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
 188    if( frame ){
 189       memcpy( &res, &frame->anim, sizeof(frame->anim) );
 190       memcpy( &frame->board_pose, &player->board_pose,
 191               sizeof(player->board_pose) );
 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
 200 void player_record_replay_frame( player_instance *player,
 201                                  replay_buffer *replay, int force_gamestate ){
 202    f64 delta      = 9999999.9,
 203        statedelta = 9999999.9;
 204
 205    if( replay->head )
 206       delta = vg.time - replay->head->time;
 207
 208    if( replay->statehead )
 209       statedelta = vg.time - replay->statehead->time;
 210
 211    const f64 k_replay_rate = 1.0/30.0,
 212              k_gamestate_rate = 0.5;
 213
 214    u16 gamestates = 0;
 215    if( statedelta > k_gamestate_rate || force_gamestate /* or switching */ ){
 216       gamestates = 1;
 217    }
 218
 219    if( (delta > k_replay_rate) || gamestates ){
 220       replay_frame *frame = replay_newframe( replay, gamestates, 0 );
 221       replay->cursor = vg.time;
 222       replay->cursor_frame = frame;
 223
 224       player_animation *res = &frame->anim;
 225       v3_zero( res->root_co );
 226       q_identity( res->root_q );
 227       res->type = k_player_animation_type_absolute;
 228
 229       struct skeleton *sk = &player->playeravatar->sk;
 230       skeleton_decompose_mtx_absolute( sk, res->pose );
 231
 232       memcpy( &frame->board_pose, &player->board_pose,
 233                sizeof(player->board_pose) );
 234       frame->time = vg.time;
 235       v3_copy( player->cam.pos, frame->cam_pos );
 236       v3_copy( player->cam.angles, frame->cam_angles );
 237       frame->cam_fov = player->cam.fov;
 238
 239       if( gamestates ){
 240          replay_gamestate *gs = replay_frame_gamestate( frame, 0 );
 241          gs->system = player->subsystem;
 242
 243          if( player->subsystem == k_player_subsystem_walk ){
 244             memcpy( &gs->walk, &player->_walk.state,
 245                      sizeof(struct player_walk_state) );
 246          }
 247          else if( player->subsystem == k_player_subsystem_skate ){
 248             memcpy( &gs->skate, &player->_skate.state,
 249                      sizeof(struct player_skate_state) );
 250          }
 251
 252          memcpy( &gs->rb, &player->rb, sizeof(rigidbody) );
 253          memcpy( &gs->cam_control, &player->cam_control,
 254                   sizeof(struct player_cam_controller) );
 255          v3_copy( player->angles, gs->angles );
 256       }
 257    }
 258 }
 259
 260 VG_STATIC void player__pre_render( player_instance *player ){
 261    /* shadowing/ao info */
 262    struct player_avatar *av = player->playeravatar;
 263    struct player_board *board =
 264       addon_cache_item_if_loaded( k_addon_type_board,
 265                                   player->board_view_slot );
 266    v3f vp0, vp1;
 267    if( board ){
 268       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 269       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 270    }
 271    else{
 272       v3_zero( vp0 );
 273       v3_zero( vp1 );
 274    }
 275
 276    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 277    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 278    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 279 }
 280
 281 VG_STATIC void render_board( camera *cam, world_instance *world,
 282                              struct player_board *board, m4x3f root,
 283                              struct board_pose *pose,
 284                              enum board_shader shader )
 285 {
 286    if( !board ) return;
 287
 288    v3f inverse;
 289
 290    glActiveTexture( GL_TEXTURE0 );
 291    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 292
 293    if( shader == k_board_shader_player ){
 294       shader_model_board_view_use();
 295       shader_model_board_view_uTexMain( 0 );
 296       shader_model_board_view_uCamera( cam->transform[3] );
 297       shader_model_board_view_uPv( cam->mtx.pv );
 298       shader_model_board_view_uTexSceneDepth( 1 );
 299       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 300
 301       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 302
 303       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 304
 305       shader_model_board_view_uInverseRatioDepth( inverse );
 306       render_fb_inverse_ratio( NULL, inverse );
 307       inverse[2] = cam->farz-cam->nearz;
 308       shader_model_board_view_uInverseRatioMain( inverse );
 309
 310       world_link_lighting_ub( world, _shader_model_board_view.id );
 311       world_bind_position_texture( world, _shader_model_board_view.id,
 312                                  _uniform_model_board_view_g_world_depth, 2 );
 313       world_bind_light_array( world, _shader_model_board_view.id,
 314                                  _uniform_model_board_view_uLightsArray, 3 );
 315       world_bind_light_index( world, _shader_model_board_view.id,
 316                                  _uniform_model_board_view_uLightsIndex, 4 );
 317    }
 318    else if( shader == k_board_shader_entity ){
 319       shader_model_entity_use();
 320       shader_model_entity_uTexMain( 0 );
 321       shader_model_entity_uCamera( cam->transform[3] );
 322       shader_model_entity_uPv( cam->mtx.pv );
 323
 324       world_link_lighting_ub( world, _shader_model_entity.id );
 325       world_bind_position_texture( world, _shader_model_entity.id,
 326                                  _uniform_model_entity_g_world_depth, 2 );
 327       world_bind_light_array( world, _shader_model_entity.id,
 328                                  _uniform_model_entity_uLightsArray, 3 );
