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
  11 #include "shaders/model_character_view.h"
  12 #include "shaders/model_board_view.h"
  13 #include "shaders/model_entity.h"
  14
  15 VG_STATIC void player_avatar_load( struct player_avatar *av, const char *path )
  16 {
  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 VG_STATIC void player_model_load( struct player_model *mdl, const char *path )
  43 {
  44    vg_linear_clear( vg_mem.scratch );
  45
  46    mdl_context ctx;
  47    mdl_open( &ctx, path, vg_mem.scratch );
  48    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  49
  50    if( !mdl_arrcount( &ctx.textures ) )
  51       vg_fatal_error( "No texture in player model" );
  52
  53    mdl_texture *tex0 = mdl_arritm( &ctx.textures, 0 );
  54    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  55    mdl_fread_pack_file( &ctx, &tex0->file, data );
  56
  57    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  58                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  59                             &mdl->texture );
  60
  61    mdl_async_load_glmesh( &ctx, &mdl->mesh );
  62    mdl_close( &ctx );
  63 }
  64
  65 /* TODO: allow error handling */
  66 VG_STATIC void player_board_load( struct player_board *mdl, 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    mdl_array_ptr markers;
  75    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  76
  77    if( !mdl_arrcount( &ctx.textures ) )
  78       vg_fatal_error( "No texture in board model" );
  79
  80    mdl_texture *tex0 = mdl_arritm( &ctx.textures, 0 );
  81    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  82    mdl_fread_pack_file( &ctx, &tex0->file, data );
  83
  84    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  85                             VG_TEX2D_CLAMP|VG_TEX2D_NEAREST,
  86                             &mdl->texture );
  87
  88    mdl_async_load_glmesh( &ctx, &mdl->mesh );
  89    mdl_close( &ctx );
  90
  91    for( int i=0; i<4; i++ )
  92       mdl->wheels[i].indice_count = 0;
  93    for( int i=0; i<2; i++ )
  94       mdl->trucks[i].indice_count = 0;
  95    mdl->board.indice_count = 0;
  96
  97    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  98       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  99
 100       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 101          continue;
 102
 103       u32 index = mdl_entity_id_id( mesh->entity_id );
 104       ent_marker *marker = mdl_arritm( &markers, index );
 105
 106       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 107
 108       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 109       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 110           fb = marker->transform.co[2] > 0.0f? 0: 1;
 111
 112       if( !strcmp( alias, "wheel" ) ){
 113          u32 id = fb<<1 | lr;
 114          mdl->wheels[ id ] = *sm0;
 115          v3_copy( marker->transform.co, mdl->wheel_positions[ id ] );
 116       }
 117       else if( !strcmp( alias, "board" ) ){
 118          mdl->board = *sm0;
 119          v3_copy( marker->transform.co, mdl->board_position );
 120       }
 121       else if( !strcmp( alias, "truck" ) ){
 122          mdl->trucks[ fb ] = *sm0;
 123          v3_copy( marker->transform.co, mdl->truck_positions[ fb ] );
 124       }
 125    }
 126 }
 127
 128 VG_STATIC void player_board_unload( struct player_board *mdl )
 129 {
 130    mesh_free( &mdl->mesh );
 131    glDeleteTextures( 1, &mdl->texture );
 132 }
 133
 134 VG_STATIC void player__pre_render( player_instance *player )
 135 {
 136    if( _player_animate[ player->subsystem ] ){
 137       player_animation res;
 138       _player_animate[ player->subsystem ]( player, &res );
 139
 140       m4x3f transform;
 141       q_m3x3( res.root_q, transform );
 142       v3_copy( res.root_co, transform[3] );
 143
 144       struct skeleton *sk = &player->playeravatar->sk;
 145
 146       if( player->holdout_time > 0.0f ){
 147          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 148                                            player->holdout_time, res.pose );
 149          player->holdout_time -= vg.time_frame_delta * 2.0f;
 150       }
 151
 152       skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 153       skeleton_apply_ik_pass( sk );
 154       skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 155       skeleton_apply_inverses( sk );
 156       skeleton_apply_transform( sk, transform );
 157
 158       skeleton_debug( sk );
 159    }
 160
 161    if( _player_post_animate[ player->subsystem ] )
 162       _player_post_animate[ player->subsystem ]( player );
 163
 164    struct player_avatar *av = player->playeravatar;
 165    struct player_board *board = player_get_player_board( player );
 166
