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
  13 VG_STATIC mdl_context menu_model;
  14 VG_STATIC mdl_array_ptr   menu_markers;
  15 VG_STATIC glmesh      menu_glmesh;
  16 VG_STATIC m4x3f       menu_mdl_mtx;
  17 VG_STATIC float       menu_opacity = 0.0f;
  18 VG_STATIC float       menu_input_cooldown = 0.0f;
  19 VG_STATIC float       menu_fov_target = 97.0f,
  20                       menu_smooth_fov = 97.0f;
  21 VG_STATIC v2f         menu_extra_angles;
  22 VG_STATIC v3f         menu_camera_pos;
  23 VG_STATIC v2f         menu_camera_angles;
  24
  25 VG_STATIC int         cl_menu         = 0,
  26                       cl_menu_go_away = 0;
  27
  28 VG_STATIC int         menu_enabled(void){ return cl_menu; }
  29
  30 VG_STATIC const char *playermodels[] = { "ch_new", "ch_jordan", "ch_outlaw" };
  31
  32 GLuint tex_menu;
  33
  34 #if 0
  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 #endif
  42
  43 VG_STATIC void menu_btn_quit( int event );
  44 VG_STATIC void menu_btn_skater( int event );
  45 VG_STATIC void menu_btn_blur( int event );
  46 VG_STATIC void menu_btn_fuckoff( int event );
  47 VG_STATIC void menu_btn_reset( int event );
  48 VG_STATIC void menu_btn_map( int event );
  49 VG_STATIC void menu_btn_settings( int event );
  50 VG_STATIC void menu_btn_invert_y( int event );
  51
  52 VG_STATIC mdl_mesh *menu_mesh_fov_slider,
  53                    *menu_mesh_vol_slider,
  54                    *menu_mesh_res_slider;
  55
  56 VG_STATIC ent_marker
  57                    *menu_mark_fov_min,
  58                    *menu_mark_fov_max,
  59                    *menu_mark_vol_min,
  60                    *menu_mark_vol_max,
  61                    *menu_mark_res_min,
  62                    *menu_mark_res_max;
  63
  64 struct{
  65    /* state */
  66    int loc;
  67    u32 page;
  68
  69    /* map browser */
  70    struct menu_map_file{
  71       char name[ 64 ];
  72    }
  73    maps_list[ 16 ];
  74
  75    int selected_map,
  76        map_count;
  77 }
  78 VG_STATIC game_menu;
  79
  80 enum menu_page{
  81    k_menu_page_main     = 0x1,
  82    k_menu_page_skater   = 0x2,
  83    k_menu_page_quit     = 0x4,
  84    k_menu_page_settings = 0x8,
  85    k_menu_page_map      = 0x10
  86 };
  87
  88 struct menu_btn_userdata{
  89    int   i;
  90    void *ptr_generic;
  91 };
  92
  93 VG_STATIC int menu_settings_if( struct menu_btn_userdata ud )
  94 {
  95    if( game_menu.page & k_menu_page_settings ){
  96       int *ptr = ud.ptr_generic;
  97       return *ptr;
  98    }
  99    else
 100       return 0;
 101 }
 102
 103 VG_STATIC int menu_vis( struct menu_btn_userdata ud )
 104 {
 105    if( ud.i & game_menu.page )
 106       return 1;
 107    else
 108       return 0;
 109 }
 110
 111 #if 0
 112 VG_STATIC int menu_controller( struct menu_btn_userdata ud )
 113 {
 114    if( (game_menu.page & (k_menu_page_main|k_menu_page_settings))
 115          && (ud.i == steam_display_controller) )
 116       return 1;
 117    return 0;
 118 }
 119
 120 VG_STATIC int menu_controller_inf( struct menu_btn_userdata ud )
 121 {
 122    if( (game_menu.page & k_menu_page_settings)
 123         && (ud.i == steam_display_controller) )
 124       return 1;
 125    return 0;
 126 }
 127 #endif
 128
 129 struct menu_button
 130 {
 131    const char *name;
 132
 133    int (*fn_visibility)( struct menu_btn_userdata ud );
