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 player_apply_pose_to_skeleton(void){
 140    struct skeleton *sk = &localplayer.playeravatar->sk;
 141    player_pose *pose = &localplayer.pose;
 142
 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, k_anim_apply_defer_ik );
 149       skeleton_apply_ik_pass( sk );
 150       skeleton_apply_pose( sk, pose->keyframes, k_anim_apply_deffered_only );
 151       skeleton_apply_inverses( sk );
 152       skeleton_apply_transform( sk, transform );
 153    }
 154    else if( pose->type == k_player_pose_type_fk_2 ){
 155       skeleton_apply_pose( sk, pose->keyframes, k_anim_apply_always );
 156       skeleton_apply_inverses( sk );
 157       skeleton_apply_transform( sk, transform );
 158    }
 159 }
 160
 161 static void player__animate(void){
 162    struct player_subsystem_interface *sys =
 163       player_subsystems[localplayer.subsystem];
 164
 165    assert( sys->animate );
 166    assert( sys->pose );
 167    assert( sys->animator_data );
 168
 169    sys->animate();
 170    sys->pose( sys->animator_data, &localplayer.pose );
 171
 172    struct skeleton *sk = &localplayer.playeravatar->sk;
 173
 174    if( localplayer.holdout_time > 0.0f ){
 175       player_pose *pose = &localplayer.pose;
 176       skeleton_lerp_pose( sk,
 177                           pose->keyframes,localplayer.holdout_pose.keyframes,
 178                           localplayer.holdout_time, pose->keyframes );
 179       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 180                localplayer.holdout_time, pose->root_q );
 181       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 182    }
 183
 184    player_apply_pose_to_skeleton();
 185    skeleton_debug( sk );
 186
 187    if( sys->post_animate )
 188       sys->post_animate();
 189
 190    player__cam_iterate();
 191 }
 192
 193 static void player_copy_frame_animator( replay_frame *frame ){
 194    struct player_subsystem_interface *sys =
 195       player_subsystems[localplayer.subsystem];
 196
 197    if( sys->animator_size ){
 198       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 199       memcpy( sys->animator_data, src, sys->animator_size );
 200    }
 201 }
 202
 203 static void player__animate_from_replay( replay_buffer *replay ){
 204    replay_frame *frame = replay->cursor_frame,
 205                 *next = NULL;
 206    if( frame ){
 207       next = frame->r;
 208
 209       if( next ){
 210          f32 t = replay_subframe_time( replay );
 211
 212          player_pose pose0, pose1;
 213
 214          struct player_subsystem_interface
 215             *sys0 = player_subsystems[frame->system],
 216             *sys1 = player_subsystems[next->system];
 217
 218          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 219               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 220
 221          sys0->pose( a0, &pose0 );
 222          sys1->pose( a1, &pose1 );
 223
 224          v3_lerp( pose0.root_co, pose1.root_co, t, localplayer.pose.root_co );
 225          q_nlerp( pose0.root_q,  pose1.root_q,  t, localplayer.pose.root_q );
 226          localplayer.pose.type = pose0.type;
 227          localplayer.pose.board.lean = vg_lerpf( pose0.board.lean,
 228                                              pose1.board.lean, t );
 229
 230          struct skeleton *sk = &localplayer.playeravatar->sk;
 231          if( pose0.type != pose1.type ){
 232             /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 233             skeleton_copy_pose( sk, pose0.keyframes,
 234                                 localplayer.pose.keyframes );
 235          }
 236          else {
 237             skeleton_lerp_pose( sk, pose0.keyframes, pose1.keyframes,
 238                                 t, localplayer.pose.keyframes );
 239          }
 240       }
 241       else{
 242          struct player_subsystem_interface
 243             *sys = player_subsystems[frame->system];
 244          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 245                      &localplayer.pose );
 246       }
 247    }
 248    else return;
 249
 250    player_apply_pose_to_skeleton();
 251 }
 252
 253 static void player__pre_render(void){
 254    /* shadowing/ao info */
 255    struct player_avatar *av = localplayer.playeravatar;
 256    struct player_board *board =
 257       addon_cache_item_if_loaded( k_addon_type_board,
