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_fuckoff( int event );
  40 VG_STATIC void menu_btn_reset( int event );
  41 VG_STATIC void menu_btn_map( int event );
  42 VG_STATIC void menu_btn_settings( int event );
  43
  44 VG_STATIC mdl_node *menu_pnode_fov_slider,
  45                    *menu_pnode_fov_min,
  46                    *menu_pnode_fov_max;
  47
  48 struct
  49 {
  50    /* state */
  51    int loc;
  52    u32 page;
  53
  54    /* map browser */
  55    struct menu_map_file
  56    {
  57       char name[ 64 ];
  58    }
  59    maps_list[ 16 ];
  60
  61    int selected_map,
  62        map_count;
  63 }
  64 VG_STATIC game_menu;
  65
  66 enum menu_page
  67 {
  68    k_menu_page_main     = 0x1,
  69    k_menu_page_skater   = 0x2,
  70    k_menu_page_quit     = 0x4,
  71    k_menu_page_settings = 0x8,
  72    k_menu_page_map      = 0x10
  73 };
  74
  75 VG_STATIC int menu_vis( int group_mask )
  76 {
  77    if( group_mask & game_menu.page )
  78       return 1;
  79    else
  80       return 0;
  81 }
  82
  83 VG_STATIC int menu_controller( int ctr )
  84 {
  85    if( (game_menu.page & (k_menu_page_main|k_menu_page_settings))
  86          && (ctr == menu_display_controller) )
  87       return 1;
  88    return 0;
  89 }
  90
  91 VG_STATIC int menu_controller_inf( int ctr )
  92 {
  93    if( (game_menu.page & k_menu_page_settings) && (ctr == menu_display_controller) )
  94       return 1;
  95    return 0;
  96 }
  97
  98 struct menu_button
  99 {
 100    const char *name;
 101
 102    int (*fn_visibility)( int user );
 103    int   user;
 104
 105    void (*fn_press)( int event );
 106
 107    const char *ll,
 108               *lu,
 109               *lr,
 110               *ld;
 111
 112    mdl_node *pnode;
 113    float falpha, fsize;
 114 }
 115 VG_STATIC menu_buttons[] =
 116 {
 117 {
 118    "text_quit", menu_vis, k_menu_page_main|k_menu_page_quit,
 119    .fn_press = menu_btn_quit,
 120       .ld="text_reset", .lr="text_settings", .ll="text_map"
 121 },
 122    {
 123       "text_quitty", menu_vis, k_menu_page_quit
 124    },
 125    {
 126       "text_yes", menu_vis, k_menu_page_quit,
 127          .fn_press = menu_btn_fuckoff
 128    },
 129 {
 130    "text_reset", menu_vis, k_menu_page_main,
 131    .fn_press = menu_btn_reset,
 132       .lu="text_quit", .ld="text_skater", .ll="text_map", .lr="text_settings"
 133 },
 134 {
 135    "text_skater", menu_vis, k_menu_page_main|k_menu_page_skater,
 136    .fn_press = menu_btn_skater,
 137       .lu="text_reset", .ll="text_map", .lr="text_settings"
 138 },
 139 {
 140    "text_map", menu_vis, k_menu_page_main,
 141    .fn_press = menu_btn_map,
 142       .lr="text_skater"
 143 },
 144 {
 145    "text_settings", menu_vis, k_menu_page_main|k_menu_page_settings,
 146    .fn_press = menu_btn_settings,
 147       .ll="text_skater"
 148 },
 149 {
 150    "skater_left", menu_vis, k_menu_page_skater
 151 },
 152 {
 153    "skater_right", menu_vis, k_menu_page_skater
 154 },
 155
 156 { "fov_slider",      menu_vis, k_menu_page_settings },
 157 { "fov_info",        menu_vis, k_menu_page_settings },
 158
 159 { "ctr_xbox",        menu_controller_inf, k_menu_controller_type_xbox, },
 160 { "ctr_xbox_text",   menu_controller_inf, k_menu_controller_type_xbox },
 161 { "ctr_steam",       menu_controller_inf, k_menu_controller_type_steam },
 162 { "ctr_steam_text",  menu_controller_inf, k_menu_controller_type_steam },
 163 { "ctr_deck",        menu_controller_inf, k_menu_controller_type_steam_deck },
 164 { "ctr_deck_text",   menu_controller_inf, k_menu_controller_type_steam_deck },
 165 { "ctr_ps",          menu_controller_inf, k_menu_controller_type_playstation },
