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    int   i;
  82    void *ptr_generic;
  83 };
  84
  85 VG_STATIC int menu_settings_if( struct menu_btn_userdata ud )
  86 {
  87    if( game_menu.page & k_menu_page_settings )
  88    {
  89       int *ptr = ud.ptr_generic;
  90       return *ptr;
  91    }
  92    else
  93       return 0;
  94 }
  95
  96 VG_STATIC int menu_vis( struct menu_btn_userdata ud )
  97 {
  98    if( ud.i & game_menu.page )
  99       return 1;
 100    else
 101       return 0;
 102 }
 103
 104 VG_STATIC int menu_controller( struct menu_btn_userdata ud )
 105 {
 106    if( (game_menu.page & (k_menu_page_main|k_menu_page_settings))
 107          && (ud.i == menu_display_controller) )
 108       return 1;
 109    return 0;
 110 }
 111
 112 VG_STATIC int menu_controller_inf( struct menu_btn_userdata ud )
 113 {
 114    if( (game_menu.page & k_menu_page_settings)
 115         && (ud.i == menu_display_controller) )
 116       return 1;
 117    return 0;
 118 }
 119
 120 struct menu_button
 121 {
 122    const char *name;
 123
 124    int (*fn_visibility)( struct menu_btn_userdata ud );
 125    struct menu_btn_userdata user;
 126
 127    void (*fn_press)( int event );
 128
 129    const char *ll,
 130               *lu,
 131               *lr,
 132               *ld;
 133
 134    mdl_node *pnode;
 135    float falpha, fsize;
 136 }
 137 VG_STATIC menu_buttons[] =
 138 {
 139    {
 140       "text_quit", menu_vis, {.i=k_menu_page_main|k_menu_page_quit},
 141       .fn_press = menu_btn_quit,
 142          .ld="text_reset", .lr="text_settings", .ll="text_map"
 143    },
 144    {
 145       "text_quitty", menu_vis, {.i=k_menu_page_quit}
 146    },
 147    {
 148       "text_yes", menu_vis, {.i=k_menu_page_quit},
 149          .fn_press = menu_btn_fuckoff
 150    },
 151 {
 152    "text_reset", menu_vis, {.i=k_menu_page_main},
 153    .fn_press = menu_btn_reset,
 154       .lu="text_quit", .ld="text_skater", .ll="text_map", .lr="text_settings"
 155 },
 156 {
 157    "text_skater", menu_vis, {.i=k_menu_page_main|k_menu_page_skater},
 158    .fn_press = menu_btn_skater,
 159       .lu="text_reset", .ll="text_map", .lr="text_settings"
 160 },
 161 {
 162    "text_map", menu_vis, {.i=k_menu_page_main},
 163    .fn_press = menu_btn_map,
 164       .lr="text_reset"
 165 },
 166 {
 167    "text_settings", menu_vis, {.i=k_menu_page_main|k_menu_page_settings},
 168    .fn_press = menu_btn_settings,
 169       .ll="text_reset"
 170 },
 171 {
 172    "skater_left", menu_vis, {k_menu_page_skater}
 173 },
 174 {
 175    "skater_right", menu_vis, {k_menu_page_skater}
 176 },
 177
 178 {
 179    "fov_slider",     menu_vis, {k_menu_page_settings},
 180    .ld="text_blur"
 181 },
 182 { "fov_info",        menu_vis, {k_menu_page_settings} },
 183
 184 {
 185    "vol_slider",     menu_vis, {k_menu_page_settings},
 186    .lu="text_blur"
 187 },
 188 { "vol_info",        menu_vis, {k_menu_page_settings} },
 189
 190 {
 191    "text_blur",      menu_vis, {k_menu_page_settings},
 192    .fn_press = menu_btn_blur,
 193    .lu="fov_slider", .ld="vol_slider"
 194 },
 195 {
 196    "text_blur_check", menu_settings_if, {.ptr_generic=&cl_blur}
 197 },
 198
 199 { "ctr_xbox",        menu_controller_inf, {k_menu_controller_type_xbox}},
 200 { "ctr_xbox_text",   menu_controller_inf, {k_menu_controller_type_xbox}},
 201 { "ctr_steam",       menu_controller_inf, {k_menu_controller_type_steam}},
 202 { "ctr_steam_text",  menu_controller_inf, {k_menu_controller_type_steam}},
 203 { "ctr_deck",        menu_controller_inf, {k_menu_controller_type_steam_deck}},
 204 { "ctr_deck_text",   menu_controller_inf, {k_menu_controller_type_steam_deck}},
 205 { "ctr_ps",          menu_controller_inf, {k_menu_controller_type_playstation}},
 206 { "ctr_ps_text",     menu_controller_inf, {k_menu_controller_type_playstation}},
 207 { "ctr_kbm",         menu_controller_inf, {k_menu_controller_type_keyboard}},
