player.c

   1 #ifndef PLAYER_C
   2 #define PLAYER_C
   3
   4 #include "player.h"
   5 #include "camera.h"
   6 #include "player_model.h"
   7
   8 VG_STATIC int localplayer_cmd_respawn( int argc, const char *argv[] )
   9 {
  10    ent_spawn *rp = NULL, *r;
  11    world_instance *world = localplayer.viewable_world;
  12
  13    if( argc == 1 ){
  14       rp = world_find_spawn_by_name( world, argv[0] );
  15    }
  16    else if( argc == 0 ){
  17       rp = world_find_closest_spawn( world, localplayer.rb.co );
  18    }
  19
  20    if( !rp )
  21       return 0;
  22
  23    player__spawn( &localplayer, rp );
  24    return 1;
  25 }
  26
  27 VG_STATIC void player_init(void)
  28 {
  29    for( u32 i=0; i<vg_list_size(_player_system_register); i++ ){
  30       if( _player_system_register[i] )
  31          _player_system_register[i]();
  32    }
  33
  34    vg_console_reg_cmd( "respawn", localplayer_cmd_respawn, NULL );
  35 }
  36
  37 PLAYER_API
  38 void player__debugtext( int size, const char *fmt, ... )
  39 {
  40         char buffer[ 1024 ];
  41
  42    va_list args;
  43    va_start( args, fmt );
  44    vsnprintf( buffer, 1024, fmt, args );
  45    va_end( args );
  46
  47    ui_text( vg_uictx.cursor, buffer, size, k_text_align_right );
  48         vg_uictx.cursor[1] += 14*size;
  49 }
  50
  51 /*
  52  * Init
  53  */
  54 PLAYER_API
  55 void player__create( player_instance *inst )
  56 {
  57    static int only_once = 0;
  58    assert( only_once == 0 );
  59    only_once ++;
  60
  61    inst->input_js1h = vg_create_named_input( "steer-h", k_input_type_axis );
  62    inst->input_js1v = vg_create_named_input( "steer-v", k_input_type_axis );
  63    inst->input_grab = vg_create_named_input( "grab",    k_input_type_axis_norm);
  64    inst->input_js2h = vg_create_named_input( "grab-h",  k_input_type_axis );
  65    inst->input_js2v = vg_create_named_input( "grab-v",  k_input_type_axis );
  66    inst->input_jump = vg_create_named_input( "jump",    k_input_type_button );
  67    inst->input_push = vg_create_named_input( "push",    k_input_type_button );
  68    inst->input_walk = vg_create_named_input( "walk",    k_input_type_button );
  69    inst->input_walkh= vg_create_named_input( "walk-h",  k_input_type_axis );
  70    inst->input_walkv= vg_create_named_input( "walk-v",  k_input_type_axis );
  71    inst->input_use  = vg_create_named_input( "use",     k_input_type_button );
  72    inst->input_reset= vg_create_named_input( "reset",   k_input_type_button );
  73    inst->input_camera=vg_create_named_input( "camera",  k_input_type_button );
  74    inst->input_trick0=vg_create_named_input( "trick0",  k_input_type_button );
  75    inst->input_trick1=vg_create_named_input( "trick1",  k_input_type_button );
  76    inst->input_trick2=vg_create_named_input( "trick2",  k_input_type_button );
  77
  78    const char *default_cfg[] =
  79    {
  80       "bind  steer-h gp-ls-h",
  81       "bind -steer-h a",
  82       "bind +steer-h d",
  83
  84       "bind  steer-v gp-ls-v",
  85       "bind -steer-v w",
  86       "bind +steer-v s",
  87
  88       "bind  grab gp-rt",
  89       "bind +grab shift",
  90       "bind  grab-h gp-rs-h",
  91       "bind  grab-v gp-rs-v",
  92
  93       "bind jump space",
  94       "bind jump gp-a",
  95
  96       "bind trick0 mouse1",
  97       "bind trick0 gp-a",
  98       "bind trick1 mouse2",
