Mercurial > hg > openttd
changeset 7192:c42bd37688c7 draft
(svn r10470) -Fix: clamp station build date to 16 bit value for newgrf, preventing overflow and incorrect graphics shown past a certain date.
author | peter1138 <peter1138@openttd.org> |
---|---|
date | Sat, 07 Jul 2007 20:17:01 +0000 |
parents | 069acc1dfaf7 |
children | 57929f9a187e |
files | src/newgrf_station.cpp |
diffstat | 1 files changed, 2 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/src/newgrf_station.cpp +++ b/src/newgrf_station.cpp @@ -378,7 +378,7 @@ case 0x42: return 0; // Rail type (XXX Get current type from GUI?) case 0x43: return _current_player; // Station owner case 0x44: return 2; // PBS status - case 0xFA: return max(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0); // Build date + case 0xFA: return clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Build date, clamped to a 16 bit value } *available = false; @@ -420,7 +420,7 @@ case 0xF3: return st->bus_stops->status; case 0xF6: return st->airport_flags; case 0xF7: return GB(st->airport_flags, 8, 8); - case 0xFA: return max(st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0); + case 0xFA: return clamp(st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); } /* Handle cargo variables with parameter, 0x60 to 0x65 */