Method OnScriptsReloading

Source/Engine/Content/Assets/VisualScript.cpp:1758–1804

#if USE_EDITOR

void VisualScriptingBinaryModule::OnScriptsReloading()
{
    PROFILE_MEM(ScriptingVisual);

    // Clear any cached types from that module across all loaded Visual Scripts
    for (auto& script : Scripts)
    {
        if (!script || !script->IsLoaded())
            continue;
        ScopeLock lock(script->Locker);

        // Clear cached types (underlying base class could be in reloaded C# scripts)
        if (script->_scriptingTypeHandle)
        {
            auto& type = VisualScriptingModule.Types[script->_scriptingTypeHandle.TypeIndex];
            if (type.Script.DefaultInstance)
            {
                Delete(type.Script.DefaultInstance);
                type.Script.DefaultInstance = nullptr;
            }
            VisualScriptingModule.TypeNameToTypeIndex.RemoveValue(script->_scriptingTypeHandle.TypeIndex);
            script->_scriptingTypeHandleCached = script->_scriptingTypeHandle;
            script->_scriptingTypeHandle = ScriptingTypeHandle();
        }

        // Clear methods cache
        for (auto& node : script->Graph.Nodes)
        {
            switch (node.Type)
            {
            // Invoke Method
            case GRAPH_NODE_MAKE_TYPE(16, 4):
            {
                node.Data.InvokeMethod.Method = nullptr;
                break;
            }
            // Get/Set Field
            case GRAPH_NODE_MAKE_TYPE(16, 7):
            case GRAPH_NODE_MAKE_TYPE(16, 8):
            {
                node.Data.GetSetField.Field = nullptr;
                break;
            }
            }
        }
    }
}

#endif