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
   9 #include "shaders/menu.h"
  10 #include "vg_steam_friends.h"
  11 #include "submodules/tinydir/tinydir.h"
  12
  13 VG_STATIC mdl_context menu_model;
  14 VG_STATIC glmesh      menu_glmesh;
  15 VG_STATIC m4x3f       menu_mdl_mtx;
  16 VG_STATIC float       menu_opacity = 0.0f;
  17 VG_STATIC float       menu_input_cooldown = 0.0f;
  18 VG_STATIC float       menu_fov_target = 97.0f;
  19 VG_STATIC v2f         menu_extra_angles;
  20
  21 VG_STATIC int         cl_menu         = 0,
  22                       cl_menu_go_away = 0;
  23
  24 VG_STATIC int         menu_enabled(void){ return cl_menu; }
  25
  26 VG_STATIC const char *playermodels[] = { "ch_new", "ch_jordan", "ch_outlaw" };
  27
  28 vg_tex2d tex_menu = { .path = "textures/menu.qoi",.flags = VG_TEXTURE_NEAREST };
  29
  30 VG_STATIC struct input_binding input_menu_h,
  31                                input_menu_v,
  32                                input_menu_press,
  33                                input_menu_back,
  34                                input_menu_toggle,
  35                                input_menu_toggle_kbm;
  36
  37 VG_STATIC void menu_btn_quit( int event );
  38 VG_STATIC void menu_btn_skater( int event );
  39 VG_STATIC void menu_btn_blur( int event );
  40 VG_STATIC void menu_btn_fuckoff( int event );
  41 VG_STATIC void menu_btn_reset( int event );
  42 VG_STATIC void menu_btn_map( int event );
  43 VG_STATIC void menu_btn_settings( int event );
  44
  45 VG_STATIC mdl_node *menu_pnode_fov_slider,
  46                    *menu_pnode_fov_min,
  47                    *menu_pnode_fov_max,
  48                    *menu_pnode_vol_slider,
  49                    *menu_pnode_vol_min,
  50                    *menu_pnode_vol_max;
  51
  52 struct
  53 {
  54    /* state */
  55    int loc;
  56    u32 page;
  57
  58    /* map browser */
  59    struct menu_map_file
  60    {
  61       char name[ 64 ];
  62    }
  63    maps_list[ 16 ];
  64
  65    int selected_map,
  66        map_count;
  67 }
  68 VG_STATIC game_menu;
  69
  70 enum menu_page
  71 {
  72    k_menu_page_main     = 0x1,
  73    k_menu_page_skater   = 0x2,
  74    k_menu_page_quit     = 0x4,
  75    k_menu_page_settings = 0x8,
  76    k_menu_page_map      = 0x10
  77 };
  78
  79 struct menu_btn_userdata
  80 {
  81    union
  82    {
  83       int   i;
  84       void *ptr_generic;
  85    };
  86 };
  87
  88 VG_STATIC int menu_settings_if( struct menu_btn_userdata ud )
  89 {
  90    if( game_menu.page & k_menu_page_settings )
  91    {
  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_node *pnode;
 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    "text_map", menu_vis, {.i=k_menu_page_main},
 166    .fn_press = menu_btn_map,
 167       .lr="text_reset"
 168 },
 169 {
 170    "text_settings", menu_vis, {.i=k_menu_page_main|k_menu_page_settings},
 171    .fn_press = menu_btn_settings,
 172       .ll="text_reset"
 173 },
 174 {
 175    "skater_left", menu_vis, {k_menu_page_skater}
 176 },
 177 {
 178    "skater_right", menu_vis, {k_menu_page_skater}
 179 },
 180
 181 {
 182    "fov_slider",     menu_vis, {k_menu_page_settings},
 183    .ld="text_blur"
 184 },
 185 { "fov_info",        menu_vis, {k_menu_page_settings} },
 186
 187 {
 188    "vol_slider",     menu_vis, {k_menu_page_settings},
 189    .lu="text_blur"
 190 },
 191 { "vol_info",        menu_vis, {k_menu_page_settings} },
 192
 193 {
 194    "text_blur",      menu_vis, {k_menu_page_settings},
 195    .fn_press = menu_btn_blur,
 196    .lu="fov_slider", .ld="vol_slider"
 197 },
 198 {
 199    "text_blur_check", menu_settings_if, {.ptr_generic=&cl_blur}
 200 },
 201
 202 { "ctr_xbox",        menu_controller_inf, {k_menu_controller_type_xbox}},
 203 { "ctr_xbox_text",   menu_controller_inf, {k_menu_controller_type_xbox}},
