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
  16 VG_STATIC void player_avatar_load( struct player_avatar *av, const char *path )
  17 {
  18    mdl_open( &av->meta, path, vg_mem.rtmemory );
  19    mdl_load_metadata_block( &av->meta, vg_mem.rtmemory );
  20    mdl_load_animation_block( &av->meta, vg_mem.rtmemory );
  21    mdl_close( &av->meta );
  22
  23    struct skeleton *sk = &av->sk;
  24    skeleton_setup( sk, vg_mem.rtmemory, &av->meta );
  25
  26    av->id_hip        = skeleton_bone_id( sk, "hips" );
  27    av->id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  28    av->id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  29    av->id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  30    av->id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  31    av->id_head       = skeleton_bone_id( sk, "head" );
  32    av->id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  33    av->id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  34    av->id_board      = skeleton_bone_id( sk, "board" );
  35    av->id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  36    av->id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  37    av->id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  38    av->id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  39 }
  40
  41 /* TODO: Standard model load */
  42
  43 VG_STATIC void dynamic_model_load( mdl_context *ctx,
  44                                    struct dynamic_model_1texture *mdl,
  45                                    const char *path )
  46 {
  47    if( !mdl_arrcount( &ctx->textures ) )
  48       vg_fatal_error( "No texture in model" );
  49
  50    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  51    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  52    mdl_fread_pack_file( ctx, &tex0->file, data );
  53
  54    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  55                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  56                             &mdl->texture );
  57
  58    mdl_async_load_glmesh( ctx, &mdl->mesh );
  59 }
  60
  61 VG_STATIC void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
  62    mesh_free( &mdl->mesh );
  63    glDeleteTextures( 1, &mdl->texture );
  64 }
  65
  66 /* TODO: allow error handling */
  67 VG_STATIC void player_board_load( struct player_board *board,
  68                                   const char *path ){
  69
  70    vg_linear_clear( vg_mem.scratch );
  71
  72    mdl_context ctx;
  73    mdl_open( &ctx, path, vg_mem.scratch );
  74    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  75
  76    dynamic_model_load( &ctx, &board->mdl, path );
  77
  78    mdl_array_ptr markers;
  79    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  80
  81    /* TODO: you get put into a new section, the above is standard mdl loads. */
  82    for( int i=0; i<4; i++ )
  83       board->wheels[i].indice_count = 0;
  84    for( int i=0; i<2; i++ )
  85       board->trucks[i].indice_count = 0;
  86    board->board.indice_count = 0;
  87
  88    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  89       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  90
  91       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
  92          continue;
  93
  94       u32 index = mdl_entity_id_id( mesh->entity_id );
  95       ent_marker *marker = mdl_arritm( &markers, index );
  96
  97       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
  98
  99       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 100       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 101           fb = marker->transform.co[2] > 0.0f? 0: 1;
 102
 103       if( !strcmp( alias, "wheel" ) ){
 104          u32 id = fb<<1 | lr;
 105          board->wheels[ id ] = *sm0;
 106          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 107       }
 108       else if( !strcmp( alias, "board" ) ){
 109          board->board = *sm0;
 110          v3_copy( marker->transform.co, board->board_position );
 111       }
 112       else if( !strcmp( alias, "truck" ) ){
 113          board->trucks[ fb ] = *sm0;
 114          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 115       }
 116    }
 117
 118    mdl_close( &ctx );
 119 }
 120
 121 VG_STATIC void player_board_unload( struct player_board *board ){
 122    dynamic_model_unload( &board->mdl );
 123 }
 124
 125 VG_STATIC void player_model_load( struct player_model *board, const char *path){
 126    vg_linear_clear( vg_mem.scratch );
 127
 128    mdl_context ctx;
 129    mdl_open( &ctx, path, vg_mem.scratch );
 130    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 131
 132    dynamic_model_load( &ctx, &board->mdl, path );
 133
 134    mdl_close( &ctx );
 135 }
