392699a82d
This builds Unreal Engine 4 and has a wrapper to start the editor. Sadly the application requires write access to a lot of paths. I have a hack to do a symlink tree under $HOME and it works well, the UE4Editor binary just needs to be not a symlink.
82 lines
2.7 KiB
Nix
82 lines
2.7 KiB
Nix
{ stdenv, writeScript, fetchurl, requireFile, unzip, clang_35, mono, which,
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xorg, xdg-user-dirs }:
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let
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inherit (stdenv) lib;
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deps = import ./cdn-deps.nix { inherit fetchurl; };
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linkDeps = writeScript "link-deps.sh" (lib.concatMapStringsSep "\n" (hash:
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let prefix = lib.concatStrings (lib.take 2 (lib.stringToCharacters hash));
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in ''
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mkdir -p .git/ue4-gitdeps/${prefix}
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ln -s ${lib.getAttr hash deps} .git/ue4-gitdeps/${prefix}/${hash}
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''
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) (lib.attrNames deps));
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libPath = stdenv.lib.makeLibraryPath [
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xorg.libX11 xorg.libXScrnSaver xorg.libXau xorg.libXcursor xorg.libXext
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xorg.libXfixes xorg.libXi xorg.libXrandr xorg.libXrender xorg.libXxf86vm
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xorg.libxcb
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];
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in
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stdenv.mkDerivation rec {
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name = "ue4-${version}";
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version = "4.10.2";
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sourceRoot = "UnrealEngine-${version}-release";
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src = requireFile {
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name = "${sourceRoot}.zip";
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url = "https://github.com/EpicGames/UnrealEngine/releases/tag/${version}";
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sha256 = "1rh6r2z00kjzq1i2235py65bg9i482az4rwr14kq9n4slr60wkk1";
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};
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unpackPhase = ''
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${unzip}/bin/unzip $src
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'';
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configurePhase = ''
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${linkDeps}
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# Sometimes mono segfaults and things start downloading instead of being
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# deterministic. Let's just fail in that case.
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export http_proxy="nodownloads"
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patchShebangs Setup.sh
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patchShebangs Engine/Build/BatchFiles/Linux
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./Setup.sh
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./GenerateProjectFiles.sh
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'';
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installPhase = ''
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mkdir -p $out/bin $out/share/UnrealEngine
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sharedir="$out/share/UnrealEngine"
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cat << EOF > $out/bin/UE4Editor
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#! $SHELL -e
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sharedir="$sharedir"
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# Can't include spaces, so can't piggy-back off the other Unreal directory.
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workdir="\$HOME/.config/unreal-engine-nix-workdir"
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if [ ! -e "\$workdir" ]; then
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mkdir -p "\$workdir"
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${xorg.lndir}/bin/lndir "\$sharedir" "\$workdir"
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unlink "\$workdir/Engine/Binaries/Linux/UE4Editor"
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cp "\$sharedir/Engine/Binaries/Linux/UE4Editor" "\$workdir/Engine/Binaries/Linux/UE4Editor"
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fi
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cd "\$workdir/Engine/Binaries/Linux"
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export PATH="${xdg-user-dirs}/bin\''${PATH:+:}\$PATH"
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export LD_LIBRARY_PATH="${libPath}\''${LD_LIBRARY_PATH:+:}\$LD_LIBRARY_PATH"
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exec ./UE4Editor "\$@"
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EOF
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chmod +x $out/bin/UE4Editor
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cp -r . "$sharedir"
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'';
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buildInputs = [ clang_35 mono which xdg-user-dirs ];
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meta = {
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description = "A suite of integrated tools for game developers to design and build games, simulations, and visualizations";
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homepage = https://www.unrealengine.com/what-is-unreal-engine-4;
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license = stdenv.lib.licenses.unfree;
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platforms = stdenv.lib.platforms.linux;
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maintainers = [ stdenv.lib.maintainers.puffnfresh ];
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};
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}
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