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Minetest
========

An InfiniMiner/Minecraft inspired game.

Copyright (c) 2010-2013 Perttu Ahola <celeron55@gmail.com>
and contributors (see source file comments and the version control log)

In case you downloaded the source code:
---------------------------------------
If you downloaded the Minetest Engine source code in which this file is
contained, you probably want to download the minetest_game project too:
  https://github.com/minetest/minetest_game/
See the README.txt in it.

Further documentation
----------------------
- Website: http://minetest.net/
- Wiki: http://wiki.minetest.net/
- Developer wiki: http://dev.minetest.net/
- Forum: http://forum.minetest.net/
- Github: https://github.com/minetest/minetest/
- doc/ directory of source distribution

This game is not finished
--------------------------
- Don't expect it to work as well as a finished game will.
- Please report any bugs. When doing that, debug.txt is useful.

Default Controls
-----------------
- WASD: move
- Space: jump/climb
- Shift: sneak/go down
- Q: drop itemstack (+ SHIFT for single item)
- I: inventory
- Mouse: turn/look
- Mouse left: dig/punch
- Mouse right: place/use
- Mouse wheel: select item
- T: chat
- 1-8: select item

- Esc: pause menu (pauses only singleplayer game)
- R: Enable/Disable full range view
- +: Increase view range
- -: Decrease view range
- K: Enable/Disable fly (needs fly privilege)
- J: Enable/Disable fast (needs fast privilege)
- H: Enable/Disable noclip (needs noclip privilege)

- F1:  Hide/Show HUD
- F2:  Hide/Show Chat
- F3:  Disable/Enable Fog
- F4:  Disable/Enable Camera update (Mapblocks are not updated anymore when disabled)
- F5:  Toogle through debug info screens
- F6:  Toogle through output data
- F7:  Toggle through camera modes
- F10: Show/Hide console
- F12: Take screenshot

- Settable in the configuration file, see the section below.

Paths
------
$bin   - Compiled binaries
$share - Distributed read-only data
$user  - User-created modifiable data

Windows .zip / RUN_IN_PLACE source:
$bin   = bin
$share = .
$user  = .

Linux installed:
$bin   = /usr/bin
$share = /usr/share/minetest
$user  = ~/.minetest

OS X:
$bin   = Contents/MacOS
$share = Contents/Resources
$user  = Contents/User OR ~/Library/Application Support/minetest

World directory
----------------
- Worlds can be found as separate folders in:
    $user/worlds/

Configuration file:
-------------------
- Default location:
    $user/minetest.conf
- It is created by Minetest when it is ran the first time.
- A specific file can be specified on the command line:
	--config <path-to-file>

Command-line options:
---------------------
- Use --help

Compiling on GNU/Linux:
-----------------------

Install dependencies. Here's an example for Debian/Ubuntu:
$ sudo apt-get install build-essential libirrlicht-dev cmake libbz2-dev libpng12-dev libjpeg-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev libogg-dev libvorbis-dev libopenal-dev libcurl4-gnutls-dev libfreetype6-dev zlib1g-dev libgmp-dev libjsoncpp-dev

For Fedora users:
$ sudo dnf install make automake gcc gcc-c++ kernel-devel cmake libcurl* openal* libvorbis* libXxf86vm-devel libogg-devel freetype-devel mesa-libGL-devel zlib-devel jsoncpp-devel irrlicht-devel bzip2-libs gmp-devel sqlite-devel luajit-devel leveldb-devel ncurses-devel doxygen spatialindex-dev bzip2-dev

You can install git for easily keeping your copy up to date.
If you dont want git, read below on how to get the source without git.
This is an example for installing git on Debian/Ubuntu:
$ sudo apt-get install git-core

For Fedora users:
$ sudo dnf install git-core

Download source (this is the URL to the latest of source repository, which might not work at all times) using git:
$ git clone --depth 1 https://github.com/minetest/minetest.git
$ cd minetest

Download minetest_game (otherwise only the "Minimal development test" game is available) using git:
$ git clone --depth 1 https://github.com/minetest/minetest_game.git games/minetest_game

Download source, without using git:
$ wget https://github.com/minetest/minetest/archive/master.tar.gz
$ tar xf master.tar.gz
$ cd minetest-master

Download minetest_game, without using git:
$ cd games/
$ wget https://github.com/minetest/minetest_game/archive/master.tar.gz
$ tar xf master.tar.gz
$ mv minetest_game-master minetest_game
$ cd ..

Build a version that runs directly from the source directory:
$ cmake . -DRUN_IN_PLACE=TRUE
$ make -j <number of processors>

Run it:
$ ./bin/minetest

- Use cmake . -LH to see all CMake options and their current state
- If you want to install it system-wide (or are making a distribution package),
  you will want to use -DRUN_IN_PLACE=FALSE
- You can build a bare server by specifying -DBUILD_SERVER=TRUE
- You can disable the client build by specifying -DBUILD_CLIENT=FALSE
- You can select between Release and Debug build by -DCMAKE_BUILD_TYPE=<Debug or Release>
  - Debug build is slower, but gives much more useful output in a debugger
- If you build a bare server, you don't need to have Irrlicht installed.
  In that case use -DIRRLICHT_SOURCE_DIR=/the/irrlicht/source

CMake options
-------------
General options:

BUILD_CLIENT        - Build Minetest client
BUILD_SERVER        - Build Minetest server
CMAKE_BUILD_TYPE    - Type of build (Release vs. Debug)
    Release         - Release build
    Debug           - Debug build
    SemiDebug       - Partially optimized debug build
    RelWithDebInfo  - Release build with Debug information
    MinSizeRel      - Release build with -Os passed to compiler to make executable as small as possible
ENABLE_CURL         - Build with cURL; Enables use of online mod repo, public serverlist and remote media fetching via http
ENABLE_CURSES       - Build with (n)curses; Enables a server side terminal (command line option: --terminal)
ENABLE_FREETYPE     - Build with FreeType2; Allows using TTF fonts
ENABLE_GETTEXT      - Build with Gettext; Allows using translations
ENABLE_GLES         - Search for Open GLES headers & libraries and use them
ENABLE_LEVELDB      - Build with LevelDB; Enables use of LevelDB map backend (faster than SQLite3)
ENABLE_REDIS        - Build with libhiredis; Enables use of Redis map backend
ENABLE_SPATIAL      - Build with LibSpatial; Speeds up AreaStores
ENABLE_SOUND        - Build with OpenAL, libogg & libvorbis; in-game Sounds
ENABLE_LUAJIT       - Build with LuaJIT (much faster than non-JIT Lua)
ENABLE_SYSTEM_GMP   - Use GMP from system (much faster than bundled mini-gmp)
RUN_IN_PLACE        - Create a portable install (worlds, settings etc. in current directory)
USE_GPROF           - Enable profiling using GProf
VERSION_EXTRA       - Text to append to version (e.g. VERSION_EXTRA=foobar -> Minetest 0.4.9-foobar)

Library specific options:

BZIP2_INCLUDE_DIR               - Linux only; directory where bzlib.h is located
BZIP2_LIBRARY                   - Linux only; path to libbz2.a/libbz2.so
CURL_DLL                        - Only if building with cURL on Windows; path to libcurl.dll
CURL_INCLUDE_DIR                - Only if building with cURL; directory where curl.h is located
CURL_LIBRARY                    - Only if building with cURL; path to libcurl.a/libcurl.so/libcurl.lib
EGL_INCLUDE_DIR                 - Only if building with GLES; directory that contains egl.h
EGL_LIBRARY                     - Only if building with GLES; path to libEGL.a/libEGL.so
FREETYPE_INCLUDE_DIR_freetype2  - Only if building with Freetype2; directory that contains an freetype directory with files such as ftimage.h in it
FREETYPE_INCLUDE_DIR_ft2build   - Only if building with Freetype2; directory that contains ft2build.h
FREETYPE_LIBRARY                - Only if building with Freetype2; path to libfreetype.a/libfreetype.so/freetype.lib
FREETYPE_DLL                    - Only if building with Freetype2 on Windows; path to libfreetype.dll
GETTEXT_DLL                     - Only when building with Gettext on Windows; path to libintl3.dll
GETTEXT_ICONV_DLL               - Only when building with Gettext on Windows; path to libiconv2.dll
GETTEXT_INCLUDE_DIR             - Only when building with Gettext; directory that contains iconv.h
GETTEXT_LIBRARY                 - Only when building with Gettext on Windows; path to libintl.dll.a
GETTEXT_MSGFMT                  - Only when building with Gettext; path to msgfmt/msgfmt.exe
IRRLICHT_DLL                    - Only on Windows; path to Irrlicht.dll
IRRLICHT_INCLUDE_DIR            - Directory that contains IrrCompileConfig.h
IRRLICHT_LIBRARY                - Path to libIrrlicht.a/libIrrlicht.so/libIrrlicht.dll.a/Irrlicht.lib
LEVELDB_INCLUDE_DIR             - Only when building with LevelDB; directory that contains db.h
LEVELDB_LIBRARY                 - Only when building with LevelDB; path to libleveldb.a/libleveldb.so/libleveldb.dll.a
LEVELDB_DLL                     - Only when building with LevelDB on Windows; path to libleveldb.dll
REDIS_INCLUDE_DIR               - Only when building with Redis; directory that contains hiredis.h
REDIS_LIBRARY                   - Only when building with Redis; path to libhiredis.a/libhiredis.so
SPATIAL_INCLUDE_DIR             - Only when building with LibSpatial; directory that contains spatialindex/SpatialIndex.h
SPATIAL_LIBRARY                 - Only when building with LibSpatial; path to libspatialindex_c.so/spatialindex-32.lib
LUA_INCLUDE_DIR                 - Only if you want to use LuaJIT; directory where luajit.h is located
LUA_LIBRARY                     - Only if you want to use LuaJIT; path to libluajit.a/libluajit.so
MINGWM10_DLL                    - Only if compiling with MinGW; path to mingwm10.dll
OGG_DLL                         - Only if building with sound on Windows; path to libogg.dll
OGG_INCLUDE_DIR                 - Only if building with sound; directory that contains an ogg directory which contains ogg.h
OGG_LIBRARY                     - Only if building with sound; path to libogg.a/libogg.so/libogg.dll.a
OPENAL_DLL                      - Only if building with sound on Windows; path to OpenAL32.dll
OPENAL_INCLUDE_DIR              - Only if building with sound; directory where al.h is located
OPENAL_LIBRARY                  - Only if building with sound; path to libopenal.a/libopenal.so/OpenAL32.lib
OPENGLES2_INCLUDE_DIR           - Only if building with GLES; directory that contains gl2.h
OPENGLES2_LIBRARY               - Only if building with GLES; path to libGLESv2.a/libGLESv2.so
SQLITE3_INCLUDE_DIR             - Directory that contains sqlite3.h
SQLITE3_LIBRARY                 - Path to libsqlite3.a/libsqlite3.so/sqlite3.lib
VORBISFILE_DLL                  - Only if building with sound on Windows; path to libvorbisfile-3.dll
VORBISFILE_LIBRARY              - Only if building with sound; path to libvorbisfile.a/libvorbisfile.so/libvorbisfile.dll.a
VORBIS_DLL                      - Only if building with sound on Windows; path to libvorbis-0.dll
VORBIS_INCLUDE_DIR              - Only if building with sound; directory that contains a directory vorbis with vorbisenc.h inside
VORBIS_LIBRARY                  - Only if building with sound; path to libvorbis.a/libvorbis.so/libvorbis.dll.a
XXF86VM_LIBRARY                 - Only on Linux; path to libXXf86vm.a/libXXf86vm.so
ZLIB_DLL                        - Only on Windows; path to zlib1.dll
ZLIBWAPI_DLL                    - Only on Windows; path to zlibwapi.dll
ZLIB_INCLUDE_DIR                - Directory that contains zlib.h
ZLIB_LIBRARY                    - Path to libz.a/libz.so/zlibwapi.lib

Compiling on Windows:
---------------------
- This section is outdated. In addition to what is described here:
  - In addition to minetest, you need to download minetest_game.
  - If you wish to have sound support, you need libogg, libvorbis and libopenal

- You need:
	* CMake:
		http://www.cmake.org/cmake/resources/software.html
	* MinGW or Visual Studio
		http://www.mingw.org/
		http://msdn.microsoft.com/en-us/vstudio/default
	* Irrlicht SDK 1.7:
		http://irrlicht.sourceforge.net/downloads.html
	* Zlib headers (zlib125.zip)
		http://www.winimage.com/zLibDll/index.html
	* Zlib library (zlibwapi.lib and zlibwapi.dll from zlib125dll.zip):
		http://www.winimage.com/zLibDll/index.html
	* Optional: gettext library and tools:
		http://gnuwin32.sourceforge.net/downlinks/gettext.php
		- This is used for other UI languages. Feel free to leave it out.
	* And, of course, Minetest:
		http://minetest.net/download
- Steps:
	- Select a directory called DIR hereafter in which you will operate.
	- Make sure you have CMake and a compiler installed.
	- Download all the other stuff to DIR and extract them into there.
	  ("extract here", not "extract to packagename/")
	  NOTE: zlib125dll.zip needs to be extracted into zlib125dll
	- All those packages contain a nice base directory in them, which
	  should end up being the direct subdirectories of DIR.
	- You will end up with a directory structure like this (+=dir, -=file):
	-----------------
	+ DIR
		- zlib-1.2.5.tar.gz
		- zlib125dll.zip
		- irrlicht-1.7.1.zip
		- 110214175330.zip (or whatever, this is the minetest source)
		+ zlib-1.2.5
			- zlib.h
			+ win32
			...
		+ zlib125dll
			- readme.txt
			+ dll32
			...
		+ irrlicht-1.7.1
			+ lib
			+ include
			...
		+ gettext (optional)
			+bin
			+include
			+lib
		+ minetest
			+ src
			+ doc
			- CMakeLists.txt
			...
	-----------------
	- Start up the CMake GUI
	- Select "Browse Source..." and select DIR/minetest
	- Now, if using MSVC:
		- Select "Browse Build..." and select DIR/minetest-build
	- Else if using MinGW:
		- Select "Browse Build..." and select DIR/minetest
	- Select "Configure"
	- Select your compiler
	- It will warn about missing stuff, ignore that at this point. (later don't)
	- Make sure the configuration is as follows
	  (note that the versions may differ for you):
	-----------------
	BUILD_CLIENT             [X]
	BUILD_SERVER             [ ]
	CMAKE_BUILD_TYPE         Release
	CMAKE_INSTALL_PREFIX     DIR/minetest-install
	IRRLICHT_SOURCE_DIR      DIR/irrlicht-1.7.1
	RUN_IN_PLACE             [X]
	WARN_ALL                 [ ]
	ZLIB_DLL                 DIR/zlib125dll/dll32/zlibwapi.dll
	ZLIB_INCLUDE_DIR         DIR/zlib-1.2.5
	ZLIB_LIBRARIES           DIR/zlib125dll/dll32/zlibwapi.lib
	GETTEXT_BIN_DIR          DIR/gettext/bin
	GETTEXT_INCLUDE_DIR      DIR/gettext/include
	GETTEXT_LIBRARIES        DIR/gettext/lib/intl.lib
	GETTEXT_MSGFMT           DIR/gettext/bin/msgfmt
	-----------------
	- Hit "Configure"
	- Hit "Configure" once again 8)
	- If something is still coloured red, you have a problem.
	- Hit "Generate"
	If using MSVC:
		- Open the generated minetest.sln
		- The project defaults to the "Debug" configuration. Make very sure to
		  select "Release", unless you want to debug some stuff (it's slower
		  and might not even work at all)
		- Build the ALL_BUILD project
		- Build the INSTALL project
		- You should now have a working game with the executable in
			DIR/minetest-install/bin/minetest.exe
		- Additionally you may create a zip package by building the PACKAGE
		  project.
	If using MinGW:
		- Using the command line, browse to the build directory and run 'make'
		  (or mingw32-make or whatever it happens to be)
		- You may need to copy some of the downloaded DLLs into bin/, see what
		  running the produced executable tells you it doesn't have.
		- You should now have a working game with the executable in
			DIR/minetest/bin/minetest.exe

Windows releases of minetest are built using a bat script like this:
--------------------------------------------------------------------

set sourcedir=%CD%
set installpath="C:\tmp\minetest_install"
set irrlichtpath="C:\tmp\irrlicht-1.7.2"

set builddir=%sourcedir%\bvc10
mkdir %builddir%
pushd %builddir%
cmake %sourcedir% -G "Visual Studio 10" -DIRRLICHT_SOURCE_DIR=%irrlichtpath% -DRUN_IN_PLACE=TRUE -DCMAKE_INSTALL_PREFIX=%installpath%
if %errorlevel% neq 0 goto fail
"C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" ALL_BUILD.vcxproj /p:Configuration=Release
if %errorlevel% neq 0 goto fail
"C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" INSTALL.vcxproj /p:Configuration=Release
if %errorlevel% neq 0 goto fail
"C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" PACKAGE.vcxproj /p:Configuration=Release
if %errorlevel% neq 0 goto fail
popd
echo Finished.
exit /b 0

:fail
popd
echo Failed.
exit /b 1

License of Minetest textures and sounds
---------------------------------------

This applies to textures and sounds contained in the main Minetest
distribution.

Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
http://creativecommons.org/licenses/by-sa/3.0/

Authors of media files
-----------------------
Everything not listed in here:
Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>

BlockMen:
  textures/base/pack/menuheader.png

erlehmann:
  misc/minetest-icon-24x24.png
  misc/minetest-icon.ico
  misc/minetest.svg
  textures/base/pack/logo.png

License of Minetest source code
-------------------------------

Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Irrlicht
---------------

This program uses the Irrlicht Engine. http://irrlicht.sourceforge.net/

 The Irrlicht Engine License

Copyright © 2002-2005 Nikolaus Gebhardt

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:

   1. The origin of this software must not be misrepresented; you
      must not claim that you wrote the original software. If you use
	  this software in a product, an acknowledgment in the product
	  documentation would be appreciated but is not required.
   2. Altered source versions must be plainly marked as such, and must
      not be misrepresented as being the original software.
   3. This notice may not be removed or altered from any source
      distribution.


JThread
---------------

This program uses the JThread library. License for JThread follows:

Copyright (c) 2000-2006  Jori Liesenborgs (jori.liesenborgs@gmail.com)

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.

Lua
---------------

Lua is licensed under the terms of the MIT license reproduced below.
This means that Lua is free software and can be used for both academic
and commercial purposes at absolutely no cost.

For details and rationale, see http://www.lua.org/license.html .

Copyright (C) 1994-2008 Lua.org, PUC-Rio.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

Fonts
---------------

DejaVu Sans Mono:

  Fonts are (c) Bitstream (see below). DejaVu changes are in public domain.
  Glyphs imported from Arev fonts are (c) Tavmjong Bah (see below)

Bitstream Vera Fonts Copyright:

  Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is
  a trademark of Bitstream, Inc.

Arev Fonts Copyright:

  Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.

Liberation Fonts Copyright:

  Copyright (c) 2007 Red Hat, Inc. All rights reserved. LIBERATION is a trademark of Red Hat, Inc.

DroidSansFallback:

  Copyright (C) 2008 The Android Open Source Project

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifdef NDEBUG
	/*#ifdef _WIN32
		#pragma message ("Disabling unit tests")
	#else
		#warning "Disabling unit tests"
	#endif*/
	// Disable unit tests
	#define ENABLE_TESTS 0
#else
	// Enable unit tests
	#define ENABLE_TESTS 1
#endif

#ifdef _MSC_VER
#ifndef SERVER // Dedicated server isn't linked with Irrlicht
	#pragma comment(lib, "Irrlicht.lib")
	// This would get rid of the console window
	//#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
#endif
	#pragma comment(lib, "zlibwapi.lib")
	#pragma comment(lib, "Shell32.lib")
#endif

#include "irrlicht.h" // createDevice

#include "main.h"
#include "mainmenumanager.h"
#include <iostream>
#include <fstream>
#include <locale.h>
#include "irrlichttypes_extrabloated.h"
#include "debug.h"
#include "test.h"
#include "clouds.h"
#include "server.h"
#include "constants.h"
#include "porting.h"
#include "gettime.h"
#include "guiMessageMenu.h"
#include "filesys.h"
#include "config.h"
#include "guiMainMenu.h"
#include "game.h"
#include "keycode.h"
#include "tile.h"
#include "chat.h"
#include "defaultsettings.h"
#include "gettext.h"
#include "settings.h"
#include "profiler.h"
#include "log.h"
#include "mods.h"
#if USE_FREETYPE
#include "xCGUITTFont.h"
#endif
#include "util/string.h"
#include "subgame.h"
#include "quicktune.h"
#include "serverlist.h"
#include "guiEngine.h"

/*
	Settings.
	These are loaded from the config file.
*/
Settings main_settings;
Settings *g_settings = &main_settings;

// Global profiler
Profiler main_profiler;
Profiler *g_profiler = &main_profiler;

// Menu clouds are created later
Clouds *g_menuclouds = 0;
irr::scene::ISceneManager *g_menucloudsmgr = 0;

/*
	Debug streams
*/

// Connection
std::ostream *dout_con_ptr = &dummyout;
std::ostream *derr_con_ptr = &verbosestream;

// Server
std::ostream *dout_server_ptr = &infostream;
std::ostream *derr_server_ptr = &errorstream;

// Client
std::ostream *dout_client_ptr = &infostream;
std::ostream *derr_client_ptr = &errorstream;

#ifndef SERVER
/*
	Random stuff
*/

/* mainmenumanager.h */

gui::IGUIEnvironment* guienv = NULL;
gui::IGUIStaticText *guiroot = NULL;
MainMenuManager g_menumgr;

bool noMenuActive()
{
	return (g_menumgr.menuCount() == 0);
}

// Passed to menus to allow disconnecting and exiting
MainGameCallback *g_gamecallback = NULL;
#endif

/*
	gettime.h implementation
*/

#ifdef SERVER

u32 getTimeMs()
{
	/* Use imprecise system calls directly (from porting.h) */
	return porting::getTime(PRECISION_MILLI);
}

u32 getTime(TimePrecision prec)
{
	return porting::getTime(prec);
}

#else

// A small helper class
class TimeGetter
{
public:
	virtual u32 getTime(TimePrecision prec) = 0;
};

// A precise irrlicht one
class IrrlichtTimeGetter: public TimeGetter
{
public:
	IrrlichtTimeGetter(IrrlichtDevice *device):
		m_device(device)
	{}
	u32 getTime(TimePrecision prec)
	{
		if (prec == PRECISION_MILLI) {
			if(m_device == NULL)
				return 0;
			return m_device->getTimer()->getRealTime();
		} else {
			return porting::getTime(prec);
		}
	}
private:
	IrrlichtDevice *m_device;
};
// Not so precise one which works without irrlicht
class SimpleTimeGetter: public TimeGetter
{
public:
	u32 getTime(TimePrecision prec)
	{
		return porting::getTime(prec);
	}
};

// A pointer to a global instance of the time getter
// TODO: why?
TimeGetter *g_timegetter = NULL;

u32 getTimeMs()
{
	if(g_timegetter == NULL)
		return 0;
	return g_timegetter->getTime(PRECISION_MILLI);
}

u32 getTime(TimePrecision prec) {
	if (g_timegetter == NULL)
		return 0;
	return g_timegetter->getTime(prec);
}
#endif

class StderrLogOutput: public ILogOutput
{
public:
	/* line: Full line with timestamp, level and thread */
	void printLog(const std::string &line)
	{
		std::cerr<<line<<std::endl;
	}
} main_stderr_log_out;

class DstreamNoStderrLogOutput: public ILogOutput
{
public:
	/* line: Full line with timestamp, level and thread */
	void printLog(const std::string &line)
	{
		dstream_no_stderr<<line<<std::endl;
	}
} main_dstream_no_stderr_log_out;

#ifndef SERVER

/*
	Event handler for Irrlicht

	NOTE: Everything possible should be moved out from here,
	      probably to InputHandler and the_game
*/

class MyEventReceiver : public IEventReceiver
{
public:
	// This is the one method that we have to implement
	virtual bool OnEvent(const SEvent& event)
	{
		/*
			React to nothing here if a menu is active
		*/
		if(noMenuActive() == false)
		{
			return false;
		}