 204 { "ctr_steam",       menu_controller_inf, {k_menu_controller_type_steam}},
 205 { "ctr_steam_text",  menu_controller_inf, {k_menu_controller_type_steam}},
 206 { "ctr_deck",        menu_controller_inf, {k_menu_controller_type_steam_deck}},
 207 { "ctr_deck_text",   menu_controller_inf, {k_menu_controller_type_steam_deck}},
 208 { "ctr_ps",          menu_controller_inf, {k_menu_controller_type_playstation}},
 209 { "ctr_ps_text",     menu_controller_inf, {k_menu_controller_type_playstation}},
 210 { "ctr_kbm",         menu_controller_inf, {k_menu_controller_type_keyboard}},
 211 { "ctr_kbm_text",    menu_controller_inf, {k_menu_controller_type_keyboard}},
 212 {
 213    "text_paused", menu_vis, {k_menu_page_main}
 214 },
 215 };
 216
 217 VG_STATIC int menu_get_loc( const char *loc )
 218 {
 219    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 220       if( !strcmp( menu_buttons[i].name, loc ) )
 221          return i;
 222
 223    assert(0);
 224    return 0;
 225 }
 226
 227 VG_STATIC void menu_btn_reset( int event )
 228 {
 229    reset_player(0,NULL);
 230    world_routes_clear();
 231
 232    cl_menu_go_away = 1;
 233    game_menu.page = 0;
 234 }
 235
 236 VG_STATIC void menu_btn_fuckoff( int event )
 237 {
 238    vg.window_should_close = 1;
 239 }
 240
 241 VG_STATIC void menu_btn_quit( int event )
 242 {
 243    game_menu.page = k_menu_page_quit;
 244    game_menu.loc = menu_get_loc( "text_yes" );
 245 }
 246
 247 VG_STATIC void menu_btn_settings( int event )
 248 {
 249    game_menu.page = k_menu_page_settings;
 250    game_menu.loc = menu_get_loc( "fov_slider" );
 251 }
 252
 253 VG_STATIC void menu_btn_skater( int event )
 254 {
 255    game_menu.page = k_menu_page_skater;
 256 }
 257
 258 VG_STATIC void menu_btn_blur( int event )
 259 {
 260    cl_blur ^= 0x1;
 261 }
 262
 263 VG_STATIC void menu_btn_map( int event )
 264 {
 265    game_menu.page = k_menu_page_map;
 266    game_menu.map_count = 0;
 267    game_menu.selected_map = 0;
 268
 269    tinydir_dir dir;
 270    tinydir_open( &dir, "maps" );
 271
 272    while( dir.has_next )
 273    {
 274       tinydir_file file;
 275       tinydir_readfile( &dir, &file );
 276
 277       if( file.is_reg )
 278       {
 279          struct menu_map_file *mf = &game_menu.maps_list[ game_menu.map_count ];
 280
 281          vg_strncpy( file.name, mf->name,
 282                                 vg_list_size(game_menu.maps_list[0].name)-1 );
 283
 284          game_menu.map_count ++;
 285          if( game_menu.map_count == vg_list_size(game_menu.maps_list) )
 286             break;
 287       }
 288
 289       tinydir_next( &dir );
 290    }
 291
 292    tinydir_close(&dir);
 293 }
 294
 295 VG_STATIC void menu_crap_ui(void)
 296 {
 297    if( cl_menu && (game_menu.page == k_menu_page_map) )
 298    {
 299       ui_rect box;
 300       box[0] = vg.window_x/2 - 150;
 301       box[1] = vg.window_y/2 - 300;
 302       box[2] = 300;
 303       box[3] = 600;
 304
 305       ui_fill_rect( box, 0xa0000000 );
 306
 307       if( game_menu.map_count == 0 )
 308       {
 309          ui_text( (ui_rect){ vg.window_x/2, box[1]+8, 0,0 }, "No maps found", 1,
 310                   k_text_align_center );
 311       }
 312       else
 313       {
 314          ui_rect_pad( box, 4 );
 315          box[3] = 16;
 316
 317          for( int i=0; i<game_menu.map_count; i++ )
 318          {
 319             struct menu_map_file *mf = &game_menu.maps_list[ i ];
 320
 321             ui_fill_rect( box, game_menu.selected_map == i? 0xa0ffffff:
 322                                                             0xa0808080 );
 323             ui_text( (ui_rect){ vg.window_x/2, box[1]+2, 0,0 },
 324                                  mf->name, 1, k_text_align_center );
 325             box[1] += 16+4;
 326          }