 134    struct menu_btn_userdata user;
 135
 136    void (*fn_press)( int event );
 137
 138    const char *ll,
 139               *lu,
 140               *lr,
 141               *ld;
 142
 143    mdl_mesh *mesh;
 144    float falpha, fsize;
 145 }
 146 VG_STATIC menu_buttons[] =
 147 {
 148    {
 149       "text_quit", menu_vis, {.i=k_menu_page_main|k_menu_page_quit},
 150       .fn_press = menu_btn_quit,
 151          .ld="text_reset", .lr="text_settings", /*.ll="text_map"*/
 152    },
 153    {
 154       "text_quitty", menu_vis, {.i=k_menu_page_quit}
 155    },
 156    {
 157       "text_yes", menu_vis, {.i=k_menu_page_quit},
 158          .fn_press = menu_btn_fuckoff
 159    },
 160 {
 161    "text_reset", menu_vis, {.i=k_menu_page_main},
 162    .fn_press = menu_btn_reset,
 163       .lu="text_quit", .ld="text_skater", /*.ll="text_map",*/ .lr="text_settings"
 164 },
 165 {
 166    "text_skater", menu_vis, {.i=k_menu_page_main|k_menu_page_skater},
 167    .fn_press = menu_btn_skater,
 168       .lu="text_reset", /*.ll="text_map",*/ .lr="text_settings"
 169 },
 170 /*
 171 {
 172    "text_map", menu_vis, {.i=k_menu_page_main},
 173    .fn_press = menu_btn_map,
 174       .lr="text_reset"
 175 },
 176 */
 177 {
 178    "text_settings", menu_vis, {.i=k_menu_page_main|k_menu_page_settings},
 179    .fn_press = menu_btn_settings,
 180       .ll="text_reset"
 181 },
 182 {
 183    "skater_left", menu_vis, {k_menu_page_skater}
 184 },
 185 {
 186    "skater_right", menu_vis, {k_menu_page_skater}
 187 },
 188
 189 {
 190    "fov_slider",     menu_vis, {k_menu_page_settings},
 191    .ld="text_invert_y"
 192 },
 193 { "fov_info",        menu_vis, {k_menu_page_settings} },
 194
 195 {
 196    "vol_slider",     menu_vis, {k_menu_page_settings},
 197    .lu="res_slider"
 198 },
 199 { "vol_info",        menu_vis, {k_menu_page_settings} },
 200
 201 {
 202    "text_invert_y",  menu_vis, {k_menu_page_settings},
 203    .fn_press = menu_btn_invert_y,
 204    .lu = "fov_slider", .ld="text_blur"
 205 },
 206 {
 207    "text_invert_y_check", menu_settings_if, {.ptr_generic=&cl_invert_y}
 208 },
 209 {
 210    "text_blur",      menu_vis, {k_menu_page_settings},
 211    .fn_press = menu_btn_blur,
 212    .lu="text_invert_y", .ld="res_slider"
 213 },
 214 {
 215    "text_blur_check", menu_settings_if, {.ptr_generic=&cl_blur}
 216 },
 217 {
 218    "res_slider",     menu_vis, {k_menu_page_settings},
 219    .ld = "vol_slider", .lu = "text_blur"
 220 },
 221 {
 222    "res_info", menu_vis, {k_menu_page_settings},
 223 },
 224 #if 0
 225 { "ctr_xbox",       menu_controller_inf, {k_steam_controller_type_xbox}},
 226 { "ctr_xbox_text",  menu_controller_inf, {k_steam_controller_type_xbox}},
 227 { "ctr_steam",      menu_controller_inf, {k_steam_controller_type_steam}},
 228 { "ctr_steam_text", menu_controller_inf, {k_steam_controller_type_steam}},
 229 { "ctr_deck",       menu_controller_inf, {k_steam_controller_type_steam_deck}},
 230 { "ctr_deck_text",  menu_controller_inf, {k_steam_controller_type_steam_deck}},
 231 { "ctr_ps",         menu_controller_inf, {k_steam_controller_type_playstation}},
 232 { "ctr_ps_text",    menu_controller_inf, {k_steam_controller_type_playstation}},
 233 { "ctr_kbm",        menu_controller_inf, {k_steam_controller_type_keyboard}},
 234 { "ctr_kbm_text",   menu_controller_inf, {k_steam_controller_type_keyboard}},
 235 #endif
 236 {
