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
  17 static void player_avatar_load( struct player_avatar *av, const char *path ){
  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 static void dynamic_model_load( mdl_context *ctx,
  44                                    struct dynamic_model_1texture *mdl,
  45                                    const char *path ){
  46    if( !mdl_arrcount( &ctx->textures ) )
  47       vg_fatal_error( "No texture in model" );
  48
  49    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  50    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  51    mdl_fread_pack_file( ctx, &tex0->file, data );
  52
  53    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  54                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  55                             &mdl->texture );
  56
  57    mdl_async_load_glmesh( ctx, &mdl->mesh );
  58 }
  59
  60 static void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
  61    mesh_free( &mdl->mesh );
  62    glDeleteTextures( 1, &mdl->texture );
  63 }
  64
  65 /* TODO: allow error handling */
  66 static void player_board_load( struct player_board *board,
  67                                   const char *path ){
  68
  69    vg_linear_clear( vg_mem.scratch );
  70
  71    mdl_context ctx;
  72    mdl_open( &ctx, path, vg_mem.scratch );
  73    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  74
  75    dynamic_model_load( &ctx, &board->mdl, path );
  76
  77    mdl_array_ptr markers;
  78    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  79
  80    /* TODO: you get put into a new section, the above is standard mdl loads. */
  81    for( int i=0; i<4; i++ )
  82       board->wheels[i].indice_count = 0;
  83    for( int i=0; i<2; i++ )
  84       board->trucks[i].indice_count = 0;
  85    board->board.indice_count = 0;
  86
  87    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  88       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  89
  90       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
  91          continue;
  92
  93       u32 index = mdl_entity_id_id( mesh->entity_id );
  94       ent_marker *marker = mdl_arritm( &markers, index );
  95
  96       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
  97
  98       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
  99       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 100           fb = marker->transform.co[2] > 0.0f? 0: 1;
 101
 102       if( !strcmp( alias, "wheel" ) ){
 103          u32 id = fb<<1 | lr;
 104          board->wheels[ id ] = *sm0;
 105          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 106       }
 107       else if( !strcmp( alias, "board" ) ){
 108          board->board = *sm0;
 109          v3_copy( marker->transform.co, board->board_position );
 110       }
 111       else if( !strcmp( alias, "truck" ) ){
 112          board->trucks[ fb ] = *sm0;
 113          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 114       }
 115    }
 116
 117    mdl_close( &ctx );
 118 }
 119
 120 static void player_board_unload( struct player_board *board ){
 121    dynamic_model_unload( &board->mdl );
 122 }
 123
 124 static void player_model_load( struct player_model *board, const char *path){
 125    vg_linear_clear( vg_mem.scratch );
 126
 127    mdl_context ctx;
 128    mdl_open( &ctx, path, vg_mem.scratch );
 129    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 130
 131    dynamic_model_load( &ctx, &board->mdl, path );
 132
 133    mdl_close( &ctx );
 134 }
 135
 136 static void player_model_unload( struct player_model *board ){
 137    dynamic_model_unload( &board->mdl );
 138 }
 139
 140 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 141                                       m4x3f *final_mtx ){
 142    m4x3f transform;
 143    q_m3x3( pose->root_q, transform );
 144    v3_copy( pose->root_co, transform[3] );
 145
 146    if( pose->type == k_player_pose_type_ik ){
 147       skeleton_apply_pose( sk, pose->keyframes,
 148                            k_anim_apply_defer_ik, final_mtx );
 149       skeleton_apply_ik_pass( sk, final_mtx );
 150       skeleton_apply_pose( sk, pose->keyframes,
 151                            k_anim_apply_deffered_only, final_mtx );
 152       skeleton_apply_inverses( sk, final_mtx );
 153       skeleton_apply_transform( sk, transform, final_mtx );
