builtin/mainmenu.lua

   1 os.setlocale("C", "numeric")
   2
   3 local scriptpath = engine.get_scriptdir()
   4
   5 mt_color_grey  = "#AAAAAA"
   6 mt_color_blue  = "#0000DD"
   7 mt_color_green = "#00DD00"
   8 mt_color_dark_green = "#003300"
   9
  10 dofile(scriptpath .. DIR_DELIM .. "filterlist.lua")
  11 dofile(scriptpath .. DIR_DELIM .. "modmgr.lua")
  12 dofile(scriptpath .. DIR_DELIM .. "modstore.lua")
  13 dofile(scriptpath .. DIR_DELIM .. "gamemgr.lua")
  14
  15 local menu = {}
  16 local tabbuilder = {}
  17 local menubar = {}
  18 local worldlist = nil
  19
  20 --------------------------------------------------------------------------------
  21 function render_favourite(spec,render_details)
  22         local text = ""
  23
  24         if spec.name ~= nil then
  25                 text = text .. fs_escape_string(spec.name:trim())
  26
  27 --              if spec.description ~= nil and
  28 --                      fs_escape_string(spec.description):trim() ~= "" then
  29 --                      text = text .. " (" .. fs_escape_string(spec.description) .. ")"
  30 --              end
  31         else
  32                 if spec.address ~= nil then
  33                         text = text .. spec.address:trim()
  34                 end
  35         end
  36
  37         if spec.port ~= nil and
  38                 spec.port ~= 30000 then
  39
  40                 text = text .. ":" .. spec.port
  41         end
  42
  43         if not render_details then
  44                 return text
  45         end
  46
  47         local details = ""
  48         if spec.password == true then
  49                 details = details .. "*"
  50         else
  51                 details = details .. "_"
  52         end
  53
  54         if spec.creative then
  55                 details = details .. "C"
  56         else
  57                 details = details .. "_"
  58         end
  59
  60         if spec.damage then
  61                 details = details .. "D"
  62         else
  63                 details = details .. "_"
  64         end
  65
  66         if spec.pvp then
  67                 details = details .. "P"
  68         else
  69                 details = details .. "_"
  70         end
  71         details = details .. "  "
  72
  73         return fs_escape_string(details) .. text
  74 end
  75
  76 --------------------------------------------------------------------------------
  77 os.tempfolder = function()
  78         local filetocheck = os.tmpname()
  79         os.remove(filetocheck)
  80
  81         local randname = "MTTempModFolder_" .. math.random(0,10000)
  82         if DIR_DELIM == "\\" then
  83                 local tempfolder = os.getenv("TEMP")
  84                 return tempfolder .. filetocheck
  85         else
  86                 local backstring = filetocheck:reverse()
  87                 return filetocheck:sub(0,filetocheck:len()-backstring:find(DIR_DELIM)+1) ..randname
  88         end
  89
  90 end
  91
  92 --------------------------------------------------------------------------------
  93 function cleanup_path(temppath)
  94
  95         local parts = temppath:split("-")
  96         temppath = ""
  97         for i=1,#parts,1 do
  98                 if temppath ~= "" then
  99                         temppath = temppath .. "_"
 100                 end
 101                 temppath = temppath .. parts[i]
 102         end
 103
 104         parts = temppath:split(".")
 105         temppath = ""
 106         for i=1,#parts,1 do
 107                 if temppath ~= "" then
 108                         temppath = temppath .. "_"
 109                 end
 110                 temppath = temppath .. parts[i]
 111         end
 112
 113         parts = temppath:split("'")
 114         temppath = ""
 115         for i=1,#parts,1 do
 116                 if temppath ~= "" then
 117                         temppath = temppath .. ""
 118                 end
 119                 temppath = temppath .. parts[i]
 120         end
 121
 122         parts = temppath:split(" ")
 123         temppath = ""
 124         for i=1,#parts,1 do
 125                 if temppath ~= "" then
 126                         temppath = temppath
 127                 end
 128                 temppath = temppath .. parts[i]
 129         end
 130
 131         return temppath
 132 end
 133
 134 --------------------------------------------------------------------------------
 135
 136 function menu.set_texture(identifier,gamedetails)
 137         local texture_set = false
 138         if menu.texturepack ~= nil and gamedetails ~= nil then
 139                 local path = menu.basetexturedir ..
 140                                                 gamedetails.id .. "_menu_" .. identifier .. ".png"
 141
 142                 if engine.set_background(identifier,path) then
 143                         texture_set = true
 144                 end
 145         end
 146
 147         if not texture_set and gamedetails ~= nil then
 148                 local path = gamedetails.path .. DIR_DELIM .."menu" ..
 149                                                                          DIR_DELIM .. identifier .. ".png"
 150                 if engine.set_background(identifier,path) then
 151                         texture_set = true
 152                 end
 153         end
 154
 155         if not texture_set then
 156                 local path = menu.basetexturedir .. DIR_DELIM .."menu_" ..
 157                                                                                 identifier .. ".png"
 158                 if engine.set_background(identifier,path) then
 159                         texture_set = true
 160                 end
 161         end
 162
 163         if not texture_set then
 164                 local path = menu.defaulttexturedir .. DIR_DELIM .."menu_" ..
 165                                                                                 identifier .. ".png"
 166                 engine.set_background(identifier,path)
 167         end
 168 end
 169
 170 --------------------------------------------------------------------------------
 171 function menu.update_gametype()
 172
 173
 174
 175         if (menu.game_last_check == nil or
 176                 menu.game_last_check ~= menu.last_game) and
 177                 tabbuilder.current_tab == "singleplayer" then
 178
 179                 local gamedetails = menu.lastgame()
 180                 engine.set_topleft_text(gamedetails.name)
 181                 filterlist.set_filtercriteria(worldlist,gamedetails.id)
 182
 183                 --background
 184                 local background_set = false
 185                 if menu.texturepack ~= nil then
 186                         local path_background_texture = menu.basetexturedir ..
 187                                                                                 gamedetails.id .. "_menu_background.png"
 188
 189                         if engine.set_background("background",path_background_texture) then
 190                                 background_set = true
 191                                 engine.set_clouds(false)
 192                         end
 193                 end
 194
 195                 if not background_set then
 196                         local path_background_texture = gamedetails.path .. DIR_DELIM .."menu" ..
