src/script/lua_api/l_mainmenu.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 sapier
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "lua_api/l_mainmenu.h"
  21 #include "lua_api/l_internal.h"
  22 #include "common/c_content.h"
  23 #include "cpp_api/s_async.h"
  24 #include "gui/guiEngine.h"
  25 #include "gui/guiMainMenu.h"
  26 #include "gui/guiKeyChangeMenu.h"
  27 #include "gui/guiPathSelectMenu.h"
  28 #include "version.h"
  29 #include "porting.h"
  30 #include "filesys.h"
  31 #include "convert_json.h"
  32 #include "content/packages.h"
  33 #include "content/content.h"
  34 #include "content/subgames.h"
  35 #include "serverlist.h"
  36 #include "mapgen/mapgen.h"
  37 #include "settings.h"
  38
  39 #include <IFileArchive.h>
  40 #include <IFileSystem.h>
  41 #include "client/renderingengine.h"
  42
  43
  44 /******************************************************************************/
  45 std::string ModApiMainMenu::getTextData(lua_State *L, std::string name)
  46 {
  47         lua_getglobal(L, "gamedata");
  48
  49         lua_getfield(L, -1, name.c_str());
  50
  51         if(lua_isnil(L, -1))
  52                 return "";
  53
  54         return luaL_checkstring(L, -1);
  55 }
  56
  57 /******************************************************************************/
  58 int ModApiMainMenu::getIntegerData(lua_State *L, std::string name,bool& valid)
  59 {
  60         lua_getglobal(L, "gamedata");
  61
  62         lua_getfield(L, -1, name.c_str());
  63
  64         if(lua_isnil(L, -1)) {
  65                 valid = false;
  66                 return -1;
  67                 }
  68
  69         valid = true;
  70         return luaL_checkinteger(L, -1);
  71 }
  72
  73 /******************************************************************************/
  74 int ModApiMainMenu::getBoolData(lua_State *L, std::string name,bool& valid)
  75 {
  76         lua_getglobal(L, "gamedata");
  77
  78         lua_getfield(L, -1, name.c_str());
  79
  80         if(lua_isnil(L, -1)) {
  81                 valid = false;
  82                 return false;
  83                 }
  84
  85         valid = true;
  86         return lua_toboolean(L, -1);
  87 }
  88
  89 /******************************************************************************/
  90 int ModApiMainMenu::l_update_formspec(lua_State *L)
  91 {
  92         GUIEngine* engine = getGuiEngine(L);
  93         sanity_check(engine != NULL);
  94
  95         if (engine->m_startgame)
  96                 return 0;
  97
  98         //read formspec
  99         std::string formspec(luaL_checkstring(L, 1));
 100
 101         if (engine->m_formspecgui != 0) {
 102                 engine->m_formspecgui->setForm(formspec);
 103         }
 104
 105         return 0;
 106 }
 107
 108 /******************************************************************************/
 109 int ModApiMainMenu::l_start(lua_State *L)
 110 {
 111         GUIEngine* engine = getGuiEngine(L);
 112         sanity_check(engine != NULL);
 113
 114         //update c++ gamedata from lua table
 115
 116         bool valid = false;
 117
 118         MainMenuData *data = engine->m_data;
 119
 120         data->selected_world = getIntegerData(L, "selected_world",valid) -1;
 121         data->simple_singleplayer_mode = getBoolData(L,"singleplayer",valid);
 122         data->do_reconnect = getBoolData(L, "do_reconnect", valid);
 123         if (!data->do_reconnect) {
 124                 data->name     = getTextData(L,"playername");
 125                 data->password = getTextData(L,"password");
 126                 data->address  = getTextData(L,"address");
 127                 data->port     = getTextData(L,"port");
 128         }
 129         data->serverdescription = getTextData(L,"serverdescription");
 130         data->servername        = getTextData(L,"servername");
 131
 132         //close menu next time
 133         engine->m_startgame = true;
 134         return 0;
 135 }
 136
 137 /******************************************************************************/
 138 int ModApiMainMenu::l_close(lua_State *L)
 139 {
 140         GUIEngine* engine = getGuiEngine(L);
 141         sanity_check(engine != NULL);
 142
 143         engine->m_kill = true;
 144         return 0;
 145 }
 146
 147 /******************************************************************************/
 148 int ModApiMainMenu::l_set_background(lua_State *L)
 149 {
 150         GUIEngine* engine = getGuiEngine(L);
 151         sanity_check(engine != NULL);
 152
 153         std::string backgroundlevel(luaL_checkstring(L, 1));
 154         std::string texturename(luaL_checkstring(L, 2));
 155
 156         bool tile_image = false;
 157         bool retval     = false;
 158         unsigned int minsize = 16;
 159
 160         if (!lua_isnone(L, 3)) {
 161                 tile_image = lua_toboolean(L, 3);
 162         }
 163
 164         if (!lua_isnone(L, 4)) {
 165                 minsize = lua_tonumber(L, 4);
 166         }
 167
 168         if (backgroundlevel == "background") {
 169                 retval |= engine->setTexture(TEX_LAYER_BACKGROUND, texturename,
 170                                 tile_image, minsize);
 171         }
 172
 173         if (backgroundlevel == "overlay") {
 174                 retval |= engine->setTexture(TEX_LAYER_OVERLAY, texturename,
 175                                 tile_image, minsize);
