chore: forgot to commit those

Author: OctoD

src/attribute_buff.cpp

@@ -316,7 +316,7 @@ void AttributeBuffContext::merge()
 	const Dictionary &diff = get_diff();
 	PackedStringArray affected_attributes = diff.keys();
 
-	for (int i = 0; i < affected_attributes.size(); i++) {
+	for (int64_t i = 0; i < affected_attributes.size(); i++) {
 		const String &attribute_name = affected_attributes[i];
 		const Ref<AttributeDiff> attribute_diff = diff[attribute_name];
 		const Ref<RuntimeAttribute> runtime_attribute = attribute_container->get_runtime_attribute_by_name(attribute_name);

src/attribute_buff.h

@@ -23,13 +23,17 @@ namespace octod::gameplay::attributes
 	class AttributeOperation;
 	class RuntimeAttribute;
 
-	class AttributeDiff : public RefCounted
+	class AttributeDiff final : public RefCounted
 	{
 		GDCLASS(AttributeDiff, RefCounted)
 
 	public:
 		String attribute_name;
 
+		double remaining_duration = 0.0;
+
+		bool time_based = false;
+
 		[[nodiscard]] bool did_change() const;
 
 		[[nodiscard]] float get_buff() const;