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# Maintainer: Dylan Ferris <dylan@psilly.com>
# You must register at unrealengine.com and link your github account to access this private repo.
# @see https://wiki.archlinux.org/index.php/Unreal_Engine_4
# The source is over 8 GiB, with an extra 3 GiB of dependencies downloaded in build(), and may take several hours to compile.
# Allows enlargement of /tmp to fit Unreal.
# set enlargetmp to any value.
pkgname='unreal-engine'
install="$pkgname.install"
pkgver=4.22.3
# shellcheck disable=SC2034
{
pkgrel=1
pkgdesc='A 3D game engine by Epic Games which can be used non-commercially for free.'
arch=('x86_64')
url='https://www.unrealengine.com/'
makedepends=('clang' 'mono' 'dos2unix' 'cmake' 'git')
depends=('icu' 'sdl2' 'python' 'lld' 'xdg-user-dirs')
license=('custom:UnrealEngine')
source=(
"git+ssh://git@github.com/EpicGames/UnrealEngine.git#tag=$pkgver-release"
'UE4Editor.desktop'
'html5-build.patch'
'recompile-version-selector.patch'
'Makefile'
'ignore-clang50-install.patch'
'use-arch-mono.patch'
'clang-70-support.patch'
'0001-Updates-UBT-Linux-tool-chain-for-supporting-clang-8.patch'
'0002-fixes-shadowing-issues-with-enums.patch'
)
sha256sums=('SKIP'
'46871ed662a3c97698be609d27da280d9000ec97183f1fa6592986f9910a2118'
'9fd6d16d56fbe0489a2580b86359df84b83a6987b5760a9e57ae0898f51943ac'
'1dd876fa48c6fb4fcd4ccbdb8ed4ceccfa294685911e91be58bbc5e95726c279'
'9654226ef3318389aa8fe15f3d4d14e7ac2113520ee5ebf2899d42273a2a6fb0'
'71a7304deebb00234c323eed9a73cdbd022099ba65f62fc90e78069eceed1f5d'
'c2a8ba1aba8fbda51270ec49e745ffba96e89cd627efe0d6a801d7629494a620'
'5d86920545fa341a7ae39f198bab61ef2e41b165f41805c2b64c137599eff61e'
'926c513cc59dcbde0dbac44b6201089a0381ea992ef3353919c049a25fa6c364'
'871e1a95f1761a613cfc2f0209f22e4afbacd102f2d3239bf27e3b16202e28ad')
# Package is 3 Gib smaller with "strip" but it's skipped because it takes a long time and generates many warnings
options=(strip staticlibs)
}
prepare() {
export TERM=xterm
# shellcheck disable=SC2154
ue4src="$srcdir/UnrealEngine/Engine/Source"
patch "$srcdir/UnrealEngine/Engine/Build/BatchFiles/Linux/Setup.sh" ignore-clang50-install.patch
patch "$srcdir/UnrealEngine/Engine/Build/BatchFiles/Linux/SetupMono.sh" use-arch-mono.patch
patch "$srcdir/UnrealEngine/Setup.sh" recompile-version-selector.patch
pushd "$srcdir/UnrealEngine" > /dev/null
patch -p1 -i ../clang-70-support.patch
patch -p1 -i ../0001-Updates-UBT-Linux-tool-chain-for-supporting-clang-8.patch
patch -p1 -i ../0002-fixes-shadowing-issues-with-enums.patch
popd > /dev/null
cp "$srcdir/Makefile" "$srcdir/UnrealEngine/Makefile"
# Source Code Accessors
# CodeLite (Fully integrated)
# cd $srcdir/UnrealEngine/Engine/Config/Linux && sed -i '10c\PreferredAccessor=CodeLiteSourceCodeAccessor' LinuxEngine.ini
# Qt Creator
# cd $srcdir/UnrealEngine/Engine/Plugins/Developer && git clone https://github.com/fire/QtCreatorSourceCodeAccess
# cd $srcdir/UnrealEngine/Engine/Config/Linux && sed -i '10c\PreferredAccessor=QtCreatorSourceCodeAccessor' LinuxEngine.ini
# VIM or EMACS
# cd $srcdir/UnrealEngine/Engine/Plugins/Developer && git clone https://github.com/fire/SensibleEditorSourceCodeAccess
# cd $srcdir/UnrealEngine/Engine/Config/Linux && sed -i '10c\PreferredAccessor=SensibleEditorSourceCodeAccessor' LinuxEngine.ini
# shellcheck disable=SC2164
cd "$srcdir/UnrealEngine"
