menu.h

   1 #ifndef MENU_H
   2 #define MENU_H
   3
   4 #include "common.h"
   5 #include "model.h"
   6 #include "world_render.h"
   7 #include "player.h"
   8 #include "conf.h"
   9
  10 #include "shaders/model_menu.h"
  11 #include "vg_steam_friends.h"
  12 #include "submodules/tinydir/tinydir.h"
  13
  14 VG_STATIC mdl_context menu_model;
  15 VG_STATIC mdl_array_ptr   menu_markers;
  16 VG_STATIC glmesh      menu_glmesh;
  17 VG_STATIC m4x3f       menu_mdl_mtx;
  18 VG_STATIC float       menu_opacity = 0.0f;
  19 VG_STATIC float       menu_input_cooldown = 0.0f;
  20 VG_STATIC float       menu_fov_target = 97.0f,
  21                       menu_smooth_fov = 97.0f;
  22 VG_STATIC v2f         menu_extra_angles;
  23 VG_STATIC v3f         menu_camera_pos;
  24 VG_STATIC v2f         menu_camera_angles;
  25
  26 VG_STATIC int         cl_menu         = 0,
  27                       cl_menu_go_away = 0;
  28
  29 VG_STATIC int         menu_enabled(void){ return cl_menu; }
  30
  31 VG_STATIC const char *playermodels[] = { "ch_new", "ch_jordan", "ch_outlaw" };
  32
  33 vg_tex2d tex_menu = { .path = "textures/menu.qoi",.flags = VG_TEXTURE_NEAREST };
  34
  35 VG_STATIC struct input_binding input_menu_h,
  36                                input_menu_v,
  37                                input_menu_press,
  38                                input_menu_back,
  39                                input_menu_toggle,
  40                                input_menu_toggle_kbm;
  41
  42 VG_STATIC void menu_btn_quit( int event );
  43 VG_STATIC void menu_btn_skater( int event );
  44 VG_STATIC void menu_btn_blur( int event );
  45 VG_STATIC void menu_btn_fuckoff( int event );
  46 VG_STATIC void menu_btn_reset( int event );
  47 VG_STATIC void menu_btn_map( int event );
  48 VG_STATIC void menu_btn_settings( int event );
  49 VG_STATIC void menu_btn_invert_y( int event );
  50
  51 VG_STATIC mdl_mesh *menu_mesh_fov_slider,
  52                    *menu_mesh_vol_slider;
  53
  54 VG_STATIC ent_marker
  55                    *menu_mark_fov_min,
  56                    *menu_mark_fov_max,
  57                    *menu_mark_vol_min,
  58                    *menu_mark_vol_max;
  59
  60 struct{
  61    /* state */
  62    int loc;
  63    u32 page;
  64
  65    /* map browser */
  66    struct menu_map_file{
  67       char name[ 64 ];
  68    }
  69    maps_list[ 16 ];
  70
  71    int selected_map,
  72        map_count;
  73 }
  74 VG_STATIC game_menu;
  75
  76 enum menu_page{
  77    k_menu_page_main     = 0x1,
  78    k_menu_page_skater   = 0x2,
  79    k_menu_page_quit     = 0x4,
  80    k_menu_page_settings = 0x8,
  81    k_menu_page_map      = 0x10
  82 };
  83
  84 struct menu_btn_userdata{
  85    int   i;
  86    void *ptr_generic;
  87 };
  88
  89 VG_STATIC int menu_settings_if( struct menu_btn_userdata ud )
  90 {
  91    if( game_menu.page & k_menu_page_settings ){
  92       int *ptr = ud.ptr_generic;
  93       return *ptr;
  94    }
  95    else
  96       return 0;
  97 }
  98
  99 VG_STATIC int menu_vis( struct menu_btn_userdata ud )
 100 {
 101    if( ud.i & game_menu.page )
 102       return 1;
 103    else
 104       return 0;
 105 }
 106
 107 VG_STATIC int menu_controller( struct menu_btn_userdata ud )
 108 {
 109    if( (game_menu.page & (k_menu_page_main|k_menu_page_settings))
 110          && (ud.i == menu_display_controller) )
