menu.h

   1 #ifndef MENU_H
   2 #define MENU_H
   3
   4 #include "common.h"
   5 #include "model.h"
   6 #include "world_render.h"
   7 #include "player.h"
   8 #include "conf.h"
   9
  10 #include "shaders/model_menu.h"
  11 #include "vg_steam_friends.h"
  12 #include "submodules/tinydir/tinydir.h"
  13
  14 VG_STATIC mdl_context menu_model;
  15 VG_STATIC mdl_array_ptr   menu_markers;
  16 VG_STATIC glmesh      menu_glmesh;
  17 VG_STATIC m4x3f       menu_mdl_mtx;
  18 VG_STATIC float       menu_opacity = 0.0f;
  19 VG_STATIC float       menu_input_cooldown = 0.0f;
  20 VG_STATIC float       menu_fov_target = 97.0f,
  21                       menu_smooth_fov = 97.0f;
  22 VG_STATIC v2f         menu_extra_angles;
  23 VG_STATIC v3f         menu_camera_pos;
  24 VG_STATIC v2f         menu_camera_angles;
  25
  26 VG_STATIC int         cl_menu         = 0,
  27                       cl_menu_go_away = 0;
  28
  29 VG_STATIC int         menu_enabled(void){ return cl_menu; }
  30
  31 VG_STATIC const char *playermodels[] = { "ch_new", "ch_jordan", "ch_outlaw" };
  32
  33 vg_tex2d tex_menu = { .path = "textures/menu.qoi",.flags = VG_TEXTURE_NEAREST };
  34
  35 VG_STATIC struct input_binding input_menu_h,
  36                                input_menu_v,
  37                                input_menu_press,
  38                                input_menu_back,
  39                                input_menu_toggle,
  40                                input_menu_toggle_kbm;
  41
  42 VG_STATIC void menu_btn_quit( int event );
  43 VG_STATIC void menu_btn_skater( int event );
  44 VG_STATIC void menu_btn_blur( int event );
  45 VG_STATIC void menu_btn_fuckoff( int event );
  46 VG_STATIC void menu_btn_reset( int event );
  47 VG_STATIC void menu_btn_map( int event );
  48 VG_STATIC void menu_btn_settings( int event );
  49 VG_STATIC void menu_btn_invert_y( int event );
  50
  51 VG_STATIC mdl_mesh *menu_mesh_fov_slider,
  52                    *menu_mesh_vol_slider,
  53                    *menu_mesh_res_slider;
  54
  55 VG_STATIC ent_marker
  56                    *menu_mark_fov_min,
  57                    *menu_mark_fov_max,
  58                    *menu_mark_vol_min,
  59                    *menu_mark_vol_max,
  60                    *menu_mark_res_min,
  61                    *menu_mark_res_max;
  62
  63 struct{
  64    /* state */
  65    int loc;
  66    u32 page;
  67
  68    /* map browser */
  69    struct menu_map_file{
  70       char name[ 64 ];
  71    }
  72    maps_list[ 16 ];
  73
  74    int selected_map,
  75        map_count;
  76 }
  77 VG_STATIC game_menu;
  78
  79 enum menu_page{
  80    k_menu_page_main     = 0x1,
  81    k_menu_page_skater   = 0x2,
  82    k_menu_page_quit     = 0x4,
  83    k_menu_page_settings = 0x8,
  84    k_menu_page_map      = 0x10
  85 };
  86
  87 struct menu_btn_userdata{
  88    int   i;
  89    void *ptr_generic;
  90 };
  91
  92 VG_STATIC int menu_settings_if( struct menu_btn_userdata ud )
  93 {
  94    if( game_menu.page & k_menu_page_settings ){
  95       int *ptr = ud.ptr_generic;
  96       return *ptr;
  97    }
  98    else
  99       return 0;
 100 }
 101
 102 VG_STATIC int menu_vis( struct menu_btn_userdata ud )
 103 {
 104    if( ud.i & game_menu.page )
 105       return 1;
 106    else
 107       return 0;
 108 }
 109
 110 VG_STATIC int menu_controller( struct menu_btn_userdata ud )
 111 {
 112    if( (game_menu.page & (k_menu_page_main|k_menu_page_settings))
 113          && (ud.i == menu_display_controller) )
 114       return 1;
 115    return 0;
 116 }
 117
 118 VG_STATIC int menu_controller_inf( struct menu_btn_userdata ud )
 119 {
 120    if( (game_menu.page & k_menu_page_settings)
 121         && (ud.i == menu_display_controller) )
 122       return 1;
 123    return 0;