 208 { "ctr_kbm_text",    menu_controller_inf, {k_menu_controller_type_keyboard}},
 209 {
 210    "text_paused", menu_vis, {k_menu_page_main}
 211 },
 212 };
 213
 214 VG_STATIC int menu_get_loc( const char *loc )
 215 {
 216    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 217       if( !strcmp( menu_buttons[i].name, loc ) )
 218          return i;
 219
 220    assert(0);
 221    return 0;
 222 }
 223
 224 VG_STATIC void menu_btn_reset( int event )
 225 {
 226    reset_player(0,NULL);
 227    world_routes_clear();
 228
 229    cl_menu_go_away = 1;
 230    game_menu.page = 0;
 231 }
 232
 233 VG_STATIC void menu_btn_fuckoff( int event )
 234 {
 235    vg.window_should_close = 1;
 236 }
 237
 238 VG_STATIC void menu_btn_quit( int event )
 239 {
 240    game_menu.page = k_menu_page_quit;
 241    game_menu.loc = menu_get_loc( "text_yes" );
 242 }
 243
 244 VG_STATIC void menu_btn_settings( int event )
 245 {
 246    game_menu.page = k_menu_page_settings;
 247    game_menu.loc = menu_get_loc( "fov_slider" );
 248 }
 249
 250 VG_STATIC void menu_btn_skater( int event )
 251 {
 252    game_menu.page = k_menu_page_skater;
 253 }
 254
 255 VG_STATIC void menu_btn_blur( int event )
 256 {
 257    cl_blur ^= 0x1;
 258 }
 259
 260 VG_STATIC void menu_btn_map( int event )
 261 {
 262    game_menu.page = k_menu_page_map;
 263    game_menu.map_count = 0;
 264    game_menu.selected_map = 0;
 265
 266    tinydir_dir dir;
 267    tinydir_open( &dir, "maps" );
 268
 269    while( dir.has_next )
 270    {
 271       tinydir_file file;
 272       tinydir_readfile( &dir, &file );
 273
 274       if( file.is_reg )
 275       {
 276          struct menu_map_file *mf = &game_menu.maps_list[ game_menu.map_count ];
 277
 278          vg_strncpy( file.name, mf->name,
 279                                 vg_list_size(game_menu.maps_list[0].name)-1 );
 280
 281          game_menu.map_count ++;
 282          if( game_menu.map_count == vg_list_size(game_menu.maps_list) )
 283             break;
 284       }
 285
 286       tinydir_next( &dir );
 287    }
 288
 289    tinydir_close(&dir);
 290 }
 291
 292 VG_STATIC void menu_crap_ui(void)
 293 {
 294    if( cl_menu && (game_menu.page == k_menu_page_map) )
 295    {
 296       ui_rect box;
 297       box[0] = vg.window_x/2 - 150;
 298       box[1] = vg.window_y/2 - 300;
 299       box[2] = 300;
 300       box[3] = 600;
 301
 302       ui_fill_rect( box, 0xa0000000 );
 303
 304       if( game_menu.map_count == 0 )
 305       {
 306          ui_text( (ui_rect){ vg.window_x/2, box[1]+8, 0,0 }, "No maps found", 1,
 307                   k_text_align_center );
 308       }
 309       else
 310       {
 311          ui_rect_pad( box, 4 );
 312          box[3] = 16;
 313
 314          for( int i=0; i<game_menu.map_count; i++ )
 315          {
 316             struct menu_map_file *mf = &game_menu.maps_list[ i ];
 317
 318             ui_fill_rect( box, game_menu.selected_map == i? 0xa0ffffff:
 319                                                             0xa0808080 );
 320             ui_text( (ui_rect){ vg.window_x/2, box[1]+2, 0,0 },
 321                                  mf->name, 1, k_text_align_center );
 322             box[1] += 16+4;
 323          }
 324       }
 325    }
 326 }
 327
 328 VG_STATIC void steam_on_game_overlay( CallbackMsg_t *msg )
 329 {
 330    GameOverlayActivated_t *inf = (GameOverlayActivated_t *)msg->m_pubParam;
 331    vg_info( "Steam game overlay activated; pausing\n" );
 332
 333    if( inf->m_bActive )
 334    {
 335       cl_menu = 1;
 336       game_menu.page = k_menu_page_main;
 337       game_menu.loc = menu_get_loc( "text_skater" );
 338    }
 339 }
 340
 341 VG_STATIC void menu_init(void)
 342 {
 343    vg_create_unnamed_input( &input_menu_h, k_input_type_axis );
 344    vg_create_unnamed_input( &input_menu_v, k_input_type_axis );
 345    vg_create_unnamed_input( &input_menu_back, k_input_type_button );
