ImDoom 64 is a reverse-engineering project aimed to recreate Doom 64 as close as possible with additional modding features. This project is a fork of Doom64EX.

Unlike Doom64EX, ImDoom 64 uses an original, unmodified N64 ROM. As a result, there is no Wadgen utility. To use, rename your legally obtained ROM to doom64.rom and place it in one of ImDoom 64's search paths.

• git
• C++17-compliant compiler (gcc 8).
• Meson 0.47 or newer
• ninja 1.5 or newer.
• SDL2
• SDL2_net
• libpng 1.6 or newer
• zlib
• fluidsynth (optional)
• fmt 5.2.1 or newer (optional)

The optional dependencies will be downloaded and compiled automatically by meson if missing.

$ # Install required dependencies
$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
$ sudo apt-get update
$ sudo apt-get install -y g++-8 git libsdl2-net-dev libpng-dev python3.5 python3-pip
$ python3.5 -m pip3 install --user meson

$ # Install optional dependencies (GTK+3)
$ sudo apt-get install -y valac libgtk-3-dev

$ # Set up environment (NOTE: Repeat these steps if you close your shell)
$ export PATH=$HOME/.local/bin:$PATH CC=gcc-8 CXX=g++-8

#### Ubuntu 18.04

```bash
$ # Install required dependencies
$ sudo apt-get install -y g++-8 git libsdl2-net-dev libpng-dev ninja-build python3-pip
$ pip3 install meson

$ # Install optional dependencies (GTK+3)
$ sudo apt-get install -y valac libgtk-3-dev

$ # Set up environment (NOTE: Repeat these steps if you close your shell)
$ export PATH=$HOME/.local/bin:$PATH CC=gcc-8 CXX=g++-8

$ # Install required dependencies
$ sudo apt-get install -y g++-8 meson git libsdl2-net-dev libpng-dev

$ # Install optional dependencies (GTK+3)
$ sudo apt-get install -y valac libgtk-3-dev

$ # Set up environment (NOTE: Repeat these steps if you close your shell)
$ export CC=gcc-8 CXX=g++-8

The following distributions are unsupported at the moment. If you manage to get this program to work, please submit a pull-request with updated documentation.

• Red Hat Enterprise Linux
• SUSE Enterprise Linux
• CentOS
• Debian Stable
• Any distribution whose maintainers have stopped supporting. (Ie. old LTS distros)

Once everything is installed, do:

$ # Get the sources
$ git clone https://github.com/Doom64/ImDoom64.git --recursive

$ # Enter build directory
$ mkdir -p ImDoom64/build
$ cd ImDoom64/build

$ # Build
$ CC=gcc-8 CXX=g++-8 meson --default-library=static --buildtype=release -Denable_gtk3=false ..
$ ninja
$ sudo ninja install

ImDoom 64 is now usable using the imdoom64 command or through the ImDoom 64 icon in your system menus.

The game will look for files in your $XDG_DATA_DIR/imdoom64 directory. This is normally ~/.local/share/imdoom64.

Additionally, it will look in the following system directories:

• /usr/local/share/games/imdoom64
• /usr/local/share/imdoom64
• /usr/local/share/doom
• /usr/share/games/imdoom64
• /usr/share/imdoom64
• /usr/share/doom
• /opt/imdoom64
• /app/imdoom64

When running the flatpak version, the program's filesystem access is limited. The only directory that is accessible is ~/.var/app/com.dotfloat.ImDoom64/data/imdoom64.

The game will look for files in the same location the Doom64.exe.

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