@@ -71,17 +71,17 @@ void ResetBridges()
* @param length Length of the bridge.
* @return Price factor for the bridge.
*/
int CalcBridgeLenCostFactor(int x)
int CalcBridgeLenCostFactor(int length)
{
int n;
int r;
if (x < 2) return x;
x -= 2;
if (length < 2) return length;
length -= 2;
for (n = 0, r = 2;; n++) {
if (x <= n) return r + x * n;
if (length <= n) return r + length * n;
r += n * n;
x -= n;
length -= n;
}