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 and gamedetails ~= 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 and gamedetails ~= nil 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
 207         local path_background_texture = menu.basetexturedir .. "menu_background.png"
 208
 209         if engine.set_background("background",path_background_texture) then
 210                 background_set = true
 211                 engine.set_clouds(false)
 212         else
 213                 engine.set_clouds(true)
 214         end
 215
 216         menu.set_texture("overlay",nil)
 217         menu.set_texture("header",nil)
 218         menu.set_texture("footer",nil)
 219         engine.set_topleft_text("")
 220 end
 221
 222 --------------------------------------------------------------------------------
 223 function get_last_folder(text,count)
 224         local parts = text:split(DIR_DELIM)
 225
 226         if count == nil then
 227                 return parts[#parts]
 228         end
 229
 230         local retval = ""
 231         for i=1,count,1 do
 232                 retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM
 233         end
 234
 235         return retval
 236 end
 237
 238 --------------------------------------------------------------------------------
 239 function init_globals()
 240         --init gamedata
 241         gamedata.worldindex = 0
 242 end
 243
 244 --------------------------------------------------------------------------------
 245 function identify_filetype(name)
 246
 247         if name:sub(-3):lower() == "zip" then
 248                 return {
 249                                 name = name,
 250                                 type = "zip"
 251                                 }
 252         end
 253
 254         if name:sub(-6):lower() == "tar.gz" or
 255                 name:sub(-3):lower() == "tgz"then
 256                 return {
 257                                 name = name,
 258                                 type = "tgz"
 259                                 }
 260         end
 261
 262         if name:sub(-6):lower() == "tar.bz2" then
 263                 return {
 264                                 name = name,
 265                                 type = "tbz"
 266                                 }
 267         end
 268
 269         if name:sub(-2):lower() == "7z" then
 270                 return {
 271                                 name = name,
 272                                 type = "7z"
 273                                 }
 274         end
 275
 276         return {
 277                 name = name,
 278                 type = "ukn"
 279         }
 280 end
 281
 282 --------------------------------------------------------------------------------
 283 function update_menu()
 284
 285         local formspec = "size[12,5.2]"
 286
 287         -- handle errors
 288         if gamedata.errormessage ~= nil then
 289                 formspec = formspec ..
 290                         "field[1,2;10,2;;ERROR: " ..
 291                         gamedata.errormessage ..
 292                         ";]"..
 293                         "button[4.5,4.2;3,0.5;btn_error_confirm;Ok]"
 294         else
 295                 formspec = formspec .. tabbuilder.gettab()
 296         end
 297
 298         engine.update_formspec(formspec)
 299 end
 300
 301 --------------------------------------------------------------------------------
 302 function menu.filtered_game_list()
 303         local retval = ""
 304
 305         local current_game = menu.lastgame()
 306
 307         for i=1,#menu.worldlist,1 do
 308                 if menu.worldlist[i].gameid == current_game.id then
 309                         if retval ~= "" then
 310                                 retval = retval ..","
 311                         end
 312
 313                         retval = retval .. menu.worldlist[i].name ..
 314                                                 " \\[" .. menu.worldlist[i].gameid .. "\\]"
 315                 end
 316         end
 317
 318         return retval
 319 end
 320
 321 --------------------------------------------------------------------------------
 322 function menu.filtered_game_list_raw()
 323         local retval =  {}
 324
 325         local current_game = menu.lastgame()
 326
 327         for i=1,#menu.worldlist,1 do
 328                 if menu.worldlist[i].gameid == current_game.id then
 329                         table.insert(retval,menu.worldlist[i])
 330                 end
 331         end
 332
 333         return retval
 334 end
 335
 336 --------------------------------------------------------------------------------
 337 function menu.filtered_index_to_plain(filtered_index)
 338
 339         local current_game = menu.lastgame()
 340
 341         local temp_idx = 0
 342
 343         if menu.worldlist == nil then
 344                 return -1
 345         end
 346
 347         for i=1,#menu.worldlist,1 do
 348                 if menu.worldlist[i].gameid == current_game.id then
 349                         temp_idx = temp_idx +1
 350                 end
 351
 352                 if temp_idx == filtered_index then
 353                         return i
 354                 end
 355         end
 356         return -1
 357 end
 358
 359 --------------------------------------------------------------------------------
 360 function menu.init()
 361         --init menu data
 362         gamemgr.update_gamelist()
 363
 364         menu.worldlist = engine.get_worlds()
 365
 366         menu.last_world = tonumber(engine.setting_get("main_menu_last_world_idx"))
 367         menu.last_game  = tonumber(engine.setting_get("main_menu_last_game_idx"))
 368
 369         if type(menu.last_world) ~= "number" then
 370                 menu.last_world = 1
 371         end
 372
 373         if type(menu.last_game) ~= "number" then
 374                 menu.last_game = 1
 375         end
 376
 377         if engine.setting_getbool("public_serverlist") then
 378                 menu.favorites = engine.get_favorites("online")
 379         else
 380                 menu.favorites = engine.get_favorites("local")
 381         end
 382
 383
 384         menu.defaulttexturedir = engine.get_gamepath() .. DIR_DELIM .. ".." ..
 385                                                 DIR_DELIM .. "textures" .. DIR_DELIM .. "base" ..
 386                                                 DIR_DELIM .. "pack" .. DIR_DELIM
 387         menu.basetexturedir = menu.defaulttexturedir
 388
 389         menu.texturepack = engine.setting_get("texture_path")
 390
 391         if menu.texturepack ~= nil then
 392                 menu.basetexturedir = menu.texturepack .. DIR_DELIM
 393         end
 394 end
 395
 396 --------------------------------------------------------------------------------
 397 function menu.lastgame()
 398         if menu.last_game > 0 and menu.last_game <= #gamemgr.games then
 399                 return gamemgr.games[menu.last_game]
 400         end
 401
 402         if #gamemgr.games >= 1 then
 403                 menu.last_game = 1
 404                 return gamemgr.games[menu.last_game]
 405         end
 406
 407         --error case!!