 237    "text_paused", menu_vis, {k_menu_page_main}
 238 },
 239 };
 240
 241 VG_STATIC int menu_get_loc( const char *loc )
 242 {
 243    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 244       if( !strcmp( menu_buttons[i].name, loc ) )
 245          return i;
 246
 247    assert(0);
 248    return 0;
 249 }
 250
 251 VG_STATIC void menu_btn_reset( int event )
 252 {
 253    localplayer_cmd_respawn( 0, NULL );
 254    cl_menu_go_away = 1;
 255    game_menu.page = 0;
 256 }
 257
 258 VG_STATIC void menu_btn_fuckoff( int event )
 259 {
 260    vg.window_should_close = 1;
 261 }
 262
 263 VG_STATIC void menu_btn_quit( int event )
 264 {
 265    game_menu.page = k_menu_page_quit;
 266    game_menu.loc = menu_get_loc( "text_yes" );
 267 }
 268
 269 VG_STATIC void menu_btn_settings( int event )
 270 {
 271    game_menu.page = k_menu_page_settings;
 272    game_menu.loc = menu_get_loc( "fov_slider" );
 273 }
 274
 275 VG_STATIC void menu_btn_skater( int event )
 276 {
 277    game_menu.page = k_menu_page_skater;
 278 }
 279
 280 VG_STATIC void menu_btn_blur( int event )
 281 {
 282    cl_blur ^= 0x1;
 283 }
 284
 285 VG_STATIC void menu_btn_invert_y( int event )
 286 {
 287    cl_invert_y ^= 0x1;
 288 }
 289
 290 VG_STATIC void menu_btn_map( int event )
 291 {
 292    game_menu.page = k_menu_page_map;
 293    game_menu.map_count = 0;
 294    game_menu.selected_map = 0;
 295
 296    tinydir_dir dir;
 297    tinydir_open( &dir, "maps" );
 298
 299    while( dir.has_next ){
 300       tinydir_file file;
 301       tinydir_readfile( &dir, &file );
 302
 303       if( file.is_reg ){
 304          struct menu_map_file *mf = &game_menu.maps_list[ game_menu.map_count ];
 305
 306          vg_strncpy( file.name, mf->name,
 307                                 vg_list_size(game_menu.maps_list[0].name),
 308                                 k_strncpy_always_add_null );
 309
 310          game_menu.map_count ++;
 311          if( game_menu.map_count == vg_list_size(game_menu.maps_list) )
 312             break;
 313       }
 314
 315       tinydir_next( &dir );
 316    }
 317
 318    tinydir_close(&dir);
 319 }
 320
 321 VG_STATIC void menu_crap_ui(void)
 322 {
 323 #if 0
 324    if( cl_menu && (game_menu.page == k_menu_page_map) ){
 325       ui_rect box;
 326       box[0] = vg.window_x/2 - 150;
 327       box[1] = vg.window_y/2 - 300;
 328       box[2] = 300;
 329       box[3] = 600;
 330
 331       ui_fill_rect( box, 0xa0000000 );
 332
 333       if( game_menu.map_count == 0 ){
 334          ui_text( (ui_rect){ vg.window_x/2, box[1]+8, 0,0 }, "No maps found", 1,
 335                   k_text_align_center );
 336       }
 337       else{
 338          ui_rect_pad( box, 4 );
 339          box[3] = 16;
 340
 341          for( int i=0; i<game_menu.map_count; i++ ){
 342             struct menu_map_file *mf = &game_menu.maps_list[ i ];
 343
 344             ui_fill_rect( box, game_menu.selected_map == i? 0xa0ffffff:
 345                                                             0xa0808080 );
 346             ui_text( (ui_rect){ vg.window_x/2, box[1]+2, 0,0 },
 347                                  mf->name, 1, k_text_align_center );
 348             box[1] += 16+4;
 349          }
 350       }
 351    }
 352 #endif
 353 }
 354
 355 VG_STATIC void steam_on_game_overlay( CallbackMsg_t *msg )
 356 {
 357    GameOverlayActivated_t *inf = (GameOverlayActivated_t *)msg->m_pubParam;
