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    VG_VAR_I32( k_player_debug_info );
  44
  45    vg_console_reg_var( "cinema", &k_cinema, k_var_dtype_f32, 0 );
  46    vg_console_reg_var( "cinema_fixed", &k_cinema_fixed, k_var_dtype_i32, 0 );
  47    vg_console_reg_var( "invert_y", &k_invert_y,
  48                         k_var_dtype_i32, VG_VAR_PERSISTENT );
  49 }
  50
  51 PLAYER_API
  52 void player__debugtext( int size, const char *fmt, ... )
  53 {
  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( g_player_debugger, buffer, size, k_ui_align_left, 0 );
  62    g_player_debugger[1] += size*16;
  63 }
  64
  65 /*
  66  * Init
  67  */
  68 PLAYER_API
  69 void player__create( player_instance *inst )
  70 {
  71    static int only_once = 0;
  72    assert( only_once == 0 );
  73    only_once ++;
  74
  75    v3_zero( inst->rb.co );
  76    v3_zero( inst->rb.w );
  77    v3_zero( inst->rb.v );
  78    q_identity( inst->rb.q );
  79    m4x3_identity( inst->rb.to_world );
  80    m4x3_identity( inst->rb.to_local );
  81
  82    inst->rewind_length = 0;
  83    inst->rewind_buffer =
  84       vg_linear_alloc( vg_mem.rtmemory,
  85                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
  86
  87 }
  88
  89 /*
  90  * Appearence
  91  */
  92 PLAYER_API
  93 void player__use_avatar( player_instance *player, struct player_avatar *av )
  94 {
  95    player->playeravatar = av;
  96    player_setup_ragdoll_from_avatar( &player->ragdoll, av );
  97 }
  98
  99 PLAYER_API
 100 void player__use_model( player_instance *player, u16 reg_id ){
 101    addon_cache_unwatch( k_addon_type_player, player->playermodel_view_slot );
 102    player->playermodel_view_slot =
 103       addon_cache_create_viewer( k_addon_type_player, reg_id );
 104 }
 105
 106 PLAYER_API
 107 void player__bind( player_instance *player )
 108 {
 109    for( u32 i=0; i<vg_list_size(_player_bind); i++ ){
 110       if( _player_bind[i] )
 111          _player_bind[i]( player );
 112    }
 113 }
 114
 115 /*
 116  * Gameloop events
 117  * ----------------------------------------------------------------------------
 118  */
 119
 120 VG_STATIC void player_save_rewind_frame( player_instance *player )
 121 {
 122    if( player->rewind_length < PLAYER_REWIND_FRAMES ){
 123       struct rewind_frame *fr =
 124          &player->rewind_buffer[ player->rewind_length ++ ];
 125
 126       v2_copy( player->cam.angles, fr->ang );
 127       v3_copy( player->cam.pos, fr->pos );
 128
 129       if( player->rewind_length >= 2 ){
 130          player->rewind_total_length +=
 131             v3_dist( player->rewind_buffer[player->rewind_length-1].pos,
 132                      player->rewind_buffer[player->rewind_length-2].pos );
 133       }
 134    }
 135 }
 136
 137 PLAYER_API
 138 void player__pre_update( player_instance *player )
 139 {
 140    if( player->rewinding ){
 141       return;
 142    }
 143
 144    if( button_down( k_srbind_reset ) && !player->immobile ){
 145       f64 delta = world_static.time - world_static.last_use;
 146
 147       if( (delta <= RESET_MAX_TIME) && (world_static.last_use != 0.0) ){
 148          player->rewinding = 1;
 149          player->rewind_sound_wait = 1;
 150          player->rewind_time = (double)player->rewind_length - 0.0001;
 151          player_save_rewind_frame( player );
 152
 153          audio_lock();
 154          audio_oneshot( &audio_rewind[0], 1.0f, 0.0f );
 155          audio_unlock();
 156
 157          /* based on testing. DONT CHANGE!