 176         }
 177
 178         if (backgroundlevel == "header") {
 179                 retval |= engine->setTexture(TEX_LAYER_HEADER,  texturename,
 180                                 tile_image, minsize);
 181         }
 182
 183         if (backgroundlevel == "footer") {
 184                 retval |= engine->setTexture(TEX_LAYER_FOOTER, texturename,
 185                                 tile_image, minsize);
 186         }
 187
 188         lua_pushboolean(L,retval);
 189         return 1;
 190 }
 191
 192 /******************************************************************************/
 193 int ModApiMainMenu::l_set_clouds(lua_State *L)
 194 {
 195         GUIEngine* engine = getGuiEngine(L);
 196         sanity_check(engine != NULL);
 197
 198         bool value = lua_toboolean(L,1);
 199
 200         engine->m_clouds_enabled = value;
 201
 202         return 0;
 203 }
 204
 205 /******************************************************************************/
 206 int ModApiMainMenu::l_get_textlist_index(lua_State *L)
 207 {
 208         // get_table_index accepts both tables and textlists
 209         return l_get_table_index(L);
 210 }
 211
 212 /******************************************************************************/
 213 int ModApiMainMenu::l_get_table_index(lua_State *L)
 214 {
 215         GUIEngine* engine = getGuiEngine(L);
 216         sanity_check(engine != NULL);
 217
 218         std::string tablename(luaL_checkstring(L, 1));
 219         GUITable *table = engine->m_menu->getTable(tablename);
 220         s32 selection = table ? table->getSelected() : 0;
 221
 222         if (selection >= 1)
 223                 lua_pushinteger(L, selection);
 224         else
 225                 lua_pushnil(L);
 226         return 1;
 227 }
 228
 229 /******************************************************************************/
 230 int ModApiMainMenu::l_get_worlds(lua_State *L)
 231 {
 232         std::vector<WorldSpec> worlds = getAvailableWorlds();
 233
 234         lua_newtable(L);
 235         int top = lua_gettop(L);
 236         unsigned int index = 1;
 237
 238         for (const WorldSpec &world : worlds) {
 239                 lua_pushnumber(L,index);
 240
 241                 lua_newtable(L);
 242                 int top_lvl2 = lua_gettop(L);
 243
 244                 lua_pushstring(L,"path");
 245                 lua_pushstring(L, world.path.c_str());
 246                 lua_settable(L, top_lvl2);
 247
 248                 lua_pushstring(L,"name");
 249                 lua_pushstring(L, world.name.c_str());
 250                 lua_settable(L, top_lvl2);
 251
 252                 lua_pushstring(L,"gameid");
 253                 lua_pushstring(L, world.gameid.c_str());
 254                 lua_settable(L, top_lvl2);
 255
 256                 lua_settable(L, top);
 257                 index++;
 258         }
 259         return 1;
 260 }
 261
 262 /******************************************************************************/
 263 int ModApiMainMenu::l_get_favorites(lua_State *L)
 264 {
 265         std::string listtype = "local";
 266
 267         if (!lua_isnone(L,1)) {
 268                 listtype = luaL_checkstring(L,1);
 269         }
 270
 271         std::vector<ServerListSpec> servers;
 272
 273         if(listtype == "online") {
 274                 servers = ServerList::getOnline();
 275         } else {
 276                 servers = ServerList::getLocal();
 277         }
 278
 279         lua_newtable(L);
 280         int top = lua_gettop(L);
 281         unsigned int index = 1;
 282
 283         for (const Json::Value &server : servers) {
 284
 285                 lua_pushnumber(L,index);
 286
 287                 lua_newtable(L);
 288                 int top_lvl2 = lua_gettop(L);
 289
 290                 if (!server["clients"].asString().empty()) {
 291                         std::string clients_raw = server["clients"].asString();
 292                         char* endptr = 0;
 293                         int numbervalue = strtol(clients_raw.c_str(),&endptr,10);
 294
 295                         if ((!clients_raw.empty()) && (*endptr == 0)) {
 296                                 lua_pushstring(L,"clients");
 297                                 lua_pushnumber(L,numbervalue);
 298                                 lua_settable(L, top_lvl2);
 299                         }
 300                 }
 301
 302                 if (!server["clients_max"].asString().empty()) {
 303
 304                         std::string clients_max_raw = server["clients_max"].asString();
 305                         char* endptr = 0;
 306                         int numbervalue = strtol(clients_max_raw.c_str(),&endptr,10);
 307
 308                         if ((!clients_max_raw.empty()) && (*endptr == 0)) {
 309                                 lua_pushstring(L,"clients_max");
 310                                 lua_pushnumber(L,numbervalue);
 311                                 lua_settable(L, top_lvl2);
 312                         }
 313                 }
 314
 315                 if (!server["version"].asString().empty()) {
 316                         lua_pushstring(L,"version");
 317                         std::string topush = server["version"].asString();
 318                         lua_pushstring(L,topush.c_str());
 319                         lua_settable(L, top_lvl2);
 320                 }
 321
