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Buildat - A minecraftlike with vast extendability.

Buildat doesn't actually even implement a minecraftlike by default. It just provides a lot of useful machinery for doing just that, with immense modding capabilities.

It wraps a safe subset of Urho3D's Lua API in a whitelisting Lua sandbox on the client side and runs runtime-compiled C++ modules on the server side.

Go ahead and write some modules and extensions, maybe the minecraftlike will exist in the near future!

Further reading:

Buildat Linux How-To

Install dependencies

$ # Dependencies for Urho3D
$ sudo apt-get install libx11-dev libxrandr-dev libasound2-dev libgl1-mesa-dev
$ sudo yum install libX11-devel libXrandr-devel alsa-lib-devel

Get and build Urho3D

NOTE: Occasionally you have to use celeron55's fork of Urho3D due to special features needed by Buildat that are missing in upstream Urho3D. Don't worry, Urho3D isn't a distro-packageable library due to its various configuration options.

$ git clone https://github.com/celeron55/Urho3D.git
$ cd Urho3D
$ ./cmake_gcc.sh -DURHO3D_LIB_TYPE=SHARED -DURHO3D_LUA=true -DURHO3D_SAFE_LUA=true  # Add -DURHO3D_64BIT=true on 64-bit systems
$ cd Build
$ make -j4
  • -DURHO3D_LIB_TYPE=SHARED is required for the operation of the module interface.
  • -DURHO3D_SAFE_LUA=true helps debugging issues in Lua.

Take note whether you build a 32 or a 64 bit version and use the same option in Buildat's CMake configuration.

Build Buildat

$ export URHO3D_HOME=/path/to/urho3d
$ cd $wherever_buildat_is
$ mkdir Build  # Capital B is a good idea so it stays out of the way in tabcomplete
$ cd Build
$ cmake .. -DCMAKE_BUILD_TYPE=Debug -DURHO3D_LIB_TYPE=SHARED  # Add -DURHO3D_64BIT=true on 64-bit systems
$ make -j4

You can use -DBUILD_SERVER=false or -DBUILD_CLIENT=false if you don't need the server or the client, respectively.

Run Buildat

Terminal 1:

$ $wherever_buildat_is/Build
$ bin/buildat_server -m ../games/minigame

Terminal 2:

$ $wherever_buildat_is/Build
$ bin/buildat_client -s localhost -U $URHO3D_HOME

Modify something and see stuff happen

Edit something and then restart the client (CTRL+C in terminal 2):

$ cd $wherever_buildat_is
$ vim games/minigame/main/client_lua/init.lua
$ vim games/minigame/main/main.cpp
$ vim builtin/network/network.cpp

Buildat Windows How-To

Use Mingw-w64 in an MSYS environment. Make sure to use a pthreads version of Mingw-w64. Windows threads are not supported ATM.

$ cd /path/to/Urho3D
$ mkdir Build
$ cd Build
$ cmake ../Source -G "MSYS Makefiles" -DURHO3D_LIB_TYPE=SHARED -DURHO3D_LUAJIT=TRUE
$ make -j4

$ cd /path/to/buildat
$ mkdir Build
$ cd Build
$ export URHO3D_HOME="/path/to/Urho3D"
$ cmake .. -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Debug -DURHO3D_LIB_TYPE=SHARED -DURHO3D_LUAJIT=TRUE
$ make -j4

Running the server:

$ bin/buildat_server.exe -m ../games/minigame -c "c++ -Lbin -lbuildat_server_core"