 197                                                                                  DIR_DELIM .. "background.png"
 198                         if engine.set_background("background",path_background_texture) then
 199                                 background_set = true
 200                                 engine.set_clouds(false)
 201                         end
 202                 end
 203
 204                 if not background_set then
 205                         engine.set_clouds(true)
 206                 end
 207
 208                 menu.set_texture("overlay",gamedetails)
 209                 menu.set_texture("header",gamedetails)
 210                 menu.set_texture("footer",gamedetails)
 211
 212                 menu.game_last_check = menu.last_game
 213         else
 214                 if menu.game_last_check ~= menu.last_game then
 215                         menu.game_last_check = menu.last_game
 216                         menu.reset_gametype()
 217                 end
 218         end
 219 end
 220
 221 --------------------------------------------------------------------------------
 222 function menu.reset_gametype()
 223         filterlist.set_filtercriteria(worldlist,nil)
 224         menu.game_last_check = nil
 225
 226         local path_background_texture = menu.basetexturedir .. "menu_background.png"
 227
 228         if engine.set_background("background",path_background_texture) then
 229                 background_set = true
 230                 engine.set_clouds(false)
 231         else
 232                 engine.set_clouds(true)
 233         end
 234
 235         menu.set_texture("overlay",nil)
 236         menu.set_texture("header",nil)
 237         menu.set_texture("footer",nil)
 238         engine.set_topleft_text("")
 239 end
 240
 241 --------------------------------------------------------------------------------
 242 function get_last_folder(text,count)
 243         local parts = text:split(DIR_DELIM)
 244
 245         if count == nil then
 246                 return parts[#parts]
 247         end
 248
 249         local retval = ""
 250         for i=1,count,1 do
 251                 retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM
 252         end
 253
 254         return retval
 255 end
 256
 257 --------------------------------------------------------------------------------
 258 function init_globals()
 259         --init gamedata
 260         gamedata.worldindex = 0
 261
 262         worldlist = filterlist.create(
 263                                         engine.get_worlds,
 264                                         compare_worlds,
 265                                         function(element,uid)
 266                                                 if element.name == uid then
 267                                                         return true
 268                                                 end
 269                                                 return false
 270                                         end, --unique id compare fct
 271                                         function(element,gameid)
 272                                                 if element.gameid == gameid then
 273                                                         return true
 274                                                 end
 275                                                 return false
 276                                         end --filter fct
 277                                         )
 278
 279         filterlist.add_sort_mechanism(worldlist,"alphabetic",sort_worlds_alphabetic)
 280         filterlist.set_sortmode(worldlist,"alphabetic")
 281
 282 end
 283
 284 --------------------------------------------------------------------------------
 285 function identify_filetype(name)
 286
 287         if name:sub(-3):lower() == "zip" then
 288                 return {
 289                                 name = name,
 290                                 type = "zip"
 291                                 }
 292         end
 293
 294         if name:sub(-6):lower() == "tar.gz" or
 295                 name:sub(-3):lower() == "tgz"then
 296                 return {
 297                                 name = name,
 298                                 type = "tgz"
 299                                 }
 300         end
 301
 302         if name:sub(-6):lower() == "tar.bz2" then
 303                 return {
 304                                 name = name,
 305                                 type = "tbz"
 306                                 }
 307         end
 308
 309         if name:sub(-2):lower() == "7z" then
 310                 return {
 311                                 name = name,
 312                                 type = "7z"
 313                                 }
 314         end
 315
 316         return {
 317                 name = name,
 318                 type = "ukn"
 319         }
 320 end
 321
 322 --------------------------------------------------------------------------------
 323 function update_menu()
 324
 325         local formspec = "size[12,5.2]"
 326
 327         -- handle errors
 328         if gamedata.errormessage ~= nil then
 329                 formspec = formspec ..
 330                         "field[1,2;10,2;;ERROR: " ..
 331                         gamedata.errormessage ..
 332                         ";]"..
 333                         "button[4.5,4.2;3,0.5;btn_error_confirm;Ok]"
 334         else
 335                 formspec = formspec .. tabbuilder.gettab()
 336         end
 337
 338         engine.update_formspec(formspec)
 339 end
 340
 341 --------------------------------------------------------------------------------
 342 function menu.render_world_list()
 343         local retval = ""
 344
 345         local current_worldlist = filterlist.get_list(worldlist)
 346
 347         for i,v in ipairs(current_worldlist) do
 348                 if retval ~= "" then
 349                         retval = retval ..","
 350                 end
 351
 352                 retval = retval .. v.name ..
 353                                         " \\[" .. v.gameid .. "\\]"
 354         end
 355
 356         return retval
 357 end
 358
 359 --------------------------------------------------------------------------------
 360 function menu.init()
 361         --init menu data
 362         gamemgr.update_gamelist()
 363
 364         menu.last_game  = tonumber(engine.setting_get("main_menu_last_game_idx"))
 365
 366         if type(menu.last_game) ~= "number" then
 367                 menu.last_game = 1
 368         end
 369
 370         if engine.setting_getbool("public_serverlist") then
 371                 menu.favorites = engine.get_favorites("online")
 372         else
 373                 menu.favorites = engine.get_favorites("local")
 374         end
 375
 376
 377         menu.defaulttexturedir = engine.get_gamepath() .. DIR_DELIM .. ".." ..
 378                                                 DIR_DELIM .. "textures" .. DIR_DELIM .. "base" ..
 379                                                 DIR_DELIM .. "pack" .. DIR_DELIM
 380         menu.basetexturedir = menu.defaulttexturedir
 381
 382         menu.texturepack = engine.setting_get("texture_path")
 383
 384         if menu.texturepack ~= nil then
 385                 menu.basetexturedir = menu.texturepack .. DIR_DELIM
 386         end
 387 end
 388
 389 --------------------------------------------------------------------------------
 390 function menu.lastgame()
 391         if menu.last_game > 0 and menu.last_game <= #gamemgr.games then
 392                 return gamemgr.games[menu.last_game]
 393         end
 394
 395         if #gamemgr.games >= 1 then
 396                 menu.last_game = 1
 397                 return gamemgr.games[menu.last_game]
 398         end
 399
 400         --error case!!
