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