 358    vg_info( "Steam game overlay activated; pausing\n" );
 359
 360    if( inf->m_bActive ){
 361       cl_menu = 1;
 362       game_menu.page = k_menu_page_main;
 363       game_menu.loc = menu_get_loc( "text_skater" );
 364    }
 365 }
 366
 367 VG_STATIC void menu_init(void)
 368 {
 369 #if 0
 370    vg_apply_bind_str( &input_menu_h, "", "gp-ls-h" );
 371    vg_apply_bind_str( &input_menu_h, "+", "right" );
 372    vg_apply_bind_str( &input_menu_h, "-", "left" );
 373    vg_apply_bind_str( &input_menu_v, "", "-gp-ls-v" );
 374    vg_apply_bind_str( &input_menu_v, "+", "up" );
 375    vg_apply_bind_str( &input_menu_v, "-", "down" );
 376    vg_apply_bind_str( &input_menu_press, "", "gp-a" );
 377    vg_apply_bind_str( &input_menu_press, "", "\2enter" );
 378    vg_apply_bind_str( &input_menu_back, "", "gp-b" );
 379    vg_apply_bind_str( &input_menu_back, "", "\2escape" );
 380    vg_apply_bind_str( &input_menu_toggle_kbm, "", "\2escape" );
 381    vg_apply_bind_str( &input_menu_toggle, "", "\2gp-menu" );
 382 #endif
 383
 384    vg_linear_clear( vg_mem.scratch );
 385
 386    mdl_open( &menu_model, "models/rs_menu.mdl", vg_mem.rtmemory );
 387    mdl_load_metadata_block( &menu_model, vg_mem.rtmemory );
 388    mdl_load_array( &menu_model, &menu_markers, "ent_marker", vg_mem.rtmemory );
 389    //mdl_invert_uv_coordinates( &menu_model );
 390    mdl_async_load_glmesh( &menu_model, &menu_glmesh );
 391    mdl_close( &menu_model );
 392
 393    vg_tex2d_load_qoi_async_file( "textures/menu.qoi",
 394                                  VG_TEX2D_CLAMP|VG_TEX2D_NEAREST,
 395                                  &tex_menu );
 396
 397
 398    for( int i=0; i<vg_list_size(menu_buttons); i++ ){
 399       struct menu_button *btn = &menu_buttons[i];
 400       btn->mesh = mdl_find_mesh( &menu_model, btn->name );
 401
 402       if( !btn->mesh ){
 403          vg_info( "info: %s\n", btn->name );
 404          vg_fatal_error( "Menu programming error" );
 405       }
 406    }
 407
 408    menu_mark_fov_max =
 409       ent_find_marker( &menu_model, &menu_markers, "fov_slider_max" );
 410    menu_mark_fov_min =
 411       ent_find_marker( &menu_model, &menu_markers, "fov_slider_min" );
 412    menu_mark_vol_max =
 413       ent_find_marker( &menu_model, &menu_markers, "vol_slider_max" );
 414    menu_mark_vol_min =
 415       ent_find_marker( &menu_model, &menu_markers, "vol_slider_min" );
 416    menu_mark_res_max =
 417       ent_find_marker( &menu_model, &menu_markers, "res_slider_max" );
 418    menu_mark_res_min =
 419       ent_find_marker( &menu_model, &menu_markers, "res_slider_min" );
 420
 421    menu_mesh_fov_slider = mdl_find_mesh( &menu_model, "fov_slider" );
 422    menu_mesh_vol_slider = mdl_find_mesh( &menu_model, "vol_slider" );
 423    menu_mesh_res_slider = mdl_find_mesh( &menu_model, "res_slider" );
 424
 425    shader_model_menu_register();
 426
 427 #ifdef SR_NETWORKED
 428    steam_register_callback( k_iGameOverlayActivated, steam_on_game_overlay );
 429 #endif
 430 }
 431
 432 VG_STATIC void menu_run_directional(void)
 433 {
 434 #if 0
 435    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 436
 437    if( vg_input_button_down( &input_menu_press ) ){
 438       if( btn->fn_press ){
 439          audio_lock();
 440          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 441          audio_unlock();
 442
 443          btn->fn_press( 1 );
