Function RebuildSubsidisedSourceAndDestinationCache

src/subsidy.cpp:103–113

Perform a full rebuild of the subsidies cache. */

/** Perform a full rebuild of the subsidies cache. */
void RebuildSubsidisedSourceAndDestinationCache()
{
	for (Town *t : Town::Iterate()) t->cache.part_of_subsidy = {};

	for (Industry *i : Industry::Iterate()) i->part_of_subsidy = {};

	for (const Subsidy *s : Subsidy::Iterate()) {
		SetPartOfSubsidyFlag(s->src, PartOfSubsidy::Source);
		SetPartOfSubsidyFlag(s->dst, PartOfSubsidy::Destination);
	}
}

/**
 * Delete the subsidies associated with a given cargo source type and id.