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    VG_VAR_F32( k_cam_shake_strength );
  42    VG_VAR_F32( k_cam_shake_trackspeed );
  43 }
  44
  45 PLAYER_API
  46 void player__debugtext( int size, const char *fmt, ... )
  47 {
  48 #if 0
  49         char buffer[ 1024 ];
  50
  51    va_list args;
  52    va_start( args, fmt );
  53    vsnprintf( buffer, 1024, fmt, args );
  54    va_end( args );
  55
  56    ui_text( vg_uictx.cursor, buffer, size, k_text_align_right );
  57         vg_uictx.cursor[1] += 14*size;
  58 #endif
  59 }
  60
  61 /*
  62  * Init
  63  */
  64 PLAYER_API
  65 void player__create( player_instance *inst )
  66 {
  67    static int only_once = 0;
  68    assert( only_once == 0 );
  69    only_once ++;
  70
  71    v3_zero( inst->rb.co );
  72    v3_zero( inst->rb.w );
  73    v3_zero( inst->rb.v );
  74    q_identity( inst->rb.q );
  75    m4x3_identity( inst->rb.to_world );
  76    m4x3_identity( inst->rb.to_local );
  77
  78    inst->rewind_length = 0;
  79    inst->rewind_buffer =
  80       vg_linear_alloc( vg_mem.rtmemory,
  81                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
  82
  83 }
  84
  85 /*
  86  * Appearence
  87  */
  88 PLAYER_API
  89 void player__use_avatar( player_instance *player, struct player_avatar *av )
  90 {
  91    player->playeravatar = av;
  92    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
  93 }
  94
  95 PLAYER_API
  96 void player__use_model( player_instance *player, struct player_model *mdl )
  97 {
  98    player->playermodel = mdl;
  99 }
 100
 101 PLAYER_API
 102 void player__bind( player_instance *player )
 103 {
 104    for( u32 i=0; i<vg_list_size(_player_bind); i++ ){
 105       if( _player_bind[i] )
 106          _player_bind[i]( player );
 107    }
 108 }
 109
 110 /*
 111  * Gameloop events
 112  * ----------------------------------------------------------------------------
 113  */
 114
 115 VG_STATIC void player_save_rewind_frame( player_instance *player )
 116 {
 117    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 118       struct rewind_frame *fr =
 119          &player->rewind_buffer[ player->rewind_length ++ ];
 120
 121       v2_copy( player->cam.angles, fr->ang );
 122       v3_copy( player->cam.pos, fr->pos );
 123
 124       if( player->rewind_length >= 2 ){
 125          player->rewind_total_length +=
 126             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 127                      player->rewind_buffer[player->rewind_length-2].pos );
 128       }
 129    }
 130 }
 131
 132 PLAYER_API
 133 void player__pre_update( player_instance *player )
 134 {
 135    if( player->rewinding ){
 136       return;
 137    }
 138
 139    if( button_down( k_srbind_reset ) && !player->immobile ){
 140       f64 delta = world_static.time - world_static.last_use;
 141
 142       if( (delta <= RESET_MAX_TIME) && (world_static.last_use != 0.0) ){
 143          player->rewinding = 1;
 144          player->rewind_sound_wait = 1;
 145          player->rewind_time = (double)player->rewind_length - 0.0001;
 146          player_save_rewind_frame( player );
 147
 148          audio_lock();
 149          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 150          audio_unlock();
 151
 152          /* based on testing. DONT CHANGE!
 153           *
 154           *    time taken: y = (x^(4/5)) * 74.5
 155           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 156           */
 157
 158          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 159                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 160
 161          player->rewind_predicted_time = constant * curve;
 162          player->rewind_start = vg.time;
 163          player->subsystem = player->subsystem_gate;
 164          player->rb = player->rb_gate_storage;
 165          v3_copy( player->angles_storage, player->angles );
 166
 167          if( _player_restore[ player->subsystem ] )
 168             _player_restore[ player->subsystem ]( player );
 169       }
 170       else{
 171          if( player->subsystem == k_player_subsystem_dead ){
 172             localplayer_cmd_respawn( 0, NULL );
 173          }
 174          else{
 175             /* cant do that */
 176             audio_lock();
 177             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 178             audio_unlock();
 179          }
 180       }
 181    }
 182
 183    if( button_down( k_srbind_camera ) && !player->immobile ){
 184       if( player->camera_mode == k_cam_firstperson )
 185          player->camera_mode = k_cam_thirdperson;
 186       else
 187          player->camera_mode = k_cam_firstperson;
 188    }
 189
 190    if( _player_pre_update[ player->subsystem ] )
 191       _player_pre_update[ player->subsystem ]( player );
 192 }
 193
 194 PLAYER_API
 195 void player__update( player_instance *player )
 196 {
 197    if( player->rewinding )
 198       return;
 199
 200    if( _player_update[ player->subsystem ] )
 201       _player_update[ player->subsystem ]( player );
 202 }
 203
 204 PLAYER_API
 205 void player__post_update( player_instance *player )
 206 {
 207    if( player->rewinding )
 208       return;
 209