 322                 if (!server["proto_min"].asString().empty()) {
 323                         lua_pushstring(L,"proto_min");
 324                         lua_pushinteger(L, server["proto_min"].asInt());
 325                         lua_settable(L, top_lvl2);
 326                 }
 327
 328                 if (!server["proto_max"].asString().empty()) {
 329                         lua_pushstring(L,"proto_max");
 330                         lua_pushinteger(L, server["proto_max"].asInt());
 331                         lua_settable(L, top_lvl2);
 332                 }
 333
 334                 if (!server["password"].asString().empty()) {
 335                         lua_pushstring(L,"password");
 336                         lua_pushboolean(L, server["password"].asBool());
 337                         lua_settable(L, top_lvl2);
 338                 }
 339
 340                 if (!server["creative"].asString().empty()) {
 341                         lua_pushstring(L,"creative");
 342                         lua_pushboolean(L, server["creative"].asBool());
 343                         lua_settable(L, top_lvl2);
 344                 }
 345
 346                 if (!server["damage"].asString().empty()) {
 347                         lua_pushstring(L,"damage");
 348                         lua_pushboolean(L, server["damage"].asBool());
 349                         lua_settable(L, top_lvl2);
 350                 }
 351
 352                 if (!server["pvp"].asString().empty()) {
 353                         lua_pushstring(L,"pvp");
 354                         lua_pushboolean(L, server["pvp"].asBool());
 355                         lua_settable(L, top_lvl2);
 356                 }
 357
 358                 if (!server["description"].asString().empty()) {
 359                         lua_pushstring(L,"description");
 360                         std::string topush = server["description"].asString();
 361                         lua_pushstring(L,topush.c_str());
 362                         lua_settable(L, top_lvl2);
 363                 }
 364
 365                 if (!server["name"].asString().empty()) {
 366                         lua_pushstring(L,"name");
 367                         std::string topush = server["name"].asString();
 368                         lua_pushstring(L,topush.c_str());
 369                         lua_settable(L, top_lvl2);
 370                 }
 371
 372                 if (!server["address"].asString().empty()) {
 373                         lua_pushstring(L,"address");
 374                         std::string topush = server["address"].asString();
 375                         lua_pushstring(L,topush.c_str());
 376                         lua_settable(L, top_lvl2);
 377                 }
 378
 379                 if (!server["port"].asString().empty()) {
 380                         lua_pushstring(L,"port");
 381                         std::string topush = server["port"].asString();
 382                         lua_pushstring(L,topush.c_str());
 383                         lua_settable(L, top_lvl2);
 384                 }
 385
 386                 if (server.isMember("ping")) {
 387                         float ping = server["ping"].asFloat();
 388                         lua_pushstring(L, "ping");
 389                         lua_pushnumber(L, ping);
 390                         lua_settable(L, top_lvl2);
 391                 }
 392
 393                 lua_settable(L, top);
 394                 index++;
 395         }
 396         return 1;
 397 }
 398
 399 /******************************************************************************/
 400 int ModApiMainMenu::l_delete_favorite(lua_State *L)
 401 {
 402         std::vector<ServerListSpec> servers;
 403
 404         std::string listtype = "local";
 405
 406         if (!lua_isnone(L,2)) {
 407                 listtype = luaL_checkstring(L,2);
 408         }
 409
 410         if ((listtype != "local") &&
 411                 (listtype != "online"))
 412                 return 0;
 413
 414
 415         if(listtype == "online") {
 416                 servers = ServerList::getOnline();
 417         } else {
 418                 servers = ServerList::getLocal();
 419         }
 420
 421         int fav_idx     = luaL_checkinteger(L,1) -1;
 422
 423         if ((fav_idx >= 0) &&
 424                         (fav_idx < (int) servers.size())) {
 425
 426                 ServerList::deleteEntry(servers[fav_idx]);
 427         }
 428
 429         return 0;
 430 }
 431
 432 /******************************************************************************/
 433 int ModApiMainMenu::l_get_games(lua_State *L)
 434 {
 435         std::vector<SubgameSpec> games = getAvailableGames();
 436
 437         lua_newtable(L);
 438         int top = lua_gettop(L);
 439         unsigned int index = 1;
 440
 441         for (const SubgameSpec &game : games) {
 442                 lua_pushnumber(L, index);
 443                 lua_newtable(L);
 444                 int top_lvl2 = lua_gettop(L);
 445
 446                 lua_pushstring(L, "id");
 447                 lua_pushstring(L, game.id.c_str());
 448                 lua_settable(L,   top_lvl2);
 449
 450                 lua_pushstring(L, "path");
 451                 lua_pushstring(L, game.path.c_str());
 452                 lua_settable(L,   top_lvl2);
 453
 454                 lua_pushstring(L, "type");
 455                 lua_pushstring(L, "game");