 444          return;
 445       }
 446    }
 447
 448    if( menu_input_cooldown <= 0.0f ){
 449       v2f dir = {  input_menu_h.axis.value,
 450                   -input_menu_v.axis.value };
 451
 452       if( v2_length2( dir ) > 0.8f*0.8f ){
 453          const char *link = NULL;
 454
 455          if( fabsf(dir[0]) > fabsf(dir[1]) ){
 456             if( dir[0] > 0.0f ) link = btn->lr;
 457             else link = btn->ll;
 458          }
 459          else{
 460             if( dir[1] > 0.0f ) link = btn->ld;
 461             else link = btn->lu;
 462          }
 463
 464          if( link ){
 465             game_menu.loc = menu_get_loc( link );
 466             menu_input_cooldown = 0.25f;
 467          }
 468       }
 469    }
 470 #endif
 471 }
 472
 473 VG_STATIC int menu_page_should_backout(void)
 474 {
 475    return 0;
 476 #if 0
 477    return vg_input_button_down( &input_menu_back );
 478 #endif
 479 }
 480
 481 VG_STATIC void menu_close(void)
 482 {
 483    cl_menu_go_away = 1;
 484    game_menu.page = 0;
 485    game_menu.loc = menu_get_loc( "text_skater" );
 486 }
 487
 488 VG_STATIC void menu_page_main(void)
 489 {
 490    if( menu_page_should_backout() )
 491    {
 492       menu_close();
 493       return;
 494    }
 495
 496    menu_fov_target = 112.0f;
 497    menu_run_directional();
 498 }
 499
 500 VG_STATIC void menu_page_map(void)
 501 {
 502    if( menu_page_should_backout() ){
 503       game_menu.page = k_menu_page_main;
 504       game_menu.loc = menu_get_loc( "text_map" );
 505    }
 506
 507    if( game_menu.map_count > 0 ){
 508 #if 0
 509       float v = input_menu_v.axis.value;
 510       if( (fabsf(v) > 0.7f) && (menu_input_cooldown <= 0.0f) ){
 511          audio_lock();
 512          audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 513          audio_unlock();
 514
 515          if( v > 0.0f ){
 516             game_menu.selected_map --;
 517
 518             if( game_menu.selected_map < 0 )
 519                game_menu.selected_map = game_menu.map_count-1;
 520
 521             menu_input_cooldown = 0.25f;
 522          }
 523          else{
 524             game_menu.selected_map ++;
 525
 526             if( game_menu.selected_map >= game_menu.map_count )
 527                game_menu.selected_map = 0;
 528
 529             menu_input_cooldown = 0.25f;
 530          }
 531       }
 532
 533       if( vg_input_button_down( &input_menu_press ) ){
 534 #if 0
 535          /* load map */
 536          char temp[256];
 537          strcpy( temp, "maps/" );
 538          strcat( temp, game_menu.maps_list[game_menu.selected_map].name );
 539
 540          world_change_world( 1, (const char *[]){ temp } );
 541          menu_close();
 542 #endif
 543       }
 544 #endif
 545    }
 546
 547    menu_fov_target = 80.0f;
 548 }
 549
 550 VG_STATIC void menu_page_quit(void)
 551 {
 552    if( menu_page_should_backout() ){
 553       game_menu.page = k_menu_page_main;
 554       game_menu.loc = menu_get_loc( "text_quit" );
 555    }
 556
 557    menu_fov_target = 90.0f;
 558    menu_run_directional();
 559 }
 560
 561 void temp_update_playermodel(void);
 562 VG_STATIC void menu_page_skater(void)
 563 {
 564 #if 0
 565    float h = input_menu_h.axis.value;
 566    menu_fov_target = 97.0f;
 567
 568    if( menu_page_should_backout() ){
 569       game_menu.page = k_menu_page_main;
 570       game_menu.loc = menu_get_loc( "text_skater" );
