builtin/mainmenu.lua

   1 os.setlocale("C", "numeric")
   2
   3 local scriptpath = engine.get_scriptdir()
   4
   5 dofile(scriptpath .. DIR_DELIM .. "mainmenu_worldlist.lua")
   6 dofile(scriptpath .. DIR_DELIM .. "modmgr.lua")
   7 dofile(scriptpath .. DIR_DELIM .. "modstore.lua")
   8 dofile(scriptpath .. DIR_DELIM .. "gamemgr.lua")
   9
  10 local menu = {}
  11 local tabbuilder = {}
  12 local menubar = {}
  13 local worldlist = nil
  14
  15 --------------------------------------------------------------------------------
  16 function render_favourite(spec,render_details)
  17         local text = ""
  18
  19         if spec.name ~= nil then
  20                 text = text .. fs_escape_string(spec.name:trim())
  21
  22 --              if spec.description ~= nil and
  23 --                      fs_escape_string(spec.description):trim() ~= "" then
  24 --                      text = text .. " (" .. fs_escape_string(spec.description) .. ")"
  25 --              end
  26         else
  27                 if spec.address ~= nil then
  28                         text = text .. spec.address:trim()
  29                 end
  30         end
  31
  32         if not render_details then
  33                 return text
  34         end
  35
  36         local details = ""
  37         if spec.password == true then
  38                 details = details .. "*"
  39         else
  40                 details = details .. "_"
  41         end
  42
  43         if spec.creative then
  44                 details = details .. "C"
  45         else
  46                 details = details .. "_"
  47         end
  48
  49         if spec.damage then
  50                 details = details .. "D"
  51         else
  52                 details = details .. "_"
  53         end
  54
  55         if spec.pvp then
  56                 details = details .. "P"
  57         else
  58                 details = details .. "_"
  59         end
  60         details = details .. "  "
  61
  62         return fs_escape_string(details) .. text
  63 end
  64
  65 --------------------------------------------------------------------------------
  66 os.tempfolder = function()
  67         local filetocheck = os.tmpname()
  68         os.remove(filetocheck)
  69
  70         local randname = "MTTempModFolder_" .. math.random(0,10000)
  71         if DIR_DELIM == "\\" then
  72                 local tempfolder = os.getenv("TEMP")
  73                 return tempfolder .. filetocheck
  74         else
  75                 local backstring = filetocheck:reverse()
  76                 return filetocheck:sub(0,filetocheck:len()-backstring:find(DIR_DELIM)+1) ..randname
  77         end
  78
  79 end
  80
  81 --------------------------------------------------------------------------------
  82 function cleanup_path(temppath)
  83
  84         local parts = temppath:split("-")
  85         temppath = ""
  86         for i=1,#parts,1 do
  87                 if temppath ~= "" then
  88                         temppath = temppath .. "_"
  89                 end
  90                 temppath = temppath .. parts[i]
  91         end
  92
  93         parts = temppath:split(".")
  94         temppath = ""
  95         for i=1,#parts,1 do
  96                 if temppath ~= "" then
  97                         temppath = temppath .. "_"
  98                 end
  99                 temppath = temppath .. parts[i]
 100         end
 101
 102         parts = temppath:split("'")
 103         temppath = ""
 104         for i=1,#parts,1 do
 105                 if temppath ~= "" then
 106                         temppath = temppath .. ""
 107                 end
 108                 temppath = temppath .. parts[i]
 109         end
 110
 111         parts = temppath:split(" ")
 112         temppath = ""
 113         for i=1,#parts,1 do
 114                 if temppath ~= "" then
 115                         temppath = temppath
 116                 end
 117                 temppath = temppath .. parts[i]
 118         end
 119
 120         return temppath
 121 end
 122
 123 --------------------------------------------------------------------------------
 124
 125 function menu.set_texture(identifier,gamedetails)
 126         local texture_set = false
 127         if menu.texturepack ~= nil and gamedetails ~= nil then
 128                 local path = menu.basetexturedir ..
 129                                                 gamedetails.id .. "_menu_" .. identifier .. ".png"
 130
 131                 if engine.set_background(identifier,path) then
 132                         texture_set = true
 133                 end
 134         end
 135
 136         if not texture_set and gamedetails ~= nil then
 137                 local path = gamedetails.path .. DIR_DELIM .."menu" ..
 138                                                                          DIR_DELIM .. identifier .. ".png"
 139                 if engine.set_background(identifier,path) then
 140                         texture_set = true
 141                 end
 142         end
 143
 144         if not texture_set then
 145                 local path = menu.basetexturedir .. DIR_DELIM .."menu_" ..
 146                                                                                 identifier .. ".png"
 147                 if engine.set_background(identifier,path) then
 148                         texture_set = true
 149                 end
 150         end
 151
 152         if not texture_set then
 153                 local path = menu.defaulttexturedir .. DIR_DELIM .."menu_" ..
 154                                                                                 identifier .. ".png"
 155                 engine.set_background(identifier,path)
 156         end
 157 end
 158
 159 --------------------------------------------------------------------------------
 160 function menu.update_gametype()
 161
 162
 163
 164         if (menu.game_last_check == nil or
 165                 menu.game_last_check ~= menu.last_game) and
 166                 tabbuilder.current_tab == "singleplayer" then
 167
 168                 local gamedetails = menu.lastgame()
 169                 engine.set_topleft_text(gamedetails.name)
 170                 filterlist.set_filtercriteria(worldlist,gamedetails.id)
 171
 172                 --background
 173                 local background_set = false
 174                 if menu.texturepack ~= nil then
 175                         local path_background_texture = menu.basetexturedir ..
 176                                                                                 gamedetails.id .. "_menu_background.png"
 177
 178                         if engine.set_background("background",path_background_texture) then
 179                                 background_set = true
 180                                 engine.set_clouds(false)
 181                         end
 182                 end
 183
 184                 if not background_set then
 185                         local path_background_texture = gamedetails.path .. DIR_DELIM .."menu" ..
