build_client.sh

#!/bin/bash

#
# Copyright (c) 2022-2026 SpeculativeCoder (https://github.com/SpeculativeCoder)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#

set -x # show all commands being run
set -u # error on undefined variables
set -e # bail on ANY error

set -a
source ./env/common.env || true
set +a

export UNREAL_CLIENT_CONFIGURATION=${UNREAL_CLIENT_CONFIGURATION:-Development}

export UNREAL_PROJECT_NAME=${UNREAL_PROJECT_NAME:-MyProject}
export UNREAL_PROJECT_REGION_MAPS=${UNREAL_PROJECT_REGION_MAPS:-Region0001}
export UNREAL_PROJECT_TRANSITION_MAP=${UNREAL_PROJECT_TRANSITION_MAP:-Entry}
# TODO: better default due to risk of long path?
export UNREAL_PROJECT_DIR=${UNREAL_PROJECT_DIR:-${HOME}/Unreal\ Projects/${UNREAL_PROJECT_NAME}}
export UNREAL_ENGINE_DIR=${UNREAL_ENGINE_DIR:-${HOME}/ue-4.27-html5-es3}

web_project_dir=$(realpath -e $(dirname "$0"))

# TODO: array split
for map in ${UNREAL_PROJECT_REGION_MAPS}
do
  package_dir=${web_project_dir}/Package/${UNREAL_CLIENT_CONFIGURATION}/HTML5Client/${map}

  mkdir -p ${package_dir}

  # ASTC
  ${UNREAL_ENGINE_DIR}/Engine/Build/BatchFiles/RunUAT.bat BuildCookRun \
   -Project=${UNREAL_PROJECT_DIR}/${UNREAL_PROJECT_NAME}.uproject \
   -Target=${UNREAL_PROJECT_NAME}Client -TargetPlatform=HTML5 -ClientConfig=${UNREAL_CLIENT_CONFIGURATION} \
   -CookFlavor=ASTC \
   -Build -Cook -Stage -Package -Archive \
   -MapsToCook=${map}+${UNREAL_PROJECT_TRANSITION_MAP} -Map=${UNREAL_PROJECT_TRANSITION_MAP} \
   -ArchiveDirectory=${package_dir} \
   -PreReqs -Pak -Compressed -NoCompileEditor -SkipCookingEditorContent \
   -NoP4 -UTF8Output -NoDebugInfo

  # DXT (default)
  ${UNREAL_ENGINE_DIR}/Engine/Build/BatchFiles/RunUAT.bat BuildCookRun \
   -Project=${UNREAL_PROJECT_DIR}/${UNREAL_PROJECT_NAME}.uproject \
   -Target=${UNREAL_PROJECT_NAME}Client -TargetPlatform=HTML5 -ClientConfig=${UNREAL_CLIENT_CONFIGURATION} \
   -Build -Cook -Stage -Package -Archive \
   -MapsToCook=${map}+${UNREAL_PROJECT_TRANSITION_MAP} -Map=${UNREAL_PROJECT_TRANSITION_MAP} \
   -ArchiveDirectory=${package_dir} \
   -PreReqs -Pak -Compressed -NoCompileEditor -SkipCookingEditorContent \
   -NoP4 -UTF8Output -NoDebugInfo

  find ${package_dir} -exec touch {} +

done