private Room generateRoom(CardinalPoint lastCorridorDirection, Corridor lastCorr, IntInRangePicker roomSizePicker, CellInRangePicker cellInRangePicker)
{
int roomRows = roomSizePicker.draw();
int roomCols = roomSizePicker.draw();
Grid grid = new Grid(roomRows, roomCols);
Cell topLeftCell = null;
if (lastCorridorDirection == CardinalPoint.NORD)
{
Cell topLeftVertexMax = lastCorr.topLeftVertex().minusSize(roomRows, 0);
Cell topLeftVertexMin = topLeftVertexMax.minusCell(0, roomCols - lastCorr.width());
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(0, 1);
Cell excludeTwo = topLeftVertexMax.minusCell(0, 1);
topLeftCell = cellInRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
else if (lastCorridorDirection == CardinalPoint.EST)
{
Cell topLeftVertexMax = lastCorr.topRightVertex();
Cell topLeftVertexMin = topLeftVertexMax.minusCell(roomRows - lastCorr.height(), 0);
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(1, 0);
Cell excludeTwo = topLeftVertexMax.minusCell(1, 0);
topLeftCell = cellInRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
else if (lastCorridorDirection == CardinalPoint.SUD)
{
Cell topLeftVertexMax = lastCorr.bottomLeftVertex();
Cell topLeftVertexMin = topLeftVertexMax.minusCell(0, roomCols - lastCorr.width());
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(0, 1);
Cell excludeTwo = topLeftVertexMax.minusCell(0, 1);
topLeftCell = cellInRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
else if (lastCorridorDirection == CardinalPoint.WEST)
{
Cell topLeftVertexMax = lastCorr.topLeftVertex().minusSize(0, roomCols);
Cell topLeftVertexMin = topLeftVertexMax.minusCell(roomRows - lastCorr.height(), 0);
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(1, 0);
Cell excludeTwo = topLeftVertexMax.minusCell(1, 0);
topLeftCell = cellInRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
return(new Room(topLeftCell, grid));
}
private Corridor generateCorridor(CardinalPoint mapDirection, Room lastRoom, IntInRangePicker corrLengthPicker, IntInRangePicker corrWidthPicker, CellInRangePicker cellRangePicker)
{
int corridorLenght = corrLengthPicker.draw();
int corridorSection = corrWidthPicker.draw();
Corridor.Orientation corrOrient = 0;
Grid grid = null;
Cell topLeftCell = lastRoom.topLeftVertex();
if (mapDirection == CardinalPoint.NORD)
{
grid = new Grid(corridorLenght, corridorSection);
corrOrient = Corridor.Orientation.vertical;
Cell topLeftVertexMin = lastRoom.topLeftVertex().minusSize(corridorLenght, 0);
Cell topLeftVertexMax = topLeftVertexMin.plusCell(0, lastRoom.width() - corridorSection);
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(0, 1);
Cell excludeTwo = topLeftVertexMax.minusCell(0, 1);
topLeftCell = cellRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
else if (mapDirection == CardinalPoint.EST)
{
grid = new Grid(corridorSection, corridorLenght);
corrOrient = Corridor.Orientation.horizontal;
Cell topLeftVertexMin = lastRoom.topRightVertex();
Cell topLeftVertexMax = topLeftVertexMin.plusCell(lastRoom.height() - corridorSection, 0);
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(1, 0);
Cell excludeTwo = topLeftVertexMax.minusCell(1, 0);
topLeftCell = cellRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
else if (mapDirection == CardinalPoint.SUD)
{
grid = new Grid(corridorLenght, corridorSection);
corrOrient = Corridor.Orientation.vertical;
Cell topLeftVertexMin = lastRoom.bottomLeftVertex();
Cell topLeftVertexMax = topLeftVertexMin.plusCell(0, lastRoom.width() - corridorSection);
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(0, 1);
Cell excludeTwo = topLeftVertexMax.minusCell(0, 1);
topLeftCell = cellRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
else if (mapDirection == CardinalPoint.WEST)
{
grid = new Grid(corridorSection, corridorLenght);
corrOrient = Corridor.Orientation.horizontal;
Cell topLeftVertexMin = lastRoom.topLeftVertex().minusSize(0, corridorLenght);
Cell topLeftVertexMax = topLeftVertexMin.plusCell(lastRoom.height() - corridorSection, 0);
//Excluding cells to avoid Inward and Outward Corner Walls Overlapping