 186                                                                                  DIR_DELIM .. "background.png"
 187                         if engine.set_background("background",path_background_texture) then
 188                                 background_set = true
 189                                 engine.set_clouds(false)
 190                         end
 191                 end
 192
 193                 if not background_set then
 194                         engine.set_clouds(true)
 195                 end
 196
 197                 menu.set_texture("overlay",gamedetails)
 198                 menu.set_texture("header",gamedetails)
 199                 menu.set_texture("footer",gamedetails)
 200
 201                 menu.game_last_check = menu.last_game
 202         else
 203                 if menu.game_last_check ~= menu.last_game then
 204                         menu.game_last_check = menu.last_game
 205                         menu.reset_gametype()
 206                 end
 207         end
 208 end
 209
 210 --------------------------------------------------------------------------------
 211 function menu.reset_gametype()
 212         filterlist.set_filtercriteria(worldlist,nil)
 213         menu.game_last_check = nil
 214
 215         local path_background_texture = menu.basetexturedir .. "menu_background.png"
 216
 217         if engine.set_background("background",path_background_texture) then
 218                 background_set = true
 219                 engine.set_clouds(false)
 220         else
 221                 engine.set_clouds(true)
 222         end
 223
 224         menu.set_texture("overlay",nil)
 225         menu.set_texture("header",nil)
 226         menu.set_texture("footer",nil)
 227         engine.set_topleft_text("")
 228 end
 229
 230 --------------------------------------------------------------------------------
 231 function get_last_folder(text,count)
 232         local parts = text:split(DIR_DELIM)
 233
 234         if count == nil then
 235                 return parts[#parts]
 236         end
 237
 238         local retval = ""
 239         for i=1,count,1 do
 240                 retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM
 241         end
 242
 243         return retval
 244 end
 245
 246 --------------------------------------------------------------------------------
 247 function init_globals()
 248         --init gamedata
 249         gamedata.worldindex = 0
 250
 251         worldlist = filterlist.create(
 252                                         engine.get_worlds,
 253                                         compare_worlds,
 254                                         function(element,uid)
 255                                                 if element.name == uid then
 256                                                         return true
 257                                                 end
 258                                                 return false
 259                                         end, --unique id compare fct
 260                                         function(element,gameid)
 261                                                 if element.gameid == gameid then
 262                                                         return true
 263                                                 end
 264                                                 return false
 265                                         end --filter fct
 266                                         )
 267
 268         filterlist.add_sort_mechanism(worldlist,"alphabetic",sort_worlds_alphabetic)
 269         filterlist.set_sortmode(worldlist,"alphabetic")
 270
 271 end
 272
 273 --------------------------------------------------------------------------------
 274 function identify_filetype(name)
 275
 276         if name:sub(-3):lower() == "zip" then
 277                 return {
 278                                 name = name,
 279                                 type = "zip"
 280                                 }
 281         end
 282
 283         if name:sub(-6):lower() == "tar.gz" or
 284                 name:sub(-3):lower() == "tgz"then
 285                 return {
 286                                 name = name,
 287                                 type = "tgz"
 288                                 }
 289         end
 290
 291         if name:sub(-6):lower() == "tar.bz2" then
 292                 return {
 293                                 name = name,
 294                                 type = "tbz"
 295                                 }
 296         end
 297
 298         if name:sub(-2):lower() == "7z" then
 299                 return {
 300                                 name = name,
 301                                 type = "7z"
 302                                 }
 303         end
 304
 305         return {
 306                 name = name,
 307                 type = "ukn"
 308         }
 309 end
 310
 311 --------------------------------------------------------------------------------
 312 function update_menu()
 313
 314         local formspec = "size[12,5.2]"
 315
 316         -- handle errors
 317         if gamedata.errormessage ~= nil then
 318                 formspec = formspec ..
 319                         "field[1,2;10,2;;ERROR: " ..
 320                         gamedata.errormessage ..
 321                         ";]"..
 322                         "button[4.5,4.2;3,0.5;btn_error_confirm;Ok]"
 323         else
 324                 formspec = formspec .. tabbuilder.gettab()
 325         end
 326
 327         engine.update_formspec(formspec)
 328 end
 329
 330 --------------------------------------------------------------------------------
 331 function menu.render_world_list()
 332         local retval = ""
 333
 334         local current_worldlist = filterlist.get_list(worldlist)
 335
 336         for i,v in ipairs(current_worldlist) do
 337                 if retval ~= "" then
 338                         retval = retval ..","
 339                 end
 340
 341                 retval = retval .. v.name ..
 342                                         " \\[" .. v.gameid .. "\\]"
 343         end
 344
 345         return retval
 346 end
 347
 348 --------------------------------------------------------------------------------
 349 function menu.init()
 350         --init menu data
 351         gamemgr.update_gamelist()
 352
 353         menu.last_game  = tonumber(engine.setting_get("main_menu_last_game_idx"))
 354
 355         if type(menu.last_game) ~= "number" then
 356                 menu.last_game = 1
 357         end
 358
 359         if engine.setting_getbool("public_serverlist") then
 360                 menu.favorites = engine.get_favorites("online")
 361         else
 362                 menu.favorites = engine.get_favorites("local")
 363         end
 364
 365
 366         menu.defaulttexturedir = engine.get_gamepath() .. DIR_DELIM .. ".." ..
 367                                                 DIR_DELIM .. "textures" .. DIR_DELIM .. "base" ..
 368                                                 DIR_DELIM .. "pack" .. DIR_DELIM
 369         menu.basetexturedir = menu.defaulttexturedir
 370
 371         menu.texturepack = engine.setting_get("texture_path")
 372
 373         if menu.texturepack ~= nil then
 374                 menu.basetexturedir = menu.texturepack .. DIR_DELIM
 375         end
 376 end
 377
 378 --------------------------------------------------------------------------------
 379 function menu.lastgame()
 380         if menu.last_game > 0 and menu.last_game <= #gamemgr.games then
 381                 return gamemgr.games[menu.last_game]
 382         end
 383
 384         if #gamemgr.games >= 1 then
 385                 menu.last_game = 1
 386                 return gamemgr.games[menu.last_game]
 387         end
 388
 389         --error case!!