 401         return nil
 402 end
 403
 404 --------------------------------------------------------------------------------
 405 function menu.update_last_game()
 406
 407         local current_world = filterlist.get_raw_element(worldlist,
 408                                                         engine.setting_get("mainmenu_last_selected_world")
 409                                                         )
 410
 411         if current_world == nil then
 412                 return
 413         end
 414
 415         for i=1,#gamemgr.games,1 do
 416                 if gamemgr.games[i].id == current_world.gameid then
 417                         menu.last_game = i
 418                         engine.setting_set("main_menu_last_game_idx",menu.last_game)
 419                         break
 420                 end
 421         end
 422 end
 423
 424 --------------------------------------------------------------------------------
 425 function menu.handle_key_up_down(fields,textlist,settingname)
 426
 427         if fields["key_up"] then
 428                 local oldidx = engine.get_textlist_index(textlist)
 429
 430                 if oldidx > 1 then
 431                         local newidx = oldidx -1
 432                         engine.setting_set(settingname,
 433                                 filterlist.get_raw_index(worldlist,newidx))
 434                 end
 435         end
 436
 437         if fields["key_down"] then
 438                 local oldidx = engine.get_textlist_index(textlist)
 439
 440                 if oldidx < filterlist.size(worldlist) then
 441                         local newidx = oldidx + 1
 442                         engine.setting_set(settingname,
 443                                 filterlist.get_raw_index(worldlist,newidx))
 444                 end
 445         end
 446 end
 447
 448
 449 --------------------------------------------------------------------------------
 450 function menubar.handle_buttons(fields)
 451         for i=1,#menubar.buttons,1 do
 452                 if fields[menubar.buttons[i].btn_name] ~= nil then
 453                         menu.last_game = menubar.buttons[i].index
 454                         engine.setting_set("main_menu_last_game_idx",menu.last_game)
 455                         menu.update_gametype()
 456                 end
 457         end
 458 end
 459
 460 --------------------------------------------------------------------------------
 461 function menubar.refresh()
 462         menubar.formspec = "box[-0.3,5.625;12.4,1.3;000000]" ..
 463                                            "box[-0.3,5.6;12.4,0.05;FFFFFF]"
 464         menubar.buttons = {}
 465
 466         local button_base = -0.25
 467
 468         local maxbuttons = #gamemgr.games
 469
 470         if maxbuttons > 10 then
 471                 maxbuttons = 10
 472         end
 473
 474         for i=1,maxbuttons,1 do
 475
 476                 local btn_name = "menubar_btn_" .. gamemgr.games[i].id
 477                 local buttonpos = button_base + (i-1) * 1.245
 478                 if gamemgr.games[i].menuicon_path ~= nil and
 479                         gamemgr.games[i].menuicon_path ~= "" then
 480
 481                         menubar.formspec = menubar.formspec ..
 482                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;"  ..
 483                                 gamemgr.games[i].menuicon_path .. ";" .. btn_name .. ";;true;false]"
 484                 else
 485
 486                         local part1 = gamemgr.games[i].id:sub(1,5)
 487                         local part2 = gamemgr.games[i].id:sub(6,10)
 488                         local part3 = gamemgr.games[i].id:sub(11)
 489
 490                         local text = part1 .. "\n" .. part2
 491                         if part3 ~= nil and
 492                                 part3 ~= "" then
 493                                 text = text .. "\n" .. part3
 494                         end
 495                         menubar.formspec = menubar.formspec ..
 496                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;;" ..btn_name ..
 497                                 ";" .. text .. ";true;true]"
 498                 end
 499
 500                 local toadd = {
 501                         btn_name = btn_name,
 502                         index = i,
 503                 }
 504
 505                 table.insert(menubar.buttons,toadd)
 506         end
 507 end
 508
 509 --------------------------------------------------------------------------------
 510 function tabbuilder.dialog_create_world()
 511         local mapgens = {"v6", "v7", "indev", "singlenode", "math"}
 512
 513         local current_mg = engine.setting_get("mg_name")
 514
 515         local mglist = ""
 516         local selindex = 1
 517         local i = 1
 518         for k,v in pairs(mapgens) do
 519                 if current_mg == v then
 520                         selindex = i
 521                 end
 522                 i = i + 1
 523                 mglist = mglist .. v .. ","
 524         end
 525         mglist = mglist:sub(1, -2)
 526
 527         local retval =
 528                 "label[2,0;World name]"..
 529                 "label[2,1;Mapgen]"..
 530                 "field[4.5,0.4;6,0.5;te_world_name;;]" ..
 531                 "label[2,2;Game]"..
 532                 "button[5,4.5;2.6,0.5;world_create_confirm;Create]" ..
 533                 "button[7.5,4.5;2.8,0.5;world_create_cancel;Cancel]" ..
 534                 "dropdown[4.2,1;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
 535                 "textlist[4.2,1.9;5.8,2.3;games;" ..
 536                 gamemgr.gamelist() ..
 537                 ";" .. menu.last_game .. ";true]"
 538
 539         return retval
 540 end
 541
 542 --------------------------------------------------------------------------------
 543 function tabbuilder.dialog_delete_world()
 544         return  "label[2,2;Delete World \"" .. filterlist.get_raw_list(worldlist)[menu.world_to_del].name .. "\"?]"..
 545                         "button[3.5,4.2;2.6,0.5;world_delete_confirm;Yes]" ..