Cell excludeOne = topLeftVertexMin.plusCell(1, 0);
Cell excludeTwo = topLeftVertexMax.minusCell(1, 0);
topLeftCell = cellRangePicker.drawBetweenWithExclusion(topLeftVertexMin, topLeftVertexMax, excludeOne, excludeTwo);
_logger.info("Min: " + topLeftVertexMin + " Max: " + topLeftVertexMax + " Selected: " + topLeftCell + " Exclusions: " + excludeOne + " - " + excludeTwo);
}
return(new Corridor(topLeftCell, grid, corrOrient));
}
public virtual Board asBoard()
{
checkConstraints();
if (!isBoardCleared())
{
return(_board);
}
//_board = new Board(_mapRows, _mapColumns);
_board = new Board(_mapRows - _mapMargin * 2, _mapColumns - _mapMargin * 2);
//IPickerStrategy seedStrategy = new RandomSeededPickerStrategy(_seed);
CustomSeededPickerStrategy seedStrategy = new CustomSeededPickerStrategy(_seed);
seedStrategy.setLogger(_logger);
IntInRangePicker roomNumberPicker = new IntInRangePicker(_roomsNumberMin, _roomsNumberMax, seedStrategy);
IntInRangePicker roomSizePicker = new IntInRangePicker(_roomSizeMin, _roomSizeMax, seedStrategy);
IntInRangePicker corrLengthPicker = new IntInRangePicker(_corridorLengthMin, _corridorLengthMax, seedStrategy);
IntInRangePicker corrWidthPicker = new IntInRangePicker(_corridorWidthMin, _corridorWidthMax, seedStrategy);
CardinalPointPicker cardPointPicker = new CardinalPointPicker(seedStrategy);
CellInRangePicker cellRangePicker = new CellInRangePicker(seedStrategy);
int roomNumber = roomNumberPicker.draw();
if (roomNumber < 1)
{
_logger.warning("Room number should be at least 1. Instead is: " + roomNumber);
return(_board);
}
Grid grid = new Grid(roomSizePicker.draw(), roomSizePicker.draw());
Cell topLeftVertexMin = new Cell(0, 0);
Cell topLeftVertexMax = new Cell(_board.rows() - 1, _board.cols() - 1).minusSize(grid.rows(), grid.columns());
Cell topLeftCell = cellRangePicker.drawBetween(topLeftVertexMin, topLeftVertexMax);
Room lastRoom = new Room(topLeftCell, grid);
if (!_board.fitsIn(lastRoom))
{
_logger.error("First room not fit in. This should never happen");
return(_board);
}
_logger.info("OK: " + lastRoom);
_board.addRoom(lastRoom);
CardinalPoint lastDirection = 0;
int roomCreationAttempt = 1;
for (int i = 1; i < roomNumber; i++)
{
//If room and corridor has not been dropped, pick random direction
if (roomCreationAttempt == 1)
{
lastDirection = cardPointPicker.draw();
}
else //else force to next direction
{
lastDirection = cardPointPicker.nextClockwise(lastDirection);
}
//Try to create a Corridor on a direction if there is enough space
int cardinalPointAttempt = 1;
Corridor lastCorridor = null;
do
{
lastCorridor = generateCorridor(lastDirection, lastRoom, corrLengthPicker, corrWidthPicker, cellRangePicker);
if (!_board.fitsIn(lastCorridor))
{
_logger.info("NO FITS: " + lastCorridor + " " + lastDirection);
lastCorridor = null;
cardinalPointAttempt++;
lastDirection = cardPointPicker.nextClockwise(lastDirection);
}
} while (cardinalPointAttempt <= 4 && lastCorridor == null);
//If no corridor has been created, then terminate the algorithm
if (lastCorridor == null)
{
_logger.warning("PROCEDURAL GENERATION INTERRUPTED: No more chance for a Corridor to fit in");
break;
}
_logger.info("OK: " + lastCorridor + " " + lastDirection);
_board.addCorridor(lastCorridor);
//Try to create a room. If there is enough space retry (until 4 times) restarting from a new corridor
Room newRoom = generateRoom(lastDirection, lastCorridor, roomSizePicker, cellRangePicker);
if (!_board.fitsIn(newRoom))
{
_board.removeLast(); //remove last item added to the board (a corridor in this case)
if (roomCreationAttempt <= 4)
{
_logger.info("NO FITS: " + newRoom + " Retry: " + roomCreationAttempt);
roomCreationAttempt++;
i--;
continue;
}
else
{
_logger.warning("PROCEDURAL GENERATION INTERRUPTED: No more chance for a Room to fit in");
break;
}
}
else
{
_logger.info("OK: " + newRoom + " Retry: " + roomCreationAttempt);
lastRoom = newRoom;
roomCreationAttempt = 1;
_board.addRoom(lastRoom);
}
}
if (_mapMargin > 0)
{
_board = _board.resize(_mapMargin);
}
if (_mapCropEnabled)
{
_board = _board.crop(_mapMargin);
}
return(_board);
}