 166 { "ctr_ps_text",     menu_controller_inf, k_menu_controller_type_playstation },
 167 { "ctr_kbm",         menu_controller_inf, k_menu_controller_type_keyboard },
 168 { "ctr_kbm_text",    menu_controller_inf, k_menu_controller_type_keyboard },
 169 {
 170    "text_paused", menu_vis, k_menu_page_main
 171 },
 172 };
 173
 174 VG_STATIC int menu_get_loc( const char *loc )
 175 {
 176    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 177       if( !strcmp( menu_buttons[i].name, loc ) )
 178          return i;
 179
 180    assert(0);
 181    return 0;
 182 }
 183
 184 VG_STATIC void menu_btn_reset( int event )
 185 {
 186    reset_player(0,NULL);
 187    world_routes_clear();
 188
 189    cl_menu_go_away = 1;
 190    game_menu.page = 0;
 191 }
 192
 193 VG_STATIC void menu_btn_fuckoff( int event )
 194 {
 195    vg.window_should_close = 1;
 196 }
 197
 198 VG_STATIC void menu_btn_quit( int event )
 199 {
 200    game_menu.page = k_menu_page_quit;
 201    game_menu.loc = menu_get_loc( "text_yes" );
 202 }
 203
 204 VG_STATIC void menu_btn_settings( int event )
 205 {
 206    game_menu.page = k_menu_page_settings;
 207    game_menu.loc = menu_get_loc( "fov_slider" );
 208 }
 209
 210 VG_STATIC void menu_btn_skater( int event )
 211 {
 212    game_menu.page = k_menu_page_skater;
 213 }
 214
 215 VG_STATIC void menu_btn_map( int event )
 216 {
 217    game_menu.page = k_menu_page_map;
 218    game_menu.map_count = 0;
 219    game_menu.selected_map = 0;
 220
 221    tinydir_dir dir;
 222    tinydir_open( &dir, "maps" );
 223
 224    while( dir.has_next )
 225    {
 226       tinydir_file file;
 227       tinydir_readfile( &dir, &file );
 228
 229       if( file.is_reg )
 230       {
 231          struct menu_map_file *mf = &game_menu.maps_list[ game_menu.map_count ];
 232
 233          vg_strncpy( file.name, mf->name,
 234                                 vg_list_size(game_menu.maps_list[0].name)-1 );
 235
 236          game_menu.map_count ++;
 237          if( game_menu.map_count == vg_list_size(game_menu.maps_list) )
 238             break;
 239       }
 240
 241       tinydir_next( &dir );
 242    }
 243
 244    tinydir_close(&dir);
 245 }
 246
 247 VG_STATIC void menu_crap_ui(void)
 248 {
 249    if( cl_menu && (game_menu.page == k_menu_page_map) )
 250    {
 251       ui_rect box;
 252       box[0] = vg.window_x/2 - 150;
 253       box[1] = vg.window_y/2 - 300;
 254       box[2] = 300;
 255       box[3] = 600;
 256
 257       ui_fill_rect( box, 0xa0000000 );
 258
 259       if( game_menu.map_count == 0 )
 260       {
 261          ui_text( (ui_rect){ vg.window_x/2, box[1]+8, 0,0 }, "No maps found", 1,
 262                   k_text_align_center );
 263       }
 264       else
 265       {
 266          ui_rect_pad( box, 4 );
 267          box[3] = 16;
 268
 269          for( int i=0; i<game_menu.map_count; i++ )
 270          {
 271             struct menu_map_file *mf = &game_menu.maps_list[ i ];
 272
 273             ui_fill_rect( box, game_menu.selected_map == i? 0xa0ffffff:
 274                                                             0xa0808080 );
 275             ui_text( (ui_rect){ vg.window_x/2, box[1]+2, 0,0 },
 276                                  mf->name, 1, k_text_align_center );
 277             box[1] += 16+4;
 278          }
 279       }
 280    }
 281 }
 282
 283 VG_STATIC void steam_on_game_overlay( CallbackMsg_t *msg )
 284 {
 285    GameOverlayActivated_t *inf = (GameOverlayActivated_t *)msg->m_pubParam;
 286    vg_info( "Steam game overlay activated; pausing\n" );
 287
 288    if( inf->m_bActive )
 289    {
 290       cl_menu = 1;
 291       game_menu.page = k_menu_page_main;
 292       game_menu.loc = menu_get_loc( "text_skater" );