 390         return nil
 391 end
 392
 393 --------------------------------------------------------------------------------
 394 function menu.update_last_game()
 395
 396         local current_world = filterlist.get_raw_element(worldlist,
 397                                                         engine.setting_get("mainmenu_last_selected_world")
 398                                                         )
 399
 400         if current_world == nil then
 401                 return
 402         end
 403
 404         for i=1,#gamemgr.games,1 do
 405                 if gamemgr.games[i].id == current_world.gameid then
 406                         menu.last_game = i
 407                         engine.setting_set("main_menu_last_game_idx",menu.last_game)
 408                         break
 409                 end
 410         end
 411 end
 412
 413 --------------------------------------------------------------------------------
 414 function menu.handle_key_up_down(fields,textlist,settingname)
 415
 416         if fields["key_up"] then
 417                 local oldidx = engine.get_textlist_index(textlist)
 418
 419                 if oldidx > 1 then
 420                         local newidx = oldidx -1
 421                         engine.setting_set(settingname,
 422                                 filterlist.get_engine_index(worldlist,newidx))
 423                 end
 424         end
 425
 426         if fields["key_down"] then
 427                 local oldidx = engine.get_textlist_index(textlist)
 428
 429                 if oldidx < filterlist.size(worldlist) then
 430                         local newidx = oldidx + 1
 431                         engine.setting_set(settingname,
 432                                 filterlist.get_engine_index(worldlist,newidx))
 433                 end
 434         end
 435 end
 436
 437
 438 --------------------------------------------------------------------------------
 439 function menubar.handle_buttons(fields)
 440         for i=1,#menubar.buttons,1 do
 441                 if fields[menubar.buttons[i].btn_name] ~= nil then
 442                         menu.last_game = menubar.buttons[i].index
 443                         engine.setting_set("main_menu_last_game_idx",menu.last_game)
 444                         menu.update_gametype()
 445                 end
 446         end
 447 end
 448
 449 --------------------------------------------------------------------------------
 450 function menubar.refresh()
 451         menubar.formspec = "box[-0.3,5.625;12.4,1.3;000000]" ..
 452                                            "box[-0.3,5.6;12.4,0.05;FFFFFF]"
 453         menubar.buttons = {}
 454
 455         local button_base = -0.25
 456
 457         local maxbuttons = #gamemgr.games
 458
 459         if maxbuttons > 10 then
 460                 maxbuttons = 10
 461         end
 462
 463         for i=1,maxbuttons,1 do
 464
 465                 local btn_name = "menubar_btn_" .. gamemgr.games[i].id
 466                 local buttonpos = button_base + (i-1) * 1.245
 467                 if gamemgr.games[i].menuicon_path ~= nil and
 468                         gamemgr.games[i].menuicon_path ~= "" then
 469
 470                         menubar.formspec = menubar.formspec ..
 471                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;"  ..
 472                                 gamemgr.games[i].menuicon_path .. ";" .. btn_name .. ";;true;false]"
 473                 else
 474
 475                         local part1 = gamemgr.games[i].id:sub(1,5)
 476                         local part2 = gamemgr.games[i].id:sub(6,10)
 477                         local part3 = gamemgr.games[i].id:sub(11)
 478
 479                         local text = part1 .. "\n" .. part2
 480                         if part3 ~= nil and
 481                                 part3 ~= "" then
 482                                 text = text .. "\n" .. part3
 483                         end
 484                         menubar.formspec = menubar.formspec ..
 485                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;;" ..btn_name ..
 486                                 ";" .. text .. ";true;true]"
 487                 end
 488
 489                 local toadd = {
 490                         btn_name = btn_name,
 491                         index = i,
 492                 }
 493
 494                 table.insert(menubar.buttons,toadd)
 495         end
 496 end
 497
 498 --------------------------------------------------------------------------------
 499 function tabbuilder.dialog_create_world()
 500         local mapgens = {"v6", "v7", "indev", "singlenode", "math"}
 501
 502         local current_mg = engine.setting_get("mg_name")
 503
 504         local mglist = ""
 505         local selindex = 1
 506         local i = 1
 507         for k,v in pairs(mapgens) do
 508                 if current_mg == v then
 509                         selindex = i
 510                 end
 511                 i = i + 1
 512                 mglist = mglist .. v .. ","
 513         end
 514         mglist = mglist:sub(1, -2)
 515
 516         local retval =
 517                 "label[2,0;World name]"..
 518                 "label[2,1;Mapgen]"..
 519                 "field[4.5,0.4;6,0.5;te_world_name;;]" ..
 520                 "label[2,2;Game]"..
 521                 "button[5,4.5;2.6,0.5;world_create_confirm;Create]" ..
 522                 "button[7.5,4.5;2.8,0.5;world_create_cancel;Cancel]" ..
 523                 "dropdown[4.2,1;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
 524                 "textlist[4.2,1.9;5.8,2.3;games;" ..
 525                 gamemgr.gamelist() ..
 526                 ";" .. menu.last_game .. ";true]"
 527
 528         return retval
 529 end
 530
 531 --------------------------------------------------------------------------------
 532 function tabbuilder.dialog_delete_world()
 533         return  "label[2,2;Delete World \"" .. filterlist.get_raw_list(worldlist)[menu.world_to_del].name .. "\"?]"..
 534                         "button[3.5,4.2;2.6,0.5;world_delete_confirm;Yes]" ..