 408         return nil
 409 end
 410
 411 --------------------------------------------------------------------------------
 412 function menu.lastworld()
 413         if menu.last_world ~= nil and
 414                 menu.last_world > 0 and
 415                 menu.last_world <= #menu.worldlist then
 416                 return menu.worldlist[menu.last_world]
 417         end
 418
 419         if #menu.worldlist >= 1 then
 420                 menu.last_world = 1
 421                 return menu.worldlist[menu.last_world]
 422         end
 423
 424         --error case!!
 425         return nil
 426 end
 427
 428 --------------------------------------------------------------------------------
 429 function menu.update_last_game(world_idx)
 430         if gamedata.selected_world <= #menu.worldlist then
 431                 local world = menu.worldlist[gamedata.selected_world]
 432
 433                 if world == nil then
 434                         return
 435                 end
 436
 437                 for i=1,#gamemgr.games,1 do
 438                         if gamemgr.games[i].id == world.gameid then
 439                                 menu.last_game = i
 440                                 engine.setting_set("main_menu_last_game_idx",menu.last_game)
 441                                 break
 442                         end
 443                 end
 444         end
 445 end
 446
 447 --------------------------------------------------------------------------------
 448 function menubar.handle_buttons(fields)
 449         for i=1,#menubar.buttons,1 do
 450                 if fields[menubar.buttons[i].btn_name] ~= nil then
 451                         menu.last_game = menubar.buttons[i].index
 452                         engine.setting_set("main_menu_last_game_idx",menu.last_game)
 453                         menu.update_gametype()
 454                 end
 455         end
 456 end
 457
 458 --------------------------------------------------------------------------------
 459 function menubar.refresh()
 460         menubar.formspec = "box[-0.3,5.625;12.4,1.3;000000]" ..
 461                                            "box[-0.3,5.6;12.4,0.05;FFFFFF]"
 462         menubar.buttons = {}
 463
 464         local button_base = -0.25
 465
 466         local maxbuttons = #gamemgr.games
 467
 468         if maxbuttons > 10 then
 469                 maxbuttons = 10
 470         end
 471
 472         for i=1,maxbuttons,1 do
 473
 474                 local btn_name = "menubar_btn_" .. gamemgr.games[i].id
 475                 local buttonpos = button_base + (i-1) * 1.245
 476                 if gamemgr.games[i].menuicon_path ~= nil and
 477                         gamemgr.games[i].menuicon_path ~= "" then
 478
 479                         menubar.formspec = menubar.formspec ..
 480                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;"  ..
 481                                 gamemgr.games[i].menuicon_path .. ";" .. btn_name .. ";;true;false]"
 482                 else
 483
 484                         local part1 = gamemgr.games[i].id:sub(1,5)
 485                         local part2 = gamemgr.games[i].id:sub(6,10)
 486                         local part3 = gamemgr.games[i].id:sub(11)
 487
 488                         local text = part1 .. "\n" .. part2
 489                         if part3 ~= nil and
 490                                 part3 ~= "" then
 491                                 text = text .. "\n" .. part3
 492                         end
 493                         menubar.formspec = menubar.formspec ..
 494                                 "image_button[" .. buttonpos ..  ",5.7;1.3,1.3;;" ..btn_name ..
 495                                 ";" .. text .. ";true;true]"
 496                 end
 497
 498                 local toadd = {
 499                         btn_name = btn_name,
 500                         index = i,
 501                 }
 502
 503                 table.insert(menubar.buttons,toadd)
 504         end
 505 end
 506
 507 --------------------------------------------------------------------------------
 508 function tabbuilder.dialog_create_world()
 509         local mapgens = {"v6", "v7", "indev", "singlenode", "math"}
 510
 511         local current_mg = engine.setting_get("mg_name")
 512
 513         local mglist = ""
 514         local selindex = 1
 515         local i = 1
 516         for k,v in pairs(mapgens) do
 517                 if current_mg == v then
 518                         selindex = i
 519                 end
 520                 i = i + 1
 521                 mglist = mglist .. v .. ","
 522         end
 523         mglist = mglist:sub(1, -2)
 524
 525         local retval =
 526                 "label[2,0;World name]"..
 527                 "label[2,1;Mapgen]"..
 528                 "field[4.5,0.4;6,0.5;te_world_name;;]" ..
 529                 "label[2,2;Game]"..
 530                 "button[5,4.5;2.6,0.5;world_create_confirm;Create]" ..
 531                 "button[7.5,4.5;2.8,0.5;world_create_cancel;Cancel]" ..
 532                 "dropdown[4.2,1;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
 533                 "textlist[4.2,1.9;5.8,2.3;games;" ..
 534                 gamemgr.gamelist() ..
 535                 ";" .. menu.last_game .. ";true]"
 536
 537         return retval
 538 end
 539
 540 --------------------------------------------------------------------------------
 541 function tabbuilder.dialog_delete_world()
 542         return  "label[2,2;Delete World \"" .. menu.lastworld().name .. "\"?]"..
 543                         "button[3.5,4.2;2.6,0.5;world_delete_confirm;Yes]" ..
