builtin/mainmenu.lua

   1 os.setlocale("C", "numeric")
   2
   3 local scriptpath = engine.get_scriptdir()
   4
   5 dofile(scriptpath .. DIR_DELIM .. "modmgr.lua")
   6 dofile(scriptpath .. DIR_DELIM .. "modstore.lua")
   7 dofile(scriptpath .. DIR_DELIM .. "gamemgr.lua")
   8
   9 local menu = {}
  10 local tabbuilder = {}
  11 local menubar = {}
  12
  13 --------------------------------------------------------------------------------
  14 function render_favourite(spec)
  15         local text = ""
  16
  17         if spec.name ~= nil then
  18                 text = text .. spec.name:trim()
  19
  20                 if spec.description ~= nil then
  21                         --TODO make sure there's no invalid chat in spec.description
  22                         text = text .. " (" .. fs_escape_string(spec.description) .. ")"
  23                 end
  24         else
  25                 if spec.address ~= nil then
  26                         text = text .. spec.address:trim()
  27                 end
  28         end
  29
  30         local details = ""
  31         if spec.password == true then
  32                 details = " *"
  33         else
  34                 details = "  "
  35         end
  36
  37         if spec.creative then
  38                 details = details .. "C"
  39         else
  40                 details = details .. " "
  41         end
  42
  43         if spec.damage then
  44                 details = details .. "D"
  45         else
  46                 details = details .. " "
  47         end
  48
  49         if spec.pvp then
  50                 details = details .. "P"
  51         else
  52                 details = details .. " "
  53         end
  54
  55         if spec.port ~= nil then
  56                 text = text .. ":" .. spec.port:trim()
  57         else
  58                 text = text .. ":??"
  59         end
  60
  61         return text
  62 end
  63
  64 --------------------------------------------------------------------------------
  65 os.tempfolder = function()
  66         local filetocheck = os.tmpname()
  67         os.remove(filetocheck)
  68
  69         local randname = "MTTempModFolder_" .. math.random(0,10000)
  70         if DIR_DELIM == "\\" then
  71                 local tempfolder = os.getenv("TEMP")
  72                 return tempfolder .. filetocheck
  73         else
  74                 local backstring = filetocheck:reverse()
  75                 return filetocheck:sub(0,filetocheck:len()-backstring:find(DIR_DELIM)+1) ..randname
  76         end
  77
  78 end
  79
  80 --------------------------------------------------------------------------------
  81 function cleanup_path(temppath)
  82
  83         local parts = temppath:split("-")
  84         temppath = ""
  85         for i=1,#parts,1 do
  86                 if temppath ~= "" then
  87                         temppath = temppath .. "_"
  88                 end
  89                 temppath = temppath .. parts[i]
  90         end
  91
  92         parts = temppath:split(".")
  93         temppath = ""
  94         for i=1,#parts,1 do
  95                 if temppath ~= "" then
  96                         temppath = temppath .. "_"
  97                 end
  98                 temppath = temppath .. parts[i]
  99         end
 100
 101         parts = temppath:split("'")
 102         temppath = ""
 103         for i=1,#parts,1 do
 104                 if temppath ~= "" then
 105                         temppath = temppath .. ""
 106                 end
 107                 temppath = temppath .. parts[i]
 108         end
 109
 110         parts = temppath:split(" ")
 111         temppath = ""
 112         for i=1,#parts,1 do
 113                 if temppath ~= "" then
 114                         temppath = temppath
 115                 end
 116                 temppath = temppath .. parts[i]
 117         end
 118
 119         return temppath
 120 end
 121
 122 function menu.set_texture(identifier,gamedetails)
 123         local texture_set = false
 124         if menu.texturepack ~= nil then
 125                 local path = menu.basetexturedir ..
 126                                                 gamedetails.id .. "_menu_" .. identifier .. ".png"
 127
 128                 if engine.set_background(identifier,path) then
 129                         texture_set = true
 130                 end
 131         end
 132
 133         if not texture_set then
 134                 local path = gamedetails.path .. DIR_DELIM .."menu" ..
 135                                                                          DIR_DELIM .. identifier .. ".png"
 136                 if engine.set_background(identifier,path) then
 137                         texture_set = true
 138                 end
 139         end
 140
 141         if not texture_set then
 142                 local path = menu.basetexturedir .. DIR_DELIM .."menu_" ..
 143                                                                                 identifier .. ".png"
 144                 if engine.set_background(identifier,path) then
 145                         texture_set = true
 146                 end
 147         end
 148
 149         if not texture_set then
 150                 local path = menu.defaulttexturedir .. DIR_DELIM .."menu_" ..
 151                                                                                 identifier .. ".png"
 152                 engine.set_background(identifier,path)
 153         end
 154 end
 155
 156 --------------------------------------------------------------------------------
 157 function menu.update_gametype()
 158         if (menu.game_last_check == nil or
 159                 menu.game_last_check ~= menu.last_game) and
 160                 tabbuilder.current_tab == "singleplayer" then
 161
 162                 local gamedetails = menu.lastgame()
 163                 engine.set_topleft_text(gamedetails.name)
 164
 165                 --background
 166                 local background_set = false
 167                 if menu.texturepack ~= nil then
 168                         local path_background_texture = menu.basetexturedir ..
 169                                                                                 gamedetails.id .. "_menu_background.png"
 170
 171                         if engine.set_background("background",path_background_texture) then
 172                                 background_set = true
 173                                 engine.set_clouds(false)
 174                         end
 175                 end
 176
 177                 if not background_set then
 178                         local path_background_texture = gamedetails.path .. DIR_DELIM .."menu" ..