 571       return;
 572    }
 573
 574    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) ){
 575       audio_lock();
 576       audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 577       audio_unlock();
 578
 579       vg_info( "%f\n", h );
 580
 581       if( h < 0.0f ){
 582          cl_playermdl_id --;
 583          if( cl_playermdl_id < 0 )
 584             cl_playermdl_id = 2;
 585
 586          int li = menu_get_loc( "skater_left" );
 587
 588          menu_buttons[li].fsize = 0.4f;
 589          menu_buttons[li].falpha = 1.0f;
 590
 591          menu_input_cooldown = 0.25f;
 592       }
 593       else{
 594          cl_playermdl_id ++;
 595          if( cl_playermdl_id > 2 )
 596             cl_playermdl_id = 0;
 597
 598          int ri = menu_get_loc( "skater_right" );
 599
 600          menu_buttons[ri].fsize = 0.4f;
 601          menu_buttons[ri].falpha = 1.0f;
 602
 603          menu_input_cooldown = 0.25f;
 604       }
 605
 606       temp_update_playermodel();
 607    }
 608 #endif
 609 }
 610
 611 VG_STATIC void menu_slider( float *value, int set_value,
 612                             mdl_mesh *slider, v3f co_min, v3f co_max )
 613 {
 614 #if 0
 615    if( set_value ){
 616       float h = input_menu_h.axis.value;
 617       if( fabsf(h) > 0.04f )
 618          *value += h * vg.time_frame_delta;
 619       *value = vg_clampf( *value, 0.0f, 1.0f );
 620    }
 621
 622    v3_lerp( co_min, co_max, *value, slider->transform.co );
 623 #endif
 624 }
 625
 626 VG_STATIC void menu_page_settings(void)
 627 {
 628    menu_run_directional();
 629
 630    int fov_select = game_menu.loc == menu_get_loc( "fov_slider" );
 631    menu_slider( &cl_fov, fov_select,
 632                   menu_mesh_fov_slider, menu_mark_fov_min->transform.co,
 633                   menu_mark_fov_max->transform.co );
 634
 635    if( fov_select )
 636       menu_fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov ) * 0.8f;
 637
 638    menu_slider( &vg_audio.external_global_volume,
 639                   (game_menu.loc == menu_get_loc( "vol_slider" )),
 640                   menu_mesh_vol_slider, menu_mark_vol_min->transform.co,
 641                   menu_mark_vol_max->transform.co );
 642
 643    menu_slider( &gpipeline.view_render_scale,
 644                   (game_menu.loc == menu_get_loc( "res_slider" )),
 645                   menu_mesh_res_slider, menu_mark_res_min->transform.co,
 646                   menu_mark_res_max->transform.co );
 647
 648    if( menu_page_should_backout() ){
 649       game_menu.page = k_menu_page_main;
 650       game_menu.loc = menu_get_loc( "text_settings" );
 651       return;
 652    }
 653 }
 654
 655 VG_STATIC void menu_update(void)
 656 {
 657 #if 0
 658    vg_input_update( 1, &input_menu_h );
 659    vg_input_update( 1, &input_menu_v );
 660    vg_input_update( 1, &input_menu_back );
 661    vg_input_update( 1, &input_menu_press );
 662    vg_input_update( 1, &input_menu_toggle );
 663    vg_input_update( 1, &input_menu_toggle_kbm );
 664 #endif
 665    return;
 666
 667
 668 #if 0
 669    int toggle_gp = vg_input_button_down( &input_menu_toggle ),
 670        toggle_kb = vg_input_button_down( &input_menu_toggle_kbm ),
 671        wait_for_a_sec = 0;
 672
 673    if( toggle_gp || toggle_kb ){
 674       if( cl_menu ){
 675          if( toggle_gp ){
 676             menu_close();
 677          }
