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 #include "network.h"
  19 #include "player_remote.h"
  20
  21 static void player_load_animation_reference( const char *path ){
  22    mdl_context *meta = &localplayer.skeleton_meta;
  23    mdl_open( meta, path, vg_mem.rtmemory );
  24    mdl_load_metadata_block( meta, vg_mem.rtmemory );
  25    mdl_load_animation_block( meta, vg_mem.rtmemory );
  26    mdl_close( meta );
  27
  28    struct skeleton *sk = &localplayer.skeleton;
  29    skeleton_setup( sk, vg_mem.rtmemory, meta );
  30
  31    localplayer.id_hip        = skeleton_bone_id( sk, "hips" );
  32    localplayer.id_chest      = skeleton_bone_id( sk, "chest" );
  33    localplayer.id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  34    localplayer.id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  35    localplayer.id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  36    localplayer.id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  37    localplayer.id_head       = skeleton_bone_id( sk, "head" );
  38    localplayer.id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  39    localplayer.id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  40    localplayer.id_board      = skeleton_bone_id( sk, "board" );
  41    localplayer.id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  42    localplayer.id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  43    localplayer.id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  44    localplayer.id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  45
  46    setup_ragdoll_from_skeleton( sk, &localplayer.ragdoll );
  47
  48    /* allocate matrix buffers for localplayer and remote players */
  49    u32 mtx_size = sizeof(m4x3f)*sk->bone_count;
  50    localplayer.final_mtx = vg_linear_alloc( vg_mem.rtmemory, mtx_size );
  51    netplayers.final_mtx = vg_linear_alloc( vg_mem.rtmemory,
  52                                            mtx_size*NETWORK_MAX_PLAYERS );
  53 }
  54
  55 /* TODO: Standard model load */
  56
  57 static void dynamic_model_load( mdl_context *ctx,
  58                                    struct dynamic_model_1texture *mdl,
  59                                    const char *path ){
  60    if( !mdl_arrcount( &ctx->textures ) )
  61       vg_fatal_error( "No texture in model" );
  62
  63    mdl_texture *tex0 = mdl_arritm( &ctx->textures, 0 );
  64    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  65    mdl_fread_pack_file( ctx, &tex0->file, data );
  66
  67    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  68                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  69                             &mdl->texture );
  70
  71    mdl_async_load_glmesh( ctx, &mdl->mesh );
  72 }
  73
  74 static void dynamic_model_unload( struct dynamic_model_1texture *mdl ){
  75    mesh_free( &mdl->mesh );
  76    glDeleteTextures( 1, &mdl->texture );
  77 }
  78
  79 /* TODO: allow error handling */
  80 static void player_board_load( struct player_board *board,
  81                                   const char *path ){
  82
  83    vg_linear_clear( vg_mem.scratch );
  84
  85    mdl_context ctx;
  86    mdl_open( &ctx, path, vg_mem.scratch );
  87    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  88
  89    dynamic_model_load( &ctx, &board->mdl, path );
  90
  91    mdl_array_ptr markers;
  92    MDL_LOAD_ARRAY( &ctx, &markers, ent_marker, vg_mem.scratch );
  93
  94    /* TODO: you get put into a new section, the above is standard mdl loads. */
  95    for( int i=0; i<4; i++ )
  96       board->wheels[i].indice_count = 0;
  97    for( int i=0; i<2; i++ )
  98       board->trucks[i].indice_count = 0;
  99    board->board.indice_count = 0;
 100
 101    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
 102       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
 103
 104       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 105          continue;
 106
 107       u32 index = mdl_entity_id_id( mesh->entity_id );
 108       ent_marker *marker = mdl_arritm( &markers, index );
 109
 110       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 111
 112       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 113       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 114           fb = marker->transform.co[2] > 0.0f? 0: 1;
 115
 116       if( !strcmp( alias, "wheel" ) ){
