build.yml

name: "Godot Build Pipeline"

on:
  push:
    tags:
      - "v*.*.*"
    branches:
      - "main"
  pull_request:
    branches:
      - "main"

env:
  GODOT_VERSION: "4.3"
  PROJECT_PATH: "."
  GAME_NAME: "SumZero"

jobs:
  build-web:
    name: Web Build
    runs-on: ubuntu-latest
    container:
      image: barichello/godot-ci:4.3
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          lfs: true
      - name: Setup
        run: |
          mkdir -v -p ~/.local/share/godot/export_templates/
          mv /root/.local/share/godot/export_templates/${GODOT_VERSION}.stable ~/.local/share/godot/export_templates/${GODOT_VERSION}.stable
      - name: Web Build
        run: |
          mkdir -v -p build/web
          EXPORT_DIR="$(readlink -f build)"
          cd $PROJECT_PATH
          godot --headless --verbose --export-release "Web" "$EXPORT_DIR"/web/index.html
      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: web
          path: build/web
          
  build-windows:
    name: Windows Build
    runs-on: ubuntu-latest
    container:
      image: barichello/godot-ci:4.3
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup
        run: |
          mkdir -v -p ~/.local/share/godot/export_templates/
          mkdir -v -p ~/.config/
          mv /root/.config/godot ~/.config/godot
          mv /root/.local/share/godot/export_templates/${GODOT_VERSION}.stable ~/.local/share/godot/export_templates/${GODOT_VERSION}.stable
      - name: Windows Build
        run: |
          mkdir -v -p build/windows
          EXPORT_DIR="$(readlink -f build)"
          cd $PROJECT_PATH
          godot --headless --verbose --export-release "Windows Desktop" "$EXPORT_DIR"/windows/"$GAME_NAME".exe
      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: windows
          path: build/windows
          
  build-linux:
    name: Linux Build
    runs-on: ubuntu-latest
    container:
      image: barichello/godot-ci:4.3
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup
        run: |
          mkdir -v -p ~/.local/share/godot/export_templates/
          mv /root/.local/share/godot/export_templates/${GODOT_VERSION}.stable ~/.local/share/godot/export_templates/${GODOT_VERSION}.stable
      - name: Linux Build
        run: |
          mkdir -v -p build/linux
          EXPORT_DIR="$(readlink -f build)"
          cd $PROJECT_PATH
          godot --headless --verbose --export-release "Linux" "$EXPORT_DIR"/linux/"$GAME_NAME".x86_64
      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: linux
          path: build/linux
          
  create-release:
    name: Create Release
    needs: [build-web, build-windows, build-linux]
    runs-on: ubuntu-latest
    if: github.ref_type == 'tag'
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Download Artifacts
        uses: actions/download-artifact@v4
        with:
          path: builds
          
      - name: Generate Changelog
        id: changelog
        run: |
          # Get changes since last tag
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          if [ -z "$PREVIOUS_TAG" ]; then
            # If this is the first tag, get all commits
            CHANGELOG=$(git log --pretty=format:"* %s" ${{ github.ref_name }})
          else
            CHANGELOG=$(git log --pretty=format:"* %s" ${PREVIOUS_TAG}..${{ github.ref_name }})
          fi
          # Save changelog to a file and escape newlines for Github Actions
          echo "$CHANGELOG" > CHANGELOG.md
          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT
          
      - name: Prepare Release Files
        run: |
          cd builds
          VERSION=${GITHUB_REF_NAME#v}
          
          # Web build
          cd web
          zip -r "../${GAME_NAME}_web_${VERSION}.zip" .
          cd ..
          
          # Windows build
          cd windows
          zip -r "../${GAME_NAME}_windows_${VERSION}.zip" .
          cd ..
          
          # Linux build
          cd linux
          zip -r "../${GAME_NAME}_linux_${VERSION}.zip" .
          cd ..
          
          # Generate SHA256 checksums
          echo "# SHA256 Checksums" > ../SHA256SUMS.txt
          sha256sum ${GAME_NAME}_*.zip >> ../SHA256SUMS.txt
          
      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          files: |
            builds/${{ env.GAME_NAME }}_web_${{ github.ref_name }}.zip
            builds/${{ env.GAME_NAME }}_windows_${{ github.ref_name }}.zip
            builds/${{ env.GAME_NAME }}_linux_${{ github.ref_name }}.zip
            SHA256SUMS.txt
          body: |
            ## Changes in this release:
            ${{ steps.changelog.outputs.changelog }}
            
            ## SHA256 Checksums
            ```
            $(cat SHA256SUMS.txt)
            ```
          draft: false
          prerelease: false