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 PLAYER_API
   9 void player__debugtext( int size, const char *fmt, ... )
  10 {
  11         char buffer[ 1024 ];
  12
  13    va_list args;
  14    va_start( args, fmt );
  15    vsnprintf( buffer, 1024, fmt, args );
  16    va_end( args );
  17
  18    ui_text( vg_uictx.cursor, buffer, size, k_text_align_right );
  19         vg_uictx.cursor[1] += 14*size;
  20 }
  21
  22 /*
  23  * Init
  24  */
  25 PLAYER_API
  26 void player__create( player_instance *inst )
  27 {
  28    static int only_once = 0;
  29    assert( only_once == 0 );
  30    only_once ++;
  31
  32    inst->input_js1h = vg_create_named_input( "steer-h", k_input_type_axis );
  33    inst->input_js1v = vg_create_named_input( "steer-v", k_input_type_axis );
  34    inst->input_grab = vg_create_named_input( "grab",    k_input_type_axis_norm);
  35    inst->input_js2h = vg_create_named_input( "grab-h",  k_input_type_axis );
  36    inst->input_js2v = vg_create_named_input( "grab-v",  k_input_type_axis );
  37    inst->input_jump = vg_create_named_input( "jump",    k_input_type_button );
  38    inst->input_push = vg_create_named_input( "push",    k_input_type_button );
  39    inst->input_walk = vg_create_named_input( "walk",    k_input_type_button );
  40    inst->input_walkh= vg_create_named_input( "walk-h",  k_input_type_axis );
  41    inst->input_walkv= vg_create_named_input( "walk-v",  k_input_type_axis );
  42    inst->input_use  = vg_create_named_input( "use",     k_input_type_button );
  43    inst->input_reset= vg_create_named_input( "reset",   k_input_type_button );
  44    inst->input_camera=vg_create_named_input( "camera",  k_input_type_button );
  45    inst->input_trick0=vg_create_named_input( "trick0",  k_input_type_button );
  46    inst->input_trick1=vg_create_named_input( "trick1",  k_input_type_button );
  47    inst->input_trick2=vg_create_named_input( "trick2",  k_input_type_button );
  48
  49    const char *default_cfg[] =
  50    {
  51       "bind  steer-h gp-ls-h",
  52       "bind -steer-h a",
  53       "bind +steer-h d",
  54
  55       "bind  steer-v gp-ls-v",
  56       "bind -steer-v w",
  57       "bind +steer-v s",
  58
  59       "bind  grab gp-rt",
  60       "bind +grab shift",
  61       "bind  grab-h gp-rs-h",
  62       "bind  grab-v gp-rs-v",
  63
  64       "bind jump space",
  65       "bind jump gp-a",
  66
  67       "bind trick0 mouse1",
  68       "bind trick0 gp-a",
  69       "bind trick1 mouse2",
  70       "bind trick1 gp-b",
  71       "bind trick2 gp-x",     /* keyboard: m0 + m1 */
  72
  73       "bind push gp-b",
  74       "bind push w",
  75
  76       "bind walk shift",
  77       "bind walk gp-ls",
  78
  79       "bind  walk-h  gp-ls-h",
  80       "bind  walk-v -gp-ls-v",
  81       "bind +walk-h d",
  82       "bind -walk-h a",
  83       "bind +walk-v w",
  84       "bind -walk-v s",
  85
  86       "bind reset gp-lb",
  87       "bind reset r",
  88
  89       "bind use gp-y",
  90       "bind use e",
  91       "bind camera c",
  92       "bind camera gp-rb"
  93    };
  94
  95    for( int i=0; i<vg_list_size(default_cfg); i++ )
  96       vg_execute_console_input(default_cfg[i]);
  97
  98    v3_zero( inst->rb.co );
  99    v3_zero( inst->rb.w );
 100    v3_zero( inst->rb.v );
 101    q_identity( inst->rb.q );
 102    m4x3_identity( inst->rb.to_world );
 103    m4x3_identity( inst->rb.to_local );
 104
 105    inst->rewind_length = 0;
 106    inst->rewind_buffer =
 107       vg_linear_alloc( vg_mem.rtmemory,
 108                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
 109
 110 }
 111
 112 /*
 113  * Appearence
 114  */
 115 PLAYER_API
 116 void player__use_avatar( player_instance *player, struct player_avatar *av )
 117 {
 118    player->playeravatar = av;
 119    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
 120 }
 121
 122 PLAYER_API
 123 void player__use_mesh( player_instance *player, glmesh *mesh )
 124 {
 125    player->playermesh = mesh;
 126 }
 127
 128 PLAYER_API
 129 void player__use_texture( player_instance *player, vg_tex2d *tex )
 130 {
 131    player->playertex = tex;
 132 }
 133
 134 PLAYER_API
 135 void player__bind( player_instance *player )
 136 {
 137    player__skate_bind( player );
 138    player__walk_bind( player );
 139    player__drive_bind( player );
 140 }
 141
 142 /*
 143  * Gameloop events
 144  * ----------------------------------------------------------------------------
 145  */
 146
 147 VG_STATIC void player_save_rewind_frame( player_instance *player )
 148 {
 149    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 150       struct rewind_frame *fr =
 151          &player->rewind_buffer[ player->rewind_length ++ ];
 152
 153       v2_copy( player->cam.angles, fr->ang );