 179                                                                                  DIR_DELIM .. "background.png"
 180                         if engine.set_background("background",path_background_texture) then
 181                                 background_set = true
 182                                 engine.set_clouds(false)
 183                         end
 184                 end
 185
 186                 if not background_set then
 187                         engine.set_clouds(true)
 188                 end
 189
 190                 menu.set_texture("overlay",gamedetails)
 191                 menu.set_texture("header",gamedetails)
 192                 menu.set_texture("footer",gamedetails)
 193
 194                 menu.game_last_check = menu.last_game
 195         else
 196                 if menu.game_last_check ~= menu.last_game then
 197                         menu.game_last_check = menu.last_game
 198                         menu.reset_gametype()
 199                 end
 200         end
 201 end
 202
 203 --------------------------------------------------------------------------------
 204 function menu.reset_gametype()
 205         menu.game_last_check = nil
 206         engine.set_clouds(true)
 207         engine.set_background("background","")
 208         engine.set_background("overlay",menu.basetexturedir .. "menu_overlay.png")
 209         engine.set_background("header",menu.basetexturedir .. "menu_header.png")
 210         engine.set_background("footer",menu.basetexturedir .. "menu_footer.png")
 211         engine.set_topleft_text("")
 212 end
 213
 214 --------------------------------------------------------------------------------
 215 function get_last_folder(text,count)
 216         local parts = text:split(DIR_DELIM)
 217
 218         if count == nil then
 219                 return parts[#parts]
 220         end
 221
 222         local retval = ""
 223         for i=1,count,1 do
 224                 retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM
 225         end
 226
 227         return retval
 228 end
 229
 230 --------------------------------------------------------------------------------
 231 function init_globals()
 232         --init gamedata
 233         gamedata.worldindex = 0
 234 end
 235
 236 --------------------------------------------------------------------------------
 237 function identify_filetype(name)
 238
 239         if name:sub(-3):lower() == "zip" then
 240                 return {
 241                                 name = name,
 242                                 type = "zip"
 243                                 }
 244         end
 245
 246         if name:sub(-6):lower() == "tar.gz" or
 247                 name:sub(-3):lower() == "tgz"then
 248                 return {
 249                                 name = name,
 250                                 type = "tgz"
 251                                 }
 252         end
 253
 254         if name:sub(-6):lower() == "tar.bz2" then
 255                 return {
 256                                 name = name,
 257                                 type = "tbz"
 258                                 }
 259         end
 260
 261         if name:sub(-2):lower() == "7z" then
 262                 return {
 263                                 name = name,
 264                                 type = "7z"
 265                                 }
 266         end
 267
 268         return {
 269                 name = name,
 270                 type = "ukn"
 271         }
 272 end
 273
 274 --------------------------------------------------------------------------------
 275 function update_menu()
 276
 277         local formspec = "size[12,5.2]"
 278
 279         -- handle errors
 280         if gamedata.errormessage ~= nil then
 281                 formspec = formspec ..
 282                         "field[1,2;10,2;;ERROR: " ..
 283                         gamedata.errormessage ..
 284                         ";]"..
 285                         "button[4.5,4.2;3,0.5;btn_error_confirm;Ok]"
 286         else
 287                 formspec = formspec .. tabbuilder.gettab()
 288         end
 289
 290         engine.update_formspec(formspec)
 291 end
 292
 293 --------------------------------------------------------------------------------
 294 function menu.filtered_game_list()
 295         local retval = ""
 296
 297         local current_game = menu.lastgame()
 298
 299         for i=1,#menu.worldlist,1 do
 300                 if menu.worldlist[i].gameid == current_game.id then
 301                         if retval ~= "" then
 302                                 retval = retval ..","
 303                         end
 304
 305                         retval = retval .. menu.worldlist[i].name ..
 306                                                 " \\[" .. menu.worldlist[i].gameid .. "\\]"
 307                 end
 308         end
 309
 310         return retval
 311 end
 312
 313 --------------------------------------------------------------------------------
 314 function menu.filtered_game_list_raw()
 315         local retval =  {}
 316
 317         local current_game = menu.lastgame()
 318
 319         for i=1,#menu.worldlist,1 do
 320                 if menu.worldlist[i].gameid == current_game.id then
 321                         table.insert(retval,menu.worldlist[i])
 322                 end
 323         end
 324
 325         return retval
 326 end
 327
 328 --------------------------------------------------------------------------------
 329 function menu.filtered_index_to_plain(filtered_index)
 330
 331         local current_game = menu.lastgame()
 332
 333         local temp_idx = 0
 334
 335         if menu.worldlist == nil then
 336                 return -1
 337         end
 338
 339         for i=1,#menu.worldlist,1 do
 340                 if menu.worldlist[i].gameid == current_game.id then
 341                         temp_idx = temp_idx +1
 342                 end
 343
 344                 if temp_idx == filtered_index then
 345                         return i
 346                 end
 347         end
 348         return -1
 349 end
 350
 351 --------------------------------------------------------------------------------
 352 function menu.init()
 353         --init menu data
 354         gamemgr.update_gamelist()
 355
 356         menu.worldlist = engine.get_worlds()
 357
 358         menu.last_world = tonumber(engine.setting_get("main_menu_last_world_idx"))
 359         menu.last_game  = tonumber(engine.setting_get("main_menu_last_game_idx"))
 360
 361         if type(menu.last_world) ~= "number" then
 362                 menu.last_world = 1
 363         end
 364
 365         if type(menu.last_game) ~= "number" then
 366                 menu.last_game = 1
 367         end
 368
 369         if engine.setting_getbool("public_serverlist") then
 370                 menu.favorites = engine.get_favorites("online")
 371         else
 372                 menu.favorites = engine.get_favorites("local")
 373         end
 374
 375
 376         menu.defaulttexturedir = engine.get_gamepath() .. DIR_DELIM .. ".." ..
 377                                                 DIR_DELIM .. "textures" .. DIR_DELIM .. "base" ..
 378                                                 DIR_DELIM .. "pack" .. DIR_DELIM
 379         menu.basetexturedir = menu.defaulttexturedir
 380
 381         menu.texturepack = engine.setting_get("texture_path")
 382
 383         if menu.texturepack ~= nil then
 384                 menu.basetexturedir = menu.texturepack .. DIR_DELIM
 385         end
 386 end
 387
 388 --------------------------------------------------------------------------------
 389 function menu.lastgame()
 390         if menu.last_game > 0 and menu.last_game <= #gamemgr.games then
 391                 return gamemgr.games[menu.last_game]
 392         end
 393
 394         if #gamemgr.games >= 1 then
 395                 menu.last_game = 1
 396                 return gamemgr.games[menu.last_game]
 397         end
 398
 399         --error case!!
 400         return nil
 401 end
 402
 403 --------------------------------------------------------------------------------
 404 function menu.lastworld()
 405         if menu.last_world ~= nil and
 406                 menu.last_world > 0 and
 407                 menu.last_world <= #menu.worldlist then
 408                 return menu.worldlist[menu.last_world]
 409         end
 410
 411         if #menu.worldlist >= 1 then
 412                 menu.last_world = 1
 413                 return menu.worldlist[menu.last_world]
 414         end
 415
 416         --error case!!
