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 #include "depth_compare.h"
  17
  18 static void player_avatar_load( struct player_avatar *av, const char *path ){
  19    mdl_open( &av->meta, path, vg_mem.rtmemory );
  20    mdl_load_metadata_block( &av->meta, vg_mem.rtmemory );
  21    mdl_load_animation_block( &av->meta, vg_mem.rtmemory );
  22    mdl_close( &av->meta );
  23
  24    struct skeleton *sk = &av->sk;
  25    skeleton_setup( sk, vg_mem.rtmemory, &av->meta );
  26
  27    av->id_hip        = skeleton_bone_id( sk, "hips" );
  28    av->id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  29    av->id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  30    av->id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  31    av->id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  32    av->id_head       = skeleton_bone_id( sk, "head" );
  33    av->id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  34    av->id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  35    av->id_board      = skeleton_bone_id( sk, "board" );
  36    av->id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  37    av->id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  38    av->id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  39    av->id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  40 }
  41
  42 /* TODO: Standard model load */
  43
  44 static void dynamic_model_load( mdl_context *ctx,
  45                                    struct dynamic_model_1texture *mdl,
  46                                    const char *path ){
  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 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 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 static void player_board_unload( struct player_board *board ){
 122    dynamic_model_unload( &board->mdl );
 123 }
 124
 125 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 static void player_model_unload( struct player_model *board ){
 138    dynamic_model_unload( &board->mdl );
 139 }
 140
 141 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 142                                       m4x3f *final_mtx ){
 143    m4x3f transform;
 144    q_m3x3( pose->root_q, transform );
 145    v3_copy( pose->root_co, transform[3] );
 146
 147    if( pose->type == k_player_pose_type_ik ){
 148       skeleton_apply_pose( sk, pose->keyframes,
 149                            k_anim_apply_defer_ik, final_mtx );
 150       skeleton_apply_ik_pass( sk, final_mtx );
 151       skeleton_apply_pose( sk, pose->keyframes,
 152                            k_anim_apply_deffered_only, final_mtx );
 153       skeleton_apply_inverses( sk, final_mtx );
 154       skeleton_apply_transform( sk, transform, final_mtx );
 155    }
 156    else if( pose->type == k_player_pose_type_fk_2 ){
 157       skeleton_apply_pose( sk, pose->keyframes,
 158                            k_anim_apply_always, final_mtx );
 159       skeleton_apply_inverses( sk, final_mtx );
 160       skeleton_apply_transform( sk, transform, final_mtx );
 161    }
 162 }
 163
 164 static void player__animate(void){
 165    struct player_subsystem_interface *sys =
 166       player_subsystems[localplayer.subsystem];
 167
 168    assert( sys->animate );
 169    assert( sys->pose );
 170    assert( sys->animator_data );
 171
 172    sys->animate();
 173    sys->pose( sys->animator_data, &localplayer.pose );
 174
 175    struct skeleton *sk = &localplayer.playeravatar->sk;
 176
 177    if( localplayer.holdout_time > 0.0f ){
 178       player_pose *pose = &localplayer.pose;
 179       skeleton_lerp_pose( sk,
 180                           pose->keyframes,localplayer.holdout_pose.keyframes,
 181                           localplayer.holdout_time, pose->keyframes );
 182       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 183                localplayer.holdout_time, pose->root_q );
 184       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 185    }
 186
 187    apply_full_skeleton_pose( &localplayer.playeravatar->sk, &localplayer.pose,
 188                              localplayer.final_mtx );
 189    skeleton_debug( sk, localplayer.final_mtx );
 190
 191    if( sys->post_animate )
 192       sys->post_animate();
 193
 194    player__cam_iterate();
 195 }
 196
 197 static void player_copy_frame_animator( replay_frame *frame ){
 198    struct player_subsystem_interface *sys =
 199       player_subsystems[localplayer.subsystem];
 200
 201    if( sys->animator_size ){
 202       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 203       memcpy( sys->animator_data, src, sys->animator_size );
 204    }
 205 }
 206