 544                         "button[6,4.2;2.8,0.5;world_delete_cancel;No]"
 545 end
 546
 547 --------------------------------------------------------------------------------
 548 function tabbuilder.gettab()
 549         local retval = ""
 550
 551         if tabbuilder.show_buttons then
 552                 retval = retval .. tabbuilder.tab_header()
 553         end
 554
 555         if tabbuilder.current_tab == "singleplayer" then
 556                 retval = retval .. tabbuilder.tab_singleplayer()
 557         end
 558
 559         if tabbuilder.current_tab == "multiplayer" then
 560                 retval = retval .. tabbuilder.tab_multiplayer()
 561         end
 562
 563         if tabbuilder.current_tab == "server" then
 564                 retval = retval .. tabbuilder.tab_server()
 565         end
 566
 567         if tabbuilder.current_tab == "settings" then
 568                 retval = retval .. tabbuilder.tab_settings()
 569         end
 570
 571         if tabbuilder.current_tab == "credits" then
 572                 retval = retval .. tabbuilder.tab_credits()
 573         end
 574
 575         if tabbuilder.current_tab == "dialog_create_world" then
 576                 retval = retval .. tabbuilder.dialog_create_world()
 577         end
 578
 579         if tabbuilder.current_tab == "dialog_delete_world" then
 580                 retval = retval .. tabbuilder.dialog_delete_world()
 581         end
 582
 583         retval = retval .. modmgr.gettab(tabbuilder.current_tab)
 584         retval = retval .. gamemgr.gettab(tabbuilder.current_tab)
 585         retval = retval .. modstore.gettab(tabbuilder.current_tab)
 586
 587         return retval
 588 end
 589
 590 --------------------------------------------------------------------------------
 591 function tabbuilder.handle_create_world_buttons(fields)
 592
 593         if fields["world_create_confirm"] or
 594                 fields["key_enter"] then
 595
 596                 local worldname = fields["te_world_name"]
 597                 local gameindex = engine.get_textlist_index("games")
 598
 599                 if gameindex > 0 and
 600                         worldname ~= "" then
 601                         menu.worldlist = engine.get_worlds()
 602
 603                         local found = false
 604                         for i=1,#menu.worldlist,1 do
 605                                 if menu.worldlist[i].name == worldname then
 606                                         found = true
 607                                         break
 608                                 end
 609                         end
 610
 611                         local message = nil
 612
 613                         if not found then
 614                                 engine.setting_set("mg_name",fields["dd_mapgen"])
 615                                 message = engine.create_world(worldname,gameindex)
 616                         else
 617                                 message = "A world named \"" .. worldname .. "\" already exists"
 618                         end
 619
 620                         if message ~= nil then
 621                                 gamedata.errormessage = message
 622                         else
 623                                 menu.last_game = gameindex
 624                                 engine.setting_set("main_menu_last_game_idx",gameindex)
 625                                 menu.worldlist = engine.get_worlds()
 626
 627                                 local worldlist = menu.worldlist
 628
 629                                 if tabbuilder.current_tab == "singleplayer" then
 630                                         worldlist = menu.filtered_game_list_raw()
 631                                 end
 632
 633                                 local index = 0
 634
 635                                 for i=1,#worldlist,1 do
 636                                         if worldlist[i].name == worldname then
 637                                                 index = i
 638                                                 break
 639                                         end
 640                                 end
 641
 642                                 engine.setting_set("main_menu_singleplayer_world_idx", index)
 643                                 menu.last_world = index
 644                         end
 645                 else
 646                         gamedata.errormessage = "No worldname given or no game selected"
 647                 end
 648         end
 649
 650         if fields["games"] then
 651                 tabbuilder.skipformupdate = true
 652                 return
 653         end
 654
 655         tabbuilder.is_dialog = false
 656         tabbuilder.show_buttons = true
 657         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 658 end
 659
 660 --------------------------------------------------------------------------------
 661 function tabbuilder.handle_delete_world_buttons(fields)
 662
 663         if fields["world_delete_confirm"] then
 664                 if menu.last_world > 0 and
 665                         menu.last_world <= #menu.worldlist then
 666                         engine.delete_world(menu.last_world)
 667                         menu.worldlist = engine.get_worlds()
 668                         menu.last_world = 1
 669                 end
 670         end
 671
 672         tabbuilder.is_dialog = false
 673         tabbuilder.show_buttons = true
 674         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
 675 end
 676
 677 --------------------------------------------------------------------------------
 678 function tabbuilder.handle_multiplayer_buttons(fields)
 679
 680         if fields["te_name"] ~= nil then
 681                 gamedata.playername = fields["te_name"]
 682                 engine.setting_set("name", fields["te_name"])
 683         end
 684
 685         if fields["favourites"] ~= nil then
 686                 local event = explode_textlist_event(fields["favourites"])
 687                 if event.typ == "DCL" then
 688                         --gamedata.address = menu.favorites[event.index].name
 689                         if gamedata.address == nil then
 690                                 gamedata.address = menu.favorites[event.index].address
 691                         end
 692                         gamedata.port = menu.favorites[event.index].port
 693                         gamedata.playername             = fields["te_name"]
 694                         if fields["te_pwd"] ~= nil then
 695                                 gamedata.password               = fields["te_pwd"]
 696                         end
 697                         gamedata.selected_world = 0
 698
 699                         if gamedata.address ~= nil and
 700                                 gamedata.port ~= nil then
 701
