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