name: C2V apps

on:
  push:
    paths-ignore:
      - "**.md"
      - "**.yml"
      - "doc/**"
      - "examples/**"
      - "tutorials/**"
  pull_request:
    paths-ignore:
      - "**.md"
      - "**.yml"
      - "doc/**"
      - "examples/**"
      - "tutorials/**"

concurrency:
  group: build-c2v-apps-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

jobs:
  doom-compiles:
    runs-on: ubuntu-20.04
    if: github.event_name != 'push' || github.event.ref == 'refs/heads/master' || github.event.repository.full_name != 'vlang/v'
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v2
      - name: Build V
        run: make && ./v symlink -githubci

      - name: Build C2V
        run: |
          echo "Clone C2V"
          mkdir -p ~/code/
          git clone --depth 1 https://github.com/vlang/c2v ~/code/c2v
          ln -s ~/code/c2v ~/.vmodules/c2v
          v -g ~/.vmodules/c2v/
          ~/.vmodules/c2v/c2v || true

      - name: Install Doom Dependencies
        run: |
          sudo apt-get update -y -qq
          sudo apt-get install libsdl2-dev libsdl2-mixer-dev libsdl2-net-dev libpng-dev libsamplerate0-dev

      - name: Build original Chocolate Doom
        run: |
          git clone --quiet --depth 1 https://github.com/vlang/doom ~/code/doom
          cd ~/code/doom/chocolate-doom
          cmake -DCMAKE_BUILD_TYPE=Debug .
          make chocolate-doom

      - name: Translate the whole game in project/folder mode and compile it
        run: |
          cd ~/code/doom
          touch ~/DOOM1.WAD
          WAD_FILE=~/DOOM1.WAD ~/code/doom/build_whole_project.sh

  doom-regressions:
    runs-on: ubuntu-20.04
    if: github.event_name != 'push' || github.event.ref == 'refs/heads/master' || github.event.repository.full_name != 'vlang/v'
    timeout-minutes: 10
    env:
      VFLAGS: -cc tcc
      DISPLAY: :99
      LIBGL_ALWAYS_SOFTWARE: true
      VTMP: /tmp
    steps:
      - uses: actions/checkout@v2
      - name: Build V
        run: make && ./v symlink -githubci

      - name: Setup dependencies
        run: |
          sudo apt-get update -y -qq

          # c2v / DOOM dependencies
          sudo apt-get install libsdl2-dev libsdl2-mixer-dev libsdl2-net-dev libpng-dev libsamplerate0-dev

          # vgret dependencies
          # imagemagick              : convert, mogrify, import
          # xvfb                     : For starting X11 Virtual FrameBuffers
          # openimageio-tools        : idiff
          # libgl1-mesa-dri          : For headless rendering / software DRI driver (LIBGL_ALWAYS_SOFTWARE=true)
          # freeglut3-dev            : Fixes graphic apps compilation with tcc
          sudo apt-get install imagemagick openimageio-tools freeglut3-dev libgl1-mesa-dri xvfb xsel xclip

          # Fetch the free ~4MB DOOM1.WAD from the link at https://doomwiki.org/wiki/DOOM1.WAD
          wget https://distro.ibiblio.org/slitaz/sources/packages/d/doom1.wad -O ~/doom1.wad

          # Get imgur upload script
          wget https://raw.githubusercontent.com/tremby/imgur.sh/c98345d/imgur.sh
          chmod +x ./imgur.sh

          # Get regression images to test against
          git clone https://github.com/Larpon/doom-regression-images

      - name: Build C2V
        run: |
          echo "Clone C2V"
          mkdir -p ~/code/
          git clone --depth 1 https://github.com/vlang/c2v ~/code/c2v
          ln -s ~/code/c2v ~/.vmodules/c2v
          v -g ~/.vmodules/c2v/
          ~/.vmodules/c2v/c2v || true

      - name: Build original Chocolate Doom
        run: |
          git clone --quiet --depth 1 https://github.com/vlang/doom ~/code/doom
          cd ~/code/doom/chocolate-doom
          cmake -DCMAKE_BUILD_TYPE=Debug .
          make chocolate-doom

      - name: Translate the whole game in project/folder mode
        run: |
          cd ~/code/doom
          WAD_FILE=~/doom1.wad ~/code/doom/build_whole_project.sh

      - name: Sample and compare with vgret
        id: compare
        continue-on-error: true
        run: |
          Xvfb $DISPLAY -screen 0 800x600x24 -fbdir /var/tmp/ &
          sleep 1; while [ ! -f /var/tmp/Xvfb_screen0 ]; do sleep 0.5; done # give xvfb time to start, even on slow CI runs
          v gret -r ~/code/doom -t ./doom-regression-images/vgret.doom.toml -v ./doom-sample_images ./doom-regression-images

      - name: Upload regression to imgur
        if: steps.compare.outcome != 'success'
        run: |
          ./imgur.sh /tmp/fail.png
          ./imgur.sh /tmp/diff.png
          exit 1