 111       return 1;
 112    return 0;
 113 }
 114
 115 VG_STATIC int menu_controller_inf( struct menu_btn_userdata ud )
 116 {
 117    if( (game_menu.page & k_menu_page_settings)
 118         && (ud.i == menu_display_controller) )
 119       return 1;
 120    return 0;
 121 }
 122
 123 struct menu_button
 124 {
 125    const char *name;
 126
 127    int (*fn_visibility)( struct menu_btn_userdata ud );
 128    struct menu_btn_userdata user;
 129
 130    void (*fn_press)( int event );
 131
 132    const char *ll,
 133               *lu,
 134               *lr,
 135               *ld;
 136
 137    mdl_mesh *mesh;
 138    float falpha, fsize;
 139 }
 140 VG_STATIC menu_buttons[] =
 141 {
 142    {
 143       "text_quit", menu_vis, {.i=k_menu_page_main|k_menu_page_quit},
 144       .fn_press = menu_btn_quit,
 145          .ld="text_reset", .lr="text_settings", /*.ll="text_map"*/
 146    },
 147    {
 148       "text_quitty", menu_vis, {.i=k_menu_page_quit}
 149    },
 150    {
 151       "text_yes", menu_vis, {.i=k_menu_page_quit},
 152          .fn_press = menu_btn_fuckoff
 153    },
 154 {
 155    "text_reset", menu_vis, {.i=k_menu_page_main},
 156    .fn_press = menu_btn_reset,
 157       .lu="text_quit", .ld="text_skater", /*.ll="text_map",*/ .lr="text_settings"
 158 },
 159 {
 160    "text_skater", menu_vis, {.i=k_menu_page_main|k_menu_page_skater},
 161    .fn_press = menu_btn_skater,
 162       .lu="text_reset", /*.ll="text_map",*/ .lr="text_settings"
 163 },
 164 /*
 165 {
 166    "text_map", menu_vis, {.i=k_menu_page_main},
 167    .fn_press = menu_btn_map,
 168       .lr="text_reset"
 169 },
 170 */
 171 {
 172    "text_settings", menu_vis, {.i=k_menu_page_main|k_menu_page_settings},
 173    .fn_press = menu_btn_settings,
 174       .ll="text_reset"
 175 },
 176 {
 177    "skater_left", menu_vis, {k_menu_page_skater}
 178 },
 179 {
 180    "skater_right", menu_vis, {k_menu_page_skater}
 181 },
 182
 183 {
 184    "fov_slider",     menu_vis, {k_menu_page_settings},
 185    .ld="text_invert_y"
 186 },
 187 { "fov_info",        menu_vis, {k_menu_page_settings} },
 188
 189 {
 190    "vol_slider",     menu_vis, {k_menu_page_settings},
 191    .lu="text_blur"
 192 },
 193 { "vol_info",        menu_vis, {k_menu_page_settings} },
 194
 195 {
 196    "text_invert_y",  menu_vis, {k_menu_page_settings},
 197    .fn_press = menu_btn_invert_y,
 198    .lu = "fov_slider", .ld="text_blur"
 199 },
 200 {
 201    "text_invert_y_check", menu_settings_if, {.ptr_generic=&cl_invert_y}
 202 },
 203 {
 204    "text_blur",      menu_vis, {k_menu_page_settings},
 205    .fn_press = menu_btn_blur,
 206    .lu="text_invert_y", .ld="vol_slider"
 207 },
 208 {
 209    "text_blur_check", menu_settings_if, {.ptr_generic=&cl_blur}
 210 },
 211
 212 { "ctr_xbox",        menu_controller_inf, {k_menu_controller_type_xbox}},
 213 { "ctr_xbox_text",   menu_controller_inf, {k_menu_controller_type_xbox}},
 214 { "ctr_steam",       menu_controller_inf, {k_menu_controller_type_steam}},
 215 { "ctr_steam_text",  menu_controller_inf, {k_menu_controller_type_steam}},
 216 { "ctr_deck",        menu_controller_inf, {k_menu_controller_type_steam_deck}},
 217 { "ctr_deck_text",   menu_controller_inf, {k_menu_controller_type_steam_deck}},
 218 { "ctr_ps",          menu_controller_inf, {k_menu_controller_type_playstation}},