 417         return nil
 418 end
 419
 420 --------------------------------------------------------------------------------
 421 function menu.update_last_game(world_idx)
 422         if gamedata.selected_world <= #menu.worldlist then
 423                 local world = menu.worldlist[gamedata.selected_world]
 424
 425                 if world == nil then
 426                         return
 427                 end
 428
 429                 for i=1,#gamemgr.games,1 do
 430                         if gamemgr.games[i].id == world.gameid then
 431                                 menu.last_game = i
 432                                 engine.setting_set("main_menu_last_game_idx",menu.last_game)
 433                                 break
 434                         end
 435                 end
 436         end
 437 end
 438
 439 --------------------------------------------------------------------------------
 440 function menubar.handle_buttons(fields)
 441         for i=1,#menubar.buttons,1 do
 442                 if fields[menubar.buttons[i].btn_name] ~= nil then
 443                         menu.last_game = menubar.buttons[i].index
 444                         engine.setting_set("main_menu_last_game_idx",menu.last_game)
 445                         menu.update_gametype()
 446                 end
 447         end
 448 end
 449
 450 --------------------------------------------------------------------------------
 451 function menubar.refresh()
 452         menubar.formspec = "box[-0.3,5.625;12.4,1.3;000000]" ..
 453                                            "box[-0.3,5.6;12.4,0.05;FFFFFF]"
 454         menubar.buttons = {}
 455
 456         local button_base = -0.25
 457
 458         local maxbuttons = #gamemgr.games
 459
 460         if maxbuttons > 10 then
 461                 maxbuttons = 10
 462         end
 463
 464         for i=1,maxbuttons,1 do
 465
 466                 local btn_name = "menubar_btn_" .. gamemgr.games[i].id
 467                 local buttonpos = button_base + (i-1) * 1.245
 468                 if gamemgr.games[i].menuicon_path ~= nil and
 469                         gamemgr.games[i].menuicon_path ~= "" then
 470
 471                         menubar.formspec = menubar.formspec ..
 472                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;"  ..
 473                                 gamemgr.games[i].menuicon_path .. ";" .. btn_name .. ";;true;false]"
 474                 else
 475
 476                         local part1 = gamemgr.games[i].id:sub(1,5)
 477                         local part2 = gamemgr.games[i].id:sub(6,10)
 478                         local part3 = gamemgr.games[i].id:sub(11)
 479
 480                         local text = part1 .. "\n" .. part2
 481                         if part3 ~= nil and
 482                                 part3 ~= "" then
 483                                 text = text .. "\n" .. part3
 484                         end
 485                         menubar.formspec = menubar.formspec ..
 486                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;;" ..btn_name ..
 487                                 ";" .. text .. ";true;true]"
 488                 end
 489
 490                 local toadd = {
 491                         btn_name = btn_name,
 492                         index = i,
 493                 }
 494
 495                 table.insert(menubar.buttons,toadd)
 496         end
 497 end
 498
 499 --------------------------------------------------------------------------------
 500 function tabbuilder.dialog_create_world()
 501         local mapgens = {"v6", "v7", "indev", "singlenode", "math"}
 502
 503         local current_mg = engine.setting_get("mg_name")
 504
 505         local mglist = ""
 506         local selindex = 1
 507         local i = 1
 508         for k,v in pairs(mapgens) do
 509                 if current_mg == v then
 510                         selindex = i
 511                 end
 512                 i = i + 1
 513                 mglist = mglist .. v .. ","
 514         end
 515         mglist = mglist:sub(1, -2)
 516
 517         local retval =
 518                 "label[2,0;World name]"..
 519                 "label[2,1;Mapgen]"..
 520                 "field[4.5,0.4;6,0.5;te_world_name;;]" ..
 521                 "label[2,2;Game]"..
 522                 "button[5,4.5;2.6,0.5;world_create_confirm;Create]" ..
 523                 "button[7.5,4.5;2.8,0.5;world_create_cancel;Cancel]" ..
 524                 "dropdown[4.2,1;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
 525                 "textlist[4.2,1.9;5.8,2.3;games;" ..
 526                 gamemgr.gamelist() ..
 527                 ";" .. menu.last_game .. ";true]"
 528
 529         return retval
 530 end
 531
 532 --------------------------------------------------------------------------------
 533 function tabbuilder.dialog_delete_world()
 534         return  "label[2,2;Delete World \"" .. menu.lastworld().name .. "\"?]"..
 535                         "button[3.5,4.2;2.6,0.5;world_delete_confirm;Yes]" ..
