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 static void player_avatar_load( struct player_avatar *av, const char *path ){
  17    mdl_open( &av->meta, path, vg_mem.rtmemory );
  18    mdl_load_metadata_block( &av->meta, vg_mem.rtmemory );
  19    mdl_load_animation_block( &av->meta, vg_mem.rtmemory );
  20    mdl_close( &av->meta );
  21
  22    struct skeleton *sk = &av->sk;
  23    skeleton_setup( sk, vg_mem.rtmemory, &av->meta );
  24
  25    av->id_hip        = skeleton_bone_id( sk, "hips" );
  26    av->id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  27    av->id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  28    av->id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  29    av->id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  30    av->id_head       = skeleton_bone_id( sk, "head" );
  31    av->id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  32    av->id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  33    av->id_board      = skeleton_bone_id( sk, "board" );
  34    av->id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  35    av->id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  36    av->id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  37    av->id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  38 }
  39
  40 /* TODO: Standard model load */
  41
  42 static void dynamic_model_load( mdl_context *ctx,
  43                                    struct dynamic_model_1texture *mdl,
  44                                    const char *path ){
  45    if( !mdl_arrcount( &ctx->textures ) )
  46       vg_fatal_error( "No texture in model" );
  47
  48    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  49    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  50    mdl_fread_pack_file( ctx, &tex0->file, data );
  51
  52    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  53                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  54                             &mdl->texture );
  55
  56    mdl_async_load_glmesh( ctx, &mdl->mesh );
  57 }
  58
  59 static void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
  60    mesh_free( &mdl->mesh );
  61    glDeleteTextures( 1, &mdl->texture );
  62 }
  63
  64 /* TODO: allow error handling */
  65 static void player_board_load( struct player_board *board,
  66                                   const char *path ){
  67
  68    vg_linear_clear( vg_mem.scratch );
  69
  70    mdl_context ctx;
  71    mdl_open( &ctx, path, vg_mem.scratch );
  72    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  73
  74    dynamic_model_load( &ctx, &board->mdl, path );
  75
  76    mdl_array_ptr markers;
  77    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  78
  79    /* TODO: you get put into a new section, the above is standard mdl loads. */
  80    for( int i=0; i<4; i++ )
  81       board->wheels[i].indice_count = 0;
  82    for( int i=0; i<2; i++ )
  83       board->trucks[i].indice_count = 0;
  84    board->board.indice_count = 0;
  85
  86    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  87       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  88
  89       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
  90          continue;
  91
  92       u32 index = mdl_entity_id_id( mesh->entity_id );
  93       ent_marker *marker = mdl_arritm( &markers, index );
  94
  95       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
  96
  97       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
  98       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
  99           fb = marker->transform.co[2] > 0.0f? 0: 1;
 100
 101       if( !strcmp( alias, "wheel" ) ){
 102          u32 id = fb<<1 | lr;
 103          board->wheels[ id ] = *sm0;
 104          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 105       }
 106       else if( !strcmp( alias, "board" ) ){
 107          board->board = *sm0;
 108          v3_copy( marker->transform.co, board->board_position );
 109       }
 110       else if( !strcmp( alias, "truck" ) ){
 111          board->trucks[ fb ] = *sm0;
 112          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 113       }
 114    }
 115
 116    mdl_close( &ctx );
 117 }
 118
 119 static void player_board_unload( struct player_board *board ){
 120    dynamic_model_unload( &board->mdl );
 121 }
 122
 123 static void player_model_load( struct player_model *board, const char *path){
 124    vg_linear_clear( vg_mem.scratch );
 125
 126    mdl_context ctx;
 127    mdl_open( &ctx, path, vg_mem.scratch );
 128    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 129
 130    dynamic_model_load( &ctx, &board->mdl, path );
 131
 132    mdl_close( &ctx );
 133 }
 134
 135 static void player_model_unload( struct player_model *board ){
 136    dynamic_model_unload( &board->mdl );
 137 }
 138
 139 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 140                                       m4x3f *final_mtx ){
 141    m4x3f transform;
 142    q_m3x3( pose->root_q, transform );
 143    v3_copy( pose->root_co, transform[3] );
 144
 145    if( pose->type == k_player_pose_type_ik ){
 146       skeleton_apply_pose( sk, pose->keyframes,
 147                            k_anim_apply_defer_ik, final_mtx );
 148       skeleton_apply_ik_pass( sk, final_mtx );
 149       skeleton_apply_pose( sk, pose->keyframes,
 150                            k_anim_apply_deffered_only, final_mtx );
 151       skeleton_apply_inverses( sk, final_mtx );
 152       skeleton_apply_transform( sk, transform, final_mtx );
 153    }
 154    else if( pose->type == k_player_pose_type_fk_2 ){
 155       skeleton_apply_pose( sk, pose->keyframes,
 156                            k_anim_apply_always, final_mtx );
 157       skeleton_apply_inverses( sk, final_mtx );
 158       skeleton_apply_transform( sk, transform, final_mtx );
 159    }
 160 }
 161
 162 static void player__animate(void){
 163    struct player_subsystem_interface *sys =
 164       player_subsystems[localplayer.subsystem];
 165
 166    assert( sys->animate );
 167    assert( sys->pose );
 168    assert( sys->animator_data );
 169
 170    sys->animate();
 171    sys->pose( sys->animator_data, &localplayer.pose );
 172
 173    struct skeleton *sk = &localplayer.playeravatar->sk;
 174
 175    if( localplayer.holdout_time > 0.0f ){
 176       player_pose *pose = &localplayer.pose;
 177       skeleton_lerp_pose( sk,
 178                           pose->keyframes,localplayer.holdout_pose.keyframes,
 179                           localplayer.holdout_time, pose->keyframes );
 180       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 181                localplayer.holdout_time, pose->root_q );
