind(
 463          shader_model_character_view_uTexSceneDepth,
 464          shader_model_character_view_uInverseRatioDepth,
 465          shader_model_character_view_uInverseRatioMain,
 466          cam );
 467    }
 468
 469    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 470
 471    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 472                          skeleton->bone_count,
 473                          0,
 474                          (const GLfloat *)final_mtx );
 475
 476    mesh_bind( &model->mdl.mesh );
 477    mesh_draw( &model->mdl.mesh );
 478 }
 479
 480 static void player__render( camera *cam ){
 481    world_instance *world = world_current_instance();
 482    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 483
 484    struct player_model *model =
 485       addon_cache_item_if_loaded( k_addon_type_player,
 486                                   localplayer.playermodel_view_slot );
 487
 488    if( !model ) model = &localplayer.fallback_model;
 489    render_playermodel( cam, world, 1, model, &localplayer.skeleton,
 490                        localplayer.final_mtx );
 491
 492    struct player_board *board =
 493       addon_cache_item_if_loaded( k_addon_type_board,
 494                                   localplayer.board_view_slot );
 495
 496    render_board( cam, world, board, localplayer.final_mtx[localplayer.id_board],
 497                   &localplayer.pose.board, k_board_shader_player );
 498
 499    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 500 }
 501
 502 #endif /* PLAYER_RENDER_C */