 546                         "button[6,4.2;2.8,0.5;world_delete_cancel;No]"
 547 end
 548
 549 --------------------------------------------------------------------------------
 550 function tabbuilder.gettab()
 551         local retval = ""
 552
 553         if tabbuilder.show_buttons then
 554                 retval = retval .. tabbuilder.tab_header()
 555         end
 556
 557         if tabbuilder.current_tab == "singleplayer" then
 558                 retval = retval .. tabbuilder.tab_singleplayer()
 559         end
 560
 561         if tabbuilder.current_tab == "multiplayer" then
 562                 retval = retval .. tabbuilder.tab_multiplayer()
 563         end
 564
 565         if tabbuilder.current_tab == "server" then
 566                 retval = retval .. tabbuilder.tab_server()
 567         end
 568
 569         if tabbuilder.current_tab == "settings" then
 570                 retval = retval .. tabbuilder.tab_settings()
 571         end
 572
 573         if tabbuilder.current_tab == "credits" then
 574                 retval = retval .. tabbuilder.tab_credits()
 575         end
 576
 577         if tabbuilder.current_tab == "dialog_create_world" then
 578                 retval = retval .. tabbuilder.dialog_create_world()
 579         end
 580
 581         if tabbuilder.current_tab == "dialog_delete_world" then
 582                 retval = retval .. tabbuilder.dialog_delete_world()
 583         end
 584
 585         retval = retval .. modmgr.gettab(tabbuilder.current_tab)
 586         retval = retval .. gamemgr.gettab(tabbuilder.current_tab)
 587         retval = retval .. modstore.gettab(tabbuilder.current_tab)
 588
 589         return retval
 590 end
 591
 592 --------------------------------------------------------------------------------
 593 function tabbuilder.handle_create_world_buttons(fields)
 594
 595         if fields["world_create_confirm"] or
 596                 fields["key_enter"] then
 597
 598                 local worldname = fields["te_world_name"]
 599                 local gameindex = engine.get_textlist_index("games")
 600
 601                 if gameindex > 0 and
 602                         worldname ~= "" then
 603
 604                         local message = nil
 605
 606                         if not filterlist.uid_exists(worldlist,worldname) then
 607                                 engine.setting_set("mg_name",fields["dd_mapgen"])
 608                                 message = engine.create_world(worldname,gameindex)
 609                         else
 610                                 message = "A world named \"" .. worldname .. "\" already exists"
 611                         end
 612
 613                         if message ~= nil then
 614                                 gamedata.errormessage = message
 615                         else
 616                                 menu.last_game = gameindex
 617                                 engine.setting_set("main_menu_last_game_idx",gameindex)
 618
 619                                 filterlist.refresh(worldlist)
 620                                 engine.setting_set("mainmenu_last_selected_world",
 621                                                                         filterlist.raw_index_by_uid(worldlist,worldname))
 622                         end
 623                 else
 624                         gamedata.errormessage = "No worldname given or no game selected"
 625                 end
 626         end
 627
 628         if fields["games"] then
 629                 tabbuilder.skipformupdate = true
 630                 return
 631         end
 632
 633         --close dialog
 634         tabbuilder.is_dialog = false
 635         tabbuilder.show_buttons = true
 636         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 637 end
 638
 639 --------------------------------------------------------------------------------
 640 function tabbuilder.handle_delete_world_buttons(fields)
 641
 642         if fields["world_delete_confirm"] then
 643                 if menu.world_to_del > 0 and
 644                         menu.world_to_del <= #filterlist.get_raw_list(worldlist) then
 645                         engine.delete_world(menu.world_to_del)
 646                         menu.world_to_del = 0
 647                         filterlist.refresh(worldlist)
 648                 end
 649         end
 650
 651         tabbuilder.is_dialog = false
 652         tabbuilder.show_buttons = true
 653         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 654 end
 655
 656 --------------------------------------------------------------------------------
 657 function tabbuilder.handle_multiplayer_buttons(fields)
 658
 659         if fields["te_name"] ~= nil then
 660                 gamedata.playername = fields["te_name"]
 661                 engine.setting_set("name", fields["te_name"])
 662         end
 663
 664         if fields["favourites"] ~= nil then
 665                 local event = explode_textlist_event(fields["favourites"])
 666                 if event.typ == "DCL" then
 667                         gamedata.address = menu.favorites[event.index].address
 668                         gamedata.port = menu.favorites[event.index].port
 669                         gamedata.playername             = fields["te_name"]
 670                         if fields["te_pwd"] ~= nil then
 671                                 gamedata.password               = fields["te_pwd"]
 672                         end
 673                         gamedata.selected_world = 0
 674
 675                         if menu.favorites ~= nil then
 676                                 gamedata.servername = menu.favorites[event.index].name
 677                                 gamedata.serverdescription = menu.favorites[event.index].description
 678                         end
 679
 680                         if gamedata.address ~= nil and
 681                                 gamedata.port ~= nil then
 682
 683                                 engine.start()
 684                         end
 685                 end
 686
 687                 if event.typ == "CHG" then
 688                         local address = menu.favorites[event.index].address
 689                         local port = menu.favorites[event.index].port
 690
 691                         if address ~= nil and
 692                                 port ~= nil then
 693                                 engine.setting_set("address",address)
 694                                 engine.setting_set("port",port)
 695                         end
 696
 697                         menu.fav_selected = event.index
 698                 end
 699                 return
 700         end
 701
 702         if fields["key_up"] ~= nil or
 703                 fields["key_down"] ~= nil then
 704
 705                 local fav_idx = engine.get_textlist_index("favourites")
 706
 707                 if fields["key_up"] ~= nil and fav_idx > 1 then
 708                         fav_idx = fav_idx -1
 709                 else if fields["key_down"] and fav_idx < #menu.favorites then
 710                         fav_idx = fav_idx +1
 711                 end end
 712
 713                 local address = menu.favorites[fav_idx].address
 714                 local port = menu.favorites[fav_idx].port
 715
 716                 if address ~= nil and
 717                         port ~= nil then
 718                         engine.setting_set("address",address)
 719                         engine.setting_set("port",port)
 720                 end
 721
 722                 menu.fav_selected = fav_idx
 723                 return
 724         end
 725
 726         if fields["cb_public_serverlist"] ~= nil then
 727                 engine.setting_setbool("public_serverlist",
 728                         tabbuilder.tobool(fields["cb_public_serverlist"]))
 729
 730                 if engine.setting_getbool("public_serverlist") then
 731                         menu.favorites = engine.get_favorites("online")