 219 { "ctr_ps_text",     menu_controller_inf, {k_menu_controller_type_playstation}},
 220 { "ctr_kbm",         menu_controller_inf, {k_menu_controller_type_keyboard}},
 221 { "ctr_kbm_text",    menu_controller_inf, {k_menu_controller_type_keyboard}},
 222 {
 223    "text_paused", menu_vis, {k_menu_page_main}
 224 },
 225 };
 226
 227 VG_STATIC int menu_get_loc( const char *loc )
 228 {
 229    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 230       if( !strcmp( menu_buttons[i].name, loc ) )
 231          return i;
 232
 233    assert(0);
 234    return 0;
 235 }
 236
 237 VG_STATIC int __respawn( int argc, const char *argv[] );
 238 VG_STATIC void menu_btn_reset( int event )
 239 {
 240    __respawn(0,NULL);
 241    cl_menu_go_away = 1;
 242    game_menu.page = 0;
 243 }
 244
 245 VG_STATIC void menu_btn_fuckoff( int event )
 246 {
 247    vg.window_should_close = 1;
 248 }
 249
 250 VG_STATIC void menu_btn_quit( int event )
 251 {
 252    game_menu.page = k_menu_page_quit;
 253    game_menu.loc = menu_get_loc( "text_yes" );
 254 }
 255
 256 VG_STATIC void menu_btn_settings( int event )
 257 {
 258    game_menu.page = k_menu_page_settings;
 259    game_menu.loc = menu_get_loc( "fov_slider" );
 260 }
 261
 262 VG_STATIC void menu_btn_skater( int event )
 263 {
 264    game_menu.page = k_menu_page_skater;
 265 }
 266
 267 VG_STATIC void menu_btn_blur( int event )
 268 {
 269    cl_blur ^= 0x1;
 270 }
 271
 272 VG_STATIC void menu_btn_invert_y( int event )
 273 {
 274    cl_invert_y ^= 0x1;
 275 }
 276
 277 VG_STATIC void menu_btn_map( int event )
 278 {
 279    game_menu.page = k_menu_page_map;
 280    game_menu.map_count = 0;
 281    game_menu.selected_map = 0;
 282
 283    tinydir_dir dir;
 284    tinydir_open( &dir, "maps" );
 285
 286    while( dir.has_next ){
 287       tinydir_file file;
 288       tinydir_readfile( &dir, &file );
 289
 290       if( file.is_reg ){
 291          struct menu_map_file *mf = &game_menu.maps_list[ game_menu.map_count ];
 292
 293          vg_strncpy( file.name, mf->name,
 294                                 vg_list_size(game_menu.maps_list[0].name)-1 );
 295
 296          game_menu.map_count ++;
 297          if( game_menu.map_count == vg_list_size(game_menu.maps_list) )
 298             break;
 299       }
 300
 301       tinydir_next( &dir );
 302    }
 303
 304    tinydir_close(&dir);
 305 }
 306
 307 VG_STATIC void menu_crap_ui(void)
 308 {
 309    if( cl_menu && (game_menu.page == k_menu_page_map) ){
 310       ui_rect box;
 311       box[0] = vg.window_x/2 - 150;
 312       box[1] = vg.window_y/2 - 300;
 313       box[2] = 300;
 314       box[3] = 600;
 315
 316       ui_fill_rect( box, 0xa0000000 );
 317
 318       if( game_menu.map_count == 0 ){
 319          ui_text( (ui_rect){ vg.window_x/2, box[1]+8, 0,0 }, "No maps found", 1,
 320                   k_text_align_center );
 321       }
 322       else{
 323          ui_rect_pad( box, 4 );
 324          box[3] = 16;
 325
 326          for( int i=0; i<game_menu.map_count; i++ ){
 327             struct menu_map_file *mf = &game_menu.maps_list[ i ];
 328
 329             ui_fill_rect( box, game_menu.selected_map == i? 0xa0ffffff:
 330                                                             0xa0808080 );
 331             ui_text( (ui_rect){ vg.window_x/2, box[1]+2, 0,0 },
 332                                  mf->name, 1, k_text_align_center );
 333             box[1] += 16+4;