 117          u32 id = fb<<1 | lr;
 118          board->wheels[ id ] = *sm0;
 119          v3_copy( marker->transform.co, board->wheel_positions[ id ] );
 120       }
 121       else if( !strcmp( alias, "board" ) ){
 122          board->board = *sm0;
 123          v3_copy( marker->transform.co, board->board_position );
 124       }
 125       else if( !strcmp( alias, "truck" ) ){
 126          board->trucks[ fb ] = *sm0;
 127          v3_copy( marker->transform.co, board->truck_positions[ fb ] );
 128       }
 129    }
 130
 131    mdl_close( &ctx );
 132 }
 133
 134 static void player_board_unload( struct player_board *board ){
 135    dynamic_model_unload( &board->mdl );
 136 }
 137
 138 static void player_model_load( struct player_model *board, const char *path){
 139    vg_linear_clear( vg_mem.scratch );
 140
 141    mdl_context ctx;
 142    mdl_open( &ctx, path, vg_mem.scratch );
 143    mdl_load_metadata_block( &ctx, vg_mem.scratch );
 144
 145    dynamic_model_load( &ctx, &board->mdl, path );
 146
 147    mdl_close( &ctx );
 148 }
 149
 150 static void player_model_unload( struct player_model *board ){
 151    dynamic_model_unload( &board->mdl );
 152 }
 153
 154 static void apply_full_skeleton_pose( struct skeleton *sk, player_pose *pose,
 155                                       m4x3f *final_mtx ){
 156    m4x3f transform;
 157    q_m3x3( pose->root_q, transform );
 158    v3_copy( pose->root_co, transform[3] );
 159
 160    if( pose->type == k_player_pose_type_ik ){
 161       skeleton_apply_pose( sk, pose->keyframes,
 162                            k_anim_apply_defer_ik, final_mtx );
 163       skeleton_apply_ik_pass( sk, final_mtx );
 164       skeleton_apply_pose( sk, pose->keyframes,
 165                            k_anim_apply_deffered_only, final_mtx );
 166       skeleton_apply_inverses( sk, final_mtx );
 167       skeleton_apply_transform( sk, transform, final_mtx );
 168    }
 169    else if( pose->type == k_player_pose_type_fk_2 ){
 170       skeleton_apply_pose( sk, pose->keyframes,
 171                            k_anim_apply_always, final_mtx );
 172       skeleton_apply_inverses( sk, final_mtx );
 173       skeleton_apply_transform( sk, transform, final_mtx );
 174    }
 175 }
 176
 177 static void player__animate(void){
 178    struct player_subsystem_interface *sys =
 179       player_subsystems[localplayer.subsystem];
 180
 181    assert( sys->animate );
 182    assert( sys->pose );
 183    assert( sys->animator_data );
 184
 185    sys->animate();
 186
 187    player_pose *pose = &localplayer.pose;
 188    sys->pose( sys->animator_data, pose );
 189
 190    struct skeleton *sk = &localplayer.skeleton;
 191
 192    if( localplayer.holdout_time > 0.0f ){
 193       skeleton_lerp_pose( sk,
 194                           pose->keyframes,localplayer.holdout_pose.keyframes,
 195                           localplayer.holdout_time, pose->keyframes );
 196
 197       v3_muladds( pose->root_co, localplayer.holdout_pose.root_co,
 198                   localplayer.holdout_time, pose->root_co );
 199       q_nlerp( pose->root_q, localplayer.holdout_pose.root_q,
 200                localplayer.holdout_time, pose->root_q );
 201
 202       localplayer.holdout_time -= vg.time_frame_delta * 2.0f;
 203    }
 204
 205    apply_full_skeleton_pose( sk, &localplayer.pose, localplayer.final_mtx );
 206    skeleton_debug( sk, localplayer.final_mtx );
 207
 208    if( sys->post_animate )
 209       sys->post_animate();
 210
 211    player__cam_iterate();
 212 }
 213
 214 static void player_copy_frame_animator( replay_frame *frame ){
 215    struct player_subsystem_interface *sys =
 216       player_subsystems[localplayer.subsystem];
 217
 218    if( sys->animator_size ){
 219       void *src = replay_frame_data( frame, k_replay_framedata_animator );
 220       memcpy( sys->animator_data, src, sys->animator_size );
 221    }
 222 }
 223
 224 static void lerp_player_pose( player_pose *pose0, player_pose *pose1, f32 t,
 225                               player_pose *posed ){
 226    struct skeleton *sk = &localplayer.skeleton;
 227
 228    v3_lerp( pose0->root_co, pose1->root_co, t, posed->root_co );
 229    q_nlerp( pose0->root_q,  pose1->root_q,  t, posed->root_q );
 230    posed->type = pose0->type;
 231    posed->board.lean = vg_lerpf( pose0->board.lean, pose1->board.lean, t );
 232
 233    if( pose0->type != pose1->type ){
