linux.yml

name: Build MVL Project for Linux

on:
  workflow_call:
  workflow_dispatch:

jobs:
  build-linux:
    runs-on: ubuntu-latest
    name: ${{ matrix.name }}
    timeout-minutes: 120
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Linux-Mono
            cache-name: linux-mono
            bin: ./godot/bin/godot.linuxbsd.editor.x86_64.llvm.mono

    steps:
      - name: Checkout MVL Repository
        uses: actions/checkout@v5
        with:
          path: mvl-repo

      - name: 1. Setup Dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential gettext llvm mold scons pkg-config libx11-dev libxcursor-dev libxinerama-dev libgl1-mesa-dev libglu1-mesa-dev libasound2-dev libpulse-dev libudev-dev libxi-dev libxrandr-dev libwayland-dev

      - name: 2.1. Setup .NET8 SDK
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: '8.0.x' 

      - name: 2.2. Setup .NET10 SDK
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: '10.0.x'

      - name: 3. Download and Setup Vintage Story Clients
        run: |
          echo "Setting up Vintage Story environments..."
          wget https://cdn.vintagestory.at/gamefiles/stable/vs_client_linux-x64_1.21.5.tar.gz
          mkdir -p NET8
          tar -xzf vs_client_linux-x64_1.21.5.tar.gz -C NET8
          echo "VINTAGE_STORY=$(pwd)/NET8/vintagestory" >> $GITHUB_ENV

          echo "Vintage Story paths set."

      - name: 4.1. Clone Godot & Cache SCons
        id: godot-build
        run: git clone https://github.com/scgm0/godot.git --branch MVL

      - name: 4.2. Restore Godot build cache
        uses: ./mvl-repo/.github/actions/godot-cache-restore
        with:
          cache-name: ${{ matrix.cache-name }}
        continue-on-error: true

      - name: 4.3 Compilation Editor
        uses: ./mvl-repo/.github/actions/godot-build
        with:
          scons-flags: >-
            linker=mold
            module_mono_enabled=yes
            use_llvm=yes
            accesskit=no
            disable_xr=yes
          platform: linuxbsd
          target: editor

      - name: 4.4 Compilation Release
        uses: ./mvl-repo/.github/actions/godot-build
        with:
          scons-flags: >-
            linker=mold
            lto=full
            profile=../mvl-repo/MVL/GodotBuildProfile/custom.py
            build_profile=../mvl-repo/MVL/GodotBuildProfile/custom.build
          platform: linuxbsd
          target: template_release

      - name: 4.5. Save Godot build cache
        uses: ./mvl-repo/.github/actions/godot-cache-save
        with:
          cache-name: ${{ matrix.cache-name }}
        continue-on-error: true

      - name: 4.6 Generate C# glue
        run: |
          ${{ matrix.bin }} --headless --generate-mono-glue ./godot/modules/mono/glue
          ./godot/modules/mono/build_scripts/build_assemblies.py --godot-output-dir=./godot/bin --push-nupkgs-local ./godot/bin/GodotSharp/Tools/nupkgs --godot-platform=linuxbsd
          dotnet nuget add source $(pwd)/godot/bin/GodotSharp/Tools/nupkgs

      - name: 5.1 Build and Export MVL Project
        run: |
          echo "Building MVL solution..."
          dotnet build mvl-repo/MVL

          echo "Importing assets with Godot..."
          ${{ matrix.bin }} --path mvl-repo/MVL --import --headless

          sed -i "s|custom_template/release=.*|custom_template/release=\"$(pwd)/godot/bin/godot.linuxbsd.template_release.x86_64.mono\"|" mvl-repo/MVL/export_presets.cfg

          echo "--- Verifying export_presets.cfg ---"
          cat mvl-repo/MVL/export_presets.cfg
          echo "------------------------------------"

          mkdir -p export_build
          mkdir -p export_build/linux
          ${{ matrix.bin }} --path mvl-repo/MVL --headless --export-release "Linux" $(pwd)/export_build/linux/MVL.x86_64

          echo "Export finished."

      - name: 5.2 Setup AppimageTool
        uses: AnimMouse/setup-appimage@v2
        with:
          filename: appimagetool
          url: https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage
          cache_key: continuous

      - name: 5.3 Package as AppImage
        run: |
          echo "Creating AppImage structure..."
          mkdir -p AppDir

          cp export_build/linux/MVL.x86_64 AppDir/
          cp export_build/linux/MVL.pck AppDir/
          cp -r export_build/linux/data_MVL_linuxbsd_x86_64 AppDir/

          cat > AppDir/AppRun <<EOF
          #!/bin/sh
          set -e

          this_dir="\$(readlink -f "\$(dirname "\$0")")"

          export PATH="\$this_dir":"\$PATH"
          export EXECUTABLEFILE="$APPIMAGE"

          exec "\$this_dir"/MVL.x86_64 "\$@"
          EOF
          chmod +x AppDir/AppRun

          cat > AppDir/mvl.desktop <<EOF
          [Desktop Entry]
          Name=MVL
          Name[zh_CN]=神麤詭末的复古物语启动器
          Exec=MVL
          Icon=icon
          Type=Application
          Comment=一个开源的复古物语启动器
          Categories=Game;Utility;
          EOF

          cp mvl-repo/MVL/Assets/Icon/icon.svg AppDir/icon.svg

          echo "Generating AppImage..."
          appimagetool AppDir MVL-x86_64.AppImage --comp zstd --mksquashfs-opt -Xcompression-level --mksquashfs-opt 22

      - name: 6.1. Upload AppImage Artifact
        uses: actions/upload-artifact@v7
        with:
          name: mvl-linux-appimage
          path: MVL-x86_64.AppImage

      - name: 6.2. Upload Raw Artifact
        uses: actions/upload-artifact@v7
        with:
          name: mvl-linux-raw
          path: export_build/linux/*