 702                                 engine.start()
 703                         end
 704                 end
 705
 706                 if event.typ == "CHG" then
 707                         local address = menu.favorites[event.index].name
 708                         if address == nil then
 709                                 address = menu.favorites[event.index].address
 710                         end
 711                         local port = menu.favorites[event.index].port
 712
 713                         if address ~= nil and
 714                                 port ~= nil then
 715                                 engine.setting_set("address",address)
 716                                 engine.setting_set("port",port)
 717                         end
 718
 719                         menu.fav_selected = event.index
 720                 end
 721                 return
 722         end
 723
 724         if fields["key_up"] ~= nil or
 725                 fields["key_down"] ~= nil then
 726
 727                 local fav_idx = engine.get_textlist_index("favourites")
 728
 729                 if fields["key_up"] ~= nil and fav_idx > 1 then
 730                         fav_idx = fav_idx -1
 731                 else if fields["key_down"] and fav_idx < #menu.favorites then
 732                         fav_idx = fav_idx +1
 733                 end end
 734
 735                 local address = menu.favorites[fav_idx].name
 736                 if address == nil then
 737                         address = menu.favorites[fav_idx].address
 738                 end
 739                 local port = menu.favorites[fav_idx].port
 740
 741                 if address ~= nil and
 742                         port ~= nil then
 743                         engine.setting_set("address",address)
 744                         engine.setting_set("port",port)
 745                 end
 746
 747                 menu.fav_selected = fav_idx
 748                 return
 749         end
 750
 751         if fields["cb_public_serverlist"] ~= nil then
 752                 engine.setting_setbool("public_serverlist",
 753                         tabbuilder.tobool(fields["cb_public_serverlist"]))
 754
 755                 if engine.setting_getbool("public_serverlist") then
 756                         menu.favorites = engine.get_favorites("online")
 757                 else
 758                         menu.favorites = engine.get_favorites("local")
 759                 end
 760
 761                 return
 762         end
 763
 764         if fields["btn_delete_favorite"] ~= nil then
 765                 local current_favourite = engine.get_textlist_index("favourites")
 766                 engine.delete_favorite(current_favourite)
 767                 menu.favorites = engine.get_favorites()
 768
 769                 engine.setting_set("address","")
 770                 engine.setting_get("port","")
 771
 772                 return
 773         end
 774
 775         if fields["btn_mp_connect"] ~= nil or
 776                 fields["key_enter"] then
 777
 778                 gamedata.playername             = fields["te_name"]
 779                 gamedata.password               = fields["te_pwd"]
 780                 gamedata.address                = fields["te_address"]
 781                 gamedata.port                   = fields["te_port"]
 782                 gamedata.selected_world = 0
 783
 784                 engine.start()
 785                 return
 786         end
 787 end
 788
 789 --------------------------------------------------------------------------------
 790 function tabbuilder.handle_server_buttons(fields)
 791
 792         local world_doubleclick = false
 793
 794         if fields["srv_worlds"] ~= nil then
 795                 local event = explode_textlist_event(fields["srv_worlds"])
 796
 797                 if event.typ == "DCL" then
 798                         world_doubleclick = true
 799                 end
 800                 if event.typ == "CHG" then
 801                         engine.setting_set("main_menu_last_world_idx",engine.get_textlist_index("srv_worlds"))
 802                 end
 803         end
 804
 805                 if fields["key_up"] then
 806                 local oldidx = engine.get_textlist_index("srv_worlds")
 807
 808                 if oldidx > 1 then
 809                         local newidx = oldidx -1
 810                         engine.setting_set("main_menu_last_world_idx",newidx)
 811                 end
 812         end
 813
 814         if fields["key_down"] then
 815                 local oldidx = engine.get_textlist_index("srv_worlds")
 816
 817                 if oldidx < #menu.worldlist then
 818                         local newidx = oldidx + 1
 819                         engine.setting_set("main_menu_last_world_idx",newidx)
 820                 end
 821         end
 822
 823         if fields["cb_creative_mode"] then
 824                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 825         end
 826
 827         if fields["cb_enable_damage"] then
 828                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 829         end
 830
 831         if fields["cb_server_announce"] then
 832                 engine.setting_setbool("server_announce",tabbuilder.tobool(fields["cb_server_announce"]))
 833         end
 834
 835
 836         if fields["start_server"] ~= nil or
 837                 world_doubleclick or
 838                 fields["key_enter"] then
 839                 local selected = engine.get_textlist_index("srv_worlds")
 840                 if selected > 0 then
 841
 842                         gamedata.playername             = fields["te_playername"]
 843                         gamedata.password               = fields["te_passwd"]
 844                         gamedata.port                   = fields["te_serverport"]
 845                         gamedata.address                = ""
 846                         gamedata.selected_world = selected
 847
 848                         engine.setting_set("main_menu_tab",tabbuilder.current_tab)
 849                         engine.setting_set("main_menu_last_world_idx",gamedata.selected_world)
 850
 851                         menu.update_last_game(gamedata.selected_world)
 852                         engine.start()
 853                 end
 854         end
 855
 856         if fields["world_create"] ~= nil then
 857                 tabbuilder.current_tab = "dialog_create_world"
 858                 tabbuilder.is_dialog = true
 859                 tabbuilder.show_buttons = false
 860         end
 861
 862         if fields["world_delete"] ~= nil then
 863                 local selected = engine.get_textlist_index("srv_worlds")
 864                 if selected > 0 then
 865                         menu.last_world = engine.get_textlist_index("srv_worlds")
