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kringkring
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Add UE 5.3 Linux build.
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‎.github/actions/install-unreal-linux/action.yml

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name: Install Unreal Engine
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inputs:
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unreal-engine-zip:
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required: true
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type: string
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aws-access-key-id:
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required: true
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type: string
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aws-secret-access-key:
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required: true
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type: string
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runs:
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using: composite
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steps:
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- name: Download Unreal Engine
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env:
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AWS_REGION: us-east-1
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AWS_ACCESS_KEY_ID: ${{ inputs.aws-access-key-id }}
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AWS_SECRET_ACCESS_KEY: ${{ inputs.aws-secret-access-key }}
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shell: bash
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run: |
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aws s3 cp ${{ inputs.unreal-engine-zip }} ./ue.zip --no-progress
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- name: Unzip Unreal Engine
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shell: bash
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run: |
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unzip -q ue.zip -d $HOME
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rm ue.zip

‎.github/workflows/build.yml

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unreal-program-name: "UE_5.3"
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upload-package-base-name: "CesiumForUnreal-53-android"
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android-ndk-version: "r25b"
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Linux53:
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uses: ./.github/workflows/buildLinux.yml
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secrets: inherit
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with:
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runner-label: ubuntu-latest
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unreal-engine-version: "5.3.0"
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unreal-engine-zip: "s3://cesium-unreal-engine/5.3.0/Linux_Unreal_Engine_5.3.0.zip"
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unreal-program-name: "UE_5.3"
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upload-package-base-name: "CesiumForUnreal-53-linux"
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clang-version: "v22_clang-16.0.6-centos7"
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# Linux53:
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# runs-on: ["self-hosted","linux","x64","unreal-53"]
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# steps:

‎.github/workflows/buildLinux.yml

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name: Build Linux
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on:
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workflow_call:
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inputs:
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runner-label:
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required: true
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type: string
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unreal-engine-version:
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required: true
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type: string
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unreal-engine-zip:
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required: true
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type: string
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unreal-program-name:
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required: true
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type: string
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upload-package-base-name:
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required: true
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type: string
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extra-choco-packages:
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required: false
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type: string
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default: ''
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clang-version:
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required: true
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type: string
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jobs:
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build:
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runs-on: ${{ inputs.runner-label }}
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- name: Check out repository code
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uses: actions/checkout@v4
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with:
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submodules: recursive
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- name: Install nasm
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uses: ilammy/[email protected]
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- name: Install Ninja
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run: |
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sudo apt install ninja
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- name: Install Unreal Engine
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uses: ./.github/actions/install-unreal-linux
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with:
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unreal-engine-zip: ${{ inputs.unreal-engine-zip }}
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unreal-program-name: ${{ inputs.unreal-program-name }}
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aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
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aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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- name: Set environment variables
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run: |
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echo "CESIUM_UNREAL_VERSION=$GITHUB_REF_NAME" >> "$GITHUB_ENV"
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echo "BUILD_CESIUM_UNREAL_PACKAGE_NAME=${{ inputs.upload-package-base-name }}-${CESIUM_UNREAL_VERSION}" >> "$GITHUB_ENV"
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echo "UNREAL_ENGINE_DIR=$HOME/${{ inputs.unreal-program-name }}" >> "$GITHUB_ENV"
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echo "LINUX_MULTIARCH_ROOT=$UNREAL_ENGINE_DIR/Engine/Extras/ThirdPartyNotUE/SDKs/HostLinux/Linux_x64/${{ inputs.clang-version }}/" >> "$GITHUB_ENV"
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- name: Build cesium-native
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run: |
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export UNREAL_ENGINE_COMPILER_DIR="${LINUX_MULTIARCH_ROOT}x86_64-unknown-linux-gnu"
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export UNREAL_ENGINE_LIBCXX_DIR="${UNREAL_ENGINE_DIR}/Engine/Source/ThirdParty/Unix/LibCxx"
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cd extern
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cmake -B build -S . -G Ninja -DCMAKE_TOOLCHAIN_FILE="unreal-linux-toolchain.cmake" -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Release
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cmake --build build --config Release --target install -j8
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cd ..
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rm -rf extern
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- name: Build plugin
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run: |
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mkdir -p ~/.config/Unreal\ Engine/UnrealBuildTool
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printf '<?xml version="1.0" encoding="utf-8" ?>\n<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">\n <BuildConfiguration>\n <MaxParallelActions>2</MaxParallelActions>\n </BuildConfiguration>\n</Configuration>\n' > ~/.config/Unreal\ Engine/UnrealBuildTool/BuildConfiguration.xml
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sed -i 's/\"EngineVersion\": \"5.1.0\"/\"EngineVersion\": \"${{ inputs.unreal-engine-version }}\"/g' CesiumForUnreal.uplugin
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cd $UNREAL_ENGINE_DIR/Engine/Build/BatchFiles
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./RunUAT.sh BuildPlugin -Plugin="$GITHUB_WORKSPACE/CesiumForUnreal.uplugin" -Package="$GITHUB_WORKSPACE/packages/CesiumForUnreal" -CreateSubFolder -TargetPlatforms=Linux
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- name: Fix RPATH
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run: |
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sudo yum install -y patchelf
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cd $GITHUB_WORKSPACE/packages/CesiumForUnreal/Binaries/Linux
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patchelf --print-rpath libUnrealEditor-CesiumRuntime.so
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export UPDATED_RPATH=`patchelf --print-rpath libUnrealEditor-CesiumRuntime.so | sed 's/${ORIGIN}[^:]*\/SunPosition\/Binaries\/Linux/${ORIGIN}\/..\/..\/..\/..\/Runtime\/SunPosition\/Binaries\/Linux/'`
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patchelf --force-rpath --set-rpath "$UPDATED_RPATH" libUnrealEditor-CesiumRuntime.so
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- name: Compress debug sections
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run: |
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for f in packages/CesiumForUnreal/Binaries/Linux/*.so; do objcopy --compress-debug-sections $f; done
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for f in packages/CesiumForUnreal/Binaries/Linux/*.debug; do objcopy --compress-debug-sections $f; done
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for f in packages/CesiumForUnreal/Intermediate/Build/Linux/x64/UnrealGame/Development/CesiumRuntime/*.o; do objcopy --compress-debug-sections $f; done
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for f in packages/CesiumForUnreal/Intermediate/Build/Linux/x64/UnrealGame/Shipping/CesiumRuntime/*.o; do objcopy --compress-debug-sections $f; done
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- name: Publish plugin package artifact
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if: ${{ success() }}
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uses: actions/upload-artifact@v4
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with:
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name: ${{ env.BUILD_CESIUM_UNREAL_PACKAGE_NAME}}
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path: packages

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