public static Node[] GetIncomingNodesOnShortestPath(
DirectionalMatrix <DistanceCalculation> distances,
Direction dir, int fromX, int fromY, int toX, int toY,
FiringLineMatrix firingLineMatrix = null,
bool keepMovingCloserOnFiringLastBullet = false)
{
DistanceCalculation distanceCalc = distances[dir, fromX, fromY];
if (distanceCalc.Distance == Constants.UNREACHABLE_DISTANCE)
{
return(new Node[0]);
}
int length = distanceCalc.Distance;
Node[] nodes = new Node[length];
int nodeIndex;
Node node;
nodeIndex = 0;
node = distanceCalc.AdjacentNode;
while (nodeIndex != length)
{
if (node.ActionType == ActionType.FiringLine)
{
Line <FiringDistance> firingLine = firingLineMatrix[toX, toY, node.Dir.GetOpposite(), node.EdgeOffset];
FiringDistance firingDistance = firingLine[node.FiringLineIndex];
FiringDistanceCalculator.AddFiringLineNodesToRoute(firingDistance,
firingLine.DirectionOfLine.GetOpposite(), nodes, ref nodeIndex, keepMovingCloserOnFiringLastBullet);
break;
}
// Add the node:
nodes[nodeIndex] = node;
nodeIndex++;
if (node.ActionType == ActionType.Firing)
{
// Add a moving node - the only reason to fire is to move...
node = new Node(ActionType.Moving, node.Dir, node.X + node.Dir.GetXOffset(), node.Y + node.Dir.GetYOffset());
nodes[nodeIndex] = node;
nodeIndex++;
}
distanceCalc = distances[node.Dir, node.X, node.Y];
node = distanceCalc.AdjacentNode;
}
if (nodeIndex < length)
{
Array.Resize(ref nodes, nodeIndex);
}
return(nodes);
}
public static Node[] GetOutgoingNodesOnShortestAttackPath(
CombinedMovementAndFiringDistanceCalculation combinedCalculation,
DirectionalMatrix <DistanceCalculation> distances,
bool keepMovingCloserOnFiringLastBullet = false)
{
int length = combinedCalculation.TicksTillTargetShot;
if (length == Constants.UNREACHABLE_DISTANCE)
{
return(new Node[0]);
}
Point startingTankPositionOnFiringLine = combinedCalculation.FiringDistance.StartingTankPosition;
Direction finalAttackDir = combinedCalculation.FinalMovementDirectionTowardsTarget;
DistanceCalculation distanceCalc = combinedCalculation.MovementDistanceToFiringLine;
// Add nodes to move onto firing line (in reverse order):
Node[] nodes = new Node[combinedCalculation.TicksTillTargetShot];
int nodeIndex = distanceCalc.Distance;
Node node = new Node(ActionType.Moving, finalAttackDir,
startingTankPositionOnFiringLine.X, startingTankPositionOnFiringLine.Y);
while (nodeIndex != 0)
{
nodeIndex--;
nodes[nodeIndex] = node;
node = distanceCalc.AdjacentNode;
if (node.ActionType == ActionType.Firing)
{
nodeIndex--;
nodes[nodeIndex] = node;
node = new Node(ActionType.Moving, node.Dir, node.X, node.Y);
}
distanceCalc = distances[node.Dir, node.X, node.Y];
}
// Add firing line nodes:
FiringDistanceCalculator.AddFiringLineNodesToRoute(combinedCalculation.FiringDistance,
finalAttackDir, nodes, ref nodeIndex, keepMovingCloserOnFiringLastBullet);
if (nodeIndex < length)
{
Array.Resize(ref nodes, nodeIndex);
}
return(nodes);
}