 866                         if menu.lastworld() ~= nil and
 867                                 menu.lastworld().name ~= nil and
 868                                 menu.lastworld().name ~= "" then
 869                                 tabbuilder.current_tab = "dialog_delete_world"
 870                                 tabbuilder.is_dialog = true
 871                                 tabbuilder.show_buttons = false
 872                         else
 873                                 menu.last_world = 0
 874                         end
 875                 end
 876         end
 877
 878         if fields["world_configure"] ~= nil then
 879                 selected = engine.get_textlist_index("srv_worlds")
 880                 if selected > 0 then
 881                         modmgr.world_config_selected_world = selected
 882                         if modmgr.init_worldconfig() then
 883                                 tabbuilder.current_tab = "dialog_configure_world"
 884                                 tabbuilder.is_dialog = true
 885                                 tabbuilder.show_buttons = false
 886                         end
 887                 end
 888         end
 889 end
 890
 891 --------------------------------------------------------------------------------
 892 function tabbuilder.tobool(text)
 893         if text == "true" then
 894                 return true
 895         else
 896                 return false
 897         end
 898 end
 899
 900 --------------------------------------------------------------------------------
 901 function tabbuilder.handle_settings_buttons(fields)
 902         if fields["cb_fancy_trees"] then
 903                 engine.setting_setbool("new_style_leaves",tabbuilder.tobool(fields["cb_fancy_trees"]))
 904         end
 905
 906         if fields["cb_smooth_lighting"] then
 907                 engine.setting_setbool("smooth_lighting",tabbuilder.tobool(fields["cb_smooth_lighting"]))
 908         end
 909         if fields["cb_3d_clouds"] then
 910                 engine.setting_setbool("enable_3d_clouds",tabbuilder.tobool(fields["cb_3d_clouds"]))
 911         end
 912         if fields["cb_opaque_water"] then
 913                 engine.setting_setbool("opaque_water",tabbuilder.tobool(fields["cb_opaque_water"]))
 914         end
 915
 916         if fields["cb_mipmapping"] then
 917                 engine.setting_setbool("mip_map",tabbuilder.tobool(fields["cb_mipmapping"]))
 918         end
 919         if fields["cb_anisotrophic"] then
 920                 engine.setting_setbool("anisotropic_filter",tabbuilder.tobool(fields["cb_anisotrophic"]))
 921         end
 922         if fields["cb_bilinear"] then
 923                 engine.setting_setbool("bilinear_filter",tabbuilder.tobool(fields["cb_bilinear"]))
 924         end
 925         if fields["cb_trilinear"] then
 926                 engine.setting_setbool("trilinear_filter",tabbuilder.tobool(fields["cb_trilinear"]))
 927         end
 928
 929         if fields["cb_shaders"] then
 930                 engine.setting_setbool("enable_shaders",tabbuilder.tobool(fields["cb_shaders"]))
 931         end
 932         if fields["cb_pre_ivis"] then
 933                 engine.setting_setbool("preload_item_visuals",tabbuilder.tobool(fields["cb_pre_ivis"]))
 934         end
 935         if fields["cb_particles"] then
 936                 engine.setting_setbool("enable_particles",tabbuilder.tobool(fields["cb_particles"]))
 937         end
 938         if fields["cb_finite_liquid"] then
 939                 engine.setting_setbool("liquid_finite",tabbuilder.tobool(fields["cb_finite_liquid"]))
 940         end
 941
 942         if fields["btn_change_keys"] ~= nil then
 943                 engine.show_keys_menu()
 944         end
 945 end
 946
 947 --------------------------------------------------------------------------------
 948 function tabbuilder.handle_singleplayer_buttons(fields)
 949
 950         local world_doubleclick = false
 951
 952         if fields["sp_worlds"] ~= nil then
 953                 local event = explode_textlist_event(fields["sp_worlds"])
 954
 955                 if event.typ == "DCL" then
 956                         world_doubleclick = true
 957                 end
 958
 959                 if event.typ == "CHG" then
 960                         engine.setting_set("main_menu_singleplayer_world_idx",engine.get_textlist_index("sp_worlds"))
 961                 end
 962         end
 963
 964         if fields["key_up"] then
 965                 local oldidx = engine.get_textlist_index("sp_worlds")
 966
 967                 if oldidx > 1 then
 968                         local newidx = oldidx -1
 969                         engine.setting_set("main_menu_singleplayer_world_idx",newidx)
 970                 end
 971         end
 972
 973         if fields["key_down"] then
 974                 local oldidx = engine.get_textlist_index("sp_worlds")
 975
 976                 if oldidx < #menu.filtered_game_list_raw() then
 977                         local newidx = oldidx + 1
 978                         engine.setting_set("main_menu_singleplayer_world_idx",newidx)
 979                 end
 980         end
 981
 982         if fields["cb_creative_mode"] then
 983                 engine.setting_setbool("creative_mode",tabbuilder.tobool(fields["cb_creative_mode"]))
 984         end
 985
 986         if fields["cb_enable_damage"] then
 987                 engine.setting_setbool("enable_damage",tabbuilder.tobool(fields["cb_enable_damage"]))
 988         end
 989
 990         if fields["play"] ~= nil or
 991                 world_doubleclick or
 992                 fields["key_enter"] then
 993                 local selected = engine.get_textlist_index("sp_worlds")
 994                 if selected > 0 then
 995                         gamedata.selected_world = menu.filtered_index_to_plain(selected)
 996                         gamedata.singleplayer   = true
 997
 998                         engine.setting_set("main_menu_tab",tabbuilder.current_tab)
 999                         engine.setting_set("main_menu_singleplayer_world_idx",selected)
1000
1001                         menu.update_last_game(gamedata.selected_world)
1002
1003                         engine.start()
1004                 end
1005         end
1006
1007         if fields["world_create"] ~= nil then
1008                 tabbuilder.current_tab = "dialog_create_world"
1009                 tabbuilder.is_dialog = true
1010                 tabbuilder.show_buttons = false
1011         end
1012
1013         if fields["world_delete"] ~= nil then
1014                 local selected = engine.get_textlist_index("sp_worlds")
1015                 if selected > 0 then
1016                         menu.last_world = menu.filtered_index_to_plain(selected)
1017                         if menu.lastworld() ~= nil and