 124 }
 125
 126 struct menu_button
 127 {
 128    const char *name;
 129
 130    int (*fn_visibility)( struct menu_btn_userdata ud );
 131    struct menu_btn_userdata user;
 132
 133    void (*fn_press)( int event );
 134
 135    const char *ll,
 136               *lu,
 137               *lr,
 138               *ld;
 139
 140    mdl_mesh *mesh;
 141    float falpha, fsize;
 142 }
 143 VG_STATIC menu_buttons[] =
 144 {
 145    {
 146       "text_quit", menu_vis, {.i=k_menu_page_main|k_menu_page_quit},
 147       .fn_press = menu_btn_quit,
 148          .ld="text_reset", .lr="text_settings", /*.ll="text_map"*/
 149    },
 150    {
 151       "text_quitty", menu_vis, {.i=k_menu_page_quit}
 152    },
 153    {
 154       "text_yes", menu_vis, {.i=k_menu_page_quit},
 155          .fn_press = menu_btn_fuckoff
 156    },
 157 {
 158    "text_reset", menu_vis, {.i=k_menu_page_main},
 159    .fn_press = menu_btn_reset,
 160       .lu="text_quit", .ld="text_skater", /*.ll="text_map",*/ .lr="text_settings"
 161 },
 162 {
 163    "text_skater", menu_vis, {.i=k_menu_page_main|k_menu_page_skater},
 164    .fn_press = menu_btn_skater,
 165       .lu="text_reset", /*.ll="text_map",*/ .lr="text_settings"
 166 },
 167 /*
 168 {
 169    "text_map", menu_vis, {.i=k_menu_page_main},
 170    .fn_press = menu_btn_map,
 171       .lr="text_reset"
 172 },
 173 */
 174 {
 175    "text_settings", menu_vis, {.i=k_menu_page_main|k_menu_page_settings},
 176    .fn_press = menu_btn_settings,
 177       .ll="text_reset"
 178 },
 179 {
 180    "skater_left", menu_vis, {k_menu_page_skater}
 181 },
 182 {
 183    "skater_right", menu_vis, {k_menu_page_skater}
 184 },
 185
 186 {
 187    "fov_slider",     menu_vis, {k_menu_page_settings},
 188    .ld="text_invert_y"
 189 },
 190 { "fov_info",        menu_vis, {k_menu_page_settings} },
 191
 192 {
 193    "vol_slider",     menu_vis, {k_menu_page_settings},
 194    .lu="res_slider"
 195 },
 196 { "vol_info",        menu_vis, {k_menu_page_settings} },
 197
 198 {
 199    "text_invert_y",  menu_vis, {k_menu_page_settings},
 200    .fn_press = menu_btn_invert_y,
 201    .lu = "fov_slider", .ld="text_blur"
 202 },
 203 {
 204    "text_invert_y_check", menu_settings_if, {.ptr_generic=&cl_invert_y}
 205 },
 206 {
 207    "text_blur",      menu_vis, {k_menu_page_settings},
 208    .fn_press = menu_btn_blur,
 209    .lu="text_invert_y", .ld="res_slider"
 210 },
 211 {
 212    "text_blur_check", menu_settings_if, {.ptr_generic=&cl_blur}
 213 },
 214 {
 215    "res_slider",     menu_vis, {k_menu_page_settings},
 216    .ld = "vol_slider", .lu = "text_blur"
 217 },
 218 {
 219    "res_info", menu_vis, {k_menu_page_settings},
 220 },
 221 { "ctr_xbox",        menu_controller_inf, {k_menu_controller_type_xbox}},
 222 { "ctr_xbox_text",   menu_controller_inf, {k_menu_controller_type_xbox}},
 223 { "ctr_steam",       menu_controller_inf, {k_menu_controller_type_steam}},
 224 { "ctr_steam_text",  menu_controller_inf, {k_menu_controller_type_steam}},
 225 { "ctr_deck",        menu_controller_inf, {k_menu_controller_type_steam_deck}},
 226 { "ctr_deck_text",   menu_controller_inf, {k_menu_controller_type_steam_deck}},
 227 { "ctr_ps",          menu_controller_inf, {k_menu_controller_type_playstation}},
 228 { "ctr_ps_text",     menu_controller_inf, {k_menu_controller_type_playstation}},
 229 { "ctr_kbm",         menu_controller_inf, {k_menu_controller_type_keyboard}},
 230 { "ctr_kbm_text",    menu_controller_inf, {k_menu_controller_type_keyboard}},
 231 {
 232    "text_paused", menu_vis, {k_menu_page_main}
 233 },
 234 };
 235
 236 VG_STATIC int menu_get_loc( const char *loc )
 237 {
 238    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 239       if( !strcmp( menu_buttons[i].name, loc ) )
 240          return i;
 241
 242    assert(0);