 167    v3f vp0, vp1;
 168
 169    if( board ){
 170       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 171       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 172    }
 173    else{
 174       v3_zero( vp0 );
 175       v3_zero( vp1 );
 176    }
 177
 178    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 179    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 180    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 181
 182    if( player->immobile ){
 183       player__cam_iterate( player );
 184       return;
 185    }
 186
 187    if( player->rewinding ){
 188       if( player->rewind_time <= 0.0f ){
 189          double taken = vg.time - player->rewind_start;
 190          vg_success( "Rewind took (rt, pt, tl): %f, %f, %f\n",
 191                            taken, player->rewind_predicted_time,
 192                            player->rewind_total_length );
 193
 194          player->rewinding = 0;
 195          player->rewind_length = 1;
 196          player->rewind_total_length = 0.0f;
 197          player->rewind_accum = 0.0f;
 198          world_render.sky_target_rate = 1.0;
 199          world_static.time = world_static.last_use;
 200       }
 201       else{
 202          world_render.sky_target_rate = -100.0;
 203
 204          float budget         = vg.time_delta,
 205                overall_length = player->rewind_length;
 206
 207          for( int i=0; (i<10)&&(player->rewind_time>0.0f)&&(budget>0.0f); i++ ){
 208             /* Interpolate frames */
 209             int i0 = floorf( player->rewind_time ),
 210                 i1 = VG_MIN( i0+1, player->rewind_length-1 );
 211
 212             struct rewind_frame *fr =  &player->rewind_buffer[i0],
 213                                 *fr1 = &player->rewind_buffer[i1];
 214
 215             float dist = vg_maxf( v3_dist( fr->pos, fr1->pos ), 0.001f ),
 216                   subl = vg_fractf( player->rewind_time ) + 0.001f,
 217
 218                   sramp = 3.0f-(1.0f/(0.4f+0.4f*player->rewind_time)),
 219                   speed = sramp*28.0f + 0.5f*player->rewind_time,
 220                   mod  = speed * (budget / dist),
 221
 222                   advl = vg_minf( mod, subl ),
 223                   advt = (advl / mod) * budget;
 224
 225             player->dist_accum += speed * advt;
 226             player->rewind_time -= advl;
 227             budget -= advt;
 228          }
 229
 230          player->rewind_time = vg_maxf( 0.0f, player->rewind_time );
 231
 232          float current_time = vg.time - player->rewind_start,
 233                remaining    = player->rewind_predicted_time - current_time;
 234
 235          if( player->rewind_sound_wait ){
 236             if( player->rewind_predicted_time >= 6.5f ){
 237                if( remaining <= 6.5f ){
 238                   audio_lock();
 239                   audio_oneshot( &audio_rewind[3], 1.0f, 0.0f );
 240                   audio_unlock();
 241                   player->rewind_sound_wait = 0;
 242                }
 243             }
 244             else if( player->rewind_predicted_time >= 2.5f ){
 245                if( remaining <= 2.5f ){
 246                   audio_lock();
 247                   audio_oneshot( &audio_rewind[2], 1.0f, 0.0f );
 248                   audio_unlock();
 249                   player->rewind_sound_wait = 0;
 250                }
 251             }
 252             else if( player->rewind_predicted_time >= 1.5f ){
 253                if( remaining <= 1.5f ){
 254                   audio_lock();
 255                   audio_oneshot( &audio_rewind[1], 1.0f, 0.0f );
 256                   audio_unlock();
 257                   player->rewind_sound_wait = 0;
 258                }
 259             }
 260          }
 261
 262          int i0 = floorf( player->rewind_time ),
 263              i1 = VG_MIN( i0+1, player->rewind_length-1 );
 264
 265          struct rewind_frame *fr =  &player->rewind_buffer[i0],
 266                              *fr1 = &player->rewind_buffer[i1];
 267
 268          float sub = vg_fractf(player->rewind_time);
 269
 270          v3_lerp( fr->pos, fr1->pos, sub, player->cam_override_pos );
 271          player->cam_override_angles[0] =
 272             vg_alerpf( fr->ang[0], fr1->ang[0], sub );
 273          player->cam_override_angles[1] =
 274             vg_lerpf ( fr->ang[1], fr1->ang[1], sub );
 275          player->cam_override_fov = player->cam.fov;
 276
 277          float blend = player->rewind_time * 0.25f;
 278          player->cam_override_strength = vg_clampf( blend, 0.0f, 1.0f );
 279       }
 280    }
 281    else player->cam_override_strength = 0.0f;
 282
 283    player__cam_iterate( player );
 284 }
 285
 286 VG_STATIC void render_board( camera *cam, world_instance *world,