 334          }
 335       }
 336    }
 337 }
 338
 339 VG_STATIC void steam_on_game_overlay( CallbackMsg_t *msg )
 340 {
 341    GameOverlayActivated_t *inf = (GameOverlayActivated_t *)msg->m_pubParam;
 342    vg_info( "Steam game overlay activated; pausing\n" );
 343
 344    if( inf->m_bActive ){
 345       cl_menu = 1;
 346       game_menu.page = k_menu_page_main;
 347       game_menu.loc = menu_get_loc( "text_skater" );
 348    }
 349 }
 350
 351 VG_STATIC void menu_init(void)
 352 {
 353    vg_create_unnamed_input( &input_menu_h, k_input_type_axis );
 354    vg_create_unnamed_input( &input_menu_v, k_input_type_axis );
 355    vg_create_unnamed_input( &input_menu_back, k_input_type_button );
 356    vg_create_unnamed_input( &input_menu_press, k_input_type_button );
 357    vg_create_unnamed_input( &input_menu_toggle, k_input_type_button );
 358    vg_create_unnamed_input( &input_menu_toggle_kbm, k_input_type_button );
 359
 360    vg_apply_bind_str( &input_menu_h, "", "gp-ls-h" );
 361    vg_apply_bind_str( &input_menu_h, "+", "right" );
 362    vg_apply_bind_str( &input_menu_h, "-", "left" );
 363    vg_apply_bind_str( &input_menu_v, "", "-gp-ls-v" );
 364    vg_apply_bind_str( &input_menu_v, "+", "up" );
 365    vg_apply_bind_str( &input_menu_v, "-", "down" );
 366    vg_apply_bind_str( &input_menu_press, "", "gp-a" );
 367    vg_apply_bind_str( &input_menu_press, "", "\2enter" );
 368    vg_apply_bind_str( &input_menu_back, "", "gp-b" );
 369    vg_apply_bind_str( &input_menu_back, "", "\2escape" );
 370    vg_apply_bind_str( &input_menu_toggle_kbm, "", "\2escape" );
 371    vg_apply_bind_str( &input_menu_toggle, "", "\2gp-menu" );
 372
 373    vg_linear_clear( vg_mem.scratch );
 374
 375    mdl_open( &menu_model, "models/rs_menu.mdl", vg_mem.rtmemory );
 376    mdl_load_metadata_block( &menu_model, vg_mem.rtmemory );
 377    mdl_load_mesh_block( &menu_model, vg_mem.scratch );
 378    mdl_load_array( &menu_model, &menu_markers, "ent_marker", vg_mem.rtmemory );
 379    //mdl_invert_uv_coordinates( &menu_model );
 380    mdl_close( &menu_model );
 381
 382    vg_acquire_thread_sync();
 383    {
 384       mdl_unpack_glmesh( &menu_model, &menu_glmesh );
 385       vg_tex2d_init( (vg_tex2d *[]){ &tex_menu }, 1 );
 386    }
 387    vg_release_thread_sync();
 388
 389    for( int i=0; i<vg_list_size(menu_buttons); i++ ){
 390       struct menu_button *btn = &menu_buttons[i];
 391       btn->mesh = mdl_find_mesh( &menu_model, btn->name );
 392
 393       if( !btn->mesh ){
 394          vg_info( "info: %s\n", btn->name );
 395          vg_fatal_exit_loop( "Menu programming error" );
 396       }
 397    }
 398
 399    menu_mark_fov_max =
 400       ent_find_marker( &menu_model, &menu_markers, "fov_slider_max" );
 401    menu_mark_fov_min =
 402       ent_find_marker( &menu_model, &menu_markers, "fov_slider_min" );
 403    menu_mark_vol_max =
 404       ent_find_marker( &menu_model, &menu_markers, "vol_slider_max" );
 405    menu_mark_vol_min =
 406       ent_find_marker( &menu_model, &menu_markers, "vol_slider_min" );
 407
 408    menu_mesh_fov_slider = mdl_find_mesh( &menu_model, "fov_slider" );
 409    menu_mesh_vol_slider = mdl_find_mesh( &menu_model, "vol_slider" );
 410
 411    shader_model_menu_register();
 412
 413 #ifdef SR_NETWORKED
 414    steam_register_callback( k_iGameOverlayActivated, steam_on_game_overlay );