 346    vg_create_unnamed_input( &input_menu_press, k_input_type_button );
 347    vg_create_unnamed_input( &input_menu_toggle, k_input_type_button );
 348    vg_create_unnamed_input( &input_menu_toggle_kbm, k_input_type_button );
 349
 350    vg_apply_bind_str( &input_menu_h, "", "gp-ls-h" );
 351    vg_apply_bind_str( &input_menu_h, "+", "right" );
 352    vg_apply_bind_str( &input_menu_h, "-", "left" );
 353    vg_apply_bind_str( &input_menu_v, "", "-gp-ls-v" );
 354    vg_apply_bind_str( &input_menu_v, "+", "up" );
 355    vg_apply_bind_str( &input_menu_v, "-", "down" );
 356    vg_apply_bind_str( &input_menu_press, "", "gp-a" );
 357    vg_apply_bind_str( &input_menu_press, "", "\2enter" );
 358    vg_apply_bind_str( &input_menu_back, "", "gp-b" );
 359    vg_apply_bind_str( &input_menu_back, "", "\2escape" );
 360    vg_apply_bind_str( &input_menu_toggle_kbm, "", "\2escape" );
 361    vg_apply_bind_str( &input_menu_toggle, "", "\2gp-menu" );
 362
 363    vg_linear_clear( vg_mem.scratch );
 364
 365    mdl_open( &menu_model, "models/rs_menu.mdl" );
 366    mdl_load_metadata( &menu_model, vg_mem.rtmemory );
 367    mdl_load_mesh_data( &menu_model, vg_mem.scratch );
 368    mdl_invert_uv_coordinates( &menu_model );
 369    mdl_close( &menu_model );
 370
 371    vg_acquire_thread_sync();
 372    {
 373       mdl_unpack_glmesh( &menu_model, &menu_glmesh );
 374       vg_tex2d_init( (vg_tex2d *[]){ &tex_menu }, 1 );
 375    }
 376    vg_release_thread_sync();
 377
 378    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 379    {
 380       struct menu_button *btn = &menu_buttons[i];
 381       btn->pnode = mdl_node_from_name( &menu_model, btn->name );
 382
 383       if( !btn->pnode )
 384       {
 385          vg_info( "info: %s\n", btn->name );
 386          vg_fatal_exit_loop( "Menu programming error" );
 387       }
 388    }
 389
 390    menu_pnode_fov_max = mdl_node_from_name( &menu_model, "fov_slider_max" );
 391    menu_pnode_fov_min = mdl_node_from_name( &menu_model, "fov_slider_min" );
 392    menu_pnode_fov_slider = mdl_node_from_name( &menu_model, "fov_slider" );
 393    menu_pnode_vol_max = mdl_node_from_name( &menu_model, "vol_slider_max" );
 394    menu_pnode_vol_min = mdl_node_from_name( &menu_model, "vol_slider_min" );
 395    menu_pnode_vol_slider = mdl_node_from_name( &menu_model, "vol_slider" );
 396
 397    shader_menu_register();
 398
 399 #ifdef SR_NETWORKED
 400    steam_register_callback( k_iGameOverlayActivated, steam_on_game_overlay );
 401 #endif
 402 }
 403
 404 VG_STATIC void menu_run_directional(void)
 405 {
 406    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 407
 408    if( vg_input_button_down( &input_menu_press ) )
 409    {
 410       if( btn->fn_press )
 411       {
 412          audio_lock();
 413          audio_play_oneshot( &audio_ui[0], 1.0f );
 414          audio_unlock();
 415
 416          btn->fn_press( 1 );
 417          return;
 418       }
 419    }
 420
 421    if( menu_input_cooldown <= 0.0f )
 422    {
 423       v2f dir = {  input_menu_h.axis.value,
 424                   -input_menu_v.axis.value };
 425
 426       if( v2_length2( dir ) > 0.8f*0.8f )
 427       {
 428          const char *link = NULL;
 429
 430          if( fabsf(dir[0]) > fabsf(dir[1]) )
 431          {
 432             if( dir[0] > 0.0f ) link = btn->lr;
 433             else link = btn->ll;
 434          }
 435          else
 436          {
 437             if( dir[1] > 0.0f ) link = btn->ld;
 438             else link = btn->lu;
 439          }
 440
 441          if( link )
 442          {
 443             game_menu.loc = menu_get_loc( link );
 444             menu_input_cooldown = 0.25f;
 445          }
 446       }
 447    }
 448 }
 449
 450 VG_STATIC int menu_page_should_backout(void)
 451 {
 452    return vg_input_button_down( &input_menu_back );
 453 }
 454
 455 VG_STATIC void menu_close(void)