 243    return 0;
 244 }
 245
 246 VG_STATIC int __respawn( int argc, const char *argv[] );
 247 VG_STATIC void menu_btn_reset( int event )
 248 {
 249    __respawn(0,NULL);
 250    cl_menu_go_away = 1;
 251    game_menu.page = 0;
 252 }
 253
 254 VG_STATIC void menu_btn_fuckoff( int event )
 255 {
 256    vg.window_should_close = 1;
 257 }
 258
 259 VG_STATIC void menu_btn_quit( int event )
 260 {
 261    game_menu.page = k_menu_page_quit;
 262    game_menu.loc = menu_get_loc( "text_yes" );
 263 }
 264
 265 VG_STATIC void menu_btn_settings( int event )
 266 {
 267    game_menu.page = k_menu_page_settings;
 268    game_menu.loc = menu_get_loc( "fov_slider" );
 269 }
 270
 271 VG_STATIC void menu_btn_skater( int event )
 272 {
 273    game_menu.page = k_menu_page_skater;
 274 }
 275
 276 VG_STATIC void menu_btn_blur( int event )
 277 {
 278    cl_blur ^= 0x1;
 279 }
 280
 281 VG_STATIC void menu_btn_invert_y( int event )
 282 {
 283    cl_invert_y ^= 0x1;
 284 }
 285
 286 VG_STATIC void menu_btn_map( int event )
 287 {
 288    game_menu.page = k_menu_page_map;
 289    game_menu.map_count = 0;
 290    game_menu.selected_map = 0;
 291
 292    tinydir_dir dir;
 293    tinydir_open( &dir, "maps" );
 294
 295    while( dir.has_next ){
 296       tinydir_file file;
 297       tinydir_readfile( &dir, &file );
 298
 299       if( file.is_reg ){
 300          struct menu_map_file *mf = &game_menu.maps_list[ game_menu.map_count ];
 301
 302          vg_strncpy( file.name, mf->name,
 303                                 vg_list_size(game_menu.maps_list[0].name)-1 );
 304
 305          game_menu.map_count ++;
 306          if( game_menu.map_count == vg_list_size(game_menu.maps_list) )
 307             break;
 308       }
 309
 310       tinydir_next( &dir );
 311    }
 312
 313    tinydir_close(&dir);
 314 }
 315
 316 VG_STATIC void menu_crap_ui(void)
 317 {
 318    if( cl_menu && (game_menu.page == k_menu_page_map) ){
 319       ui_rect box;
 320       box[0] = vg.window_x/2 - 150;
 321       box[1] = vg.window_y/2 - 300;
 322       box[2] = 300;
 323       box[3] = 600;
 324
 325       ui_fill_rect( box, 0xa0000000 );
 326
 327       if( game_menu.map_count == 0 ){
 328          ui_text( (ui_rect){ vg.window_x/2, box[1]+8, 0,0 }, "No maps found", 1,
 329                   k_text_align_center );
 330       }
 331       else{
 332          ui_rect_pad( box, 4 );
 333          box[3] = 16;
 334
 335          for( int i=0; i<game_menu.map_count; i++ ){
 336             struct menu_map_file *mf = &game_menu.maps_list[ i ];
 337
 338             ui_fill_rect( box, game_menu.selected_map == i? 0xa0ffffff:
 339                                                             0xa0808080 );
 340             ui_text( (ui_rect){ vg.window_x/2, box[1]+2, 0,0 },
 341                                  mf->name, 1, k_text_align_center );
 342             box[1] += 16+4;
 343          }
 344       }
 345    }
 346 }
 347
 348 VG_STATIC void steam_on_game_overlay( CallbackMsg_t *msg )
 349 {
 350    GameOverlayActivated_t *inf = (GameOverlayActivated_t *)msg->m_pubParam;
 351    vg_info( "Steam game overlay activated; pausing\n" );
 352
 353    if( inf->m_bActive ){
 354       cl_menu = 1;
 355       game_menu.page = k_menu_page_main;
 356       game_menu.loc = menu_get_loc( "text_skater" );
 357    }
 358 }
 359
 360 VG_STATIC void menu_init(void)
 361 {
 362    vg_create_unnamed_input( &input_menu_h, k_input_type_axis );
 363    vg_create_unnamed_input( &input_menu_v, k_input_type_axis );
 364    vg_create_unnamed_input( &input_menu_back, k_input_type_button );
 365    vg_create_unnamed_input( &input_menu_press, k_input_type_button );
 366    vg_create_unnamed_input( &input_menu_toggle, k_input_type_button );
 367    vg_create_unnamed_input( &input_menu_toggle_kbm, k_input_type_button );
