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