 293    }
 294 }
 295
 296 VG_STATIC void menu_init(void)
 297 {
 298    vg_create_unnamed_input( &input_menu_h, k_input_type_axis );
 299    vg_create_unnamed_input( &input_menu_v, k_input_type_axis );
 300    vg_create_unnamed_input( &input_menu_back, k_input_type_button );
 301    vg_create_unnamed_input( &input_menu_press, k_input_type_button );
 302    vg_create_unnamed_input( &input_menu_toggle, k_input_type_button );
 303    vg_create_unnamed_input( &input_menu_toggle_kbm, k_input_type_button );
 304
 305    vg_apply_bind_str( &input_menu_h, "", "gp-ls-h" );
 306    vg_apply_bind_str( &input_menu_h, "+", "right" );
 307    vg_apply_bind_str( &input_menu_h, "-", "left" );
 308    vg_apply_bind_str( &input_menu_v, "", "-gp-ls-v" );
 309    vg_apply_bind_str( &input_menu_v, "+", "up" );
 310    vg_apply_bind_str( &input_menu_v, "-", "down" );
 311    vg_apply_bind_str( &input_menu_press, "", "gp-a" );
 312    vg_apply_bind_str( &input_menu_press, "", "\2enter" );
 313    vg_apply_bind_str( &input_menu_back, "", "gp-b" );
 314    vg_apply_bind_str( &input_menu_back, "", "\2escape" );
 315    vg_apply_bind_str( &input_menu_toggle_kbm, "", "\2escape" );
 316    vg_apply_bind_str( &input_menu_toggle, "", "\2gp-menu" );
 317
 318    vg_linear_clear( vg_mem.scratch );
 319
 320    mdl_open( &menu_model, "models/rs_menu.mdl" );
 321    mdl_load_metadata( &menu_model, vg_mem.rtmemory );
 322    mdl_load_mesh_data( &menu_model, vg_mem.scratch );
 323    mdl_invert_uv_coordinates( &menu_model );
 324    mdl_close( &menu_model );
 325
 326    vg_acquire_thread_sync();
 327    {
 328       mdl_unpack_glmesh( &menu_model, &menu_glmesh );
 329       vg_tex2d_init( (vg_tex2d *[]){ &tex_menu }, 1 );
 330    }
 331    vg_release_thread_sync();
 332
 333    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 334    {
 335       struct menu_button *btn = &menu_buttons[i];
 336       btn->pnode = mdl_node_from_name( &menu_model, btn->name );
 337
 338       if( !btn->pnode )
 339          vg_fatal_exit_loop( "Menu programming error" );
 340    }
 341
 342    menu_pnode_fov_max = mdl_node_from_name( &menu_model, "fov_slider_max" );
 343    menu_pnode_fov_min = mdl_node_from_name( &menu_model, "fov_slider_min" );
 344    menu_pnode_fov_slider = mdl_node_from_name( &menu_model, "fov_slider" );
 345
 346    shader_menu_register();
 347
 348 #ifdef SR_NETWORKED
 349    steam_register_callback( k_iGameOverlayActivated, steam_on_game_overlay );
 350 #endif
 351 }
 352
 353 VG_STATIC void menu_run_directional(void)
 354 {
 355    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 356
 357    if( vg_input_button_down( &input_menu_press ) )
 358    {
 359       if( btn->fn_press )
 360       {
 361          audio_lock();
 362          audio_play_oneshot( &audio_ui[0], 1.0f );
 363          audio_unlock();
 364
 365          btn->fn_press( 1 );
 366          return;
 367       }
 368    }
 369
 370    if( menu_input_cooldown <= 0.0f )
 371    {
 372       v2f dir = {  input_menu_h.axis.value,
 373                   -input_menu_v.axis.value };
 374
 375       if( v2_length2( dir ) > 0.8f*0.8f )
 376       {
 377          const char *link = NULL;
 378
 379          if( fabsf(dir[0]) > fabsf(dir[1]) )
 380          {
 381             if( dir[0] > 0.0f ) link = btn->lr;
 382             else link = btn->ll;
 383          }
 384          else
 385          {
 386             if( dir[1] > 0.0f ) link = btn->ld;
 387             else link = btn->lu;
 388          }
 389
 390          if( link )
 391          {
 392             game_menu.loc = menu_get_loc( link );
 393             menu_input_cooldown = 0.25f;
 394          }
 395       }
 396    }