 368
 369    vg_apply_bind_str( &input_menu_h, "", "gp-ls-h" );
 370    vg_apply_bind_str( &input_menu_h, "+", "right" );
 371    vg_apply_bind_str( &input_menu_h, "-", "left" );
 372    vg_apply_bind_str( &input_menu_v, "", "-gp-ls-v" );
 373    vg_apply_bind_str( &input_menu_v, "+", "up" );
 374    vg_apply_bind_str( &input_menu_v, "-", "down" );
 375    vg_apply_bind_str( &input_menu_press, "", "gp-a" );
 376    vg_apply_bind_str( &input_menu_press, "", "\2enter" );
 377    vg_apply_bind_str( &input_menu_back, "", "gp-b" );
 378    vg_apply_bind_str( &input_menu_back, "", "\2escape" );
 379    vg_apply_bind_str( &input_menu_toggle_kbm, "", "\2escape" );
 380    vg_apply_bind_str( &input_menu_toggle, "", "\2gp-menu" );
 381
 382    vg_linear_clear( vg_mem.scratch );
 383
 384    mdl_open( &menu_model, "models/rs_menu.mdl", vg_mem.rtmemory );
 385    mdl_load_metadata_block( &menu_model, vg_mem.rtmemory );
 386    mdl_load_mesh_block( &menu_model, vg_mem.scratch );
 387    mdl_load_array( &menu_model, &menu_markers, "ent_marker", vg_mem.rtmemory );
 388    //mdl_invert_uv_coordinates( &menu_model );
 389    mdl_close( &menu_model );
 390
 391    vg_acquire_thread_sync();
 392    {
 393       mdl_unpack_glmesh( &menu_model, &menu_glmesh );
 394       vg_tex2d_init( (vg_tex2d *[]){ &tex_menu }, 1 );
 395    }
 396    vg_release_thread_sync();
 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_exit_loop( "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    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 435
 436    if( vg_input_button_down( &input_menu_press ) ){
 437       if( btn->fn_press ){
 438          audio_lock();
 439          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 440          audio_unlock();
 441
 442          btn->fn_press( 1 );
 443          return;
 444       }
 445    }
 446
 447    if( menu_input_cooldown <= 0.0f ){
 448       v2f dir = {  input_menu_h.axis.value,
 449                   -input_menu_v.axis.value };
 450
 451       if( v2_length2( dir ) > 0.8f*0.8f ){
 452          const char *link = NULL;
 453
 454          if( fabsf(dir[0]) > fabsf(dir[1]) ){
 455             if( dir[0] > 0.0f ) link = btn->lr;
 456             else link = btn->ll;
 457          }
 458          else{
 459             if( dir[1] > 0.0f ) link = btn->ld;
 460             else link = btn->lu;
 461          }
 462
 463          if( link ){
 464             game_menu.loc = menu_get_loc( link );
 465             menu_input_cooldown = 0.25f;
 466          }
 467       }
 468    }
 469 }
 470
 471 VG_STATIC int menu_page_should_backout(void)
 472 {
 473    return vg_input_button_down( &input_menu_back );
 474 }
 475
 476 VG_STATIC void menu_close(void)
 477 {
 478    cl_menu_go_away = 1;
 479    game_menu.page = 0;
 480    game_menu.loc = menu_get_loc( "text_skater" );
 481 }
 482
 483 VG_STATIC void menu_page_main(void)
 484 {
 485    if( menu_page_should_backout() )
 486    {
 487       menu_close();
 488       return;
 489    }
 490
 491    menu_fov_target = 112.0f;
 492    menu_run_directional();
 493 }
 494
 495 VG_STATIC void menu_page_map(void)
 496 {
 497    if( menu_page_should_backout() ){
 498       game_menu.page = k_menu_page_main;
 499       game_menu.loc = menu_get_loc( "text_map" );
 500    }
 501
 502    if( game_menu.map_count > 0 ){
 503       float v = input_menu_v.axis.value;
 504       if( (fabsf(v) > 0.7f) && (menu_input_cooldown <= 0.0f) ){
 505          audio_lock();
 506          audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 507          audio_unlock();
 508
 509          if( v > 0.0f ){
 510             game_menu.selected_map --;
 511
 512             if( game_menu.selected_map < 0 )
 513                game_menu.selected_map = game_menu.map_count-1;
 514