 234       /* it would be nice to apply IK pass in-keyframes. TOO BAD! */
 235       skeleton_copy_pose( sk, pose0->keyframes, posed->keyframes );
 236    }
 237    else {
 238       skeleton_lerp_pose( sk, pose0->keyframes, pose1->keyframes, t,
 239                           posed->keyframes );
 240    }
 241 }
 242
 243 static void player__animate_from_replay( replay_buffer *replay ){
 244    replay_frame *frame = replay->cursor_frame,
 245                 *next = NULL;
 246    if( frame ){
 247       next = frame->r;
 248
 249       if( next ){
 250          f32 t = replay_subframe_time( replay );
 251
 252          player_pose pose0, pose1;
 253
 254          struct player_subsystem_interface
 255             *sys0 = player_subsystems[frame->system],
 256             *sys1 = player_subsystems[next->system];
 257
 258          void *a0 = replay_frame_data( frame, k_replay_framedata_animator ),
 259               *a1 = replay_frame_data( next, k_replay_framedata_animator );
 260
 261          sys0->pose( a0, &pose0 );
 262          sys1->pose( a1, &pose1 );
 263
 264          lerp_player_pose( &pose0, &pose1, t, &localplayer.pose );
 265       }
 266       else{
 267          struct player_subsystem_interface
 268             *sys = player_subsystems[frame->system];
 269          sys->pose( replay_frame_data( frame, k_replay_framedata_animator ),
 270                      &localplayer.pose );
 271       }
 272    }
 273    else return;
 274
 275    apply_full_skeleton_pose( &localplayer.skeleton, &localplayer.pose,
 276                              localplayer.final_mtx );
 277 }
 278
 279 static void player__pre_render(void){
 280    /* shadowing/ao info */
 281    struct player_board *board =
 282       addon_cache_item_if_loaded( k_addon_type_board,
 283                                   localplayer.board_view_slot );
 284    v3f vp0, vp1;
 285    if( board ){
 286       v3_copy((v3f){0.0f,0.1f, board->truck_positions[0][2]}, vp0 );
 287       v3_copy((v3f){0.0f,0.1f, board->truck_positions[1][2]}, vp1 );
 288    }
 289    else{
 290       v3_zero( vp0 );
 291       v3_zero( vp1 );
 292    }
 293
 294    struct ub_world_lighting *ubo = &world_current_instance()->ub_lighting;
 295    v3f *board_mtx = localplayer.final_mtx[ localplayer.id_board ];
 296    m4x3_mulv( board_mtx, vp0, ubo->g_board_0 );
 297    m4x3_mulv( board_mtx, vp1, ubo->g_board_1 );
 298 }
 299
 300 static void render_board( camera *cam, world_instance *world,
 301                           struct player_board *board, m4x3f root,
 302                           struct player_board_pose *pose,
 303                           enum board_shader shader )
 304 {
 305    if( !board )
 306       board = &localplayer.fallback_board;
 307
 308    /* TODO:
 309     *  adding depth compare to this shader
 310     */
 311
 312    v3f inverse;
 313
 314    glActiveTexture( GL_TEXTURE0 );
 315    glBindTexture( GL_TEXTURE_2D, board->mdl.texture );
 316
 317    if( shader == k_board_shader_player ){
 318       shader_model_board_view_use();
 319       shader_model_board_view_uTexMain( 0 );
 320       shader_model_board_view_uCamera( cam->transform[3] );
 321       shader_model_board_view_uPv( cam->mtx.pv );
 322
 323       shader_model_board_view_uDepthCompare(1);
 324       depth_compare_bind(
 325          shader_model_board_view_uTexSceneDepth,
 326          shader_model_board_view_uInverseRatioDepth,
 327          shader_model_board_view_uInverseRatioMain,
 328          cam );
 329
 330       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_board_view );
 331    }
 332    else if( shader == k_board_shader_entity ){
 333       shader_model_entity_use();
 334       shader_model_entity_uTexMain( 0 );
 335       shader_model_entity_uCamera( cam->transform[3] );
 336       shader_model_entity_uPv( cam->mtx.pv );
 337
 338       WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_entity );
 339    }
 340
 341    mesh_bind( &board->mdl.mesh );
 342
 343    m4x4f m4mdl;
 344
 345    if( board->board.indice_count ){
 346       m4x3f mlocal;
 347       m3x3_identity( mlocal );
 348
 349       mdl_keyframe kf;
 350       v3_zero( kf.co );
 351       q_identity( kf.q );
 352       v3_zero( kf.s );
 353
 354       v4f qroll;
 355       q_axis_angle( qroll, (v3f){0.0f,0.0f,1.0f}, pose->lean * 0.6f );
 356       keyframe_rotate_around( &kf, (v3f){0.0f,0.11f,0.0f},
 357                               (v3f){0.0f,0.0f,0.0f}, qroll );