 397 }
 398
 399 VG_STATIC int menu_page_should_backout(void)
 400 {
 401    return vg_input_button_down( &input_menu_back );
 402 }
 403
 404 VG_STATIC void menu_close(void)
 405 {
 406    cl_menu_go_away = 1;
 407    game_menu.page = 0;
 408    game_menu.loc = menu_get_loc( "text_skater" );
 409 }
 410
 411 VG_STATIC void menu_page_main(void)
 412 {
 413    if( menu_page_should_backout() )
 414    {
 415       menu_close();
 416       return;
 417    }
 418
 419    menu_fov_target = 112.0f;
 420    menu_run_directional();
 421 }
 422
 423 VG_STATIC void menu_page_map(void)
 424 {
 425    if( menu_page_should_backout() )
 426    {
 427       game_menu.page = k_menu_page_main;
 428       game_menu.loc = menu_get_loc( "text_map" );
 429    }
 430
 431    if( game_menu.map_count > 0 )
 432    {
 433       float v = input_menu_v.axis.value;
 434       if( (fabsf(v) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 435       {
 436          audio_lock();
 437          audio_play_oneshot( &audio_rewind[4], 1.0f );
 438          audio_unlock();
 439
 440          if( v < 0.0f )
 441          {
 442             game_menu.selected_map --;
 443
 444             if( game_menu.selected_map < 0 )
 445                game_menu.selected_map = game_menu.map_count-1;
 446
 447             menu_input_cooldown = 0.25f;
 448          }
 449          else
 450          {
 451             game_menu.selected_map ++;
 452
 453             if( game_menu.selected_map >= game_menu.map_count )
 454                game_menu.selected_map = 0;
 455
 456             menu_input_cooldown = 0.25f;
 457          }
 458       }
 459
 460       if( vg_input_button_down( &input_menu_press ) )
 461       {
 462          /* load map */
 463          char temp[256];
 464          strcpy( temp, "maps/" );
 465          strcat( temp, game_menu.maps_list[game_menu.selected_map].name );
 466
 467          world_change_world( 1, (const char *[]){ temp } );
 468          menu_close();
 469       }
 470    }
 471
 472    menu_fov_target = 80.0f;
 473 }
 474
 475 VG_STATIC void menu_page_quit(void)
 476 {
 477    if( menu_page_should_backout() )
 478    {
 479       game_menu.page = k_menu_page_main;
 480       game_menu.loc = menu_get_loc( "text_quit" );
 481    }
 482
 483    menu_fov_target = 90.0f;
 484    menu_run_directional();
 485 }
 486
 487 VG_STATIC void menu_page_skater(void)
 488 {
 489    float h = input_menu_h.axis.value;
 490    menu_fov_target = 97.0f;
 491
 492    if( menu_page_should_backout() )
 493    {
 494       game_menu.page = k_menu_page_main;
 495       game_menu.loc = menu_get_loc( "text_skater" );
 496       return;
 497    }
 498
 499    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 500    {
 501       audio_lock();
 502       audio_play_oneshot( &audio_rewind[4], 1.0f );
 503       audio_unlock();
 504
 505       if( h < 0.0f )
 506       {
 507          cl_playermdl_id --;
 508          if( cl_playermdl_id < 0 )
 509             cl_playermdl_id = 2;
 510
 511          int li = menu_get_loc( "skater_left" );
 512
 513          menu_buttons[li].fsize = 0.4f;
 514          menu_buttons[li].falpha = 1.0f;
 515
 516          menu_input_cooldown = 0.25f;
 517       }
 518       else
 519       {
 520          cl_playermdl_id ++;
 521          if( cl_playermdl_id > 2 )
 522             cl_playermdl_id = 0;
 523
 524          int ri = menu_get_loc( "skater_left" );
 525
 526          menu_buttons[ri].fsize = 0.4f;
 527          menu_buttons[ri].falpha = 1.0f;
 528
 529          menu_input_cooldown = 0.25f;
 530       }
 531    }
 532 }
 533
 534 VG_STATIC void menu_page_settings(void)
 535 {
 536    float h = input_menu_h.axis.value;
 537    if( fabsf(h) > 0.04f )