 207 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 208                               player_pose *posed ){
 209    struct skeleton *sk = &localplayer.playeravatar->sk;
 210
 211    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 212    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 213    posed->type = pose0->type;
 214    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 215
 216    if( pose0->type != pose1->type ){
 217       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 218       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 219    }
 220    else {
 221       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 222                           posed->keyframes );
 223    }
 224 }
 225
 226 static void player__animate_from_replay( replay_buffer *replay ){
 227    replay_frame *frame = replay->cursor_frame,
 228                 *next = NULL;
 229    if( frame ){
 230       next = frame->r;
 231
 232       if( next ){
 233          f32 t = replay_subframe_time( replay );
 234
 235          player_pose pose0, pose1;
 236
 237          struct player_subsystem_interface
 238             *sys0 = player_subsystems[frame->system],
 239             *sys1 = player_subsystems[next->system];
 240
 241          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 242               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 243
 244          sys0->pose( a0, &pose0 );
 245          sys1->pose( a1, &pose1 );
 246
 247          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 248       }
 249       else{
 250          struct player_subsystem_interface
 251             *sys = player_subsystems[frame->system];
 252          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 253                      &localplayer.pose );
 254       }
 255    }
 256    else return;
 257
 258    apply_full_skeleton_pose( &localplayer.playeravatar->sk, &localplayer.pose,
 259                              localplayer.final_mtx );
 260 }
 261
 262 static void player__pre_render(void){
 263    /* shadowing/ao info */
 264    struct player_avatar *av = localplayer.playeravatar;
 265    struct player_board *board =
 266       addon_cache_item_if_loaded( k_addon_type_board,
 267                                   localplayer.board_view_slot );
 268    v3f vp0, vp1;
 269    if( board ){
 270       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 271       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 272    }
 273    else{
 274       v3_zero( vp0 );
 275       v3_zero( vp1 );
 276    }
 277
 278    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 279    m4x3_mulv( localplayer.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 280    m4x3_mulv( localplayer.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 281 }
 282
 283 static void render_board( camera *cam, world_instance *world,
 284                           struct player_board *board, m4x3f root,
 285                           struct player_board_pose *pose,
 286                           enum board_shader shader )
 287 {
 288    if( !board ) return;
 289
 290    /* TODO:
 291     *  adding depth compare to this shader
 292     */
 293
 294    v3f inverse;
 295
 296    glActiveTexture( GL_TEXTURE0 );
 297    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 298
 299    if( shader == k_board_shader_player ){
 300       shader_model_board_view_use();
 301       shader_model_board_view_uTexMain( 0 );
 302       shader_model_board_view_uCamera( cam->transform[3] );
 303       shader_model_board_view_uPv( cam->mtx.pv );
 304
 305       shader_model_board_view_uDepthCompare(1);
 306       depth_compare_bind(
 307          shader_model_board_view_uTexSceneDepth,
 308          shader_model_board_view_uInverseRatioDepth,
 309          shader_model_board_view_uInverseRatioMain,
 310          cam );
 311
 312       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_board_view );
 313    }
 314    else if( shader == k_board_shader_entity ){
 315       shader_model_entity_use();
 316       shader_model_entity_uTexMain( 0 );
 317       shader_model_entity_uCamera( cam->transform[3] );
 318       shader_model_entity_uPv( cam->mtx.pv );
 319
 320       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_entity );
 321    }
 322
 323    mesh_bind( &board->mdl.mesh );
 324
 325    m4x4f m4mdl;
 326
 327    if( board->board.indice_count ){
 328       m4x3f mlocal;
 329       m3x3_identity( mlocal );
 330
 331       mdl_keyframe kf;
 332       v3_zero( kf.co );
 333       q_identity( kf.q );
 334       v3_zero( kf.s );
 335
 336       v4f qroll;
