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