 538       g_fov_option += h * vg.frame_delta;
 539    g_fov_option = vg_clampf( g_fov_option, 0.0f, 1.0f );
 540
 541    v3_lerp( menu_pnode_fov_min->co, menu_pnode_fov_max->co, g_fov_option,
 542             menu_pnode_fov_slider->co );
 543
 544    menu_fov_target = vg_lerpf( 97.0f, 135.0f, g_fov_option ) * 0.8f;
 545
 546    if( menu_page_should_backout() )
 547    {
 548       game_menu.page = k_menu_page_main;
 549       game_menu.loc = menu_get_loc( "text_settings" );
 550       return;
 551    }
 552 }
 553
 554 VG_STATIC void menu_update(void)
 555 {
 556    vg_input_update( 1, &input_menu_h );
 557    vg_input_update( 1, &input_menu_v );
 558    vg_input_update( 1, &input_menu_back );
 559    vg_input_update( 1, &input_menu_press );
 560    vg_input_update( 1, &input_menu_toggle );
 561    vg_input_update( 1, &input_menu_toggle_kbm );
 562
 563    int toggle_gp = vg_input_button_down( &input_menu_toggle ),
 564        toggle_kb = vg_input_button_down( &input_menu_toggle_kbm ),
 565        wait_for_a_sec = 0;
 566
 567    if( toggle_gp || toggle_kb )
 568    {
 569       if( cl_menu )
 570       {
 571          if( toggle_gp )
 572          {
 573             menu_close();
 574          }
 575       }
 576       else
 577       {
 578          if( toggle_kb )
 579             wait_for_a_sec = 1;
 580
 581          cl_menu = 1;
 582          game_menu.page = 1;
 583       }
 584    }
 585
 586    if( !wait_for_a_sec && cl_menu )
 587    {
 588       if( game_menu.page == k_menu_page_main )
 589          menu_page_main();
 590       else if( game_menu.page == k_menu_page_skater )
 591          menu_page_skater();
 592       else if( game_menu.page == k_menu_page_quit )
 593          menu_page_quit();
 594       else if( game_menu.page == k_menu_page_settings )
 595          menu_page_settings();
 596       else if( game_menu.page == k_menu_page_map )
 597          menu_page_map();
 598    }
 599
 600    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 601
 602    v3f pos;
 603    v2f angles;
 604
 605    /* Base */
 606    {
 607       v3f lookdir;
 608       v3f *mtx = player.mdl.sk.final_mtx[player.mdl.id_head];
 609       m3x3_mulv( mtx, (v3f){-1.0f,0.0f,0.0f}, lookdir );
 610
 611       lookdir[1] = 0.0f;
 612       v3_normalize( lookdir );
 613
 614       v3f center_rough;
 615
 616       if( player.is_dead )
 617       {
 618          v3_copy(player.mdl.ragdoll[ player.mdl.id_hip-1 ].rb.co, center_rough);
 619       }
 620       else
 621       {
 622          v3_add( player.camera_pos, player.visual_transform[3], center_rough );
 623          v3_muls( center_rough, 0.5f, center_rough );
 624       }
 625
 626       v3_muladds( center_rough, lookdir, 1.5f, pos );
 627       v3_add( (v3f){ 0.0f,0.8f,0.0f}, pos, pos );
 628
 629       angles[1] = 0.0f;
 630       angles[0] = -atan2f( lookdir[0], lookdir[2] );
 631
 632       /* setup model matrix */
 633       v4f qmenu_mdl;
 634       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -angles[0] );
 635
 636       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 637       v3_copy( center_rough, menu_mdl_mtx[3] );
 638    }
 639
 640    /* Extra */
 641    {
 642       v3f delta;
 643       v3_sub( btn->pnode->co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 644       v3_normalize( delta );
 645
 646       float y = atan2f( delta[0], delta[2] ),
 647             p = -sinf(delta[1]),
 648             dt = vg.frame_delta;
 649
 650       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 651       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 652
 653       v2_muladds( angles, menu_extra_angles, 0.8f, angles );
 654       angles[0] = fmodf( angles[0], VG_TAUf );
