name: CI

on:
  pull_request:
  push:
    branches:
    - master

env:
  CTEST_OUTPUT_ON_FAILURE: 1

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

jobs:
  emscripten:
    name: Emscripten

    runs-on: ubuntu-20.04
    container:
      # If you change this version, change the number in the cache step too.
      image: emscripten/emsdk:3.1.42

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup cache
      uses: actions/cache@v4
      with:
        path: /emsdk/upstream/emscripten/cache
        key: 3.1.42-${{ runner.os }}

    - name: Patch Emscripten to support LZMA
      run: |
        cd /emsdk/upstream/emscripten
        patch -p1 < ${GITHUB_WORKSPACE}/os/emscripten/emsdk-liblzma.patch

    - name: Build (host tools)
      run: |
        mkdir build-host
        cd build-host

        echo "::group::CMake"
        cmake .. -DOPTION_TOOLS_ONLY=ON
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(nproc) cores"
        cmake --build . -j $(nproc) --target tools
        echo "::endgroup::"

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        emcmake cmake .. -DHOST_BINARY_DIR=../build-host
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(nproc) cores"
        cmake --build . -j $(nproc) --target openttd
        echo "::endgroup::"

  linux:
    strategy:
      fail-fast: false
      matrix:
        include:
        - name: Clang - Debug
          compiler: clang-15
          cxxcompiler: clang++-15
          libraries: libsdl2-dev
        - name: Clang - Release
          compiler: clang-15
          cxxcompiler: clang++-15
          libraries: libsdl2-dev
          extra-cmake-parameters: -DCMAKE_BUILD_TYPE=RelWithDebInfo -DOPTION_USE_ASSERTS=OFF
        - name: GCC - SDL2
          compiler: gcc
          cxxcompiler: g++
          libraries: libsdl2-dev
        - name: GCC - SDL1.2
          compiler: gcc
          cxxcompiler: g++
          libraries: libsdl1.2-dev
        - name: GCC - Dedicated
          compiler: gcc
          cxxcompiler: g++
          libraries: grfcodec
          extra-cmake-parameters: -DOPTION_DEDICATED=ON -DCMAKE_CXX_FLAGS_INIT="-DRANDOM_DEBUG" -DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
          # Compile without SDL / SDL2, as that should compile fine too.

    name: Linux (${{ matrix.name }})

    runs-on: ubuntu-latest
    env:
      CC: ${{ matrix.compiler }}
      CXX: ${{ matrix.cxxcompiler }}

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup vcpkg caching
      uses: actions/github-script@v7
      with:
        script: |
          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')

    - name: Install dependencies
      run: |
        echo "::group::Update apt"
        sudo apt-get update
        echo "::endgroup::"

        echo "::group::Install dependencies"
        sudo apt-get install -y --no-install-recommends \
          liballegro4-dev \
          libcurl4-openssl-dev \
          libfontconfig-dev \
          libharfbuzz-dev \
          libicu-dev \
          liblzma-dev \
          liblzo2-dev \
          ${{ matrix.libraries }} \
          zlib1g-dev \
          # EOF

        echo "::group::Install vcpkg dependencies"

        # Disable vcpkg integration, as we mostly use system libraries.
        mv vcpkg.json vcpkg-disabled.json

        # We only use breakpad from vcpkg, as its CMake files
        # are a bit special. So the Ubuntu's variant doesn't work.
        vcpkg install breakpad

        echo "::endgroup::"
      env:
        DEBIAN_FRONTEND: noninteractive

    - name: Get OpenGFX
      run: |
        mkdir -p ~/.local/share/openttd/baseset
        cd ~/.local/share/openttd/baseset

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        cmake .. -DCMAKE_TOOLCHAIN_FILE=/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake ${{ matrix.extra-cmake-parameters }}
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(nproc) cores"
        cmake --build . -j $(nproc)
        echo "::endgroup::"

    - name: Test
      run: |
        (
          cd build
          ctest -j $(nproc) --timeout 120
        )

        # Re-enable vcpkg.
        mv vcpkg-disabled.json vcpkg.json

        # Check no tracked files have been modified.
        git diff --exit-code

  macos:
    strategy:
      fail-fast: false
      matrix:
        include:
        - arch: x64
          full_arch: x86_64

    name: Mac OS (${{ matrix.arch }})

    runs-on: macos-latest
    env:
      MACOSX_DEPLOYMENT_TARGET: 10.13

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup vcpkg caching
      uses: actions/github-script@v7
      with:
        script: |
          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')