 515             menu_input_cooldown = 0.25f;
 516          }
 517          else{
 518             game_menu.selected_map ++;
 519
 520             if( game_menu.selected_map >= game_menu.map_count )
 521                game_menu.selected_map = 0;
 522
 523             menu_input_cooldown = 0.25f;
 524          }
 525       }
 526
 527       if( vg_input_button_down( &input_menu_press ) ){
 528 #if 0
 529          /* load map */
 530          char temp[256];
 531          strcpy( temp, "maps/" );
 532          strcat( temp, game_menu.maps_list[game_menu.selected_map].name );
 533
 534          world_change_world( 1, (const char *[]){ temp } );
 535          menu_close();
 536 #endif
 537       }
 538    }
 539
 540    menu_fov_target = 80.0f;
 541 }
 542
 543 VG_STATIC void menu_page_quit(void)
 544 {
 545    if( menu_page_should_backout() ){
 546       game_menu.page = k_menu_page_main;
 547       game_menu.loc = menu_get_loc( "text_quit" );
 548    }
 549
 550    menu_fov_target = 90.0f;
 551    menu_run_directional();
 552 }
 553
 554 void temp_update_playermodel(void);
 555 VG_STATIC void menu_page_skater(void)
 556 {
 557    float h = input_menu_h.axis.value;
 558    menu_fov_target = 97.0f;
 559
 560    if( menu_page_should_backout() ){
 561       game_menu.page = k_menu_page_main;
 562       game_menu.loc = menu_get_loc( "text_skater" );
 563       return;
 564    }
 565
 566    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) ){
 567       audio_lock();
 568       audio_oneshot( &audio_rewind[4], 1.0f, 0.0f );
 569       audio_unlock();
 570
 571       vg_info( "%f\n", h );
 572
 573       if( h < 0.0f ){
 574          cl_playermdl_id --;
 575          if( cl_playermdl_id < 0 )
 576             cl_playermdl_id = 2;
 577
 578          int li = menu_get_loc( "skater_left" );
 579
 580          menu_buttons[li].fsize = 0.4f;
 581          menu_buttons[li].falpha = 1.0f;
 582
 583          menu_input_cooldown = 0.25f;
 584       }
 585       else{
 586          cl_playermdl_id ++;
 587          if( cl_playermdl_id > 2 )
 588             cl_playermdl_id = 0;
 589
 590          int ri = menu_get_loc( "skater_right" );
 591
 592          menu_buttons[ri].fsize = 0.4f;
 593          menu_buttons[ri].falpha = 1.0f;
 594
 595          menu_input_cooldown = 0.25f;
 596       }
 597
 598       temp_update_playermodel();
 599    }
 600 }
 601
 602 VG_STATIC void menu_slider( float *value, int set_value,
 603                             mdl_mesh *slider, v3f co_min, v3f co_max )
 604 {
 605    if( set_value ){
 606       float h = input_menu_h.axis.value;
 607       if( fabsf(h) > 0.04f )
 608          *value += h * vg.frame_delta;
 609       *value = vg_clampf( *value, 0.0f, 1.0f );
 610    }
 611
 612    v3_lerp( co_min, co_max, *value, slider->transform.co );
 613 }
 614
 615 VG_STATIC void menu_page_settings(void)
 616 {
 617    menu_run_directional();
 618
 619    int fov_select = game_menu.loc == menu_get_loc( "fov_slider" );
 620    menu_slider( &cl_fov, fov_select,
 621                   menu_mesh_fov_slider, menu_mark_fov_min->transform.co,
 622                   menu_mark_fov_max->transform.co );
 623
 624    if( fov_select )
 625       menu_fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov ) * 0.8f;
 626
 627    menu_slider( &vg_audio.external_global_volume,
 628                   (game_menu.loc == menu_get_loc( "vol_slider" )),
 629                   menu_mesh_vol_slider, menu_mark_vol_min->transform.co,
 630                   menu_mark_vol_max->transform.co );
 631
 632    menu_slider( &gpipeline.view_render_scale,
 633                   (game_menu.loc == menu_get_loc( "res_slider" )),
 634                   menu_mesh_res_slider, menu_mark_res_min->transform.co,
 635                   menu_mark_res_max->transform.co );
 636