 415 #endif
 416 }
 417
 418 VG_STATIC void menu_run_directional(void)
 419 {
 420    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 421
 422    if( vg_input_button_down( &input_menu_press ) ){
 423       if( btn->fn_press ){
 424          audio_lock();
 425          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 426          audio_unlock();
 427
 428          btn->fn_press( 1 );
 429          return;
 430       }
 431    }
 432
 433    if( menu_input_cooldown <= 0.0f ){
 434       v2f dir = {  input_menu_h.axis.value,
 435                   -input_menu_v.axis.value };
 436
 437       if( v2_length2( dir ) > 0.8f*0.8f ){
 438          const char *link = NULL;
 439
 440          if( fabsf(dir[0]) > fabsf(dir[1]) ){
 441             if( dir[0] > 0.0f ) link = btn->lr;
 442             else link = btn->ll;
 443          }
 444          else{
 445             if( dir[1] > 0.0f ) link = btn->ld;
 446             else link = btn->lu;
 447          }
 448
 449          if( link ){
 450             game_menu.loc = menu_get_loc( link );
 451             menu_input_cooldown = 0.25f;
 452          }
 453       }
 454    }
 455 }
 456
 457 VG_STATIC int menu_page_should_backout(void)
 458 {
 459    return vg_input_button_down( &input_menu_back );
 460 }
 461
 462 VG_STATIC void menu_close(void)
 463 {
 464    cl_menu_go_away = 1;
 465    game_menu.page = 0;
 466    game_menu.loc = menu_get_loc( "text_skater" );
 467 }
 468
 469 VG_STATIC void menu_page_main(void)
 470 {
 471    if( menu_page_should_backout() )
 472    {
 473       menu_close();
 474       return;
 475    }
 476
 477    menu_fov_target = 112.0f;
 478    menu_run_directional();
 479 }
 480
 481 VG_STATIC void menu_page_map(void)
 482 {
 483    if( menu_page_should_backout() ){
 484       game_menu.page = k_menu_page_main;
 485       game_menu.loc = menu_get_loc( "text_map" );
 486    }
 487
 488    if( game_menu.map_count > 0 ){
 489       float v = input_menu_v.axis.value;
 490       if( (fabsf(v) > 0.7f) && (menu_input_cooldown <= 0.0f) ){
 491          audio_lock();
 492          audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 493          audio_unlock();
 494
 495          if( v > 0.0f ){
 496             game_menu.selected_map --;
 497
 498             if( game_menu.selected_map < 0 )
 499                game_menu.selected_map = game_menu.map_count-1;
 500
 501             menu_input_cooldown = 0.25f;
 502          }
 503          else{
 504             game_menu.selected_map ++;
 505
 506             if( game_menu.selected_map >= game_menu.map_count )
 507                game_menu.selected_map = 0;
 508
 509             menu_input_cooldown = 0.25f;
 510          }
 511       }
 512
 513       if( vg_input_button_down( &input_menu_press ) ){
 514 #if 0
 515          /* load map */
 516          char temp[256];
 517          strcpy( temp, "maps/" );
 518          strcat( temp, game_menu.maps_list[game_menu.selected_map].name );
 519
 520          world_change_world( 1, (const char *[]){ temp } );
 521          menu_close();
 522 #endif
 523       }
 524    }
 525
 526    menu_fov_target = 80.0f;
 527 }
 528
 529 VG_STATIC void menu_page_quit(void)
 530 {
 531    if( menu_page_should_backout() ){
 532       game_menu.page = k_menu_page_main;
 533       game_menu.loc = menu_get_loc( "text_quit" );
 534    }
 535
 536    menu_fov_target = 90.0f;
