private IList<int> GetIdForObj(GameObject obj)
{
var bucketsObjIsIn = new LinkedList<int>();
Vector2 min = new Vector2(
obj.GetPosition().X - (obj.GetMaxRadius()),
obj.GetPosition().Y - (obj.GetMaxRadius()));
Vector2 max = new Vector2(
obj.GetPosition().X + (obj.GetMaxRadius()),
obj.GetPosition().Y + (obj.GetMaxRadius()));
float width = Cols;
//TopLeft
AddBucket(min, width, bucketsObjIsIn);
//TopRight
AddBucket(new Vector2(max.X, min.Y), width, bucketsObjIsIn);
//BottomRight
AddBucket(new Vector2(max.X, max.Y), width, bucketsObjIsIn);
//BottomLeft
AddBucket(new Vector2(min.X, max.Y), width, bucketsObjIsIn);
return bucketsObjIsIn;
}
public void AddObject(GameObject obj)
{
var cellIds = GetIdForObj(obj);
foreach (var item in cellIds)
{
Buckets.Get(item).Add(obj);
}
}
public override bool Blocks(GameObject other)
{
if (type == ETileType.WALL || type == ETileType.CRATE)
{
if (other is Bullet)
((Bullet)other).CheckKill(this);
return true;
}
return false;
}
public override bool Blocks(GameObject other)
{
if (other is Tile)
{
Tile t = other as Tile;
if (t.GetTileType() == ETileType.CRATE)
return false;
}
return owner != other;
}
public override bool Blocks(GameObject other)
{
if (other is Entity)
return true;
if (other is Bullet)
{
return !((Bullet)other).CheckKill(this);
}
return true;
}
public override bool Blocks(GameObject other)
{
if (other is Entity)
return true;
if (other is Tile)
{
if(((Tile)other).GetTileType() == ETileType.SPAWN) {
ResetHealth();
return false;
}
}
if (other is Bullet)
{
return !((Bullet)other).CheckKill(this);
}
return true;
}
public bool CheckKill(GameObject obj)
{
if (obj != owner)
{
if ( obj is Tile)
{
Tile t = obj as Tile;
if (t.GetTileType() == ETileType.CRATE)
{
color = Color.Blue;
speed *= 0.9f;
damage *= 0.8f;
return true;
}
}
Dead = true;
return true;
}
return false;
}
public virtual bool Blocks(GameObject other)
{
return false;
}
public void AddText(GameObject entity , string text)
{
Texts.Add(new WorldText() { Entity = entity, Text = text, TimeLeft = 3, Offset = new Vector2(-100 + new Random().Next(100) - 50, -50 + new Random().Next(100) - 50) });
}
public bool RayCast(GameObject origin, GameObject target)
{
var segment = new Segment(origin.GetPosition(), target.GetPosition());
for (int y = 0; y < Map.getTileMap().GetLength(0); y++)
{
for (int x = 0; x < Map.getTileMap().GetLength(1); x++)
{
if (Map.getTileMap()[x, y].GetTileType() != ETileType.WALL) // && Map.getTileMap()[x, y].GetType() != ETileType.CREATE)
continue;
if (segment.Collide(Map.getTileMap()[x, y].GetRecHit()))
return false;
}
}
// Should enemies block raycast?
foreach (var enemy in Enemies.Where(x => x != origin))
{
if (segment.Collide(enemy.GetHitRectangle()))
return false;
}
return true;
}
public override bool Blocks(GameObject other)
{
return base.Blocks(other);
}
public GameObject[] GetPossibleColliders(GameObject obj)
{
var objects = new LinkedList<GameObject>();
var bucketIds = GetIdForObj(obj);
foreach (var item in bucketIds)
{
objects.AddRange(Buckets.Get(item));
}
return objects.Distinct().ToArray();
}
public System.Collections.Generic.ICollection<GameObject> GetColliders(GameObject obj)
{
IList<GameObject> colliders = new LinkedList<GameObject>();
// Get all possible colliders exept myself and bullets
colliders.AddRange(collisionCuller.GetPossibleColliders(obj).Where(x => x != obj));
// Add tiles collisions
var tileColliders = Map.GetPossibleColliders(obj.GetHitRectangle());
colliders.AddRange(tileColliders);
// At last only return those who intersects
return colliders.Where(x => x.GetHitRectangle().Intersects(obj.GetHitRectangle()) && (x.Blocks(obj) || obj.Blocks(x))).ToList();
}
