private Vector3 GetMoveDirection(Vector3 TargetTile)
{
GameField.TileType exclude = GameField.TileType.Wall | GameField.TileType.CageDoor;
if (this._isReturning || this._leavingCage)
{
// We need to be able to pass through the Cage-Door when Returning/Leaving
exclude ^= GameField.TileType.CageDoor;
}
// Where are we?
float shortestDistance = float.MaxValue;
Vector3 nextDirection = Vector3.zero;
Tile currentTile = this._map.GetTileAt(transform.position);
foreach (KeyValuePair <Vector3, Tile> direction in currentTile.Around())
{
if (direction.Key != -this._currentDirection)
{
// It's not the opposite direction
if ((exclude & direction.Value.Type) != direction.Value.Type)
{
// The tile is a valid option:
float distance = Vector3.Distance(direction.Value.Position, TargetTile);
if (distance < shortestDistance)
{
nextDirection = direction.Key;
shortestDistance = distance;
_inTeleporter = (direction.Value.Type == GameField.TileType.Teleporter);
}
}
}
}
// Only turn if we're around the middle of the hallway
if (transform.position.IsCenteredOn(currentTile, this._currentDirection))
{
// Check if we moved to the next field:
if (this._currentTile == this._map.GetTileAt(transform.position))
{
// A change of direction is only allowed once per field!
return(_currentDirection);
}
else
{
this._currentTile = this._map.GetTileAt(transform.position);
this._currentDirection = nextDirection;
}
}
return(this._currentDirection);
}
private void Init(int row, int col)
{
this.Row = row;
this.Column = col;
this.Type = this._map.Map[row][col];
this.Position = new Vector3(
col * this._map.TileSize + (this._map.TileSize / 2),
0,
-(row * this._map.TileSize + (this._map.TileSize / 2))
);
}