 732                 else
 733                         menu.favorites = engine.get_favorites("local")
 734                 end
 735                 menu.fav_selected = nil
 736                 return
 737         end
 738
 739         if fields["btn_delete_favorite"] ~= nil then
 740                 local current_favourite = engine.get_textlist_index("favourites")
 741                 engine.delete_favorite(current_favourite)
 742                 menu.favorites = engine.get_favorites()
 743                 menu.fav_selected = nil
 744
 745                 engine.setting_set("address","")
 746                 engine.setting_get("port","")
 747
 748                 return
 749         end
 750
 751         if fields["btn_mp_connect"] ~= nil or
 752                 fields["key_enter"] then
 753
 754                 gamedata.playername             = fields["te_name"]
 755                 gamedata.password               = fields["te_pwd"]
 756                 gamedata.address                = fields["te_address"]
 757                 gamedata.port                   = fields["te_port"]
 758
 759                 local fav_idx = engine.get_textlist_index("favourites")
 760
 761                 if fav_idx > 0 and fav_idx <= #menu.favorites and
 762                         menu.favorites[fav_idx].address == fields["te_address"] and
 763                         menu.favorites[fav_idx].port == fields["te_port"] then
 764
 765                         gamedata.servername                     = menu.favorites[fav_idx].name
 766                         gamedata.serverdescription      = menu.favorites[fav_idx].description
 767                 else
 768                         gamedata.servername = ""
 769                         gamedata.serverdescription = ""
 770                 end
 771
 772                 gamedata.selected_world = 0
 773
 774                 engine.start()
 775                 return
 776         end
 777 end
 778
 779 --------------------------------------------------------------------------------
 780 function tabbuilder.handle_server_buttons(fields)
 781
 782         local world_doubleclick = false
 783
 784         if fields["srv_worlds"] ~= nil then
 785                 local event = explode_textlist_event(fields["srv_worlds"])
 786
 787                 if event.typ == "DCL" then
 788                         world_doubleclick = true
 789                 end
 790                 if event.typ == "CHG" then
 791                         engine.setting_set("mainmenu_last_selected_world",
 792                                 filterlist.get_raw_index(worldlist,engine.get_textlist_index("srv_worlds")))
 793                 end
 794         end
 795
 796         menu.handle_key_up_down(fields,"srv_worlds","mainmenu_last_selected_world")
 797
 798         if fields["cb_creative_mode"] then
 799                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 800         end
 801
 802         if fields["cb_enable_damage"] then
 803                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 804         end
 805
 806         if fields["cb_server_announce"] then
 807                 engine.setting_setbool("server_announce",tabbuilder.tobool(fields["cb_server_announce"]))
 808         end
 809
 810         if fields["start_server"] ~= nil or
 811                 world_doubleclick or
 812                 fields["key_enter"] then
 813                 local selected = engine.get_textlist_index("srv_worlds")
 814                 if selected > 0 then
 815                         gamedata.playername             = fields["te_playername"]
 816                         gamedata.password               = fields["te_passwd"]
 817                         gamedata.port                   = fields["te_serverport"]
 818                         gamedata.address                = ""
 819                         gamedata.selected_world = filterlist.get_raw_index(worldlist,selected)
 820
 821                         menu.update_last_game(gamedata.selected_world)
 822                         engine.start()
 823                 end
 824         end
 825
 826         if fields["world_create"] ~= nil then
 827                 tabbuilder.current_tab = "dialog_create_world"
 828                 tabbuilder.is_dialog = true
 829                 tabbuilder.show_buttons = false
 830         end
 831
 832         if fields["world_delete"] ~= nil then
 833                 local selected = engine.get_textlist_index("srv_worlds")
 834                 if selected > 0 and
 835                         selected <= filterlist.size(worldlist) then
 836                         local world = filterlist.get_list(worldlist)[selected]
 837                         if world ~= nil and
 838                                 world.name ~= nil and
 839                                 world.name ~= "" then
 840                                 menu.world_to_del = filterlist.get_raw_index(worldlist,selected)
 841                                 tabbuilder.current_tab = "dialog_delete_world"
 842                                 tabbuilder.is_dialog = true
 843                                 tabbuilder.show_buttons = false
 844                         else
 845                                 menu.world_to_del = 0
 846                         end
 847                 end
 848         end
 849
 850         if fields["world_configure"] ~= nil then
 851                 selected = engine.get_textlist_index("srv_worlds")
 852                 if selected > 0 then
 853                         modmgr.world_config_selected_world = filterlist.get_raw_index(worldlist,selected)
 854                         if modmgr.init_worldconfig() then
 855                                 tabbuilder.current_tab = "dialog_configure_world"
 856                                 tabbuilder.is_dialog = true
 857                                 tabbuilder.show_buttons = false
 858                         end
 859                 end
 860         end
 861 end
 862
 863 --------------------------------------------------------------------------------
 864 function tabbuilder.tobool(text)
 865         if text == "true" then
 866                 return true
 867         else
 868                 return false
 869         end
 870 end
 871
 872 --------------------------------------------------------------------------------
 873 function tabbuilder.handle_settings_buttons(fields)
 874         if fields["cb_fancy_trees"] then
 875                 engine.setting_setbool("new_style_leaves",tabbuilder.tobool(fields["cb_fancy_trees"]))
 876         end
 877
 878         if fields["cb_smooth_lighting"] then
 879                 engine.setting_setbool("smooth_lighting",tabbuilder.tobool(fields["cb_smooth_lighting"]))
 880         end
 881         if fields["cb_3d_clouds"] then
 882                 engine.setting_setbool("enable_3d_clouds",tabbuilder.tobool(fields["cb_3d_clouds"]))
 883         end
 884         if fields["cb_opaque_water"] then
 885                 engine.setting_setbool("opaque_water",tabbuilder.tobool(fields["cb_opaque_water"]))
 886         end
 887
 888         if fields["cb_mipmapping"] then
 889                 engine.setting_setbool("mip_map",tabbuilder.tobool(fields["cb_mipmapping"]))
 890         end
 891         if fields["cb_anisotrophic"] then
 892                 engine.setting_setbool("anisotropic_filter",tabbuilder.tobool(fields["cb_anisotrophic"]))
 893         end
 894         if fields["cb_bilinear"] then
 895                 engine.setting_setbool("bilinear_filter",tabbuilder.tobool(fields["cb_bilinear"]))
 896         end
 897         if fields["cb_trilinear"] then
 898                 engine.setting_setbool("trilinear_filter",tabbuilder.tobool(fields["cb_trilinear"]))
 899         end
 900
 901         if fields["cb_shaders"] then
 902                 engine.setting_setbool("enable_shaders",tabbuilder.tobool(fields["cb_shaders"]))
 903         end
 904         if fields["cb_pre_ivis"] then
