private static void RunAssertion <L>(
int numPoints,
int numMoves,
int queryFrameSize,
SupportQuadTreeConfig config,
SupportQuadTreeToolNonUnique <L> tools)
{
var random = new Random();
L quadTree = tools.factory.Invoke(config);
var points = tools.generator.Generate(random, numPoints, config.X, config.Y, config.Width, config.Height);
foreach (var point in points)
{
tools.adderNonUnique.Invoke(quadTree, point);
}
for (var i = 0; i < numMoves; i++)
{
SupportRectangleWithId moved = points[(random.Next(points.Count))];
Move(moved, quadTree, random, config, tools);
var startX = moved.X - queryFrameSize;
var startY = moved.Y - queryFrameSize;
double widthQ = queryFrameSize * 2;
double heightQ = queryFrameSize * 2;
ICollection <object> values = tools.querier.Invoke(quadTree, startX, startY, widthQ, heightQ);
AssertIds(points, values, startX, startY, widthQ, heightQ, tools.pointInsideChecking);
}
}
private static void RunAssertion <L>(
int numPoints,
int numMoves,
int queryFrameSize,
SupportQuadTreeConfig config,
SupportQuadTreeToolUnique <L> tools,
double rectangleWidth,
double rectangleHeight)
{
var random = new Random();
var quadTree = tools.factory.Invoke(config);
// generate
var points = GenerateIntegerCoordinates(random, numPoints, config, rectangleWidth, rectangleHeight);
// add
foreach (var point in points.Values)
{
tools.adderUnique.Invoke(quadTree, point);
}
// move points
for (var i = 0; i < numMoves; i++)
{
var p = MovePoint(points, quadTree, random, config, tools.adderUnique, tools.remover);
var qx = p.X - queryFrameSize;
var qy = p.Y - queryFrameSize;
double qwidth = queryFrameSize * 2;
double qheight = queryFrameSize * 2;
var values = tools.querier.Invoke(quadTree, qx, qy, qwidth, qheight);
AssertIds(points.Values, values, qx, qy, qwidth, qheight, tools.pointInsideChecking);
}
}
private static IDictionary <XYPoint, SupportRectangleWithId> GenerateIntegerCoordinates(
Random random,
int numPoints,
SupportQuadTreeConfig config,
double rectangleWidth,
double rectangleHeight)
{
IDictionary <XYPoint, SupportRectangleWithId> result = new Dictionary <XYPoint, SupportRectangleWithId>();
var pointNum = 0;
while (result.Count < numPoints)
{
var x = (int)config.X + random.Next((int)config.Width);
var y = (int)config.Y + random.Next((int)config.Height);
var p = new XYPoint(x, y);
if (result.ContainsKey(p))
{
continue;
}
result.Put(p, new SupportRectangleWithId("P" + pointNum, x, y, rectangleWidth, rectangleHeight));
pointNum++;
}
return(result);
}
private static XYPoint MovePoint <L>(
IDictionary <XYPoint, SupportRectangleWithId> points,
L quadTree,
Random random,
SupportQuadTreeConfig config,
AdderUnique <L> adder,
Remover <L> remover)
{
var coordinates = points.Keys.ToArray();
XYPoint oldCoordinate;
XYPoint newCoordinate;
while (true)
{
oldCoordinate = coordinates[random.Next(coordinates.Length)];
var direction = random.Next(4);
var newX = oldCoordinate.X;
var newY = oldCoordinate.Y;
if (direction == 0 && newX > config.X)
{
newX--;
}
if (direction == 1 && newY > config.Y)
{
newY--;
}
if (direction == 2 && newX < config.X + config.Width - 1)
{
newX++;
}
if (direction == 3 && newY < config.Y + config.Height - 1)
{
newY++;
}
newCoordinate = new XYPoint(newX, newY);
if (!points.ContainsKey(newCoordinate))
{
break;
}
}
var moved = points.Delete(oldCoordinate);
remover.Invoke(quadTree, moved);
moved.X = newCoordinate.X;
moved.Y = newCoordinate.Y;
adder.Invoke(quadTree, moved);
points.Put(newCoordinate, moved);