 154    }
 155    else if( pose->type == k_player_pose_type_fk_2 ){
 156       skeleton_apply_pose( sk, pose->keyframes,
 157                            k_anim_apply_always, final_mtx );
 158       skeleton_apply_inverses( sk, final_mtx );
 159       skeleton_apply_transform( sk, transform, final_mtx );
 160    }
 161 }
 162
 163 static void player__animate(void){
 164    struct player_subsystem_interface *sys =
 165       player_subsystems[localplayer.subsystem];
 166
 167    assert( sys->animate );
 168    assert( sys->pose );
 169    assert( sys->animator_data );
 170
 171    sys->animate();
 172    sys->pose( sys->animator_data, &localplayer.pose );
 173
 174    struct skeleton *sk = &localplayer.playeravatar->sk;
 175
 176    if( localplayer.holdout_time > 0.0f ){
 177       player_pose *pose = &localplayer.pose;
 178       skeleton_lerp_pose( sk,
 179                           pose->keyframes,localplayer.holdout_pose.keyframes,
 180                           localplayer.holdout_time, pose->keyframes );
 181       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 182                localplayer.holdout_time, pose->root_q );
 183       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 184    }
 185
 186    apply_full_skeleton_pose( &localplayer.playeravatar->sk, &localplayer.pose,
 187                              localplayer.final_mtx );
 188    skeleton_debug( sk, localplayer.final_mtx );
 189
 190    if( sys->post_animate )
 191       sys->post_animate();
 192
 193    player__cam_iterate();
 194 }
 195
 196 static void player_copy_frame_animator( replay_frame *frame ){
 197    struct player_subsystem_interface *sys =
 198       player_subsystems[localplayer.subsystem];
 199
 200    if( sys->animator_size ){
 201       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 202       memcpy( sys->animator_data, src, sys->animator_size );
 203    }
 204 }
 205
 206 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 207                               player_pose *posed ){
 208    struct skeleton *sk = &localplayer.playeravatar->sk;
 209
 210    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 211    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 212    posed->type = pose0->type;
 213    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 214
 215    if( pose0->type != pose1->type ){
 216       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 217       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 218    }
 219    else {
 220       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 221                           posed->keyframes );
 222    }
 223 }
 224
 225 static void player__animate_from_replay( replay_buffer *replay ){
 226    replay_frame *frame = replay->cursor_frame,
 227                 *next = NULL;
 228    if( frame ){
 229       next = frame->r;
 230
 231       if( next ){
 232          f32 t = replay_subframe_time( replay );
 233
 234          player_pose pose0, pose1;
 235
 236          struct player_subsystem_interface
 237             *sys0 = player_subsystems[frame->system],
 238             *sys1 = player_subsystems[next->system];
 239
 240          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 241               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 242
 243          sys0->pose( a0, &pose0 );
 244          sys1->pose( a1, &pose1 );
 245
 246          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 247       }
 248       else{
 249          struct player_subsystem_interface
 250             *sys = player_subsystems[frame->system];
 251          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 252                      &localplayer.pose );
 253       }
 254    }
 255    else return;
 256
 257    apply_full_skeleton_pose( &localplayer.playeravatar->sk, &localplayer.pose,
 258                              localplayer.final_mtx );
 259 }
 260
 261 static void player__pre_render(void){
 262    /* shadowing/ao info */
 263    struct player_avatar *av = localplayer.playeravatar;
 264    struct player_board *board =
 265       addon_cache_item_if_loaded( k_addon_type_board,
 266                                   localplayer.board_view_slot );
 267    v3f vp0, vp1;
 268    if( board ){
 269       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 270       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 271    }