 905                 engine.setting_setbool("preload_item_visuals",tabbuilder.tobool(fields["cb_pre_ivis"]))
 906         end
 907         if fields["cb_particles"] then
 908                 engine.setting_setbool("enable_particles",tabbuilder.tobool(fields["cb_particles"]))
 909         end
 910         if fields["cb_finite_liquid"] then
 911                 engine.setting_setbool("liquid_finite",tabbuilder.tobool(fields["cb_finite_liquid"]))
 912         end
 913
 914         if fields["btn_change_keys"] ~= nil then
 915                 engine.show_keys_menu()
 916         end
 917 end
 918
 919 --------------------------------------------------------------------------------
 920 function tabbuilder.handle_singleplayer_buttons(fields)
 921
 922         local world_doubleclick = false
 923
 924         if fields["sp_worlds"] ~= nil then
 925                 local event = explode_textlist_event(fields["sp_worlds"])
 926
 927                 if event.typ == "DCL" then
 928                         world_doubleclick = true
 929                 end
 930
 931                 if event.typ == "CHG" then
 932                         engine.setting_set("mainmenu_last_selected_world",
 933                                 filterlist.get_raw_index(worldlist,engine.get_textlist_index("sp_worlds")))
 934                 end
 935         end
 936
 937         menu.handle_key_up_down(fields,"sp_worlds","mainmenu_last_selected_world")
 938
 939         if fields["cb_creative_mode"] then
 940                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 941         end
 942
 943         if fields["cb_enable_damage"] then
 944                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 945         end
 946
 947         if fields["play"] ~= nil or
 948                 world_doubleclick or
 949                 fields["key_enter"] then
 950                 local selected = engine.get_textlist_index("sp_worlds")
 951                 if selected > 0 then
 952                         gamedata.selected_world = filterlist.get_raw_index(worldlist,selected)
 953                         gamedata.singleplayer   = true
 954
 955                         menu.update_last_game(gamedata.selected_world)
 956
 957                         engine.start()
 958                 end
 959         end
 960
 961         if fields["world_create"] ~= nil then
 962                 tabbuilder.current_tab = "dialog_create_world"
 963                 tabbuilder.is_dialog = true
 964                 tabbuilder.show_buttons = false
 965         end
 966
 967         if fields["world_delete"] ~= nil then
 968                 local selected = engine.get_textlist_index("sp_worlds")
 969                 if selected > 0 and
 970                         selected <= filterlist.size(worldlist) then
 971                         local world = filterlist.get_list(worldlist)[selected]
 972                         if world ~= nil and
 973                                 world.name ~= nil and
 974                                 world.name ~= "" then
 975                                 menu.world_to_del = filterlist.get_raw_index(worldlist,selected)
 976                                 tabbuilder.current_tab = "dialog_delete_world"
 977                                 tabbuilder.is_dialog = true
 978                                 tabbuilder.show_buttons = false
 979                         else
 980                                 menu.world_to_del = 0
 981                         end
 982                 end
 983         end
 984
 985         if fields["world_configure"] ~= nil then
 986                 selected = engine.get_textlist_index("sp_worlds")
 987                 if selected > 0 then
 988                         modmgr.world_config_selected_world = filterlist.get_raw_index(worldlist,selected)
 989                         if modmgr.init_worldconfig() then
 990                                 tabbuilder.current_tab = "dialog_configure_world"
 991                                 tabbuilder.is_dialog = true
 992                                 tabbuilder.show_buttons = false
 993                         end
 994                 end
 995         end
 996 end
 997
 998 --------------------------------------------------------------------------------
 999 function tabbuilder.tab_header()
1000
1001         if tabbuilder.last_tab_index == nil then
1002                 tabbuilder.last_tab_index = 1
1003         end
1004
1005         local toadd = ""
1006
1007         for i=1,#tabbuilder.current_buttons,1 do
1008
1009                 if toadd ~= "" then
1010                         toadd = toadd .. ","
1011                 end
1012
1013                 toadd = toadd .. tabbuilder.current_buttons[i].caption
1014         end
1015         return "tabheader[-0.3,-0.99;main_tab;" .. toadd ..";" .. tabbuilder.last_tab_index .. ";true;false]"
1016 end
1017
1018 --------------------------------------------------------------------------------
1019 function tabbuilder.handle_tab_buttons(fields)
1020
1021         if fields["main_tab"] then
1022                 local index = tonumber(fields["main_tab"])
1023                 tabbuilder.last_tab_index = index
1024                 tabbuilder.current_tab = tabbuilder.current_buttons[index].name
1025
1026                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1027         end
1028
1029         --handle tab changes
1030         if tabbuilder.current_tab ~= tabbuilder.old_tab then
1031                 if tabbuilder.current_tab ~= "singleplayer" then
1032                         menu.reset_gametype()
1033                 end
1034         end
1035
1036         if tabbuilder.current_tab == "singleplayer" then
1037                 menu.update_gametype()
1038         end
1039
1040         tabbuilder.old_tab = tabbuilder.current_tab
1041 end
1042
1043 --------------------------------------------------------------------------------
1044 function tabbuilder.init()
1045         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1046
1047         if tabbuilder.current_tab == nil or
1048                 tabbuilder.current_tab == "" then
1049                 tabbuilder.current_tab = "singleplayer"
1050                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1051         end
1052
1053
1054         --initialize tab buttons
1055         tabbuilder.last_tab = nil
1056         tabbuilder.show_buttons = true
1057
1058         tabbuilder.current_buttons = {}
1059         table.insert(tabbuilder.current_buttons,{name="singleplayer", caption="Singleplayer"})
1060         table.insert(tabbuilder.current_buttons,{name="multiplayer", caption="Client"})
1061         table.insert(tabbuilder.current_buttons,{name="server", caption="Server"})
1062         table.insert(tabbuilder.current_buttons,{name="settings", caption="Settings"})
1063
1064         if engine.setting_getbool("main_menu_game_mgr") then
1065                 table.insert(tabbuilder.current_buttons,{name="game_mgr", caption="Games"})
1066         end
1067
1068         if engine.setting_getbool("main_menu_mod_mgr") then
1069                 table.insert(tabbuilder.current_buttons,{name="mod_mgr", caption="Mods"})
1070         end
1071         table.insert(tabbuilder.current_buttons,{name="credits", caption="Credits"})
1072
1073
1074         for i=1,#tabbuilder.current_buttons,1 do
1075                 if tabbuilder.current_buttons[i].name == tabbuilder.current_tab then
1076                         tabbuilder.last_tab_index = i
1077                 end
1078         end
1079
1080         menu.update_gametype()
1081 end
1082
1083 --------------------------------------------------------------------------------
1084 function tabbuilder.tab_multiplayer()
1085
1086         local retval =
1087                 "vertlabel[0,-0.25;CLIENT]" ..
1088                 "label[1,-0.25;Favorites:]"..
1089                 "label[1,4.25;Address/Port]"..
1090                 "label[9,2.75;Name/Password]" ..
1091                 "field[1.25,5.25;5.5,0.5;te_address;;" ..engine.setting_get("address") .."]" ..