# clean up old builds before building a new version
#git clean -xdf
# TODO check if setup files already exist. Check if file edited recently
echo "Running setup"
./Setup.sh
patch "$ue4src/Programs/UnrealBuildTool/Platform/HTML5/HTML5SDKInfo.cs" "$srcdir/html5-build.patch"
echo "generating project files"
./GenerateProjectFiles.sh -makefile
}
build() {
# shellcheck disable=SC2164
cd "$srcdir/UnrealEngine"
# this should work instead of "git clean", but something leftover causes crashes
#make ARGS=-clean
# -j1 to force one make job; the first time fails if there are multiple jobs
make -j1
}
package() {
# install dir
dir="opt/$pkgname"
# install .desktop
if [ "$dir" != "opt/$pkgname" ] # set new path if dir changed
then
sed -i "5c\Path=/$dir/Engine/Binaries/Linux/" UE4Editor.desktop
sed -i "6c\Exec=\'/$dir/Engine/Binaries/Linux/UE4Editor\' %F" UE4Editor.desktop
fi
# shellcheck disable=SC2154
install -Dm644 UE4Editor.desktop "$pkgdir/usr/share/applications/UE4Editor.desktop"
# shellcheck disable=SC2164
cd "$srcdir/UnrealEngine"
# license
install -Dm644 LICENSE.md "$pkgdir/usr/share/licenses/UnrealEngine/LICENSE.md"
# fix "could not chmod +x" warning when compiling c++ project
chmod a+x Engine/Binaries/DotNET/IOS/IPhonePackager.exe
# icon for .desktop file
install -Dm644 Engine/Source/Programs/UnrealVS/Resources/Preview.png "$pkgdir/usr/share/pixmaps/UE4Editor.png"
# engine
install -d "$pkgdir/$dir/Engine"
mv Engine/Binaries "$pkgdir/$dir/Engine/Binaries"
mv Engine/Build "$pkgdir/$dir/Engine/Build"
mv Engine/Config "$pkgdir/$dir/Engine/Config"
mv Engine/Content "$pkgdir/$dir/Engine/Content"
install -d "$pkgdir/$dir/Engine/DerivedDataCache" # editor needs this
mv Engine/Documentation "$pkgdir/$dir/Engine/Documentation"
mv Engine/Extras "$pkgdir/$dir/Engine/Extras"
install -d "$pkgdir/$dir/Engine/Intermediate" # editor needs this, but not the contents
mv Engine/Plugins "$pkgdir/$dir/Engine/Plugins"
mv Engine/Programs "$pkgdir/$dir/Engine/Programs"
mv Engine/Saved "$pkgdir/$dir/Engine/Saved"
mv Engine/Shaders "$pkgdir/$dir/Engine/Shaders"
mv Engine/Source "$pkgdir/$dir/Engine/Source" # the source cannot be redistributed, but seems to be needed to compile c++ projects
# these folders needs to be writable, otherwise there is a segmentation fault when starting the editor
chmod -R a+rwX "$pkgdir/$dir/Engine"
# content
mv FeaturePacks "$pkgdir/$dir/FeaturePacks"
mv Samples "$pkgdir/$dir/Samples"
mv Templates "$pkgdir/$dir/Templates"
# build scripts, used by some plugins (CLion)
install -Dm755 GenerateProjectFiles.sh "$pkgdir/$dir/GenerateProjectFiles.sh"
install -Dm755 Setup.sh "$pkgdir/$dir/Setup.sh"
install -Dm644 .ue4dependencies "$pkgdir/$dir/.ue4dependencies"
}
# vim:set ts=2 sw=2 et:
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