  99       "bind trick1 gp-b",
 100       "bind trick2 gp-x",     /* keyboard: m0 + m1 */
 101
 102       "bind push gp-b",
 103       "bind push w",
 104
 105       "bind walk shift",
 106       "bind walk gp-ls",
 107
 108       "bind  walk-h  gp-ls-h",
 109       "bind  walk-v -gp-ls-v",
 110       "bind +walk-h d",
 111       "bind -walk-h a",
 112       "bind +walk-v w",
 113       "bind -walk-v s",
 114
 115       "bind reset gp-lb",
 116       "bind reset r",
 117
 118       "bind use gp-y",
 119       "bind use e",
 120       "bind camera c",
 121       "bind camera gp-rb"
 122    };
 123
 124    for( int i=0; i<vg_list_size(default_cfg); i++ )
 125       vg_execute_console_input(default_cfg[i]);
 126
 127    v3_zero( inst->rb.co );
 128    v3_zero( inst->rb.w );
 129    v3_zero( inst->rb.v );
 130    q_identity( inst->rb.q );
 131    m4x3_identity( inst->rb.to_world );
 132    m4x3_identity( inst->rb.to_local );
 133
 134    inst->rewind_length = 0;
 135    inst->rewind_buffer =
 136       vg_linear_alloc( vg_mem.rtmemory,
 137                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
 138
 139 }
 140
 141 /*
 142  * Appearence
 143  */
 144 PLAYER_API
 145 void player__use_avatar( player_instance *player, struct player_avatar *av )
 146 {
 147    player->playeravatar = av;
 148    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
 149 }
 150
 151 PLAYER_API
 152 void player__use_mesh( player_instance *player, glmesh *mesh )
 153 {
 154    player->playermesh = mesh;
 155 }
 156
 157 PLAYER_API
 158 void player__use_texture( player_instance *player, vg_tex2d *tex )
 159 {
 160    player->playertex = tex;
 161 }
 162
 163 PLAYER_API
 164 void player__bind( player_instance *player )
 165 {
 166    for( u32 i=0; i<vg_list_size(_player_bind); i++ ){
 167       if( _player_bind[i] )
 168          _player_bind[i]( player );
 169    }
 170 }
 171
 172 /*
 173  * Gameloop events
 174  * ----------------------------------------------------------------------------
 175  */
 176
 177 VG_STATIC void player_save_rewind_frame( player_instance *player )
 178 {
 179    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 180       struct rewind_frame *fr =
 181          &player->rewind_buffer[ player->rewind_length ++ ];
 182
 183       v2_copy( player->cam.angles, fr->ang );
 184       v3_copy( player->cam.pos, fr->pos );
 185
 186       if( player->rewind_length >= 2 ){
 187          player->rewind_total_length +=
 188             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 189                      player->rewind_buffer[player->rewind_length-2].pos );
 190       }
 191    }
 192 }
 193
 194 PLAYER_API
 195 void player__pre_update( player_instance *player )
 196 {
 197    if( player->rewinding ){
 198       return;
 199    }
 200
 201    if( vg_input_button_down( player->input_reset ) ){
 202       double delta = world_global.time - world_global.last_use;
 203
 204       if( (delta <= RESET_MAX_TIME) && (world_global.last_use != 0.0) ){
 205          player->rewinding = 1;
 206          player->rewind_sound_wait = 1;
 207          player->rewind_time = (double)player->rewind_length - 0.0001;
 208          player_save_rewind_frame( player );
 209
 210          audio_lock();
 211          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 212          audio_unlock();
 213
 214          /* based on testing. DONT CHANGE!