1092                 "field[6.75,5.25;2.25,0.5;te_port;;" ..engine.setting_get("port") .."]" ..
1093                 "checkbox[1,3.6;cb_public_serverlist;Public Serverlist;" ..
1094                 dump(engine.setting_getbool("public_serverlist")) .. "]"
1095
1096         if not engine.setting_getbool("public_serverlist") then
1097                 retval = retval ..
1098                 "button[6.45,3.95;2.25,0.5;btn_delete_favorite;Delete]"
1099         end
1100
1101         retval = retval ..
1102                 "button[9,4.95;2.5,0.5;btn_mp_connect;Connect]" ..
1103                 "field[9.3,3.75;2.5,0.5;te_name;;" ..engine.setting_get("name") .."]" ..
1104                 "pwdfield[9.3,4.5;2.5,0.5;te_pwd;]" ..
1105                 "textarea[9.3,0.25;2.5,2.75;;"
1106         if menu.fav_selected ~= nil and
1107                 menu.favorites[menu.fav_selected].description ~= nil then
1108                 retval = retval ..
1109                         fs_escape_string(menu.favorites[menu.fav_selected].description,true)
1110         end
1111
1112         retval = retval ..
1113                 ";]" ..
1114                 "textlist[1,0.35;7.5,3.35;favourites;"
1115
1116         local render_details = engine.setting_getbool("public_serverlist")
1117
1118         if #menu.favorites > 0 then
1119                 retval = retval .. render_favourite(menu.favorites[1],render_details)
1120
1121                 for i=2,#menu.favorites,1 do
1122                         retval = retval .. "," .. render_favourite(menu.favorites[i],render_details)
1123                 end
1124         end
1125
1126         if menu.fav_selected ~= nil then
1127                 retval = retval .. ";" .. menu.fav_selected .. "]"
1128         else
1129                 retval = retval .. ";0]"
1130         end
1131
1132         return retval
1133 end
1134
1135 --------------------------------------------------------------------------------
1136 function tabbuilder.tab_server()
1137
1138         local index = filterlist.get_current_index(worldlist,
1139                                 tonumber(engine.setting_get("mainmenu_last_selected_world"))
1140                                 )
1141
1142         local retval =
1143                 "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1144                 "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1145                 "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1146                 "button[8.5,4.9;3.25,0.5;start_server;Start Game]" ..
1147                 "label[4,-0.25;Select World:]"..
1148                 "vertlabel[0,-0.25;START SERVER]" ..
1149                 "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1150                 dump(engine.setting_getbool("creative_mode")) .. "]"..
1151                 "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1152                 dump(engine.setting_getbool("enable_damage")) .. "]"..
1153                 "checkbox[0.5,1.15;cb_server_announce;Public;" ..
1154                 dump(engine.setting_getbool("server_announce")) .. "]"..
1155                 "field[0.8,3.2;3,0.5;te_playername;Name;" ..
1156                 engine.setting_get("name") .. "]" ..
1157                 "pwdfield[0.8,4.2;3,0.5;te_passwd;Password]" ..
1158                 "field[0.8,5.2;3,0.5;te_serverport;Server Port;30000]" ..
1159                 "textlist[4,0.25;7.5,3.7;srv_worlds;" ..
1160                 menu.render_world_list() ..
1161                 ";" .. index .. "]"
1162
1163         return retval
1164 end
1165
1166 --------------------------------------------------------------------------------
1167 function tabbuilder.tab_settings()
1168         return  "vertlabel[0,0;SETTINGS]" ..
1169                         "checkbox[1,0.75;cb_fancy_trees;Fancy trees;"           .. dump(engine.setting_getbool("new_style_leaves"))     .. "]"..
1170                         "checkbox[1,1.25;cb_smooth_lighting;Smooth Lighting;".. dump(engine.setting_getbool("smooth_lighting")) .. "]"..
1171                         "checkbox[1,1.75;cb_3d_clouds;3D Clouds;"                       .. dump(engine.setting_getbool("enable_3d_clouds"))     .. "]"..
1172                         "checkbox[1,2.25;cb_opaque_water;Opaque Water;"                 .. dump(engine.setting_getbool("opaque_water"))         .. "]"..
1173
1174                         "checkbox[4,0.75;cb_mipmapping;Mip-Mapping;"            .. dump(engine.setting_getbool("mip_map"))                      .. "]"..
1175                         "checkbox[4,1.25;cb_anisotrophic;Anisotropic Filtering;".. dump(engine.setting_getbool("anisotropic_filter"))   .. "]"..
1176                         "checkbox[4,1.75;cb_bilinear;Bi-Linear Filtering;"      .. dump(engine.setting_getbool("bilinear_filter"))      .. "]"..
1177                         "checkbox[4,2.25;cb_trilinear;Tri-Linear Filtering;"    .. dump(engine.setting_getbool("trilinear_filter"))     .. "]"..
1178
1179                         "checkbox[7.5,0.75;cb_shaders;Shaders;"                         .. dump(engine.setting_getbool("enable_shaders"))               .. "]"..
1180                         "checkbox[7.5,1.25;cb_pre_ivis;Preload item visuals;".. dump(engine.setting_getbool("preload_item_visuals"))    .. "]"..
1181                         "checkbox[7.5,1.75;cb_particles;Enable Particles;"      .. dump(engine.setting_getbool("enable_particles"))     .. "]"..
1182                         "checkbox[7.5,2.25;cb_finite_liquid;Finite Liquid;"     .. dump(engine.setting_getbool("liquid_finite"))                .. "]"..
1183
1184                         "button[1,3.75;2.25,0.5;btn_change_keys;Change keys]"
1185 end
1186
1187 --------------------------------------------------------------------------------
1188 function tabbuilder.tab_singleplayer()
1189
1190         local index = filterlist.get_current_index(worldlist,
1191                                 tonumber(engine.setting_get("mainmenu_last_selected_world"))
1192                                 )
1193
1194         return  "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1195                         "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1196                         "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1197                         "button[8.5,4.95;3.25,0.5;play;Play]" ..
1198                         "label[4,-0.25;Select World:]"..
1199                         "vertlabel[0,-0.25;SINGLE PLAYER]" ..
1200                         "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1201                         dump(engine.setting_getbool("creative_mode")) .. "]"..
1202                         "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1203                         dump(engine.setting_getbool("enable_damage")) .. "]"..
1204                         "textlist[4,0.25;7.5,3.7;sp_worlds;" ..
