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-rw-r--r--game/vehicles/linkHistory.cpp19
1 files changed, 14 insertions, 5 deletions
diff --git a/game/vehicles/linkHistory.cpp b/game/vehicles/linkHistory.cpp
index 45aa0a8..77840ed 100644
--- a/game/vehicles/linkHistory.cpp
+++ b/game/vehicles/linkHistory.cpp
@@ -1,18 +1,27 @@
#include "linkHistory.h"
#include "game/network/link.h"
#include <memory>
+#include <optional>
LinkHistory::Entry
LinkHistory::add(const Link::WPtr & l, unsigned char d)
{
+ constexpr auto HISTORY_KEEP_LENGTH = 500'000.F;
+ while (const auto newLength = [this]() -> std::optional<decltype(totalLen)> {
+ if (!links.empty()) {
+ const auto newLength = totalLen - links.back().first.lock()->length;
+ if (newLength >= HISTORY_KEEP_LENGTH) {
+ return newLength;
+ }
+ }
+ return std::nullopt;
+ }()) {
+ totalLen = newLength.value();
+ links.pop_back();
+ }
links.insert(links.begin(), {l, d});
const auto lp = l.lock();
totalLen += lp->length;
- constexpr auto HISTORY_KEEP_LENGTH = 1'000'000.F;
- while (totalLen >= HISTORY_KEEP_LENGTH && !links.empty()) {
- totalLen -= links.back().first.lock()->length;
- links.pop_back();
- }
return {lp, d};
}