    - name: Install OpenGFX
      run: |
        mkdir -p ~/Documents/OpenTTD/baseset
        cd ~/Documents/OpenTTD/baseset

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        cmake .. \
          -DCMAKE_OSX_ARCHITECTURES=${{ matrix.full_arch }} \
          -DVCPKG_TARGET_TRIPLET=${{ matrix.arch }}-osx \
          -DCMAKE_TOOLCHAIN_FILE=/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake \
          # EOF
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(sysctl -n hw.logicalcpu) cores"
        cmake --build . -j $(sysctl -n hw.logicalcpu)
        echo "::endgroup::"

    - name: Test
      run: |
        cd build
        ctest -j $(sysctl -n hw.logicalcpu) --timeout 120

  windows:
    strategy:
      fail-fast: false
      matrix:
        os: [windows-latest, windows-2019]
        arch: [x86, x64]

    name: Windows (${{ matrix.os }} / ${{ matrix.arch }})

    runs-on: ${{ matrix.os }}

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup vcpkg caching
      uses: actions/github-script@v7
      with:
        script: |
          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
          core.exportVariable('VCPKG_BINARY_SOURCES', 'clear;x-gha,readwrite')

    - name: Install OpenGFX
      shell: bash
      run: |
        mkdir -p "C:/Users/Public/Documents/OpenTTD/baseset"
        cd "C:/Users/Public/Documents/OpenTTD/baseset"

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install MSVC problem matcher
      uses: ammaraskar/msvc-problem-matcher@master

    - name: Configure developer command prompt for ${{ matrix.arch }}
      uses: ilammy/msvc-dev-cmd@v1
      with:
        arch: ${{ matrix.arch }}

    - name: Build
      shell: bash
      env:
        NINJA_STATUS: "[%f/%t -- %e] " # [finished_edges/total_edges -- elapsed_time], default value is "[%f/%t] "
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        cmake .. \
          -GNinja \
          -DVCPKG_TARGET_TRIPLET=${{ matrix.arch }}-windows-static \
          -DCMAKE_TOOLCHAIN_FILE="c:\vcpkg\scripts\buildsystems\vcpkg.cmake" \
          # EOF
        echo "::endgroup::"

        echo "::group::Build"
        cmake --build .
        echo "::endgroup::"

    - name: Test
      shell: bash
      run: |
        cd build
        ctest --timeout 120


  msys2:
    strategy:
      fail-fast: false
      matrix:
        include:
          - msystem: MINGW64
            arch: x86_64
          - msystem: MINGW32
            arch: i686

    name: MinGW (${{ matrix.arch }})

    runs-on: windows-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup MSYS2
      uses: msys2/setup-msys2@v2
      with:
        msystem: ${{ matrix.msystem }}
        release: false
        install: >-
          git
          make
          mingw-w64-${{ matrix.arch }}-cmake
          mingw-w64-${{ matrix.arch }}-gcc
          mingw-w64-${{ matrix.arch }}-lzo2
          mingw-w64-${{ matrix.arch }}-libpng
          mingw-w64-${{ matrix.arch }}-lld
          mingw-w64-${{ matrix.arch }}-ninja

    - name: Install OpenGFX
      shell: bash
      run: |
        mkdir -p "C:/Users/Public/Documents/OpenTTD/baseset"
        cd "C:/Users/Public/Documents/OpenTTD/baseset"

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      shell: msys2 {0}
      env:
        NINJA_STATUS: "[%f/%t -- %e] " # [finished_edges/total_edges -- elapsed_time], default value is "[%f/%t] "
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        cmake .. \
          -GNinja \
          -DCMAKE_CXX_FLAGS="-fuse-ld=lld" \
          # EOF
        echo "::endgroup::"

        echo "::group::Build"
        cmake --build .
        echo "::endgroup::"

    - name: Test
      shell: msys2 {0}
      run: |
        cd build
        ctest --timeout 120

  check_annotations:
    name: Check Annotations
    needs:
    - emscripten
    - linux
    - macos
    - windows
    - msys2

    if: always() && github.event_name == 'pull_request'

    runs-on: ubuntu-latest

    steps:
    - name: Check annotations
      uses: OpenTTD/actions/annotation-check@v5