diff options
| -rw-r--r-- | src/newgrf.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp index 0377c0bc5..a9727d38d 100644 --- a/src/newgrf.cpp +++ b/src/newgrf.cpp @@ -5130,6 +5130,10 @@ static void NewSpriteGroup(ByteReader *buf) group->lowest_randbit = buf->ReadByte(); byte num_groups = buf->ReadByte(); + if (!HasExactlyOneBit(num_groups)) { + grfmsg(1, "NewSpriteGroup: Random Action 2 nrand should be power of 2"); + } + for (uint i = 0; i < num_groups; i++) { group->groups.push_back(GetGroupFromGroupID(setid, type, buf->ReadWord())); } |