 637    if( menu_page_should_backout() ){
 638       game_menu.page = k_menu_page_main;
 639       game_menu.loc = menu_get_loc( "text_settings" );
 640       return;
 641    }
 642 }
 643
 644 player_instance *tmp_localplayer(void);
 645
 646 VG_STATIC void menu_update(void)
 647 {
 648    vg_input_update( 1, &input_menu_h );
 649    vg_input_update( 1, &input_menu_v );
 650    vg_input_update( 1, &input_menu_back );
 651    vg_input_update( 1, &input_menu_press );
 652    vg_input_update( 1, &input_menu_toggle );
 653    vg_input_update( 1, &input_menu_toggle_kbm );
 654
 655    int toggle_gp = vg_input_button_down( &input_menu_toggle ),
 656        toggle_kb = vg_input_button_down( &input_menu_toggle_kbm ),
 657        wait_for_a_sec = 0;
 658
 659    if( toggle_gp || toggle_kb ){
 660       if( cl_menu ){
 661          if( toggle_gp ){
 662             menu_close();
 663          }
 664       }
 665       else{
 666          if( toggle_kb )
 667             wait_for_a_sec = 1;
 668
 669          cl_menu = 1;
 670          game_menu.page = 1;
 671       }
 672    }
 673
 674    if( !wait_for_a_sec && cl_menu ){
 675       if( game_menu.page == k_menu_page_main )
 676          menu_page_main();
 677       else if( game_menu.page == k_menu_page_skater )
 678          menu_page_skater();
 679       else if( game_menu.page == k_menu_page_quit )
 680          menu_page_quit();
 681       else if( game_menu.page == k_menu_page_settings )
 682          menu_page_settings();
 683       else if( game_menu.page == k_menu_page_map )
 684          menu_page_map();
 685    }
 686
 687    struct menu_button *btn = &menu_buttons[ game_menu.loc ];
 688
 689    /* Base */
 690    {
 691       player_instance *player = tmp_localplayer();
 692       struct player_avatar *av = player->playeravatar;
 693
 694       v3f center_rough;
 695       if( player->subsystem == k_player_subsystem_dead ){
 696          m4x3_mulv( av->sk.final_mtx[av->id_hip], (v3f){0.0f,0.9f,0.0f},
 697                     center_rough );
 698       }
 699       else{
 700          m4x3_mulv( av->sk.final_mtx[av->id_head], (v3f){0.0f,1.5f,0.0f},
 701                     center_rough );
 702       }
 703
 704       v3f cam_offset;
 705       float cam_rot;
 706       if( player->subsystem == k_player_subsystem_walk ){
 707          v3_muls( player->rb.to_world[2],  1.0f, cam_offset );
 708          cam_rot = 0.0f;
 709       }
 710       else{
 711          v3_muls( player->rb.to_world[0], -1.0f, cam_offset );
 712          cam_rot = -VG_PIf*0.5f;
 713       }
 714
 715
 716       v3f lookdir;
 717       m3x3_mulv( player->invbasis, cam_offset, lookdir );
 718       lookdir[1] = 0.0f;
 719       v3_normalize( lookdir );
 720
 721       m3x3_mulv( player->basis, lookdir, cam_offset );
 722       v3_muladds( center_rough, cam_offset, 2.0f, menu_camera_pos );
 723
 724       menu_camera_angles[1] = 0.0f;
 725       menu_camera_angles[0] = -atan2f( lookdir[0], lookdir[2] );
 726
 727       /* setup model matrix */
 728       v4f qmenu_mdl;
 729       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -menu_camera_angles[0] );
 730       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 731       v3_add( center_rough, (v3f){0.0f,-0.5f,0.0f}, menu_mdl_mtx[3] );
 732       m3x3_mul( player->basis, menu_mdl_mtx, menu_mdl_mtx );
 733
 734       menu_smooth_fov = vg_lerpf( menu_smooth_fov, menu_fov_target,
 735                                   vg.frame_delta * 8.2f );
 736    }
 737
 738    /* Extra */
 739    {
 740       v3f delta;
 741       v3_sub( btn->mesh->transform.co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 742       v3_normalize( delta );
 743
 744       float y = atan2f( delta[0], delta[2] ),
 745             p = -sinf(delta[1]),
 746             dt = vg.frame_delta;
 747