 158           *
 159           *    time taken: y = (x^(4/5)) * 74.5
 160           *    inverse   : x = (2/149)^(4/5) * y^(4/5)
 161           */
 162
 163          float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
 164                curve    = powf( player->rewind_total_length, 4.0f/5.0f );
 165
 166          player->rewind_predicted_time = constant * curve;
 167          player->rewind_start = vg.time;
 168          player->subsystem = player->subsystem_gate;
 169          player->rb = player->rb_gate_storage;
 170          v3_copy( player->angles_storage, player->angles );
 171
 172          if( _player_restore[ player->subsystem ] )
 173             _player_restore[ player->subsystem ]( player );
 174       }
 175       else{
 176          if( player->subsystem == k_player_subsystem_dead ){
 177             localplayer_cmd_respawn( 0, NULL );
 178          }
 179          else{
 180             /* cant do that */
 181             audio_lock();
 182             audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 183             audio_unlock();
 184          }
 185       }
 186    }
 187
 188    if( button_down( k_srbind_camera ) && !player->immobile ){
 189       if( player->camera_mode == k_cam_firstperson )
 190          player->camera_mode = k_cam_thirdperson;
 191       else
 192          player->camera_mode = k_cam_firstperson;
 193    }
 194
 195    if( _player_pre_update[ player->subsystem ] )
 196       _player_pre_update[ player->subsystem ]( player );
 197 }
 198
 199 PLAYER_API
 200 void player__update( player_instance *player )
 201 {
 202    if( player->rewinding )
 203       return;
 204
 205    if( _player_update[ player->subsystem ] )
 206       _player_update[ player->subsystem ]( player );
 207 }
 208
 209 PLAYER_API
 210 void player__post_update( player_instance *player )
 211 {
 212    if( player->rewinding )
 213       return;
 214
 215    if( _player_post_update[ player->subsystem ] )
 216       _player_post_update[ player->subsystem ]( player );
 217
 218    if((player->subsystem != k_player_subsystem_dead) && !player->gate_waiting){
 219       player->rewind_accum += vg.time_frame_delta;
 220
 221       if( player->rewind_accum > 0.25f ){
 222          player->rewind_accum -= 0.25f;
 223          player_save_rewind_frame( player );
 224       }
 225    }
 226 }
 227
 228 /*
 229  * Applies gate transport to a player_interface
 230  */
 231 PLAYER_API
 232 void player__pass_gate( player_instance *player, ent_gate *gate )
 233 {
 234    world_routes_fracture( world_current_instance(), gate,
 235                           player->rb.co, player->rb.v );
 236
 237    player->gate_waiting = gate;
 238    world_routes_activate_entry_gate( world_current_instance(), gate );
 239
 240    m4x3_mulv( gate->transport, player->tpv_lpf, player->tpv_lpf );
 241    m3x3_mulv( gate->transport, player->cam_velocity_smooth,
 242                                player->cam_velocity_smooth );
 243
 244    m3x3_copy( player->basis, player->basis_gate );
 245
 246    v4f q;
 247    m3x3_q( gate->transport, q );
 248    q_mul( q, player->qbasis, player->qbasis );
 249    q_normalize( player->qbasis );
 250    q_m3x3( player->qbasis, player->basis );
 251    m3x3_transpose( player->basis, player->invbasis );
 252
 253    player->subsystem_gate = player->subsystem;
 254    player->rb_gate_storage = player->rb;
 255    v3_copy( player->angles, player->angles_storage );
 256    player->rewind_length = 0;
 257    player->rewind_total_length = 0.0f;
 258    player->rewind_gate = gate;
 259    player->rewind_accum = 0.0f;
 260
 261    m4x3_mulv( gate->transport, player->cam.pos, player->cam.pos );
 262    player_save_rewind_frame( player );