 272    else{
 273       v3_zero( vp0 );
 274       v3_zero( vp1 );
 275    }
 276
 277    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 278    m4x3_mulv( localplayer.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 279    m4x3_mulv( localplayer.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 280 }
 281
 282 static void render_board( camera *cam, world_instance *world,
 283                           struct player_board *board, m4x3f root,
 284                           struct player_board_pose *pose,
 285                           enum board_shader shader )
 286 {
 287    if( !board ) return;
 288
 289    /* TODO:
 290     *  adding depth compare to this shader
 291     */
 292
 293    v3f inverse;
 294
 295    glActiveTexture( GL_TEXTURE0 );
 296    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 297
 298    if( shader == k_board_shader_player ){
 299       shader_model_board_view_use();
 300       shader_model_board_view_uTexMain( 0 );
 301       shader_model_board_view_uCamera( cam->transform[3] );
 302       shader_model_board_view_uPv( cam->mtx.pv );
 303       shader_model_board_view_uTexSceneDepth( 1 );
 304       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 305
 306       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 307
 308       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 309
 310       shader_model_board_view_uInverseRatioDepth( inverse );
 311       render_fb_inverse_ratio( NULL, inverse );
 312       inverse[2] = cam->farz-cam->nearz;
 313       shader_model_board_view_uInverseRatioMain( inverse );
 314
 315       world_link_lighting_ub( world, _shader_model_board_view.id );
 316       world_bind_position_texture( world, _shader_model_board_view.id,
 317                                  _uniform_model_board_view_g_world_depth, 2 );
 318       world_bind_light_array( world, _shader_model_board_view.id,
 319                                  _uniform_model_board_view_uLightsArray, 3 );
 320       world_bind_light_index( world, _shader_model_board_view.id,
 321                                  _uniform_model_board_view_uLightsIndex, 4 );
 322    }
 323    else if( shader == k_board_shader_entity ){
 324       shader_model_entity_use();
 325       shader_model_entity_uTexMain( 0 );
 326       shader_model_entity_uCamera( cam->transform[3] );
 327       shader_model_entity_uPv( cam->mtx.pv );
 328
 329       world_link_lighting_ub( world, _shader_model_entity.id );
 330       world_bind_position_texture( world, _shader_model_entity.id,
 331                                  _uniform_model_entity_g_world_depth, 2 );
 332       world_bind_light_array( world, _shader_model_entity.id,
 333                                  _uniform_model_entity_uLightsArray, 3 );
 334       world_bind_light_index( world, _shader_model_entity.id,
 335                                  _uniform_model_entity_uLightsIndex, 4 );
 336    }
 337
 338    mesh_bind( &board->mdl.mesh );
 339
 340    m4x4f m4mdl;
 341
 342    if( board->board.indice_count ){
 343       m4x3f mlocal;
 344       m3x3_identity( mlocal );
 345
 346       mdl_keyframe kf;
 347       v3_zero( kf.co );
 348       q_identity( kf.q );
 349       v3_zero( kf.s );
 350
 351       v4f qroll;
 352       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 353       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 354                               (v3f){0.0f,0.0f,0.0f}, qroll );
 355
 356       v3_add( board->board_position, kf.co, mlocal[3] );
 357       q_m3x3( kf.q, mlocal );
 358
 359       m4x3_mul( root, mlocal, mlocal );
 360
 361       if( shader == k_board_shader_entity ){
 362          /* TODO: provide a way to supply previous mdl mtx? */
 363          m4x3_expand( mlocal, m4mdl );
 364          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 365          shader_model_entity_uPvmPrev( m4mdl );
 366          shader_model_entity_uMdl( mlocal );
 367       }
 368       else
 369          shader_model_board_view_uMdl( mlocal );
 370
 371       mdl_draw_submesh( &board->board );
 372    }
 373
 374    for( int i=0; i<2; i++ ){
 375       if( !board->trucks[i].indice_count )
 376          continue;
 377
 378       m4x3f mlocal;
 379       m3x3_identity( mlocal );
 380       v3_copy( board->truck_positions[i], mlocal[3] );
 381       m4x3_mul( root, mlocal, mlocal );
 382
