better example

include/examples/UpgradeTowerPacket.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <sp/default/DefaultPacket.h>
+#include <sp/protocol/Field.h>
+#include <sp/protocol/MessageBase.h>
+
+enum UpgradeTowerPacketFields {
+	m_Tower = 0,
+	m_Upgrade,
+};
+
+using UpgradeTowerFields = std::tuple<
+	sp::BitField<std::uint16_t, 
+		sp::Field<std::uint16_t, 12>,  		//<- m_Tower
+		sp::Field<std::uint8_t, 4>			//<- m_Upgrade
+		>
+	>;
+
+DeclarePacket(UpgradeTower){
+  public: 
+	PacketConstructor(UpgradeTower)
+
+	std::uint16_t GetTowerId() const {
+		return GetField<0>().GetField<m_Tower>();
+	}
+
+	std::uint8_t GetTowerUpgrade() const {
+		return GetField<0>().GetField<m_Upgrade>();
+	}
+};