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(svn r19485) -Codechange: Re-implement CalcBridgeLenCostFactor() in a more readable way without changing computed costs.

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alberth
2010-03-20 16:45:23 +00:00
parent cced6b35cb
commit c3471d98f3
1 changed files with 8 additions and 7 deletions
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15
src/tunnelbridge_cmd.cpp
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@@ -73,15 +73,16 @@ void ResetBridges()
*/ */
int CalcBridgeLenCostFactor(int length) int CalcBridgeLenCostFactor(int length)
{ {
int n;
int r;
if (length < 2) return length; if (length < 2) return length;
length -= 2; length -= 2;
for (n = 0, r = 2;; n++) { int sum = 2;
if (length <= n) return r + length * n; for (int delta = 1;; delta++) {
r += n * n; for (int count = 0; count < delta; count++) {
length -= n; if (length == 0) return sum;
sum += delta;
length--;
}
} }
} }