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