		// Remember whether each key is down or up
		if(event.EventType == irr::EET_KEY_INPUT_EVENT)
		{
			if(event.KeyInput.PressedDown) {
				keyIsDown.set(event.KeyInput);
				keyWasDown.set(event.KeyInput);
			} else {
				keyIsDown.unset(event.KeyInput);
			}
		}

		if(event.EventType == irr::EET_MOUSE_INPUT_EVENT)
		{
			if(noMenuActive() == false)
			{
				left_active = false;
				middle_active = false;
				right_active = false;
			}
			else
			{
				left_active = event.MouseInput.isLeftPressed();
				middle_active = event.MouseInput.isMiddlePressed();
				right_active = event.MouseInput.isRightPressed();

				if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
				{
					leftclicked = true;
				}
				if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
				{
					rightclicked = true;
				}
				if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
				{
					leftreleased = true;
				}
				if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
				{
					rightreleased = true;
				}
				if(event.MouseInput.Event == EMIE_MOUSE_WHEEL)
				{
					mouse_wheel += event.MouseInput.Wheel;
				}
			}
		}

		return false;
	}

	bool IsKeyDown(const KeyPress &keyCode) const
	{
		return keyIsDown[keyCode];
	}
	
	// Checks whether a key was down and resets the state
	bool WasKeyDown(const KeyPress &keyCode)
	{
		bool b = keyWasDown[keyCode];
		if (b)
			keyWasDown.unset(keyCode);
		return b;
	}

	s32 getMouseWheel()
	{
		s32 a = mouse_wheel;
		mouse_wheel = 0;
		return a;
	}

	void clearInput()
	{
		keyIsDown.clear();
		keyWasDown.clear();

		leftclicked = false;
		rightclicked = false;
		leftreleased = false;
		rightreleased = false;

		left_active = false;
		middle_active = false;
		right_active = false;

		mouse_wheel = 0;
	}

	MyEventReceiver()
	{
		clearInput();
	}

	bool leftclicked;
	bool rightclicked;
	bool leftreleased;
	bool rightreleased;

	bool left_active;
	bool middle_active;
	bool right_active;

	s32 mouse_wheel;

private:
	IrrlichtDevice *m_device;
	
	// The current state of keys
	KeyList keyIsDown;
	// Whether a key has been pressed or not
	KeyList keyWasDown;
};

/*
	Separated input handler
*/

class RealInputHandler : public InputHandler
{
public:
	RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver):
		m_device(device),
		m_receiver(receiver)
	{
	}
	virtual bool isKeyDown(const KeyPress &keyCode)
	{
		return m_receiver->IsKeyDown(keyCode);
	}
	virtual bool wasKeyDown(const KeyPress &keyCode)
	{
		return m_receiver->WasKeyDown(keyCode);
	}
	virtual v2s32 getMousePos()
	{
		return m_device->getCursorControl()->getPosition();
	}
	virtual void setMousePos(s32 x, s32 y)
	{
		m_device->getCursorControl()->setPosition(x, y);
	}

	virtual bool getLeftState()
	{
		return m_receiver->left_active;
	}
	virtual bool getRightState()
	{
		return m_receiver->right_active;
	}
	
	virtual bool getLeftClicked()
	{
		return m_receiver->leftclicked;
	}
	virtual bool getRightClicked()
	{
		return m_receiver->rightclicked;
	}
	virtual void resetLeftClicked()
	{
		m_receiver->leftclicked = false;
	}
	virtual void resetRightClicked()
	{
		m_receiver->rightclicked = false;
	}

	virtual bool getLeftReleased()
	{
		return m_receiver->leftreleased;
	}
	virtual bool getRightReleased()
	{
		return m_receiver->rightreleased;
	}
	virtual void resetLeftReleased()
	{
		m_receiver->leftreleased = false;
	}
	virtual void resetRightReleased()
	{
		m_receiver->rightreleased = false;
	}

	virtual s32 getMouseWheel()
	{
		return m_receiver->getMouseWheel();
	}

	void clear()
	{
		m_receiver->clearInput();
	}
private:
	IrrlichtDevice *m_device;
	MyEventReceiver *m_receiver;
};

class RandomInputHandler : public InputHandler
{
public:
	RandomInputHandler()
	{
		leftdown = false;
		rightdown = false;
		leftclicked = false;
		rightclicked = false;
		leftreleased = false;
		rightreleased = false;
		keydown.clear();
	}
	virtual bool isKeyDown(const KeyPress &keyCode)
	{
		return keydown[keyCode];
	}
	virtual bool wasKeyDown(const KeyPress &keyCode)
	{
		return false;
	}
	virtual v2s32 getMousePos()
	{
		return mousepos;
	}
	virtual void setMousePos(s32 x, s32 y)
	{
		mousepos = v2s32(x,y);
	}

	virtual bool getLeftState()
	{
		return leftdown;
	}
	virtual bool getRightState()
	{
		return rightdown;
	}

	virtual bool getLeftClicked()
	{
		return leftclicked;
	}
	virtual bool getRightClicked()
	{
		return rightclicked;
	}
	virtual void resetLeftClicked()
	{
		leftclicked = false;
	}
	virtual void resetRightClicked()
	{
		rightclicked = false;
	}

	virtual bool getLeftReleased()
	{
		return leftreleased;
	}
	virtual bool getRightReleased()
	{
		return rightreleased;
	}
	virtual void resetLeftReleased()
	{
		leftreleased = false;
	}
	virtual void resetRightReleased()
	{
		rightreleased = false;
	}

	virtual s32 getMouseWheel()
	{
		return 0;
	}

	virtual void step(float dtime)
	{
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 40);
				keydown.toggle(getKeySetting("keymap_jump"));
			}
		}
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 40);
				keydown.toggle(getKeySetting("keymap_special1"));
			}
		}
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 40);
				keydown.toggle(getKeySetting("keymap_forward"));
			}
		}
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 40);
				keydown.toggle(getKeySetting("keymap_left"));
			}
		}
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 20);
				mousespeed = v2s32(Rand(-20,20), Rand(-15,20));
			}
		}
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 30);
				leftdown = !leftdown;
				if(leftdown)
					leftclicked = true;
				if(!leftdown)
					leftreleased = true;
			}
		}
		{
			static float counter1 = 0;
			counter1 -= dtime;
			if(counter1 < 0.0)
			{
				counter1 = 0.1*Rand(1, 15);
				rightdown = !rightdown;
				if(rightdown)
					rightclicked = true;
				if(!rightdown)
					rightreleased = true;
			}
		}
		mousepos += mousespeed;
	}

	s32 Rand(s32 min, s32 max)
	{
		return (myrand()%(max-min+1))+min;
	}
private:
	KeyList keydown;
	v2s32 mousepos;
	v2s32 mousespeed;
	bool leftdown;
	bool rightdown;
	bool leftclicked;
	bool rightclicked;
	bool leftreleased;
	bool rightreleased;
};

#endif // !SERVER

// These are defined global so that they're not optimized too much.
// Can't change them to volatile.
s16 temp16;
f32 tempf;
v3f tempv3f1;
v3f tempv3f2;
std::string tempstring;
std::string tempstring2;

void SpeedTests()
{
	{
		infostream<<"The following test should take around 20ms."<<std::endl;
		TimeTaker timer("Testing std::string speed");
		const u32 jj = 10000;
		for(u32 j=0; j<jj; j++)
		{
			tempstring = "";
			tempstring2 = "";
			const u32 ii = 10;
			for(u32 i=0; i<ii; i++){
				tempstring2 += "asd";
			}
			for(u32 i=0; i<ii+1; i++){
				tempstring += "asd";
				if(tempstring == tempstring2)
					break;
			}
		}
	}
	
	infostream<<"All of the following tests should take around 100ms each."
			<<std::endl;

	{
		TimeTaker timer("Testing floating-point conversion speed");
		tempf = 0.001;
		for(u32 i=0; i<4000000; i++){
			temp16 += tempf;
			tempf += 0.001;
		}
	}
	