 136
 137 VG_STATIC void player_model_unload( struct player_model *board ){
 138    dynamic_model_unload( &board->mdl );
 139 }
 140
 141 VG_STATIC void player_animate( player_instance *player ){
 142    if( _player_animate[ player->subsystem ] ){
 143       player_animation res;
 144       res.type = k_player_animation_type_fk;
 145
 146       _player_animate[ player->subsystem ]( player, &res );
 147
 148       m4x3f transform;
 149       q_m3x3( res.root_q, transform );
 150       v3_copy( res.root_co, transform[3] );
 151
 152       struct skeleton *sk = &player->playeravatar->sk;
 153
 154       if( player->holdout_time > 0.0f ){
 155          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 156                                            player->holdout_time, res.pose );
 157          player->holdout_time -= vg.time_frame_delta * 2.0f;
 158       }
 159
 160       if( res.type == k_player_animation_type_fk ){
 161          skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 162          skeleton_apply_ik_pass( sk );
 163          skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 164          skeleton_apply_inverses( sk );
 165          skeleton_apply_transform( sk, transform );
 166       }
 167       else {
 168          skeleton_apply_pose( sk, res.pose, k_anim_apply_absolute );
 169       }
 170
 171       skeleton_debug( sk );
 172    }
 173
 174    if( _player_post_animate[ player->subsystem ] )
 175       _player_post_animate[ player->subsystem ]( player );
 176 }
 177
 178 VG_STATIC void player_animate_from_replay( player_instance *player ){
 179    /* TODO: frame blending */
 180
 181    player_animation res;
 182    replay_frame *frame = player->replay.cursor_frame;
 183
 184    if( frame ){
 185       memcpy( &res, &frame->anim, sizeof(frame->anim) );
 186       memcpy( &frame->board_pose, &player->board_pose,
 187               sizeof(player->board_pose) );
 188       v3_copy( frame->cam_pos, player->cam_override_pos );
 189       v3_copy( frame->cam_angles, player->cam_override_angles );
 190       player->cam_override_fov = frame->cam_fov;
 191       player->cam_override_strength = 1.0f;
 192    }
 193    else return;
 194
 195    struct skeleton *sk = &player->playeravatar->sk;
 196    skeleton_apply_pose( sk, res.pose, k_anim_apply_absolute );
 197 }
 198
 199 VG_STATIC void player_record_replay( player_instance *player, int force ){
 200    /* replay recorder */
 201    replay_buffer *replay = &player->replay;
 202
 203    f64 delta      = 9999999.9,
 204        statedelta = 9999999.9;
 205
 206    if( replay->head )
 207       delta = vg.time - replay->head->time;
 208
 209    if( replay->statehead )
 210       statedelta = vg.time - replay->statehead->time;
 211
 212    const f64 k_replay_rate = 1.0/30.0,
 213              k_gamestate_rate = 0.5;
 214
 215    u16 gamestates = 0;
 216    if( statedelta > k_gamestate_rate || force /* or switching */ ){
 217       gamestates = 1;
 218    }
 219
 220    if( (delta > k_replay_rate) || gamestates ){
 221       replay_frame *frame = replay_newframe( replay, gamestates, 0 );
 222       replay->cursor = vg.time;
 223       replay->cursor_frame = frame;
 224
 225       player_animation *res = &frame->anim;
 226       v3_zero( res->root_co );
 227       q_identity( res->root_q );
 228       res->type = k_player_animation_type_absolute;
 229
 230       struct skeleton *sk = &player->playeravatar->sk;
 231       skeleton_decompose_mtx_absolute( sk, res->pose );
 232
 233       memcpy( &frame->board_pose, &player->board_pose,
 234                sizeof(player->board_pose) );
 235       frame->time = vg.time;
 236       v3_copy( player->cam.pos, frame->cam_pos );
 237       v3_copy( player->cam.angles, frame->cam_angles );
 238       frame->cam_fov = player->cam.fov;
 239
 240       if( gamestates ){
 241          replay_gamestate *gs = replay_frame_gamestate( frame, 0 );
 242          gs->system = player->subsystem;
 243
 244          if( player->subsystem == k_player_subsystem_walk ){
 245             memcpy( &gs->walk, &player->_walk.state,
 246                      sizeof(struct player_walk_state) );
 247          }
 248          else if( player->subsystem == k_player_subsystem_skate ){
 249             memcpy( &gs->skate, &player->_skate.state,
 250                      sizeof(struct player_skate_state) );
 251          }
 252
 253          memcpy( &gs->rb, &player->rb, sizeof(rigidbody) );
 254          memcpy( &gs->cam_control, &player->cam_control,
 255                   sizeof(struct player_cam_controller) );
 256          v3_copy( player->angles, gs->angles );
 257       }
 258    }
 259 }
 260
 261 VG_STATIC void player__pre_render( player_instance *player ){
 262    if( player->replay.control == k_replay_control_none ){
