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    player__cam_iterate( player );
 178 }
 179
 180 VG_STATIC void player__animate_from_replay( player_instance *player,
 181                                             replay_buffer *replay ){
 182    /* TODO: frame blending */
 183    /* TODO: holdout blending (from when the game has to slow down) */
 184
 185    player_animation res;
 186    replay_frame *frame = replay->cursor_frame,
 187                 *next = NULL;
 188
 189    if( frame ){
 190       next = frame->r;
 191
 192       if( next ){
 193          f32 t = replay_subframe_time( replay );
 194
 195          struct skeleton *sk = &player->playeravatar->sk;
 196          skeleton_lerp_pose(sk, frame->anim.pose, next->anim.pose, t, res.pose);
 197          v3_lerp( frame->anim.root_co, next->anim.root_co, t, res.root_co );
 198          q_nlerp( frame->anim.root_q, next->anim.root_q, t, res.root_q );
 199          res.type = k_player_animation_type_absolute;
 200          player->board_pose.lean = vg_lerpf( frame->board_pose.lean,
 201                                              next->board_pose.lean, t );
 202       }
 203       else {
 204          memcpy( &res, &frame->anim, sizeof(frame->anim) );
 205          memcpy( &frame->board_pose, &player->board_pose,
 206                  sizeof(player->board_pose) );
 207       }
 208    }
 209    else return;
 210
 211    struct skeleton *sk = &player->playeravatar->sk;
 212    skeleton_apply_pose( sk, res.pose, k_anim_apply_absolute );
 213 }
 214
 215 VG_STATIC
 216 void player_record_replay_frame( player_instance *player,
 217                                  replay_buffer *replay, int force_gamestate ){
 218    f64 delta      = 9999999.9,
 219        statedelta = 9999999.9;
 220
 221    if( replay->head )
 222       delta = vg.time - replay->head->time;
 223
 224    if( replay->statehead )
 225       statedelta = vg.time - replay->statehead->time;
 226
 227    const f64 k_replay_rate = 1.0/30.0,
 228              k_gamestate_rate = 0.5;
 229
 230    u32 gamestate_size = 0;
 231    void *gamestate_src = NULL;
 232    if( (statedelta > k_gamestate_rate) || force_gamestate ){
 233       if( player->subsystem == k_player_subsystem_walk ){
 234          gamestate_size = sizeof(struct player_walk_state);
 235          gamestate_src  = &player->_walk.state;
 236       }
 237       else if( player->subsystem == k_player_subsystem_skate ){
 238          gamestate_size = sizeof(struct player_skate_state);
 239          gamestate_src  = &player->_skate.state;
 240       }
 241       else if( player->subsystem == k_player_subsystem_dead ){
 242          gamestate_size = sizeof(struct player_ragdoll);
 243          gamestate_src  = &player->ragdoll;
 244       }
 245    }
 246    assert( gamestate_size < 0xffff );
 247
 248    if( (delta > k_replay_rate) || gamestate_size ){
 249       replay_frame *frame = replay_newframe( replay, gamestate_size, 0 );
 250       replay->cursor = vg.time;
 251       replay->cursor_frame = frame;
 252
 253       player_animation *res = &frame->anim;
 254       v3_zero( res->root_co );
 255       q_identity( res->root_q );
 256       res->type = k_player_animation_type_absolute;
 257
 258       struct skeleton *sk = &player->playeravatar->sk;
 259       skeleton_decompose_mtx_absolute( sk, res->pose );
 260
 261       memcpy( &frame->board_pose, &player->board_pose,
 262                sizeof(player->board_pose) );
 263       frame->time = vg.time;
 264       v3_copy( player->cam.pos, frame->cam_pos );
 265       v3_copy( player->cam.angles, frame->cam_angles );
 266       frame->cam_fov = player->cam.fov;
 267
 268       if( gamestate_size ){
 269          replay_gamestate *gs = replay_frame_gamestate( frame );
 270          gs->system = player->subsystem;
 271
 272          /* permanent block */
 273          memcpy( &gs->rb, &player->rb, sizeof(rigidbody) );
 274          memcpy( &gs->cam_control, &player->cam_control,
 275                   sizeof(struct player_cam_controller) );
 276          v3_copy( player->angles, gs->angles );
 277
 278          /* subsytem/dynamic block */
 279          void *dst = replay_gamestate_subsystem_data( gs );
 280          memcpy( dst, gamestate_src, gamestate_size );
 281       }
 282    }
 283 }
 284
 285 VG_STATIC void player__pre_render( player_instance *player ){
