Add support for saving/loading string-based attributes (#59)

addons/GME/Scripts/Game/GME/Editor/Containers/AttributeVariables/SCR_BaseEditorAttributeVar.c

@@ -1,4 +1,5 @@
 //------------------------------------------------------------------------------------------------
+//! Add support for string-based attributes
 modded class SCR_BaseEditorAttributeVar
 {
 	protected string m_sGME_Value;

addons/GME/Scripts/Game/GME/Editor/Containers/Backend/SCR_EditorAttributeStruct.c

@@ -0,0 +1,43 @@
+//------------------------------------------------------------------------------------------------
+//! Saved data for editor attribute.
+//! Add support for string-based attributes
+modded class SCR_EditorAttributeStruct: JsonApiStruct
+{
+	//--- Serialized (names shortened to save memory)
+	protected string GME_v0;
+
+	//------------------------------------------------------------------------------------------------
+	void SCR_EditorAttributeStruct()
+	{
+		RegV("GME_v0");
+	}
+
+	//------------------------------------------------------------------------------------------------
+	override static void SerializeAttributes(out notnull array<ref SCR_EditorAttributeStruct> outEntries, SCR_EditorAttributeList attributeList = null, Managed item = null)
+	{
+		super.SerializeAttributes(outEntries, attributeList, item);
+
+		foreach (SCR_EditorAttributeStruct entry : outEntries)
+		{
+			SCR_BaseEditorAttribute attribute = attributeList.GetAttribute(entry.id);
+			SCR_BaseEditorAttributeVar var = attribute.ReadVariable(item, null);
+			entry.GME_v0 = var.GME_GetString();
+		}
+	}
+
+	//------------------------------------------------------------------------------------------------
+	override static void DeserializeAttributes(notnull array<ref SCR_EditorAttributeStruct> entries, SCR_EditorAttributeList attributeList = null, Managed item = null)
+	{
+		super.DeserializeAttributes(entries, attributeList, item);
+
+		foreach (SCR_EditorAttributeStruct entry: entries)
+		{
+			if (entry.GME_v0.IsEmpty())
+				continue;
+
+			SCR_BaseEditorAttribute attribute = attributeList.GetAttribute(entry.id);
+			SCR_BaseEditorAttributeVar var = SCR_BaseEditorAttributeVar.GME_CreateString(entry.GME_v0);
+			attribute.WriteVariable(item, var, null, -1);
+		}
+	}
+}