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