docs: add plugin setup guide

plugin/lib/commonlibf4/src/RE/N/NiObjectNET.cpp

@@ -0,0 +1,78 @@
+#include "RE/N/NiObjectNET.h"
+
+#include "RE/N/NiExtraData.h"
+#include "RE/N/NiRTTI.h"
+#include "RE/N/NiTimeController.h"
+
+namespace RE
+{
+	NiObjectNET::NiObjectNET()
+	{
+		REX::EMPLACE_VTABLE(this);
+	}
+
+	NiObjectNET::~NiObjectNET() = default;
+
+	bool NiObjectNET::AddExtraData(const BSFixedString& a_key, NiExtraData* a_extra)
+	{
+		if (a_key.empty())
+			return false;
+
+		if (!a_extra)
+			return false;
+
+		if (!a_extra->GetName().empty())
+			a_extra->SetName(a_key);
+		else if (a_key != a_extra->GetName())
+			return false;
+
+		return InsertExtraData(a_extra);
+	}
+
+	bool NiObjectNET::AddExtraData(NiExtraData* a_extra)
+	{
+		if (!a_extra)
+			return false;
+
+		const auto& extraName = a_extra->GetName();
+		if (extraName.empty()) {
+			// TODO: Game handles nameless ExtraData by using the rtti name and a suffix?
+			assert(false);
+		}
+
+		return InsertExtraData(a_extra);
+	}
+
+	NiExtraData* NiObjectNET::GetExtraData(const BSFixedString& a_key) const
+	{
+		return extra ? extra->FindExtra(a_key) : nullptr;
+	}
+
+	std::uint16_t NiObjectNET::GetExtraDataSize() const
+	{
+		return extra ? static_cast<std::uint16_t>(extra->GetSize()) : 0;
+	}
+
+	bool NiObjectNET::HasExtraData(const BSFixedString& a_key) const
+	{
+		return extra ? extra->FindExtra(a_key) : false;
+	}
+
+	bool NiObjectNET::InsertExtraData(NiExtraData* a_extra)
+	{
+		if (extra) {
+			extra->Add(a_extra);
+			return true;
+		}
+
+		return false;
+	}
+
+	bool NiObjectNET::RemoveExtraData(const BSFixedString& a_key)
+	{
+		if (a_key.empty())
+			return false;
+
+		return extra && extra->RemoveExtra(a_key);
+	}
+}