 215           *
 216           *    time taken: y = (x^(4/5)) * 74.5
 217           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 218           */
 219
 220          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 221                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 222
 223          player->rewind_predicted_time = constant * curve;
 224          player->rewind_start = vg.time;
 225          player->subsystem = player->subsystem_gate;
 226          player->rb = player->rb_gate_storage;
 227          v3_copy( player->angles_storage, player->angles );
 228
 229          if( _player_restore[ player->subsystem ] )
 230             _player_restore[ player->subsystem ]( player );
 231       }
 232       else{
 233          if( player->subsystem == k_player_subsystem_dead ){
 234             localplayer_cmd_respawn( 0, NULL );
 235          }
 236          else{
 237             /* cant do that */
 238             audio_lock();
 239             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 240             audio_unlock();
 241          }
 242       }
 243    }
 244
 245    if( vg_input_button_down( player->input_camera ) ){
 246       if( player->camera_mode == k_cam_firstperson )
 247          player->camera_mode = k_cam_thirdperson;
 248       else
 249          player->camera_mode = k_cam_firstperson;
 250    }
 251
 252    if( _player_pre_update[ player->subsystem ] )
 253       _player_pre_update[ player->subsystem ]( player );
 254 }
 255
 256 PLAYER_API
 257 void player__update( player_instance *player )
 258 {
 259    if( player->rewinding )
 260       return;
 261
 262    if( _player_update[ player->subsystem ] )
 263       _player_update[ player->subsystem ]( player );
 264 }
 265
 266 PLAYER_API
 267 void player__post_update( player_instance *player )
 268 {
 269    if( player->rewinding )
 270       return;
 271
 272    if( _player_post_update[ player->subsystem ] )
 273       _player_post_update[ player->subsystem ]( player );
 274
 275    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 276       player->rewind_accum += vg.frame_delta;
 277
 278       if( player->rewind_accum > 0.25f ){
 279          player->rewind_accum -= 0.25f;
 280          player_save_rewind_frame( player );
 281       }
 282    }
 283 }
 284
 285 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 286 {
 287    /* FIXME: Applies to main_camera directly! */
 288
 289    /* Pre-emptively edit the camera matrices so that the motion vectors
 290     * are correct */
 291    m4x3f transport_i;
 292    m4x4f transport_4;
 293    m4x3_invert_affine( transport, transport_i );
 294    m4x3_expand( transport_i, transport_4 );
 295    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 296    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 297
 298    /* we want the regular transform here no the inversion */
 299    m4x3_expand( transport, transport_4 );
 300    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 301    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 302 }
 303
 304 __attribute__ ((deprecated))
 305 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 306 {
 307    v3_copy( angles, d );
 308    return;
 309
 310    v3f fwd_dir = { cosf(angles[0]),
 311                    0.0f,
 312                    sinf(angles[0])};
 313    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 314
 315    v3_copy( angles, d );
 316    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 317 }
 318
 319 /*
 320  * Applies gate transport to a player_interface
 321  */
 322 PLAYER_API
 323 void player__pass_gate( player_instance *player, ent_gate *gate )
 324 {
 325    world_routes_fracture( get_active_world(), gate,
 326                           player->rb.co, player->rb.v );
 327
 328    player->gate_waiting = gate;
 329    world_routes_activate_entry_gate( get_active_world(), gate );
 330
 331    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 332    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 333                                player->cam_velocity_smooth );
 334
 335    m3x3_copy( player->basis, player->basis_gate );
 336
 337    v4f q;
 338    m3x3_q( gate->transport, q );
 339    q_mul( q, player->qbasis, player->qbasis );
 340    q_normalize( player->qbasis );
 341    q_m3x3( player->qbasis, player->basis );
 342    m3x3_transpose( player->basis, player->invbasis );
 343
 344    player->subsystem_gate = player->subsystem;
 345    player->rb_gate_storage = player->rb;
 346    v3_copy( player->angles, player->angles_storage );
 347    player->rewind_length = 0;
 348    player->rewind_total_length = 0.0f;
