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    vg_console_reg_var( "cinema", &k_cinema, k_var_dtype_f32, 0 );
  45    vg_console_reg_var( "cinema_fixed", &k_cinema_fixed, k_var_dtype_i32, 0 );
  46    vg_console_reg_var( "invert_y", &k_invert_y,
  47                         k_var_dtype_i32, VG_VAR_PERSISTENT );
  48 }
  49
  50 PLAYER_API
  51 void player__debugtext( int size, const char *fmt, ... )
  52 {
  53 #if 0
  54         char buffer[ 1024 ];
  55
  56    va_list args;
  57    va_start( args, fmt );
  58    vsnprintf( buffer, 1024, fmt, args );
  59    va_end( args );
  60
  61    ui_text( vg_uictx.cursor, buffer, size, k_text_align_right );
  62         vg_uictx.cursor[1] += 14*size;
  63 #endif
  64 }
  65
  66 /*
  67  * Init
  68  */
  69 PLAYER_API
  70 void player__create( player_instance *inst )
  71 {
  72    static int only_once = 0;
  73    assert( only_once == 0 );
  74    only_once ++;
  75
  76    v3_zero( inst->rb.co );
  77    v3_zero( inst->rb.w );
  78    v3_zero( inst->rb.v );
  79    q_identity( inst->rb.q );
  80    m4x3_identity( inst->rb.to_world );
  81    m4x3_identity( inst->rb.to_local );
  82
  83    inst->rewind_length = 0;
  84    inst->rewind_buffer =
  85       vg_linear_alloc( vg_mem.rtmemory,
  86                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
  87
  88 }
  89
  90 /*
  91  * Appearence
  92  */
  93 PLAYER_API
  94 void player__use_avatar( player_instance *player, struct player_avatar *av )
  95 {
  96    player->playeravatar = av;
  97    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
  98 }
  99
 100 PLAYER_API
 101 void player__use_model( player_instance *player, u16 reg_id ){
 102    addon_cache_unwatch( k_addon_type_player, player->playermodel_view_slot );
 103    player->playermodel_view_slot =
 104       addon_cache_create_viewer( k_addon_type_player, reg_id );
 105 }
 106
 107 PLAYER_API
 108 void player__bind( player_instance *player )
 109 {
 110    for( u32 i=0; i<vg_list_size(_player_bind); i++ ){
 111       if( _player_bind[i] )
 112          _player_bind[i]( player );
 113    }
 114 }
 115
 116 /*
 117  * Gameloop events
 118  * ----------------------------------------------------------------------------
 119  */
 120
 121 VG_STATIC void player_save_rewind_frame( player_instance *player )
 122 {
 123    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 124       struct rewind_frame *fr =
 125          &player->rewind_buffer[ player->rewind_length ++ ];
 126
 127       v2_copy( player->cam.angles, fr->ang );
 128       v3_copy( player->cam.pos, fr->pos );
 129
 130       if( player->rewind_length >= 2 ){
 131          player->rewind_total_length +=
 132             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 133                      player->rewind_buffer[player->rewind_length-2].pos );
 134       }
 135    }
 136 }
 137
 138 PLAYER_API
 139 void player__pre_update( player_instance *player )
 140 {
 141    if( player->rewinding ){
 142       return;
 143    }
 144
 145    if( button_down( k_srbind_reset ) && !player->immobile ){
 146       f64 delta = world_static.time - world_static.last_use;
 147
 148       if( (delta <= RESET_MAX_TIME) && (world_static.last_use != 0.0) ){
 149          player->rewinding = 1;
 150          player->rewind_sound_wait = 1;
 151          player->rewind_time = (double)player->rewind_length - 0.0001;
 152          player_save_rewind_frame( player );
 153
 154          audio_lock();
 155          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 156          audio_unlock();
 157
 158          /* based on testing. DONT CHANGE!
