begin serversimulation

include/td/simulation/ServerSimulation.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <td/game/World.h>
+
+namespace td {
+namespace sim {
+
+// TODO: OnEnd signal
+class ServerSimulation {
+  private:
+	game::World& m_World;
+	std::uint64_t m_StepTime;
+	std::uint64_t m_CurrentTime;
+
+  public:
+	ServerSimulation(game::World& a_World, std::uint64_t a_StepTime);
+
+	void Update();
+};
+
+}  // namespace sim
+}  // namespace td