class Simutrans < Formula
  desc "Transport simulator"
  homepage "https://www.simutrans.com/"
  url "https://downloads.sourceforge.net/project/simutrans/simutrans/120-3/simutrans-src-120-3.zip"
  version "120.3"
  sha256 "6f68785798688bf956b0d7f5971a8d8fa42d12199011665b07b903164cb3929f"
  head "https://github.com/aburch/simutrans.git"

  bottle do
    cellar :any
    sha256 "5a907f0eb27745f123e0605d5f8949ab2e11f67f00f0fba0e6c956227c77e1c4" => :high_sierra
    sha256 "bed263f91db1565b569ed74dceab5eba88f904ccebf25459b35b534252556fc2" => :sierra
    sha256 "ee6fb59f8452c16a57b13b55d7cf2a0954e1362259e4ecc9669610e0c403ae79" => :el_capitan
  end

  depends_on :macos => :lion
  depends_on "libpng"
  depends_on "sdl2"

  resource "pak64" do
    url "https://downloads.sourceforge.net/project/simutrans/pak64/120-3/simupak64-120-3.zip"
    sha256 "332ff947fdddf99e0c9b67d857b1ffd02c91dfea1edc98f4195ec1f1309060f5"
  end

  resource "text" do
    url "https://simutrans-germany.com/translator/data/tab/language_pack-Base+texts.zip"
    sha256 "9c125325e14c6f19a5f6712be7267754e171565a5f49a185ed0b0edea774be0a"
  end

  def install
    args = %w[
      BACKEND=sdl2
      COLOUR_DEPTH=16
      OSTYPE=mac
    ]
    args << "AV_FOUNDATION=1" if MacOS.version >= :sierra
    system "make", *args
    libexec.install "build/default/sim" => "simutrans"
    libexec.install Dir["simutrans/*"]
    bin.write_exec_script libexec/"simutrans"

    libexec.install resource("pak64")
    (libexec/"text").install resource("text")

    system "make", "makeobj", *args
    bin.install "build/default/makeobj/makeobj"
  end

  test do
    system "#{bin}/simutrans", "--help"
  end
end