 258                                   localplayer.board_view_slot );
 259    v3f vp0, vp1;
 260    if( board ){
 261       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 262       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 263    }
 264    else{
 265       v3_zero( vp0 );
 266       v3_zero( vp1 );
 267    }
 268
 269    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 270    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 271    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 272 }
 273
 274 static void render_board( camera *cam, world_instance *world,
 275                           struct player_board *board, m4x3f root,
 276                           struct player_board_pose *pose,
 277                           enum board_shader shader )
 278 {
 279    if( !board ) return;
 280
 281    v3f inverse;
 282
 283    glActiveTexture( GL_TEXTURE0 );
 284    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 285
 286    if( shader == k_board_shader_player ){
 287       shader_model_board_view_use();
 288       shader_model_board_view_uTexMain( 0 );
 289       shader_model_board_view_uCamera( cam->transform[3] );
 290       shader_model_board_view_uPv( cam->mtx.pv );
 291       shader_model_board_view_uTexSceneDepth( 1 );
 292       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 293
 294       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 295
 296       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 297
 298       shader_model_board_view_uInverseRatioDepth( inverse );
 299       render_fb_inverse_ratio( NULL, inverse );
 300       inverse[2] = cam->farz-cam->nearz;
 301       shader_model_board_view_uInverseRatioMain( inverse );
 302
 303       world_link_lighting_ub( world, _shader_model_board_view.id );
 304       world_bind_position_texture( world, _shader_model_board_view.id,
 305                                  _uniform_model_board_view_g_world_depth, 2 );
 306       world_bind_light_array( world, _shader_model_board_view.id,
 307                                  _uniform_model_board_view_uLightsArray, 3 );
 308       world_bind_light_index( world, _shader_model_board_view.id,
 309                                  _uniform_model_board_view_uLightsIndex, 4 );
 310    }
 311    else if( shader == k_board_shader_entity ){
 312       shader_model_entity_use();
 313       shader_model_entity_uTexMain( 0 );
 314       shader_model_entity_uCamera( cam->transform[3] );
 315       shader_model_entity_uPv( cam->mtx.pv );
 316
 317       world_link_lighting_ub( world, _shader_model_entity.id );
 318       world_bind_position_texture( world, _shader_model_entity.id,
 319                                  _uniform_model_entity_g_world_depth, 2 );
 320       world_bind_light_array( world, _shader_model_entity.id,
 321                                  _uniform_model_entity_uLightsArray, 3 );
 322       world_bind_light_index( world, _shader_model_entity.id,
 323                                  _uniform_model_entity_uLightsIndex, 4 );
 324    }
 325
 326    mesh_bind( &board->mdl.mesh );
 327
 328    m4x4f m4mdl;
 329
 330    if( board->board.indice_count ){
 331       m4x3f mlocal;
 332       m3x3_identity( mlocal );
 333
 334       mdl_keyframe kf;
 335       v3_zero( kf.co );
 336       q_identity( kf.q );
 337       v3_zero( kf.s );
 338
 339       v4f qroll;
 340       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 341       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 342                               (v3f){0.0f,0.0f,0.0f}, qroll );
 343
 344       v3_add( board->board_position, kf.co, mlocal[3] );
 345       q_m3x3( kf.q, mlocal );
 346
 347       m4x3_mul( root, mlocal, mlocal );
 348
 349       if( shader == k_board_shader_entity ){
 350          /* TODO: provide a way to supply previous mdl mtx? */
 351          m4x3_expand( mlocal, m4mdl );
 352          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 353          shader_model_entity_uPvmPrev( m4mdl );
 354          shader_model_entity_uMdl( mlocal );
 355       }
 356       else
 357          shader_model_board_view_uMdl( mlocal );
 358
 359       mdl_draw_submesh( &board->board );
 360    }
 361
 362    for( int i=0; i<2; i++ ){
 363       if( !board->trucks[i].indice_count )
 364          continue;
 365
 366       m4x3f mlocal;
 367       m3x3_identity( mlocal );
