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Robot War Engine - Real-time strategy game engine compatible with Total Annihilation
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README.md

Robot War Engine

An open-source real-time strategy game engine that is highly compatible with Total Annihilation data files.

Build Status

AppVeyor build status Travis CI build Status

Download

There is currently no stable release. If you would like try out the latest, bleeding edge version, the latest zip file and/or installer is available at:

https://ci.appveyor.com/project/MHeasell/rwe/branch/master

To find the files, click "Environment: RWE_COMPILER=MSYS; Configuration: Release", then "Artifacts".

RWE is currently only available on Windows, however the code is also built and tested on Linux. Official Linux binaries will be available when the project reaches a stable version.

Source code is hosted on Github:

https://github.com/MHeasell/rwe

How to Install

  1. Create the folder %AppData%/RWE/Data and copy your TA data files to it (.hpi, .ufo, rev31.gp3, etc.)
  2. Run rwe.exe (if you used the installer, RWE will be in your start menu items)

How to Play

General:

  • Scroll through the map using the arrow keys (UP, DOWN, LEFT, RIGHT).

Units:

  • Left click to select units.
  • Right click to move units to the clicked area on the map.
  • To deselect units, left click on the map itself, off the unit.
  • To attack, with the unit selected, press A and select where to attack.
  • To stop units attacking, select them and press S.

Debugging:

  • To show the collision grid, press F9.
  • To show unit pathfinding, press F10. Unit pathfinding will only display when a unit is moving/has arrived at their destination.
  • To show passable/impassible terrain for units, press F11 (Be sure to have the unit selected for this to display!). This will show where units can travel according to their movement class.

Development Status

Progress updates are posted to a thread on the TAUniverse forums, usually once a week. See:

http://www.tauniverse.com/forum/showthread.php?t=45555

How to Build

First fetch the source code:

git clone https://github.com/MHeasell/rwe.git
cd rwe
git submodule update --init --recursive

Then follow the instructions for your platform.

Windows with Visual Studio

Get the RWE MSVC libraries bundle. A python 3 script is provided that will do this for you:

cd /path/to/rwe
python ./fetch-msvc-libs.py

Alternatively you can double-click the script in Explorer and it should run that way.

If the script completes successfully you should have a libs/_msvc folder containing various library files.

Now open Visual Studio 2017, go to File > Open > CMake... and select the CMakeLists.txt in the rwe folder. Choose x64-Debug in the build configuration dropdown. Finally, go to CMake > Debug from Build Folder > rwe.exe to build and launch RWE.

Windows with MSYS2

Download and install MSYS2 (http://www.msys2.org/)

Install the required packages:

pacman -S make unzip mingw-w64-x86_64-cmake mingw-w64-x86_64-toolchain
pacman -S \
  mingw-w64-x86_64-boost \
  mingw-w64-x86_64-SDL2 \
  mingw-w64-x86_64-SDL2_image \
  mingw-w64-x86_64-SDL2_mixer \
  mingw-w64-x86_64-SDL2_net \
  mingw-w64-x86_64-glew \
  mingw-w64-x86_64-smpeg2 \
  mingw-w64-x86_64-zlib \
  mingw-w64-x86_64-libpng

Open the MSYS MinGW 64-bit terminal.

Compile protobuf:

cd /path/to/rwe
cd libs
./build-protobuf.sh

Generate and build the project:

cd /path/to/rwe
mkdir build
cd build
cmake .. -G 'Unix Makefiles'
make

Once built, launch RWE from the top-level directory:

cd /path/to/rwe
build/rwe.exe

Ubuntu

Install the necessary packages:

sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install \
  gcc-7 \
  g++-7 \
  libboost-dev \
  libboost-filesystem-dev \
  libboost-program-options-dev \
  libsdl2-dev \
  libsdl2-image-dev \
  libsdl2-net-dev \
  libsdl2-mixer-dev \
  libglew-dev \
  zlib1g-dev \
  libpng-dev

Ensure you have a recent version of CMake (3.8+). The one provided by your package manager may not be new enough. Here's how you might install CMake:

wget 'https://cmake.org/files/v3.8/cmake-3.8.2-Linux-x86_64.tar.gz'
tar -xf cmake-3.8.2-Linux-x86_64.tar.gz
export CMAKE_MODULE_PATH=$(pwd)/cmake-3.8.2-Linux-x86_64/share/cmake-3.8/Modules
export PATH=$(pwd)/cmake-3.8.2-Linux-x86_64/bin:$PATH

Compile protobuf:

cd /path/to/rwe
cd libs
./build-protobuf.sh

Now build the code:

cd /path/to/rwe
mkdir build
cd build
export CC=gcc-7 CXX=g++-7
cmake .. -G 'Unix Makefiles'
make

Install some TA data files (.hpi, .ufo, .ccx, rev31.gp3, etc.) to your local data directory:

mkdir -p $HOME/.rwe/Data
cp /path/to/totala/*.hpi $HOME/.rwe/Data
cp /path/to/totala/*.ufo $HOME/.rwe/Data
cp /path/to/totala/*.ccx $HOME/.rwe/Data
cp /path/to/totala/*.gpf $HOME/.rwe/Data
cp /path/to/totala/*.gp3 $HOME/.rwe/Data

Alternatively you can symlink .rwe/Data to your TA directory.

Finally, launch RWE from the top-level project directory:

cd /path/to/rwe
build/rwe

The Launcher

The launcher application provides the multiplayer lobby for RWE.

Motivation

Multiplayer is implemented via a separate application rather than by recreating the original in-game multiplayer lobby for the following reasons.

In the future, the goal is to improve the multiplayer lobby experience beyond what is supported by the orignal TA multiplayer lobby. The RWE launcher will eventually support managing installed mods, and will ensure that all players in a multiplayer game have the same mods enabled before RWE is launched. It is impractical to achieve this with an implementation of the original multiplayer lobby inside RWE because RWE is primarily driven by the supplied game data, and this data dictates the design and layout of screens, as well as what screens are even available. An interface that manages mods must exist and work independently of any individual mod's game data. In this context, original TA data is also a mod that may or may not be available.

The engine codebase is already quite large and unwieldy. It is written in C++ for performance, but this does not provide a great development experience. The multiplayer lobby is not performance-critical, and given what we want to accomplish in future, it seems more practical to use a different platform that provides a better developer experience and is more suited to building traditional GUI applications.

Technology Choices

The launcher is an Electron application written in TypeScript with React and Redux.

How to Build and Run for Development

First go to the launcher directory and install the required npm modules.

cd path/to/rwe/launcher
npm install

Then start the webpack dev server

npm run server

The server will start up and stay running until interrupted. It serves the compiled application code during development and provides hot-reloading.

Open another terminal session for the next step, launching the application itself.

For development, you will need to set the RWE_HOME environment variable to a directory containing the rwe and rwe_bridge programs.

export RWE_HOME=/my/installed/rwe/dir

Now you can start the application.

npm start

The application window should now appear.

The launcher expects to talk to a master server that manages the list of publicly available games. In development, the launcher will try to connect to a master server instance running on the local machine. To start a master server instance locally, open another terminal session and run the following:

npm run master-server

The master server will start up and stay running until interrupted. Any running launcher instances should automatically connect to the master server.

How To Package

For releases, the launcher must be bundled up as a complete Electron application. To do this, run the following:

npm run package

The built application will be written out to a subdirectory whose name depends on the target platform. For example, for 64-bit Windows the directory name is rwe-launcher-win32-x64.

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