 327       }
 328    }
 329 }
 330
 331 VG_STATIC void steam_on_game_overlay( CallbackMsg_t *msg )
 332 {
 333    GameOverlayActivated_t *inf = (GameOverlayActivated_t *)msg->m_pubParam;
 334    vg_info( "Steam game overlay activated; pausing\n" );
 335
 336    if( inf->m_bActive )
 337    {
 338       cl_menu = 1;
 339       game_menu.page = k_menu_page_main;
 340       game_menu.loc = menu_get_loc( "text_skater" );
 341    }
 342 }
 343
 344 VG_STATIC void menu_init(void)
 345 {
 346    vg_create_unnamed_input( &input_menu_h, k_input_type_axis );
 347    vg_create_unnamed_input( &input_menu_v, k_input_type_axis );
 348    vg_create_unnamed_input( &input_menu_back, k_input_type_button );
 349    vg_create_unnamed_input( &input_menu_press, k_input_type_button );
 350    vg_create_unnamed_input( &input_menu_toggle, k_input_type_button );
 351    vg_create_unnamed_input( &input_menu_toggle_kbm, k_input_type_button );
 352
 353    vg_apply_bind_str( &input_menu_h, "", "gp-ls-h" );
 354    vg_apply_bind_str( &input_menu_h, "+", "right" );
 355    vg_apply_bind_str( &input_menu_h, "-", "left" );
 356    vg_apply_bind_str( &input_menu_v, "", "-gp-ls-v" );
 357    vg_apply_bind_str( &input_menu_v, "+", "up" );
 358    vg_apply_bind_str( &input_menu_v, "-", "down" );
 359    vg_apply_bind_str( &input_menu_press, "", "gp-a" );
 360    vg_apply_bind_str( &input_menu_press, "", "\2enter" );
 361    vg_apply_bind_str( &input_menu_back, "", "gp-b" );
 362    vg_apply_bind_str( &input_menu_back, "", "\2escape" );
 363    vg_apply_bind_str( &input_menu_toggle_kbm, "", "\2escape" );
 364    vg_apply_bind_str( &input_menu_toggle, "", "\2gp-menu" );
 365
 366    vg_linear_clear( vg_mem.scratch );
 367
 368    mdl_open( &menu_model, "models/rs_menu.mdl" );
 369    mdl_load_metadata( &menu_model, vg_mem.rtmemory );
 370    mdl_load_mesh_data( &menu_model, vg_mem.scratch );
 371    mdl_invert_uv_coordinates( &menu_model );
 372    mdl_close( &menu_model );
 373
 374    vg_acquire_thread_sync();
 375    {
 376       mdl_unpack_glmesh( &menu_model, &menu_glmesh );
 377       vg_tex2d_init( (vg_tex2d *[]){ &tex_menu }, 1 );
 378    }
 379    vg_release_thread_sync();
 380
 381    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 382    {
 383       struct menu_button *btn = &menu_buttons[i];
 384       btn->pnode = mdl_node_from_name( &menu_model, btn->name );
 385
 386       if( !btn->pnode )
 387       {
 388          vg_info( "info: %s\n", btn->name );
 389          vg_fatal_exit_loop( "Menu programming error" );
 390       }
 391    }
 392
 393    menu_pnode_fov_max = mdl_node_from_name( &menu_model, "fov_slider_max" );
 394    menu_pnode_fov_min = mdl_node_from_name( &menu_model, "fov_slider_min" );
 395    menu_pnode_fov_slider = mdl_node_from_name( &menu_model, "fov_slider" );
 396    menu_pnode_vol_max = mdl_node_from_name( &menu_model, "vol_slider_max" );
 397    menu_pnode_vol_min = mdl_node_from_name( &menu_model, "vol_slider_min" );
 398    menu_pnode_vol_slider = mdl_node_from_name( &menu_model, "vol_slider" );
 399
 400    shader_menu_register();
 401
 402 #ifdef SR_NETWORKED
 403    steam_register_callback( k_iGameOverlayActivated, steam_on_game_overlay );
 404 #endif
 405 }
 406
 407 VG_STATIC void menu_run_directional(void)
 408 {
 409    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 410
 411    if( vg_input_button_down( &input_menu_press ) )
 412    {
 413       if( btn->fn_press )
 414       {
 415          audio_lock();
 416          audio_play_oneshot( &audio_ui[0], 1.0f );
 417          audio_unlock();
 418
 419          btn->fn_press( 1 );
 420          return;
 421       }
 422    }
 423
 424    if( menu_input_cooldown <= 0.0f )
 425    {
 426       v2f dir = {  input_menu_h.axis.value,
 427                   -input_menu_v.axis.value };
 428
