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_apply_pose_to_skeleton( player_instance *player ){
 142    struct skeleton *sk = &player->playeravatar->sk;
 143    player_pose *pose = &player->pose;
 144
 145    m4x3f transform;
 146    q_m3x3( pose->root_q, transform );
 147    v3_copy( pose->root_co, transform[3] );
 148
 149    if( pose->type == k_player_pose_type_ik ){
 150       skeleton_apply_pose( sk, pose->keyframes, k_anim_apply_defer_ik );
 151       skeleton_apply_ik_pass( sk );
 152       skeleton_apply_pose( sk, pose->keyframes, k_anim_apply_deffered_only );
 153       skeleton_apply_inverses( sk );
 154       skeleton_apply_transform( sk, transform );
 155    }
 156    else if( pose->type == k_player_pose_type_fk_2 ){
 157       skeleton_apply_pose( sk, pose->keyframes, k_anim_apply_always );
 158       skeleton_apply_inverses( sk );
 159       skeleton_apply_transform( sk, transform );
 160    }
 161 }
 162
 163 VG_STATIC void player__animate( player_instance *player ){
 164    if( _player_animate[ player->subsystem ] &&
 165       _player_pose[ player->subsystem ] ){
 166       _player_animate[ player->subsystem ]( player );
 167       _player_pose[ player->subsystem ]( player, &player->pose );
 168
 169
 170       struct skeleton *sk = &player->playeravatar->sk;
 171
 172       if( player->holdout_time > 0.0f ){
 173          player_pose *pose = &player->pose;
 174          skeleton_lerp_pose( sk,
 175                              pose->keyframes, player->holdout_pose.keyframes,
 176                              player->holdout_time, pose->keyframes );
 177          q_nlerp( pose->root_q, player->holdout_pose.root_q,
 178                   player->holdout_time, pose->root_q );
 179          player->holdout_time -= vg.time_frame_delta * 2.0f;
 180       }
 181
 182       player_apply_pose_to_skeleton( player );
 183       skeleton_debug( sk );
 184    }
 185
 186    if( _player_post_animate[ player->subsystem ] )
 187       _player_post_animate[ player->subsystem ]( player );
 188
 189    player__cam_iterate( player );
 190 }
 191
 192 VG_STATIC void player_copy_frame_animator( player_instance *player,
 193                                            replay_frame *frame ){
 194    void *animator_src = replay_frame_data( frame, k_replay_framedata_animator );
 195    u16 animator_size = frame->data_table[ k_replay_framedata_animator ][1];
 196
 197    if( frame->system == k_player_subsystem_walk ){
 198       memcpy( &player->_walk.animator, animator_src, animator_size );
 199    }
 200    else if( frame->system == k_player_subsystem_dead ){
 201       memcpy( &player->_dead.animator, animator_src, animator_size );
 202    }
 203    else if( frame->system == k_player_subsystem_skate ){
 204       memcpy( &player->_skate.animator, animator_src, animator_size );
 205    }
 206    else if( frame->system == k_player_subsystem_drive ){
 207
 208    }
 209 }
 210
 211 VG_STATIC void player__animate_from_replay( player_instance *player,
 212                                             replay_buffer *replay ){
 213    replay_frame *frame = replay->cursor_frame,
 214                 *next = NULL;
 215    if( frame ){
 216       next = frame->r;
 217
 218       if( next ){
 219          f32 t = replay_subframe_time( replay );
 220
 221          player_pose pose0, pose1;
 222
 223          player_copy_frame_animator( player, frame );
 224          _player_pose[ frame->system ]( player, &pose0 );
 225
 226          player_copy_frame_animator( player, next );
 227          _player_pose[ next->system ]( player, &pose1 );
 228
 229          v3_lerp( pose0.root_co, pose1.root_co, t, player->pose.root_co );
 230          q_nlerp( pose0.root_q,  pose1.root_q,  t, player->pose.root_q );
 231          player->pose.type = pose0.type;
 232          player->pose.board.lean = vg_lerpf( pose0.board.lean,
 233                                              pose1.board.lean, t );
 234
 235          struct skeleton *sk = &player->playeravatar->sk;
 236          if( pose0.type != pose1.type ){
 237             /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 238             skeleton_copy_pose( sk, pose0.keyframes, player->pose.keyframes );
 239          }
