Function TryModifyingKeyItem

TombEngine/Game/pickup/pickup_key_items.cpp:67–90

}

bool TryModifyingKeyItem(LaraInfo& lara, GAME_OBJECT_ID objectID, std::optional<int> amount, ModificationType modType)
{
	// kick off the recursion starting at the last element
	auto result = GetArrayInternal<nInfos - 1>(lara, objectID);

	if (result.first)
	{
		auto& amt = result.first[result.second];
		switch (modType)
		{
		case ModificationType::Set:
			// infinite key items not yet implemented
			amt = amount.value();
			break;
		default:
			int defaultModify = modType == ModificationType::Add ? kDefaultPickupAmount : -kDefaultPickupAmount;
			int newVal = int{ result.first[result.second] } + (amount.has_value() ? amount.value() : defaultModify);
			result.first[result.second] = std::max(0, newVal);
		}
		return true;
	}

	return false;
}

bool TryAddingKeyItem(LaraInfo& lara, GAME_OBJECT_ID objectID, std::optional<int> amount)
{