 429       if( v2_length2( dir ) > 0.8f*0.8f )
 430       {
 431          const char *link = NULL;
 432
 433          if( fabsf(dir[0]) > fabsf(dir[1]) )
 434          {
 435             if( dir[0] > 0.0f ) link = btn->lr;
 436             else link = btn->ll;
 437          }
 438          else
 439          {
 440             if( dir[1] > 0.0f ) link = btn->ld;
 441             else link = btn->lu;
 442          }
 443
 444          if( link )
 445          {
 446             game_menu.loc = menu_get_loc( link );
 447             menu_input_cooldown = 0.25f;
 448          }
 449       }
 450    }
 451 }
 452
 453 VG_STATIC int menu_page_should_backout(void)
 454 {
 455    return vg_input_button_down( &input_menu_back );
 456 }
 457
 458 VG_STATIC void menu_close(void)
 459 {
 460    cl_menu_go_away = 1;
 461    game_menu.page = 0;
 462    game_menu.loc = menu_get_loc( "text_skater" );
 463 }
 464
 465 VG_STATIC void menu_page_main(void)
 466 {
 467    if( menu_page_should_backout() )
 468    {
 469       menu_close();
 470       return;
 471    }
 472
 473    menu_fov_target = 112.0f;
 474    menu_run_directional();
 475 }
 476
 477 VG_STATIC void menu_page_map(void)
 478 {
 479    if( menu_page_should_backout() )
 480    {
 481       game_menu.page = k_menu_page_main;
 482       game_menu.loc = menu_get_loc( "text_map" );
 483    }
 484
 485    if( game_menu.map_count > 0 )
 486    {
 487       float v = input_menu_v.axis.value;
 488       if( (fabsf(v) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 489       {
 490          audio_lock();
 491          audio_play_oneshot( &audio_rewind[4], 1.0f );
 492          audio_unlock();
 493
 494          if( v < 0.0f )
 495          {
 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          {
 505             game_menu.selected_map ++;
 506
 507             if( game_menu.selected_map >= game_menu.map_count )
 508                game_menu.selected_map = 0;
 509
 510             menu_input_cooldown = 0.25f;
 511          }
 512       }
 513
 514       if( vg_input_button_down( &input_menu_press ) )
 515       {
 516          /* load map */
 517          char temp[256];
 518          strcpy( temp, "maps/" );
 519          strcat( temp, game_menu.maps_list[game_menu.selected_map].name );
 520
 521          world_change_world( 1, (const char *[]){ temp } );
 522          menu_close();
 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    {
 533       game_menu.page = k_menu_page_main;
 534       game_menu.loc = menu_get_loc( "text_quit" );
 535    }
 536
 537    menu_fov_target = 90.0f;
 538    menu_run_directional();
 539 }
 540
 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    {
 548       game_menu.page = k_menu_page_main;
 549       game_menu.loc = menu_get_loc( "text_skater" );
 550       return;
 551    }
 552
 553    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 554    {
 555       audio_lock();
 556       audio_play_oneshot( &audio_rewind[4], 1.0f );
 557       audio_unlock();
 558
 559       if( h < 0.0f )
 560       {
 561          cl_playermdl_id --;
 562          if( cl_playermdl_id < 0 )
 563             cl_playermdl_id = 2;
 564
 565          int li = menu_get_loc( "skater_left" );
 566
 567          menu_buttons[li].fsize = 0.4f;
 568          menu_buttons[li].falpha = 1.0f;
 569
 570          menu_input_cooldown = 0.25f;
 571       }
 572       else
 573       {
 574          cl_playermdl_id ++;
 575          if( cl_playermdl_id > 2 )
 576             cl_playermdl_id = 0;
 577
 578          int ri = menu_get_loc( "skater_left" );
 579
 580          menu_buttons[ri].fsize = 0.4f;
 581          menu_buttons[ri].falpha = 1.0f;
 582
 583          menu_input_cooldown = 0.25f;
 584       }
 585    }
 586 }
 587
 588 VG_STATIC void menu_slider( float *value, float min, float max,
