#!/usr/bin/env bash
# 在 macOS 上用 MinGW-w64 交叉编译 oracle.exe（链泄露 SDK 的 granny2_x64.lib），
# 用 Wine 跑。见 RUNBOOK.md。实测 macOS 26.4 / Apple Silicon / wine-stable 11.0 / Granny 2.9.12.
set -euo pipefail
cd "$(dirname "$0")"

SDK="${GRANNY_SDK:-../../MobileSource/Cross Platform/Granny-3D-SDK-main}"
[ -f "$SDK/include/granny.h" ] || { echo "找不到 $SDK/include/granny.h（传 GRANNY_SDK=<SDK 根>）"; exit 1; }

CC="${MINGW_CC:-x86_64-w64-mingw32-gcc}"
command -v "$CC" >/dev/null || { echo "没装 MinGW：brew install mingw-w64"; exit 1; }

# 关键：granny.h 在 _WIN64 分支里 `#define GRANNY_64BIT_TYPE __int64`，
# MinGW GCC 默认不认 __int64 关键字 → 用 -D__int64="long long" 顶掉。
"$CC" -O2 -std=gnu11 -fms-extensions -D'__int64=long long' \
    -I "$SDK/include" \
    oracle.c "$SDK/lib/win64/granny2_x64.lib" \
    -o oracle.exe

cp "$SDK/lib/win64/granny2_x64.dll" ./
echo "built: $(pwd)/oracle.exe  (+ granny2_x64.dll)"
echo
echo "跑（Wine）："
echo "  export WINEPREFIX=\$HOME/.wine-oracle   # ⚠ 别放 /tmp：Wine 拒绝在非属主目录建 prefix"
echo "  wine wineboot --init                    # 首次，Rosetta 下较慢"
echo "  wine oracle.exe probe 'Z:\\path\\to\\warrior_cheongrin.gr2'"
echo "  wine oracle.exe dump  'Z:\\...\\model.gr2' 'Z:\\...\\anim.gr2' <t> -o 'Z:\\...\\out.bin' --mesh N"
echo
echo "对拍：build/tools/oracle_diff <model.gr2> <anim.gr2|-> <out.bin> --mesh N"