 537    menu_run_directional();
 538 }
 539
 540 void temp_update_playermodel(void);
 541 VG_STATIC void menu_page_skater(void)
 542 {
 543    float h = input_menu_h.axis.value;
 544    menu_fov_target = 97.0f;
 545
 546    if( menu_page_should_backout() ){
 547       game_menu.page = k_menu_page_main;
 548       game_menu.loc = menu_get_loc( "text_skater" );
 549       return;
 550    }
 551
 552    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) ){
 553       audio_lock();
 554       audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 555       audio_unlock();
 556
 557       vg_info( "%f\n", h );
 558
 559       if( h < 0.0f ){
 560          cl_playermdl_id --;
 561          if( cl_playermdl_id < 0 )
 562             cl_playermdl_id = 2;
 563
 564          int li = menu_get_loc( "skater_left" );
 565
 566          menu_buttons[li].fsize = 0.4f;
 567          menu_buttons[li].falpha = 1.0f;
 568
 569          menu_input_cooldown = 0.25f;
 570       }
 571       else{
 572          cl_playermdl_id ++;
 573          if( cl_playermdl_id > 2 )
 574             cl_playermdl_id = 0;
 575
 576          int ri = menu_get_loc( "skater_right" );
 577
 578          menu_buttons[ri].fsize = 0.4f;
 579          menu_buttons[ri].falpha = 1.0f;
 580
 581          menu_input_cooldown = 0.25f;
 582       }
 583
 584       temp_update_playermodel();
 585    }
 586 }
 587
 588 VG_STATIC void menu_slider( float *value, int set_value,
 589                             mdl_mesh *slider, v3f co_min, v3f co_max )
 590 {
 591    if( set_value ){
 592       float h = input_menu_h.axis.value;
 593       if( fabsf(h) > 0.04f )
 594          *value += h * vg.frame_delta;
 595       *value = vg_clampf( *value, 0.0f, 1.0f );
 596    }
 597
 598    v3_lerp( co_min, co_max, *value, slider->transform.co );
 599 }
 600
 601 VG_STATIC void menu_page_settings(void)
 602 {
 603    menu_run_directional();
 604
 605    int fov_select = game_menu.loc == menu_get_loc( "fov_slider" );
 606    menu_slider( &cl_fov, fov_select,
 607                   menu_mesh_fov_slider, menu_mark_fov_min->transform.co,
 608                   menu_mark_fov_max->transform.co );
 609
 610    if( fov_select )
 611       menu_fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov ) * 0.8f;
 612
 613    menu_slider( &vg_audio.external_global_volume,
 614                   (game_menu.loc == menu_get_loc( "vol_slider" )),
 615                   menu_mesh_vol_slider, menu_mark_vol_min->transform.co,
 616                   menu_mark_vol_max->transform.co );
 617
 618    if( menu_page_should_backout() ){
 619       game_menu.page = k_menu_page_main;
 620       game_menu.loc = menu_get_loc( "text_settings" );
 621       return;
 622    }
 623 }
 624
 625 player_instance *tmp_localplayer(void);
 626
 627 VG_STATIC void menu_update(void)
 628 {
 629    vg_input_update( 1, &input_menu_h );
 630    vg_input_update( 1, &input_menu_v );
 631    vg_input_update( 1, &input_menu_back );
 632    vg_input_update( 1, &input_menu_press );
 633    vg_input_update( 1, &input_menu_toggle );
 634    vg_input_update( 1, &input_menu_toggle_kbm );
 635
 636    int toggle_gp = vg_input_button_down( &input_menu_toggle ),
 637        toggle_kb = vg_input_button_down( &input_menu_toggle_kbm ),
 638        wait_for_a_sec = 0;
 639
 640    if( toggle_gp || toggle_kb ){
 641       if( cl_menu ){
 642          if( toggle_gp ){
