run_editor.sh

#!/bin/bash
# Copyright 2020-2022 Rapyuta Robotics Co., Ltd.

if [ -z "${UE5_DIR}" ]; then
        printf "Please set UE5_DIR to path of UE5 folder\n"
        exit 1
fi

DISCOVERY_SERVER=${1:-true}
CURRENT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
TB3_UE_DIR=${2:-"${CURRENT_DIR}"}
if $DISCOVERY_SERVER; then
        # Run discovery service for FastDDS
        (exec "${TB3_UE_DIR}/run_discovery_service.sh")

        # Configure environment for FastDDS discovery
        source ${TB3_UE_DIR}/fastdds_setup.sh
fi

#change default level, generating DefautlEngine.ini
DEFAULT_LEVEL=${LEVEL_NAME:-"Turtlebot3_benchmark"}
DEFAULT_RATE=${FIXED_FRAME_RATE:-"100.0"}
DEFAULT_RTF=${TARGET_RTF:-"1.0"}
sed -e 's/${LEVEL_NAME}/'${DEFAULT_LEVEL}'/g' Config/DefaultEngineBase.ini > Config/DefaultEngine.ini
sed -i -e 's/${FIXED_FRAME_RATE}/'${DEFAULT_RATE}'/g' Config/DefaultEngine.ini
sed -i -e 's/${TARGET_RTF}/'${DEFAULT_RTF}'/g' Config/DefaultEngine.ini

UE_EDITOR="${UE5_DIR}/Engine/Binaries/Linux/UnrealEditor"
(exec "$UE_EDITOR" "${TB3_UE_DIR}/turtlebot3.uproject")