Split windows from linux CI workflows

.github/workflows/windows.yml

@@ -0,0 +1,147 @@
+name: windows
+
+# build on c/cpp changes or workflow changes
+on:
+  push:
+    paths:
+      - 'lib/**.[ch]'
+      - 'lib/**.cpp'
+      - 'src/**.[ch]'
+      - 'src/**.cpp'
+      - '**/CMakeLists.txt'
+      - 'cmake/Modules/**'
+      - 'util/buildbot/**'
+      - 'misc/irrlichtmt_tag.txt'
+      - 'misc/*.manifest'
+      - '.github/workflows/windows.yml'
+  pull_request:
+    paths:
+      - 'lib/**.[ch]'
+      - 'lib/**.cpp'
+      - 'src/**.[ch]'
+      - 'src/**.cpp'
+      - '**/CMakeLists.txt'
+      - 'cmake/Modules/**'
+      - 'util/buildbot/**'
+      - 'misc/irrlichtmt_tag.txt'
+      - 'misc/*.manifest'
+      - '.github/workflows/windows.yml'
+
+jobs:
+  mingw32:
+    name: "MinGW cross-compiler (32-bit)"
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install compiler
+        run: |
+          sudo apt-get update && sudo apt-get install -y gettext
+          sudo ./util/buildbot/download_toolchain.sh i686 /usr
+
+      - name: Build
+        run: |
+           EXISTING_MINETEST_DIR=$PWD ./util/buildbot/buildwin32.sh B
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: mingw32
+          path: B/build/*.zip
+          if-no-files-found: error
+
+  mingw64:
+    name: "MinGW cross-compiler (64-bit)"
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install compiler
+        run: |
+          sudo apt-get update && sudo apt-get install -y gettext
+          sudo ./util/buildbot/download_toolchain.sh x86_64 /usr
+
+      - name: Build
+        run: |
+          EXISTING_MINETEST_DIR=$PWD ./util/buildbot/buildwin64.sh B
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: mingw64
+          path: B/build/*.zip
+          if-no-files-found: error
+
+  msvc:
+    name: VS 2019 ${{ matrix.config.arch }}-${{ matrix.type }}
+    runs-on: windows-2019
+    env:
+      VCPKG_VERSION: 8eb57355a4ffb410a2e94c07b4dca2dffbee8e50
+      # 2023.10.19
+      vcpkg_packages: zlib zstd curl[winssl] openal-soft libvorbis libogg libjpeg-turbo sqlite3 freetype luajit gmp jsoncpp opengl-registry
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {
+              arch: x86,
+              generator: "-G'Visual Studio 16 2019' -A Win32",
+              vcpkg_triplet: x86-windows
+            }
+          - {
+              arch: x64,
+              generator: "-G'Visual Studio 16 2019' -A x64",
+              vcpkg_triplet: x64-windows
+            }
+        type: [portable]
+#        type: [portable, installer]
+# The installer type is working, but disabled, to save runner jobs.
+# Enable it, when working on the installer.
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Checkout IrrlichtMt
+        run: |
+          $ref = @(Get-Content misc\irrlichtmt_tag.txt)
+          git clone https://github.com/minetest/irrlicht lib\irrlichtmt --depth 1 -b $ref[0]
+
+      - name: Restore from cache and run vcpkg
+        uses: lukka/run-vcpkg@v7
+        with:
+          vcpkgArguments: ${{env.vcpkg_packages}}
+          vcpkgDirectory: '${{ github.workspace }}\vcpkg'
+          appendedCacheKey: ${{ matrix.config.vcpkg_triplet }}
+          vcpkgGitCommitId: ${{ env.VCPKG_VERSION }}
+          vcpkgTriplet: ${{ matrix.config.vcpkg_triplet }}
+
+      - name: Minetest CMake
+        run: |
+          cmake ${{matrix.config.generator}}  `
+          -DCMAKE_TOOLCHAIN_FILE="${{ github.workspace }}\vcpkg\scripts\buildsystems\vcpkg.cmake"  `
+          -DCMAKE_BUILD_TYPE=Release  `
+          -DENABLE_POSTGRESQL=OFF  `
+          -DENABLE_LUAJIT=TRUE  `
+          -DREQUIRE_LUAJIT=TRUE  `
+          -DRUN_IN_PLACE=${{ contains(matrix.type, 'portable') }} .
+
+      - name: Build Minetest
+        run: cmake --build . --config Release
+
+      - name: CPack
+        run: |
+          If ($env:TYPE -eq "installer")
+          {
+            cpack -G WIX -B "$env:GITHUB_WORKSPACE\Package"
+          }
+          ElseIf($env:TYPE -eq "portable")
+          {
+            cpack -G ZIP -B "$env:GITHUB_WORKSPACE\Package"
+          }
+        env:
+          TYPE: ${{matrix.type}}
+
+      - name: Package Clean
+        run: rm -r $env:GITHUB_WORKSPACE\Package\_CPack_Packages
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: msvc-${{ matrix.config.arch }}-${{ matrix.type }}
+          path: .\Package\
+          if-no-files-found: error