 643             menu_close();
 644          }
 645       }
 646       else{
 647          if( toggle_kb )
 648             wait_for_a_sec = 1;
 649
 650          cl_menu = 1;
 651          game_menu.page = 1;
 652       }
 653    }
 654
 655    if( !wait_for_a_sec && cl_menu ){
 656       if( game_menu.page == k_menu_page_main )
 657          menu_page_main();
 658       else if( game_menu.page == k_menu_page_skater )
 659          menu_page_skater();
 660       else if( game_menu.page == k_menu_page_quit )
 661          menu_page_quit();
 662       else if( game_menu.page == k_menu_page_settings )
 663          menu_page_settings();
 664       else if( game_menu.page == k_menu_page_map )
 665          menu_page_map();
 666    }
 667
 668    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 669
 670    /* Base */
 671    {
 672       player_instance *player = tmp_localplayer();
 673       struct player_avatar *av = player->playeravatar;
 674
 675       v3f center_rough;
 676       if( player->subsystem == k_player_subsystem_dead ){
 677          m4x3_mulv( av->sk.final_mtx[av->id_hip], (v3f){0.0f,0.9f,0.0f},
 678                     center_rough );
 679       }
 680       else{
 681          m4x3_mulv( av->sk.final_mtx[av->id_head], (v3f){0.0f,1.5f,0.0f},
 682                     center_rough );
 683       }
 684
 685       v3f cam_offset;
 686       float cam_rot;
 687       if( player->subsystem == k_player_subsystem_walk ){
 688          v3_muls( player->rb.to_world[2],  1.0f, cam_offset );
 689          cam_rot = 0.0f;
 690       }
 691       else{
 692          v3_muls( player->rb.to_world[0], -1.0f, cam_offset );
 693          cam_rot = -VG_PIf*0.5f;
 694       }
 695
 696
 697       v3f lookdir;
 698       m3x3_mulv( player->invbasis, cam_offset, lookdir );
 699       lookdir[1] = 0.0f;
 700       v3_normalize( lookdir );
 701
 702       m3x3_mulv( player->basis, lookdir, cam_offset );
 703       v3_muladds( center_rough, cam_offset, 2.0f, menu_camera_pos );
 704
 705       menu_camera_angles[1] = 0.0f;
 706       menu_camera_angles[0] = -atan2f( lookdir[0], lookdir[2] );
 707
 708       /* setup model matrix */
 709       v4f qmenu_mdl;
 710       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -menu_camera_angles[0] );
 711       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 712       v3_add( center_rough, (v3f){0.0f,-0.5f,0.0f}, menu_mdl_mtx[3] );
 713       m3x3_mul( player->basis, menu_mdl_mtx, menu_mdl_mtx );
 714
 715       menu_smooth_fov = vg_lerpf( menu_smooth_fov, menu_fov_target,
 716                                   vg.frame_delta * 8.2f );
 717    }
 718
 719    /* Extra */
 720    {
 721       v3f delta;
 722       v3_sub( btn->mesh->transform.co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 723       v3_normalize( delta );
 724
 725       float y = atan2f( delta[0], delta[2] ),
 726             p = -sinf(delta[1]),
 727             dt = vg.frame_delta;
 728
 729       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 730       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 731
 732       v2_muladds( menu_camera_angles, menu_extra_angles, 0.8f,
 733                   menu_camera_angles );
 734       menu_camera_angles[0] = fmodf( menu_camera_angles[0], VG_TAUf );
 735    }
 736
 737    float dt = vg.frame_delta * 6.0f;
 738    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 739