 589                             mdl_node *slider, mdl_node *pmin, mdl_node *pmax )
 590 {
 591    float h = input_menu_h.axis.value;
 592
 593    if( fabsf(h) > 0.04f )
 594       *value += h * vg.frame_delta;
 595    *value = vg_clampf( *value, min, max );
 596
 597    v3_lerp( pmin->co, pmax->co, *value, slider->co );
 598 }
 599
 600 VG_STATIC void menu_page_settings(void)
 601 {
 602    menu_run_directional();
 603
 604    if( game_menu.loc == menu_get_loc( "fov_slider" ) )
 605    {
 606       menu_slider( &cl_fov, 0.0f, 1.0f,
 607                      menu_pnode_fov_slider, menu_pnode_fov_min,
 608                      menu_pnode_fov_max );
 609
 610       menu_fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov ) * 0.8f;
 611    }
 612    else if( game_menu.loc == menu_get_loc( "vol_slider" ) )
 613    {
 614       menu_slider( &cl_volume, 0.0f, 1.0f,
 615                      menu_pnode_vol_slider, menu_pnode_vol_min,
 616                      menu_pnode_vol_max );
 617    }
 618
 619    if( menu_page_should_backout() )
 620    {
 621       game_menu.page = k_menu_page_main;
 622       game_menu.loc = menu_get_loc( "text_settings" );
 623       return;
 624    }
 625 }
 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    {
 642       if( cl_menu )
 643       {
 644          if( toggle_gp )
 645          {
 646             menu_close();
 647          }
 648       }
 649       else
 650       {
 651          if( toggle_kb )
 652             wait_for_a_sec = 1;
 653
 654          cl_menu = 1;
 655          game_menu.page = 1;
 656       }
 657    }
 658
 659    if( !wait_for_a_sec && cl_menu )
 660    {
 661       if( game_menu.page == k_menu_page_main )
 662          menu_page_main();
 663       else if( game_menu.page == k_menu_page_skater )
 664          menu_page_skater();
 665       else if( game_menu.page == k_menu_page_quit )
 666          menu_page_quit();
 667       else if( game_menu.page == k_menu_page_settings )
 668          menu_page_settings();
 669       else if( game_menu.page == k_menu_page_map )
 670          menu_page_map();
 671    }
 672
 673    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 674
 675    v3f pos;
 676    v2f angles;
 677
 678    /* Base */
 679    {
 680       v3f lookdir;
 681       v3f *mtx = player.mdl.sk.final_mtx[player.mdl.id_head];
 682       m3x3_mulv( mtx, (v3f){-1.0f,0.0f,0.0f}, lookdir );
 683
 684       lookdir[1] = 0.0f;
 685       v3_normalize( lookdir );
 686
 687       v3f center_rough;
 688
 689       if( player.is_dead )
 690       {
 691          v3_copy(player.mdl.ragdoll[ player.mdl.id_hip-1 ].rb.co, center_rough);
 692       }
 693       else
 694       {
 695          v3_add( player.camera_pos, player.visual_transform[3], center_rough );
 696          v3_muls( center_rough, 0.5f, center_rough );
 697       }
 698
 699       v3_muladds( center_rough, lookdir, 1.5f, pos );
 700       v3_add( (v3f){ 0.0f,0.8f,0.0f}, pos, pos );
 701
 702       angles[1] = 0.0f;
 703       angles[0] = -atan2f( lookdir[0], lookdir[2] );
 704
 705       /* setup model matrix */
 706       v4f qmenu_mdl;
 707       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -angles[0] );
 708
 709       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 710       v3_copy( center_rough, menu_mdl_mtx[3] );
 711    }
 712
 713    /* Extra */
 714    {
 715       v3f delta;
 716       v3_sub( btn->pnode->co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 717       v3_normalize( delta );
 718
 719       float y = atan2f( delta[0], delta[2] ),
 720             p = -sinf(delta[1]),
 721             dt = vg.frame_delta;
 722
 723       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 724       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 725
 726       v2_muladds( angles, menu_extra_angles, 0.8f, angles );
 727       angles[0] = fmodf( angles[0], VG_TAUf );