 210    if( _player_post_update[ player->subsystem ] )
 211       _player_post_update[ player->subsystem ]( player );
 212
 213    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 214       player->rewind_accum += vg.time_frame_delta;
 215
 216       if( player->rewind_accum > 0.25f ){
 217          player->rewind_accum -= 0.25f;
 218          player_save_rewind_frame( player );
 219       }
 220    }
 221 }
 222
 223 /*
 224  * Applies gate transport to a player_interface
 225  */
 226 PLAYER_API
 227 void player__pass_gate( player_instance *player, ent_gate *gate )
 228 {
 229    world_routes_fracture( world_current_instance(), gate,
 230                           player->rb.co, player->rb.v );
 231
 232    player->gate_waiting = gate;
 233    world_routes_activate_entry_gate( world_current_instance(), gate );
 234
 235    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 236    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 237                                player->cam_velocity_smooth );
 238
 239    m3x3_copy( player->basis, player->basis_gate );
 240
 241    v4f q;
 242    m3x3_q( gate->transport, q );
 243    q_mul( q, player->qbasis, player->qbasis );
 244    q_normalize( player->qbasis );
 245    q_m3x3( player->qbasis, player->basis );
 246    m3x3_transpose( player->basis, player->invbasis );
 247
 248    player->subsystem_gate = player->subsystem;
 249    player->rb_gate_storage = player->rb;
 250    v3_copy( player->angles, player->angles_storage );
 251    player->rewind_length = 0;
 252    player->rewind_total_length = 0.0f;
 253    player->rewind_gate = gate;
 254    player->rewind_accum = 0.0f;
 255
 256    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 257    player_save_rewind_frame( player );
 258
 259    if( gate->type == k_gate_type_nonlocel )
 260       world_static.active_world = gate->target;
 261
 262    world_volumes.inside = 0;
 263
 264    audio_lock();
 265    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 266    audio_unlock();
 267 }
 268
 269 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 270 {
 271    /* FIXME: Applies to main_camera directly! */
 272
 273    /* Pre-emptively edit the camera matrices so that the motion vectors
 274     * are correct */
 275    m4x3f transport_i;
 276    m4x4f transport_4;
 277    m4x3_invert_affine( transport, transport_i );
 278    m4x3_expand( transport_i, transport_4 );
 279    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 280    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 281
 282    /* we want the regular transform here no the inversion */
 283    m4x3_expand( transport, transport_4 );
 284    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 285    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 286 }
 287
 288 __attribute__ ((deprecated))
 289 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 290 {
 291    v3_copy( angles, d );
 292    return;
 293
 294    v3f fwd_dir = { cosf(angles[0]),
 295                    0.0f,
 296                    sinf(angles[0])};
 297    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 298
 299    v3_copy( angles, d );
 300    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 301 }
 302
 303 PLAYER_API void player__im_gui( player_instance *player )
 304 {
 305 #if 0
 306    vg_uictx.cursor[0] = vg.window_x - 200;
 307    vg_uictx.cursor[1] = 0;
 308    vg_uictx.cursor[2] = 200;
 309    vg_uictx.cursor[3] = 200;
 310
 311    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 312
 313    vg_uictx.cursor[0] = vg.window_x;
 314
 315    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 316    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 317
 318    if( _player_im_gui[ player->subsystem ] )
 319       _player_im_gui[ player->subsystem ]( player );
 320
 321    b[2].co[1] = vg_uictx.cursor[1];
 322    b[3].co[1] = vg_uictx.cursor[1];
 323 #endif
 324 }
 325
 326 VG_STATIC void global_skateshop_exit(void);
 327 PLAYER_API void player__spawn( player_instance *player,
 328                                ent_spawn *rp )
 329 {
 330    v3_copy( rp->transform.co, player->rb.co );
 331    v3_zero( player->rb.v );
 332    v3_zero( player->rb.w );
 333    q_identity( player->rb.q );
 334    rb_update_transform( &player->rb );
 335
 336    q_identity( player->qbasis );
 337    m3x3_identity( player->basis );
 338    m3x3_identity( player->invbasis );
 339
 340    player->subsystem = k_player_subsystem_walk;
 341    player->immobile = 0;
 342    player->gate_waiting = NULL;
 343    player->rewind_length = 0;
 344    player->rewind_accum = 0.0f;
 345    player->rewind_gate = NULL;
 346    player->rewinding = 0;
 347    world_static.last_use = 0.0;
 348
 349    global_skateshop_exit();
 350
 351    if( _player_reset[ player->subsystem ] )
 352       _player_reset[ player->subsystem ]( player, rp );
 353 }
 354
 355
 356 PLAYER_API void player__kill( player_instance *player )
 357 {
 358
 359 }
 360
 361 /* implementation */
 362 #include "player_common.c"
 363 #include "player_walk.c"
 364 #include "player_skate.c"
 365 #include "player_dead.c"
 366 #include "player_drive.c"
 367 #include "player_render.c"
 368 #include "player_ragdoll.c"
 369
 370 #endif /* PLAYER_C */