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authorsmatz <smatz@openttd.org>2010-04-17 20:21:33 +0000
committersmatz <smatz@openttd.org>2010-04-17 20:21:33 +0000
commit1f963aed43db64490faa242cc2acce9f08c42f68 (patch)
tree0f5c9a4999ff284ae5bccd3a4f1af7fa037a6994 /src/command.cpp
parent320dcc7d07eace1af0ddfa1a7f6528a2497eb36a (diff)
downloadopenttd-1f963aed43db64490faa242cc2acce9f08c42f68.tar.xz
(svn r19663) -Fix: in rare cases, update of signals could be missed
Diffstat (limited to 'src/command.cpp')
-rw-r--r--src/command.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/command.cpp b/src/command.cpp
index 6fcb1f29e..f2baa2ff6 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -670,6 +670,9 @@ CommandCost DoCommandPInternal(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd,
/* If we're needing more money and we haven't done
* anything yet, ask for the money! */
if (_additional_cash_required != 0 && res2.GetCost() == 0) {
+ /* It could happen we removed rail, thus gained money, and deleted something else.
+ * So make sure the signal buffer is empty even in this case */
+ UpdateSignalsInBuffer();
SetDParam(0, _additional_cash_required);
return_dcpi(CommandCost(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY), false);
}