public static double MaximumFlow(
DirectedGraph graph, double[] cap, int s, int t, out double[] flow)
{
if (s == t) {
throw new ArgumentException("始点と終点が同じ頂点です.");
}
int n = graph.Vertices.Count;
int m = graph.Edges.Count;
flow = new double[m];
double total = 0;
for (bool cont = true; cont; ) {
cont = false;
var level = new int[n];
for (int i = 0; i < n; ++i)
level[i] = -1;
level[s] = 0;
var Q = new Queue<int>();
Q.Enqueue(s);
for (int d = n; Q.Count > 0 && level[Q.Peek()] < d; ) {
int u = Q.Dequeue();
if (u == t) d = level[u];
foreach (var e in graph.OutEdges[u]) {
if (cap[e.Index] - flow[e.Index] >= SMALL && level[e.Dst] == -1) {
Q.Enqueue(e.Dst);
level[e.Dst] = level[u] + 1;
}
}
foreach (var e in graph.InEdges[u]) {
if (flow[e.Index] >= SMALL && level[e.Dst] == -1) {
Q.Enqueue(e.Dst);
level[e.Dst] = level[u] + 1;
}
}
}
var finished = new bool[n];
for (double f = 1; f > 0; ) {
f = Augment(graph, cap, flow, level, finished, s, t, double.PositiveInfinity);
if (f < SMALL) break;
total += f;
cont = true;
}
}
return total;
}
public TurnManager(PathFinder p, List<Unit> ally, List<Unit> enemy)
{
pathFinder = p;
ai = new UnitAI(pathFinder);
playerUnits = ally;
aiUnits = enemy;
NextTurn = UIManager.getUIManager().getNextTurnButton();
Cancel = UIManager.getUIManager().getCancelButton();
Wait = UIManager.getUIManager().getWaitButton();
selectionState = State.OurTurnNoSelection;
UIManager.getUIManager().ChangeButtonState(selectionState);
toActAI = new Queue<Unit>();
}
private KeyValuePair<Result, UnitAction> FindUnit()
{
Predicate<Node> findEn = (Node q) =>
{
bool isOccupied = q.Occupied;
if (!isOccupied)
return false;
if (q.Occupier.isEnemy() != subjectRef.isEnemy())
return true;
return false;
};
Node closestEnemyNode = pathManager.getClosestNode(subjectRef, findEn);
if (closestEnemyNode == null)
return new KeyValuePair<Result, UnitAction>(Result.NothingFound, null);
Queue<Node> path = new Queue<Node>();
pathFinderRef.AStar(path, subjectRef.getNode(), closestEnemyNode, closestEnemyNode);
Node goTo = subjectRef.getNode();
// go to farthest path.
while (path.Count > 0 && pathManager.canWalkTo(subjectRef, path.Peek()))
goTo = path.Dequeue();
UnitAction moveCloserToClosestEnemy = new UnitAction(subjectRef, null, goTo);
return new KeyValuePair<Result, UnitAction>(Result.Success, moveCloserToClosestEnemy);
}