 536                         "button[6,4.2;2.8,0.5;world_delete_cancel;No]"
 537 end
 538
 539 --------------------------------------------------------------------------------
 540 function tabbuilder.gettab()
 541         local retval = ""
 542
 543         if tabbuilder.show_buttons then
 544                 retval = retval .. tabbuilder.tab_header()
 545         end
 546
 547         if tabbuilder.current_tab == "singleplayer" then
 548                 retval = retval .. tabbuilder.tab_singleplayer()
 549         end
 550
 551         if tabbuilder.current_tab == "multiplayer" then
 552                 retval = retval .. tabbuilder.tab_multiplayer()
 553         end
 554
 555         if tabbuilder.current_tab == "server" then
 556                 retval = retval .. tabbuilder.tab_server()
 557         end
 558
 559         if tabbuilder.current_tab == "settings" then
 560                 retval = retval .. tabbuilder.tab_settings()
 561         end
 562
 563         if tabbuilder.current_tab == "credits" then
 564                 retval = retval .. tabbuilder.tab_credits()
 565         end
 566
 567         if tabbuilder.current_tab == "dialog_create_world" then
 568                 retval = retval .. tabbuilder.dialog_create_world()
 569         end
 570
 571         if tabbuilder.current_tab == "dialog_delete_world" then
 572                 retval = retval .. tabbuilder.dialog_delete_world()
 573         end
 574
 575         retval = retval .. modmgr.gettab(tabbuilder.current_tab)
 576         retval = retval .. gamemgr.gettab(tabbuilder.current_tab)
 577         retval = retval .. modstore.gettab(tabbuilder.current_tab)
 578
 579         return retval
 580 end
 581
 582 --------------------------------------------------------------------------------
 583 function tabbuilder.handle_create_world_buttons(fields)
 584
 585         if fields["world_create_confirm"] or
 586                 fields["key_enter"] then
 587
 588                 local worldname = fields["te_world_name"]
 589                 local gameindex = engine.get_textlist_index("games")
 590
 591                 if gameindex > 0 and
 592                         worldname ~= "" then
 593                         menu.worldlist = engine.get_worlds()
 594
 595                         local found = false
 596                         for i=1,#menu.worldlist,1 do
 597                                 if menu.worldlist[i].name == worldname then
 598                                         found = true
 599                                         break
 600                                 end
 601                         end
 602
 603                         local message = nil
 604
 605                         if not found then
 606                                 engine.setting_set("mg_name",fields["dd_mapgen"])
 607                                 message = engine.create_world(worldname,gameindex)
 608                         else
 609                                 message = "A world named \"" .. worldname .. "\" already exists"
 610                         end
 611
 612                         if message ~= nil then
 613                                 gamedata.errormessage = message
 614                         else
 615                                 menu.last_game = gameindex
 616                                 engine.setting_set("main_menu_last_game_idx",gameindex)
 617                                 menu.worldlist = engine.get_worlds()
 618
 619                                 local worldlist = menu.worldlist
 620
 621                                 if tabbuilder.current_tab == "singleplayer" then
 622                                         worldlist = menu.filtered_game_list_raw()
 623                                 end
 624
 625                                 local index = 0
 626
 627                                 for i=1,#worldlist,1 do
 628                                         if worldlist[i].name == worldname then
 629                                                 index = i
 630                                                 break
 631                                         end
 632                                 end
 633
 634                                 engine.setting_set("main_menu_singleplayer_world_idx", index)
 635                                 menu.last_world = index
 636                         end
 637                 else
 638                         gamedata.errormessage = "No worldname given or no game selected"
 639                 end
 640         end
 641
 642         if fields["games"] then
 643                 tabbuilder.skipformupdate = true
 644                 return
 645         end
 646
 647         tabbuilder.is_dialog = false
 648         tabbuilder.show_buttons = true
 649         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 650 end
 651
 652 --------------------------------------------------------------------------------
 653 function tabbuilder.handle_delete_world_buttons(fields)
 654
 655         if fields["world_delete_confirm"] then
 656                 if menu.last_world > 0 and
 657                         menu.last_world <= #menu.worldlist then
 658                         engine.delete_world(menu.last_world)
 659                         menu.worldlist = engine.get_worlds()
 660                         menu.last_world = 1
 661                 end
 662         end
 663
 664         tabbuilder.is_dialog = false
 665         tabbuilder.show_buttons = true
 666         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 667 end
 668
 669 --------------------------------------------------------------------------------
 670 function tabbuilder.handle_multiplayer_buttons(fields)
 671
 672         if fields["te_name"] ~= nil then
 673                 gamedata.playername = fields["te_name"]
 674                 engine.setting_set("name", fields["te_name"])
 675         end
 676
 677         if fields["favourites"] ~= nil then
 678                 local event = explode_textlist_event(fields["favourites"])
 679                 if event.typ == "DCL" then
 680                         --gamedata.address = menu.favorites[event.index].name
 681                         if gamedata.address == nil then
 682                                 gamedata.address = menu.favorites[event.index].address
 683                         end
 684                         gamedata.port = menu.favorites[event.index].port
 685                         gamedata.playername             = fields["te_name"]
 686                         if fields["te_pwd"] ~= nil then
 687                                 gamedata.password               = fields["te_pwd"]
 688                         end
 689                         gamedata.selected_world = 0
 690
 691                         if gamedata.address ~= nil and
 692                                 gamedata.port ~= nil then
 693
 694                                 engine.start()
 695                         end
 696                 end
 697
 698                 if event.typ == "CHG" then
 699                         local address = menu.favorites[event.index].name
 700                         if address == nil then
 701                                 address = menu.favorites[event.index].address
 702                         end
 703                         local port = menu.favorites[event.index].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 = event.index
 712                 end
 713                 return
 714         end
 715
 716         if fields["key_up"] ~= nil or
 717                 fields["key_down"] ~= nil then
 718
 719                 local fav_idx = engine.get_textlist_index("favourites")
 720
 721                 if fields["key_up"] ~= nil and fav_idx > 1 then
 722                         fav_idx = fav_idx -1
 723                 else if fields["key_down"] and fav_idx < #menu.favorites then
 724                         fav_idx = fav_idx +1
 725                 end end
 726
 727                 local address = menu.favorites[fav_idx].name
 728                 if address == nil then
 729                         address = menu.favorites[fav_idx].address
 730                 end
 731                 local port = menu.favorites[fav_idx].port
 732
 733                 if address ~= nil and