 535                         "button[6,4.2;2.8,0.5;world_delete_cancel;No]"
 536 end
 537
 538 --------------------------------------------------------------------------------
 539 function tabbuilder.gettab()
 540         local retval = ""
 541
 542         if tabbuilder.show_buttons then
 543                 retval = retval .. tabbuilder.tab_header()
 544         end
 545
 546         if tabbuilder.current_tab == "singleplayer" then
 547                 retval = retval .. tabbuilder.tab_singleplayer()
 548         end
 549
 550         if tabbuilder.current_tab == "multiplayer" then
 551                 retval = retval .. tabbuilder.tab_multiplayer()
 552         end
 553
 554         if tabbuilder.current_tab == "server" then
 555                 retval = retval .. tabbuilder.tab_server()
 556         end
 557
 558         if tabbuilder.current_tab == "settings" then
 559                 retval = retval .. tabbuilder.tab_settings()
 560         end
 561
 562         if tabbuilder.current_tab == "credits" then
 563                 retval = retval .. tabbuilder.tab_credits()
 564         end
 565
 566         if tabbuilder.current_tab == "dialog_create_world" then
 567                 retval = retval .. tabbuilder.dialog_create_world()
 568         end
 569
 570         if tabbuilder.current_tab == "dialog_delete_world" then
 571                 retval = retval .. tabbuilder.dialog_delete_world()
 572         end
 573
 574         retval = retval .. modmgr.gettab(tabbuilder.current_tab)
 575         retval = retval .. gamemgr.gettab(tabbuilder.current_tab)
 576         retval = retval .. modstore.gettab(tabbuilder.current_tab)
 577
 578         return retval
 579 end
 580
 581 --------------------------------------------------------------------------------
 582 function tabbuilder.handle_create_world_buttons(fields)
 583
 584         if fields["world_create_confirm"] or
 585                 fields["key_enter"] then
 586
 587                 local worldname = fields["te_world_name"]
 588                 local gameindex = engine.get_textlist_index("games")
 589
 590                 if gameindex > 0 and
 591                         worldname ~= "" then
 592
 593                         local message = nil
 594
 595                         if not filterlist.uid_exists(worldlist,worldname) then
 596                                 engine.setting_set("mg_name",fields["dd_mapgen"])
 597                                 message = engine.create_world(worldname,gameindex)
 598                         else
 599                                 message = "A world named \"" .. worldname .. "\" already exists"
 600                         end
 601
 602                         if message ~= nil then
 603                                 gamedata.errormessage = message
 604                         else
 605                                 menu.last_game = gameindex
 606                                 engine.setting_set("main_menu_last_game_idx",gameindex)
 607
 608                                 filterlist.refresh(worldlist)
 609                                 engine.setting_set("mainmenu_last_selected_world",
 610                                                                         filterlist.engine_index_by_uid(worldlist,worldname))
 611                         end
 612                 else
 613                         gamedata.errormessage = "No worldname given or no game selected"
 614                 end
 615         end
 616
 617         if fields["games"] then
 618                 tabbuilder.skipformupdate = true
 619                 return
 620         end
 621
 622         --close dialog
 623         tabbuilder.is_dialog = false
 624         tabbuilder.show_buttons = true
 625         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 626 end
 627
 628 --------------------------------------------------------------------------------
 629 function tabbuilder.handle_delete_world_buttons(fields)
 630
 631         if fields["world_delete_confirm"] then
 632                 if menu.world_to_del > 0 and
 633                         menu.world_to_del <= #filterlist.get_raw_list(worldlist) then
 634                         engine.delete_world(menu.world_to_del)
 635                         menu.world_to_del = 0
 636                         filterlist.refresh(worldlist)
 637                 end
 638         end
 639
 640         tabbuilder.is_dialog = false
 641         tabbuilder.show_buttons = true
 642         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 643 end
 644
 645 --------------------------------------------------------------------------------
 646 function tabbuilder.handle_multiplayer_buttons(fields)
 647
 648         if fields["te_name"] ~= nil then
 649                 gamedata.playername = fields["te_name"]
 650                 engine.setting_set("name", fields["te_name"])
 651         end
 652
 653         if fields["favourites"] ~= nil then
 654                 local event = explode_textlist_event(fields["favourites"])
 655                 if event.typ == "DCL" then
 656                         gamedata.address = menu.favorites[event.index].address
 657                         gamedata.port = menu.favorites[event.index].port
 658                         gamedata.playername             = fields["te_name"]
 659                         if fields["te_pwd"] ~= nil then
 660                                 gamedata.password               = fields["te_pwd"]
 661                         end
 662                         gamedata.selected_world = 0
 663
 664                         if menu.favorites ~= nil then
 665                                 gamedata.servername = menu.favorites[event.index].name
 666                                 gamedata.serverdescription = menu.favorites[event.index].description
 667                         end
 668
 669                         if gamedata.address ~= nil and
 670                                 gamedata.port ~= nil then
 671
 672                                 engine.start()
 673                         end
 674                 end
 675
 676                 if event.typ == "CHG" then
 677                         local address = menu.favorites[event.index].address
 678                         local port = menu.favorites[event.index].port
 679
 680                         if address ~= nil and
 681                                 port ~= nil then
 682                                 engine.setting_set("address",address)
 683                                 engine.setting_set("port",port)
 684                         end
 685
 686                         menu.fav_selected = event.index
 687                 end
 688                 return
 689         end
 690
 691         if fields["key_up"] ~= nil or
 692                 fields["key_down"] ~= nil then
 693
 694                 local fav_idx = engine.get_textlist_index("favourites")
 695
 696                 if fields["key_up"] ~= nil and fav_idx > 1 then
 697                         fav_idx = fav_idx -1
 698                 else if fields["key_down"] and fav_idx < #menu.favorites then
 699                         fav_idx = fav_idx +1
 700                 end end
 701
 702                 local address = menu.favorites[fav_idx].address
 703                 local port = menu.favorites[fav_idx].port
 704
 705                 if address ~= nil and
 706                         port ~= nil then
 707                         engine.setting_set("address",address)
 708                         engine.setting_set("port",port)
 709                 end
 710
 711                 menu.fav_selected = fav_idx
 712                 return
 713         end
 714
 715         if fields["cb_public_serverlist"] ~= nil then
 716                 engine.setting_setbool("public_serverlist",
 717                         tabbuilder.tobool(fields["cb_public_serverlist"]))
 718
 719                 if engine.setting_getbool("public_serverlist") then
 720                         menu.favorites = engine.get_favorites("online")
 721                 else