 655    }
 656
 657    /* Update camera */
 658    {
 659       camera_angles[0] = vg_alerpf( camera_angles[0], angles[0], menu_opacity );
 660       camera_angles[1] = vg_lerpf ( camera_angles[1], angles[1], menu_opacity );
 661       v3_lerp( camera_pos, pos, menu_opacity, camera_pos );
 662       camera_update();
 663    }
 664
 665    float dt = vg.frame_delta * 6.0f;
 666    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 667
 668    if( menu_opacity <= 0.01f )
 669    {
 670       cl_menu = 0;
 671       cl_menu_go_away = 0;
 672    }
 673
 674    vg.time_rate = 1.0-(double)menu_opacity;
 675
 676    if( cl_menu )
 677    {
 678       menu_input_cooldown -= vg.frame_delta;
 679    }
 680 }
 681
 682 /* https://iquilezles.org/articles/functions/ */
 683 float expSustainedImpulse( float x, float f, float k )
 684 {
 685     float s = fmaxf(x-f,0.0f);
 686     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 687 }
 688
 689 VG_STATIC void menu_render( m4x4f projection )
 690 {
 691    glEnable(GL_BLEND);
 692    glDisable(GL_DEPTH_TEST);
 693    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 694    glBlendEquation(GL_FUNC_ADD);
 695
 696    shader_fscolour_use();
 697    shader_fscolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 698    render_fsquad();
 699
 700    glEnable( GL_DEPTH_TEST );
 701    glDisable( GL_BLEND );
 702
 703    m4x3f mtx;
 704
 705    shader_menu_use();
 706    shader_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 707    shader_menu_uTexMain( 1 );
 708    vg_tex2d_bind( &tex_menu, 1 );
 709
 710    shader_menu_uPv( projection );
 711    mesh_bind( &menu_glmesh );
 712
 713    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 714    {
 715       struct menu_button *btn = &menu_buttons[i];
 716       float talpha = i==game_menu.loc? 1.0f: 0.0f,
 717             tsize0 = btn->fn_visibility( btn->user )? 1.0f: 0.0f,
 718             tsize1 = i==game_menu.loc? 0.07f: 0.0f,
 719             tsize  = tsize0+tsize1;
 720
 721       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.frame_delta * 14.0f );
 722       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.frame_delta * 3.0f  );
 723
 724       /* Colour */
 725       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 726           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 727           vcurrent;
 728
 729       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 730       shader_menu_uColour( vcurrent );
 731
 732       /* Create matrix */
 733       m4x3f mtx_size;
 734       mdl_node_transform( btn->pnode, mtx );
 735       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 736       m4x3_identity( mtx_size );
 737       m4x3_scale( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 738       m4x3_mul( mtx, mtx_size, mtx );
 739       shader_menu_uMdl( mtx );
 740
 741       for( int j=0; j<btn->pnode->submesh_count; j++ )
 742       {
 743          mdl_submesh *sm =
 744             &menu_model.submesh_buffer[ btn->pnode->submesh_start+j ];
 745          mdl_draw_submesh( sm );
 746       }
 747    }
 748
 749    /*
 750    for( int i=0; i<menu_model->node_count; i++ )
 751    {
 752       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 753
 754       for( int j=0; j<pnode->submesh_count; j++ )
 755       {
 756          mdl_submesh *sm =
 757             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 758
 759          mdl_node_transform( pnode, mtx );
 760          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 761          shader_menu_uMdl( mtx );
 762
 763          mdl_draw_submesh( sm );
 764       }
 765    }
 766    */
 767 }
 768
 769 #endif /* MENU_H */