@Override
public byte getLeafSidesInNetwork(NetworkNode networkNode) {
if (!hasLeafNode(networkNode))
throw new IllegalArgumentException("Cannot test nodes not in network");
if (networkingNodes.size() == 0) {
// Degenerated network
for (Side connectingOnSide : SideBitFlag.getSides(networkNode.connectionSides)) {
Vector3i possibleLocation = networkNode.location.toVector3i();
possibleLocation.add(connectingOnSide.getVector3i());
for (NetworkNode node : leafNodes.get(new ImmutableBlockLocation(possibleLocation))) {
if (SideBitFlag.hasSide(node.connectionSides, connectingOnSide.reverse())) {
return SideBitFlag.getSide(connectingOnSide);
}
}
}
return 0;
} else {
byte result = 0;
for (Side connectingOnSide : SideBitFlag.getSides(networkNode.connectionSides)) {
Vector3i possibleLocation = networkNode.location.toVector3i();
possibleLocation.add(connectingOnSide.getVector3i());
for (NetworkNode node : networkingNodes.get(new ImmutableBlockLocation(possibleLocation))) {
if (SideBitFlag.hasSide(node.connectionSides, connectingOnSide.reverse())) {
result += SideBitFlag.getSide(connectingOnSide);
}
}
}
return result;
}
}
public static boolean areNodesConnecting(NetworkNode node1, NetworkNode node2) {
for (Side side : SideBitFlag.getSides(node1.connectionSides)) {
final ImmutableBlockLocation possibleConnectedLocation = node1.location.move(side);
if (node2.location.equals(possibleConnectedLocation)
&& SideBitFlag.hasSide(node2.connectionSides, side.reverse())) return true;
}
return false;
}
private boolean canConnectToNetworkingNode(NetworkNode networkNode) {
for (Side connectingOnSide : SideBitFlag.getSides(networkNode.connectionSides)) {
final ImmutableBlockLocation possibleConnectionLocation =
networkNode.location.move(connectingOnSide);
for (NetworkNode possibleConnectedNode : networkingNodes.get(possibleConnectionLocation)) {
if (SideBitFlag.hasSide(possibleConnectedNode.connectionSides, connectingOnSide.reverse()))
return true;
}
}
return false;
}
private void listConnectedNotVisitedNetworkingNodes(
Set<NetworkNode> visitedNodes, NetworkNode location, Collection<NetworkNode> result) {
for (Side connectingOnSide : SideBitFlag.getSides(location.connectionSides)) {
final ImmutableBlockLocation possibleConnectionLocation =
location.location.move(connectingOnSide);
for (NetworkNode possibleConnection : networkingNodes.get(possibleConnectionLocation)) {
if (!visitedNodes.contains(possibleConnection)
&& SideBitFlag.hasSide(possibleConnection.connectionSides, connectingOnSide.reverse()))
result.add(possibleConnection);
}
}
}