 734                         port ~= nil then
 735                         engine.setting_set("address",address)
 736                         engine.setting_set("port",port)
 737                 end
 738
 739                 menu.fav_selected = fav_idx
 740                 return
 741         end
 742
 743         if fields["cb_public_serverlist"] ~= nil then
 744                 engine.setting_setbool("public_serverlist",
 745                         tabbuilder.tobool(fields["cb_public_serverlist"]))
 746
 747                 if engine.setting_getbool("public_serverlist") then
 748                         menu.favorites = engine.get_favorites("online")
 749                 else
 750                         menu.favorites = engine.get_favorites("local")
 751                 end
 752
 753                 return
 754         end
 755
 756         if fields["btn_delete_favorite"] ~= nil then
 757                 local current_favourite = engine.get_textlist_index("favourites")
 758                 engine.delete_favorite(current_favourite)
 759                 menu.favorites = engine.get_favorites()
 760
 761                 engine.setting_set("address","")
 762                 engine.setting_get("port","")
 763
 764                 return
 765         end
 766
 767         if fields["btn_mp_connect"] ~= nil or
 768                 fields["key_enter"] then
 769
 770                 gamedata.playername             = fields["te_name"]
 771                 gamedata.password               = fields["te_pwd"]
 772                 gamedata.address                = fields["te_address"]
 773                 gamedata.port                   = fields["te_port"]
 774                 gamedata.selected_world = 0
 775
 776                 engine.start()
 777                 return
 778         end
 779 end
 780
 781 --------------------------------------------------------------------------------
 782 function tabbuilder.handle_server_buttons(fields)
 783
 784         local world_doubleclick = false
 785
 786         if fields["srv_worlds"] ~= nil then
 787                 local event = explode_textlist_event(fields["srv_worlds"])
 788
 789                 if event.typ == "DCL" then
 790                         world_doubleclick = true
 791                 end
 792                 if event.typ == "CHG" then
 793                         engine.setting_set("main_menu_last_world_idx",engine.get_textlist_index("srv_worlds"))
 794                 end
 795         end
 796
 797                 if fields["key_up"] then
 798                 local oldidx = engine.get_textlist_index("srv_worlds")
 799
 800                 if oldidx > 1 then
 801                         local newidx = oldidx -1
 802                         engine.setting_set("main_menu_last_world_idx",newidx)
 803                 end
 804         end
 805
 806         if fields["key_down"] then
 807                 local oldidx = engine.get_textlist_index("srv_worlds")
 808
 809                 if oldidx < #menu.worldlist then
 810                         local newidx = oldidx + 1
 811                         engine.setting_set("main_menu_last_world_idx",newidx)
 812                 end
 813         end
 814
 815         if fields["cb_creative_mode"] then
 816                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 817         end
 818
 819         if fields["cb_enable_damage"] then
 820                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 821         end
 822
 823
 824         if fields["start_server"] ~= nil or
 825                 world_doubleclick or
 826                 fields["key_enter"] then
 827                 local selected = engine.get_textlist_index("srv_worlds")
 828                 if selected > 0 then
 829
 830                         gamedata.playername             = fields["te_playername"]
 831                         gamedata.password               = fields["te_passwd"]
 832                         gamedata.port                   = fields["te_serverport"]
 833                         gamedata.address                = ""
 834                         gamedata.selected_world = selected
 835
 836                         engine.setting_set("main_menu_tab",tabbuilder.current_tab)
 837                         engine.setting_set("main_menu_last_world_idx",gamedata.selected_world)
 838
 839                         menu.update_last_game(gamedata.selected_world)
 840                         engine.start()
 841                 end
 842         end
 843
 844         if fields["world_create"] ~= nil then
 845                 tabbuilder.current_tab = "dialog_create_world"
 846                 tabbuilder.is_dialog = true
 847                 tabbuilder.show_buttons = false
 848         end
 849
 850         if fields["world_delete"] ~= nil then
 851                 local selected = engine.get_textlist_index("srv_worlds")
 852                 if selected > 0 then
 853                         menu.last_world = engine.get_textlist_index("srv_worlds")
 854                         if menu.lastworld() ~= nil and
 855                                 menu.lastworld().name ~= nil and
 856                                 menu.lastworld().name ~= "" then
 857                                 tabbuilder.current_tab = "dialog_delete_world"
 858                                 tabbuilder.is_dialog = true
 859                                 tabbuilder.show_buttons = false
 860                         else
 861                                 menu.last_world = 0
 862                         end
 863                 end
 864         end
 865
 866         if fields["world_configure"] ~= nil then
 867                 selected = engine.get_textlist_index("srv_worlds")
 868                 if selected > 0 then
 869                         modmgr.world_config_selected_world = selected
 870                         if modmgr.init_worldconfig() then
 871                                 tabbuilder.current_tab = "dialog_configure_world"
 872                                 tabbuilder.is_dialog = true
 873                                 tabbuilder.show_buttons = false
 874                         end
 875                 end
 876         end
 877 end
 878
 879 --------------------------------------------------------------------------------
 880 function tabbuilder.tobool(text)
 881         if text == "true" then
 882                 return true
 883         else
 884                 return false
 885         end
 886 end
 887
 888 --------------------------------------------------------------------------------
 889 function tabbuilder.handle_settings_buttons(fields)
 890         if fields["cb_fancy_trees"] then
 891                 engine.setting_setbool("new_style_leaves",tabbuilder.tobool(fields["cb_fancy_trees"]))
 892         end
 893
 894         if fields["cb_smooth_lighting"] then
 895                 engine.setting_setbool("smooth_lighting",tabbuilder.tobool(fields["cb_smooth_lighting"]))
 896         end
 897         if fields["cb_3d_clouds"] then
 898                 engine.setting_setbool("enable_3d_clouds",tabbuilder.tobool(fields["cb_3d_clouds"]))
 899         end
 900         if fields["cb_opaque_water"] then
 901                 engine.setting_setbool("opaque_water",tabbuilder.tobool(fields["cb_opaque_water"]))
 902         end
 903
 904         if fields["cb_mipmapping"] then
 905                 engine.setting_setbool("mip_map",tabbuilder.tobool(fields["cb_mipmapping"]))
 906         end
 907         if fields["cb_anisotrophic"] then
 908                 engine.setting_setbool("anisotropic_filter",tabbuilder.tobool(fields["cb_anisotrophic"]))
 909         end
 910         if fields["cb_bilinear"] then
 911                 engine.setting_setbool("bilinear_filter",tabbuilder.tobool(fields["cb_bilinear"]))
 912         end
 913         if fields["cb_trilinear"] then
 914                 engine.setting_setbool("trilinear_filter",tabbuilder.tobool(fields["cb_trilinear"]))
 915         end
 916
 917         if fields["cb_shaders"] then
 918                 engine.setting_setbool("enable_shaders",tabbuilder.tobool(fields["cb_shaders"]))
 919         end
 920         if fields["cb_pre_ivis"] then
 921                 engine.setting_setbool("preload_item_visuals",tabbuilder.tobool(fields["cb_pre_ivis"]))