 286    /* shadowing/ao info */
 287    struct player_avatar *av = player->playeravatar;
 288    struct player_board *board =
 289       addon_cache_item_if_loaded( k_addon_type_board,
 290                                   player->board_view_slot );
 291    v3f vp0, vp1;
 292    if( board ){
 293       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 294       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 295    }
 296    else{
 297       v3_zero( vp0 );
 298       v3_zero( vp1 );
 299    }
 300
 301    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 302    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 303    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 304 }
 305
 306 VG_STATIC void render_board( camera *cam, world_instance *world,
 307                              struct player_board *board, m4x3f root,
 308                              struct board_pose *pose,
 309                              enum board_shader shader )
 310 {
 311    if( !board ) return;
 312
 313    v3f inverse;
 314
 315    glActiveTexture( GL_TEXTURE0 );
 316    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 317
 318    if( shader == k_board_shader_player ){
 319       shader_model_board_view_use();
 320       shader_model_board_view_uTexMain( 0 );
 321       shader_model_board_view_uCamera( cam->transform[3] );
 322       shader_model_board_view_uPv( cam->mtx.pv );
 323       shader_model_board_view_uTexSceneDepth( 1 );
 324       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 325
 326       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 327
 328       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 329
 330       shader_model_board_view_uInverseRatioDepth( inverse );
 331       render_fb_inverse_ratio( NULL, inverse );
 332       inverse[2] = cam->farz-cam->nearz;
 333       shader_model_board_view_uInverseRatioMain( inverse );
 334
 335       world_link_lighting_ub( world, _shader_model_board_view.id );
 336       world_bind_position_texture( world, _shader_model_board_view.id,
 337                                  _uniform_model_board_view_g_world_depth, 2 );
 338       world_bind_light_array( world, _shader_model_board_view.id,
 339                                  _uniform_model_board_view_uLightsArray, 3 );
 340       world_bind_light_index( world, _shader_model_board_view.id,
 341                                  _uniform_model_board_view_uLightsIndex, 4 );
 342    }
 343    else if( shader == k_board_shader_entity ){
 344       shader_model_entity_use();
 345       shader_model_entity_uTexMain( 0 );
 346       shader_model_entity_uCamera( cam->transform[3] );
 347       shader_model_entity_uPv( cam->mtx.pv );
 348
 349       world_link_lighting_ub( world, _shader_model_entity.id );
 350       world_bind_position_texture( world, _shader_model_entity.id,
 351                                  _uniform_model_entity_g_world_depth, 2 );
 352       world_bind_light_array( world, _shader_model_entity.id,
 353                                  _uniform_model_entity_uLightsArray, 3 );
 354       world_bind_light_index( world, _shader_model_entity.id,
 355                                  _uniform_model_entity_uLightsIndex, 4 );
 356    }
 357
 358    mesh_bind( &board->mdl.mesh );
 359
 360    m4x4f m4mdl;
 361
 362    if( board->board.indice_count ){
 363       m4x3f mlocal;
 364       m3x3_identity( mlocal );
 365
 366       mdl_keyframe kf;
 367       v3_zero( kf.co );
 368       q_identity( kf.q );
 369       v3_zero( kf.s );
 370
 371       v4f qroll;
 372       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 373       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 374                               (v3f){0.0f,0.0f,0.0f}, qroll );
 375
 376       v3_add( board->board_position, kf.co, mlocal[3] );
 377       q_m3x3( kf.q, mlocal );
 378
 379       m4x3_mul( root, mlocal, mlocal );
 380
 381       if( shader == k_board_shader_entity ){
 382          /* TODO: provide a way to supply previous mdl mtx? */
 383          m4x3_expand( mlocal, m4mdl );
 384          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 385          shader_model_entity_uPvmPrev( m4mdl );
 386          shader_model_entity_uMdl( mlocal );
 387       }
 388       else
 389          shader_model_board_view_uMdl( mlocal );
 390
 391       mdl_draw_submesh( &board->board );
 392    }
 393