 722                         menu.favorites = engine.get_favorites("local")
 723                 end
 724                 menu.fav_selected = nil
 725                 return
 726         end
 727
 728         if fields["btn_delete_favorite"] ~= nil then
 729                 local current_favourite = engine.get_textlist_index("favourites")
 730                 engine.delete_favorite(current_favourite)
 731                 menu.favorites = engine.get_favorites()
 732                 menu.fav_selected = nil
 733
 734                 engine.setting_set("address","")
 735                 engine.setting_get("port","")
 736
 737                 return
 738         end
 739
 740         if fields["btn_mp_connect"] ~= nil or
 741                 fields["key_enter"] then
 742
 743                 gamedata.playername             = fields["te_name"]
 744                 gamedata.password               = fields["te_pwd"]
 745                 gamedata.address                = fields["te_address"]
 746                 gamedata.port                   = fields["te_port"]
 747
 748                 local fav_idx = engine.get_textlist_index("favourites")
 749
 750                 if fav_idx > 0 and fav_idx <= #menu.favorites and
 751                         menu.favorites[fav_idx].address == fields["te_address"] and
 752                         menu.favorites[fav_idx].port == fields["te_port"] then
 753
 754                         gamedata.servername                     = menu.favorites[fav_idx].name
 755                         gamedata.serverdescription      = menu.favorites[fav_idx].description
 756                 else
 757                         gamedata.servername = ""
 758                         gamedata.serverdescription = ""
 759                 end
 760
 761                 gamedata.selected_world = 0
 762
 763                 engine.start()
 764                 return
 765         end
 766 end
 767
 768 --------------------------------------------------------------------------------
 769 function tabbuilder.handle_server_buttons(fields)
 770
 771         local world_doubleclick = false
 772
 773         if fields["srv_worlds"] ~= nil then
 774                 local event = explode_textlist_event(fields["srv_worlds"])
 775
 776                 if event.typ == "DCL" then
 777                         world_doubleclick = true
 778                 end
 779                 if event.typ == "CHG" then
 780                         engine.setting_set("mainmenu_last_selected_world",
 781                                 filterlist.get_engine_index(worldlist,engine.get_textlist_index("srv_worlds")))
 782                 end
 783         end
 784
 785         menu.handle_key_up_down(fields,"srv_worlds","mainmenu_last_selected_world")
 786
 787         if fields["cb_creative_mode"] then
 788                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 789         end
 790
 791         if fields["cb_enable_damage"] then
 792                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 793         end
 794
 795         if fields["cb_server_announce"] then
 796                 engine.setting_setbool("server_announce",tabbuilder.tobool(fields["cb_server_announce"]))
 797         end
 798
 799         if fields["start_server"] ~= nil or
 800                 world_doubleclick or
 801                 fields["key_enter"] then
 802                 local selected = engine.get_textlist_index("srv_worlds")
 803                 if selected > 0 then
 804                         gamedata.playername             = fields["te_playername"]
 805                         gamedata.password               = fields["te_passwd"]
 806                         gamedata.port                   = fields["te_serverport"]
 807                         gamedata.address                = ""
 808                         gamedata.selected_world = filterlist.get_engine_index(worldlist,selected)
 809
 810                         menu.update_last_game(gamedata.selected_world)
 811                         engine.start()
 812                 end
 813         end
 814
 815         if fields["world_create"] ~= nil then
 816                 tabbuilder.current_tab = "dialog_create_world"
 817                 tabbuilder.is_dialog = true
 818                 tabbuilder.show_buttons = false
 819         end
 820
 821         if fields["world_delete"] ~= nil then
 822                 local selected = engine.get_textlist_index("srv_worlds")
 823                 if selected > 0 and
 824                         selected <= filterlist.size(worldlist) then
 825                         local world = filterlist.get_list(worldlist)[selected]
 826                         if world ~= nil and
 827                                 world.name ~= nil and
 828                                 world.name ~= "" then
 829                                 menu.world_to_del = filterlist.get_engine_index(worldlist,selected)
 830                                 tabbuilder.current_tab = "dialog_delete_world"
 831                                 tabbuilder.is_dialog = true
 832                                 tabbuilder.show_buttons = false
 833                         else
 834                                 menu.world_to_del = 0
 835                         end
 836                 end
 837         end
 838
 839         if fields["world_configure"] ~= nil then
 840                 selected = engine.get_textlist_index("srv_worlds")
 841                 if selected > 0 then
 842                         modmgr.world_config_selected_world = filterlist.get_engine_index(worldlist,selected)
 843                         if modmgr.init_worldconfig() then
 844                                 tabbuilder.current_tab = "dialog_configure_world"
 845                                 tabbuilder.is_dialog = true
 846                                 tabbuilder.show_buttons = false
 847                         end
 848                 end
 849         end
 850 end
 851
 852 --------------------------------------------------------------------------------
 853 function tabbuilder.tobool(text)
 854         if text == "true" then
 855                 return true
 856         else
 857                 return false
 858         end
 859 end
 860
 861 --------------------------------------------------------------------------------
 862 function tabbuilder.handle_settings_buttons(fields)
 863         if fields["cb_fancy_trees"] then
 864                 engine.setting_setbool("new_style_leaves",tabbuilder.tobool(fields["cb_fancy_trees"]))
 865         end
 866
 867         if fields["cb_smooth_lighting"] then
 868                 engine.setting_setbool("smooth_lighting",tabbuilder.tobool(fields["cb_smooth_lighting"]))
 869         end
 870         if fields["cb_3d_clouds"] then
 871                 engine.setting_setbool("enable_3d_clouds",tabbuilder.tobool(fields["cb_3d_clouds"]))
 872         end
 873         if fields["cb_opaque_water"] then
 874                 engine.setting_setbool("opaque_water",tabbuilder.tobool(fields["cb_opaque_water"]))
 875         end
 876
 877         if fields["cb_mipmapping"] then
 878                 engine.setting_setbool("mip_map",tabbuilder.tobool(fields["cb_mipmapping"]))
 879         end
 880         if fields["cb_anisotrophic"] then
 881                 engine.setting_setbool("anisotropic_filter",tabbuilder.tobool(fields["cb_anisotrophic"]))
 882         end
 883         if fields["cb_bilinear"] then
 884                 engine.setting_setbool("bilinear_filter",tabbuilder.tobool(fields["cb_bilinear"]))
 885         end
 886         if fields["cb_trilinear"] then
 887                 engine.setting_setbool("trilinear_filter",tabbuilder.tobool(fields["cb_trilinear"]))
 888         end
 889
 890         if fields["cb_shaders"] then
 891                 engine.setting_setbool("enable_shaders",tabbuilder.tobool(fields["cb_shaders"]))
 892         end
 893         if fields["cb_pre_ivis"] then
 894                 engine.setting_setbool("preload_item_visuals",tabbuilder.tobool(fields["cb_pre_ivis"]))
