Merge branch 'experimental' into dev

src/td/simulation/GameHistory.cpp

@@ -0,0 +1,36 @@
+#include <td/simulation/GameHistory.h>
+
+namespace td {
+namespace game {
+
+GameHistory::GameHistory() : m_History(std::numeric_limits<HistorySizeType>::max()) {}
+
+void GameHistory::SetLockStep(HistorySizeType a_Index, protocol::LockStep&& a_LockStep) {
+	m_History[a_Index] = std::move(a_LockStep);
+}
+
+const protocol::LockStep& GameHistory::GetLockStep(HistorySizeType a_Index) const {
+	return *m_History[a_Index];
+}
+
+bool GameHistory::HasLockStep(HistorySizeType a_Index) const {
+	return m_History[a_Index].has_value();
+}
+
+void GameHistory::FromPacket(protocol::pdata::LockSteps&& a_Steps) {
+	for (int i = 0; i < LOCKSTEP_BUFFER_SIZE; i++) {
+		protocol::LockStep& step = a_Steps.m_LockSteps[i];
+		SetLockStep(i + a_Steps.m_FirstFrameNumber, std::move(step));
+	}
+}
+
+protocol::packets::LockStepsPacket GameHistory::ToPacket(HistorySizeType a_StartIndex) {
+	std::array<protocol::LockStep, LOCKSTEP_BUFFER_SIZE> steps;
+	for (int i = 0; i < LOCKSTEP_BUFFER_SIZE; i++) {
+		steps[i] = GetLockStep(a_StartIndex + i);
+	}
+	return {a_StartIndex, std::move(steps)};
+}
+
+}  // namespace game
+}  // namespace td