 394    for( int i=0; i<2; i++ ){
 395       if( !board->trucks[i].indice_count )
 396          continue;
 397
 398       m4x3f mlocal;
 399       m3x3_identity( mlocal );
 400       v3_copy( board->truck_positions[i], mlocal[3] );
 401       m4x3_mul( root, mlocal, mlocal );
 402
 403       if( shader == k_board_shader_entity ){
 404          m4x3_expand( mlocal, m4mdl );
 405          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 406          shader_model_entity_uPvmPrev( m4mdl );
 407          shader_model_entity_uMdl( mlocal );
 408       }
 409       else
 410          shader_model_board_view_uMdl( mlocal );
 411
 412       mdl_draw_submesh( &board->trucks[i] );
 413    }
 414
 415    for( int i=0; i<4; i++ ){
 416       if( !board->wheels[i].indice_count )
 417          continue;
 418
 419       m4x3f mlocal;
 420       m3x3_identity( mlocal );
 421       v3_copy( board->wheel_positions[i], mlocal[3] );
 422       m4x3_mul( root, mlocal, mlocal );
 423
 424       if( shader == k_board_shader_entity ){
 425          m4x3_expand( mlocal, m4mdl );
 426          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 427          shader_model_entity_uPvmPrev( m4mdl );
 428          shader_model_entity_uMdl( mlocal );
 429       }
 430       else
 431          shader_model_board_view_uMdl( mlocal );
 432
 433       mdl_draw_submesh( &board->wheels[i] );
 434    }
 435 }
 436
 437 VG_STATIC void render_playermodel( camera *cam, world_instance *world,
 438                                    struct player_model *model,
 439                                    struct skeleton *skeleton ){
 440    if( !model ) return;
 441
 442    shader_model_character_view_use();
 443
 444         glActiveTexture( GL_TEXTURE0 );
 445         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 446    shader_model_character_view_uTexMain( 0 );
 447    shader_model_character_view_uCamera( cam->transform[3] );
 448    shader_model_character_view_uPv( cam->mtx.pv );
 449    shader_model_character_view_uTexSceneDepth( 1 );
 450    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 451    v3f inverse;
 452    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 453    inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 454
 455    shader_model_character_view_uInverseRatioDepth( inverse );
 456    render_fb_inverse_ratio( NULL, inverse );
 457    inverse[2] = cam->farz-cam->nearz;
 458    shader_model_character_view_uInverseRatioMain( inverse );
 459
 460    world_link_lighting_ub( world, _shader_model_character_view.id );
 461    world_bind_position_texture( world, _shader_model_character_view.id,
 462                               _uniform_model_character_view_g_world_depth, 2 );
 463    world_bind_light_array( world, _shader_model_character_view.id,
 464                               _uniform_model_character_view_uLightsArray, 3 );
 465    world_bind_light_index( world, _shader_model_character_view.id,
 466                               _uniform_model_character_view_uLightsIndex, 4 );
 467
 468    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 469                          skeleton->bone_count,
 470                          0,
 471                          (float *)skeleton->final_mtx );
 472
 473    mesh_bind( &model->mdl.mesh );
 474    mesh_draw( &model->mdl.mesh );
 475 }
 476
 477 PLAYER_API void player__render( camera *cam, player_instance *player )
 478 {
 479    world_instance *world = world_current_instance();
 480    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 481
 482    struct player_model *model =
 483       addon_cache_item_if_loaded( k_addon_type_player,
 484                                   player->playermodel_view_slot );
 485
 486    if( !model ) model = &player->fallback_model;
 487    render_playermodel( cam, world, model, &player->playeravatar->sk );
 488
 489    struct player_board *board =
 490       addon_cache_item_if_loaded( k_addon_type_board,
 491                                   player->board_view_slot );
 492
 493    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 494                                     player->playeravatar->id_board],
 495                                     &player->board_pose,
 496                                     k_board_shader_player );
 497
 498    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 499 }
 500
 501 #endif /* PLAYER_RENDER_C */