 349    player->rewind_gate = gate;
 350    player->rewind_accum = 0.0f;
 351
 352    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 353    player_save_rewind_frame( player );
 354
 355    if( gate->type == k_gate_type_nonlocel )
 356       world_global.active_world = gate->target;
 357
 358    world_global.in_volume = 0;
 359
 360    audio_lock();
 361    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 362    audio_unlock();
 363 }
 364
 365 VG_STATIC void player__pre_render( player_instance *player )
 366 {
 367    if( _player_animate[ player->subsystem ] ){
 368       player_animation res;
 369       _player_animate[ player->subsystem ]( player, &res );
 370
 371       m4x3f transform;
 372       q_m3x3( res.root_q, transform );
 373       v3_copy( res.root_co, transform[3] );
 374
 375       struct skeleton *sk = &player->playeravatar->sk;
 376
 377       if( player->holdout_time > 0.0f ){
 378          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 379                                            player->holdout_time, res.pose );
 380          player->holdout_time -= vg.frame_delta * 2.0f;
 381       }
 382
 383       skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 384       skeleton_apply_ik_pass( sk );
 385       skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 386       skeleton_apply_inverses( sk );
 387       skeleton_apply_transform( sk, transform );
 388
 389       skeleton_debug( sk );
 390    }
 391
 392    if( _player_post_animate[ player->subsystem ] )
 393       _player_post_animate[ player->subsystem ]( player );
 394
 395    struct player_avatar *av = player->playeravatar;
 396    v3f vp0 = {0.0f,0.1f, 0.55f},
 397        vp1 = {0.0f,0.1f,-0.55f};
 398
 399    struct ub_world_lighting *ubo = &get_active_world()->ub_lighting;
 400    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 401    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 402
 403    if( player->rewinding ){
 404       if( player->rewind_time <= 0.0f ){
 405          double taken = vg.time - player->rewind_start;
 406          vg_success( "Rewind took (rt, pt, tl): %f, %f, %f\n",
 407                            taken, player->rewind_predicted_time,
 408                            player->rewind_total_length );
 409
 410          player->rewinding = 0;
 411          player->rewind_length = 1;
 412          player->rewind_total_length = 0.0f;
 413          player->rewind_accum = 0.0f;
 414          world_global.sky_target_rate = 1.0;
 415          world_global.time = world_global.last_use;
 416       }
 417       else{
 418          world_global.sky_target_rate = -100.0;
 419
 420          float budget         = vg.time_delta,
 421                overall_length = player->rewind_length;
 422
 423          for( int i=0; (i<10)&&(player->rewind_time>0.0f)&&(budget>0.0f); i++ ){
 424             /* Interpolate frames */
 425             int i0 = floorf( player->rewind_time ),
 426                 i1 = VG_MIN( i0+1, player->rewind_length-1 );
 427
 428             struct rewind_frame *fr =  &player->rewind_buffer[i0],
 429                                 *fr1 = &player->rewind_buffer[i1];
 430
 431             float dist = vg_maxf( v3_dist( fr->pos, fr1->pos ), 0.001f ),
 432                   subl = vg_fractf( player->rewind_time ) + 0.001f,
 433
 434                   sramp = 3.0f-(1.0f/(0.4f+0.4f*player->rewind_time)),
 435                   speed = sramp*28.0f + 0.5f*player->rewind_time,
 436                   mod  = speed * (budget / dist),
 437
 438                   advl = vg_minf( mod, subl ),
 439                   advt = (advl / mod) * budget;
 440
 441             player->dist_accum += speed * advt;
 442             player->rewind_time -= advl;
 443             budget -= advt;
 444          }
 445
 446          player->rewind_time = vg_maxf( 0.0f, player->rewind_time );
 447
 448          float current_time = vg.time - player->rewind_start,
 449                remaining    = player->rewind_predicted_time - current_time;
 450
 451          if( player->rewind_sound_wait ){
 452             if( player->rewind_predicted_time >= 6.5f ){
 453                if( remaining <= 6.5f ){
 454                   audio_lock();
 455                   audio_oneshot( &audio_rewind[3], 1.0f, 0.0f );
 456                   audio_unlock();
 457                   player->rewind_sound_wait = 0;
 458                }
 459             }
 460             else if( player->rewind_predicted_time >= 2.5f ){
 461                if( remaining <= 2.5f ){
 462                   audio_lock();
 463                   audio_oneshot( &audio_rewind[2], 1.0f, 0.0f );