	{
		TimeTaker timer("Testing floating-point vector speed");

		tempv3f1 = v3f(1,2,3);
		tempv3f2 = v3f(4,5,6);
		for(u32 i=0; i<10000000; i++){
			tempf += tempv3f1.dotProduct(tempv3f2);
			tempv3f2 += v3f(7,8,9);
		}
	}

	{
		TimeTaker timer("Testing std::map speed");
		
		std::map<v2s16, f32> map1;
		tempf = -324;
		const s16 ii=300;
		for(s16 y=0; y<ii; y++){
			for(s16 x=0; x<ii; x++){
				map1[v2s16(x,y)] =  tempf;
				tempf += 1;
			}
		}
		for(s16 y=ii-1; y>=0; y--){
			for(s16 x=0; x<ii; x++){
				tempf = map1[v2s16(x,y)];
			}
		}
	}

	{
		infostream<<"Around 5000/ms should do well here."<<std::endl;
		TimeTaker timer("Testing mutex speed");
		
		JMutex m;
		m.Init();
		u32 n = 0;
		u32 i = 0;
		do{
			n += 10000;
			for(; i<n; i++){
				m.Lock();
				m.Unlock();
			}
		}
		// Do at least 10ms
		while(timer.getTimerTime() < 10);

		u32 dtime = timer.stop();
		u32 per_ms = n / dtime;
		infostream<<"Done. "<<dtime<<"ms, "
				<<per_ms<<"/ms"<<std::endl;
	}
}

static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
		std::ostream &os)
{
	for(u32 i=0; i<worldspecs.size(); i++){
		std::string name = worldspecs[i].name;
		std::string path = worldspecs[i].path;
		if(name.find(" ") != std::string::npos)
			name = std::string("'") + name + "'";
		path = std::string("'") + path + "'";
		name = padStringRight(name, 14);
		os<<"  "<<name<<" "<<path<<std::endl;
	}
}

int main(int argc, char *argv[])
{
	int retval = 0;

	/*
		Initialization
	*/

	log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
	log_add_output_all_levs(&main_dstream_no_stderr_log_out);

	log_register_thread("main");

	// This enables internatonal characters input
	if( setlocale(LC_ALL, "") == NULL )
	{
		fprintf( stderr, "%s: warning: could not set default locale\n", argv[0] );
	}

	// Set locale. This is for forcing '.' as the decimal point.
	try {
		std::locale::global(std::locale(std::locale(""), "C", std::locale::numeric));
		setlocale(LC_NUMERIC, "C");
	} catch (const std::exception& ex) {
		errorstream<<"Could not set numeric locale to C"<<std::endl;
	}
	/*
		Parse command line
	*/
	
	// List all allowed options
	std::map<std::string, ValueSpec> allowed_options;
	allowed_options.insert(std::make_pair("help", ValueSpec(VALUETYPE_FLAG,
			_("Show allowed options"))));
	allowed_options.insert(std::make_pair("config", ValueSpec(VALUETYPE_STRING,
			_("Load configuration from specified file"))));
	allowed_options.insert(std::make_pair("port", ValueSpec(VALUETYPE_STRING,
			_("Set network port (UDP)"))));
	allowed_options.insert(std::make_pair("disable-unittests", ValueSpec(VALUETYPE_FLAG,
			_("Disable unit tests"))));
	allowed_options.insert(std::make_pair("enable-unittests", ValueSpec(VALUETYPE_FLAG,
			_("Enable unit tests"))));
	allowed_options.insert(std::make_pair("map-dir", ValueSpec(VALUETYPE_STRING,
			_("Same as --world (deprecated)"))));
	allowed_options.insert(std::make_pair("world", ValueSpec(VALUETYPE_STRING,
			_("Set world path (implies local game) ('list' lists all)"))));
	allowed_options.insert(std::make_pair("worldname", ValueSpec(VALUETYPE_STRING,
			_("Set world by name (implies local game)"))));
	allowed_options.insert(std::make_pair("info", ValueSpec(VALUETYPE_FLAG,
			_("Print more information to console"))));
	allowed_options.insert(std::make_pair("verbose",  ValueSpec(VALUETYPE_FLAG,
			_("Print even more information to console"))));
	allowed_options.insert(std::make_pair("trace", ValueSpec(VALUETYPE_FLAG,
			_("Print enormous amounts of information to log and console"))));
	allowed_options.insert(std::make_pair("logfile", ValueSpec(VALUETYPE_STRING,
			_("Set logfile path ('' = no logging)"))));
	allowed_options.insert(std::make_pair("gameid", ValueSpec(VALUETYPE_STRING,
			_("Set gameid (\"--gameid list\" prints available ones)"))));
#ifndef SERVER
	allowed_options.insert(std::make_pair("videomodes", ValueSpec(VALUETYPE_FLAG,
			_("Show available video modes"))));
	allowed_options.insert(std::make_pair("speedtests", ValueSpec(VALUETYPE_FLAG,
			_("Run speed tests"))));
	allowed_options.insert(std::make_pair("address", ValueSpec(VALUETYPE_STRING,
			_("Address to connect to. ('' = local game)"))));
	allowed_options.insert(std::make_pair("random-input", ValueSpec(VALUETYPE_FLAG,
			_("Enable random user input, for testing"))));
	allowed_options.insert(std::make_pair("server", ValueSpec(VALUETYPE_FLAG,
			_("Run dedicated server"))));
	allowed_options.insert(std::make_pair("name", ValueSpec(VALUETYPE_STRING,
			_("Set player name"))));
	allowed_options.insert(std::make_pair("password", ValueSpec(VALUETYPE_STRING,
			_("Set password"))));
	allowed_options.insert(std::make_pair("go", ValueSpec(VALUETYPE_FLAG,
			_("Disable main menu"))));
#endif

	Settings cmd_args;
	
	bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);

	if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
	{
		dstream<<_("Allowed options:")<<std::endl;
		for(std::map<std::string, ValueSpec>::iterator
				i = allowed_options.begin();
				i != allowed_options.end(); ++i)
		{
			std::ostringstream os1(std::ios::binary);
			os1<<"  --"<<i->first;
			if(i->second.type == VALUETYPE_FLAG)
				{}
			else
				os1<<_(" <value>");
			dstream<<padStringRight(os1.str(), 24);

			if(i->second.help != NULL)
				dstream<<i->second.help;
			dstream<<std::endl;
		}

		return cmd_args.getFlag("help") ? 0 : 1;
	}
	
	/*
		Low-level initialization
	*/
	
	// If trace is enabled, enable logging of certain things
	if(cmd_args.getFlag("trace")){
		dstream<<_("Enabling trace level debug output")<<std::endl;
		log_trace_level_enabled = true;
		dout_con_ptr = &verbosestream; // this is somewhat old crap
		socket_enable_debug_output = true; // socket doesn't use log.h
	}
	// In certain cases, output info level on stderr
	if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
			cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
		log_add_output(&main_stderr_log_out, LMT_INFO);
	// In certain cases, output verbose level on stderr
	if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
		log_add_output(&main_stderr_log_out, LMT_VERBOSE);

	porting::signal_handler_init();
	bool &kill = *porting::signal_handler_killstatus();
	
	porting::initializePaths();

	// Create user data directory
	fs::CreateDir(porting::path_user);

	init_gettext((porting::path_share + DIR_DELIM + "locale").c_str());

	infostream<<"path_share = "<<porting::path_share<<std::endl;
	infostream<<"path_user  = "<<porting::path_user<<std::endl;

	// Initialize debug stacks
	debug_stacks_init();
	DSTACK(__FUNCTION_NAME);

	// Debug handler
	BEGIN_DEBUG_EXCEPTION_HANDLER
	
	// List gameids if requested
	if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
	{
		std::set<std::string> gameids = getAvailableGameIds();
		for(std::set<std::string>::const_iterator i = gameids.begin();
				i != gameids.end(); i++)
			dstream<<(*i)<<std::endl;
		return 0;
	}
	
	// List worlds if requested
	if(cmd_args.exists("world") && cmd_args.get("world") == "list"){
		dstream<<_("Available worlds:")<<std::endl;
		std::vector<WorldSpec> worldspecs = getAvailableWorlds();
		print_worldspecs(worldspecs, dstream);
		return 0;
	}

