private static void CallbackExample()
{
Console.WriteLine(nameof(CallbackExample));
//Setup the nodegrid and pathfinder.
var pathfindaxManager = new PathfindaxManager();
var factory = new DefinitionNodeGridFactory();
var nodeGrid = factory.GeneratePreFilledArray(GenerateNodeGridConnections.All, 3, 3);
var nodeNetwork = new DefinitionNodeGrid(nodeGrid, new Vector2(1, 1));
var pathfinder = pathfindaxManager.CreateAstarPathfinder(nodeNetwork, new ManhattanDistance());
//Request a path.
var pathRequest = pathfinder.RequestPath(nodeNetwork.NodeGrid.ToIndex(0, 0), nodeNetwork.NodeGrid.ToIndex(2, 0));
Console.WriteLine($"Solving path from {pathRequest.PathStart} to {pathRequest.PathEnd}...");
//Add a callback to the request that will be called then the pathfinder is done.
var callbackCalled = false;
pathRequest.AddCallback(request =>
{
Console.WriteLine($"Solved path! {request.CompletedPath}");
callbackCalled = true;
});
//Wait till callback is called.
while (!callbackCalled)
{
}
Console.WriteLine($"{nameof(CallbackExample)} completed. Press any key to continue with the next example.");
Console.ReadKey();
}
private static void PollingExample()
{
Console.WriteLine(nameof(PollingExample));
//Setup the nodegrid and pathfinder.
var pathfindaxManager = new PathfindaxManager();
var factory = new DefinitionNodeGridFactory();
var nodeGrid = factory.GeneratePreFilledArray(GenerateNodeGridConnections.All, 3, 3);
var nodeNetwork = new DefinitionNodeGrid(nodeGrid, new Vector2(1, 1));
var pathfinder = pathfindaxManager.CreateAstarPathfinder(nodeNetwork, new ManhattanDistance());
//Request a path.
var pathRequest = pathfinder.RequestPath(nodeNetwork.NodeGrid.ToIndex(0, 0), nodeNetwork.NodeGrid.ToIndex(2, 0));
Console.WriteLine($"Solving path from {pathRequest.PathStart} to {pathRequest.PathEnd}...");
//Poll the status to check when the pathfinder is finished.
while (pathRequest.Status == PathRequestStatus.Solving)
{
}
switch (pathRequest.Status)
{
case PathRequestStatus.Solved:
Console.WriteLine($"Solved path! {pathRequest.CompletedPath}");
break;
case PathRequestStatus.NoPathFound:
Console.WriteLine("Could not find a path");
break;
}
Console.WriteLine($"{nameof(PollingExample)} completed. Press any key to continue with the next example.");
Console.ReadKey();
}
private static void CallbackExample()
{
Console.WriteLine(nameof(CallbackExample));
//Setup the nodegrid and pathfinder.
var pathfindaxManager = new PathfindaxManager();
var nodeNetwork = new DefinitionNodeGrid(GenerateNodeGridConnections.All, 3, 3, new Vector2(1, 1));
var pathfinder = pathfindaxManager.CreateAstarPathfinder(nodeNetwork);
//Request a path.
var pathRequest = pathfinder.RequestPath(nodeNetwork.NodeGrid[0, 0], nodeNetwork.NodeGrid[2, 0]);
Console.WriteLine($"Solving path from {pathRequest.PathStart.Position} to {pathRequest.PathEnd.Position}...");
//Add a callback to the request that will be called then the pathfinder is done.
var callbackCalled = false;
pathRequest.AddCallback(request =>
{
Console.WriteLine($"Solved path! {request.CompletedPath}");
callbackCalled = true;
});
//Start calling update on the manager. Update will call the callbacks of any completed paths. Note that the callback is called from the thread that calls update.
//Normally when using pathfindax in a game engine you would wire this up in your game loop.
while (!callbackCalled)
{
pathfindaxManager.Update(1f);
}
Console.WriteLine($"{nameof(CallbackExample)} completed. Press any key to continue with the next example.");
Console.ReadKey();
}
private static void AsyncExample()
{
Console.WriteLine(nameof(AsyncExample));
//Setup the nodegrid and pathfinder.
var pathfindaxManager = new PathfindaxManager();
var factory = new DefinitionNodeGridFactory();
var nodeGrid = factory.GeneratePreFilledArray(GenerateNodeGridConnections.All, 3, 3);
var definitionNodeGrid = new DefinitionNodeGrid(nodeGrid, new Vector2(1, 1));
var pathfinder = pathfindaxManager.CreateAstarPathfinder(definitionNodeGrid, new ManhattanDistance());
var exampleGameObject = new ExampleAsyncGameObject(pathfinder);
//Wait till callback is called.
while (!exampleGameObject.CallBackCalled)
{
exampleGameObject.Update();
}
Console.ReadKey();
}