Unreal Engine UAT Game Build Automation (Win/Linux)

build-linux.sh

#!/bin/bash

set -e
set +x

echo "Building Game for Linux..."

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
BUILD_DIR="${DIR}/Build/"
PROJECT="${DIR}/Game.uproject"
TARGET="CPPThirdPerson"

UE_DIR="/path/to/Unreal Engine/5.1.0"
UE_UAT="${UE_DIR}/Engine/Build/BatchFiles/RunUAT.sh"
PLATFORM="Linux"

# Get unreal engine version from uproject file.
UE_VERSION=$(grep "EngineAssociation" "${PROJECT}" | cut -d '"' -f 4)

echo "Game will use Unreal Engine ${UE_VERSION}..."

# load unreal engine installs from ~/.config/Epic/UnrealEngine/Install.ini

if [ ! -f ~/.config/Epic/UnrealEngine/Install.ini ]; then
	echo "No Unreal Engine installations found. Please install Unreal Engine ${UE_VERSION}."
	exit 1
fi

# Get the path to the Unreal Engine version.
UE_DIR=$(grep "${UE_VERSION}=" ~/.config/Epic/UnrealEngine/Install.ini | cut -d '=' -f 2)

if [ -z "${UE_DIR}" ]; then
	echo "Unreal Engine ${UE_VERSION} not found. Please install Unreal Engine ${UE_VERSION}."
	exit 1
fi

# Get the path to the Unreal Engine UAT.
UE_UAT="${UE_DIR}/Engine/Build/BatchFiles/RunUAT.sh"

if [ -z "${UE_UAT}" ]; then
	echo "Unreal Engine ${UE_VERSION} UAT not found. Please install Unreal Engine ${UE_VERSION}."
	exit 1
fi

echo "Found Unreal Engine ${UE_VERSION}. Building..."

cd "${UE_DIR}"
set -x
"${UE_UAT}" BuildCookRun \
		-project="${PROJECT}" -target=${TARGET} -clientconfig=Shipping \
		-package -platform=${PLATFORM} \
		-archive -archivedirectory="${BUILD_DIR}" \
		-compile -build -cook -stage \
		-nop4 -iostore -pak -prereqs -nodebuginfo -installed -compressed

build-win.bat

@echo off
title Build Game

set DIR=%~dp0
set BUILD_DIR=%DIR%Build
set PROJECT=%DIR%Game.uproject
set TARGET=CPPThirdPerson

set UE_DIR=D:\Program Files\Epic Games\UE_5.1
set UE_UAT=%UE_DIR%\Engine\Build\BatchFiles\RunUAT.bat
set PLATFORM=Win64

@REM Get unreal engine version from uproject file.
for /f "tokens=2 delims=:" %%a in ('findstr "EngineAssociation" "%PROJECT%"') do (
	set UE_VERSION=%%a
)
set UE_VERSION=%UE_VERSION: =%
set UE_VERSION=%UE_VERSION:"=%
set UE_VERSION=%UE_VERSION:~0,-1%

echo Game will use Unreal Engine %UE_VERSION%...

@REM load unreal engine installs from registry
for /f "tokens=2*" %%a in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\EpicGames\Unreal Engine\%UE_VERSION%" /v "InstalledDirectory" 2^>^&1^|find "REG_"') do (
	set UE_DIR=%%b
)

if not exist "%UE_DIR%" (
	echo Unreal Engine installation not found.
	echo Please install Unreal Engine %UE_VERSION%.
	echo https://www.unrealengine.com/en-US/download
	pause
	exit
)

set UE_UAT=%UE_DIR%\Engine\Build\BatchFiles\RunUAT.bat

if not exist "%UE_UAT%" (
	echo Unreal Engine installation not found.
	echo Please install Unreal Engine %UE_VERSION%.
	echo https://www.unrealengine.com/en-US/download
	pause
	exit
)

@REM Build.
echo Found Unreal Engine %UE_VERSION%. Building...

cd "%UE_DIR%"
call "%UE_UAT%" ^
		BuildCookRun ^
			-project="%PROJECT%" -target=%TARGET% -clientconfig=Shipping ^
			-package -platform=%PLATFORM% ^
			-archive -archivedirectory="%BUILD_DIR%" ^
			-compile -build -cook -stage ^
			-nop4 -iostore -pak -prereqs -nodebuginfo -installed -compressed

@echo on