MultiCraft Open Source

MultiCraft Open Source is a free open-source voxel game engine with easy modding and game creation.

MultiCraft is based on the Minetest project, which is developed by a number of contributors.

Special thanks to JetBrains and Talsec for their support of our community!

Further Documentation
Default Controls
Paths
Configuration File
Command-line Options
Compiling
Docker
Version Scheme

Further documentation

Minetest Website: https://minetest.net/
Minetest Wiki: https://wiki.minetest.net/
Minetest Developer wiki: https://dev.minetest.net/
Minetest Forum: https://forum.minetest.net/
Minetest GitHub: https://github.com/minetest/minetest/
doc/ directory of source distribution

Default controls

All controls are re-bindable using settings. Some can be changed in the key config dialog in the settings tab.

Button	Action
Move mouse	Look around
W, A, S, D	Move
Space	Jump/move up
Shift	Sneak/move down
Q	Drop itemstack
Shift + Q	Drop single item
Left mouse button	Dig/punch/take item
Right mouse button	Place/use
Shift + right mouse button	Build (without using)
I	Inventory menu
Mouse wheel	Select item
0-9	Select item
Z	Zoom (needs zoom privilege)
T	Chat
/	Command
Esc	Pause menu/abort/exit (pauses only singleplayer game)
R	Enable/disable full range view
+	Increase view range
-	Decrease view range
K	Enable/disable fly mode (needs fly privilege)
P	Enable/disable pitch move mode
J	Enable/disable fast mode (needs fast privilege)
H	Enable/disable noclip mode (needs noclip privilege)
E	Aux1 (Move fast in fast mode. Games may add special features)
C	Cycle through camera modes
V	Cycle through minimap modes
Shift + V	Change minimap orientation
F1	Hide/show HUD
F2	Hide/show chat
F3	Disable/enable fog
F4	Disable/enable camera update (Mapblocks are not updated anymore when disabled, disabled in release builds)
F5	Cycle through debug information screens
F6	Cycle through profiler info screens
F10	Show/hide console
F12	Take screenshot

Paths

Locations:

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

Where each location is on each platform:

Windows .zip / RUN_IN_PLACE source:
- bin = bin
- share = .
- user = .
Windows installed:
- bin = C:\Program Files\MultiCraft\bin (Depends on the install location)
- share = C:\Program Files\MultiCraft (Depends on the install location)
- user = %APPDATA%\MultiCraft
Linux installed:
- bin = /usr/bin
- share = /usr/share/multicraft
- user = ~/.multicraft
macOS:
- bin = Contents/MacOS
- share = Contents/Resources
- user = Contents/User OR ~/Library/Application Support/multicraft

Worlds can be found as separate folders in: user/worlds/

Configuration file

Default location: user/multicraft.conf
This file is created by closing MultiCraft for the first time.
A specific file can be specified on the command line: --config <path-to-file>
A run-in-place build will look for the configuration file in location_of_exe/../multicraft.conf and also location_of_exe/../../multicraft.conf

Command-line options

Use --help

Compiling

Compiling on GNU/Linux

Dependencies

Dependency	Version	Commentary
GCC	5.1+	or Clang 3.5+
CMake	3.5+
IrrlichtMt	-	Custom version of Irrlicht, see https://github.com/minetest/irrlicht
Freetype	2.0+
SQLite3	3+
Zstd	1.0+
LuaJIT	2.0+	Bundled Lua 5.1 is used if not present
GMP	5.0.0+	Bundled mini-GMP is used if not present
JsonCPP	1.0.0+	Bundled JsonCPP is used if not present

For Debian/Ubuntu users:

sudo apt install g++ make libc6-dev cmake libpng-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 libzstd-dev libluajit-5.1-dev

For Fedora users:

sudo dnf install make automake gcc gcc-c++ kernel-devel cmake libcurl-devel openal-soft-devel libvorbis-devel libXxf86vm-devel libogg-devel freetype-devel mesa-libGL-devel zlib-devel jsoncpp-devel gmp-devel sqlite-devel luajit-devel leveldb-devel ncurses-devel spatialindex-devel libzstd-devel

For Arch users:

sudo pacman -S base-devel libcurl-gnutls cmake libxxf86vm libpng sqlite libogg libvorbis openal freetype2 jsoncpp gmp luajit leveldb ncurses zstd

For Alpine users:

sudo apk add build-base cmake libpng-dev jpeg-dev libxxf86vm-dev mesa-dev sqlite-dev libogg-dev libvorbis-dev openal-soft-dev curl-dev freetype-dev zlib-dev gmp-dev jsoncpp-dev luajit-dev zstd-dev