 678       }
 679       else{
 680          if( toggle_kb )
 681             wait_for_a_sec = 1;
 682
 683          cl_menu = 1;
 684          game_menu.page = 1;
 685       }
 686    }
 687
 688    if( !wait_for_a_sec && cl_menu ){
 689       if( game_menu.page == k_menu_page_main )
 690          menu_page_main();
 691       else if( game_menu.page == k_menu_page_skater )
 692          menu_page_skater();
 693       else if( game_menu.page == k_menu_page_quit )
 694          menu_page_quit();
 695       else if( game_menu.page == k_menu_page_settings )
 696          menu_page_settings();
 697       else if( game_menu.page == k_menu_page_map )
 698          menu_page_map();
 699    }
 700
 701    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 702
 703    /* Base */
 704    {
 705       player_instance *player = &localplayer;
 706       struct player_avatar *av = player->playeravatar;
 707
 708       v3f center_rough;
 709       if( player->subsystem == k_player_subsystem_dead ){
 710          m4x3_mulv( av->sk.final_mtx[av->id_hip], (v3f){0.0f,0.9f,0.0f},
 711                     center_rough );
 712       }
 713       else{
 714          m4x3_mulv( av->sk.final_mtx[av->id_head], (v3f){0.0f,1.5f,0.0f},
 715                     center_rough );
 716       }
 717
 718       v3f cam_offset;
 719       float cam_rot;
 720       if( player->subsystem == k_player_subsystem_walk ){
 721          v3_muls( player->rb.to_world[2],  1.0f, cam_offset );
 722          cam_rot = 0.0f;
 723       }
 724       else{
 725          v3_muls( player->rb.to_world[0], -1.0f, cam_offset );
 726          cam_rot = -VG_PIf*0.5f;
 727       }
 728
 729
 730       v3f lookdir;
 731       m3x3_mulv( player->invbasis, cam_offset, lookdir );
 732       lookdir[1] = 0.0f;
 733       v3_normalize( lookdir );
 734
 735       m3x3_mulv( player->basis, lookdir, cam_offset );
 736       v3_muladds( center_rough, cam_offset, 2.0f, menu_camera_pos );
 737
 738       menu_camera_angles[1] = 0.0f;
 739       menu_camera_angles[0] = -atan2f( lookdir[0], lookdir[2] );
 740
 741       /* setup model matrix */
 742       v4f qmenu_mdl;
 743       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -menu_camera_angles[0] );
 744       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 745       v3_add( center_rough, (v3f){0.0f,-0.5f,0.0f}, menu_mdl_mtx[3] );
 746       m3x3_mul( player->basis, menu_mdl_mtx, menu_mdl_mtx );
 747
 748       menu_smooth_fov = vg_lerpf( menu_smooth_fov, menu_fov_target,
 749                                   vg.time_frame_delta * 8.2f );
 750    }
 751
 752    /* Extra */
 753    {
 754       v3f delta;
 755       v3_sub( btn->mesh->transform.co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 756       v3_normalize( delta );
 757
 758       float y = atan2f( delta[0], delta[2] ),
 759             p = -sinf(delta[1]),
 760             dt = vg.time_frame_delta;
 761
 762       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 763       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 764
 765       v2_muladds( menu_camera_angles, menu_extra_angles, 0.8f,
 766                   menu_camera_angles );
 767       menu_camera_angles[0] = fmodf( menu_camera_angles[0], VG_TAUf );
 768    }
 769
 770    float dt = vg.time_frame_delta * 6.0f;
 771    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 772
 773    if( menu_opacity <= 0.01f ){