 922         end
 923         if fields["cb_particles"] then
 924                 engine.setting_setbool("enable_particles",tabbuilder.tobool(fields["cb_particles"]))
 925         end
 926         if fields["cb_finite_liquid"] then
 927                 engine.setting_setbool("liquid_finite",tabbuilder.tobool(fields["cb_finite_liquid"]))
 928         end
 929
 930         if fields["btn_change_keys"] ~= nil then
 931                 engine.show_keys_menu()
 932         end
 933 end
 934
 935 --------------------------------------------------------------------------------
 936 function tabbuilder.handle_singleplayer_buttons(fields)
 937
 938         local world_doubleclick = false
 939
 940         if fields["sp_worlds"] ~= nil then
 941                 local event = explode_textlist_event(fields["sp_worlds"])
 942
 943                 if event.typ == "DCL" then
 944                         world_doubleclick = true
 945                 end
 946
 947                 if event.typ == "CHG" then
 948                         engine.setting_set("main_menu_singleplayer_world_idx",engine.get_textlist_index("sp_worlds"))
 949                 end
 950         end
 951
 952         if fields["key_up"] then
 953                 local oldidx = engine.get_textlist_index("sp_worlds")
 954
 955                 if oldidx > 1 then
 956                         local newidx = oldidx -1
 957                         engine.setting_set("main_menu_singleplayer_world_idx",newidx)
 958                 end
 959         end
 960
 961         if fields["key_down"] then
 962                 local oldidx = engine.get_textlist_index("sp_worlds")
 963
 964                 if oldidx < #menu.filtered_game_list_raw() then
 965                         local newidx = oldidx + 1
 966                         engine.setting_set("main_menu_singleplayer_world_idx",newidx)
 967                 end
 968         end
 969
 970         if fields["cb_creative_mode"] then
 971                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 972         end
 973
 974         if fields["cb_enable_damage"] then
 975                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 976         end
 977
 978         if fields["play"] ~= nil or
 979                 world_doubleclick or
 980                 fields["key_enter"] then
 981                 local selected = engine.get_textlist_index("sp_worlds")
 982                 if selected > 0 then
 983                         gamedata.selected_world = menu.filtered_index_to_plain(selected)
 984                         gamedata.singleplayer   = true
 985
 986                         engine.setting_set("main_menu_tab",tabbuilder.current_tab)
 987                         engine.setting_set("main_menu_singleplayer_world_idx",selected)
 988
 989                         menu.update_last_game(gamedata.selected_world)
 990
 991                         engine.start()
 992                 end
 993         end
 994
 995         if fields["world_create"] ~= nil then
 996                 tabbuilder.current_tab = "dialog_create_world"
 997                 tabbuilder.is_dialog = true
 998                 tabbuilder.show_buttons = false
 999         end
1000
1001         if fields["world_delete"] ~= nil then
1002                 local selected = engine.get_textlist_index("sp_worlds")
1003                 if selected > 0 then
1004                         menu.last_world = menu.filtered_index_to_plain(selected)
1005                         if menu.lastworld() ~= nil and
1006                                 menu.lastworld().name ~= nil and
1007                                 menu.lastworld().name ~= "" then
1008                                 tabbuilder.current_tab = "dialog_delete_world"
1009                                 tabbuilder.is_dialog = true
1010                                 tabbuilder.show_buttons = false
1011                         else
1012                                 menu.last_world = 0
1013                         end
1014                 end
1015         end
1016
1017         if fields["world_configure"] ~= nil then
1018                 selected = engine.get_textlist_index("sp_worlds")
1019                 if selected > 0 then
1020                         modmgr.world_config_selected_world = menu.filtered_index_to_plain(selected)
1021                         if modmgr.init_worldconfig() then
1022                                 tabbuilder.current_tab = "dialog_configure_world"
1023                                 tabbuilder.is_dialog = true
1024                                 tabbuilder.show_buttons = false
1025                         end
1026                 end
1027         end
1028 end
1029
1030 --------------------------------------------------------------------------------
1031 function tabbuilder.tab_header()
1032
1033         if tabbuilder.last_tab_index == nil then
1034                 tabbuilder.last_tab_index = 1
1035         end
1036
1037         local toadd = ""
1038
1039         for i=1,#tabbuilder.current_buttons,1 do
1040
1041                 if toadd ~= "" then
1042                         toadd = toadd .. ","
1043                 end
1044
1045                 toadd = toadd .. tabbuilder.current_buttons[i].caption
1046         end
1047         return "tabheader[-0.3,-0.99;main_tab;" .. toadd ..";" .. tabbuilder.last_tab_index .. ";true;false]"
1048 end
1049
1050 --------------------------------------------------------------------------------
1051 function tabbuilder.handle_tab_buttons(fields)
1052
1053         if fields["main_tab"] then
1054                 local index = tonumber(fields["main_tab"])
1055                 tabbuilder.last_tab_index = index
1056                 tabbuilder.current_tab = tabbuilder.current_buttons[index].name
1057
1058                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1059         end
1060
1061         --handle tab changes
1062         if tabbuilder.current_tab ~= tabbuilder.old_tab then
1063                 if tabbuilder.current_tab ~= "singleplayer" then
1064                         menu.reset_gametype()
1065                 end
1066         end
1067
1068         if tabbuilder.current_tab == "singleplayer" then
1069                 menu.update_gametype()
1070         end
1071
1072         tabbuilder.old_tab = tabbuilder.current_tab
1073 end
1074
1075 --------------------------------------------------------------------------------
1076 function tabbuilder.init()
1077         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1078
1079         if tabbuilder.current_tab == nil or
1080                 tabbuilder.current_tab == "" then
1081                 tabbuilder.current_tab = "singleplayer"
1082                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1083         end
1084
1085
1086         --initialize tab buttons
1087         tabbuilder.last_tab = nil
1088         tabbuilder.show_buttons = true
1089
1090         tabbuilder.current_buttons = {}
1091         table.insert(tabbuilder.current_buttons,{name="singleplayer", caption="Singleplayer"})
1092         table.insert(tabbuilder.current_buttons,{name="multiplayer", caption="Client"})
1093         table.insert(tabbuilder.current_buttons,{name="server", caption="Server"})
1094         table.insert(tabbuilder.current_buttons,{name="settings", caption="Settings"})
1095
1096         if engine.setting_getbool("main_menu_game_mgr") then
1097                 table.insert(tabbuilder.current_buttons,{name="game_mgr", caption="Games"})
1098         end
1099
1100         if engine.setting_getbool("main_menu_mod_mgr") then
1101                 table.insert(tabbuilder.current_buttons,{name="mod_mgr", caption="Mods"})
1102         end
1103         table.insert(tabbuilder.current_buttons,{name="credits", caption="Credits"})
1104
1105
1106         for i=1,#tabbuilder.current_buttons,1 do
1107                 if tabbuilder.current_buttons[i].name == tabbuilder.current_tab then
1108                         tabbuilder.last_tab_index = i
1109                 end
1110         end
1111
1112         menu.update_gametype()
1113 end
1114
1115 --------------------------------------------------------------------------------
1116 function tabbuilder.tab_multiplayer()
1117
1118         local retval =
1119                 "vertlabel[0,-0.25;CLIENT]" ..