1018                                 menu.lastworld().name ~= nil and
1019                                 menu.lastworld().name ~= "" then
1020                                 tabbuilder.current_tab = "dialog_delete_world"
1021                                 tabbuilder.is_dialog = true
1022                                 tabbuilder.show_buttons = false
1023                         else
1024                                 menu.last_world = 0
1025                         end
1026                 end
1027         end
1028
1029         if fields["world_configure"] ~= nil then
1030                 selected = engine.get_textlist_index("sp_worlds")
1031                 if selected > 0 then
1032                         modmgr.world_config_selected_world = menu.filtered_index_to_plain(selected)
1033                         if modmgr.init_worldconfig() then
1034                                 tabbuilder.current_tab = "dialog_configure_world"
1035                                 tabbuilder.is_dialog = true
1036                                 tabbuilder.show_buttons = false
1037                         end
1038                 end
1039         end
1040 end
1041
1042 --------------------------------------------------------------------------------
1043 function tabbuilder.tab_header()
1044
1045         if tabbuilder.last_tab_index == nil then
1046                 tabbuilder.last_tab_index = 1
1047         end
1048
1049         local toadd = ""
1050
1051         for i=1,#tabbuilder.current_buttons,1 do
1052
1053                 if toadd ~= "" then
1054                         toadd = toadd .. ","
1055                 end
1056
1057                 toadd = toadd .. tabbuilder.current_buttons[i].caption
1058         end
1059         return "tabheader[-0.3,-0.99;main_tab;" .. toadd ..";" .. tabbuilder.last_tab_index .. ";true;false]"
1060 end
1061
1062 --------------------------------------------------------------------------------
1063 function tabbuilder.handle_tab_buttons(fields)
1064
1065         if fields["main_tab"] then
1066                 local index = tonumber(fields["main_tab"])
1067                 tabbuilder.last_tab_index = index
1068                 tabbuilder.current_tab = tabbuilder.current_buttons[index].name
1069
1070                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1071         end
1072
1073         --handle tab changes
1074         if tabbuilder.current_tab ~= tabbuilder.old_tab then
1075                 if tabbuilder.current_tab ~= "singleplayer" then
1076                         menu.reset_gametype()
1077                 end
1078         end
1079
1080         if tabbuilder.current_tab == "singleplayer" then
1081                 menu.update_gametype()
1082         end
1083
1084         tabbuilder.old_tab = tabbuilder.current_tab
1085 end
1086
1087 --------------------------------------------------------------------------------
1088 function tabbuilder.init()
1089         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1090
1091         if tabbuilder.current_tab == nil or
1092                 tabbuilder.current_tab == "" then
1093                 tabbuilder.current_tab = "singleplayer"
1094                 engine.setting_set("main_menu_tab",tabbuilder.current_tab)
1095         end
1096
1097
1098         --initialize tab buttons
1099         tabbuilder.last_tab = nil
1100         tabbuilder.show_buttons = true
1101
1102         tabbuilder.current_buttons = {}
1103         table.insert(tabbuilder.current_buttons,{name="singleplayer", caption="Singleplayer"})
1104         table.insert(tabbuilder.current_buttons,{name="multiplayer", caption="Client"})
1105         table.insert(tabbuilder.current_buttons,{name="server", caption="Server"})
1106         table.insert(tabbuilder.current_buttons,{name="settings", caption="Settings"})
1107
1108         if engine.setting_getbool("main_menu_game_mgr") then
1109                 table.insert(tabbuilder.current_buttons,{name="game_mgr", caption="Games"})
1110         end
1111
1112         if engine.setting_getbool("main_menu_mod_mgr") then
1113                 table.insert(tabbuilder.current_buttons,{name="mod_mgr", caption="Mods"})
1114         end
1115         table.insert(tabbuilder.current_buttons,{name="credits", caption="Credits"})
1116
1117
1118         for i=1,#tabbuilder.current_buttons,1 do
1119                 if tabbuilder.current_buttons[i].name == tabbuilder.current_tab then
1120                         tabbuilder.last_tab_index = i
1121                 end
1122         end
1123
1124         menu.update_gametype()
1125 end
1126
1127 --------------------------------------------------------------------------------
1128 function tabbuilder.tab_multiplayer()
1129
1130         local retval =
1131                 "vertlabel[0,-0.25;CLIENT]" ..
1132                 "label[1,-0.25;Favorites:]"..
1133                 "label[1,4.25;Address/Port]"..
1134                 "label[9,0;Name/Password]" ..
1135                 "field[1.25,5.25;5.5,0.5;te_address;;" ..engine.setting_get("address") .."]" ..
1136                 "field[6.75,5.25;2.25,0.5;te_port;;" ..engine.setting_get("port") .."]" ..
1137                 "button[6.45,3.95;2.25,0.5;btn_delete_favorite;Delete]" ..
1138                 "button[9,4.95;2.5,0.5;btn_mp_connect;Connect]" ..
1139                 "field[9.25,1;2.5,0.5;te_name;;" ..engine.setting_get("name") .."]" ..
1140                 "pwdfield[9.25,1.75;2.5,0.5;te_pwd;]" ..
1141                 "checkbox[1,3.6;cb_public_serverlist;Public Serverlist;" ..
1142                 dump(engine.setting_getbool("public_serverlist")) .. "]" ..
1143                 "textlist[1,0.35;7.5,3.35;favourites;"
1144
1145         if #menu.favorites > 0 then
1146                 retval = retval .. render_favourite(menu.favorites[1])
1147
1148                 for i=2,#menu.favorites,1 do
1149                         retval = retval .. "," .. render_favourite(menu.favorites[i])
1150                 end
1151         end
1152
1153         print("cfav: " .. dump(menu.fav_selected))
1154         if menu.fav_selected ~= nil then
1155                 retval = retval .. ";" .. menu.fav_selected .. "]"
1156         else
1157                 retval = retval .. ";0]"
1158         end
1159
1160         return retval
1161 end
1162
1163 --------------------------------------------------------------------------------
1164 function tabbuilder.tab_server()
1165         local index = engine.setting_get("main_menu_last_world_idx")
1166
1167         if index == nil then
1168                 index = 0
1169         end
1170
1171         local retval =
1172                 "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1173                 "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1174                 "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1175                 "button[8.5,4.9;3.25,0.5;start_server;Start Game]" ..