 774       cl_menu = 0;
 775       cl_menu_go_away = 0;
 776    }
 777
 778    vg.time_rate = 1.0-(double)menu_opacity;
 779
 780    if( cl_menu ){
 781       menu_input_cooldown -= vg.time_frame_delta;
 782    }
 783 #endif
 784 }
 785
 786 /* https://iquilezles.org/articles/functions/ */
 787 float expSustainedImpulse( float x, float f, float k )
 788 {
 789     float s = fmaxf(x-f,0.0f);
 790     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 791 }
 792
 793 VG_STATIC void menu_render_bg(void)
 794 {
 795    glEnable(GL_BLEND);
 796    glDisable(GL_DEPTH_TEST);
 797    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 798    glBlendEquation(GL_FUNC_ADD);
 799
 800    shader_blitcolour_use();
 801    shader_blitcolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 802    render_fsquad();
 803 }
 804
 805 VG_STATIC void menu_render_fg( camera *cam )
 806 {
 807    glEnable( GL_DEPTH_TEST );
 808    glDisable( GL_BLEND );
 809
 810    m4x3f mtx;
 811
 812    shader_model_menu_use();
 813    shader_model_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 814    shader_model_menu_uTexMain( 1 );
 815
 816    glActiveTexture( GL_TEXTURE1 );
 817    glBindTexture( GL_TEXTURE_2D, tex_menu );
 818
 819    shader_model_menu_uPv( cam->mtx.pv );
 820    shader_model_menu_uPvmPrev( cam->mtx_prev.pv );
 821    mesh_bind( &menu_glmesh );
 822
 823    for( int i=0; i<vg_list_size(menu_buttons); i++ ){
 824       struct menu_button *btn = &menu_buttons[i];
 825       float talpha = i==game_menu.loc? 1.0f: 0.0f,
 826             tsize0 = btn->fn_visibility( btn->user )? 1.0f: 0.0f,
 827             tsize1 = i==game_menu.loc? 0.07f: 0.0f,
 828             tsize  = tsize0+tsize1;
 829
 830       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.time_frame_delta * 14.0f);
 831       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.time_frame_delta * 7.0f );
 832
 833       /* Colour */
 834       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 835           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 836           vcurrent;
 837
 838       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 839       shader_model_menu_uColour( vcurrent );
 840
 841       /* Create matrix */
 842       m4x3f mtx_size;
 843       mdl_transform_m4x3( &btn->mesh->transform, mtx );
 844       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 845       m4x3_identity( mtx_size );
 846       m3x3_scalef( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 847       m4x3_mul( mtx, mtx_size, mtx );
 848       shader_model_menu_uMdl( mtx );
 849
 850       for( int j=0; j<btn->mesh->submesh_count; j++ ){
 851          mdl_submesh *sm =
 852             mdl_arritm( &menu_model.submeshs, btn->mesh->submesh_start+j );
 853          mdl_draw_submesh( sm );
 854       }
 855    }
 856
 857    /*
 858    for( int i=0; i<menu_model->node_count; i++ )
 859    {
 860       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 861
 862       for( int j=0; j<pnode->submesh_count; j++ )
 863       {
 864          mdl_submesh *sm =
 865             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 866
 867          mdl_node_transform( pnode, mtx );
 868          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 869          shader_menu_uMdl( mtx );
 870
 871          mdl_draw_submesh( sm );
 872       }
 873    }
 874    */
 875 }
 876
 877 #endif /* MENU_H */