 240          else {
 241             skeleton_lerp_pose( sk, pose0.keyframes, pose1.keyframes,
 242                                 t, player->pose.keyframes );
 243          }
 244       }
 245       else{
 246          player_copy_frame_animator( player, frame );
 247          _player_pose[ frame->system ]( player, &player->pose );
 248       }
 249    }
 250    else return;
 251
 252    player_apply_pose_to_skeleton( player );
 253 }
 254
 255 VG_STATIC void player__pre_render( player_instance *player ){
 256    /* shadowing/ao info */
 257    struct player_avatar *av = player->playeravatar;
 258    struct player_board *board =
 259       addon_cache_item_if_loaded( k_addon_type_board,
 260                                   player->board_view_slot );
 261    v3f vp0, vp1;
 262    if( board ){
 263       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 264       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 265    }
 266    else{
 267       v3_zero( vp0 );
 268       v3_zero( vp1 );
 269    }
 270
 271    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 272    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 273    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 274 }
 275
 276 VG_STATIC void render_board( camera *cam, world_instance *world,
 277                              struct player_board *board, m4x3f root,
 278                              struct player_board_pose *pose,
 279                              enum board_shader shader )
 280 {
 281    if( !board ) return;
 282
 283    v3f inverse;
 284
 285    glActiveTexture( GL_TEXTURE0 );
 286    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 287
 288    if( shader == k_board_shader_player ){
 289       shader_model_board_view_use();
 290       shader_model_board_view_uTexMain( 0 );
 291       shader_model_board_view_uCamera( cam->transform[3] );
 292       shader_model_board_view_uPv( cam->mtx.pv );
 293       shader_model_board_view_uTexSceneDepth( 1 );
 294       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 295
 296       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 297
 298       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 299
 300       shader_model_board_view_uInverseRatioDepth( inverse );
 301       render_fb_inverse_ratio( NULL, inverse );
 302       inverse[2] = cam->farz-cam->nearz;
 303       shader_model_board_view_uInverseRatioMain( inverse );
 304
 305       world_link_lighting_ub( world, _shader_model_board_view.id );
 306       world_bind_position_texture( world, _shader_model_board_view.id,
 307                                  _uniform_model_board_view_g_world_depth, 2 );
 308       world_bind_light_array( world, _shader_model_board_view.id,
 309                                  _uniform_model_board_view_uLightsArray, 3 );
 310       world_bind_light_index( world, _shader_model_board_view.id,
 311                                  _uniform_model_board_view_uLightsIndex, 4 );
 312    }
 313    else if( shader == k_board_shader_entity ){
 314       shader_model_entity_use();
 315       shader_model_entity_uTexMain( 0 );
 316       shader_model_entity_uCamera( cam->transform[3] );
 317       shader_model_entity_uPv( cam->mtx.pv );
 318
 319       world_link_lighting_ub( world, _shader_model_entity.id );
 320       world_bind_position_texture( world, _shader_model_entity.id,
 321                                  _uniform_model_entity_g_world_depth, 2 );
 322       world_bind_light_array( world, _shader_model_entity.id,
 323                                  _uniform_model_entity_uLightsArray, 3 );
 324       world_bind_light_index( world, _shader_model_entity.id,
 325                                  _uniform_model_entity_uLightsIndex, 4 );
 326    }
 327
 328    mesh_bind( &board->mdl.mesh );
 329
 330    m4x4f m4mdl;
 331
 332    if( board->board.indice_count ){
 333       m4x3f mlocal;
 334       m3x3_identity( mlocal );
 335
 336       mdl_keyframe kf;
 337       v3_zero( kf.co );
 338       q_identity( kf.q );
 339       v3_zero( kf.s );
 340
 341       v4f qroll;
 342       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 343       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 344                               (v3f){0.0f,0.0f,0.0f}, qroll );