 337       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 338       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 339                               (v3f){0.0f,0.0f,0.0f}, qroll );
 340
 341       v3_add( board->board_position, kf.co, mlocal[3] );
 342       q_m3x3( kf.q, mlocal );
 343
 344       m4x3_mul( root, mlocal, mlocal );
 345
 346       if( shader == k_board_shader_entity ){
 347          /* TODO: provide a way to supply previous mdl mtx? */
 348          m4x3_expand( mlocal, m4mdl );
 349          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 350          shader_model_entity_uPvmPrev( m4mdl );
 351          shader_model_entity_uMdl( mlocal );
 352       }
 353       else
 354          shader_model_board_view_uMdl( mlocal );
 355
 356       mdl_draw_submesh( &board->board );
 357    }
 358
 359    for( int i=0; i<2; i++ ){
 360       if( !board->trucks[i].indice_count )
 361          continue;
 362
 363       m4x3f mlocal;
 364       m3x3_identity( mlocal );
 365       v3_copy( board->truck_positions[i], mlocal[3] );
 366       m4x3_mul( root, mlocal, mlocal );
 367
 368       if( shader == k_board_shader_entity ){
 369          m4x3_expand( mlocal, m4mdl );
 370          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 371          shader_model_entity_uPvmPrev( m4mdl );
 372          shader_model_entity_uMdl( mlocal );
 373       }
 374       else
 375          shader_model_board_view_uMdl( mlocal );
 376
 377       mdl_draw_submesh( &board->trucks[i] );
 378    }
 379
 380    for( int i=0; i<4; i++ ){
 381       if( !board->wheels[i].indice_count )
 382          continue;
 383
 384       m4x3f mlocal;
 385       m3x3_identity( mlocal );
 386       v3_copy( board->wheel_positions[i], mlocal[3] );
 387       m4x3_mul( root, mlocal, mlocal );
 388
 389       if( shader == k_board_shader_entity ){
 390          m4x3_expand( mlocal, m4mdl );
 391          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 392          shader_model_entity_uPvmPrev( m4mdl );
 393          shader_model_entity_uMdl( mlocal );
 394       }
 395       else
 396          shader_model_board_view_uMdl( mlocal );
 397
 398       mdl_draw_submesh( &board->wheels[i] );
 399    }
 400 }
 401
 402 static void render_playermodel( camera *cam, world_instance *world,
 403                                 int depth_compare,
 404                                 struct player_model *model,
 405                                 struct skeleton *skeleton,
 406                                 m4x3f *final_mtx ){
 407    if( !model ) return;
 408
 409    shader_model_character_view_use();
 410
 411         glActiveTexture( GL_TEXTURE0 );
 412         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 413    shader_model_character_view_uTexMain( 0 );
 414    shader_model_character_view_uCamera( cam->transform[3] );
 415    shader_model_character_view_uPv( cam->mtx.pv );
 416
 417    shader_model_character_view_uDepthCompare( depth_compare );
 418    if( depth_compare ){
 419       depth_compare_bind(
 420          shader_model_character_view_uTexSceneDepth,
 421          shader_model_character_view_uInverseRatioDepth,
 422          shader_model_character_view_uInverseRatioMain,
 423          cam );
 424    }
 425
 426    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 427
 428    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 429                          skeleton->bone_count,
 430                          0,
 431                          (f32 *)final_mtx );
 432
 433    mesh_bind( &model->mdl.mesh );
 434    mesh_draw( &model->mdl.mesh );
 435 }
 436
 437 static void player__render( camera *cam ){
 438    world_instance *world = world_current_instance();
 439    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 440
 441    struct player_model *model =
 442       addon_cache_item_if_loaded( k_addon_type_player,
 443                                   localplayer.playermodel_view_slot );
 444
 445    if( !model ) model = &localplayer.fallback_model;
 446    render_playermodel( cam, world, 1, model, &localplayer.playeravatar->sk,
 447                        localplayer.final_mtx );
 448
 449    struct player_board *board =
 450       addon_cache_item_if_loaded( k_addon_type_board,
 451                                   localplayer.board_view_slot );
 452
 453    render_board( cam, world, board, localplayer.final_mtx[
 454                                        localplayer.playeravatar->id_board],
 455                                     &localplayer.pose.board,
 456                                     k_board_shader_player );
 457
 458    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 459 }
 460
 461 #endif /* PLAYER_RENDER_C */