	// Print startup message
	infostream<<PROJECT_NAME<<
			" "<<_("with")<<" SER_FMT_VER_HIGHEST_READ="<<(int)SER_FMT_VER_HIGHEST_READ
			<<", "<<BUILD_INFO
			<<std::endl;
	
	/*
		Basic initialization
	*/

	// Initialize default settings
	set_default_settings(g_settings);
	
	// Initialize sockets
	sockets_init();
	atexit(sockets_cleanup);
	
	/*
		Read config file
	*/
	
	// Path of configuration file in use
	std::string configpath = "";
	
	if(cmd_args.exists("config"))
	{
		bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
		if(r == false)
		{
			errorstream<<"Could not read configuration from \""
					<<cmd_args.get("config")<<"\""<<std::endl;
			return 1;
		}
		configpath = cmd_args.get("config");
	}
	else
	{
		std::vector<std::string> filenames;
		filenames.push_back(porting::path_user +
				DIR_DELIM + "minetest.conf");
		// Legacy configuration file location
		filenames.push_back(porting::path_user +
				DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#if RUN_IN_PLACE
		// Try also from a lower level (to aid having the same configuration
		// for many RUN_IN_PLACE installs)
		filenames.push_back(porting::path_user +
				DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#endif

		for(u32 i=0; i<filenames.size(); i++)
		{
			bool r = g_settings->readConfigFile(filenames[i].c_str());
			if(r)
			{
				configpath = filenames[i];
				break;
			}
		}
		
		// If no path found, use the first one (menu creates the file)
		if(configpath == "")
			configpath = filenames[0];
	}
	
	// Initialize debug streams
#define DEBUGFILE "debug.txt"
#if RUN_IN_PLACE
	std::string logfile = DEBUGFILE;
#else
	std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
#endif
	if(cmd_args.exists("logfile"))
		logfile = cmd_args.get("logfile");
	
	log_remove_output(&main_dstream_no_stderr_log_out);
	int loglevel = g_settings->getS32("debug_log_level");

	if (loglevel == 0) //no logging
		logfile = "";
	else if (loglevel > 0 && loglevel <= LMT_NUM_VALUES)
		log_add_output_maxlev(&main_dstream_no_stderr_log_out, (LogMessageLevel)(loglevel - 1));

	if(logfile != "")
		debugstreams_init(false, logfile.c_str());
	else
		debugstreams_init(false, NULL);
		
	infostream<<"logfile    = "<<logfile<<std::endl;

	// Initialize random seed
	srand(time(0));
	mysrand(time(0));

	/*
		Run unit tests
	*/

	if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
			|| cmd_args.getFlag("enable-unittests") == true)
	{
		run_tests();
	}
	
	/*
		Game parameters
	*/

	// Port
	u16 port = 30000;
	if(cmd_args.exists("port"))
		port = cmd_args.getU16("port");
	else if(g_settings->exists("port"))
		port = g_settings->getU16("port");
	if(port == 0)
		port = 30000;
	
	// World directory
	std::string commanded_world = "";
	if(cmd_args.exists("world"))
		commanded_world = cmd_args.get("world");
	else if(cmd_args.exists("map-dir"))
		commanded_world = cmd_args.get("map-dir");
	else if(cmd_args.exists("nonopt0")) // First nameless argument
		commanded_world = cmd_args.get("nonopt0");
	else if(g_settings->exists("map-dir"))
		commanded_world = g_settings->get("map-dir");
	
	// World name
	std::string commanded_worldname = "";
	if(cmd_args.exists("worldname"))
		commanded_worldname = cmd_args.get("worldname");
	
	// Strip world.mt from commanded_world
	{
		std::string worldmt = "world.mt";
		if(commanded_world.size() > worldmt.size() &&
				commanded_world.substr(commanded_world.size()-worldmt.size())
				== worldmt){
			dstream<<_("Supplied world.mt file - stripping it off.")<<std::endl;
			commanded_world = commanded_world.substr(
					0, commanded_world.size()-worldmt.size());
		}
	}
	
	// If a world name was specified, convert it to a path
	if(commanded_worldname != ""){
		// Get information about available worlds
		std::vector<WorldSpec> worldspecs = getAvailableWorlds();
		bool found = false;
		for(u32 i=0; i<worldspecs.size(); i++){
			std::string name = worldspecs[i].name;
			if(name == commanded_worldname){
				if(commanded_world != ""){
					dstream<<_("--worldname takes precedence over previously "
							"selected world.")<<std::endl;
				}
				commanded_world = worldspecs[i].path;
				found = true;
				break;
			}
		}
		if(!found){
			dstream<<_("World")<<" '"<<commanded_worldname<<_("' not "
					"available. Available worlds:")<<std::endl;
			print_worldspecs(worldspecs, dstream);
			return 1;
		}
	}

	// Gamespec
	SubgameSpec commanded_gamespec;
	if(cmd_args.exists("gameid")){
		std::string gameid = cmd_args.get("gameid");
		commanded_gamespec = findSubgame(gameid);
		if(!commanded_gamespec.isValid()){
			errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
			return 1;
		}
	}

	/*
		Run dedicated server if asked to or no other option
	*/
#ifdef SERVER
	bool run_dedicated_server = true;
#else
	bool run_dedicated_server = cmd_args.getFlag("server");
#endif
	g_settings->set("server_dedicated", run_dedicated_server ? "true" : "false");
	if(run_dedicated_server)
	{
		DSTACK("Dedicated server branch");
		// Create time getter if built with Irrlicht
#ifndef SERVER
		g_timegetter = new SimpleTimeGetter();
#endif

		// World directory
		std::string world_path;
		verbosestream<<_("Determining world path")<<std::endl;
		bool is_legacy_world = false;
		// If a world was commanded, use it
		if(commanded_world != ""){
			world_path = commanded_world;
			infostream<<"Using commanded world path ["<<world_path<<"]"
					<<std::endl;
		}
		// No world was specified; try to select it automatically
		else
		{
			// Get information about available worlds
			std::vector<WorldSpec> worldspecs = getAvailableWorlds();
			// If a world name was specified, select it
			if(commanded_worldname != ""){
				world_path = "";
				for(u32 i=0; i<worldspecs.size(); i++){
					std::string name = worldspecs[i].name;
					if(name == commanded_worldname){
						world_path = worldspecs[i].path;
						break;
					}
				}
				if(world_path == ""){
					dstream<<_("World")<<" '"<<commanded_worldname<<"' "<<_("not "
							"available. Available worlds:")<<std::endl;
					print_worldspecs(worldspecs, dstream);
					return 1;
				}
			}
			// If there is only a single world, use it
			if(worldspecs.size() == 1){
				world_path = worldspecs[0].path;
				dstream<<_("Automatically selecting world at")<<" ["
						<<world_path<<"]"<<std::endl;
			// If there are multiple worlds, list them
			} else if(worldspecs.size() > 1){
				dstream<<_("Multiple worlds are available.")<<std::endl;
				dstream<<_("Please select one using --worldname <name>"
						" or --world <path>")<<std::endl;
				print_worldspecs(worldspecs, dstream);
				return 1;
			// If there are no worlds, automatically create a new one
			} else {
				// This is the ultimate default world path
				world_path = porting::path_user + DIR_DELIM + "worlds" +
						DIR_DELIM + "world";
				infostream<<"Creating default world at ["
						<<world_path<<"]"<<std::endl;
			}
		}

		if(world_path == ""){
			errorstream<<"No world path specified or found."<<std::endl;
			return 1;
		}
		verbosestream<<_("Using world path")<<" ["<<world_path<<"]"<<std::endl;