 154       v3_copy( player->cam.pos, fr->pos );
 155
 156       if( player->rewind_length >= 2 ){
 157          player->rewind_total_length +=
 158             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 159                      player->rewind_buffer[player->rewind_length-2].pos );
 160       }
 161    }
 162 }
 163
 164 PLAYER_API
 165 void player__pre_update( player_instance *player )
 166 {
 167    if( player->rewinding ){
 168       return;
 169    }
 170
 171    if( vg_input_button_down( player->input_reset ) ){
 172       double delta = world_global.time - world_global.last_use;
 173
 174       if( (delta <= RESET_MAX_TIME) && (world_global.last_use != 0.0) ){
 175          player->rewinding = 1;
 176          player->rewind_sound_wait = 1;
 177          player->rewind_time = (double)player->rewind_length - 0.0001;
 178          player_save_rewind_frame( player );
 179
 180          audio_lock();
 181          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 182          audio_unlock();
 183
 184          /* based on testing. DONT CHANGE!
 185           *
 186           *    time taken: y = (x^(4/5)) * 74.5
 187           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 188           */
 189
 190          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 191                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 192
 193          player->rewind_predicted_time = constant * curve;
 194          player->rewind_start = vg.time;
 195          player->subsystem = player->subsystem_gate;
 196          player->rb = player->rb_gate_storage;
 197          v3_copy( player->angles_storage, player->angles );
 198
 199          if( _player_restore[ player->subsystem ] )
 200             _player_restore[ player->subsystem ]( player );
 201       }
 202       else{
 203          if( player->subsystem == k_player_subsystem_dead ){
 204             __respawn( 0, NULL );
 205          }
 206          else{
 207             /* cant do that */
 208             audio_lock();
 209             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 210             audio_unlock();
 211          }
 212       }
 213    }
 214
 215    if( vg_input_button_down( player->input_camera ) ){
 216       if( player->camera_mode == k_cam_firstperson )
 217          player->camera_mode = k_cam_thirdperson;
 218       else
 219          player->camera_mode = k_cam_firstperson;
 220    }
 221
 222    if( _player_pre_update[ player->subsystem ] )
 223       _player_pre_update[ player->subsystem ]( player );
 224 }
 225
 226 PLAYER_API
 227 void player__update( player_instance *player )
 228 {
 229    if( player->rewinding )
 230       return;
 231
 232    if( _player_update[ player->subsystem ] )
 233       _player_update[ player->subsystem ]( player );
 234 }
 235
 236 PLAYER_API
 237 void player__post_update( player_instance *player )
 238 {
 239    if( player->rewinding )
 240       return;
 241
 242    if( _player_post_update[ player->subsystem ] )
 243       _player_post_update[ player->subsystem ]( player );
 244
 245    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 246       player->rewind_accum += vg.frame_delta;
 247
 248       if( player->rewind_accum > 0.25f ){
 249          player->rewind_accum -= 0.25f;
 250          player_save_rewind_frame( player );
 251       }
 252    }
 253 }
 254
 255 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 256 {
 257    /* FIXME: Applies to main_camera directly! */
 258
 259    /* Pre-emptively edit the camera matrices so that the motion vectors
 260     * are correct */
 261    m4x3f transport_i;
 262    m4x4f transport_4;
 263    m4x3_invert_affine( transport, transport_i );
 264    m4x3_expand( transport_i, transport_4 );
 265    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 266    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 267
 268    /* we want the regular transform here no the inversion */
 269    m4x3_expand( transport, transport_4 );
 270    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 271    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 272 }
 273
 274 __attribute__ ((deprecated))
 275 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 276 {
 277    v3_copy( angles, d );
 278    return;
 279
 280    v3f fwd_dir = { cosf(angles[0]),
 281                    0.0f,
 282                    sinf(angles[0])};
 283    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 284
 285    v3_copy( angles, d );
 286    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 287 }
 288
 289 /*
 290  * Applies gate transport to a player_interface
 291  */
 292 PLAYER_API
 293 void player__pass_gate( player_instance *player, ent_gate *gate )
 294 {
 295    world_routes_fracture( get_active_world(), gate,
 296                           player->rb.co, player->rb.v );
 297