1176                 "label[4,-0.25;Select World:]"..
1177                 "vertlabel[0,-0.25;START SERVER]" ..
1178                 "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1179                 dump(engine.setting_getbool("creative_mode")) .. "]"..
1180                 "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1181                 dump(engine.setting_getbool("enable_damage")) .. "]"..
1182                 "checkbox[0.5,1.15;cb_server_announce;Public;" ..
1183                 dump(engine.setting_getbool("server_announce")) .. "]"..
1184                 "field[0.8,3.2;3,0.5;te_playername;Name;" ..
1185                 engine.setting_get("name") .. "]" ..
1186                 "pwdfield[0.8,4.2;3,0.5;te_passwd;Password]" ..
1187                 "field[0.8,5.2;3,0.5;te_serverport;Server Port;30000]" ..
1188                 "textlist[4,0.25;7.5,3.7;srv_worlds;"
1189
1190         if #menu.worldlist > 0 then
1191                 retval = retval .. menu.worldlist[1].name ..
1192                                                 " \\[" .. menu.worldlist[1].gameid .. "\\]"
1193
1194                 for i=2,#menu.worldlist,1 do
1195                         retval = retval .. "," .. menu.worldlist[i].name ..
1196                                                 " \\[" .. menu.worldlist[i].gameid .. "\\]"
1197                 end
1198         end
1199
1200         retval = retval .. ";" .. index .. "]"
1201
1202         return retval
1203 end
1204
1205 --------------------------------------------------------------------------------
1206 function tabbuilder.tab_settings()
1207         return  "vertlabel[0,0;SETTINGS]" ..
1208                         "checkbox[1,0.75;cb_fancy_trees;Fancy trees;"           .. dump(engine.setting_getbool("new_style_leaves"))     .. "]"..
1209                         "checkbox[1,1.25;cb_smooth_lighting;Smooth Lighting;".. dump(engine.setting_getbool("smooth_lighting")) .. "]"..
1210                         "checkbox[1,1.75;cb_3d_clouds;3D Clouds;"                       .. dump(engine.setting_getbool("enable_3d_clouds"))     .. "]"..
1211                         "checkbox[1,2.25;cb_opaque_water;Opaque Water;"                 .. dump(engine.setting_getbool("opaque_water"))         .. "]"..
1212
1213                         "checkbox[4,0.75;cb_mipmapping;Mip-Mapping;"            .. dump(engine.setting_getbool("mip_map"))                      .. "]"..
1214                         "checkbox[4,1.25;cb_anisotrophic;Anisotropic Filtering;".. dump(engine.setting_getbool("anisotropic_filter"))   .. "]"..
1215                         "checkbox[4,1.75;cb_bilinear;Bi-Linear Filtering;"      .. dump(engine.setting_getbool("bilinear_filter"))      .. "]"..
1216                         "checkbox[4,2.25;cb_trilinear;Tri-Linear Filtering;"    .. dump(engine.setting_getbool("trilinear_filter"))     .. "]"..
1217
1218                         "checkbox[7.5,0.75;cb_shaders;Shaders;"                         .. dump(engine.setting_getbool("enable_shaders"))               .. "]"..
1219                         "checkbox[7.5,1.25;cb_pre_ivis;Preload item visuals;".. dump(engine.setting_getbool("preload_item_visuals"))    .. "]"..
1220                         "checkbox[7.5,1.75;cb_particles;Enable Particles;"      .. dump(engine.setting_getbool("enable_particles"))     .. "]"..
1221                         "checkbox[7.5,2.25;cb_finite_liquid;Finite Liquid;"     .. dump(engine.setting_getbool("liquid_finite"))                .. "]"..
1222
1223                         "button[1,3.75;2.25,0.5;btn_change_keys;Change keys]"
1224 end
1225
1226 --------------------------------------------------------------------------------
1227 function tabbuilder.tab_singleplayer()
1228         local index = engine.setting_get("main_menu_singleplayer_world_idx")
1229
1230         if index == nil then
1231                 index = 0
1232         end
1233
1234         return  "button[4,4.15;2.6,0.5;world_delete;Delete]" ..
1235                         "button[6.5,4.15;2.8,0.5;world_create;New]" ..
1236                         "button[9.2,4.15;2.55,0.5;world_configure;Configure]" ..
1237                         "button[8.5,4.95;3.25,0.5;play;Play]" ..
1238                         "label[4,-0.25;Select World:]"..
1239                         "vertlabel[0,-0.25;SINGLE PLAYER]" ..
1240                         "checkbox[0.5,0.25;cb_creative_mode;Creative Mode;" ..
1241                         dump(engine.setting_getbool("creative_mode")) .. "]"..
1242                         "checkbox[0.5,0.7;cb_enable_damage;Enable Damage;" ..
1243                         dump(engine.setting_getbool("enable_damage")) .. "]"..
1244                         "textlist[4,0.25;7.5,3.7;sp_worlds;" ..
1245                         menu.filtered_game_list() ..
1246                         ";" .. index .. "]" ..
1247                         menubar.formspec
1248 end
1249
1250 --------------------------------------------------------------------------------
1251 function tabbuilder.tab_credits()
1252         return  "vertlabel[0,-0.5;CREDITS]" ..
1253                         "label[0.5,3;Minetest " .. engine.get_version() .. "]" ..
1254                         "label[0.5,3.3;http://minetest.net]" ..
1255                         "image[0.5,1;" .. menu.defaulttexturedir .. "logo.png]" ..
1256                         "textlist[3.5,-0.25;8.5,5.8;list_credits;" ..
1257                         "#FFFF00Core Developers," ..
