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_model( player_instance *player, struct player_model *mdl )
 153 {
 154    player->playermodel = mdl;
 155 }
 156
 157 PLAYER_API
 158 void player__bind( player_instance *player )
 159 {
 160    for( u32 i=0; i<vg_list_size(_player_bind); i++ ){
 161       if( _player_bind[i] )
 162          _player_bind[i]( player );
 163    }
 164 }
 165
 166 /*
 167  * Gameloop events
 168  * ----------------------------------------------------------------------------
 169  */
 170
 171 VG_STATIC void player_save_rewind_frame( player_instance *player )
 172 {
 173    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 174       struct rewind_frame *fr =
 175          &player->rewind_buffer[ player->rewind_length ++ ];
 176
 177       v2_copy( player->cam.angles, fr->ang );
 178       v3_copy( player->cam.pos, fr->pos );
 179
 180       if( player->rewind_length >= 2 ){
 181          player->rewind_total_length +=
 182             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 183                      player->rewind_buffer[player->rewind_length-2].pos );
 184       }
 185    }
 186 }
 187
 188 PLAYER_API
 189 void player__pre_update( player_instance *player )
 190 {
 191    if( player->rewinding ){
 192       return;
 193    }
 194
 195    if( vg_input_button_down( player->input_reset ) && !player->immobile ){
 196       double delta = world_global.time - world_global.last_use;
 197
 198       if( (delta <= RESET_MAX_TIME) && (world_global.last_use != 0.0) ){
 199          player->rewinding = 1;
 200          player->rewind_sound_wait = 1;
 201          player->rewind_time = (double)player->rewind_length - 0.0001;
 202          player_save_rewind_frame( player );
 203
 204          audio_lock();
 205          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 206          audio_unlock();
 207
 208          /* based on testing. DONT CHANGE!
 209           *
 210           *    time taken: y = (x^(4/5)) * 74.5
 211           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 212           */
 213
 214          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 215                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 216
 217          player->rewind_predicted_time = constant * curve;
 218          player->rewind_start = vg.time;
 219          player->subsystem = player->subsystem_gate;
 220          player->rb = player->rb_gate_storage;
 221          v3_copy( player->angles_storage, player->angles );
 222
 223          if( _player_restore[ player->subsystem ] )
 224             _player_restore[ player->subsystem ]( player );
 225       }
 226       else{
 227          if( player->subsystem == k_player_subsystem_dead ){
 228             localplayer_cmd_respawn( 0, NULL );
 229          }
 230          else{
 231             /* cant do that */
 232             audio_lock();
 233             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 234             audio_unlock();
 235          }
 236       }
 237    }
 238
 239    if( vg_input_button_down( player->input_camera ) && !player->immobile ){
 240       if( player->camera_mode == k_cam_firstperson )
 241          player->camera_mode = k_cam_thirdperson;
 242       else
 243          player->camera_mode = k_cam_firstperson;
 244    }
 245
 246    if( _player_pre_update[ player->subsystem ] )
 247       _player_pre_update[ player->subsystem ]( player );
 248 }
 249
 250 PLAYER_API
 251 void player__update( player_instance *player )
 252 {
 253    if( player->rewinding )
 254       return;
 255
 256    if( _player_update[ player->subsystem ] )
 257       _player_update[ player->subsystem ]( player );
 258 }
 259
 260 PLAYER_API
 261 void player__post_update( player_instance *player )
 262 {
 263    if( player->rewinding )
 264       return;
 265
 266    if( _player_post_update[ player->subsystem ] )
 267       _player_post_update[ player->subsystem ]( player );
 268
 269    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 270       player->rewind_accum += vg.time_frame_delta;
 271
 272       if( player->rewind_accum > 0.25f ){
 273          player->rewind_accum -= 0.25f;
 274          player_save_rewind_frame( player );
 275       }
 276    }
 277 }
 278
 279 /*
 280  * Applies gate transport to a player_interface