1120                 "label[1,-0.25;Favorites:]"..
1121                 "label[1,4.25;Address/Port]"..
1122                 "label[9,0;Name/Password]" ..
1123                 "field[1.25,5.25;5.5,0.5;te_address;;" ..engine.setting_get("address") .."]" ..
1124                 "field[6.75,5.25;2.25,0.5;te_port;;" ..engine.setting_get("port") .."]" ..
1125                 "button[6.45,3.95;2.25,0.5;btn_delete_favorite;Delete]" ..
1126                 "button[9,4.95;2.5,0.5;btn_mp_connect;Connect]" ..
1127                 "field[9.25,1;2.5,0.5;te_name;;" ..engine.setting_get("name") .."]" ..
1128                 "pwdfield[9.25,1.75;2.5,0.5;te_pwd;]" ..
1129                 "checkbox[1,3.6;cb_public_serverlist;Public Serverlist;" ..
1130                 dump(engine.setting_getbool("public_serverlist")) .. "]" ..
1131                 "textlist[1,0.35;7.5,3.35;favourites;"
1132
1133         if #menu.favorites > 0 then
1134                 retval = retval .. render_favourite(menu.favorites[1])
1135
1136                 for i=2,#menu.favorites,1 do
1137                         retval = retval .. "," .. render_favourite(menu.favorites[i])
1138                 end
1139         end
1140
1141         print("cfav: " .. dump(menu.fav_selected))
1142         if menu.fav_selected ~= nil then
1143                 retval = retval .. ";" .. menu.fav_selected .. "]"
1144         else
1145                 retval = retval .. ";0]"
1146         end
1147
1148         return retval
1149 end
1150
1151 --------------------------------------------------------------------------------
1152 function tabbuilder.tab_server()
1153         local index = engine.setting_get("main_menu_last_world_idx")
1154
1155         if index == nil then
1156                 index = 0
1157         end
1158
1159         local retval =
1160                 "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1161                 "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1162                 "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1163                 "button[8.5,4.9;3.25,0.5;start_server;Start Game]" ..
1164                 "label[4,-0.25;Select World:]"..
1165                 "vertlabel[0,-0.25;START SERVER]" ..
1166                 "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1167                 dump(engine.setting_getbool("creative_mode")) .. "]"..
1168                 "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1169                 dump(engine.setting_getbool("enable_damage")) .. "]"..
1170                 "field[0.8,2.2;3,0.5;te_playername;Name;" ..
1171                 engine.setting_get("name") .. "]" ..
1172                 "pwdfield[0.8,3.2;3,0.5;te_passwd;Password]" ..
1173                 "field[0.8,5.2;3,0.5;te_serverport;Server Port;30000]" ..
1174                 "textlist[4,0.25;7.5,3.7;srv_worlds;"
1175
1176         if #menu.worldlist > 0 then
1177                 retval = retval .. menu.worldlist[1].name ..
1178                                                 " \\[" .. menu.worldlist[1].gameid .. "\\]"
1179
1180                 for i=2,#menu.worldlist,1 do
1181                         retval = retval .. "," .. menu.worldlist[i].name ..
1182                                                 " \\[" .. menu.worldlist[i].gameid .. "\\]"
1183                 end
1184         end
1185
1186         retval = retval .. ";" .. index .. "]"
1187
1188         return retval
1189 end
1190
1191 --------------------------------------------------------------------------------
1192 function tabbuilder.tab_settings()
1193         return  "vertlabel[0,0;SETTINGS]" ..
1194                         "checkbox[1,0.75;cb_fancy_trees;Fancy trees;"           .. dump(engine.setting_getbool("new_style_leaves"))     .. "]"..
1195                         "checkbox[1,1.25;cb_smooth_lighting;Smooth Lighting;".. dump(engine.setting_getbool("smooth_lighting")) .. "]"..
1196                         "checkbox[1,1.75;cb_3d_clouds;3D Clouds;"                       .. dump(engine.setting_getbool("enable_3d_clouds"))     .. "]"..
1197                         "checkbox[1,2.25;cb_opaque_water;Opaque Water;"                 .. dump(engine.setting_getbool("opaque_water"))         .. "]"..
1198
1199                         "checkbox[4,0.75;cb_mipmapping;Mip-Mapping;"            .. dump(engine.setting_getbool("mip_map"))                      .. "]"..
1200                         "checkbox[4,1.25;cb_anisotrophic;Anisotropic Filtering;".. dump(engine.setting_getbool("anisotropic_filter"))   .. "]"..
1201                         "checkbox[4,1.75;cb_bilinear;Bi-Linear Filtering;"      .. dump(engine.setting_getbool("bilinear_filter"))      .. "]"..
1202                         "checkbox[4,2.25;cb_trilinear;Tri-Linear Filtering;"    .. dump(engine.setting_getbool("trilinear_filter"))     .. "]"..
1203
1204                         "checkbox[7.5,0.75;cb_shaders;Shaders;"                         .. dump(engine.setting_getbool("enable_shaders"))               .. "]"..
1205                         "checkbox[7.5,1.25;cb_pre_ivis;Preload item visuals;".. dump(engine.setting_getbool("preload_item_visuals"))    .. "]"..
1206                         "checkbox[7.5,1.75;cb_particles;Enable Particles;"      .. dump(engine.setting_getbool("enable_particles"))     .. "]"..
1207                         "checkbox[7.5,2.25;cb_finite_liquid;Finite Liquid;"     .. dump(engine.setting_getbool("liquid_finite"))                .. "]"..
1208
1209                         "button[1,3.75;2.25,0.5;btn_change_keys;Change keys]"
1210 end
1211
1212 --------------------------------------------------------------------------------
1213 function tabbuilder.tab_singleplayer()
1214         local index = engine.setting_get("main_menu_singleplayer_world_idx")
1215
1216         if index == nil then
1217                 index = 0
1218         end
1219
1220         return  "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1221                         "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1222                         "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1223                         "button[8.5,4.95;3.25,0.5;play;Play]" ..
1224                         "label[4,-0.25;Select World:]"..
1225                         "vertlabel[0,-0.25;SINGLE PLAYER]" ..
1226                         "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1227                         dump(engine.setting_getbool("creative_mode")) .. "]"..
1228                         "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1229                         dump(engine.setting_getbool("enable_damage")) .. "]"..
1230                         "textlist[4,0.25;7.5,3.7;sp_worlds;" ..