 263       player->cam_override_strength = 0.0f;
 264       player_animate( player );
 265
 266       if( button_down( k_srbind_reset ) && !player->immobile ){
 267          audio_lock();
 268          audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 269          audio_unlock();
 270
 271          player_record_replay( player, 1 );
 272          player->replay.control = k_replay_control_scrub;
 273       }
 274       else
 275          player_record_replay( player, 0 );
 276    }
 277    else {
 278       player->cam_override_strength = 1.0f-skaterift.time_rate;
 279       player_replay_control_update( player );
 280       player_animate_from_replay( player );
 281    }
 282
 283    player__cam_iterate( player );
 284
 285    /* shadowing/ao info */
 286    struct player_avatar *av = player->playeravatar;
 287    struct player_board *board =
 288       addon_cache_item_if_loaded( k_addon_type_board,
 289                                   player->board_view_slot );
 290    v3f vp0, vp1;
 291    if( board ){
 292       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 293       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 294    }
 295    else{
 296       v3_zero( vp0 );
 297       v3_zero( vp1 );
 298    }
 299
 300    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 301    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 302    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 303 }
 304
 305 VG_STATIC void render_board( camera *cam, world_instance *world,
 306                              struct player_board *board, m4x3f root,
 307                              struct board_pose *pose,
 308                              enum board_shader shader )
 309 {
 310    if( !board ) return;
 311
 312    v3f inverse;
 313
 314    glActiveTexture( GL_TEXTURE0 );
 315    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 316
 317    if( shader == k_board_shader_player ){
 318       shader_model_board_view_use();
 319       shader_model_board_view_uTexMain( 0 );
 320       shader_model_board_view_uCamera( cam->transform[3] );
 321       shader_model_board_view_uPv( cam->mtx.pv );
 322       shader_model_board_view_uTexSceneDepth( 1 );
 323       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 324
 325       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 326
 327       inverse[2] = main_camera.farz-main_camera.nearz;
 328
 329       shader_model_board_view_uInverseRatioDepth( inverse );
 330       render_fb_inverse_ratio( NULL, inverse );
 331       inverse[2] = cam->farz-cam->nearz;
 332       shader_model_board_view_uInverseRatioMain( inverse );
 333
 334       world_link_lighting_ub( world, _shader_model_board_view.id );
 335       world_bind_position_texture( world, _shader_model_board_view.id,
 336                                  _uniform_model_board_view_g_world_depth, 2 );
 337       world_bind_light_array( world, _shader_model_board_view.id,
 338                                  _uniform_model_board_view_uLightsArray, 3 );
 339       world_bind_light_index( world, _shader_model_board_view.id,
 340                                  _uniform_model_board_view_uLightsIndex, 4 );
 341    }
 342    else if( shader == k_board_shader_entity ){
 343       shader_model_entity_use();
 344       shader_model_entity_uTexMain( 0 );
 345       shader_model_entity_uCamera( cam->transform[3] );
 346       shader_model_entity_uPv( cam->mtx.pv );
 347
 348       world_link_lighting_ub( world, _shader_model_entity.id );
 349       world_bind_position_texture( world, _shader_model_entity.id,
 350                                  _uniform_model_entity_g_world_depth, 2 );
 351       world_bind_light_array( world, _shader_model_entity.id,
 352                                  _uniform_model_entity_uLightsArray, 3 );
 353       world_bind_light_index( world, _shader_model_entity.id,
 354                                  _uniform_model_entity_uLightsIndex, 4 );
 355    }
 356
 357    mesh_bind( &board->mdl.mesh );
 358
 359    m4x4f m4mdl;
 360
 361    if( board->board.indice_count ){
 362       m4x3f mlocal;
 363       m3x3_identity( mlocal );
 364
 365       mdl_keyframe kf;
 366       v3_zero( kf.co );
 367       q_identity( kf.q );
 368       v3_zero( kf.s );
 369
 370       v4f qroll;
 371       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 372       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 373                               (v3f){0.0f,0.0f,0.0f}, qroll );
 374
 375       v3_add( board->board_position, kf.co, mlocal[3] );
 376       q_m3x3( kf.q, mlocal );
 377
 378       m4x3_mul( root, mlocal, mlocal );
 379
 380       if( shader == k_board_shader_entity ){
 381          /* TODO: provide a way to supply previous mdl mtx? */
