public bool ShouldRender(int renderDistance)
{
return(Pos.DistanceTo(SharpCraft.Instance.Camera.Pos.Xz) < renderDistance * ChunkSize);
}
/// <summary>
/// Method that implements the AI movement of the minion and boss
/// entities.
/// </summary>
/// <param name="board">Reference to the level's board.</param>
/// <returns>A coord which represents where the enemy should move.
/// </returns>
public override Coord WhereToMove(Board board)
{
Entity target = null;
Entity[,] level = board.CurrentBoard;
// Finds player location on board
foreach (Entity e in level)
{
if (e != null)
{
if (e.kind == EntityKind.Player)
{
target = e;
continue;
}
}
}
// Stores current distance to target
int distanceToTarget = Pos.DistanceTo(target.Pos);
// Creates a list with every direction
List <Direction> PossibleDirections = new List <Direction>();
PossibleDirections.Add(Direction.Up);
PossibleDirections.Add(Direction.Right);
PossibleDirections.Add(Direction.Down);
PossibleDirections.Add(Direction.Left);
// Creates list of shorter paths, and all possible moves
List <Direction> legalMoves = new List <Direction>();
List <Direction> shorterPaths = new List <Direction>();
// For every direction, verifies if the move is legal
foreach (Direction d in PossibleDirections)
{
// Gets the destination
Coord dest = board.GetNeighbor(Pos, d);
// Verifies if it is on board and not obstructed
if (board.IsOnBoard(dest) && !board.IsObstructed(dest) &&
!board.IsExit(dest))
{
// Adds it to the legalMoves list
legalMoves.Add(d);
// Verifies if it shortens the path to player
int newDistanceToTarget = dest.DistanceTo(target.Pos);
if (newDistanceToTarget < distanceToTarget)
{
shorterPaths.Add(d);
}
}
}
// Returns possible destiny in which the distance is shorter, if it
// exists
if (shorterPaths.Count > 0)
{
int random = Game.rand.Next(shorterPaths.Count);
return(board.GetNeighbor(Pos, shorterPaths[random]));
}
// If no path shortens the distance to target, returns a random
// possible destiny
if (legalMoves.Count > 0)
{
int random = Game.rand.Next(legalMoves.Count);
return(board.GetNeighbor(Pos, legalMoves[random]));
}
// If there is no possible direction to move, stays at same position
return(Pos);
}