too many things

include/td/simulation/RealTimeSimulation.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <td/game/World.h>
+
+namespace td {
+namespace sim {
+
+using GameHistory = std::vector<td::protocol::LockStep>;
+
+class RealTimeSimulation {
+  private:
+	std::uint64_t m_StepTime;
+	game::World& m_World;
+	GameHistory m_History;
+	std::uint64_t m_CurrentTime;
+	std::uint64_t m_LastTime;
+	std::size_t m_CurrentStep;
+
+  public:
+	RealTimeSimulation(game::World& a_World, GameHistory&& a_History, std::uint64_t a_StepTime);
+
+	void Update();
+};
+
+}  // namespace sim
+}  // namespace td