// Comment-me-in:
// log.info("Moving " + moved.getId() + " from " + printPoint(oldCoordinate.getX(), oldCoordinate.getY()) + " to " + printPoint(newCoordinate.getX(), newCoordinate.getY()));
return(newCoordinate);
}
private static void Move <L>(
SupportRectangleWithId rectangle,
L quadTree,
Random random,
SupportQuadTreeConfig config,
SupportQuadTreeToolNonUnique <L> tools)
{
tools.remover.Invoke(quadTree, rectangle);
double newX;
double newY;
while (true)
{
int direction = random.Next(4);
newX = rectangle.X;
newY = rectangle.Y;
if (direction == 0)
{
newX--;
}
else if (direction == 1)
{
newY--;
}
else if (direction == 2)
{
newX++;
}
else if (direction == 3)
{
newY++;
}
if (tools.pointInsideChecking)
{
if (BoundingBox.ContainsPoint(config.X, config.Y, config.Width, config.Height, newX, newY))
{
break;
}
}
else
{
if (BoundingBox.IntersectsBoxIncludingEnd(config.X, config.Y, config.MaxX, config.MaxY, newX, newY, rectangle.W, rectangle.H))
{
break;
}
}
}
// Comment-me-in:
// log.info("Moving " + point.getId() + " from " + printPoint(point.getX(), point.getY()) + " to " + printPoint(newX, newY));
rectangle.X = newX;
rectangle.Y = newY;
tools.adderNonUnique.Invoke(quadTree, rectangle);
}
private static void RunAssertion <L>(
int numPoints,
int numQueries,
SupportQuadTreeConfig config,
SupportQuadTreeToolUnique <L> tools)
{
L quadTree = tools.factory.Invoke(config);
// generate
var random = new Random();
var rectangles = tools.generator.Generate(random, numPoints, config.X, config.Y, config.Width, config.Height);
// add
foreach (var rectangle in rectangles)
{
tools.adderUnique.Invoke(quadTree, rectangle);
}
// query
for (var i = 0; i < numQueries; i++)
{
SupportQuadTreeUtil.RandomQuery(
quadTree,
rectangles,
random,
config.X,
config.Y,
config.Width,
config.Height,
tools.querier,
tools.pointInsideChecking);
}
// remove point-by-point
while (!rectangles.IsEmpty())
{
int removeIndex = random.Next(rectangles.Count);
SupportRectangleWithId removed = rectangles.DeleteAt(removeIndex);
tools.remover.Invoke(quadTree, removed);
for (var i = 0; i < numQueries; i++)
{
SupportQuadTreeUtil.RandomQuery(
quadTree,
rectangles,
random,
config.X,
config.Y,
config.Width,
config.Height,
tools.querier,
tools.pointInsideChecking);
}
}
}
private static void RunAssertionPointsUnique <L>(
int numPoints,
SupportQuadTreeConfig config,
SupportQuadTreeToolUnique <L> tools)
{
var random = new Random();
L quadTree = tools.factory.Invoke(config);
var points = tools.generator.Generate(random, numPoints, config.X, config.Y, config.Width, config.Height);
// add
foreach (var p in points)
{
tools.adderUnique.Invoke(quadTree, p);
}
// find all individually
foreach (var p in points)
{
ICollection <object> values = tools.querier.Invoke(quadTree, p.X, p.Y, 0.9, 0.9);
Assert.IsTrue(values != null && !values.IsEmpty(), "Failed to find " + p);
Assert.AreEqual(1, values.Count);
Assert.AreEqual(p.Id, values.First());
}
// get all content
ICollection <object> all = tools.querier.Invoke(quadTree, config.X, config.Y, config.Width, config.Height);
Assert.AreEqual(points.Count, all.Count);
Assert.AreEqual(points.Count, new HashSet <object>(all).Count);
foreach (var value in all)
{
Assert.IsInstanceOf <string>(value);
}
// remove all
foreach (var p in points)
{
tools.remover.Invoke(quadTree, p);
}
ICollection <object> valuesLater = tools.querier.Invoke(quadTree, config.X, config.Y, config.Width, config.Height);
Assert.IsNull(valuesLater);
}