 456                 lua_settable(L,   top_lvl2);
 457
 458                 lua_pushstring(L, "gamemods_path");
 459                 lua_pushstring(L, game.gamemods_path.c_str());
 460                 lua_settable(L,   top_lvl2);
 461
 462                 lua_pushstring(L, "name");
 463                 lua_pushstring(L, game.name.c_str());
 464                 lua_settable(L,   top_lvl2);
 465
 466                 lua_pushstring(L, "author");
 467                 lua_pushstring(L, game.author.c_str());
 468                 lua_settable(L,   top_lvl2);
 469
 470                 lua_pushstring(L, "menuicon_path");
 471                 lua_pushstring(L, game.menuicon_path.c_str());
 472                 lua_settable(L,   top_lvl2);
 473
 474                 lua_pushstring(L, "addon_mods_paths");
 475                 lua_newtable(L);
 476                 int table2 = lua_gettop(L);
 477                 int internal_index = 1;
 478                 for (const std::string &addon_mods_path : game.addon_mods_paths) {
 479                         lua_pushnumber(L, internal_index);
 480                         lua_pushstring(L, addon_mods_path.c_str());
 481                         lua_settable(L,   table2);
 482                         internal_index++;
 483                 }
 484                 lua_settable(L, top_lvl2);
 485                 lua_settable(L, top);
 486                 index++;
 487         }
 488         return 1;
 489 }
 490
 491 /******************************************************************************/
 492 int ModApiMainMenu::l_get_content_info(lua_State *L)
 493 {
 494         std::string path = luaL_checkstring(L, 1);
 495
 496         ContentSpec spec;
 497         spec.path = path;
 498         parseContentInfo(spec);
 499
 500         lua_newtable(L);
 501
 502         lua_pushstring(L, spec.name.c_str());
 503         lua_setfield(L, -2, "name");
 504
 505         lua_pushstring(L, spec.type.c_str());
 506         lua_setfield(L, -2, "type");
 507
 508         lua_pushstring(L, spec.author.c_str());
 509         lua_setfield(L, -2, "author");
 510
 511         lua_pushstring(L, spec.desc.c_str());
 512         lua_setfield(L, -2, "description");
 513
 514         lua_pushstring(L, spec.path.c_str());
 515         lua_setfield(L, -2, "path");
 516
 517         if (spec.type == "mod") {
 518                 ModSpec spec;
 519                 spec.path = path;
 520                 parseModContents(spec);
 521
 522                 // Dependencies
 523                 lua_newtable(L);
 524                 int i = 1;
 525                 for (const auto &dep : spec.depends) {
 526                         lua_pushstring(L, dep.c_str());
 527                         lua_rawseti(L, -2, i);
 528                         i++;
 529                 }
 530                 lua_setfield(L, -2, "depends");
 531
 532                 // Optional Dependencies
 533                 lua_newtable(L);
 534                 i = 1;
 535                 for (const auto &dep : spec.optdepends) {
 536                         lua_pushstring(L, dep.c_str());
 537                         lua_rawseti(L, -2, i);
 538                         i++;
 539                 }
 540                 lua_setfield(L, -2, "optional_depends");
 541         }
 542
 543         return 1;
 544 }
 545
 546 /******************************************************************************/
 547 int ModApiMainMenu::l_show_keys_menu(lua_State *L)
 548 {
 549         GUIEngine* engine = getGuiEngine(L);
 550         sanity_check(engine != NULL);
 551
 552         GUIKeyChangeMenu *kmenu = new GUIKeyChangeMenu(RenderingEngine::get_gui_env(),
 553                                                                 engine->m_parent,
 554                                                                 -1,
 555                                                                 engine->m_menumanager);
 556         kmenu->drop();
 557         return 0;
 558 }
 559
 560 /******************************************************************************/
 561 int ModApiMainMenu::l_create_world(lua_State *L)
 562 {
 563         const char *name        = luaL_checkstring(L, 1);
 564         int gameidx                     = luaL_checkinteger(L,2) -1;
 565
 566         std::string path = porting::path_user + DIR_DELIM
 567                         "worlds" + DIR_DELIM
 568                         + name;
 569
 570         std::vector<SubgameSpec> games = getAvailableGames();
 571
 572         if ((gameidx >= 0) &&
 573                         (gameidx < (int) games.size())) {
 574
 575                 // Create world if it doesn't exist
 576                 if (!loadGameConfAndInitWorld(path, games[gameidx])) {
 577                         lua_pushstring(L, "Failed to initialize world");
 578                 } else {
 579                         lua_pushnil(L);
 580                 }
 581         } else {
 582                 lua_pushstring(L, "Invalid game index");
 583         }
 584         return 1;
 585 }
 586
 587 /******************************************************************************/
 588 int ModApiMainMenu::l_delete_world(lua_State *L)
 589 {
 590         int worldidx    = luaL_checkinteger(L,1) -1;
 591
 592         std::vector<WorldSpec> worlds = getAvailableWorlds();
 593
 594         if ((worldidx >= 0) &&
 595                 (worldidx < (int) worlds.size())) {
 596