 159           *
 160           *    time taken: y = (x^(4/5)) * 74.5
 161           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 162           */
 163
 164          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 165                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 166
 167          player->rewind_predicted_time = constant * curve;
 168          player->rewind_start = vg.time;
 169          player->subsystem = player->subsystem_gate;
 170          player->rb = player->rb_gate_storage;
 171          v3_copy( player->angles_storage, player->angles );
 172
 173          if( _player_restore[ player->subsystem ] )
 174             _player_restore[ player->subsystem ]( player );
 175       }
 176       else{
 177          if( player->subsystem == k_player_subsystem_dead ){
 178             localplayer_cmd_respawn( 0, NULL );
 179          }
 180          else{
 181             /* cant do that */
 182             audio_lock();
 183             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 184             audio_unlock();
 185          }
 186       }
 187    }
 188
 189    if( button_down( k_srbind_camera ) && !player->immobile ){
 190       if( player->camera_mode == k_cam_firstperson )
 191          player->camera_mode = k_cam_thirdperson;
 192       else
 193          player->camera_mode = k_cam_firstperson;
 194    }
 195
 196    if( _player_pre_update[ player->subsystem ] )
 197       _player_pre_update[ player->subsystem ]( player );
 198 }
 199
 200 PLAYER_API
 201 void player__update( player_instance *player )
 202 {
 203    if( player->rewinding )
 204       return;
 205
 206    if( _player_update[ player->subsystem ] )
 207       _player_update[ player->subsystem ]( player );
 208 }
 209
 210 PLAYER_API
 211 void player__post_update( player_instance *player )
 212 {
 213    if( player->rewinding )
 214       return;
 215
 216    if( _player_post_update[ player->subsystem ] )
 217       _player_post_update[ player->subsystem ]( player );
 218
 219    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 220       player->rewind_accum += vg.time_frame_delta;
 221
 222       if( player->rewind_accum > 0.25f ){
 223          player->rewind_accum -= 0.25f;
 224          player_save_rewind_frame( player );
 225       }
 226    }
 227 }
 228
 229 /*
 230  * Applies gate transport to a player_interface
 231  */
 232 PLAYER_API
 233 void player__pass_gate( player_instance *player, ent_gate *gate )
 234 {
 235    world_routes_fracture( world_current_instance(), gate,
 236                           player->rb.co, player->rb.v );
 237
 238    player->gate_waiting = gate;
 239    world_routes_activate_entry_gate( world_current_instance(), gate );
 240
 241    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 242    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 243                                player->cam_velocity_smooth );
 244
 245    m3x3_copy( player->basis, player->basis_gate );
 246
 247    v4f q;
 248    m3x3_q( gate->transport, q );
 249    q_mul( q, player->qbasis, player->qbasis );
 250    q_normalize( player->qbasis );
 251    q_m3x3( player->qbasis, player->basis );
 252    m3x3_transpose( player->basis, player->invbasis );
 253
 254    player->subsystem_gate = player->subsystem;
 255    player->rb_gate_storage = player->rb;
 256    v3_copy( player->angles, player->angles_storage );
 257    player->rewind_length = 0;
 258    player->rewind_total_length = 0.0f;
 259    player->rewind_gate = gate;
 260    player->rewind_accum = 0.0f;
 261
 262    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 263    player_save_rewind_frame( player );
 264
 265    if( gate->type == k_gate_type_nonlocel )
 266       world_static.active_world = gate->target;
 267
 268    world_volumes.inside = 0;
 269
 270    audio_lock();
 271    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 272    audio_unlock();
 273 }
 274
 275 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 276 {
 277    /* FIXME: Applies to main_camera directly! */
 278
 279    /* Pre-emptively edit the camera matrices so that the motion vectors
 280     * are correct */
 281    m4x3f transport_i;
 282    m4x4f transport_4;
 283    m4x3_invert_affine( transport, transport_i );
 284    m4x3_expand( transport_i, transport_4 );
 285    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 286    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 287
 288    /* we want the regular transform here no the inversion */
 289    m4x3_expand( transport, transport_4 );
 290    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 291    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 292 }
 293
 294 __attribute__ ((deprecated))
 295 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 296 {
 297    v3_copy( angles, d );
 298    return;
 299
 300    v3f fwd_dir = { cosf(angles[0]),
 301                    0.0f,
 302                    sinf(angles[0])};
 303    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 304
 305    v3_copy( angles, d );
 306    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 307 }
 308
 309 PLAYER_API void player__im_gui( player_instance *player )
 310 {
 311 #if 0
 312    vg_uictx.cursor[0] = vg.window_x - 200;
 313    vg_uictx.cursor[1] = 0;
 314    vg_uictx.cursor[2] = 200;
 315    vg_uictx.cursor[3] = 200;
 316
 317    struct ui_vert *b = ui_fill_rect( vg_uictx.cursor, 0x70000000 );
 318
 319    vg_uictx.cursor[0] = vg.window_x;
 320
 321    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 322    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 323
 324    if( _player_im_gui[ player->subsystem ] )
 325       _player_im_gui[ player->subsystem ]( player );
 326
 327    b[2].co[1] = vg_uictx.cursor[1];
 328    b[3].co[1] = vg_uictx.cursor[1];
 329 #endif
 330 }
 331
 332 VG_STATIC void global_skateshop_exit(void);
 333 PLAYER_API void player__spawn( player_instance *player,
 334                                ent_spawn *rp )
 335 {
 336    v3_copy( rp->transform.co, player->rb.co );
 337    v3_zero( player->rb.v );
 338    v3_zero( player->rb.w );
 339    q_identity( player->rb.q );
 340    rb_update_transform( &player->rb );
 341
 342    q_identity( player->qbasis );
 343    m3x3_identity( player->basis );
 344    m3x3_identity( player->invbasis );
 345
 346    player->subsystem = k_player_subsystem_walk;
 347    player->immobile = 0;
 348    player->gate_waiting = NULL;
 349    player->rewind_length = 0;
 350    player->rewind_accum = 0.0f;
 351    player->rewind_gate = NULL;
 352    player->rewinding = 0;
 353    world_static.last_use = 0.0;
 354
 355    global_skateshop_exit();
 356
 357    if( _player_reset[ player->subsystem ] )
 358       _player_reset[ player->subsystem ]( player, rp );
 359 }
 360
 361
 362 PLAYER_API void player__kill( player_instance *player )
 363 {
 364
 365 }
 366
 367 /* implementation */
 368 #include "player_common.c"
 369 #include "player_walk.c"
 370 #include "player_skate.c"
 371 #include "player_dead.c"
 372 #include "player_drive.c"
 373 #include "player_render.c"
 374 #include "player_ragdoll.c"
 375
 376 #endif /* PLAYER_C */