 464                   audio_unlock();
 465                   player->rewind_sound_wait = 0;
 466                }
 467             }
 468             else if( player->rewind_predicted_time >= 1.5f ){
 469                if( remaining <= 1.5f ){
 470                   audio_lock();
 471                   audio_oneshot( &audio_rewind[1], 1.0f, 0.0f );
 472                   audio_unlock();
 473                   player->rewind_sound_wait = 0;
 474                }
 475             }
 476          }
 477
 478          int i0 = floorf( player->rewind_time ),
 479              i1 = VG_MIN( i0+1, player->rewind_length-1 );
 480
 481          struct rewind_frame *fr =  &player->rewind_buffer[i0],
 482                              *fr1 = &player->rewind_buffer[i1];
 483
 484          float sub = vg_fractf(player->rewind_time);
 485
 486          v3_lerp( fr->pos, fr1->pos, sub, player->cam_override_pos );
 487          player->cam_override_angles[0] =
 488             vg_alerpf( fr->ang[0], fr1->ang[0], sub );
 489          player->cam_override_angles[1] =
 490             vg_lerpf ( fr->ang[1], fr1->ang[1], sub );
 491
 492          float blend = player->rewind_time * 0.25f;
 493          player->cam_override_strength = vg_clampf( blend, 0.0f, 1.0f );
 494       }
 495    }
 496    else player->cam_override_strength = 0.0f;
 497
 498    player__cam_iterate( player );
 499 }
 500
 501 PLAYER_API void player__render( camera *cam, player_instance *player )
 502 {
 503    shader_model_character_view_use();
 504    vg_tex2d_bind( player->playertex, 0 );
 505    shader_model_character_view_uTexMain( 0 );
 506    shader_model_character_view_uCamera( cam->transform[3] );
 507    shader_model_character_view_uPv( cam->mtx.pv );
 508    shader_model_character_view_uTexSceneDepth( 1 );
 509    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 510    v3f inverse;
 511    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 512    inverse[2] = main_camera.farz-main_camera.nearz;
 513
 514    shader_model_character_view_uInverseRatioDepth( inverse );
 515    render_fb_inverse_ratio( NULL, inverse );
 516    inverse[2] = cam->farz-cam->nearz;
 517    shader_model_character_view_uInverseRatioMain( inverse );
 518
 519    world_instance *world = get_active_world();
 520    world_link_lighting_ub( world, _shader_model_character_view.id );
 521    world_bind_position_texture( world, _shader_model_character_view.id,
 522                               _uniform_model_character_view_g_world_depth, 2 );
 523    world_bind_light_array( world, _shader_model_character_view.id,
 524                               _uniform_model_character_view_uLightsArray, 3 );
 525    world_bind_light_index( world, _shader_model_character_view.id,
 526                               _uniform_model_character_view_uLightsIndex, 4 );
 527
 528    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 529                          player->playeravatar->sk.bone_count,
 530                          0,
 531                          (float *)player->playeravatar->sk.final_mtx );
 532
 533    mesh_bind( player->playermesh );
 534    mesh_draw( player->playermesh );
 535 }
 536
 537 PLAYER_API void player__im_gui( player_instance *player )
 538 {
 539    vg_uictx.cursor[0] = vg.window_x - 200;
 540    vg_uictx.cursor[1] = 0;
 541    vg_uictx.cursor[2] = 200;
 542    vg_uictx.cursor[3] = 200;
 543
 544    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 545
 546    vg_uictx.cursor[0] = vg.window_x;
 547
 548    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 549    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 550
 551    if( _player_im_gui[ player->subsystem ] )
 552       _player_im_gui[ player->subsystem ]( player );
 553
 554    b[2].co[1] = vg_uictx.cursor[1];
 555    b[3].co[1] = vg_uictx.cursor[1];
 556 }
 557
 558 PLAYER_API void player__spawn( player_instance *player,
 559                                ent_spawn *rp )
 560 {
 561    v3_copy( rp->transform.co, player->rb.co );
 562    v3_zero( player->rb.v );
 563    v3_zero( player->rb.w );
 564    q_identity( player->rb.q );
 565    rb_update_transform( &player->rb );
 566
 567    q_identity( player->qbasis );
 568    m3x3_identity( player->basis );
 569    m3x3_identity( player->invbasis );
 570
 571    player->subsystem = k_player_subsystem_walk;
 572    player->gate_waiting = NULL;
 573
 574    if( _player_reset[ player->subsystem ] )
 575       _player_reset[ player->subsystem ]( player, rp );
 576 }
 577
 578
 579 PLAYER_API void player__kill( player_instance *player )
 580 {
 581
 582 }
 583
 584 #endif /* PLAYER_C */