/// <summary>
/// Copy constructor
/// </summary>
/// <param name="field">Field</param>
internal Field(IField field)
{
if (field == null)
{
cells = new ECell[width * height];
}
else
{
SelectedBlock = field.SelectedBlock;
SelectedBlockPositionX = field.SelectedBlockPositionX;
SelectedBlockPositionY = field.SelectedBlockPositionY;
SelectedBlockRotation = field.SelectedBlockRotation;
cells = new ECell[field.Width * field.Height];
field.CopyCellsTo(cells, false);
}
}
/// <summary>
/// Rotate block
/// </summary>
/// <param name="blockCells">Block cells</param>
/// <param name="blockRotation">Block rotation</param>
/// <returns>ROtated block cells</returns>
private static ECell[,] RotateBlock(ECell[,] blockCells, EBlockRotation blockRotation)
{
ECell[,] ret = null;
switch (blockRotation)
{
case EBlockRotation.ZeroDegree:
ret = blockCells;
break;
case EBlockRotation.NinetyDegree:
ret = new ECell[blockCells.GetLength(1), blockCells.GetLength(0)];
for (int x = 0, y, x_len = ret.GetLength(0), y_len = ret.GetLength(1); x < x_len; x++)
{
for (y = 0; y < y_len; y++)
{
ret[x, y_len - y - 1] = blockCells[y, x];
}
}
break;
case EBlockRotation.OneHundredEightyDegree:
ret = new ECell[blockCells.GetLength(0), blockCells.GetLength(1)];
for (int x = 0, y, x_len = ret.GetLength(0), y_len = ret.GetLength(1); x < x_len; x++)
{
for (y = 0; y < y_len; y++)
{
ret[x_len - x - 1, y_len - y - 1] = blockCells[x, y];
}
}
break;
case EBlockRotation.TwoHundredSeventyDegree:
ret = new ECell[blockCells.GetLength(1), blockCells.GetLength(0)];
for (int x = 0, y, x_len = ret.GetLength(0), y_len = ret.GetLength(1); x < x_len; x++)
{
for (y = 0; y < y_len; y++)
{
ret[x_len - x - 1, y] = blockCells[y, x];
}
}
break;
}
return(ret);
}
/// <summary>
/// Turn block
/// </summary>
/// <param name="turnLeft">Turn left</param>
/// <returns>"true" if successful, otherwise "false"</returns>
private bool TurnBlock(bool turnLeft)
{
bool ret = false;
Field field = user.FieldInternal;
if (field.SelectedBlock != EBlock.Nothing)
{
EBlockRotation block_rotation = (EBlockRotation)(((int)(field.SelectedBlockRotation) + (turnLeft ? 1 : 3)) % blockRotationCount);
ECell[] field_cells = new ECell[Field.width * Field.height];
ECell[,] block_cells = GetBlockCells(field.SelectedBlock, block_rotation);
int x_origin = (int)(field.SelectedBlockPositionX);
int y_origin = (int)(field.SelectedBlockPositionY);
if (field.CopyCellsTo(field_cells, false))
{
ret = CheckCells(field_cells, block_cells, x_origin, y_origin);
if (ret)
{
field.SelectedBlockRotation = block_rotation;
}
}
}
return(ret);
}
/// <summary> /// Get block cells /// </summary> /// <param name="block">Block</param> /// <param name="blockRotation">Block rotation</param> /// <returns>Block cells</returns> internal static ECell[,] GetBlockCells(EBlock block, EBlockRotation blockRotation) => blocksCells[(int)block][(int)blockRotation];
