# You need to have ImageMagick and ffmpeg installed (Installer (ffmpeg included): https://www.imagemagick.org/script/download.php#windows - ImageMagick-7.0.8-14-Q16-x64-static.exe)
# Run in "images\Animated CGs"

Get-ChildItem "." -Directory | Sort |
Foreach-Object {
    $name = $_.Name

    if ($name -ne "foreplay_minigame" -and $name -ne "time_transition") {
        # Converts .tga files to .png and fixes the numbering syntax, my intent is to make it easier to work with the individual frames
        # so that we may loop segments in the future. Beware that this will take very long (1 hour+). If you just want to generate the videos from
        # the .tga files just change this block to do a simple rename and tell ffmpeg to use .tga instead of .png
        # You can comment this block out after the 1st run.
        Get-ChildItem "$name\." -File -Filter "*.tga" |
        Foreach-Object {
            $filename = $_.Name
            $newFilename = ([int]($filename).Substring(6).Replace(".tga", "")) # Fixes the broken numbers (leading 0s)

            echo "Converting $name\$filename -> $name\$newFilename.png"

            magick "$name\$filename" "$name\$newFilename.png"
        }

        ffmpeg -framerate 17 -i "$name\%d.png" -preset veryslow -c:v libvpx -b:v 0 -crf 30 -pix_fmt yuv420p "$name.webm"
    }
}