serversimulation

src/td/simulation/ServerSimulation.cpp

@@ -0,0 +1,36 @@
+#include <td/simulation/ServerSimulation.h>
+
+namespace td {
+namespace sim {
+
+ServerSimulation::ServerSimulation(game::World& a_World, std::uint64_t a_StepTime) :
+	m_World(a_World), m_StepTime(a_StepTime), m_CurrentTime(0) {}
+
+protocol::packets::LockStepsPacket ServerSimulation::Update() {
+	std::lock_guard<std::mutex> lock(m_Mutex);
+	
+	m_World.Tick(m_History[m_CurrentTime], FpFloat(m_StepTime) / FpFloat(1000));
+	m_CurrentTime++;
+
+	std::array<protocol::LockStep, LOCKSTEP_BUFFER_SIZE> nextSteps;
+	std::copy(m_History.begin() + m_CurrentTime, m_History.begin() + m_CurrentTime + nextSteps.size(), nextSteps.begin());
+	return {m_CurrentTime, std::move(nextSteps)};
+}
+
+template<typename T>
+void AddToCommandHistory(protocol::LockStep& a_LockStep, const T& a_Cmd) {
+	a_LockStep.push_back({std::make_shared<T>(a_Cmd)});
+}
+
+void ServerSimulation::Handle(const protocol::commands::SpawnTroopCommand& a_SpawnTroop) {
+	std::lock_guard<std::mutex> lock(m_Mutex);
+	AddToCommandHistory(m_History[m_CurrentTime + LOCKSTEP_BUFFER_SIZE], a_SpawnTroop);
+}
+
+void ServerSimulation::Handle(const protocol::commands::PlaceTowerCommand& a_PlaceTower) {
+	std::lock_guard<std::mutex> lock(m_Mutex);
+	AddToCommandHistory(m_History[m_CurrentTime + LOCKSTEP_BUFFER_SIZE], a_PlaceTower);
+}
+
+}  // namespace sim
+}  // namespace td