1258                         "Perttu Ahola (celeron55) <celeron55@gmail.com>,"..
1259                         "Ryan Kwolek (kwolekr) <kwolekr@minetest.net>,"..
1260                         "PilzAdam <pilzadam@minetest.net>," ..
1261                         "IIya Zhuravlev (thexyz) <xyz@minetest.net>,"..
1262                         "Lisa Milne (darkrose) <lisa@ltmnet.com>,"..
1263                         "Maciej Kasatkin (RealBadAngel) <mk@realbadangel.pl>,"..
1264                         "proller <proler@gmail.com>,"..
1265                         "sfan5 <sfan5@live.de>,"..
1266                         "kahrl <kahrl@gmx.net>,"..
1267                         ","..
1268                         "#FFFF00Active Contributors," ..
1269                         "sapier,"..
1270                         "Vanessa Ezekowitz (VanessaE) <vanessaezekowitz@gmail.com>,"..
1271                         "Jurgen Doser (doserj) <jurgen.doser@gmail.com>,"..
1272                         "Jeija <jeija@mesecons.net>,"..
1273                         "MirceaKitsune <mirceakitsune@gmail.com>,"..
1274                         "ShadowNinja,"..
1275                         "dannydark <the_skeleton_of_a_child@yahoo.co.uk>,"..
1276                         "0gb.us <0gb.us@0gb.us>,"..
1277                         "," ..
1278                         "#FFFF00Previous Contributors," ..
1279                         "Guiseppe Bilotta (Oblomov) <guiseppe.bilotta@gmail.com>,"..
1280                         "Jonathan Neuschafer <j.neuschaefer@gmx.net>,"..
1281                         "Nils Dagsson Moskopp (erlehmann) <nils@dieweltistgarnichtso.net>,"..
1282                         "Constantin Wenger (SpeedProg) <constantin.wenger@googlemail.com>,"..
1283                         "matttpt <matttpt@gmail.com>,"..
1284                         "JacobF <queatz@gmail.com>,"..
1285                         ";0;true]"
1286 end
1287
1288 --------------------------------------------------------------------------------
1289 function tabbuilder.checkretval(retval)
1290
1291         if retval ~= nil then
1292                 if retval.current_tab ~= nil then
1293                         tabbuilder.current_tab = retval.current_tab
1294                 end
1295
1296                 if retval.is_dialog ~= nil then
1297                         tabbuilder.is_dialog = retval.is_dialog
1298                 end
1299
1300                 if retval.show_buttons ~= nil then
1301                         tabbuilder.show_buttons = retval.show_buttons
1302                 end
1303
1304                 if retval.skipformupdate ~= nil then
1305                         tabbuilder.skipformupdate = retval.skipformupdate
1306                 end
1307         end
1308 end
1309
1310 --------------------------------------------------------------------------------
1311 --------------------------------------------------------------------------------
1312 -- initialize callbacks
1313 --------------------------------------------------------------------------------
1314 --------------------------------------------------------------------------------
1315 engine.button_handler = function(fields)
1316         --print("Buttonhandler: tab: " .. tabbuilder.current_tab .. " fields: " .. dump(fields))
1317
1318         if fields["btn_error_confirm"] then
1319                 gamedata.errormessage = nil
1320         end
1321
1322         local retval = modmgr.handle_buttons(tabbuilder.current_tab,fields)
1323         tabbuilder.checkretval(retval)
1324
1325         retval = gamemgr.handle_buttons(tabbuilder.current_tab,fields)
1326         tabbuilder.checkretval(retval)
1327
1328         retval = modstore.handle_buttons(tabbuilder.current_tab,fields)
1329         tabbuilder.checkretval(retval)
1330
1331         if tabbuilder.current_tab == "dialog_create_world" then
1332                 tabbuilder.handle_create_world_buttons(fields)
1333         end
1334
1335         if tabbuilder.current_tab == "dialog_delete_world" then
1336                 tabbuilder.handle_delete_world_buttons(fields)
1337         end
1338
1339         if tabbuilder.current_tab == "singleplayer" then
1340                 tabbuilder.handle_singleplayer_buttons(fields)
1341         end
1342
1343         if tabbuilder.current_tab == "multiplayer" then
1344                 tabbuilder.handle_multiplayer_buttons(fields)
1345         end
1346
1347         if tabbuilder.current_tab == "settings" then
1348                 tabbuilder.handle_settings_buttons(fields)
1349         end
1350
1351         if tabbuilder.current_tab == "server" then
1352                 tabbuilder.handle_server_buttons(fields)
1353         end
1354
1355         --tab buttons
1356         tabbuilder.handle_tab_buttons(fields)
1357
1358         --menubar buttons
1359         menubar.handle_buttons(fields)
1360
1361         if not tabbuilder.skipformupdate then
1362                 --update menu
1363                 update_menu()
1364         else
1365                 tabbuilder.skipformupdate = false
1366         end
1367 end
1368
1369 --------------------------------------------------------------------------------
1370 engine.event_handler = function(event)
1371         if event == "MenuQuit" then
1372                 if tabbuilder.is_dialog then
1373                         tabbuilder.is_dialog = false
1374                         tabbuilder.show_buttons = true
1375                         tabbuilder.current_tab = engine.setting_get("main_menu_tab")
1376                         update_menu()
1377                 else
1378                         engine.close()
1379                 end
1380         end
1381 end
1382
1383 --------------------------------------------------------------------------------
1384 --------------------------------------------------------------------------------
1385 -- menu startup
1386 --------------------------------------------------------------------------------
1387 --------------------------------------------------------------------------------
1388 init_globals()
1389 menu.init()
1390 tabbuilder.init()
1391 menubar.refresh()
1392 modstore.init()
1393 update_menu()