Download

You can install Git for easily keeping your copy up to date. If you don’t want Git, read below on how to get the source without Git. This is an example for installing Git on Debian/Ubuntu:

sudo apt install git

For Fedora users:

sudo dnf install git

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/MultiCraft/MultiCraft.git
cd MultiCraft

Download IrrlichtMt to lib/irrlichtmt, it will be used to satisfy the IrrlichtMt dependency that way:

git clone --depth 1 https://github.com/minetest/irrlicht.git lib/irrlichtmt

Download source, without using Git:

wget https://github.com/MultiCraft/MultiCraft/archive/main.tar.gz
tar xf main.tar.gz
cd MultiCraft-main

Download IrrlichtMt, without using Git:

cd lib/
wget https://github.com/minetest/irrlicht/archive/master.tar.gz
tar xf master.tar.gz
mv irrlicht-master irrlichtmt
cd ..

Build

Build a version that runs directly from the source directory:

cmake . -DRUN_IN_PLACE=TRUE
make -j$(nproc)

Run it:

./bin/multicraft

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 the Irrlicht or IrrlichtMt library installed.
- In that case use -DIRRLICHT_INCLUDE_DIR=/some/where/irrlicht/include.
Minetest will use the IrrlichtMt package that is found first, given by the following order:
1. Specified IRRLICHTMT_BUILD_DIR CMake variable
2. ${PROJECT_SOURCE_DIR}/lib/irrlichtmt (if existent)
3. Installation of IrrlichtMt in the system-specific library paths
4. For server builds with disabled BUILD_CLIENT variable, the headers from IRRLICHT_INCLUDE_DIR will be used.
- NOTE: Changing the IrrlichtMt build directory (includes system installs) requires regenerating the CMake cache (rm CMakeCache.txt)

CMake options

General options and their default values:

BUILD_CLIENT=TRUE          - Build MultiCraft client
BUILD_SERVER=FALSE         - Build MultiCraft server
BUILD_UNITTESTS=TRUE       - Build unittest sources
CMAKE_BUILD_TYPE=Release   - 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=ON             - Build with cURL; Enables use of online mod repo, public serverlist and remote media fetching via http
ENABLE_CURSES=ON           - Build with (n)curses; Enables a server side terminal (command line option: --terminal)
ENABLE_GETTEXT=ON          - Build with Gettext; Allows using translations
ENABLE_GLES=OFF            - Build for OpenGL ES instead of OpenGL (requires support by IrrlichtMt)
ENABLE_LEVELDB=ON          - Build with LevelDB; Enables use of LevelDB map backend
ENABLE_POSTGRESQL=ON       - Build with libpq; Enables use of PostgreSQL map backend (PostgreSQL 9.5 or greater recommended)
ENABLE_REDIS=ON            - Build with libhiredis; Enables use of Redis map backend
ENABLE_SPATIAL=ON          - Build with LibSpatial; Speeds up AreaStores
ENABLE_SOUND=ON            - Build with OpenAL, libogg & libvorbis; in-game sounds
ENABLE_LUAJIT=ON           - Build with LuaJIT (much faster than non-JIT Lua)
ENABLE_PROMETHEUS=OFF      - Build with Prometheus metrics exporter (listens on tcp/30000 by default)
ENABLE_SYSTEM_GMP=ON       - Use GMP from system (much faster than bundled mini-gmp)
ENABLE_SYSTEM_JSONCPP=ON   - Use JsonCPP from system
OPENGL_GL_PREFERENCE=LEGACY - Linux client build only; See CMake Policy CMP0072 for reference
RUN_IN_PLACE=FALSE         - Create a portable install (worlds, settings etc. in current directory)
ENABLE_UPDATE_CHECKER=TRUE - Whether to enable update checks by default
USE_GPROF=FALSE            - Enable profiling using GProf
VERSION_EXTRA=             - Text to append to version (e.g. VERSION_EXTRA=foobar -> MultiCraft 0.4.9-foobar)
ENABLE_TOUCH=FALSE         - Enable Touchscreen support (requires support by IrrlichtMt)

Library specific options:

