Fix #416: Division by zero for trains of 0 mass

In maximum achievable speed estimator
2022-09-04 18:20:09 +01:00
parent 0400f06d9e
commit e3896b69d3
4 changed files with 8 additions and 4 deletions
--- a/src/tbtr_template_vehicle_func.cpp
+++ b/src/tbtr_template_vehicle_func.cpp
@@ -502,11 +502,13 @@ void UpdateAllTemplateVehicleImages()
 	_template_vehicle_images_valid = true;
 }

-int GetTemplateVehicleEstimatedMaxAchievableSpeed(const TemplateVehicle *tv, const int mass, const int speed_cap)
+int GetTemplateVehicleEstimatedMaxAchievableSpeed(const TemplateVehicle *tv, int mass, const int speed_cap)
 {
 	int max_speed = 0;
 	int acceleration;

+	if (mass < 1) mass = 1;
+
 	do
 	{
 		max_speed++;