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-rw-r--r--src/strings.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/strings.cpp b/src/strings.cpp
index 77174a9ed..a1c147c83 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -605,12 +605,13 @@ struct UnitConversion {
/**
* Convert the displayed value back into a value of OpenTTD's internal unit.
* @param input The input to convert.
- * @param round Whether to round the value or not.
+ * @param round Whether to round the value up or not.
+ * @param divider Divide the return value by this.
* @return The converted value.
*/
- int64 FromDisplay(int64 input, bool round = true) const
+ int64 FromDisplay(int64 input, bool round = true, int64 divider = 1) const
{
- return ((input << this->shift) + (round ? this->multiplier / 2 : 0)) / this->multiplier;
+ return ((input << this->shift) + (round ? (this->multiplier * divider) - 1 : 0)) / (this->multiplier * divider);
}
};
@@ -699,7 +700,7 @@ uint ConvertKmhishSpeedToDisplaySpeed(uint speed)
*/
uint ConvertDisplaySpeedToKmhishSpeed(uint speed)
{
- return _units[_settings_game.locale.units].c_velocity.FromDisplay(speed * 16) / 10;
+ return _units[_settings_game.locale.units].c_velocity.FromDisplay(speed * 16, true, 10);
}
/**
* Parse most format codes within a string and write the result to a buffer.