fix: fix unload crash #300

Author: xiaoqch

src/legacy/engine/EngineOwnData.h

@@ -85,6 +85,13 @@ struct EngineOwnData {
         return index;
     }
     inline bool removeUnloadCallback(int pIndex) { return unloadCallbacks.erase(pIndex); }
+
+    static void clearEngineObjects(ScriptEngine* engine) {
+        EngineScope scope(engine);
+        auto        data = std::static_pointer_cast<EngineOwnData>(engine->getData());
+        data->playerDataDB.clear();
+        // LLSERemoveAllExportedFuncs(engine);
+    }
 };
 
 // Engine additional data

src/lse/PluginManager.cpp

@@ -235,7 +235,7 @@ ll::Expected<> PluginManager::load(ll::mod::Manifest manifest) {
             LLSERemoveCmdCallback(scriptEngine);
             LLSERemoveAllExportedFuncs(scriptEngine);
 
-            scriptEngine->getData().reset();
+            EngineOwnData::clearEngineObjects(scriptEngine);
             EngineManager::unregisterEngine(scriptEngine);
 #ifdef LEGACY_SCRIPT_ENGINE_BACKEND_NODEJS
             NodeJsHelper::stopEngine(scriptEngine);
@@ -268,8 +268,8 @@ ll::Expected<> PluginManager::unload(std::string_view name) {
         LLSERemoveCmdCallback(scriptEngine);
         LLSERemoveAllExportedFuncs(scriptEngine);
 
+        EngineOwnData::clearEngineObjects(scriptEngine);
         EngineManager::unregisterEngine(scriptEngine);
-        scriptEngine->getData().reset();
 
         if (auto plugin = std::static_pointer_cast<Plugin>(getMod(name))) {
             plugin->onUnload();