Install TGUI and SFML:
sudo apt-get update
sudo apt-get install libsfml-dev libx11-dev libgl1-mesa-dev libfreetype6-dev libjpeg-dev libudev-dev cmake
Download TGUI 0.9.5 from: https://github.com/texus/TGUI/archive/v0.9.5.zip, extract, go into the directory, then:
cmake -S . -B build
cmake --build build -j$(grep -c ^processor /proc/cpuinfo)
sudo cmake --install build
Build project:
./build.sh
Run client:
./run_client.sh
Run server:
./run_server.sh