 728    }
 729
 730    /* Update camera */
 731    {
 732       main_camera.angles[0] =
 733          vg_alerpf( main_camera.angles[0], angles[0], menu_opacity );
 734       main_camera.angles[1] =
 735          vg_lerpf ( main_camera.angles[1], angles[1], menu_opacity );
 736       v3_lerp( main_camera.pos, pos, menu_opacity, main_camera.pos );
 737
 738       camera_update_transform( &main_camera );
 739    }
 740
 741    float dt = vg.frame_delta * 6.0f;
 742    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 743
 744    if( menu_opacity <= 0.01f )
 745    {
 746       cl_menu = 0;
 747       cl_menu_go_away = 0;
 748    }
 749
 750    vg.time_rate = 1.0-(double)menu_opacity;
 751
 752    if( cl_menu )
 753    {
 754       menu_input_cooldown -= vg.frame_delta;
 755    }
 756 }
 757
 758 /* https://iquilezles.org/articles/functions/ */
 759 float expSustainedImpulse( float x, float f, float k )
 760 {
 761     float s = fmaxf(x-f,0.0f);
 762     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 763 }
 764
 765 VG_STATIC void menu_render( camera *cam )
 766 {
 767    glEnable(GL_BLEND);
 768    glDisable(GL_DEPTH_TEST);
 769    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 770    glBlendEquation(GL_FUNC_ADD);
 771
 772    shader_fscolour_use();
 773    shader_fscolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 774    render_fsquad();
 775
 776    glEnable( GL_DEPTH_TEST );
 777    glDisable( GL_BLEND );
 778
 779    m4x3f mtx;
 780
 781    shader_menu_use();
 782    shader_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 783    shader_menu_uTexMain( 1 );
 784    vg_tex2d_bind( &tex_menu, 1 );
 785
 786    shader_menu_uPv( cam->mtx.pv );
 787    shader_menu_uPvmPrev( cam->mtx_prev.pv );
 788    mesh_bind( &menu_glmesh );
 789
 790    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 791    {
 792       struct menu_button *btn = &menu_buttons[i];
 793       float talpha = i==game_menu.loc? 1.0f: 0.0f,
 794             tsize0 = btn->fn_visibility( btn->user )? 1.0f: 0.0f,
 795             tsize1 = i==game_menu.loc? 0.07f: 0.0f,
 796             tsize  = tsize0+tsize1;
 797
 798       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.frame_delta * 14.0f );
 799       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.frame_delta * 3.0f  );
 800
 801       /* Colour */
 802       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 803           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 804           vcurrent;
 805
 806       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 807       shader_menu_uColour( vcurrent );
 808
 809       /* Create matrix */
 810       m4x3f mtx_size;
 811       mdl_node_transform( btn->pnode, mtx );
 812       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 813       m4x3_identity( mtx_size );
 814       m4x3_scale( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 815       m4x3_mul( mtx, mtx_size, mtx );
 816       shader_menu_uMdl( mtx );
 817
 818       for( int j=0; j<btn->pnode->submesh_count; j++ )
 819       {
 820          mdl_submesh *sm =
 821             &menu_model.submesh_buffer[ btn->pnode->submesh_start+j ];
 822          mdl_draw_submesh( sm );
 823       }
 824    }
 825
 826    /*
 827    for( int i=0; i<menu_model->node_count; i++ )
 828    {
 829       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 830
 831       for( int j=0; j<pnode->submesh_count; j++ )
 832       {
 833          mdl_submesh *sm =
 834             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 835
 836          mdl_node_transform( pnode, mtx );
 837          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 838          shader_menu_uMdl( mtx );
 839
 840          mdl_draw_submesh( sm );
 841       }
 842    }
 843    */
 844 }
 845
 846 #endif /* MENU_H */