		// We need a gamespec.
		SubgameSpec gamespec;
		verbosestream<<_("Determining gameid/gamespec")<<std::endl;
		// If world doesn't exist
		if(!getWorldExists(world_path))
		{
			// Try to take gamespec from command line
			if(commanded_gamespec.isValid()){
				gamespec = commanded_gamespec;
				infostream<<"Using commanded gameid ["<<gamespec.id<<"]"<<std::endl;
			}
			// Otherwise we will be using "minetest"
			else{
				gamespec = findSubgame(g_settings->get("default_game"));
				infostream<<"Using default gameid ["<<gamespec.id<<"]"<<std::endl;
			}
		}
		// World exists
		else
		{
			std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
			// If commanded to use a gameid, do so
			if(commanded_gamespec.isValid()){
				gamespec = commanded_gamespec;
				if(commanded_gamespec.id != world_gameid){
					errorstream<<"WARNING: Using commanded gameid ["
							<<gamespec.id<<"]"<<" instead of world gameid ["
							<<world_gameid<<"]"<<std::endl;
				}
			} else{
				// If world contains an embedded game, use it;
				// Otherwise find world from local system.
				gamespec = findWorldSubgame(world_path);
				infostream<<"Using world gameid ["<<gamespec.id<<"]"<<std::endl;
			}
		}
		if(!gamespec.isValid()){
			errorstream<<"Subgame ["<<gamespec.id<<"] could not be found."
					<<std::endl;
			return 1;
		}
		verbosestream<<_("Using gameid")<<" ["<<gamespec.id<<"]"<<std::endl;

		// Create server
		Server server(world_path, configpath, gamespec, false);
		server.start(port);
		
		// Run server
		dedicated_server_loop(server, kill);

		return 0;
	}

#ifndef SERVER // Exclude from dedicated server build

	/*
		More parameters
	*/
	
	std::string address = g_settings->get("address");
	if(commanded_world != "")
		address = "";
	else if(cmd_args.exists("address"))
		address = cmd_args.get("address");
	
	std::string playername = g_settings->get("name");
	if(cmd_args.exists("name"))
		playername = cmd_args.get("name");
	
	bool skip_main_menu = cmd_args.getFlag("go");

	/*
		Device initialization
	*/

	// Resolution selection
	
	bool fullscreen = g_settings->getBool("fullscreen");
	u16 screenW = g_settings->getU16("screenW");
	u16 screenH = g_settings->getU16("screenH");

	// bpp, fsaa, vsync

	bool vsync = g_settings->getBool("vsync");
	u16 bits = g_settings->getU16("fullscreen_bpp");
	u16 fsaa = g_settings->getU16("fsaa");

	// Determine driver

	video::E_DRIVER_TYPE driverType;
	
	std::string driverstring = g_settings->get("video_driver");

	if(driverstring == "null")
		driverType = video::EDT_NULL;
	else if(driverstring == "software")
		driverType = video::EDT_SOFTWARE;
	else if(driverstring == "burningsvideo")
		driverType = video::EDT_BURNINGSVIDEO;
	else if(driverstring == "direct3d8")
		driverType = video::EDT_DIRECT3D8;
	else if(driverstring == "direct3d9")
		driverType = video::EDT_DIRECT3D9;
	else if(driverstring == "opengl")
		driverType = video::EDT_OPENGL;
#ifdef _IRR_COMPILE_WITH_OGLES1_
	else if(driverstring == "ogles1")
		driverType = video::EDT_OGLES1;
#endif
#ifdef _IRR_COMPILE_WITH_OGLES2_
	else if(driverstring == "ogles2")
		driverType = video::EDT_OGLES2;
#endif
	else
	{
		errorstream<<"WARNING: Invalid video_driver specified; defaulting "
				"to opengl"<<std::endl;
		driverType = video::EDT_OPENGL;
	}

	/*
		List video modes if requested
	*/

	MyEventReceiver receiver;

	if(cmd_args.getFlag("videomodes")){
		IrrlichtDevice *nulldevice;

		SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
		params.DriverType    = video::EDT_NULL;
		params.WindowSize    = core::dimension2d<u32>(640, 480);
		params.Bits          = 24;
		params.AntiAlias     = fsaa;
		params.Fullscreen    = false;
		params.Stencilbuffer = false;
		params.Vsync         = vsync;
		params.EventReceiver = &receiver;

		nulldevice = createDeviceEx(params);

		if(nulldevice == 0)
			return 1;

		dstream<<_("Available video modes (WxHxD):")<<std::endl;

		video::IVideoModeList *videomode_list =
				nulldevice->getVideoModeList();

		if(videomode_list == 0){
			nulldevice->drop();
			return 1;
		}

		s32 videomode_count = videomode_list->getVideoModeCount();
		core::dimension2d<u32> videomode_res;
		s32 videomode_depth;
		for (s32 i = 0; i < videomode_count; ++i){
			videomode_res = videomode_list->getVideoModeResolution(i);
			videomode_depth = videomode_list->getVideoModeDepth(i);
			dstream<<videomode_res.Width<<"x"<<videomode_res.Height
					<<"x"<<videomode_depth<<std::endl;
		}

		dstream<<_("Active video mode (WxHxD):")<<std::endl;
		videomode_res = videomode_list->getDesktopResolution();
		videomode_depth = videomode_list->getDesktopDepth();
		dstream<<videomode_res.Width<<"x"<<videomode_res.Height
				<<"x"<<videomode_depth<<std::endl;

		nulldevice->drop();

		return 0;
	}

	/*
		Create device and exit if creation failed
	*/

	IrrlichtDevice *device;

	SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
	params.DriverType    = driverType;
	params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
	params.Bits          = bits;
	params.AntiAlias     = fsaa;
	params.Fullscreen    = fullscreen;
	params.Stencilbuffer = false;
	params.Vsync         = vsync;
	params.EventReceiver = &receiver;

	device = createDeviceEx(params);

	if (device == 0)
		return 1; // could not create selected driver.
	
	/*
		Continue initialization
	*/

	video::IVideoDriver* driver = device->getVideoDriver();

	/*
		This changes the minimum allowed number of vertices in a VBO.
		Default is 500.
	*/
	//driver->setMinHardwareBufferVertexCount(50);

	// Create time getter
	g_timegetter = new IrrlichtTimeGetter(device);
	
	// Create game callback for menus
	g_gamecallback = new MainGameCallback(device);
	
	/*
		Speed tests (done after irrlicht is loaded to get timer)
	*/
	if(cmd_args.getFlag("speedtests"))
	{
		dstream<<"Running speed tests"<<std::endl;
		SpeedTests();
		device->drop();
		return 0;
	}
	
	device->setResizable(true);

	bool random_input = g_settings->getBool("random_input")
			|| cmd_args.getFlag("random-input");
	InputHandler *input = NULL;
	if(random_input)
		input = new RandomInputHandler();
	else
		input = new RealInputHandler(device, &receiver);
	
	scene::ISceneManager* smgr = device->getSceneManager();

	guienv = device->getGUIEnvironment();
	gui::IGUISkin* skin = guienv->getSkin();
	std::string font_path = g_settings->get("font_path");
	gui::IGUIFont *font;
	bool use_freetype = g_settings->getBool("freetype");
	#if USE_FREETYPE
	if (use_freetype) {
		u16 font_size = g_settings->getU16("font_size");
		font = gui::CGUITTFont::createTTFont(guienv, font_path.c_str(), font_size);
	} else {
		font = guienv->getFont(font_path.c_str());
	}
	#else
	font = guienv->getFont(font_path.c_str());
	#endif
	if(font)
		skin->setFont(font);
	else
		errorstream<<"WARNING: Font file was not found."
				" Using default font."<<std::endl;
	// If font was not found, this will get us one
	font = skin->getFont();
	assert(font);
	
	u32 text_height = font->getDimension(L"Hello, world!").Height;
	infostream<<"text_height="<<text_height<<std::endl;

	//skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
	//skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
	//skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
	skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
	skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));

#if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
	// Irrlicht 1.8 input colours
	skin->setColor(gui::EGDC_EDITABLE, video::SColor(255,128,128,128));
	skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255,96,134,49));
#endif


	// Create the menu clouds
	if (!g_menucloudsmgr)
		g_menucloudsmgr = smgr->createNewSceneManager();
	if (!g_menuclouds)
		g_menuclouds = new Clouds(g_menucloudsmgr->getRootSceneNode(),
			g_menucloudsmgr, -1, rand(), 100);
	g_menuclouds->update(v2f(0, 0), video::SColor(255,200,200,255));
	scene::ICameraSceneNode* camera;
	camera = g_menucloudsmgr->addCameraSceneNode(0,
				v3f(0,0,0), v3f(0, 60, 100));
	camera->setFarValue(10000);

	/*
		GUI stuff
	*/

	ChatBackend chat_backend;

	/*
		If an error occurs, this is set to something and the
		menu-game loop is restarted. It is then displayed before
		the menu.
	*/
	std::wstring error_message = L"";

	// The password entered during the menu screen,
	std::string password;

	bool first_loop = true;

	/*
		Menu-game loop
	*/
	while(device->run() && kill == false)
	{
		// Set the window caption
		wchar_t* text = wgettext("Main Menu");
		device->setWindowCaption((std::wstring(L"Minetest [")+text+L"]").c_str());
		delete[] text;

		// This is used for catching disconnects
		try
		{

			/*
				Clear everything from the GUIEnvironment
			*/
			guienv->clear();
			
			/*
				We need some kind of a root node to be able to add
				custom gui elements directly on the screen.
				Otherwise they won't be automatically drawn.
			*/
			guiroot = guienv->addStaticText(L"",
					core::rect<s32>(0, 0, 10000, 10000));
			
			SubgameSpec gamespec;
			WorldSpec worldspec;
			bool simple_singleplayer_mode = false;

			// These are set up based on the menu and other things
			std::string current_playername = "inv£lid";
			std::string current_password = "";
			std::string current_address = "does-not-exist";
			int current_port = 0;

			/*
				Out-of-game menu loop.

