public void SetOutgoingRiver(HexDirection direction)
{
if (hasOutgoingRiver && outgoingRiver == direction)
{
return;
}
HexCell neighbor = GetNeighbor(direction);
if (!IsValidRiverDestination(neighbor))
{
return;
}
RemoveOutgoingRiver();
if (hasIncomingRiver && incomingRiver == direction)
{
RemoveIncomingRiver();
}
hasOutgoingRiver = true;
outgoingRiver = direction;
specialIndex = 0;
neighbor.RemoveIncomingRiver();
neighbor.hasIncomingRiver = true;
neighbor.incomingRiver = direction.Opposite();
neighbor.specialIndex = 0;
SetRoad((int)direction, false);
}