 368       v3_copy( board->truck_positions[i], mlocal[3] );
 369       m4x3_mul( root, mlocal, mlocal );
 370
 371       if( shader == k_board_shader_entity ){
 372          m4x3_expand( mlocal, m4mdl );
 373          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 374          shader_model_entity_uPvmPrev( m4mdl );
 375          shader_model_entity_uMdl( mlocal );
 376       }
 377       else
 378          shader_model_board_view_uMdl( mlocal );
 379
 380       mdl_draw_submesh( &board->trucks[i] );
 381    }
 382
 383    for( int i=0; i<4; i++ ){
 384       if( !board->wheels[i].indice_count )
 385          continue;
 386
 387       m4x3f mlocal;
 388       m3x3_identity( mlocal );
 389       v3_copy( board->wheel_positions[i], mlocal[3] );
 390       m4x3_mul( root, mlocal, mlocal );
 391
 392       if( shader == k_board_shader_entity ){
 393          m4x3_expand( mlocal, m4mdl );
 394          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 395          shader_model_entity_uPvmPrev( m4mdl );
 396          shader_model_entity_uMdl( mlocal );
 397       }
 398       else
 399          shader_model_board_view_uMdl( mlocal );
 400
 401       mdl_draw_submesh( &board->wheels[i] );
 402    }
 403 }
 404
 405 static void render_playermodel( camera *cam, world_instance *world,
 406                                 int depth_compare,
 407                                 struct player_model *model,
 408                                 struct skeleton *skeleton ){
 409    if( !model ) return;
 410
 411    shader_model_character_view_use();
 412
 413         glActiveTexture( GL_TEXTURE0 );
 414         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 415    shader_model_character_view_uTexMain( 0 );
 416    shader_model_character_view_uCamera( cam->transform[3] );
 417    shader_model_character_view_uPv( cam->mtx.pv );
 418
 419    if( depth_compare ){
 420       shader_model_character_view_uTexSceneDepth( 1 );
 421       render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 422       v3f inverse;
 423       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 424       inverse[2] = skaterift.cam.farz-skaterift.cam.nearz;
 425
 426       shader_model_character_view_uInverseRatioDepth( inverse );
 427       render_fb_inverse_ratio( NULL, inverse );
 428       inverse[2] = cam->farz-cam->nearz;
 429       shader_model_character_view_uInverseRatioMain( inverse );
 430    }
 431    shader_model_character_view_uDepthCompare( depth_compare );
 432
 433    world_link_lighting_ub( world, _shader_model_character_view.id );
 434    world_bind_position_texture( world, _shader_model_character_view.id,
 435                               _uniform_model_character_view_g_world_depth, 2 );
 436    world_bind_light_array( world, _shader_model_character_view.id,
 437                               _uniform_model_character_view_uLightsArray, 3 );
 438    world_bind_light_index( world, _shader_model_character_view.id,
 439                               _uniform_model_character_view_uLightsIndex, 4 );
 440
 441    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 442                          skeleton->bone_count,
 443                          0,
 444                          (float *)skeleton->final_mtx );
 445
 446    mesh_bind( &model->mdl.mesh );
 447    mesh_draw( &model->mdl.mesh );
 448 }
 449
 450 static void player__render( camera *cam ){
 451    world_instance *world = world_current_instance();
 452    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 453
 454    struct player_model *model =
 455       addon_cache_item_if_loaded( k_addon_type_player,
 456                                   localplayer.playermodel_view_slot );
 457
 458    if( !model ) model = &localplayer.fallback_model;
 459    render_playermodel( cam, world, 1, model, &localplayer.playeravatar->sk );
 460
 461    struct player_board *board =
 462       addon_cache_item_if_loaded( k_addon_type_board,
 463                                   localplayer.board_view_slot );
 464
 465    render_board( cam, world, board, localplayer.playeravatar->sk.final_mtx[
 466                                     localplayer.playeravatar->id_board],
 467                                     &localplayer.pose.board,
 468                                     k_board_shader_player );
 469
 470    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 471 }
 472
 473 #endif /* PLAYER_RENDER_C */