public void Search_BackwardPath_PathFound()
{
/*
##__
* 10#_
* 2#6_
* 345_
*/
var target = new WeightedGridGraph(10, 10);
target.Walls.Add(new Point(1, 2));
target.Walls.Add(new Point(2, 1));
target.Walls.Add(new Point(1, 0));
target.Walls.Add(new Point(0, 0));
var result = WeightedPathfinder.Search(target, new Point(1, 1), new Point(2, 2));
Assert.AreEqual(7, result.Count());
Assert.AreEqual(new Point(1, 1), result[0]);
Assert.AreEqual(new Point(0, 1), result[1]);
Assert.AreEqual(new Point(0, 2), result[2]);
Assert.AreEqual(new Point(0, 3), result[3]);
Assert.AreEqual(new Point(1, 3), result[4]);
Assert.AreEqual(new Point(2, 3), result[5]);
Assert.AreEqual(new Point(2, 2), result[6]);
}
public EnemyController(TiledTileLayer collisionLayer) : base()
{
_grid = new WeightedGridGraph(collisionLayer);
this.collisionState = new TiledMapMover.CollisionState();
_dir = new Vector2();
maxVelocity = 1f;
}
public Punk(String inEntityType, int inTotalLife, Nez.Tiled.TiledMap inMap, bool enemyHasGun, int ntargetPositionRange) : base(inEntityType, inTotalLife, inMap, enemyHasGun, ntargetPositionRange)
{
EntityType = inEntityType;
TileMap = inMap;
TotalLife = inTotalLife;
CurrentLife = TotalLife;
CollisionLayer = TileMap.getLayer <TiledTileLayer>("collisionLayer");
WeightedGraph = new WeightedGridGraph(CollisionLayer);
Start = new Point(1, 1);
End = new Point(10, 10);
WeightedSearchPath = WeightedGraph.search(Start, End);
EnemyCanShootGun = enemyHasGun;
TargetPositionRange = ntargetPositionRange;
}
public Pathfinder(TiledMap tilemap)
{
_tilemap = tilemap;
var layer = tilemap.getLayer <TiledTileLayer>("main");
_start = new Point(1, 1);
_end = new Point(10, 10);
_gridGraph = new UnweightedGridGraph(layer);
_breadthSearchPath = _gridGraph.search(_start, _end);
_astarGraph = new WeightedGridGraph(layer);
_astarSearchPath = _astarGraph.search(_start, _end);
Debug.drawTextFromBottom = true;
}
public void Search_ForwardPath_PathFound()
{
/*
* ____
* _01_
* _#2_
*/
var target = new WeightedGridGraph(10, 10);
target.Walls.Add(new Point(1, 2));
var result = WeightedPathfinder.Search(target, new Point(1, 1), new Point(2, 2));
Assert.AreEqual(3, result.Count());
Assert.AreEqual(new Point(1, 1), result[0]);
Assert.AreEqual(new Point(2, 1), result[1]);
Assert.AreEqual(new Point(2, 2), result[2]);
}
public void Search_NoWay_PathNull()
{
/*
* _#__
#0#_
* _#x_
* ____
*/
var target = new WeightedGridGraph(10, 10);
target.Walls.Add(new Point(1, 2));
target.Walls.Add(new Point(2, 1));
target.Walls.Add(new Point(1, 0));
target.Walls.Add(new Point(0, 1));
var result = WeightedPathfinder.Search(target, new Point(1, 1), new Point(2, 2));
Assert.AreEqual(null, result);
}
public void UpdateScene()
{
ShakeCamera();
UpdateUIText();
_healthBar.setValue(_player.Health - 1);
if (_player.Dead)
{
_healthBar.setStyle(ProgressBarStyle.create(Color.Black, Color.Black));
var transition = new SquaresTransition(PlayerDeath);
Core.startSceneTransition(transition);
Core.scene = PlayerDeath();
}
Physics.gravity.Y = 250f;
CheckGrounded();
//Console.WriteLine(playerEntity.transform.position.X + ", " + playerEntity.transform.position.Y);
CheckDoors();
var graph = new WeightedGridGraph(_tileCollLayer);
}
public void Search_AllowDiagonal_PathFound()
{
/*
##__
* _0#_
* _#1_
* ____
*/
var target = new WeightedGridGraph(10, 10, true);
target.Walls.Add(new Point(1, 2));
target.Walls.Add(new Point(2, 1));
target.Walls.Add(new Point(1, 0));
target.Walls.Add(new Point(0, 0));
var result = WeightedPathfinder.Search(target, new Point(1, 1), new Point(2, 2));
Assert.AreEqual(2, result.Count());
Assert.AreEqual(new Point(1, 1), result[0]);
Assert.AreEqual(new Point(2, 2), result[1]);
}
protected bool InitPath()
{
// If the path isn't currently set, then set it
// The path will be set & unset many times over the course of a single chase
if (Path == null)
{
// If the collisions layer hasn't been set yet, set it
// We need that to find paths around
if (Layer == null)
{
// First, get the main map
Entity Map = Core.scene.findEntity("map");
// If the map doesn't exist, there's nothing to find paths around
// Just quit, this should never happen
if (Map == null)
{
return(false);
}
// Get the map data
// We use Tiled in this game
TiledMapComponent MapData = Map.getComponent <TiledMapComponent>();
// If there is no map data, then there's no use
// Just quit, this should never happen
if (MapData == null)
{
return(false);
}
// Set the collision layer
Layer = MapData.collisionLayer;
// If the collision layer is null, there's no use
// Just quit, this should never happen
if (Layer == null)
{
return(false);
}
}
// If the graph hasn't been set, set it
// The graph is the object that sets the path
if (graph == null)
{
graph = new WeightedGridGraph(Layer);
// If graph didn't properly set, there's no use
// Just quit, this should never happen
if (graph == null)
{
return(false);
}
}
// Set the path
SetPath();
// If the path is somehow still null, it's no use
// Just quit, this should never happen
if (Path == null)
{
return(false);
}
// If the path is more-or-less empty, make it null, then quit
// (The first node is usually useless)
// This should never happen
if (Path.Count < 1)
{
ChosenPatrolStalkPoint = null;
Player = null;
Path = null;
return(false);
}
// Set the place on the map we want to go to
// We make it a Vector2 as opposed to a Point. It's easier for us to use it that way
// We also multiply it by the map's tilesize, as the Point it gives us is coordinates
NextPoint = new Vector2((Path[1].X * 8) + 4, (Path[1].Y * 8) - 4);
}
return(true);
}
