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(svn r4582) - NewGRF: include an additional check to see if a spriteset id is within range.

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peter1138 2006-04-26 20:18:29 +00:00
parent 2b96c107fa
commit b81e6dd6a2
1 changed files with 5 additions and 0 deletions
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5
newgrf.c
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@ -1319,6 +1319,11 @@ static SpriteGroup* CreateGroupFromGroupID(byte setid, byte type, uint16 spritei
{
if (HASBIT(spriteid, 15)) return NewCallBackResultSpriteGroup(spriteid);
if (spriteid >= _cur_grffile->spriteset_numsets) {
grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Sprite set %u invalid, max %u", setid, type, spriteid, _cur_grffile->spriteset_numsets);
return NULL;
}
/* Check if the sprite is within range. This can fail if the Action 0x01
* is skipped, as TTDPatch mandates that Action 0x02s must be processed.
* We don't have that rule, but must live by the Patch... */