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
EXTRA_DLL                       - Only on Windows; optional paths to additional DLLs that should be packaged
FREETYPE_INCLUDE_DIR_freetype2  - Directory that contains files such as ftimage.h
FREETYPE_INCLUDE_DIR_ft2build   - Directory that contains ft2build.h
FREETYPE_LIBRARY                - Path to libfreetype.a/libfreetype.so/freetype.lib
FREETYPE_DLL                    - Only on Windows; path to libfreetype-6.dll
GETTEXT_DLL                     - Only when building with gettext on Windows; paths to libintl + libiconv DLLs
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 IrrlichtMt.dll
IRRLICHT_INCLUDE_DIR            - Directory that contains IrrCompileConfig.h (usable for server build only)
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
PostgreSQL_INCLUDE_DIR          - Only when building with PostgreSQL; directory that contains libpq-fe.h
PostgreSQL_LIBRARY              - Only when building with PostgreSQL; path to libpq.a/libpq.so/libpq.lib
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
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_LIBRARY              - Only if building with sound; path to libvorbisfile.a/libvorbisfile.so/libvorbisfile.dll.a
VORBIS_DLL                      - Only if building with sound on Windows; paths to vorbis DLLs
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
ZLIB_INCLUDE_DIR                - Directory that contains zlib.h
ZLIB_LIBRARY                    - Path to libz.a/libz.so/zlib.lib
ZSTD_DLL                        - Only on Windows; path to libzstd.dll
ZSTD_INCLUDE_DIR                - Directory that contains zstd.h
ZSTD_LIBRARY                    - Path to libzstd.a/libzstd.so/ztd.lib

Compiling on Windows using MSVC

Requirements

Compiling and installing the dependencies

It is highly recommended to use vcpkg as package manager.

After you successfully built vcpkg you can easily install the required libraries:

vcpkg install zlib zstd curl[winssl] openal-soft libvorbis libogg libjpeg-turbo sqlite3 freetype luajit gmp jsoncpp opengl-registry --triplet x64-windows

Don't forget about IrrlichtMt. The easiest way is to clone it to lib/irrlichtmt as described in the Linux section.
curl is optional, but required to read the serverlist, curl[winssl] is required to use the content store.
openal-soft, libvorbis and libogg are optional, but required to use sound.
luajit is optional, it replaces the integrated Lua interpreter with a faster just-in-time interpreter.
gmp and jsoncpp are optional, otherwise the bundled versions will be compiled

There are other optional libraries, but they are not tested if they can build and link correctly.

Use --triplet to specify the target triplet, e.g. x64-windows or x86-windows.

Compile MultiCraft

a) Using the vcpkg toolchain and CMake GUI

Start up the CMake GUI
Select Browse Source... and select DIR/multicraft
Select Browse Build... and select DIR/multicraft-build
Select Configure
Choose the right visual Studio version and target platform. It has to match the version of the installed dependencies
Choose Specify toolchain file for cross-compiling
Click Next
Select the vcpkg toolchain file e.g. D:/vcpkg/scripts/buildsystems/vcpkg.cmake
Click Finish
Wait until cmake have generated the cash file
If there are any errors, solve them and hit Configure
Click Generate
Click Open Project
Compile MultiCraft inside Visual studio.

b) Using the vcpkg toolchain and the commandline

Run the following script in PowerShell:

cmake . -G"Visual Studio 15 2017 Win64" -DCMAKE_TOOLCHAIN_FILE=D:/vcpkg/scripts/buildsystems/vcpkg.cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_GETTEXT=OFF -DENABLE_CURSES=OFF
cmake --build . --config Release

Make sure that the right compiler is selected and the path to the vcpkg toolchain is correct.

Windows Installer using WiX Toolset

Requirements:

In the Visual Studio 2017 Installer select Optional Features -> WiX Toolset.

Build the binaries as described above, but make sure you unselect RUN_IN_PLACE.

Open the generated project file with Visual Studio. Right-click Package and choose Generate. It may take some minutes to generate the installer.

Compiling on MacOS

Requirements

Homebrew
Git

Install dependencies with homebrew:

brew install cmake freetype gettext gmp hiredis jpeg jsoncpp leveldb libogg libpng libvorbis luajit zstd

Download

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 "Development Test" game is available) using Git:

git clone --depth 1 https://github.com/minetest/minetest_game.git games/minetest_game

Build

mkdir cmakebuild
cd cmakebuild

cmake .. \
    -DCMAKE_OSX_DEPLOYMENT_TARGET=10.14 \
    -DCMAKE_FIND_FRAMEWORK=LAST \
    -DCMAKE_INSTALL_PREFIX=../build/macos/ \
    -DRUN_IN_PLACE=FALSE -DENABLE_GETTEXT=TRUE

make -j$(nproc)
make install

Run

open ./build/macos/minetest.app

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MultiCraft Open Source

Table of Contents

Further documentation

Default controls

Paths

Configuration file

Command-line options

Compiling

Compiling on GNU/Linux

Dependencies

Download

Build

CMake options

Compiling on Windows using MSVC

Requirements

Compiling and installing the dependencies

Compile MultiCraft

a) Using the vcpkg toolchain and CMake GUI

b) Using the vcpkg toolchain and the commandline

Windows Installer using WiX Toolset

Compiling on MacOS

Requirements

Download

Build

Run

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