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 #include "input.h"
   8 #include "world.h"
   9 #include "audio.h"
  10
  11 VG_STATIC int localplayer_cmd_respawn( int argc, const char *argv[] )
  12 {
  13    ent_spawn *rp = NULL, *r;
  14    world_instance *world = localplayer.viewable_world;
  15
  16    if( argc == 1 ){
  17       rp = world_find_spawn_by_name( world, argv[0] );
  18    }
  19    else if( argc == 0 ){
  20       rp = world_find_closest_spawn( world, localplayer.rb.co );
  21    }
  22
  23    if( !rp )
  24       return 0;
  25
  26    player__spawn( &localplayer, rp );
  27    return 1;
  28 }
  29
  30 VG_STATIC void player_init(void)
  31 {
  32    for( u32 i=0; i<vg_list_size(_player_system_register); i++ ){
  33       if( _player_system_register[i] )
  34          _player_system_register[i]();
  35    }
  36
  37    vg_console_reg_cmd( "respawn", localplayer_cmd_respawn, NULL );
  38    VG_VAR_F32( k_cam_damp );
  39    VG_VAR_F32( k_cam_spring );
  40    VG_VAR_F32( k_cam_punch );
  41 }
  42
  43 PLAYER_API
  44 void player__debugtext( int size, const char *fmt, ... )
  45 {
  46 #if 0
  47         char buffer[ 1024 ];
  48
  49    va_list args;
  50    va_start( args, fmt );
  51    vsnprintf( buffer, 1024, fmt, args );
  52    va_end( args );
  53
  54    ui_text( vg_uictx.cursor, buffer, size, k_text_align_right );
  55         vg_uictx.cursor[1] += 14*size;
  56 #endif
  57 }
  58
  59 /*
  60  * Init
  61  */
  62 PLAYER_API
  63 void player__create( player_instance *inst )
  64 {
  65    static int only_once = 0;
  66    assert( only_once == 0 );
  67    only_once ++;
  68
  69    v3_zero( inst->rb.co );
  70    v3_zero( inst->rb.w );
  71    v3_zero( inst->rb.v );
  72    q_identity( inst->rb.q );
  73    m4x3_identity( inst->rb.to_world );
  74    m4x3_identity( inst->rb.to_local );
  75
  76    inst->rewind_length = 0;
  77    inst->rewind_buffer =
  78       vg_linear_alloc( vg_mem.rtmemory,
  79                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
  80
  81 }
  82
  83 /*
  84  * Appearence
  85  */
  86 PLAYER_API
  87 void player__use_avatar( player_instance *player, struct player_avatar *av )
  88 {
  89    player->playeravatar = av;
  90    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
  91 }
  92
  93 PLAYER_API
  94 void player__use_model( player_instance *player, struct player_model *mdl )
  95 {
  96    player->playermodel = mdl;
  97 }
  98
  99 PLAYER_API
 100 void player__bind( player_instance *player )
 101 {
 102    for( u32 i=0; i<vg_list_size(_player_bind); i++ ){
 103       if( _player_bind[i] )
 104          _player_bind[i]( player );
 105    }
 106 }
 107
 108 /*
 109  * Gameloop events
 110  * ----------------------------------------------------------------------------
 111  */
 112
 113 VG_STATIC void player_save_rewind_frame( player_instance *player )
 114 {
 115    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 116       struct rewind_frame *fr =
 117          &player->rewind_buffer[ player->rewind_length ++ ];
 118
 119       v2_copy( player->cam.angles, fr->ang );
 120       v3_copy( player->cam.pos, fr->pos );
 121
 122       if( player->rewind_length >= 2 ){
 123          player->rewind_total_length +=
 124             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 125                      player->rewind_buffer[player->rewind_length-2].pos );
 126       }
 127    }
 128 }
 129
 130 PLAYER_API
 131 void player__pre_update( player_instance *player )
 132 {
 133    if( player->rewinding ){
 134       return;
 135    }
 136
 137    if( button_down( k_srbind_reset ) && !player->immobile ){
 138       f64 delta = world_static.time - world_static.last_use;
 139
 140       if( (delta <= RESET_MAX_TIME) && (world_static.last_use != 0.0) ){
 141          player->rewinding = 1;
 142          player->rewind_sound_wait = 1;
 143          player->rewind_time = (double)player->rewind_length - 0.0001;
 144          player_save_rewind_frame( player );
 145
 146          audio_lock();
 147          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 148          audio_unlock();
 149
 150          /* based on testing. DONT CHANGE!
