update the pipeline for new github changes

Author: segrax

.github/workflows/windows-build.yml

@@ -28,6 +28,57 @@ jobs:
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
+      - name: Select Visual Studio generator
+        id: vs_generator
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = "Stop"
+
+          $vswhere = Join-Path ${env:ProgramFiles(x86)} "Microsoft Visual Studio\Installer\vswhere.exe"
+          $vsInstances = & $vswhere -latest -products * -format json | ConvertFrom-Json
+          $vsInstance = @($vsInstances)[0]
+          if ($null -eq $vsInstance) {
+            Write-Error "No Visual Studio installation was found."
+            exit 1
+          }
+
+          $vsVersion = [string]$vsInstance.installationVersion
+          if ([string]::IsNullOrWhiteSpace($vsVersion)) {
+            Write-Error "Visual Studio installation did not report a version."
+            exit 1
+          }
+
+          $vcToolsVersionFile = Join-Path $vsInstance.installationPath "VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"
+          if (-not (Test-Path $vcToolsVersionFile)) {
+            Write-Error "Visual Studio was found, but C++ tools were not found at $vcToolsVersionFile."
+            exit 1
+          }
+
+          $major = [int]($vsVersion.Split(".")[0])
+          if ($major -ge 18) {
+            $generator = "Visual Studio 18 2026"
+          } elseif ($major -eq 17) {
+            $generator = "Visual Studio 17 2022"
+          } else {
+            Write-Error "Unsupported Visual Studio version: $vsVersion"
+            exit 1
+          }
+
+          $cmake = Get-Command cmake -ErrorAction SilentlyContinue
+          if ($null -eq $cmake) {
+            Write-Error "CMake was not found on PATH."
+            exit 1
+          }
+
+          $cmakeHelp = & $cmake.Source --help | Out-String
+          if (-not $cmakeHelp.Contains($generator)) {
+            Write-Error "The installed CMake does not support the '$generator' generator."
+            exit 1
+          }
+
+          "cmake_generator=$generator" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
+          "vs_major=$major" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
+          Write-Host "Using CMake generator: $generator"
       - name: Cache vcpkg
         uses: actions/cache@v4
         with:
@@ -37,7 +88,7 @@ jobs:
             C:\vcpkg\buildtrees
             C:\vcpkg\packages
             C:\vcpkg\binarycache
-          key: ${{ runner.os }}-${{ matrix.arch }}-vcpkg-${{ hashFiles('vcpkg.json', 'vcpkg-configuration.json') }}
+          key: ${{ runner.os }}-${{ matrix.arch }}-vs${{ steps.vs_generator.outputs.vs_major }}-vcpkg-${{ hashFiles('vcpkg.json', 'vcpkg-configuration.json') }}
       - name: Install FFmpeg (vcpkg)
         shell: pwsh
         run: |
@@ -54,9 +105,9 @@ jobs:
         uses: actions/cache@v4
         with:
           path: Projects/VS/_deps
-          key: ${{ runner.os }}-${{ matrix.arch }}-cmake-deps-${{ hashFiles('CMakeLists.txt') }}
+          key: ${{ runner.os }}-${{ matrix.arch }}-vs${{ steps.vs_generator.outputs.vs_major }}-cmake-deps-${{ hashFiles('CMakeLists.txt') }}
       - name: Configure
-        run: cmake -S . -B Projects/VS -G "Visual Studio 17 2022" -A ${{ matrix.cmake_platform }} ${{ matrix.cmake_extra_args }} -DOPENFODDER_ENABLE_FFMPEG=ON -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake -DVCPKG_TARGET_TRIPLET=${{ matrix.vcpkg_triplet }}
+        run: cmake -S . -B Projects/VS -G "${{ steps.vs_generator.outputs.cmake_generator }}" -A ${{ matrix.cmake_platform }} ${{ matrix.cmake_extra_args }} -DOPENFODDER_ENABLE_FFMPEG=ON -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake -DVCPKG_TARGET_TRIPLET=${{ matrix.vcpkg_triplet }}
       - name: Build
         run: cmake --build Projects/VS --config ${{ matrix.configuration }}
       - name: Test