 287                              struct player_board *board, m4x3f root,
 288                              enum board_shader shader )
 289 {
 290    if( !board ) return;
 291
 292    v3f inverse;
 293
 294    glActiveTexture( GL_TEXTURE0 );
 295    glBindTexture( GL_TEXTURE_2D, board->texture );
 296
 297    if( shader == k_board_shader_player ){
 298       shader_model_board_view_use();
 299       shader_model_board_view_uTexMain( 0 );
 300       shader_model_board_view_uCamera( cam->transform[3] );
 301       shader_model_board_view_uPv( cam->mtx.pv );
 302       shader_model_board_view_uTexSceneDepth( 1 );
 303
 304       render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 305
 306       inverse[2] = main_camera.farz-main_camera.nearz;
 307
 308       shader_model_board_view_uInverseRatioDepth( inverse );
 309       render_fb_inverse_ratio( NULL, inverse );
 310       inverse[2] = cam->farz-cam->nearz;
 311       shader_model_board_view_uInverseRatioMain( inverse );
 312
 313       world_link_lighting_ub( world, _shader_model_board_view.id );
 314       world_bind_position_texture( world, _shader_model_board_view.id,
 315                                  _uniform_model_board_view_g_world_depth, 2 );
 316       world_bind_light_array( world, _shader_model_board_view.id,
 317                                  _uniform_model_board_view_uLightsArray, 3 );
 318       world_bind_light_index( world, _shader_model_board_view.id,
 319                                  _uniform_model_board_view_uLightsIndex, 4 );
 320    }
 321    else if( shader == k_board_shader_entity ){
 322       shader_model_entity_use();
 323       shader_model_entity_uTexMain( 0 );
 324       shader_model_entity_uCamera( cam->transform[3] );
 325       shader_model_entity_uPv( cam->mtx.pv );
 326
 327       world_link_lighting_ub( world, _shader_model_entity.id );
 328       world_bind_position_texture( world, _shader_model_entity.id,
 329                                  _uniform_model_entity_g_world_depth, 2 );
 330       world_bind_light_array( world, _shader_model_entity.id,
 331                                  _uniform_model_entity_uLightsArray, 3 );
 332       world_bind_light_index( world, _shader_model_entity.id,
 333                                  _uniform_model_entity_uLightsIndex, 4 );
 334    }
 335
 336    mesh_bind( &board->mesh );
 337
 338    m4x4f m4mdl;
 339
 340    if( board->board.indice_count ){
 341       m4x3f mlocal;
 342       m3x3_identity( mlocal );
 343       v3_copy( board->board_position, mlocal[3] );
 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 PLAYER_API void player__render( camera *cam, player_instance *player )
 403 {
 404    shader_model_character_view_use();
 405
 406         glActiveTexture( GL_TEXTURE0 );
 407         glBindTexture( GL_TEXTURE_2D, player->playermodel->texture );
 408    shader_model_character_view_uTexMain( 0 );
 409    shader_model_character_view_uCamera( cam->transform[3] );
 410    shader_model_character_view_uPv( cam->mtx.pv );
 411    shader_model_character_view_uTexSceneDepth( 1 );
 412    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 413    v3f inverse;
 414    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 415    inverse[2] = main_camera.farz-main_camera.nearz;
 416
 417    shader_model_character_view_uInverseRatioDepth( inverse );
 418    render_fb_inverse_ratio( NULL, inverse );
 419    inverse[2] = cam->farz-cam->nearz;
 420    shader_model_character_view_uInverseRatioMain( inverse );
 421
 422    world_instance *world = world_current_instance();
 423    world_link_lighting_ub( world, _shader_model_character_view.id );
 424    world_bind_position_texture( world, _shader_model_character_view.id,
 425                               _uniform_model_character_view_g_world_depth, 2 );
 426    world_bind_light_array( world, _shader_model_character_view.id,
 427                               _uniform_model_character_view_uLightsArray, 3 );
 428    world_bind_light_index( world, _shader_model_character_view.id,
 429                               _uniform_model_character_view_uLightsIndex, 4 );
 430
 431    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 432                          player->playeravatar->sk.bone_count,
 433                          0,
 434                          (float *)player->playeravatar->sk.final_mtx );
 435
 436    mesh_bind( &player->playermodel->mesh );
 437    mesh_draw( &player->playermodel->mesh );
 438
 439    struct player_board *board = player_get_player_board( player );
 440
 441    render_board( cam, world, board, player->playeravatar->sk.final_mtx[
 442                                        player->playeravatar->id_board],
 443                                        k_board_shader_player );
 444 }
 445
 446 #endif /* PLAYER_RENDER_C */