 456 {
 457    cl_menu_go_away = 1;
 458    game_menu.page = 0;
 459    game_menu.loc = menu_get_loc( "text_skater" );
 460 }
 461
 462 VG_STATIC void menu_page_main(void)
 463 {
 464    if( menu_page_should_backout() )
 465    {
 466       menu_close();
 467       return;
 468    }
 469
 470    menu_fov_target = 112.0f;
 471    menu_run_directional();
 472 }
 473
 474 VG_STATIC void menu_page_map(void)
 475 {
 476    if( menu_page_should_backout() )
 477    {
 478       game_menu.page = k_menu_page_main;
 479       game_menu.loc = menu_get_loc( "text_map" );
 480    }
 481
 482    if( game_menu.map_count > 0 )
 483    {
 484       float v = input_menu_v.axis.value;
 485       if( (fabsf(v) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 486       {
 487          audio_lock();
 488          audio_play_oneshot( &audio_rewind[4], 1.0f );
 489          audio_unlock();
 490
 491          if( v > 0.0f )
 492          {
 493             game_menu.selected_map --;
 494
 495             if( game_menu.selected_map < 0 )
 496                game_menu.selected_map = game_menu.map_count-1;
 497
 498             menu_input_cooldown = 0.25f;
 499          }
 500          else
 501          {
 502             game_menu.selected_map ++;
 503
 504             if( game_menu.selected_map >= game_menu.map_count )
 505                game_menu.selected_map = 0;
 506
 507             menu_input_cooldown = 0.25f;
 508          }
 509       }
 510
 511       if( vg_input_button_down( &input_menu_press ) )
 512       {
 513          /* load map */
 514          char temp[256];
 515          strcpy( temp, "maps/" );
 516          strcat( temp, game_menu.maps_list[game_menu.selected_map].name );
 517
 518          world_change_world( 1, (const char *[]){ temp } );
 519          menu_close();
 520       }
 521    }
 522
 523    menu_fov_target = 80.0f;
 524 }
 525
 526 VG_STATIC void menu_page_quit(void)
 527 {
 528    if( menu_page_should_backout() )
 529    {
 530       game_menu.page = k_menu_page_main;
 531       game_menu.loc = menu_get_loc( "text_quit" );
 532    }
 533
 534    menu_fov_target = 90.0f;
 535    menu_run_directional();
 536 }
 537
 538 VG_STATIC void menu_page_skater(void)
 539 {
 540    float h = input_menu_h.axis.value;
 541    menu_fov_target = 97.0f;
 542
 543    if( menu_page_should_backout() )
 544    {
 545       game_menu.page = k_menu_page_main;
 546       game_menu.loc = menu_get_loc( "text_skater" );
 547       return;
 548    }
 549
 550    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 551    {
 552       audio_lock();
 553       audio_play_oneshot( &audio_rewind[4], 1.0f );
 554       audio_unlock();
 555
 556       if( h < 0.0f )
 557       {
 558          cl_playermdl_id --;
 559          if( cl_playermdl_id < 0 )
 560             cl_playermdl_id = 2;
 561
 562          int li = menu_get_loc( "skater_left" );
 563
 564          menu_buttons[li].fsize = 0.4f;
 565          menu_buttons[li].falpha = 1.0f;
 566
 567          menu_input_cooldown = 0.25f;
 568       }
 569       else
 570       {
 571          cl_playermdl_id ++;
 572          if( cl_playermdl_id > 2 )
 573             cl_playermdl_id = 0;
 574
 575          int ri = menu_get_loc( "skater_left" );
 576
 577          menu_buttons[ri].fsize = 0.4f;
 578          menu_buttons[ri].falpha = 1.0f;
 579
 580          menu_input_cooldown = 0.25f;
 581       }
 582    }
 583 }
 584
 585 VG_STATIC void menu_slider( float *value, int set_value,
 586                             mdl_node *slider, mdl_node *pmin, mdl_node *pmax )
 587 {
 588    if( set_value )
 589    {
 590       float h = input_menu_h.axis.value;
 591       if( fabsf(h) > 0.04f )
 592          *value += h * vg.frame_delta;
 593       *value = vg_clampf( *value, 0.0f, 1.0f );
 594    }
 595
 596    v3_lerp( pmin->co, pmax->co, *value, slider->co );
 597 }
 598
 599 VG_STATIC void menu_page_settings(void)
 600 {
