name: Build

on:
  push:
    branches: [ master ]

env:
  CCACHE_VERSION: 4.12.1
  CCACHE_MAXSIZE: 500Mi
  # see https://ccache.dev/manual/latest.html#_precompiled_headers
  CCACHE_SLOPPINESS: pch_defines,time_macros,include_file_mtime,include_file_ctime

jobs:

  windows:
    runs-on: windows-latest
    env:
      # needed on Windows because wiRenderer conditionally includes wiShaderDump.h
      # and only our CMake config has a workaround for it
      CCACHE_NODIRECT: 1
    steps:
    - uses: actions/checkout@v4

    - uses: microsoft/setup-msbuild@v2
      with:
        msbuild-architecture: x64

    - name: Restore Ccache database
      id: restore-ccache
      uses: actions/cache/restore@v4
      with:
        path: C:\Users\runneradmin\AppData\Local\ccache
        key: ccache-win-${{ github.run_id }}
        restore-keys: ccache-win-

    - name: Install Ccache
      run: |
        curl -sOSL https://github.com/ccache/ccache/releases/download/v$Env:CCACHE_VERSION/ccache-$Env:CCACHE_VERSION-windows-x86_64.zip
        unzip -qj ccache-$Env:CCACHE_VERSION-windows-x86_64.zip ccache-$Env:CCACHE_VERSION-windows-x86_64/ccache.exe
        mv ccache.exe cl.exe
        mv .github/workflows/Directory.Build.props.ghbuild Directory.Build.props

    - name: Initial compile
      shell: cmd
      run: |
        MSBuild WickedEngine.sln /t:OfflineShaderCompiler /m /p:Configuration=Release /p:Platform=x64

    - name: Generate shader dump
      shell: cmd
      run: |
        cd "WickedEngine"
        "../BUILD/x64/Release/OfflineShaderCompiler/OfflineShaderCompiler.exe" hlsl6 spirv shaderdump strip_reflection

    - name: Recompile with shader dump
      shell: cmd
      run: |
        MSBuild WickedEngine.sln /t:clean /m /p:Configuration=Release /p:Platform=x64
        MSBuild WickedEngine.sln /t:Editor_Windows /m /p:Configuration=Release /p:Platform=x64

    - name: Save Ccache database
      id: save-ccache
      if: always() && steps.restore-ccache.cache-hit != 'true'
      uses: actions/cache/save@v4
      with:
        path: C:\Users\runneradmin\AppData\Local\ccache
        key: ${{ steps.restore-ccache.outputs.cache-primary-key }}

    - name: Move files
      shell: cmd
      run: |
        move BUILD\x64\Release\Editor_Windows\Editor_Windows.exe .\
        move Editor\config.ini .\
        move Editor\startup.lua .\
        move Editor\languages .\
        move Editor\fonts .\

    - name: Package Editor
      uses: actions/upload-artifact@v4
      with:
        name: Editor (Windows)
        path: |
          languages/
          fonts/
          config.ini
          startup.lua
          Editor_Windows.exe


  linux:
    runs-on: ubuntu-latest
    name: linux (${{ matrix.cc }})
    strategy:
      fail-fast: false
      matrix:
        include:
        - cc: gcc
          cxx: g++
          package_bins: true
        - cc: clang
          cxx: clang++
          package_bins: false

    steps:
    - uses: actions/checkout@v4

    - name: Restore Ccache database
      id: restore-ccache
      uses: actions/cache/restore@v4
      with:
        path: ~/.cache/ccache
        key: ccache-${{ matrix.cc }}-${{ github.run_id }}
        restore-keys: ccache-${{ matrix.cc }}-

    - name: Install dependencies
      run: |
        sudo apt update
        sudo apt install libsdl2-dev ccache

    - name: Compile with embedded shaders
      run: |
        CC=${{ matrix.cc }} CXX=${{ matrix.cxx }} cmake -B build -DWICKED_ENABLE_IPO=NO -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DWICKED_EMBED_SHADERS=YES
        make -C build -j$(nproc)

    - name: Save Ccache database
      id: save-ccache
      if: always() && steps.restore-ccache.cache-hit != 'true'
      uses: actions/cache/save@v4
      with:
        path: ~/.cache/ccache
        key: ${{ steps.restore-ccache.outputs.cache-primary-key }}

    - name: Move files
      if: matrix.package_bins
      run: |
        mv build/Editor/Editor ./Editor_Linux
        mv Editor/config.ini ./
        mv Editor/startup.lua ./
        mv Editor/fonts ./

    - name: Package Editor
      if: matrix.package_bins
      uses: actions/upload-artifact@v4
      with:
        name: Editor (Linux)
        path: |
          fonts/
          config.ini
          startup.lua
          Editor_Linux

  macos:
    runs-on: macos-latest
    steps:
    - uses: actions/checkout@v4

    - name: Compile Offlineshadercompiler
      run: |
        xcodebuild clean build -project WickedEngine/offlineshadercompiler.xcodeproj -scheme offlineshadercompiler -configuration Release

    - name: Generate shader dump
      run: |
        BUILD_PATH="$(xcodebuild -project WickedEngine/offlineshadercompiler.xcodeproj -scheme offlineshadercompiler -configuration Release -showBuildSettings | grep -m 1 "BUILT_PRODUCTS_DIR" | awk -F' = ' '{print $2}')"
        cd WickedEngine
        "${BUILD_PATH}/offlineshadercompiler" metal rebuild shaderdump
        cd ..

    - name: Build Editor
      run: |
        xcodebuild clean build -project Editor/Editor.xcodeproj -scheme Editor -configuration Release

    - name: Move files
      run: |
        BUILD_PATH="$(xcodebuild -project Editor/Editor.xcodeproj -scheme Editor -configuration Release -showBuildSettings | grep -m 1 "BUILT_PRODUCTS_DIR" | awk -F' = ' '{print $2}')"
        mv "${BUILD_PATH}/Editor" ./Editor_MacOS
        mv Editor/config.ini ./
        mv Editor/startup.lua ./
        mv Editor/languages ./
        mv Editor/fonts ./

    - name: Package Editor
      uses: actions/upload-artifact@v4
      with:
        name: Editor (Mac OS)
        path: |
          languages/
          fonts/
          config.ini
          startup.lua
          Editor_MacOS

  content:
    runs-on: windows-latest
    steps:
    - uses: actions/checkout@v4
    - name: Package Content
      uses: actions/upload-artifact@v4
      with:
        name: Content
        path: |
          Content/Documentation
          Content/models
          Content/scripts
          Content/terrain