 382          m4x3_expand( mlocal, m4mdl );
 383          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 384          shader_model_entity_uPvmPrev( m4mdl );
 385          shader_model_entity_uMdl( mlocal );
 386       }
 387       else
 388          shader_model_board_view_uMdl( mlocal );
 389
 390       mdl_draw_submesh( &board->board );
 391    }
 392
 393    for( int i=0; i<2; i++ ){
 394       if( !board->trucks[i].indice_count )
 395          continue;
 396
 397       m4x3f mlocal;
 398       m3x3_identity( mlocal );
 399       v3_copy( board->truck_positions[i], mlocal[3] );
 400       m4x3_mul( root, mlocal, mlocal );
 401
 402       if( shader == k_board_shader_entity ){
 403          m4x3_expand( mlocal, m4mdl );
 404          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 405          shader_model_entity_uPvmPrev( m4mdl );
 406          shader_model_entity_uMdl( mlocal );
 407       }
 408       else
 409          shader_model_board_view_uMdl( mlocal );
 410
 411       mdl_draw_submesh( &board->trucks[i] );
 412    }
 413
 414    for( int i=0; i<4; i++ ){
 415       if( !board->wheels[i].indice_count )
 416          continue;
 417
 418       m4x3f mlocal;
 419       m3x3_identity( mlocal );
 420       v3_copy( board->wheel_positions[i], mlocal[3] );
 421       m4x3_mul( root, mlocal, mlocal );
 422
 423       if( shader == k_board_shader_entity ){
 424          m4x3_expand( mlocal, m4mdl );
 425          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 426          shader_model_entity_uPvmPrev( m4mdl );
 427          shader_model_entity_uMdl( mlocal );
 428       }
 429       else
 430          shader_model_board_view_uMdl( mlocal );
 431
 432       mdl_draw_submesh( &board->wheels[i] );
 433    }
 434 }
 435
 436 VG_STATIC void render_playermodel( camera *cam, world_instance *world,
 437                                    struct player_model *model,
 438                                    struct skeleton *skeleton ){
 439    if( !model ) return;
 440
 441    shader_model_character_view_use();
 442
 443         glActiveTexture( GL_TEXTURE0 );
 444         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 445    shader_model_character_view_uTexMain( 0 );
 446    shader_model_character_view_uCamera( cam->transform[3] );
 447    shader_model_character_view_uPv( cam->mtx.pv );
 448    shader_model_character_view_uTexSceneDepth( 1 );
 449    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 450    v3f inverse;
 451    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 452    inverse[2] = main_camera.farz-main_camera.nearz;
 453
 454    shader_model_character_view_uInverseRatioDepth( inverse );
 455    render_fb_inverse_ratio( NULL, inverse );
 456    inverse[2] = cam->farz-cam->nearz;
 457    shader_model_character_view_uInverseRatioMain( inverse );
 458
 459    world_link_lighting_ub( world, _shader_model_character_view.id );
 460    world_bind_position_texture( world, _shader_model_character_view.id,
 461                               _uniform_model_character_view_g_world_depth, 2 );
 462    world_bind_light_array( world, _shader_model_character_view.id,
 463                               _uniform_model_character_view_uLightsArray, 3 );
 464    world_bind_light_index( world, _shader_model_character_view.id,
 465                               _uniform_model_character_view_uLightsIndex, 4 );
 466
 467    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 468                          skeleton->bone_count,
 469                          0,
 470                          (float *)skeleton->final_mtx );
 471
 472    mesh_bind( &model->mdl.mesh );
 473    mesh_draw( &model->mdl.mesh );
 474 }
 475
 476 PLAYER_API void player__render( camera *cam, player_instance *player )
 477 {
 478    world_instance *world = world_current_instance();
 479    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 480
 481    struct player_model *model =
 482       addon_cache_item_if_loaded( k_addon_type_player,
 483                                   player->playermodel_view_slot );
 484
 485    if( !model ) model = &player->fallback_model;
 486    render_playermodel( cam, world, model, &player->playeravatar->sk );
 487
 488    struct player_board *board =
 489       addon_cache_item_if_loaded( k_addon_type_board,
 490                                   player->board_view_slot );
 491
 492    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 493                                     player->playeravatar->id_board],
 494                                     &player->board_pose,
 495                                     k_board_shader_player );
 496
 497    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 498 }
 499
 500 #endif /* PLAYER_RENDER_C */