 597                 WorldSpec spec = worlds[worldidx];
 598
 599                 std::vector<std::string> paths;
 600                 paths.push_back(spec.path);
 601                 fs::GetRecursiveSubPaths(spec.path, paths, true);
 602
 603                 // Delete files
 604                 if (!fs::DeletePaths(paths)) {
 605                         lua_pushstring(L, "Failed to delete world");
 606                 }
 607                 else {
 608                         lua_pushnil(L);
 609                 }
 610         }
 611         else {
 612                 lua_pushstring(L, "Invalid world index");
 613         }
 614         return 1;
 615 }
 616
 617 /******************************************************************************/
 618 int ModApiMainMenu::l_set_topleft_text(lua_State *L)
 619 {
 620         GUIEngine* engine = getGuiEngine(L);
 621         sanity_check(engine != NULL);
 622
 623         std::string text;
 624
 625         if (!lua_isnone(L,1) && !lua_isnil(L,1))
 626                 text = luaL_checkstring(L, 1);
 627
 628         engine->setTopleftText(text);
 629         return 0;
 630 }
 631
 632 /******************************************************************************/
 633 int ModApiMainMenu::l_get_mapgen_names(lua_State *L)
 634 {
 635         std::vector<const char *> names;
 636         Mapgen::getMapgenNames(&names, lua_toboolean(L, 1));
 637
 638         lua_newtable(L);
 639         for (size_t i = 0; i != names.size(); i++) {
 640                 lua_pushstring(L, names[i]);
 641                 lua_rawseti(L, -2, i + 1);
 642         }
 643
 644         return 1;
 645 }
 646
 647
 648 /******************************************************************************/
 649 int ModApiMainMenu::l_get_modpath(lua_State *L)
 650 {
 651         std::string modpath = fs::RemoveRelativePathComponents(
 652                 porting::path_user + DIR_DELIM + "mods" + DIR_DELIM);
 653         lua_pushstring(L, modpath.c_str());
 654         return 1;
 655 }
 656
 657 /******************************************************************************/
 658 int ModApiMainMenu::l_get_clientmodpath(lua_State *L)
 659 {
 660         std::string modpath = fs::RemoveRelativePathComponents(
 661                 porting::path_user + DIR_DELIM + "clientmods" + DIR_DELIM);
 662         lua_pushstring(L, modpath.c_str());
 663         return 1;
 664 }
 665
 666 /******************************************************************************/
 667 int ModApiMainMenu::l_get_gamepath(lua_State *L)
 668 {
 669         std::string gamepath = fs::RemoveRelativePathComponents(
 670                 porting::path_user + DIR_DELIM + "games" + DIR_DELIM);
 671         lua_pushstring(L, gamepath.c_str());
 672         return 1;
 673 }
 674
 675 /******************************************************************************/
 676 int ModApiMainMenu::l_get_texturepath(lua_State *L)
 677 {
 678         std::string gamepath = fs::RemoveRelativePathComponents(
 679                 porting::path_user + DIR_DELIM + "textures");
 680         lua_pushstring(L, gamepath.c_str());
 681         return 1;
 682 }
 683
 684 int ModApiMainMenu::l_get_texturepath_share(lua_State *L)
 685 {
 686         std::string gamepath = fs::RemoveRelativePathComponents(
 687                 porting::path_share + DIR_DELIM + "textures");
 688         lua_pushstring(L, gamepath.c_str());
 689         return 1;
 690 }
 691
 692 /******************************************************************************/
 693 int ModApiMainMenu::l_create_dir(lua_State *L) {
 694         const char *path = luaL_checkstring(L, 1);
 695
 696         if (ModApiMainMenu::isMinetestPath(path)) {
 697                 lua_pushboolean(L, fs::CreateAllDirs(path));
 698                 return 1;
 699         }
 700
 701         lua_pushboolean(L, false);
 702         return 1;
 703 }
 704
 705 /******************************************************************************/
 706 int ModApiMainMenu::l_delete_dir(lua_State *L)
 707 {
 708         const char *path = luaL_checkstring(L, 1);
 709
 710         std::string absolute_path = fs::RemoveRelativePathComponents(path);
 711
 712         if (ModApiMainMenu::isMinetestPath(absolute_path)) {
 713                 lua_pushboolean(L, fs::RecursiveDelete(absolute_path));
 714                 return 1;
 715         }
 716
 717         lua_pushboolean(L, false);
 718         return 1;
 719 }
 720
 721 /******************************************************************************/
 722 int ModApiMainMenu::l_copy_dir(lua_State *L)
 723 {
 724         const char *source      = luaL_checkstring(L, 1);
 725         const char *destination = luaL_checkstring(L, 2);
 726
 727         bool keep_source = true;
 728
 729         if ((!lua_isnone(L,3)) &&
 730                         (!lua_isnil(L,3))) {
 731                 keep_source = lua_toboolean(L,3);
 732         }
 733
 734         std::string absolute_destination = fs::RemoveRelativePathComponents(destination);
 735         std::string absolute_source = fs::RemoveRelativePathComponents(source);
 736
 737         if ((ModApiMainMenu::isMinetestPath(absolute_destination))) {
 738                 bool retval = fs::CopyDir(absolute_source,absolute_destination);
 739
 740                 if (retval && (!keep_source)) {
 741
 742                         retval &= fs::RecursiveDelete(absolute_source);