 740    if( menu_opacity <= 0.01f ){
 741       cl_menu = 0;
 742       cl_menu_go_away = 0;
 743    }
 744
 745    vg.time_rate = 1.0-(double)menu_opacity;
 746
 747    if( cl_menu ){
 748       menu_input_cooldown -= vg.frame_delta;
 749    }
 750 }
 751
 752 /* https://iquilezles.org/articles/functions/ */
 753 float expSustainedImpulse( float x, float f, float k )
 754 {
 755     float s = fmaxf(x-f,0.0f);
 756     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 757 }
 758
 759 VG_STATIC void menu_render_bg(void)
 760 {
 761    glEnable(GL_BLEND);
 762    glDisable(GL_DEPTH_TEST);
 763    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 764    glBlendEquation(GL_FUNC_ADD);
 765
 766    shader_blitcolour_use();
 767    shader_blitcolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 768    render_fsquad();
 769 }
 770
 771 VG_STATIC void menu_render_fg( camera *cam )
 772 {
 773    glEnable( GL_DEPTH_TEST );
 774    glDisable( GL_BLEND );
 775
 776    m4x3f mtx;
 777
 778    shader_model_menu_use();
 779    shader_model_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 780    shader_model_menu_uTexMain( 1 );
 781    vg_tex2d_bind( &tex_menu, 1 );
 782
 783    shader_model_menu_uPv( cam->mtx.pv );
 784    shader_model_menu_uPvmPrev( cam->mtx_prev.pv );
 785    mesh_bind( &menu_glmesh );
 786
 787    for( int i=0; i<vg_list_size(menu_buttons); i++ ){
 788       struct menu_button *btn = &menu_buttons[i];
 789       float talpha = i==game_menu.loc? 1.0f: 0.0f,
 790             tsize0 = btn->fn_visibility( btn->user )? 1.0f: 0.0f,
 791             tsize1 = i==game_menu.loc? 0.07f: 0.0f,
 792             tsize  = tsize0+tsize1;
 793
 794       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.frame_delta * 14.0f );
 795       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.frame_delta * 7.0f  );
 796
 797       /* Colour */
 798       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 799           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 800           vcurrent;
 801
 802       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 803       shader_model_menu_uColour( vcurrent );
 804
 805       /* Create matrix */
 806       m4x3f mtx_size;
 807       mdl_transform_m4x3( &btn->mesh->transform, mtx );
 808       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 809       m4x3_identity( mtx_size );
 810       m4x3_scale( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 811       m4x3_mul( mtx, mtx_size, mtx );
 812       shader_model_menu_uMdl( mtx );
 813
 814       for( int j=0; j<btn->mesh->submesh_count; j++ ){
 815          mdl_submesh *sm =
 816             mdl_arritm( &menu_model.submeshs, btn->mesh->submesh_start+j );
 817          mdl_draw_submesh( sm );
 818       }
 819    }
 820
 821    /*
 822    for( int i=0; i<menu_model->node_count; i++ )
 823    {
 824       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 825
 826       for( int j=0; j<pnode->submesh_count; j++ )
 827       {
 828          mdl_submesh *sm =
 829             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 830
 831          mdl_node_transform( pnode, mtx );
 832          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 833          shader_menu_uMdl( mtx );
 834
 835          mdl_draw_submesh( sm );
 836       }
 837    }
 838    */
 839 }
 840
 841 #endif /* MENU_H */