#!/usr/bin/env bash
# Compila o Fifteen (joyrider3774, a partir do 2048 de Carra; 3-Clause BSD) para o Vircon32, do repositorio do autor
# (github.com/joyrider3774/fifteen_vircon32, commit 84cb48c) com a toolchain oficial pinada (Builds/vircon32/).
# Mudanca nossa: a musica da partida ("Chill Air", de Frank Nora, dada como dominio publico sem licenca verificavel)
# sai do cartucho e do fonte hospedado; a partida toca a musica do titulo, do proprio autor (projeto LMMS no repo).
# Dois builds seguidos; os dois .v32 precisam ter o mesmo SHA-256.
#   src/FredGames.Bundler/Builds/vircon32/install-toolchain.sh   # uma vez
#   src/FredGames.Bundler/Builds/build-fifteen-vircon32.sh
# Saida: artifacts/build/fifteen-vircon32/fifteen-vircon32-84cb48c.v32 e fifteen-vircon32-84cb48c-src.tar.gz
set -euo pipefail
here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
. "$here/vircon32/env.sh"
[ -x "$V32_TOOLS/compile" ] || "$here/vircon32/install-toolchain.sh"
SLUG=fifteen-vircon32
SRC_URL=https://github.com/joyrider3774/fifteen_vircon32/archive/84cb48c631f095d0b24d0a381751484ce62c99fa.tar.gz
SRC_SHA256=db2a637f1ff56518ef23e76bb05fd92374c32b64ef1a167454303444ee6a2b11
OUT_NAME=fifteen-vircon32-84cb48c
out="$v32_root/artifacts/build/$SLUG"
tgz="$out/cache/fifteen_vircon32-84cb48c.tar.gz"
mkdir -p "$out/cache"
[ -f "$tgz" ] || curl -fsSL "$SRC_URL" -o "$tgz"
echo "$SRC_SHA256  $tgz" | shasum -a 256 -c - >/dev/null

prepare() { # $1 = pasta
  rm -rf "$1"; mkdir -p "$1/fifteen"
  tar -xzf "$tgz" -C "$1/fifteen" --strip-components 1
  rm -f "$1/fifteen/music/MusicGameplay.wav" "$1/fifteen/music/MusicGameplay.txt"
  sed -i '' 's#music/MusicGameplay.wav -o obj/MusicGameplay.vsnd#music/MusicTitle.wav    -o obj/MusicGameplay.vsnd#' "$1/fifteen/Make.sh"
  grep -q 'music/MusicTitle.wav    -o obj/MusicGameplay.vsnd' "$1/fifteen/Make.sh"
}
for i in 1 2; do
  prepare "$out/tree$i"
  ( cd "$out/tree$i/fifteen" && PATH="$V32_TOOLS:$PATH" bash Make.sh >"$out/build$i.log" 2>&1 ) || { tail -20 "$out/build$i.log" >&2; exit 1; }
done
a="$(shasum -a 256 "$out/tree1/fifteen/bin/Fifteen.v32" | cut -d' ' -f1)"
b="$(shasum -a 256 "$out/tree2/fifteen/bin/Fifteen.v32" | cut -d' ' -f1)"
[ "$a" = "$b" ] || { echo "Dois builds deram ROMs diferentes ($a x $b)" >&2; exit 1; }
cp "$out/tree1/fifteen/bin/Fifteen.v32" "$out/$OUT_NAME.v32"
prepare "$out/srctree"
files=(); while IFS= read -r -d '' f; do files+=("$f"); done < <(cd "$out/srctree" && find fifteen -type f -print0)
python3 -I "$here/sprig-web/pack-source.py" "$out/$OUT_NAME-src.tar.gz" "$out/srctree" "${files[@]}"
rm -rf "$out/tree1" "$out/tree2" "$out/srctree"
echo "$a  $out/$OUT_NAME.v32 (dois builds iguais)"