 743                 }
 744                 lua_pushboolean(L,retval);
 745                 return 1;
 746         }
 747         lua_pushboolean(L,false);
 748         return 1;
 749 }
 750
 751 /******************************************************************************/
 752 int ModApiMainMenu::l_extract_zip(lua_State *L)
 753 {
 754         const char *zipfile     = luaL_checkstring(L, 1);
 755         const char *destination = luaL_checkstring(L, 2);
 756
 757         std::string absolute_destination = fs::RemoveRelativePathComponents(destination);
 758
 759         if (ModApiMainMenu::isMinetestPath(absolute_destination)) {
 760                 fs::CreateAllDirs(absolute_destination);
 761
 762                 io::IFileSystem *fs = RenderingEngine::get_filesystem();
 763
 764                 if (!fs->addFileArchive(zipfile,true,false,io::EFAT_ZIP)) {
 765                         lua_pushboolean(L,false);
 766                         return 1;
 767                 }
 768
 769                 sanity_check(fs->getFileArchiveCount() > 0);
 770
 771                 /**********************************************************************/
 772                 /* WARNING this is not threadsafe!!                                   */
 773                 /**********************************************************************/
 774                 io::IFileArchive* opened_zip =
 775                         fs->getFileArchive(fs->getFileArchiveCount()-1);
 776
 777                 const io::IFileList* files_in_zip = opened_zip->getFileList();
 778
 779                 unsigned int number_of_files = files_in_zip->getFileCount();
 780
 781                 for (unsigned int i=0; i < number_of_files; i++) {
 782                         std::string fullpath = destination;
 783                         fullpath += DIR_DELIM;
 784                         fullpath += files_in_zip->getFullFileName(i).c_str();
 785                         std::string fullpath_dir = fs::RemoveLastPathComponent(fullpath);
 786
 787                         if (!files_in_zip->isDirectory(i)) {
 788                                 if (!fs::PathExists(fullpath_dir) && !fs::CreateAllDirs(fullpath_dir)) {
 789                                         fs->removeFileArchive(fs->getFileArchiveCount()-1);
 790                                         lua_pushboolean(L,false);
 791                                         return 1;
 792                                 }
 793
 794                                 io::IReadFile* toread = opened_zip->createAndOpenFile(i);
 795
 796                                 FILE *targetfile = fopen(fullpath.c_str(),"wb");
 797
 798                                 if (targetfile == NULL) {
 799                                         fs->removeFileArchive(fs->getFileArchiveCount()-1);
 800                                         lua_pushboolean(L,false);
 801                                         return 1;
 802                                 }
 803
 804                                 char read_buffer[1024];
 805                                 long total_read = 0;
 806
 807                                 while (total_read < toread->getSize()) {
 808
 809                                         unsigned int bytes_read =
 810                                                         toread->read(read_buffer,sizeof(read_buffer));
 811                                         if ((bytes_read == 0 ) ||
 812                                                 (fwrite(read_buffer, 1, bytes_read, targetfile) != bytes_read))
 813                                         {
 814                                                 fclose(targetfile);
 815                                                 fs->removeFileArchive(fs->getFileArchiveCount()-1);
 816                                                 lua_pushboolean(L,false);
 817                                                 return 1;
 818                                         }
 819                                         total_read += bytes_read;
 820                                 }
 821
 822                                 fclose(targetfile);
 823                         }
 824
 825                 }
 826
 827                 fs->removeFileArchive(fs->getFileArchiveCount()-1);
 828                 lua_pushboolean(L,true);
 829                 return 1;
 830         }
 831
 832         lua_pushboolean(L,false);
 833         return 1;
 834 }
 835
 836 /******************************************************************************/
 837 int ModApiMainMenu::l_get_mainmenu_path(lua_State *L)
 838 {
 839         GUIEngine* engine = getGuiEngine(L);
 840         sanity_check(engine != NULL);
 841
 842         lua_pushstring(L,engine->getScriptDir().c_str());
 843         return 1;
 844 }
 845
 846 /******************************************************************************/
 847 bool ModApiMainMenu::isMinetestPath(std::string path)
 848 {
 849         if (fs::PathStartsWith(path,fs::TempPath()))
 850                 return true;
 851
 852         /* games */
 853         if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_share + DIR_DELIM + "games")))
 854                 return true;
 855
 856         /* mods */
 857         if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "mods")))
 858                 return true;
 859
 860         /* mods */
 861         if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "textures")))
