internal RoomBlocks DecideLayout(int numBlocks)
{
numBlocks.ThrowIfBelow(2, nameof(numBlocks));
var blocks = new RoomBlocks(numBlocks);
var point = RandomCoordinates(blocks);
blocks[point] = true;
--numBlocks;
while (numBlocks > 0)
{
if (!blocks[point] && blocks.IsTouchingAnyBlock(point))
{
blocks[point] = true;
if (--numBlocks == 0)
{
continue;
}
}
if (blocks.IsCornered(point) || !blocks.IsTouchingAnyBlock(point))
{
point = RandomCoordinates(blocks);
}
else
{
point = RandomWalkCoordinates(blocks, point);
}
}
return(blocks);
}
internal Room(RoomBlocks blocks, DispatchRegistry registry, IRandomNumberGenerator randomNumbers, int tilesPerBlock)
: base(Coordinate.NotSet, registry)
{
blocks.ThrowIfNull(nameof(blocks));
randomNumbers.ThrowIfNull(nameof(randomNumbers));
_randomNumbers = randomNumbers;
Tiles = new RoomTiles(blocks.RowUpperBound, blocks.ColumnUpperBound, tilesPerBlock, Registry, _randomNumbers);
}
private Coordinate RandomCoordinates(RoomBlocks blocks)
{
Coordinate point;
do
{
point = new Coordinate(
_randomNumberGenerator.Dice(blocks.RowUpperBound),
_randomNumberGenerator.Dice(blocks.ColumnUpperBound)
);
} while (!blocks.IsInside(point));
return(point);
}
private Coordinate RandomWalkCoordinates(RoomBlocks blocks, Coordinate point)
{
Coordinate nextPoint;
Compass4Points randomDirection;
do
{
randomDirection = _randomNumberGenerator.Enum <Compass4Points>();
nextPoint = point.Move(randomDirection);
} while (!blocks.IsInside(nextPoint));
_logger.Debug($"From Point [{point}] go [{randomDirection.ToString()}] to [{nextPoint}]");
return(nextPoint);
}
internal Room PopulateWithSpace(RoomBlocks blocks)
{
var emptyTiles = new List <(string Name, Coordinate Coordinates)>();
for (var blockRow = 0; blockRow <= blocks.RowUpperBound; blockRow++)
{
for (var blockCol = 0; blockCol <= blocks.ColumnUpperBound; blockCol++)
{
var coordinate = new Coordinate(blockRow, blockCol);
if (blocks[coordinate])
{
var blockOfEmptyTiles = Tiles.PopulateBlock(blockRow, blockCol);
emptyTiles.AddRange(blockOfEmptyTiles);
}
}
}
return(Clone(emptyTiles.ToTilesState()));
}