public bool CanPlaceBlackStone(Field field)
{
return field.IsEmpty && FieldIsInMiddleRows(field) && FieldIsInMiddleColumns(field);
}
public Tuple<int, int> GetCoordinates(Field field)
{
int row = field.Id/ColumnCount;
int column = field.Id%ColumnCount;
return Tuple.Create(row, column);
}
private Field GetNewField(int row, int col)
{
int index = GetFieldIndex(row, col);
var field = new Field(index, row, col);
if (IsCentralField(row, col))
{
field.PlaceWhiteStone();
_whiteField = field;
}
return field;
}
private void UpdateField(Field field)
{
var fieldToUpdate = _fieldMap[field.Id];
fieldToUpdate.Stone = field.Stone;
fieldToUpdate.Selected = field.Selected;
_blackFields.Remove(fieldToUpdate);
if(fieldToUpdate.HasWhiteStone)
{
_whiteField = fieldToUpdate;
}else
{
if(fieldToUpdate.HasBlackStone)
{
_blackFields.Add(fieldToUpdate);
}
}
}
private bool FieldIsInMiddleRows(Field field)
{
return field.IsInMiddleRows(RowCount);
}
private bool FieldIsInMiddleColumns(Field field)
{
return field.IsInMiddleColumns(ColumnCount);
}
public IStoneJumper GetStoneJumper(Field fromfield, Field toField)
{
return new StoneJumper(_fieldsGraph, fromfield, toField);
}
public bool CanPlaceBlackStone(Field field)
{
return _fieldsGraph.CanPlaceBlackStone(field);
}
public bool Equals(Field other)
{
if (ReferenceEquals(null, other)) return false;
if (ReferenceEquals(this, other)) return true;
return other._id == _id;
}
