public static bool CanReplaceStuffFor(ThingDef stuff, Thing thing, ThingDef matchDef = null)
{
if (thing.Faction != Faction.OfPlayer && thing.Faction != null) //can't replace enemy things
{
return(false);
}
BuildableDef builtDef = GenConstruct.BuiltDefOf(thing.def);
if (matchDef != null && builtDef != matchDef)
{
return(false);
}
if (thing is Blueprint bp)
{
if (bp.EntityToBuildStuff() == stuff)
{
return(false);
}
}
else if (thing is Frame frame)
{
if (frame.EntityToBuildStuff() == stuff)
{
return(false);
}
}
else if (thing.def.HasReplaceFrame())
{
if (thing.Stuff == stuff)
{
return(false);
}
}
else
{
return(false);
}
if (!GenConstruct.CanBuildOnTerrain(builtDef, thing.Position, thing.Map, thing.Rotation, thing, stuff))
{
return(false); //TODO: place bridges under &&
}
if (thing.BeingReplacedByNewThing() != null)
{
return(false); //being upgraded.
}
return(GenStuff.AllowedStuffsFor(builtDef).Contains(stuff));
}