 329       world_bind_light_index( world, _shader_model_entity.id,
 330                                  _uniform_model_entity_uLightsIndex, 4 );
 331    }
 332
 333    mesh_bind( &board->mdl.mesh );
 334
 335    m4x4f m4mdl;
 336
 337    if( board->board.indice_count ){
 338       m4x3f mlocal;
 339       m3x3_identity( mlocal );
 340
 341       mdl_keyframe kf;
 342       v3_zero( kf.co );
 343       q_identity( kf.q );
 344       v3_zero( kf.s );
 345
 346       v4f qroll;
 347       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 348       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 349                               (v3f){0.0f,0.0f,0.0f}, qroll );
 350
 351       v3_add( board->board_position, kf.co, mlocal[3] );
 352       q_m3x3( kf.q, mlocal );
 353
 354       m4x3_mul( root, mlocal, mlocal );
 355
 356       if( shader == k_board_shader_entity ){
 357          /* TODO: provide a way to supply previous mdl mtx? */
 358          m4x3_expand( mlocal, m4mdl );
 359          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 360          shader_model_entity_uPvmPrev( m4mdl );
 361          shader_model_entity_uMdl( mlocal );
 362       }
 363       else
 364          shader_model_board_view_uMdl( mlocal );
 365
 366       mdl_draw_submesh( &board->board );
 367    }
 368
 369    for( int i=0; i<2; i++ ){
 370       if( !board->trucks[i].indice_count )
 371          continue;
 372
 373       m4x3f mlocal;
 374       m3x3_identity( mlocal );
 375       v3_copy( board->truck_positions[i], mlocal[3] );
 376       m4x3_mul( root, mlocal, mlocal );
 377
 378       if( shader == k_board_shader_entity ){
 379          m4x3_expand( mlocal, m4mdl );
 380          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 381          shader_model_entity_uPvmPrev( m4mdl );
 382          shader_model_entity_uMdl( mlocal );
 383       }
 384       else
 385          shader_model_board_view_uMdl( mlocal );
 386
 387       mdl_draw_submesh( &board->trucks[i] );
 388    }
 389
 390    for( int i=0; i<4; i++ ){
 391       if( !board->wheels[i].indice_count )
 392          continue;
 393
 394       m4x3f mlocal;
 395       m3x3_identity( mlocal );
 396       v3_copy( board->wheel_positions[i], mlocal[3] );
 397       m4x3_mul( root, mlocal, mlocal );
 398
 399       if( shader == k_board_shader_entity ){
 400          m4x3_expand( mlocal, m4mdl );
 401          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 402          shader_model_entity_uPvmPrev( m4mdl );
 403          shader_model_entity_uMdl( mlocal );
 404       }
 405       else
 406          shader_model_board_view_uMdl( mlocal );
 407
 408       mdl_draw_submesh( &board->wheels[i] );
 409    }
 410 }
 411
 412 VG_STATIC void render_playermodel( camera *cam, world_instance *world,
 413                                    struct player_model *model,
 414                                    struct skeleton *skeleton ){
 415    if( !model ) return;
 416
 417    shader_model_character_view_use();
 418
 419         glActiveTexture( GL_TEXTURE0 );
 420         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 421    shader_model_character_view_uTexMain( 0 );
 422    shader_model_character_view_uCamera( cam->transform[3] );
 423    shader_model_character_view_uPv( cam->mtx.pv );
 424    shader_model_character_view_uTexSceneDepth( 1 );
 425    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 426    v3f inverse;
 427    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 428    inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 429
 430    shader_model_character_view_uInverseRatioDepth( inverse );
 431    render_fb_inverse_ratio( NULL, inverse );
 432    inverse[2] = cam->farz-cam->nearz;
 433    shader_model_character_view_uInverseRatioMain( inverse );
 434
 435    world_link_lighting_ub( world, _shader_model_character_view.id );
 436    world_bind_position_texture( world, _shader_model_character_view.id,
 437                               _uniform_model_character_view_g_world_depth, 2 );
 438    world_bind_light_array( world, _shader_model_character_view.id,
 439                               _uniform_model_character_view_uLightsArray, 3 );
 440    world_bind_light_index( world, _shader_model_character_view.id,
 441                               _uniform_model_character_view_uLightsIndex, 4 );
 442
 443    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 444                          skeleton->bone_count,
 445                          0,
 446                          (float *)skeleton->final_mtx );
 447
 448    mesh_bind( &model->mdl.mesh );
 449    mesh_draw( &model->mdl.mesh );
 450 }
 451
 452 PLAYER_API void player__render( camera *cam, player_instance *player )
 453 {
 454    world_instance *world = world_current_instance();
 455    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 456
 457    struct player_model *model =
 458       addon_cache_item_if_loaded( k_addon_type_player,
 459                                   player->playermodel_view_slot );
 460
 461    if( !model ) model = &player->fallback_model;
 462    render_playermodel( cam, world, model, &player->playeravatar->sk );
 463
 464    struct player_board *board =
 465       addon_cache_item_if_loaded( k_addon_type_board,
 466                                   player->board_view_slot );
 467
 468    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 469                                     player->playeravatar->id_board],
 470                                     &player->board_pose,
 471                                     k_board_shader_player );
 472
 473    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 474 }
 475
 476 #endif /* PLAYER_RENDER_C */