 358
 359       v3_add( board->board_position, kf.co, mlocal[3] );
 360       q_m3x3( kf.q, mlocal );
 361
 362       m4x3_mul( root, mlocal, mlocal );
 363
 364       if( shader == k_board_shader_entity ){
 365          /* TODO: provide a way to supply previous mdl mtx? */
 366          m4x3_expand( mlocal, m4mdl );
 367          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 368          shader_model_entity_uPvmPrev( m4mdl );
 369          shader_model_entity_uMdl( mlocal );
 370       }
 371       else
 372          shader_model_board_view_uMdl( mlocal );
 373
 374       mdl_draw_submesh( &board->board );
 375    }
 376
 377    for( int i=0; i<2; i++ ){
 378       if( !board->trucks[i].indice_count )
 379          continue;
 380
 381       m4x3f mlocal;
 382       m3x3_identity( mlocal );
 383       v3_copy( board->truck_positions[i], mlocal[3] );
 384       m4x3_mul( root, mlocal, mlocal );
 385
 386       if( shader == k_board_shader_entity ){
 387          m4x3_expand( mlocal, m4mdl );
 388          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 389          shader_model_entity_uPvmPrev( m4mdl );
 390          shader_model_entity_uMdl( mlocal );
 391       }
 392       else
 393          shader_model_board_view_uMdl( mlocal );
 394
 395       mdl_draw_submesh( &board->trucks[i] );
 396    }
 397
 398    for( int i=0; i<4; i++ ){
 399       if( !board->wheels[i].indice_count )
 400          continue;
 401
 402       m4x3f mlocal;
 403       m3x3_identity( mlocal );
 404       v3_copy( board->wheel_positions[i], mlocal[3] );
 405       m4x3_mul( root, mlocal, mlocal );
 406
 407       if( shader == k_board_shader_entity ){
 408          m4x3_expand( mlocal, m4mdl );
 409          m4x4_mul( cam->mtx_prev.pv, m4mdl, m4mdl );
 410          shader_model_entity_uPvmPrev( m4mdl );
 411          shader_model_entity_uMdl( mlocal );
 412       }
 413       else
 414          shader_model_board_view_uMdl( mlocal );
 415
 416       mdl_draw_submesh( &board->wheels[i] );
 417    }
 418 }
 419
 420 static void render_playermodel( camera *cam, world_instance *world,
 421                                 int depth_compare,
 422                                 struct player_model *model,
 423                                 struct skeleton *skeleton,
 424                                 m4x3f *final_mtx ){
 425    if( !model ) return;
 426
 427    shader_model_character_view_use();
 428
 429         glActiveTexture( GL_TEXTURE0 );
 430         glBindTexture( GL_TEXTURE_2D, model->mdl.texture );
 431    shader_model_character_view_uTexMain( 0 );
 432    shader_model_character_view_uCamera( cam->transform[3] );
 433    shader_model_character_view_uPv( cam->mtx.pv );
 434
 435    shader_model_character_view_uDepthCompare( depth_compare );
 436    if( depth_compare ){
 437       depth_compare_bind(
 438          shader_model_character_view_uTexSceneDepth,
 439          shader_model_character_view_uInverseRatioDepth,
 440          shader_model_character_view_uInverseRatioMain,
 441          cam );
 442    }
 443
 444    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 445
 446    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 447                          skeleton->bone_count,
 448                          0,
 449                          (const GLfloat *)final_mtx );
 450
 451    mesh_bind( &model->mdl.mesh );
 452    mesh_draw( &model->mdl.mesh );
 453 }
 454
 455 static void player__render( camera *cam ){
 456    world_instance *world = world_current_instance();
 457    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
 458
 459    struct player_model *model =
 460       addon_cache_item_if_loaded( k_addon_type_player,
 461                                   localplayer.playermodel_view_slot );
 462
 463    if( !model ) model = &localplayer.fallback_model;
 464    render_playermodel( cam, world, 1, model, &localplayer.skeleton,
 465                        localplayer.final_mtx );
 466
 467    struct player_board *board =
 468       addon_cache_item_if_loaded( k_addon_type_board,
 469                                   localplayer.board_view_slot );
 470
 471    render_board( cam, world, board, localplayer.final_mtx[localplayer.id_board],
 472                   &localplayer.pose.board, k_board_shader_player );
 473
 474    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
 475 }
 476
 477 #endif /* PLAYER_RENDER_C */