/// <summary>
/// Handling explosions.
/// </summary>
/// <param name="cell">Coordinates and eventually value of the cell.</param>
/// <param name="chainEnabled">Boolean value if chain reaction enabled.</param>
/// <param name="chainedBombs">Array for holding chained bombs.</param>
/// <returns>Number of bombs detonated.</returns>
public int Explode(Cell cell, bool chainEnabled, CompositeBomb chainedBombs)
{
var fieldRow = cell.Position.Row;
var fieldCol = cell.Position.Col;
// by default cell comes with coordinates only - ex. ChainReaction
if (cell.Value == 0)
{
cell.Value = this.Grid[fieldRow, fieldCol].Value;
// if no bomb - detonate the cell and exit the method
if (cell.Value == 0)
{
this.Grid[fieldRow, fieldCol].Value = DetonatedCell;
return 0;
}
}
var bomb = new ExplosionStrategy(cell.Value);
var explosion = this.InvertExplosion ? bomb.GetInvertedExplosion() : bomb.GetExplosion();
this.InvertExplosion = false;
var minesExplodedThisRound = 0;
// bomb explodes
for (var explosionRow = -BombRadius; explosionRow <= BombRadius; explosionRow++)
{
for (var explosionCol = -BombRadius; explosionCol <= BombRadius; explosionCol++)
{
if (Validators.IsInBounds(fieldRow + explosionRow, this.Size) &&
Validators.IsInBounds(fieldCol + explosionCol, this.Size))
{
if (explosion[explosionRow + BombRadius, explosionCol + BombRadius] == DetonationSpot)
{
if (this.Grid[fieldRow + explosionRow, fieldCol + explosionCol].Value > EmptyCell)
{
if (chainEnabled)
{
var clonedCell = this.Grid[fieldRow + explosionRow, fieldCol + explosionCol].Clone() as Cell;
chainedBombs.Add(clonedCell);
continue;
}
minesExplodedThisRound++;
}
this.Grid[fieldRow + explosionRow, fieldCol + explosionCol].Value = DetonatedCell;
}
}
}
}
return minesExplodedThisRound;
}
/// <summary>
/// Player shoots in playfield
/// </summary>
/// <returns>Bombs detonated.</returns>
public int TakeAShot()
{
var coordinates = this.input.GetTargetCoordinates();
var chainedBombs = new CompositeBomb();
var bombsDetonated = this.Field.Explode(new Cell(coordinates), this.ChainReactionEnabled, chainedBombs);
if (this.ChainReactionEnabled)
{
this.ChainReactionEnabled = false;
bombsDetonated += chainedBombs.ChainReact(this.Field);
}
return bombsDetonated;
}