 862                 return true;
 863
 864         /* worlds */
 865         if (fs::PathStartsWith(path,fs::RemoveRelativePathComponents(porting::path_user + DIR_DELIM + "worlds")))
 866                 return true;
 867
 868
 869         return false;
 870 }
 871
 872 /******************************************************************************/
 873 int ModApiMainMenu::l_show_path_select_dialog(lua_State *L)
 874 {
 875         GUIEngine* engine = getGuiEngine(L);
 876         sanity_check(engine != NULL);
 877
 878         const char *formname= luaL_checkstring(L, 1);
 879         const char *title       = luaL_checkstring(L, 2);
 880         bool is_file_select = lua_toboolean(L, 3);
 881
 882         GUIFileSelectMenu* fileOpenMenu =
 883                 new GUIFileSelectMenu(RenderingEngine::get_gui_env(),
 884                                                                 engine->m_parent,
 885                                                                 -1,
 886                                                                 engine->m_menumanager,
 887                                                                 title,
 888                                                                 formname,
 889                                                                 is_file_select);
 890         fileOpenMenu->setTextDest(engine->m_buttonhandler);
 891         fileOpenMenu->drop();
 892         return 0;
 893 }
 894
 895 /******************************************************************************/
 896 int ModApiMainMenu::l_download_file(lua_State *L)
 897 {
 898         const char *url    = luaL_checkstring(L, 1);
 899         const char *target = luaL_checkstring(L, 2);
 900
 901         //check path
 902         std::string absolute_destination = fs::RemoveRelativePathComponents(target);
 903
 904         if (ModApiMainMenu::isMinetestPath(absolute_destination)) {
 905                 if (GUIEngine::downloadFile(url,absolute_destination)) {
 906                         lua_pushboolean(L,true);
 907                         return 1;
 908                 }
 909         } else {
 910                 errorstream << "DOWNLOAD denied: " << absolute_destination
 911                                 << " isn't a allowed path" << std::endl;
 912         }
 913         lua_pushboolean(L,false);
 914         return 1;
 915 }
 916
 917 /******************************************************************************/
 918 int ModApiMainMenu::l_get_video_drivers(lua_State *L)
 919 {
 920         std::vector<irr::video::E_DRIVER_TYPE> drivers = RenderingEngine::getSupportedVideoDrivers();
 921
 922         lua_newtable(L);
 923         for (u32 i = 0; i != drivers.size(); i++) {
 924                 const char *name  = RenderingEngine::getVideoDriverName(drivers[i]);
 925                 const char *fname = RenderingEngine::getVideoDriverFriendlyName(drivers[i]);
 926
 927                 lua_newtable(L);
 928                 lua_pushstring(L, name);
 929                 lua_setfield(L, -2, "name");
 930                 lua_pushstring(L, fname);
 931                 lua_setfield(L, -2, "friendly_name");
 932
 933                 lua_rawseti(L, -2, i + 1);
 934         }
 935
 936         return 1;
 937 }
 938
 939 /******************************************************************************/
 940 int ModApiMainMenu::l_get_video_modes(lua_State *L)
 941 {
 942         std::vector<core::vector3d<u32> > videomodes
 943                 = RenderingEngine::getSupportedVideoModes();
 944
 945         lua_newtable(L);
 946         for (u32 i = 0; i != videomodes.size(); i++) {
 947                 lua_newtable(L);
 948                 lua_pushnumber(L, videomodes[i].X);
 949                 lua_setfield(L, -2, "w");
 950                 lua_pushnumber(L, videomodes[i].Y);
 951                 lua_setfield(L, -2, "h");
 952                 lua_pushnumber(L, videomodes[i].Z);
 953                 lua_setfield(L, -2, "depth");
 954
 955                 lua_rawseti(L, -2, i + 1);
 956         }
 957
 958         return 1;
 959 }
 960
 961 /******************************************************************************/
 962 int ModApiMainMenu::l_gettext(lua_State *L)
 963 {
 964         std::string text = strgettext(std::string(luaL_checkstring(L, 1)));
 965         lua_pushstring(L, text.c_str());
 966
 967         return 1;
 968 }
 969
 970 /******************************************************************************/
 971 int ModApiMainMenu::l_get_screen_info(lua_State *L)
 972 {
 973         lua_newtable(L);
 974         int top = lua_gettop(L);
 975         lua_pushstring(L,"density");
 976         lua_pushnumber(L,RenderingEngine::getDisplayDensity());
 977         lua_settable(L, top);
 978
 979         lua_pushstring(L,"display_width");
 980         lua_pushnumber(L,RenderingEngine::getDisplaySize().X);
 981         lua_settable(L, top);
 982
 983         lua_pushstring(L,"display_height");
 984         lua_pushnumber(L,RenderingEngine::getDisplaySize().Y);
 985         lua_settable(L, top);
 986
 987         const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
 988         lua_pushstring(L,"window_width");
 989         lua_pushnumber(L, window_size.X);
 990         lua_settable(L, top);
 991
 992         lua_pushstring(L,"window_height");
 993         lua_pushnumber(L, window_size.Y);
 994         lua_settable(L, top);