1205                         menu.render_world_list() ..
1206                         ";" .. index .. "]" ..
1207                         menubar.formspec
1208 end
1209
1210 --------------------------------------------------------------------------------
1211 function tabbuilder.tab_credits()
1212         return  "vertlabel[0,-0.5;CREDITS]" ..
1213                         "label[0.5,3;Minetest " .. engine.get_version() .. "]" ..
1214                         "label[0.5,3.3;http://minetest.net]" ..
1215                         "image[0.5,1;" .. menu.defaulttexturedir .. "logo.png]" ..
1216                         "textlist[3.5,-0.25;8.5,5.8;list_credits;" ..
1217                         "#FFFF00Core Developers," ..
1218                         "Perttu Ahola (celeron55) <celeron55@gmail.com>,"..
1219                         "Ryan Kwolek (kwolekr) <kwolekr@minetest.net>,"..
1220                         "PilzAdam <pilzadam@minetest.net>," ..
1221                         "IIya Zhuravlev (thexyz) <xyz@minetest.net>,"..
1222                         "Lisa Milne (darkrose) <lisa@ltmnet.com>,"..
1223                         "Maciej Kasatkin (RealBadAngel) <mk@realbadangel.pl>,"..
1224                         "proller <proler@gmail.com>,"..
1225                         "sfan5 <sfan5@live.de>,"..
1226                         "kahrl <kahrl@gmx.net>,"..
1227                         ","..
1228                         "#FFFF00Active Contributors," ..
1229                         "sapier,"..
1230                         "Vanessa Ezekowitz (VanessaE) <vanessaezekowitz@gmail.com>,"..
1231                         "Jurgen Doser (doserj) <jurgen.doser@gmail.com>,"..
1232                         "Jeija <jeija@mesecons.net>,"..
1233                         "MirceaKitsune <mirceakitsune@gmail.com>,"..
1234                         "ShadowNinja,"..
1235                         "dannydark <the_skeleton_of_a_child@yahoo.co.uk>,"..
1236                         "0gb.us <0gb.us@0gb.us>,"..
1237                         "," ..
1238                         "#FFFF00Previous Contributors," ..
1239                         "Guiseppe Bilotta (Oblomov) <guiseppe.bilotta@gmail.com>,"..
1240                         "Jonathan Neuschafer <j.neuschaefer@gmx.net>,"..
1241                         "Nils Dagsson Moskopp (erlehmann) <nils@dieweltistgarnichtso.net>,"..
1242                         "Constantin Wenger (SpeedProg) <constantin.wenger@googlemail.com>,"..
1243                         "matttpt <matttpt@gmail.com>,"..
1244                         "JacobF <queatz@gmail.com>,"..
1245                         ";0;true]"
1246 end
1247
1248 --------------------------------------------------------------------------------
1249 function tabbuilder.checkretval(retval)
1250
1251         if retval ~= nil then
1252                 if retval.current_tab ~= nil then
1253                         tabbuilder.current_tab = retval.current_tab
1254                 end
1255
1256                 if retval.is_dialog ~= nil then
1257                         tabbuilder.is_dialog = retval.is_dialog
1258                 end
1259
1260                 if retval.show_buttons ~= nil then
1261                         tabbuilder.show_buttons = retval.show_buttons
1262                 end
1263
1264                 if retval.skipformupdate ~= nil then
1265                         tabbuilder.skipformupdate = retval.skipformupdate
1266                 end
1267         end
1268 end
1269
1270 --------------------------------------------------------------------------------
1271 --------------------------------------------------------------------------------
1272 -- initialize callbacks
1273 --------------------------------------------------------------------------------
1274 --------------------------------------------------------------------------------
1275 engine.button_handler = function(fields)
1276         --print("Buttonhandler: tab: " .. tabbuilder.current_tab .. " fields: " .. dump(fields))
1277
1278         if fields["btn_error_confirm"] then
1279                 gamedata.errormessage = nil
1280         end
1281
1282         local retval = modmgr.handle_buttons(tabbuilder.current_tab,fields)
1283         tabbuilder.checkretval(retval)
1284
1285         retval = gamemgr.handle_buttons(tabbuilder.current_tab,fields)
1286         tabbuilder.checkretval(retval)
1287
1288         retval = modstore.handle_buttons(tabbuilder.current_tab,fields)
1289         tabbuilder.checkretval(retval)
1290
1291         if tabbuilder.current_tab == "dialog_create_world" then
1292                 tabbuilder.handle_create_world_buttons(fields)
1293         end
1294
1295         if tabbuilder.current_tab == "dialog_delete_world" then
1296                 tabbuilder.handle_delete_world_buttons(fields)
1297         end
1298
1299         if tabbuilder.current_tab == "singleplayer" then
1300                 tabbuilder.handle_singleplayer_buttons(fields)
1301         end
1302
1303         if tabbuilder.current_tab == "multiplayer" then
1304                 tabbuilder.handle_multiplayer_buttons(fields)
1305         end
1306
1307         if tabbuilder.current_tab == "settings" then
1308                 tabbuilder.handle_settings_buttons(fields)
1309         end
1310
1311         if tabbuilder.current_tab == "server" then
1312                 tabbuilder.handle_server_buttons(fields)
1313         end
1314
1315         --tab buttons
1316         tabbuilder.handle_tab_buttons(fields)
1317
1318         --menubar buttons
1319         menubar.handle_buttons(fields)
1320
1321         if not tabbuilder.skipformupdate then
1322                 --update menu
1323                 update_menu()
1324         else
1325                 tabbuilder.skipformupdate = false
1326         end
1327 end
1328
1329 --------------------------------------------------------------------------------
1330 engine.event_handler = function(event)
1331         if event == "MenuQuit" then
1332                 if tabbuilder.is_dialog then
1333                         tabbuilder.is_dialog = false
1334                         tabbuilder.show_buttons = true
1335                         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1336                         menu.update_gametype()
1337                         update_menu()
1338                 else
1339                         engine.close()
1340                 end
1341         end
1342 end
1343
1344 --------------------------------------------------------------------------------
1345 --------------------------------------------------------------------------------
1346 -- menu startup
1347 --------------------------------------------------------------------------------
1348 --------------------------------------------------------------------------------
1349 init_globals()
1350 menu.init()
1351 tabbuilder.init()
1352 menubar.refresh()
1353 modstore.init()
1354
1355 update_menu()