 601    menu_run_directional();
 602
 603    int fov_select = game_menu.loc == menu_get_loc( "fov_slider" );
 604    menu_slider( &cl_fov, fov_select,
 605                   menu_pnode_fov_slider, menu_pnode_fov_min,
 606                   menu_pnode_fov_max );
 607
 608    if( fov_select )
 609       menu_fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov ) * 0.8f;
 610
 611    menu_slider( &vg_audio.volume_console,
 612                   (game_menu.loc == menu_get_loc( "vol_slider" )),
 613                   menu_pnode_vol_slider, menu_pnode_vol_min,
 614                   menu_pnode_vol_max );
 615
 616    if( menu_page_should_backout() )
 617    {
 618       game_menu.page = k_menu_page_main;
 619       game_menu.loc = menu_get_loc( "text_settings" );
 620       return;
 621    }
 622 }
 623
 624 VG_STATIC void menu_update(void)
 625 {
 626    vg_input_update( 1, &input_menu_h );
 627    vg_input_update( 1, &input_menu_v );
 628    vg_input_update( 1, &input_menu_back );
 629    vg_input_update( 1, &input_menu_press );
 630    vg_input_update( 1, &input_menu_toggle );
 631    vg_input_update( 1, &input_menu_toggle_kbm );
 632
 633    int toggle_gp = vg_input_button_down( &input_menu_toggle ),
 634        toggle_kb = vg_input_button_down( &input_menu_toggle_kbm ),
 635        wait_for_a_sec = 0;
 636
 637    if( toggle_gp || toggle_kb )
 638    {
 639       if( cl_menu )
 640       {
 641          if( toggle_gp )
 642          {
 643             menu_close();
 644          }
 645       }
 646       else
 647       {
 648          if( toggle_kb )
 649             wait_for_a_sec = 1;
 650
 651          cl_menu = 1;
 652          game_menu.page = 1;
 653       }
 654    }
 655
 656    if( !wait_for_a_sec && cl_menu )
 657    {
 658       if( game_menu.page == k_menu_page_main )
 659          menu_page_main();
 660       else if( game_menu.page == k_menu_page_skater )
 661          menu_page_skater();
 662       else if( game_menu.page == k_menu_page_quit )
 663          menu_page_quit();
 664       else if( game_menu.page == k_menu_page_settings )
 665          menu_page_settings();
 666       else if( game_menu.page == k_menu_page_map )
 667          menu_page_map();
 668    }
 669
 670    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 671
 672    v3f pos;
 673    v2f angles;
 674
 675    /* Base */
 676    {
 677       v3f lookdir;
 678       v3f *mtx = player.mdl.sk.final_mtx[player.mdl.id_head];
 679       m3x3_mulv( mtx, (v3f){-1.0f,0.0f,0.0f}, lookdir );
 680
 681       lookdir[1] = 0.0f;
 682       v3_normalize( lookdir );
 683
 684       v3f center_rough;
 685
 686       if( player.is_dead )
 687       {
 688          v3_copy(player.mdl.ragdoll[ player.mdl.id_hip-1 ].rb.co, center_rough);
 689       }
 690       else
 691       {
 692          v3_add( player.camera_pos, player.visual_transform[3], center_rough );
 693          v3_muls( center_rough, 0.5f, center_rough );
 694       }
 695
 696       v3_muladds( center_rough, lookdir, 1.5f, pos );
 697       v3_add( (v3f){ 0.0f,0.8f,0.0f}, pos, pos );
 698
 699       angles[1] = 0.0f;
 700       angles[0] = -atan2f( lookdir[0], lookdir[2] );
 701
 702       /* setup model matrix */
 703       v4f qmenu_mdl;
 704       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -angles[0] );
 705
 706       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 707       v3_copy( center_rough, menu_mdl_mtx[3] );
 708    }
 709
 710    /* Extra */
 711    {
 712       v3f delta;
 713       v3_sub( btn->pnode->co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 714       v3_normalize( delta );
 715
 716       float y = atan2f( delta[0], delta[2] ),
 717             p = -sinf(delta[1]),
 718             dt = vg.frame_delta;
 719
 720       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 721       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 722
 723       v2_muladds( angles, menu_extra_angles, 0.8f, angles );
