private NodeIndex CheckNeighbourNonVisitedNodes()
{
NodeIndex newNodeIndex;
//Tries to move to the right
newNodeIndex = NodeDirectionUtilities.GetRightDirectionOfNode(aiBehaviour.nodeTable.GetCurrentNodeIndex(), aiBehaviour.GetFacingDirection());
if (aiBehaviour.nodeTable.CheckNodesConnection(aiBehaviour.nodeTable.GetCurrentNodeIndex(), newNodeIndex))
{
return(newNodeIndex);
}
//Tries to move to the front
newNodeIndex = NodeDirectionUtilities.GetFrontDirectionOfNode(aiBehaviour.nodeTable.GetCurrentNodeIndex(), aiBehaviour.GetFacingDirection());
if (aiBehaviour.nodeTable.CheckNodesConnection(aiBehaviour.nodeTable.GetCurrentNodeIndex(), newNodeIndex))
{
return(newNodeIndex);
}
//Tries to move to the left
newNodeIndex = NodeDirectionUtilities.GetLeftDirectionOfNode(aiBehaviour.nodeTable.GetCurrentNodeIndex(), aiBehaviour.GetFacingDirection());
if (aiBehaviour.nodeTable.CheckNodesConnection(aiBehaviour.nodeTable.GetCurrentNodeIndex(), newNodeIndex))
{
return(newNodeIndex);
}
//Returns null if there is no elegible neighbour
return(null);
}