 895         end
 896         if fields["cb_particles"] then
 897                 engine.setting_setbool("enable_particles",tabbuilder.tobool(fields["cb_particles"]))
 898         end
 899         if fields["cb_finite_liquid"] then
 900                 engine.setting_setbool("liquid_finite",tabbuilder.tobool(fields["cb_finite_liquid"]))
 901         end
 902
 903         if fields["btn_change_keys"] ~= nil then
 904                 engine.show_keys_menu()
 905         end
 906 end
 907
 908 --------------------------------------------------------------------------------
 909 function tabbuilder.handle_singleplayer_buttons(fields)
 910
 911         local world_doubleclick = false
 912
 913         if fields["sp_worlds"] ~= nil then
 914                 local event = explode_textlist_event(fields["sp_worlds"])
 915
 916                 if event.typ == "DCL" then
 917                         world_doubleclick = true
 918                 end
 919
 920                 if event.typ == "CHG" then
 921                         engine.setting_set("mainmenu_last_selected_world",
 922                                 filterlist.get_engine_index(worldlist,engine.get_textlist_index("sp_worlds")))
 923                 end
 924         end
 925
 926         menu.handle_key_up_down(fields,"sp_worlds","mainmenu_last_selected_world")
 927
 928         if fields["cb_creative_mode"] then
 929                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 930         end
 931
 932         if fields["cb_enable_damage"] then
 933                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 934         end
 935
 936         if fields["play"] ~= nil or
 937                 world_doubleclick or
 938                 fields["key_enter"] then
 939                 local selected = engine.get_textlist_index("sp_worlds")
 940                 if selected > 0 then
 941                         gamedata.selected_world = filterlist.get_engine_index(worldlist,selected)
 942                         gamedata.singleplayer   = true
 943
 944                         menu.update_last_game(gamedata.selected_world)
 945
 946                         engine.start()
 947                 end
 948         end
 949
 950         if fields["world_create"] ~= nil then
 951                 tabbuilder.current_tab = "dialog_create_world"
 952                 tabbuilder.is_dialog = true
 953                 tabbuilder.show_buttons = false
 954         end
 955
 956         if fields["world_delete"] ~= nil then
 957                 local selected = engine.get_textlist_index("sp_worlds")
 958                 if selected > 0 and
 959                         selected <= filterlist.size(worldlist) then
 960                         local world = filterlist.get_list(worldlist)[selected]
 961                         if world ~= nil and
 962                                 world.name ~= nil and
 963                                 world.name ~= "" then
 964                                 menu.world_to_del = filterlist.get_engine_index(worldlist,selected)
 965                                 tabbuilder.current_tab = "dialog_delete_world"
 966                                 tabbuilder.is_dialog = true
 967                                 tabbuilder.show_buttons = false
 968                         else
 969                                 menu.world_to_del = 0
 970                         end
 971                 end
 972         end
 973
 974         if fields["world_configure"] ~= nil then
 975                 selected = engine.get_textlist_index("sp_worlds")
 976                 if selected > 0 then
 977                         modmgr.world_config_selected_world = filterlist.get_engine_index(worldlist,selected)
 978                         if modmgr.init_worldconfig() then
 979                                 tabbuilder.current_tab = "dialog_configure_world"
 980                                 tabbuilder.is_dialog = true
 981                                 tabbuilder.show_buttons = false
 982                         end
 983                 end
 984         end
 985 end
 986
 987 --------------------------------------------------------------------------------
 988 function tabbuilder.tab_header()
 989
 990         if tabbuilder.last_tab_index == nil then
 991                 tabbuilder.last_tab_index = 1
 992         end
 993
 994         local toadd = ""
 995
 996         for i=1,#tabbuilder.current_buttons,1 do
 997
 998                 if toadd ~= "" then
 999                         toadd = toadd .. ","
1000                 end
1001
1002                 toadd = toadd .. tabbuilder.current_buttons[i].caption
1003         end
1004         return "tabheader[-0.3,-0.99;main_tab;" .. toadd ..";" .. tabbuilder.last_tab_index .. ";true;false]"
1005 end
1006
1007 --------------------------------------------------------------------------------
1008 function tabbuilder.handle_tab_buttons(fields)
1009
1010         if fields["main_tab"] then
1011                 local index = tonumber(fields["main_tab"])
1012                 tabbuilder.last_tab_index = index
1013                 tabbuilder.current_tab = tabbuilder.current_buttons[index].name
1014
1015                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1016         end
1017
1018         --handle tab changes
1019         if tabbuilder.current_tab ~= tabbuilder.old_tab then
1020                 if tabbuilder.current_tab ~= "singleplayer" then
1021                         menu.reset_gametype()
1022                 end
1023         end
1024
1025         if tabbuilder.current_tab == "singleplayer" then
1026                 menu.update_gametype()
1027         end
1028
1029         tabbuilder.old_tab = tabbuilder.current_tab
1030 end
1031
1032 --------------------------------------------------------------------------------
1033 function tabbuilder.init()
1034         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1035
1036         if tabbuilder.current_tab == nil or
1037                 tabbuilder.current_tab == "" then
1038                 tabbuilder.current_tab = "singleplayer"
1039                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1040         end
1041
1042
1043         --initialize tab buttons
1044         tabbuilder.last_tab = nil
1045         tabbuilder.show_buttons = true
1046
1047         tabbuilder.current_buttons = {}
1048         table.insert(tabbuilder.current_buttons,{name="singleplayer", caption="Singleplayer"})
1049         table.insert(tabbuilder.current_buttons,{name="multiplayer", caption="Client"})
1050         table.insert(tabbuilder.current_buttons,{name="server", caption="Server"})
1051         table.insert(tabbuilder.current_buttons,{name="settings", caption="Settings"})
1052
1053         if engine.setting_getbool("main_menu_game_mgr") then
1054                 table.insert(tabbuilder.current_buttons,{name="game_mgr", caption="Games"})
1055         end
1056
1057         if engine.setting_getbool("main_menu_mod_mgr") then
1058                 table.insert(tabbuilder.current_buttons,{name="mod_mgr", caption="Mods"})
1059         end
1060         table.insert(tabbuilder.current_buttons,{name="credits", caption="Credits"})
1061
1062
1063         for i=1,#tabbuilder.current_buttons,1 do
1064                 if tabbuilder.current_buttons[i].name == tabbuilder.current_tab then
1065                         tabbuilder.last_tab_index = i
1066                 end
1067         end
1068
1069         menu.update_gametype()
1070 end
1071
1072 --------------------------------------------------------------------------------
1073 function tabbuilder.tab_multiplayer()
1074
1075         local retval =
1076                 "vertlabel[0,-0.25;CLIENT]" ..
1077                 "label[1,-0.25;Favorites:]"..
1078                 "label[1,4.25;Address/Port]"..
1079                 "label[9,2.75;Name/Password]" ..
1080                 "field[1.25,5.25;5.5,0.5;te_address;;" ..engine.setting_get("address") .."]" ..
1081                 "field[6.75,5.25;2.25,0.5;te_port;;" ..engine.setting_get("port") .."]" ..