 995         return 1;
 996 }
 997
 998 int ModApiMainMenu::l_get_package_list(lua_State *L)
 999 {
1000         std::string url = g_settings->get("contentdb_url");
1001         std::vector<Package> packages = getPackagesFromURL(url + "/packages/");
1002
1003         // Make table
1004         lua_newtable(L);
1005         int top = lua_gettop(L);
1006         unsigned int index = 1;
1007
1008         // Fill table
1009         for (const auto &package : packages) {
1010                 lua_pushnumber(L, index);
1011                 lua_newtable(L);
1012
1013                 int top_lvl2 = lua_gettop(L);
1014
1015                 lua_pushstring(L, "name");
1016                 lua_pushstring(L, package.name.c_str());
1017                 lua_settable  (L, top_lvl2);
1018
1019                 lua_pushstring(L, "title");
1020                 lua_pushstring(L, package.title.c_str());
1021                 lua_settable  (L, top_lvl2);
1022
1023                 lua_pushstring(L, "author");
1024                 lua_pushstring(L, package.author.c_str());
1025                 lua_settable  (L, top_lvl2);
1026
1027                 lua_pushstring(L, "type");
1028                 lua_pushstring(L, package.type.c_str());
1029                 lua_settable  (L, top_lvl2);
1030
1031                 lua_pushstring(L, "short_description");
1032                 lua_pushstring(L, package.shortDesc.c_str());
1033                 lua_settable  (L, top_lvl2);
1034
1035                 lua_pushstring(L, "url");
1036                 lua_pushstring(L, package.url.c_str());
1037                 lua_settable  (L, top_lvl2);
1038
1039                 lua_settable(L, top);
1040                 index++;
1041         }
1042
1043         return 1;
1044 }
1045
1046 /******************************************************************************/
1047 int ModApiMainMenu::l_get_min_supp_proto(lua_State *L)
1048 {
1049         lua_pushinteger(L, CLIENT_PROTOCOL_VERSION_MIN);
1050         return 1;
1051 }
1052
1053 int ModApiMainMenu::l_get_max_supp_proto(lua_State *L)
1054 {
1055         lua_pushinteger(L, CLIENT_PROTOCOL_VERSION_MAX);
1056         return 1;
1057 }
1058
1059 /******************************************************************************/
1060 int ModApiMainMenu::l_do_async_callback(lua_State *L)
1061 {
1062         GUIEngine* engine = getGuiEngine(L);
1063
1064         size_t func_length, param_length;
1065         const char* serialized_func_raw = luaL_checklstring(L, 1, &func_length);
1066
1067         const char* serialized_param_raw = luaL_checklstring(L, 2, &param_length);
1068
1069         sanity_check(serialized_func_raw != NULL);
1070         sanity_check(serialized_param_raw != NULL);
1071
1072         std::string serialized_func = std::string(serialized_func_raw, func_length);
1073         std::string serialized_param = std::string(serialized_param_raw, param_length);
1074
1075         lua_pushinteger(L, engine->queueAsync(serialized_func, serialized_param));
1076
1077         return 1;
1078 }
1079
1080 /******************************************************************************/
1081 void ModApiMainMenu::Initialize(lua_State *L, int top)
1082 {
1083         API_FCT(update_formspec);
1084         API_FCT(set_clouds);
1085         API_FCT(get_textlist_index);
1086         API_FCT(get_table_index);
1087         API_FCT(get_worlds);
1088         API_FCT(get_games);
1089         API_FCT(get_content_info);
1090         API_FCT(start);
1091         API_FCT(close);
1092         API_FCT(get_favorites);
1093         API_FCT(show_keys_menu);
1094         API_FCT(create_world);
1095         API_FCT(delete_world);
1096         API_FCT(delete_favorite);
1097         API_FCT(set_background);
1098         API_FCT(set_topleft_text);
1099         API_FCT(get_mapgen_names);
1100         API_FCT(get_modpath);
1101         API_FCT(get_clientmodpath);
1102         API_FCT(get_gamepath);
1103         API_FCT(get_texturepath);
1104         API_FCT(get_texturepath_share);
1105         API_FCT(create_dir);
1106         API_FCT(delete_dir);
1107         API_FCT(copy_dir);
1108         API_FCT(extract_zip);
1109         API_FCT(get_mainmenu_path);
1110         API_FCT(show_path_select_dialog);
1111         API_FCT(download_file);
1112         API_FCT(gettext);
1113         API_FCT(get_video_drivers);
1114         API_FCT(get_video_modes);
1115         API_FCT(get_screen_info);
1116         API_FCT(get_package_list);
1117         API_FCT(get_min_supp_proto);
1118         API_FCT(get_max_supp_proto);
1119         API_FCT(do_async_callback);
1120 }
1121
1122 /******************************************************************************/
1123 void ModApiMainMenu::InitializeAsync(lua_State *L, int top)
1124 {
1125         API_FCT(get_worlds);
1126         API_FCT(get_games);
1127         API_FCT(get_favorites);
1128         API_FCT(get_mapgen_names);
1129         API_FCT(get_modpath);
1130         API_FCT(get_clientmodpath);
1131         API_FCT(get_gamepath);
1132         API_FCT(get_texturepath);
1133         API_FCT(get_texturepath_share);
1134         API_FCT(create_dir);
1135         API_FCT(delete_dir);
1136         API_FCT(copy_dir);
1137         //API_FCT(extract_zip); //TODO remove dependency to GuiEngine
1138         API_FCT(download_file);
1139         //API_FCT(gettext); (gettext lib isn't threadsafe)
1140         API_FCT(get_package_list);
1141 }