 383       if( shader == k_board_shader_entity ){
 384          m4x3_expand( mlocal, m4mdl );
 385          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 386          shader_model_entity_uPvmPrev( m4mdl );
 387          shader_model_entity_uMdl( mlocal );
 388       }
 389       else
 390          shader_model_board_view_uMdl( mlocal );
 391
 392       mdl_draw_submesh( &board->trucks[i] );
 393    }
 394
 395    for( int i=0; i<4; i++ ){
 396       if( !board->wheels[i].indice_count )
 397          continue;
 398
 399       m4x3f mlocal;
 400       m3x3_identity( mlocal );
 401       v3_copy( board->wheel_positions[i], mlocal[3] );
 402       m4x3_mul( root, mlocal, mlocal );
 403
 404       if( shader == k_board_shader_entity ){
 405          m4x3_expand( mlocal, m4mdl );
 406          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 407          shader_model_entity_uPvmPrev( m4mdl );
 408          shader_model_entity_uMdl( mlocal );
 409       }
 410       else
 411          shader_model_board_view_uMdl( mlocal );
 412
 413       mdl_draw_submesh( &board->wheels[i] );
 414    }
 415 }
 416
 417 static void render_playermodel( camera *cam, world_instance *world,
 418                                 int depth_compare,
 419                                 struct player_model *model,
 420                                 struct skeleton *skeleton,
 421                                 m4x3f *final_mtx ){
 422    if( !model ) return;
 423
 424    shader_model_character_view_use();
 425
 426         glActiveTexture( GL_TEXTURE0 );
 427         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 428    shader_model_character_view_uTexMain( 0 );
 429    shader_model_character_view_uCamera( cam->transform[3] );
 430    shader_model_character_view_uPv( cam->mtx.pv );
 431
 432    if( depth_compare ){
 433       shader_model_character_view_uTexSceneDepth( 1 );
 434       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 435       v3f inverse;
 436       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 437       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 438
 439       shader_model_character_view_uInverseRatioDepth( inverse );
 440       render_fb_inverse_ratio( NULL, inverse );
 441       inverse[2] = cam->farz-cam->nearz;
 442       shader_model_character_view_uInverseRatioMain( inverse );
 443    }
 444    shader_model_character_view_uDepthCompare( depth_compare );
 445
 446    world_link_lighting_ub( world, _shader_model_character_view.id );
 447    world_bind_position_texture( world, _shader_model_character_view.id,
 448                               _uniform_model_character_view_g_world_depth, 2 );
 449    world_bind_light_array( world, _shader_model_character_view.id,
 450                               _uniform_model_character_view_uLightsArray, 3 );
 451    world_bind_light_index( world, _shader_model_character_view.id,
 452                               _uniform_model_character_view_uLightsIndex, 4 );
 453
 454    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 455                          skeleton->bone_count,
 456                          0,
 457                          (f32 *)final_mtx );
 458
 459    mesh_bind( &model->mdl.mesh );
 460    mesh_draw( &model->mdl.mesh );
 461 }
 462
 463 static void player__render( camera *cam ){
 464    world_instance *world = world_current_instance();
 465    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 466
 467    struct player_model *model =
 468       addon_cache_item_if_loaded( k_addon_type_player,
 469                                   localplayer.playermodel_view_slot );
 470
 471    if( !model ) model = &localplayer.fallback_model;
 472    render_playermodel( cam, world, 1, model, &localplayer.playeravatar->sk,
 473                        localplayer.final_mtx );
 474
 475    struct player_board *board =
 476       addon_cache_item_if_loaded( k_addon_type_board,
 477                                   localplayer.board_view_slot );
 478
 479    render_board( cam, world, board, localplayer.final_mtx[
 480                                        localplayer.playeravatar->id_board],
 481                                     &localplayer.pose.board,
 482                                     k_board_shader_player );
 483
 484    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 485 }
 486
 487 #endif /* PLAYER_RENDER_C */