 724       angles[0] = fmodf( angles[0], VG_TAUf );
 725    }
 726
 727    /* Update camera */
 728 #if 0
 729    {
 730       main_camera.angles[0] =
 731          vg_alerpf( main_camera.angles[0], angles[0], menu_opacity );
 732       main_camera.angles[1] =
 733          vg_lerpf ( main_camera.angles[1], angles[1], menu_opacity );
 734       v3_lerp( main_camera.pos, pos, menu_opacity, main_camera.pos );
 735
 736       camera_update_transform( &main_camera );
 737    }
 738 #endif
 739
 740    float dt = vg.frame_delta * 6.0f;
 741    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 742
 743    if( menu_opacity <= 0.01f )
 744    {
 745       cl_menu = 0;
 746       cl_menu_go_away = 0;
 747    }
 748
 749    vg.time_rate = 1.0-(double)menu_opacity;
 750
 751    if( cl_menu )
 752    {
 753       menu_input_cooldown -= vg.frame_delta;
 754    }
 755 }
 756
 757 /* https://iquilezles.org/articles/functions/ */
 758 float expSustainedImpulse( float x, float f, float k )
 759 {
 760     float s = fmaxf(x-f,0.0f);
 761     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 762 }
 763
 764 VG_STATIC void menu_render( camera *cam )
 765 {
 766    glEnable(GL_BLEND);
 767    glDisable(GL_DEPTH_TEST);
 768    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 769    glBlendEquation(GL_FUNC_ADD);
 770
 771    shader_blitcolour_use();
 772    shader_blitcolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 773    render_fsquad();
 774
 775    glEnable( GL_DEPTH_TEST );
 776    glDisable( GL_BLEND );
 777
 778    m4x3f mtx;
 779
 780    shader_menu_use();
 781    shader_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 782    shader_menu_uTexMain( 1 );
 783    vg_tex2d_bind( &tex_menu, 1 );
 784
 785    shader_menu_uPv( cam->mtx.pv );
 786    shader_menu_uPvmPrev( cam->mtx_prev.pv );
 787    mesh_bind( &menu_glmesh );
 788
 789    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 790    {
 791       struct menu_button *btn = &menu_buttons[i];
 792       float talpha = i==game_menu.loc? 1.0f: 0.0f,
 793             tsize0 = btn->fn_visibility( btn->user )? 1.0f: 0.0f,
 794             tsize1 = i==game_menu.loc? 0.07f: 0.0f,
 795             tsize  = tsize0+tsize1;
 796
 797       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.frame_delta * 14.0f );
 798       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.frame_delta * 3.0f  );
 799
 800       /* Colour */
 801       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 802           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 803           vcurrent;
 804
 805       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 806       shader_menu_uColour( vcurrent );
 807
 808       /* Create matrix */
 809       m4x3f mtx_size;
 810       mdl_node_transform( btn->pnode, mtx );
 811       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 812       m4x3_identity( mtx_size );
 813       m4x3_scale( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 814       m4x3_mul( mtx, mtx_size, mtx );
 815       shader_menu_uMdl( mtx );
 816
 817       for( int j=0; j<btn->pnode->submesh_count; j++ )
 818       {
 819          mdl_submesh *sm =
 820             &menu_model.submesh_buffer[ btn->pnode->submesh_start+j ];
 821          mdl_draw_submesh( sm );
 822       }
 823    }
 824
 825    /*
 826    for( int i=0; i<menu_model->node_count; i++ )
 827    {
 828       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 829
 830       for( int j=0; j<pnode->submesh_count; j++ )
 831       {
 832          mdl_submesh *sm =
 833             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 834
 835          mdl_node_transform( pnode, mtx );
 836          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 837          shader_menu_uMdl( mtx );
 838
 839          mdl_draw_submesh( sm );
 840       }
 841    }
 842    */
 843 }
 844
 845 #endif /* MENU_H */