 345
 346       v3_add( board->board_position, kf.co, mlocal[3] );
 347       q_m3x3( kf.q, mlocal );
 348
 349       m4x3_mul( root, mlocal, mlocal );
 350
 351       if( shader == k_board_shader_entity ){
 352          /* TODO: provide a way to supply previous mdl mtx? */
 353          m4x3_expand( mlocal, m4mdl );
 354          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 355          shader_model_entity_uPvmPrev( m4mdl );
 356          shader_model_entity_uMdl( mlocal );
 357       }
 358       else
 359          shader_model_board_view_uMdl( mlocal );
 360
 361       mdl_draw_submesh( &board->board );
 362    }
 363
 364    for( int i=0; i<2; i++ ){
 365       if( !board->trucks[i].indice_count )
 366          continue;
 367
 368       m4x3f mlocal;
 369       m3x3_identity( mlocal );
 370       v3_copy( board->truck_positions[i], mlocal[3] );
 371       m4x3_mul( root, mlocal, mlocal );
 372
 373       if( shader == k_board_shader_entity ){
 374          m4x3_expand( mlocal, m4mdl );
 375          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 376          shader_model_entity_uPvmPrev( m4mdl );
 377          shader_model_entity_uMdl( mlocal );
 378       }
 379       else
 380          shader_model_board_view_uMdl( mlocal );
 381
 382       mdl_draw_submesh( &board->trucks[i] );
 383    }
 384
 385    for( int i=0; i<4; i++ ){
 386       if( !board->wheels[i].indice_count )
 387          continue;
 388
 389       m4x3f mlocal;
 390       m3x3_identity( mlocal );
 391       v3_copy( board->wheel_positions[i], mlocal[3] );
 392       m4x3_mul( root, mlocal, mlocal );
 393
 394       if( shader == k_board_shader_entity ){
 395          m4x3_expand( mlocal, m4mdl );
 396          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 397          shader_model_entity_uPvmPrev( m4mdl );
 398          shader_model_entity_uMdl( mlocal );
 399       }
 400       else
 401          shader_model_board_view_uMdl( mlocal );
 402
 403       mdl_draw_submesh( &board->wheels[i] );
 404    }
 405 }
 406
 407 VG_STATIC void render_playermodel( camera *cam, world_instance *world,
 408                                    int depth_compare,
 409                                    struct player_model *model,
 410                                    struct skeleton *skeleton ){
 411    if( !model ) return;
 412
 413    shader_model_character_view_use();
 414
 415         glActiveTexture( GL_TEXTURE0 );
 416         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 417    shader_model_character_view_uTexMain( 0 );
 418    shader_model_character_view_uCamera( cam->transform[3] );
 419    shader_model_character_view_uPv( cam->mtx.pv );
 420
 421    if( depth_compare ){
 422       shader_model_character_view_uTexSceneDepth( 1 );
 423       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 424       v3f inverse;
 425       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 426       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 427
 428       shader_model_character_view_uInverseRatioDepth( inverse );
 429       render_fb_inverse_ratio( NULL, inverse );
 430       inverse[2] = cam->farz-cam->nearz;
 431       shader_model_character_view_uInverseRatioMain( inverse );
 432    }
 433    shader_model_character_view_uDepthCompare( depth_compare );
 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    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                                   player->playermodel_view_slot );
 459
 460    if( !model ) model = &player->fallback_model;
 461    render_playermodel( cam, world, 1, model, &player->playeravatar->sk );
 462
 463    struct player_board *board =
 464       addon_cache_item_if_loaded( k_addon_type_board,
 465                                   player->board_view_slot );
 466
 467    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 468                                     player->playeravatar->id_board],
 469                                     &player->pose.board,
 470                                     k_board_shader_player );
 471
 472    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 473 }
 474
 475 #endif /* PLAYER_RENDER_C */