 748       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 749       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 750
 751       v2_muladds( menu_camera_angles, menu_extra_angles, 0.8f,
 752                   menu_camera_angles );
 753       menu_camera_angles[0] = fmodf( menu_camera_angles[0], VG_TAUf );
 754    }
 755
 756    float dt = vg.frame_delta * 6.0f;
 757    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 758
 759    if( menu_opacity <= 0.01f ){
 760       cl_menu = 0;
 761       cl_menu_go_away = 0;
 762    }
 763
 764    vg.time_rate = 1.0-(double)menu_opacity;
 765
 766    if( cl_menu ){
 767       menu_input_cooldown -= vg.frame_delta;
 768    }
 769 }
 770
 771 /* https://iquilezles.org/articles/functions/ */
 772 float expSustainedImpulse( float x, float f, float k )
 773 {
 774     float s = fmaxf(x-f,0.0f);
 775     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 776 }
 777
 778 VG_STATIC void menu_render_bg(void)
 779 {
 780    glEnable(GL_BLEND);
 781    glDisable(GL_DEPTH_TEST);
 782    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 783    glBlendEquation(GL_FUNC_ADD);
 784
 785    shader_blitcolour_use();
 786    shader_blitcolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 787    render_fsquad();
 788 }
 789
 790 VG_STATIC void menu_render_fg( camera *cam )
 791 {
 792    glEnable( GL_DEPTH_TEST );
 793    glDisable( GL_BLEND );
 794
 795    m4x3f mtx;
 796
 797    shader_model_menu_use();
 798    shader_model_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 799    shader_model_menu_uTexMain( 1 );
 800    vg_tex2d_bind( &tex_menu, 1 );
 801
 802    shader_model_menu_uPv( cam->mtx.pv );
 803    shader_model_menu_uPvmPrev( cam->mtx_prev.pv );
 804    mesh_bind( &menu_glmesh );
 805
 806    for( int i=0; i<vg_list_size(menu_buttons); i++ ){
 807       struct menu_button *btn = &menu_buttons[i];
 808       float talpha = i==game_menu.loc? 1.0f: 0.0f,
 809             tsize0 = btn->fn_visibility( btn->user )? 1.0f: 0.0f,
 810             tsize1 = i==game_menu.loc? 0.07f: 0.0f,
 811             tsize  = tsize0+tsize1;
 812
 813       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.frame_delta * 14.0f );
 814       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.frame_delta * 7.0f  );
 815
 816       /* Colour */
 817       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 818           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 819           vcurrent;
 820
 821       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 822       shader_model_menu_uColour( vcurrent );
 823
 824       /* Create matrix */
 825       m4x3f mtx_size;
 826       mdl_transform_m4x3( &btn->mesh->transform, mtx );
 827       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 828       m4x3_identity( mtx_size );
 829       m4x3_scale( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 830       m4x3_mul( mtx, mtx_size, mtx );
 831       shader_model_menu_uMdl( mtx );
 832
 833       for( int j=0; j<btn->mesh->submesh_count; j++ ){
 834          mdl_submesh *sm =
 835             mdl_arritm( &menu_model.submeshs, btn->mesh->submesh_start+j );
 836          mdl_draw_submesh( sm );
 837       }
 838    }
 839
 840    /*
 841    for( int i=0; i<menu_model->node_count; i++ )
 842    {
 843       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 844
 845       for( int j=0; j<pnode->submesh_count; j++ )
 846       {
 847          mdl_submesh *sm =
 848             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 849
 850          mdl_node_transform( pnode, mtx );
 851          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 852          shader_menu_uMdl( mtx );
 853
 854          mdl_draw_submesh( sm );
 855       }
 856    }
 857    */
 858 }
 859
 860 #endif /* MENU_H */