 182       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 183    }
 184
 185    apply_full_skeleton_pose( &localplayer.playeravatar->sk, &localplayer.pose,
 186                              localplayer.final_mtx );
 187    skeleton_debug( sk, localplayer.final_mtx );
 188
 189    if( sys->post_animate )
 190       sys->post_animate();
 191
 192    player__cam_iterate();
 193 }
 194
 195 static void player_copy_frame_animator( replay_frame *frame ){
 196    struct player_subsystem_interface *sys =
 197       player_subsystems[localplayer.subsystem];
 198
 199    if( sys->animator_size ){
 200       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 201       memcpy( sys->animator_data, src, sys->animator_size );
 202    }
 203 }
 204
 205 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 206                               player_pose *posed ){
 207    struct skeleton *sk = &localplayer.playeravatar->sk;
 208
 209    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 210    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 211    posed->type = pose0->type;
 212    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 213
 214    if( pose0->type != pose1->type ){
 215       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 216       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 217    }
 218    else {
 219       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 220                           posed->keyframes );
 221    }
 222 }
 223
 224 static void player__animate_from_replay( replay_buffer *replay ){
 225    replay_frame *frame = replay->cursor_frame,
 226                 *next = NULL;
 227    if( frame ){
 228       next = frame->r;
 229
 230       if( next ){
 231          f32 t = replay_subframe_time( replay );
 232
 233          player_pose pose0, pose1;
 234
 235          struct player_subsystem_interface
 236             *sys0 = player_subsystems[frame->system],
 237             *sys1 = player_subsystems[next->system];
 238
 239          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 240               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 241
 242          sys0->pose( a0, &pose0 );
 243          sys1->pose( a1, &pose1 );
 244
 245          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 246       }
 247       else{
 248          struct player_subsystem_interface
 249             *sys = player_subsystems[frame->system];
 250          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 251                      &localplayer.pose );
 252       }
 253    }
 254    else return;
 255
 256    apply_full_skeleton_pose( &localplayer.playeravatar->sk, &localplayer.pose,
 257                              localplayer.final_mtx );
 258 }
 259
 260 static void player__pre_render(void){
 261    /* shadowing/ao info */
 262    struct player_avatar *av = localplayer.playeravatar;
 263    struct player_board *board =
 264       addon_cache_item_if_loaded( k_addon_type_board,
 265                                   localplayer.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( localplayer.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 278    m4x3_mulv( localplayer.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 279 }
 280
 281 static void render_board( camera *cam, world_instance *world,
 282                           struct player_board *board, m4x3f root,
 283                           struct player_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 static void render_playermodel( camera *cam, world_instance *world,
 413                                 int depth_compare,
 414                                 struct player_model *model,
 415                                 struct skeleton *skeleton,
 416                                 m4x3f *final_mtx ){
 417    if( !model ) return;
 418
 419    shader_model_character_view_use();
 420
 421         glActiveTexture( GL_TEXTURE0 );
 422         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 423    shader_model_character_view_uTexMain( 0 );
 424    shader_model_character_view_uCamera( cam->transform[3] );
 425    shader_model_character_view_uPv( cam->mtx.pv );
 426
 427    if( depth_compare ){
 428       shader_model_character_view_uTexSceneDepth( 1 );
 429       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 430       v3f inverse;
 431       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 432       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 433
 434       shader_model_character_view_uInverseRatioDepth( inverse );
 435       render_fb_inverse_ratio( NULL, inverse );
 436       inverse[2] = cam->farz-cam->nearz;
 437       shader_model_character_view_uInverseRatioMain( inverse );
 438    }
 439    shader_model_character_view_uDepthCompare( depth_compare );
 440
 441    world_link_lighting_ub( world, _shader_model_character_view.id );
 442    world_bind_position_texture( world, _shader_model_character_view.id,
 443                               _uniform_model_character_view_g_world_depth, 2 );
 444    world_bind_light_array( world, _shader_model_character_view.id,
 445                               _uniform_model_character_view_uLightsArray, 3 );
 446    world_bind_light_index( world, _shader_model_character_view.id,
 447                               _uniform_model_character_view_uLightsIndex, 4 );
 448
 449    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 450                          skeleton->bone_count,
 451                          0,
 452                          (f32 *)final_mtx );
 453
 454    mesh_bind( &model->mdl.mesh );
 455    mesh_draw( &model->mdl.mesh );
 456 }
 457
 458 static void player__render( camera *cam ){
 459    world_instance *world = world_current_instance();
 460    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 461
 462    struct player_model *model =
 463       addon_cache_item_if_loaded( k_addon_type_player,
 464                                   localplayer.playermodel_view_slot );
 465
 466    if( !model ) model = &localplayer.fallback_model;
 467    render_playermodel( cam, world, 1, model, &localplayer.playeravatar->sk,
 468                        localplayer.final_mtx );
 469
 470    struct player_board *board =
 471       addon_cache_item_if_loaded( k_addon_type_board,
 472                                   localplayer.board_view_slot );
 473
 474    render_board( cam, world, board, localplayer.final_mtx[
 475                                        localplayer.playeravatar->id_board],
 476                                     &localplayer.pose.board,
 477                                     k_board_shader_player );
 478
 479    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 480 }
 481
 482 #endif /* PLAYER_RENDER_C */