 298    player->gate_waiting = gate;
 299    world_routes_activate_entry_gate( get_active_world(), gate );
 300
 301    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 302    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 303                                player->cam_velocity_smooth );
 304
 305    m3x3_copy( player->basis, player->basis_gate );
 306
 307    v4f q;
 308    m3x3_q( gate->transport, q );
 309    q_mul( q, player->qbasis, player->qbasis );
 310    q_normalize( player->qbasis );
 311    q_m3x3( player->qbasis, player->basis );
 312    m3x3_transpose( player->basis, player->invbasis );
 313
 314    player->subsystem_gate = player->subsystem;
 315    player->rb_gate_storage = player->rb;
 316    v3_copy( player->angles, player->angles_storage );
 317    player->rewind_length = 0;
 318    player->rewind_total_length = 0.0f;
 319    player->rewind_gate = gate;
 320    player->rewind_accum = 0.0f;
 321
 322    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 323    player_save_rewind_frame( player );
 324
 325    if( gate->type == k_gate_type_nonlocal )
 326       world_global.active_world = gate->target;
 327
 328    world_global.in_volume = 0;
 329
 330    audio_lock();
 331    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 332    audio_unlock();
 333 }
 334
 335 VG_STATIC void player__pre_render( player_instance *player )
 336 {
 337    if( _player_animate[ player->subsystem ] ){
 338       player_animation res;
 339       _player_animate[ player->subsystem ]( player, &res );
 340
 341       m4x3f transform;
 342       q_m3x3( res.root_q, transform );
 343       v3_copy( res.root_co, transform[3] );
 344
 345       struct skeleton *sk = &player->playeravatar->sk;
 346
 347       if( player->holdout_time > 0.0f ){
 348          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 349                                            player->holdout_time, res.pose );
 350          player->holdout_time -= vg.frame_delta * 2.0f;
 351       }
 352
 353       skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 354       skeleton_apply_ik_pass( sk );
 355       skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 356       skeleton_apply_inverses( sk );
 357       skeleton_apply_transform( sk, transform );
 358
 359       skeleton_debug( sk );
 360    }
 361
 362    if( _player_post_animate[ player->subsystem ] )
 363       _player_post_animate[ player->subsystem ]( player );
 364
 365    struct player_avatar *av = player->playeravatar;
 366    v3f vp0 = {0.0f,0.1f, 0.55f},
 367        vp1 = {0.0f,0.1f,-0.55f};
 368
 369    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, TEMP_BOARD_0 );
 370    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, TEMP_BOARD_1 );
 371
 372    if( player->rewinding ){
 373       if( player->rewind_time <= 0.0f ){
 374          double taken = vg.time - player->rewind_start;
 375          vg_success( "Rewind took (rt, pt, tl): %f, %f, %f\n",
 376                            taken, player->rewind_predicted_time,
 377                            player->rewind_total_length );
 378
 379          player->rewinding = 0;
 380          player->rewind_length = 1;
 381          player->rewind_total_length = 0.0f;
 382          player->rewind_accum = 0.0f;
 383          world_global.sky_target_rate = 1.0;
 384          world_global.time = world_global.last_use;
 385       }
 386       else{
 387          world_global.sky_target_rate = -100.0;
 388
 389          float budget         = vg.time_delta,
 390                overall_length = player->rewind_length;
 391
 392          for( int i=0; (i<10)&&(player->rewind_time>0.0f)&&(budget>0.0f); i++ ){
 393             /* Interpolate frames */
 394             int i0 = floorf( player->rewind_time ),
 395                 i1 = VG_MIN( i0+1, player->rewind_length-1 );
 396
 397             struct rewind_frame *fr =  &player->rewind_buffer[i0],
 398                                 *fr1 = &player->rewind_buffer[i1];
 399
 400             float dist = vg_maxf( v3_dist( fr->pos, fr1->pos ), 0.001f ),
 401                   subl = vg_fractf( player->rewind_time ) + 0.001f,
 402
 403                   sramp = 3.0f-(1.0f/(0.4f+0.4f*player->rewind_time)),
 404                   speed = sramp*28.0f + 0.5f*player->rewind_time,
 405                   mod  = speed * (budget / dist),
 406
 407                   advl = vg_minf( mod, subl ),
 408                   advt = (advl / mod) * budget;
 409
 410             player->dist_accum += speed * advt;
 411             player->rewind_time -= advl;
 412             budget -= advt;
 413          }
 414
 415          player->rewind_time = vg_maxf( 0.0f, player->rewind_time );
 416
 417          float current_time = vg.time - player->rewind_start,
 418                remaining    = player->rewind_predicted_time - current_time;