 281  */
 282 PLAYER_API
 283 void player__pass_gate( player_instance *player, ent_gate *gate )
 284 {
 285    world_routes_fracture( get_active_world(), gate,
 286                           player->rb.co, player->rb.v );
 287
 288    player->gate_waiting = gate;
 289    world_routes_activate_entry_gate( get_active_world(), gate );
 290
 291    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 292    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 293                                player->cam_velocity_smooth );
 294
 295    m3x3_copy( player->basis, player->basis_gate );
 296
 297    v4f q;
 298    m3x3_q( gate->transport, q );
 299    q_mul( q, player->qbasis, player->qbasis );
 300    q_normalize( player->qbasis );
 301    q_m3x3( player->qbasis, player->basis );
 302    m3x3_transpose( player->basis, player->invbasis );
 303
 304    player->subsystem_gate = player->subsystem;
 305    player->rb_gate_storage = player->rb;
 306    v3_copy( player->angles, player->angles_storage );
 307    player->rewind_length = 0;
 308    player->rewind_total_length = 0.0f;
 309    player->rewind_gate = gate;
 310    player->rewind_accum = 0.0f;
 311
 312    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 313    player_save_rewind_frame( player );
 314
 315    if( gate->type == k_gate_type_nonlocel )
 316       world_global.active_world = gate->target;
 317
 318    world_global.in_volume = 0;
 319
 320    audio_lock();
 321    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 322    audio_unlock();
 323 }
 324
 325 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 326 {
 327    /* FIXME: Applies to main_camera directly! */
 328
 329    /* Pre-emptively edit the camera matrices so that the motion vectors
 330     * are correct */
 331    m4x3f transport_i;
 332    m4x4f transport_4;
 333    m4x3_invert_affine( transport, transport_i );
 334    m4x3_expand( transport_i, transport_4 );
 335    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 336    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 337
 338    /* we want the regular transform here no the inversion */
 339    m4x3_expand( transport, transport_4 );
 340    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 341    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 342 }
 343
 344 __attribute__ ((deprecated))
 345 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 346 {
 347    v3_copy( angles, d );
 348    return;
 349
 350    v3f fwd_dir = { cosf(angles[0]),
 351                    0.0f,
 352                    sinf(angles[0])};
 353    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 354
 355    v3_copy( angles, d );
 356    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 357 }
 358
 359 PLAYER_API void player__im_gui( player_instance *player )
 360 {
 361    vg_uictx.cursor[0] = vg.window_x - 200;
 362    vg_uictx.cursor[1] = 0;
 363    vg_uictx.cursor[2] = 200;
 364    vg_uictx.cursor[3] = 200;
 365
 366    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 367
 368    vg_uictx.cursor[0] = vg.window_x;
 369
 370    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 371    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 372
 373    if( _player_im_gui[ player->subsystem ] )
 374       _player_im_gui[ player->subsystem ]( player );
 375
 376    b[2].co[1] = vg_uictx.cursor[1];
 377    b[3].co[1] = vg_uictx.cursor[1];
 378 }
 379
 380 VG_STATIC void global_skateshop_exit(void);
 381 PLAYER_API void player__spawn( player_instance *player,
 382                                ent_spawn *rp )
 383 {
 384    v3_copy( rp->transform.co, player->rb.co );
 385    v3_zero( player->rb.v );
 386    v3_zero( player->rb.w );
 387    q_identity( player->rb.q );
 388    rb_update_transform( &player->rb );
 389
 390    q_identity( player->qbasis );
 391    m3x3_identity( player->basis );
 392    m3x3_identity( player->invbasis );
 393
 394    player->subsystem = k_player_subsystem_walk;
 395    player->immobile = 0;
 396    player->gate_waiting = NULL;
 397
 398    global_skateshop_exit();
 399
 400    if( _player_reset[ player->subsystem ] )
 401       _player_reset[ player->subsystem ]( player, rp );
 402 }
 403
 404
 405 PLAYER_API void player__kill( player_instance *player )
 406 {
 407
 408 }
 409
 410 #endif /* PLAYER_C */