Implement playable Mac client and rendering validation

build-macos-client.sh

@@ -10,10 +10,21 @@ set -euo pipefail
 cd "$(dirname "$0")"
 REPO="$(pwd)"
 CFG="${1:-debug}"
-OUT="$REPO/build/export"
+OUT="${MT_MAC_OUTPUT_DIR:-$REPO/build/export}"
 APP="$OUT/mtgodot-poc.app"
 GODOT="${GODOT:-godot}"
 MAC_ARCHES="${MT_MAC_ARCHES:-universal}"
+ENGINE_OVERRIDE="${MT_MAC_ENGINE:-}"
+if [ -n "$ENGINE_OVERRIDE" ]; then
+  test -x "$ENGINE_OVERRIDE"
+  ENGINE_INFO="$(lipo -info "$ENGINE_OVERRIDE")"
+  case "$MAC_ARCHES:$ENGINE_INFO" in
+    universal:*x86_64*arm64*|universal:*arm64*x86_64*|arm64:*arm64*|x86_64:*x86_64*) ;;
+    *) echo "错误：自定义引擎架构不匹配：$ENGINE_INFO" >&2; exit 1 ;;
+  esac
+  echo "自定义引擎：$ENGINE_OVERRIDE"
+  "$ENGINE_OVERRIDE" --version
+fi
 BUILD_TYPE="Debug"
 if [ "$CFG" = release ]; then
   BUILD_TYPE="Release"
@@ -55,6 +66,9 @@ ditto "$REPO/bgm" "$APP/Contents/Resources/bgm"
 test -f "$APP/Contents/Resources/assets/asset_index.txt"
 
 echo "== 4. 签名（默认 ad-hoc；CODESIGN_IDENTITY 可切正式证书）=="
+if [ -n "$ENGINE_OVERRIDE" ]; then
+  cp "$ENGINE_OVERRIDE" "$APP/Contents/MacOS/mtgodot-poc"
+fi
 CODESIGN_IDENTITY="${CODESIGN_IDENTITY:--}"
 ENTITLEMENTS="$REPO/macos.entitlements"
 test -f "$ENTITLEMENTS"