 151           *
 152           *    time taken: y = (x^(4/5)) * 74.5
 153           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 154           */
 155
 156          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 157                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 158
 159          player->rewind_predicted_time = constant * curve;
 160          player->rewind_start = vg.time;
 161          player->subsystem = player->subsystem_gate;
 162          player->rb = player->rb_gate_storage;
 163          v3_copy( player->angles_storage, player->angles );
 164
 165          if( _player_restore[ player->subsystem ] )
 166             _player_restore[ player->subsystem ]( player );
 167       }
 168       else{
 169          if( player->subsystem == k_player_subsystem_dead ){
 170             localplayer_cmd_respawn( 0, NULL );
 171          }
 172          else{
 173             /* cant do that */
 174             audio_lock();
 175             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 176             audio_unlock();
 177          }
 178       }
 179    }
 180
 181    if( button_down( k_srbind_camera ) && !player->immobile ){
 182       if( player->camera_mode == k_cam_firstperson )
 183          player->camera_mode = k_cam_thirdperson;
 184       else
 185          player->camera_mode = k_cam_firstperson;
 186    }
 187
 188    if( _player_pre_update[ player->subsystem ] )
 189       _player_pre_update[ player->subsystem ]( player );
 190 }
 191
 192 PLAYER_API
 193 void player__update( player_instance *player )
 194 {
 195    if( player->rewinding )
 196       return;
 197
 198    if( _player_update[ player->subsystem ] )
 199       _player_update[ player->subsystem ]( player );
 200 }
 201
 202 PLAYER_API
 203 void player__post_update( player_instance *player )
 204 {
 205    if( player->rewinding )
 206       return;
 207
 208    if( _player_post_update[ player->subsystem ] )
 209       _player_post_update[ player->subsystem ]( player );
 210
 211    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 212       player->rewind_accum += vg.time_frame_delta;
 213
 214       if( player->rewind_accum > 0.25f ){
 215          player->rewind_accum -= 0.25f;
 216          player_save_rewind_frame( player );
 217       }
 218    }
 219 }
 220
 221 /*
 222  * Applies gate transport to a player_interface
 223  */
 224 PLAYER_API
 225 void player__pass_gate( player_instance *player, ent_gate *gate )
 226 {
 227    world_routes_fracture( world_current_instance(), gate,
 228                           player->rb.co, player->rb.v );
 229
 230    player->gate_waiting = gate;
 231    world_routes_activate_entry_gate( world_current_instance(), gate );
 232
 233    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 234    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 235                                player->cam_velocity_smooth );
 236
 237    m3x3_copy( player->basis, player->basis_gate );
 238
 239    v4f q;
 240    m3x3_q( gate->transport, q );
 241    q_mul( q, player->qbasis, player->qbasis );
 242    q_normalize( player->qbasis );
 243    q_m3x3( player->qbasis, player->basis );
 244    m3x3_transpose( player->basis, player->invbasis );
 245
 246    player->subsystem_gate = player->subsystem;
 247    player->rb_gate_storage = player->rb;
 248    v3_copy( player->angles, player->angles_storage );
 249    player->rewind_length = 0;
 250    player->rewind_total_length = 0.0f;
 251    player->rewind_gate = gate;
 252    player->rewind_accum = 0.0f;
 253
 254    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 255    player_save_rewind_frame( player );
 256
 257    if( gate->type == k_gate_type_nonlocel )
 258       world_static.active_world = gate->target;
 259
 260    world_volumes.inside = 0;
 261
 262    audio_lock();
 263    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 264    audio_unlock();
 265 }
 266
 267 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 268 {
 269    /* FIXME: Applies to main_camera directly! */
 270
 271    /* Pre-emptively edit the camera matrices so that the motion vectors
 272     * are correct */
 273    m4x3f transport_i;
 274    m4x4f transport_4;
 275    m4x3_invert_affine( transport, transport_i );
 276    m4x3_expand( transport_i, transport_4 );
 277    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 278    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 279
 280    /* we want the regular transform here no the inversion */
 281    m4x3_expand( transport, transport_4 );
 282    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 283    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 284 }
 285
 286 __attribute__ ((deprecated))
 287 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 288 {
 289    v3_copy( angles, d );
 290    return;
 291
 292    v3f fwd_dir = { cosf(angles[0]),
 293                    0.0f,
 294                    sinf(angles[0])};
 295    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 296
 297    v3_copy( angles, d );
 298    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 299 }
 300
 301 PLAYER_API void player__im_gui( player_instance *player )
 302 {
 303 #if 0
 304    vg_uictx.cursor[0] = vg.window_x - 200;
 305    vg_uictx.cursor[1] = 0;
 306    vg_uictx.cursor[2] = 200;
 307    vg_uictx.cursor[3] = 200;
 308
 309    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 310
 311    vg_uictx.cursor[0] = vg.window_x;
 312
 313    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 314    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 315
 316    if( _player_im_gui[ player->subsystem ] )
 317       _player_im_gui[ player->subsystem ]( player );
 318
 319    b[2].co[1] = vg_uictx.cursor[1];
 320    b[3].co[1] = vg_uictx.cursor[1];
 321 #endif
 322 }
 323
 324 VG_STATIC void global_skateshop_exit(void);
 325 PLAYER_API void player__spawn( player_instance *player,
 326                                ent_spawn *rp )
 327 {
 328    v3_copy( rp->transform.co, player->rb.co );
 329    v3_zero( player->rb.v );
 330    v3_zero( player->rb.w );
 331    q_identity( player->rb.q );
 332    rb_update_transform( &player->rb );
 333
 334    q_identity( player->qbasis );
 335    m3x3_identity( player->basis );
 336    m3x3_identity( player->invbasis );
 337
 338    player->subsystem = k_player_subsystem_walk;
 339    player->immobile = 0;
 340    player->gate_waiting = NULL;
 341    player->rewind_length = 0;
 342    player->rewind_accum = 0.0f;
 343    player->rewind_gate = NULL;
 344    player->rewinding = 0;
 345    world_static.last_use = 0.0;
 346
 347    global_skateshop_exit();
 348
 349    if( _player_reset[ player->subsystem ] )
 350       _player_reset[ player->subsystem ]( player, rp );
 351 }
 352
 353
 354 PLAYER_API void player__kill( player_instance *player )
 355 {
 356
 357 }
 358
 359 /* implementation */
 360 #include "player_common.c"
 361 #include "player_walk.c"
 362 #include "player_skate.c"
 363 #include "player_dead.c"
 364 #include "player_drive.c"
 365 #include "player_render.c"
 366 #include "player_ragdoll.c"
 367
 368 #endif /* PLAYER_C */