(svn r17546) -Fix (r9617): sign extending of profit calculation didn't work

15 years ago · ac36433b52
parent f2487381ce
commit ac36433b52
1 changed files with 1 additions and 1 deletions
--- a/src/economy.cpp
+++ b/src/economy.cpp
@ -815,7 +815,7 @@ Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, C
 			int result = GB(callback, 0, 14);

 			/* Simulate a 15 bit signed value */
-			if (HasBit(callback, 14)) result = 0x4000 - result;
+			if (HasBit(callback, 14)) result -= 0x4000;

 			/* "The result should be a signed multiplier that gets multiplied
 			 * by the amount of cargo moved and the price factor, then gets