1231                         menu.filtered_game_list() ..
1232                         ";" .. index .. "]" ..
1233                         menubar.formspec
1234 end
1235
1236 --------------------------------------------------------------------------------
1237 function tabbuilder.tab_credits()
1238         return  "vertlabel[0,-0.5;CREDITS]" ..
1239                         "label[0.5,3;Minetest " .. engine.get_version() .. "]" ..
1240                         "label[0.5,3.3;http://minetest.net]" ..
1241                         "image[0.5,1;" .. menu.defaulttexturedir .. "logo.png]" ..
1242                         "textlist[3.5,-0.25;8.5,5.8;list_credits;" ..
1243                         "#FFFF00Core Developers," ..
1244                         "Perttu Ahola (celeron55) <celeron55@gmail.com>,"..
1245                         "Ryan Kwolek (kwolekr) <kwolekr@minetest.net>,"..
1246                         "PilzAdam <pilzadam@minetest.net>," ..
1247                         "IIya Zhuravlev (thexyz) <xyz@minetest.net>,"..
1248                         "Lisa Milne (darkrose) <lisa@ltmnet.com>,"..
1249                         "Maciej Kasatkin (RealBadAngel) <mk@realbadangel.pl>,"..
1250                         "proller <proler@gmail.com>,"..
1251                         "sfan5 <sfan5@live.de>,"..
1252                         "kahrl <kahrl@gmx.net>,"..
1253                         ","..
1254                         "#FFFF00Active Contributors," ..
1255                         "sapier,"..
1256                         "Vanessa Ezekowitz (VanessaE) <vanessaezekowitz@gmail.com>,"..
1257                         "Jurgen Doser (doserj) <jurgen.doser@gmail.com>,"..
1258                         "Jeija <jeija@mesecons.net>,"..
1259                         "MirceaKitsune <mirceakitsune@gmail.com>,"..
1260                         "ShadowNinja,"..
1261                         "dannydark <the_skeleton_of_a_child@yahoo.co.uk>,"..
1262                         "0gb.us <0gb.us@0gb.us>,"..
1263                         "," ..
1264                         "#FFFF00Previous Contributors," ..
1265                         "Guiseppe Bilotta (Oblomov) <guiseppe.bilotta@gmail.com>,"..
1266                         "Jonathan Neuschafer <j.neuschaefer@gmx.net>,"..
1267                         "Nils Dagsson Moskopp (erlehmann) <nils@dieweltistgarnichtso.net>,"..
1268                         "Constantin Wenger (SpeedProg) <constantin.wenger@googlemail.com>,"..
1269                         "matttpt <matttpt@gmail.com>,"..
1270                         "JacobF <queatz@gmail.com>,"..
1271                         ";0;true]"
1272 end
1273
1274 --------------------------------------------------------------------------------
1275 function tabbuilder.checkretval(retval)
1276
1277         if retval ~= nil then
1278                 if retval.current_tab ~= nil then
1279                         tabbuilder.current_tab = retval.current_tab
1280                 end
1281
1282                 if retval.is_dialog ~= nil then
1283                         tabbuilder.is_dialog = retval.is_dialog
1284                 end
1285
1286                 if retval.show_buttons ~= nil then
1287                         tabbuilder.show_buttons = retval.show_buttons
1288                 end
1289
1290                 if retval.skipformupdate ~= nil then
1291                         tabbuilder.skipformupdate = retval.skipformupdate
1292                 end
1293         end
1294 end
1295
1296 --------------------------------------------------------------------------------
1297 --------------------------------------------------------------------------------
1298 -- initialize callbacks
1299 --------------------------------------------------------------------------------
1300 --------------------------------------------------------------------------------
1301 engine.button_handler = function(fields)
1302         --print("Buttonhandler: tab: " .. tabbuilder.current_tab .. " fields: " .. dump(fields))
1303
1304         if fields["btn_error_confirm"] then
1305                 gamedata.errormessage = nil
1306         end
1307
1308         local retval = modmgr.handle_buttons(tabbuilder.current_tab,fields)
1309         tabbuilder.checkretval(retval)
1310
1311         retval = gamemgr.handle_buttons(tabbuilder.current_tab,fields)
1312         tabbuilder.checkretval(retval)
1313
1314         retval = modstore.handle_buttons(tabbuilder.current_tab,fields)
1315         tabbuilder.checkretval(retval)
1316
1317         if tabbuilder.current_tab == "dialog_create_world" then
1318                 tabbuilder.handle_create_world_buttons(fields)
1319         end
1320
1321         if tabbuilder.current_tab == "dialog_delete_world" then
1322                 tabbuilder.handle_delete_world_buttons(fields)
1323         end
1324
1325         if tabbuilder.current_tab == "singleplayer" then
1326                 tabbuilder.handle_singleplayer_buttons(fields)
1327         end
1328
1329         if tabbuilder.current_tab == "multiplayer" then
1330                 tabbuilder.handle_multiplayer_buttons(fields)
1331         end
1332
1333         if tabbuilder.current_tab == "settings" then
1334                 tabbuilder.handle_settings_buttons(fields)
1335         end
1336
1337         if tabbuilder.current_tab == "server" then
1338                 tabbuilder.handle_server_buttons(fields)
1339         end
1340
1341         --tab buttons
1342         tabbuilder.handle_tab_buttons(fields)
1343
1344         --menubar buttons
1345         menubar.handle_buttons(fields)
1346
1347         if not tabbuilder.skipformupdate then
1348                 --update menu
1349                 update_menu()
1350         else
1351                 tabbuilder.skipformupdate = false
1352         end
1353 end
1354
1355 --------------------------------------------------------------------------------
1356 engine.event_handler = function(event)
1357         if event == "MenuQuit" then
1358                 if tabbuilder.is_dialog then
1359                         tabbuilder.is_dialog = false
1360                         tabbuilder.show_buttons = true
1361                         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1362                         update_menu()
1363                 else
1364                         engine.close()
1365                 end
1366         end
1367 end
1368
1369 --------------------------------------------------------------------------------
1370 --------------------------------------------------------------------------------
1371 -- menu startup
1372 --------------------------------------------------------------------------------
1373 --------------------------------------------------------------------------------
1374 init_globals()
1375 menu.init()
1376 tabbuilder.init()
1377 menubar.refresh()
1378 modstore.init()
1379 update_menu()