1082                 "checkbox[1,3.6;cb_public_serverlist;Public Serverlist;" ..
1083                 dump(engine.setting_getbool("public_serverlist")) .. "]"
1084
1085         if not engine.setting_getbool("public_serverlist") then
1086                 retval = retval ..
1087                 "button[6.45,3.95;2.25,0.5;btn_delete_favorite;Delete]"
1088         end
1089
1090         retval = retval ..
1091                 "button[9,4.95;2.5,0.5;btn_mp_connect;Connect]" ..
1092                 "field[9.3,3.75;2.5,0.5;te_name;;" ..engine.setting_get("name") .."]" ..
1093                 "pwdfield[9.3,4.5;2.5,0.5;te_pwd;]" ..
1094                 "textarea[9.3,0.25;2.5,2.75;;"
1095         if menu.fav_selected ~= nil and
1096                 menu.favorites[menu.fav_selected].description ~= nil then
1097                 retval = retval ..
1098                         fs_escape_string(menu.favorites[menu.fav_selected].description,true)
1099         end
1100
1101         retval = retval ..
1102                 ";]" ..
1103                 "textlist[1,0.35;7.5,3.35;favourites;"
1104
1105         local render_details = engine.setting_getbool("public_serverlist")
1106
1107         if #menu.favorites > 0 then
1108                 retval = retval .. render_favourite(menu.favorites[1],render_details)
1109
1110                 for i=2,#menu.favorites,1 do
1111                         retval = retval .. "," .. render_favourite(menu.favorites[i],render_details)
1112                 end
1113         end
1114
1115         if menu.fav_selected ~= nil then
1116                 retval = retval .. ";" .. menu.fav_selected .. "]"
1117         else
1118                 retval = retval .. ";0]"
1119         end
1120
1121         return retval
1122 end
1123
1124 --------------------------------------------------------------------------------
1125 function tabbuilder.tab_server()
1126
1127         local index = filterlist.get_current_index(worldlist,
1128                                 tonumber(engine.setting_get("mainmenu_last_selected_world"))
1129                                 )
1130
1131         local retval =
1132                 "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1133                 "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1134                 "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1135                 "button[8.5,4.9;3.25,0.5;start_server;Start Game]" ..
1136                 "label[4,-0.25;Select World:]"..
1137                 "vertlabel[0,-0.25;START SERVER]" ..
1138                 "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1139                 dump(engine.setting_getbool("creative_mode")) .. "]"..
1140                 "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1141                 dump(engine.setting_getbool("enable_damage")) .. "]"..
1142                 "checkbox[0.5,1.15;cb_server_announce;Public;" ..
1143                 dump(engine.setting_getbool("server_announce")) .. "]"..
1144                 "field[0.8,3.2;3,0.5;te_playername;Name;" ..
1145                 engine.setting_get("name") .. "]" ..
1146                 "pwdfield[0.8,4.2;3,0.5;te_passwd;Password]" ..
1147                 "field[0.8,5.2;3,0.5;te_serverport;Server Port;30000]" ..
1148                 "textlist[4,0.25;7.5,3.7;srv_worlds;" ..
1149                 menu.render_world_list() ..
1150                 ";" .. index .. "]"
1151
1152         return retval
1153 end
1154
1155 --------------------------------------------------------------------------------
1156 function tabbuilder.tab_settings()
1157         return  "vertlabel[0,0;SETTINGS]" ..
1158                         "checkbox[1,0.75;cb_fancy_trees;Fancy trees;"           .. dump(engine.setting_getbool("new_style_leaves"))     .. "]"..
1159                         "checkbox[1,1.25;cb_smooth_lighting;Smooth Lighting;".. dump(engine.setting_getbool("smooth_lighting")) .. "]"..
1160                         "checkbox[1,1.75;cb_3d_clouds;3D Clouds;"                       .. dump(engine.setting_getbool("enable_3d_clouds"))     .. "]"..
1161                         "checkbox[1,2.25;cb_opaque_water;Opaque Water;"                 .. dump(engine.setting_getbool("opaque_water"))         .. "]"..
1162
1163                         "checkbox[4,0.75;cb_mipmapping;Mip-Mapping;"            .. dump(engine.setting_getbool("mip_map"))                      .. "]"..
1164                         "checkbox[4,1.25;cb_anisotrophic;Anisotropic Filtering;".. dump(engine.setting_getbool("anisotropic_filter"))   .. "]"..
1165                         "checkbox[4,1.75;cb_bilinear;Bi-Linear Filtering;"      .. dump(engine.setting_getbool("bilinear_filter"))      .. "]"..
1166                         "checkbox[4,2.25;cb_trilinear;Tri-Linear Filtering;"    .. dump(engine.setting_getbool("trilinear_filter"))     .. "]"..
1167
1168                         "checkbox[7.5,0.75;cb_shaders;Shaders;"                         .. dump(engine.setting_getbool("enable_shaders"))               .. "]"..
1169                         "checkbox[7.5,1.25;cb_pre_ivis;Preload item visuals;".. dump(engine.setting_getbool("preload_item_visuals"))    .. "]"..
1170                         "checkbox[7.5,1.75;cb_particles;Enable Particles;"      .. dump(engine.setting_getbool("enable_particles"))     .. "]"..
1171                         "checkbox[7.5,2.25;cb_finite_liquid;Finite Liquid;"     .. dump(engine.setting_getbool("liquid_finite"))                .. "]"..
1172
1173                         "button[1,3.75;2.25,0.5;btn_change_keys;Change keys]"
1174 end
1175
1176 --------------------------------------------------------------------------------
1177 function tabbuilder.tab_singleplayer()
1178
1179         local index = filterlist.get_current_index(worldlist,
1180                                 tonumber(engine.setting_get("mainmenu_last_selected_world"))
1181                                 )
1182
1183         return  "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1184                         "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1185                         "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1186                         "button[8.5,4.95;3.25,0.5;play;Play]" ..
1187                         "label[4,-0.25;Select World:]"..
1188                         "vertlabel[0,-0.25;SINGLE PLAYER]" ..
1189                         "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1190                         dump(engine.setting_getbool("creative_mode")) .. "]"..
1191                         "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1192                         dump(engine.setting_getbool("enable_damage")) .. "]"..
1193                         "textlist[4,0.25;7.5,3.7;sp_worlds;" ..
1194                         menu.render_world_list() ..
