# Shared by build-hack.sh, build-robots.sh and build-atc.sh (the games of the BSD games collection).
# Fonte: o bsdgames_2.17.orig.tar.gz do Debian (bsd-games 2.17, a colecao do NetBSD/Linux: Hack, Robots e
# Atc, entre outros), conferido pelo SHA-256 e guardado em artifacts/cache/bsdgames/.
#
# Copyright (C) 2026 FredyGames. Distributed under the MIT License (see curses-web/LICENSE).
BSDGAMES_VERSION=2.17
BSDGAMES_SHA256=066f924aef6c1c5ea946f588e36f303021f5dfc093944738f025d8edbc6fff60
BSDGAMES_URL=https://deb.debian.org/debian/pool/main/b/bsdgames/bsdgames_2.17.orig.tar.gz
EMSCRIPTEN=6.0.10

bsdgames_init() { # <script dir> -> sets here, root, cache, tarball
  here="$(cd "$1" && pwd)"
  root="$(git -C "$here" rev-parse --show-toplevel 2>/dev/null || pwd)"
  cache="$root/artifacts/cache/bsdgames"
  tarball="$cache/bsdgames_$BSDGAMES_VERSION.orig.tar.gz"
  if ! emcc --version 2>/dev/null | head -1 | grep -q " $EMSCRIPTEN "; then
    echo "Precisa do Emscripten $EMSCRIPTEN no PATH (source <emsdk>/emsdk_env.sh)." >&2
    exit 1
  fi
  if [ ! -f "$tarball" ]; then
    mkdir -p "$cache"
    curl -fsSL -o "$tarball.part" "$BSDGAMES_URL"
    mv "$tarball.part" "$tarball"
  fi
  echo "$BSDGAMES_SHA256  $tarball" | shasum -a 256 -c - >&2
}