diff options
| -rw-r--r-- | src/newgrf_industries.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/newgrf_industries.cpp b/src/newgrf_industries.cpp index 8703ab417..abd9be1c5 100644 --- a/src/newgrf_industries.cpp +++ b/src/newgrf_industries.cpp @@ -439,7 +439,9 @@ bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspe group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object); - if (group == NULL || group->type != SGT_CALLBACK) return false; + /* Unlike the "normal" cases, not having a valid result means we allow + * the building of the industry, as that's how it's done in TTDP. */ + if (group == NULL || group->type != SGT_CALLBACK) return true; switch (group->g.callback.result) { case 0x400: return true; |