1195                         ";" .. index .. "]" ..
1196                         menubar.formspec
1197 end
1198
1199 --------------------------------------------------------------------------------
1200 function tabbuilder.tab_credits()
1201         return  "vertlabel[0,-0.5;CREDITS]" ..
1202                         "label[0.5,3;Minetest " .. engine.get_version() .. "]" ..
1203                         "label[0.5,3.3;http://minetest.net]" ..
1204                         "image[0.5,1;" .. menu.defaulttexturedir .. "logo.png]" ..
1205                         "textlist[3.5,-0.25;8.5,5.8;list_credits;" ..
1206                         "#FFFF00Core Developers," ..
1207                         "Perttu Ahola (celeron55) <celeron55@gmail.com>,"..
1208                         "Ryan Kwolek (kwolekr) <kwolekr@minetest.net>,"..
1209                         "PilzAdam <pilzadam@minetest.net>," ..
1210                         "IIya Zhuravlev (thexyz) <xyz@minetest.net>,"..
1211                         "Lisa Milne (darkrose) <lisa@ltmnet.com>,"..
1212                         "Maciej Kasatkin (RealBadAngel) <mk@realbadangel.pl>,"..
1213                         "proller <proler@gmail.com>,"..
1214                         "sfan5 <sfan5@live.de>,"..
1215                         "kahrl <kahrl@gmx.net>,"..
1216                         ","..
1217                         "#FFFF00Active Contributors," ..
1218                         "sapier,"..
1219                         "Vanessa Ezekowitz (VanessaE) <vanessaezekowitz@gmail.com>,"..
1220                         "Jurgen Doser (doserj) <jurgen.doser@gmail.com>,"..
1221                         "Jeija <jeija@mesecons.net>,"..
1222                         "MirceaKitsune <mirceakitsune@gmail.com>,"..
1223                         "ShadowNinja,"..
1224                         "dannydark <the_skeleton_of_a_child@yahoo.co.uk>,"..
1225                         "0gb.us <0gb.us@0gb.us>,"..
1226                         "," ..
1227                         "#FFFF00Previous Contributors," ..
1228                         "Guiseppe Bilotta (Oblomov) <guiseppe.bilotta@gmail.com>,"..
1229                         "Jonathan Neuschafer <j.neuschaefer@gmx.net>,"..
1230                         "Nils Dagsson Moskopp (erlehmann) <nils@dieweltistgarnichtso.net>,"..
1231                         "Constantin Wenger (SpeedProg) <constantin.wenger@googlemail.com>,"..
1232                         "matttpt <matttpt@gmail.com>,"..
1233                         "JacobF <queatz@gmail.com>,"..
1234                         ";0;true]"
1235 end
1236
1237 --------------------------------------------------------------------------------
1238 function tabbuilder.checkretval(retval)
1239
1240         if retval ~= nil then
1241                 if retval.current_tab ~= nil then
1242                         tabbuilder.current_tab = retval.current_tab
1243                 end
1244
1245                 if retval.is_dialog ~= nil then
1246                         tabbuilder.is_dialog = retval.is_dialog
1247                 end
1248
1249                 if retval.show_buttons ~= nil then
1250                         tabbuilder.show_buttons = retval.show_buttons
1251                 end
1252
1253                 if retval.skipformupdate ~= nil then
1254                         tabbuilder.skipformupdate = retval.skipformupdate
1255                 end
1256         end
1257 end
1258
1259 --------------------------------------------------------------------------------
1260 --------------------------------------------------------------------------------
1261 -- initialize callbacks
1262 --------------------------------------------------------------------------------
1263 --------------------------------------------------------------------------------
1264 engine.button_handler = function(fields)
1265         --print("Buttonhandler: tab: " .. tabbuilder.current_tab .. " fields: " .. dump(fields))
1266
1267         if fields["btn_error_confirm"] then
1268                 gamedata.errormessage = nil
1269         end
1270
1271         local retval = modmgr.handle_buttons(tabbuilder.current_tab,fields)
1272         tabbuilder.checkretval(retval)
1273
1274         retval = gamemgr.handle_buttons(tabbuilder.current_tab,fields)
1275         tabbuilder.checkretval(retval)
1276
1277         retval = modstore.handle_buttons(tabbuilder.current_tab,fields)
1278         tabbuilder.checkretval(retval)
1279
1280         if tabbuilder.current_tab == "dialog_create_world" then
1281                 tabbuilder.handle_create_world_buttons(fields)
1282         end
1283
1284         if tabbuilder.current_tab == "dialog_delete_world" then
1285                 tabbuilder.handle_delete_world_buttons(fields)
1286         end
1287
1288         if tabbuilder.current_tab == "singleplayer" then
1289                 tabbuilder.handle_singleplayer_buttons(fields)
1290         end
1291
1292         if tabbuilder.current_tab == "multiplayer" then
1293                 tabbuilder.handle_multiplayer_buttons(fields)
1294         end
1295
1296         if tabbuilder.current_tab == "settings" then
1297                 tabbuilder.handle_settings_buttons(fields)
1298         end
1299
1300         if tabbuilder.current_tab == "server" then
1301                 tabbuilder.handle_server_buttons(fields)
1302         end
1303
1304         --tab buttons
1305         tabbuilder.handle_tab_buttons(fields)
1306
1307         --menubar buttons
1308         menubar.handle_buttons(fields)
1309
1310         if not tabbuilder.skipformupdate then
1311                 --update menu
1312                 update_menu()
1313         else
1314                 tabbuilder.skipformupdate = false
1315         end
1316 end
1317
1318 --------------------------------------------------------------------------------
1319 engine.event_handler = function(event)
1320         if event == "MenuQuit" then
1321                 if tabbuilder.is_dialog then
1322                         tabbuilder.is_dialog = false
1323                         tabbuilder.show_buttons = true
1324                         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1325                         menu.update_gametype()
1326                         update_menu()
1327                 else
1328                         engine.close()
1329                 end
1330         end
1331 end
1332
1333 --------------------------------------------------------------------------------
1334 --------------------------------------------------------------------------------
1335 -- menu startup
1336 --------------------------------------------------------------------------------
1337 --------------------------------------------------------------------------------
1338 init_globals()
1339 menu.init()
1340 tabbuilder.init()
1341 menubar.refresh()
1342 modstore.init()
1343
1344 update_menu()