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Fix: reduce framerate overhead on train ticks

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Tick() is a noop for all but front-engine / crashed vehicles. Starting a framerate is rather cheap, but not free, and introduces a lot of overhead for such close loops.
This commit is contained in:
Bouke Haarsma
2022-09-27 17:34:55 +02:00
committed by Michael Lutz
parent f4e2a462fe
commit bda602f4b0
1 changed files with 2 additions and 2 deletions
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4
src/train_cmd.cpp
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@@ -3910,11 +3910,11 @@ Money Train::GetRunningCost() const
*/ */
bool Train::Tick() bool Train::Tick()
{ {
PerformanceAccumulator framerate(PFE_GL_TRAINS);
this->tick_counter++; this->tick_counter++;
if (this->IsFrontEngine()) { if (this->IsFrontEngine()) {
PerformanceAccumulator framerate(PFE_GL_TRAINS);
if (!(this->vehstatus & VS_STOPPED) || this->cur_speed > 0) this->running_ticks++; if (!(this->vehstatus & VS_STOPPED) || this->cur_speed > 0) this->running_ticks++;
this->current_order_time++; this->current_order_time++;