				Loop quits when menu returns proper parameters.
			*/
			while(kill == false)
			{
				// If skip_main_menu, only go through here once
				if(skip_main_menu && !first_loop){
					kill = true;
					break;
				}
				first_loop = false;
				
				// Cursor can be non-visible when coming from the game
				device->getCursorControl()->setVisible(true);
				// Some stuff are left to scene manager when coming from the game
				// (map at least?)
				smgr->clear();
				
				// Initialize menu data
				MainMenuData menudata;
				menudata.kill = kill;
				menudata.address = address;
				menudata.name = playername;
				menudata.port = itos(port);
				menudata.errormessage = wide_to_narrow(error_message);
				error_message = L"";
				if(cmd_args.exists("password"))
					menudata.password = cmd_args.get("password");

				driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));

				menudata.enable_public = g_settings->getBool("server_announce");

				std::vector<WorldSpec> worldspecs = getAvailableWorlds();

				// If a world was commanded, append and select it
				if(commanded_world != ""){

					std::string gameid = getWorldGameId(commanded_world, true);
					std::string name = _("[--world parameter]");
					if(gameid == ""){
						gameid = g_settings->get("default_game");
						name += " [new]";
					}
					//TODO find within worldspecs and set config
				}

				if(skip_main_menu == false)
				{
					video::IVideoDriver* driver = device->getVideoDriver();

					infostream<<"Waiting for other menus"<<std::endl;
					while(device->run() && kill == false)
					{
						if(noMenuActive())
							break;
						driver->beginScene(true, true,
								video::SColor(255,128,128,128));
						guienv->drawAll();
						driver->endScene();
						// On some computers framerate doesn't seem to be
						// automatically limited
						sleep_ms(25);
					}
					infostream<<"Waited for other menus"<<std::endl;

					GUIEngine* temp = new GUIEngine(device, guiroot, &g_menumgr,smgr,&menudata);
					
					delete temp;
					//once finished you'll never end up here
					smgr->clear();
					kill = menudata.kill;

				}

				//update worldspecs (necessary as new world may have been created)
				worldspecs = getAvailableWorlds();

				if (menudata.name == "")
					menudata.name = std::string("Guest") + itos(myrand_range(1000,9999));
				else
					playername = menudata.name;

				password = translatePassword(playername, narrow_to_wide(menudata.password));
				//infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;

				address = menudata.address;
				int newport = stoi(menudata.port);
				if(newport != 0)
					port = newport;

				simple_singleplayer_mode = menudata.simple_singleplayer_mode;

				// Save settings
				g_settings->set("name", playername);
				g_settings->set("address", address);
				g_settings->set("port", itos(port));

				if((menudata.selected_world >= 0) &&
						(menudata.selected_world < worldspecs.size()))
					g_settings->set("selected_world_path",
							worldspecs[menudata.selected_world].path);

				// Break out of menu-game loop to shut down cleanly
				if(device->run() == false || kill == true)
					break;
				
				current_playername = playername;
				current_password = password;
				current_address = address;
				current_port = port;

				// If using simple singleplayer mode, override
				if(simple_singleplayer_mode){
					current_playername = "singleplayer";
					current_password = "";
					current_address = "";
					current_port = myrand_range(49152, 65535);
				}
				else if (address != "")
				{
					ServerListSpec server;
					server["name"] = menudata.servername;
					server["address"] = menudata.address;
					server["port"] = menudata.port;
					server["description"] = menudata.serverdescription;
					ServerList::insert(server);
				}
				
				// Set world path to selected one
				if ((menudata.selected_world >= 0) &&
					(menudata.selected_world < worldspecs.size())) {
					worldspec = worldspecs[menudata.selected_world];
					infostream<<"Selected world: "<<worldspec.name
							<<" ["<<worldspec.path<<"]"<<std::endl;
				}
				
				// If local game
				if(current_address == "")
				{
					if(menudata.selected_world == -1){
						error_message = wgettext("No world selected and no address "
								"provided. Nothing to do.");
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
					// Load gamespec for required game
					gamespec = findWorldSubgame(worldspec.path);
					if(!gamespec.isValid() && !commanded_gamespec.isValid()){
						error_message = wgettext("Could not find or load game \"")
								+ narrow_to_wide(worldspec.gameid) + L"\"";
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
					if(commanded_gamespec.isValid() &&
							commanded_gamespec.id != worldspec.gameid){
						errorstream<<"WARNING: Overriding gamespec from \""
								<<worldspec.gameid<<"\" to \""
								<<commanded_gamespec.id<<"\""<<std::endl;
						gamespec = commanded_gamespec;
					}

					if(!gamespec.isValid()){
						error_message = wgettext("Invalid gamespec.");
						error_message += L" (world_gameid="
								+narrow_to_wide(worldspec.gameid)+L")";
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
				}

				// Continue to game
				break;
			}

			// Break out of menu-game loop to shut down cleanly
			if(device->run() == false || kill == true) {
				g_settings->updateConfigFile(configpath.c_str());
				break;
			}

			/*
				Run game
			*/
			the_game(
				kill,
				random_input,
				input,
				device,
				font,
				worldspec.path,
				current_playername,
				current_password,
				current_address,
				current_port,
				error_message,
				configpath,
				chat_backend,
				gamespec,
				simple_singleplayer_mode
			);
			smgr->clear();

		} //try
		catch(con::PeerNotFoundException &e)
		{
			error_message = wgettext("Connection error (timed out?)");
			errorstream<<wide_to_narrow(error_message)<<std::endl;
		}
#ifdef NDEBUG
		catch(std::exception &e)
		{
			std::string narrow_message = "Some exception: \"";
			narrow_message += e.what();
			narrow_message += "\"";
			errorstream<<narrow_message<<std::endl;
			error_message = narrow_to_wide(narrow_message);
		}
#endif

		// If no main menu, show error and exit
		if(skip_main_menu)
		{
			if(error_message != L""){
				verbosestream<<"error_message = "
						<<wide_to_narrow(error_message)<<std::endl;
				retval = 1;
			}
			break;
		}
	} // Menu-game loop


	g_menuclouds->drop();
	g_menucloudsmgr->drop();

	delete input;

	/*
		In the end, delete the Irrlicht device.
	*/
	device->drop();

#if USE_FREETYPE
	if (use_freetype)
		font->drop();
#endif

#endif // !SERVER
	
	// Update configuration file
	if(configpath != "")
		g_settings->updateConfigFile(configpath.c_str());
	
	// Print modified quicktune values
	{
		bool header_printed = false;
		std::vector<std::string> names = getQuicktuneNames();
		for(u32 i=0; i<names.size(); i++){
			QuicktuneValue val = getQuicktuneValue(names[i]);
			if(!val.modified)
				continue;
			if(!header_printed){
				dstream<<"Modified quicktune values:"<<std::endl;
				header_printed = true;
			}
			dstream<<names[i]<<" = "<<val.getString()<<std::endl;
		}
	}

	END_DEBUG_EXCEPTION_HANDLER(errorstream)
	
	debugstreams_deinit();
	
	return retval;
}

//END