diff options
-rw-r--r-- | src/newgrf.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp index 508e8305c..bca7afacf 100644 --- a/src/newgrf.cpp +++ b/src/newgrf.cpp @@ -1356,9 +1356,12 @@ static ChangeInfoResult BridgeChangeInfo(uint brid, int numinfo, int prop, byte BridgeSpec *bridge = &_bridge[brid + i]; switch (prop) { - case 0x08: // Year of availability - bridge->avail_year = ORIGINAL_BASE_YEAR + grf_load_byte(&buf); + case 0x08: { // Year of availability + /* We treat '0' as always available */ + byte year = grf_load_byte(&buf); + bridge->avail_year = (year > 0 ? ORIGINAL_BASE_YEAR + year : 0); break; + } case 0x09: // Minimum length bridge->min_length = grf_load_byte(&buf); |