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@ -111,7 +111,15 @@ RoadBits CleanUpRoadBits(const TileIndex tile, RoadBits org_rb)
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bool HasRoadTypeAvail(const CompanyID company, RoadType roadtype)
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{
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if (company == OWNER_DEITY || company == OWNER_TOWN || _game_mode == GM_EDITOR || _generating_world) {
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return true; // TODO: should there be a proper check?
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const RoadTypeInfo *rti = GetRoadTypeInfo(roadtype);
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if (rti->label == 0) return false;
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/*
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* Do not allow building hidden road types, except when a town may build it.
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* The GS under deity mode, as well as anybody in the editor builds roads that are
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* owned by towns. So if a town may build it, it should be buildable by them too.
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*/
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return (rti->flags & ROTFB_HIDDEN) == 0 || (rti->flags & ROTFB_TOWN_BUILD) != 0;
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} else {
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const Company *c = Company::GetIfValid(company);
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if (c == nullptr) return false;
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