 263
 264    if( gate->type == k_gate_type_nonlocel )
 265       world_static.active_world = gate->target;
 266
 267    world_volumes.inside = 0;
 268
 269    audio_lock();
 270    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 271    audio_unlock();
 272 }
 273
 274 VG_STATIC void player_apply_transport_to_cam( m4x3f transport )
 275 {
 276    /* FIXME: Applies to main_camera directly! */
 277
 278    /* Pre-emptively edit the camera matrices so that the motion vectors
 279     * are correct */
 280    m4x3f transport_i;
 281    m4x4f transport_4;
 282    m4x3_invert_affine( transport, transport_i );
 283    m4x3_expand( transport_i, transport_4 );
 284    m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
 285    m4x4_mul( main_camera.mtx.v,  transport_4, main_camera.mtx.v );
 286
 287    /* we want the regular transform here no the inversion */
 288    m4x3_expand( transport, transport_4 );
 289    m4x4_mul( gate_camera.mtx.pv, transport_4, gate_camera.mtx.pv );
 290    m4x4_mul( gate_camera.mtx.v,  transport_4, gate_camera.mtx.v );
 291 }
 292
 293 __attribute__ ((deprecated))
 294 VG_STATIC void gate_rotate_angles( ent_gate *gate, v3f angles, v3f d )
 295 {
 296    v3_copy( angles, d );
 297    return;
 298
 299    v3f fwd_dir = { cosf(angles[0]),
 300                    0.0f,
 301                    sinf(angles[0])};
 302    m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
 303
 304    v3_copy( angles, d );
 305    d[0] = atan2f( fwd_dir[2], fwd_dir[0] );
 306 }
 307
 308 PLAYER_API void player__im_gui( player_instance *player ){
 309    if( !k_player_debug_info ) return;
 310
 311    ui_rect box = {
 312       vg.window_x - 300,
 313       0,
 314       300,
 315       vg.window_y
 316    };
 317
 318    ui_fill( box, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 319
 320    g_player_debugger[0] = box[0];
 321    g_player_debugger[1] = 0;
 322    g_player_debugger[2] = 300;
 323    g_player_debugger[3] = 16;
 324
 325    player__debugtext( 1, "angles: " PRINTF_v3f( player->cam.angles ) );
 326    player__debugtext( 1, "basis:  " PRINTF_v4f( player->qbasis ) );
 327
 328    if( _player_im_gui[ player->subsystem ] )
 329       _player_im_gui[ player->subsystem ]( player );
 330 }
 331
 332 VG_STATIC void global_skateshop_exit(void);
 333
 334 PLAYER_API void player__setpos( player_instance *player, v3f pos ){
 335    v3_copy( pos, player->rb.co );
 336    v3_zero( player->rb.v );
 337    rb_update_transform( &player->rb );
 338 }
 339
 340 PLAYER_API void player__spawn( player_instance *player, ent_spawn *rp ){
 341    player__setpos( player, rp->transform.co );
 342    v3_zero( player->rb.w );
 343    q_identity( player->rb.q );
 344    rb_update_transform( &player->rb );
 345
 346    q_identity( player->qbasis );
 347    m3x3_identity( player->basis );
 348    m3x3_identity( player->invbasis );
 349
 350    player->subsystem = k_player_subsystem_walk;
 351    player->immobile = 0;
 352    player->gate_waiting = NULL;
 353    player->rewind_length = 0;
 354    player->rewind_accum = 0.0f;
 355    player->rewind_gate = NULL;
 356    player->rewinding = 0;
 357    world_static.last_use = 0.0;
 358
 359    global_skateshop_exit();
 360
 361    if( _player_reset[ player->subsystem ] )
 362       _player_reset[ player->subsystem ]( player, rp );
 363 }
 364
 365
 366 PLAYER_API void player__kill( player_instance *player ){
 367
 368 }
 369
 370 /* implementation */
 371 #include "player_common.c"
 372 #include "player_walk.c"
 373 #include "player_skate.c"
 374 #include "player_dead.c"
 375 #include "player_drive.c"
 376 #include "player_render.c"
 377 #include "player_ragdoll.c"
 378
 379 #endif /* PLAYER_C */