 419
 420          if( player->rewind_sound_wait ){
 421             if( player->rewind_predicted_time >= 6.5f ){
 422                if( remaining <= 6.5f ){
 423                   audio_lock();
 424                   audio_oneshot( &audio_rewind[3], 1.0f, 0.0f );
 425                   audio_unlock();
 426                   player->rewind_sound_wait = 0;
 427                }
 428             }
 429             else if( player->rewind_predicted_time >= 2.5f ){
 430                if( remaining <= 2.5f ){
 431                   audio_lock();
 432                   audio_oneshot( &audio_rewind[2], 1.0f, 0.0f );
 433                   audio_unlock();
 434                   player->rewind_sound_wait = 0;
 435                }
 436             }
 437             else if( player->rewind_predicted_time >= 1.5f ){
 438                if( remaining <= 1.5f ){
 439                   audio_lock();
 440                   audio_oneshot( &audio_rewind[1], 1.0f, 0.0f );
 441                   audio_unlock();
 442                   player->rewind_sound_wait = 0;
 443                }
 444             }
 445          }
 446
 447          int i0 = floorf( player->rewind_time ),
 448              i1 = VG_MIN( i0+1, player->rewind_length-1 );
 449
 450          struct rewind_frame *fr =  &player->rewind_buffer[i0],
 451                              *fr1 = &player->rewind_buffer[i1];
 452
 453          float sub = vg_fractf(player->rewind_time);
 454
 455          v3_lerp( fr->pos, fr1->pos, sub, player->cam_override_pos );
 456          player->cam_override_angles[0] =
 457             vg_alerpf( fr->ang[0], fr1->ang[0], sub );
 458          player->cam_override_angles[1] =
 459             vg_lerpf ( fr->ang[1], fr1->ang[1], sub );
 460
 461          float blend = player->rewind_time * 0.25f;
 462          player->cam_override_strength = vg_clampf( blend, 0.0f, 1.0f );
 463       }
 464    }
 465    else player->cam_override_strength = 0.0f;
 466
 467    player__cam_iterate( player );
 468 }
 469
 470 PLAYER_API void player__render( camera *cam, player_instance *player )
 471 {
 472    shader_model_character_view_use();
 473    vg_tex2d_bind( player->playertex, 0 );
 474    shader_model_character_view_uTexMain( 0 );
 475    shader_model_character_view_uCamera( cam->transform[3] );
 476    shader_model_character_view_uPv( cam->mtx.pv );
 477
 478    world_instance *world = get_active_world();
 479    world_link_lighting_ub( world, _shader_model_character_view.id );
 480    world_bind_position_texture( world, _shader_model_character_view.id,
 481                               _uniform_model_character_view_g_world_depth, 2 );
 482    world_bind_light_array( world, _shader_model_character_view.id,
 483                               _uniform_model_character_view_uLightsArray, 3 );
 484    world_bind_light_index( world, _shader_model_character_view.id,
 485                               _uniform_model_character_view_uLightsIndex, 4 );
 486
 487    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 488                          player->playeravatar->sk.bone_count,
 489                          0,
 490                          (float *)player->playeravatar->sk.final_mtx );
 491
 492    mesh_bind( player->playermesh );
 493    mesh_draw( player->playermesh );
 494 }
 495
 496 PLAYER_API void player__im_gui( player_instance *player )
 497 {
 498    vg_uictx.cursor[0] = vg.window_x - 200;
 499    vg_uictx.cursor[1] = 0;
 500    vg_uictx.cursor[2] = 200;
 501    vg_uictx.cursor[3] = 200;
 502
 503    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 504
 505    vg_uictx.cursor[0] = vg.window_x;
 506
 507    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 508    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 509
 510    if( _player_im_gui[ player->subsystem ] )
 511       _player_im_gui[ player->subsystem ]( player );
 512
 513    b[2].co[1] = vg_uictx.cursor[1];
 514    b[3].co[1] = vg_uictx.cursor[1];
 515 }
 516
 517 PLAYER_API void player__spawn( player_instance *player,
 518                                ent_spawn *rp )
 519 {
 520    v3_copy( rp->transform.co, player->rb.co );
 521    v3_zero( player->rb.v );
 522    v3_zero( player->rb.w );
 523    q_identity( player->rb.q );
 524    rb_update_transform( &player->rb );
 525
 526    q_identity( player->qbasis );
 527    m3x3_identity( player->basis );
 528    m3x3_identity( player->invbasis );
 529
 530    player->subsystem = k_player_subsystem_walk;
 531    player->viewable_world = get_active_world();
 532    player->gate_waiting = NULL;
 533
 534    if( _player_reset[ player->subsystem ] )
 535       _player_reset[ player->subsystem ]( player, rp );
 536 }
 537
 538
 539 PLAYER_API void player__kill( player_instance *player )
 540 {
 541
 542 }
 543
 544 #endif /* PLAYER_C */