////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Excavate a straight corridor run either vertically or horizontally. </summary>
///
/// <remarks>
/// Excavates from (startParallel, perpindicular) to (endParallel, perpindicular) inclusive if
/// fVertical. If not fVertical, swap coordinates. start and end parallel coordinates do not
/// have to be in numerical order. This is a unidirectional function but, as usual, names are
/// named as though dir was vertical. Darrellp, 9/19/2011.
/// </remarks>
///
/// <param name="map"> The map to be excavated. </param>
/// <param name="column"> The perpindicular coordinate. </param>
/// <param name="endRow1"> The starting parallel coordinate. </param>
/// <param name="endRow2"> The ending parallel coordinate. </param>
/// <param name="groom"> The room being prepared for this corridor. </param>
/// <param name="dir"> The direction of the corridor. </param>
////////////////////////////////////////////////////////////////////////////////////////////////////
private static void ExcavateCorridorRun(IRoomsMap map, int column, int endRow1, int endRow2, GenericRoom groom, Dir dir)
{
// We work with small and large coords rather than start and end
int startRow = Math.Min(endRow1, endRow2);
int endRow = Math.Max(endRow1, endRow2);
char floorChar = TerrainFactory.TerrainToChar(TerrainType.Floor);
// Create the starting location
MapCoordinates currentLocation = MapCoordinates.CreateUndirectional(startRow, column, dir);
// For each row in the run
for (int iRow = startRow; iRow <= endRow; iRow++)
{
// Place our terrain
currentLocation[dir] = iRow;
map[currentLocation].Terrain = TerrainType.Floor;
groom[currentLocation] = floorChar;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Excavate a merge between two rooms. </summary>
///
/// <remarks>
/// Names are named as though dir was vertical and dirOther horizontal. Darrellp, 9/22/2011.
/// </remarks>
///
/// <param name="map"> The map. </param>
/// <param name="topRoom"> The top room. </param>
/// <param name="bottomRoom"> The bottom room. </param>
/// <param name="dir"> The dir. </param>
////////////////////////////////////////////////////////////////////////////////////////////////////
private void ExcavateMerge(IRoomsMap map, RectangularRoom topRoom, RectangularRoom bottomRoom, Dir dir)
{
// Get the opposite direction
Dir dirOther = MapCoordinates.OtherDirection(dir);
// Are the rooms unmergable?
if (!CheckOverlap(topRoom, bottomRoom, dirOther))
{
// Should have caught this in MergeTwoRooms - throw exception
throw new RogueException("Non-overlapping rooms made it to ExcavateMerge");
}
// Get the appropriate coordinates
int topRoomsLeft = topRoom.Location[dirOther];
int topRoomsRight = topRoomsLeft + topRoom.Size(dirOther) - 1;
int bottomRoomsLeft = bottomRoom.Location[dirOther];
int bottomRoomsRight = bottomRoomsLeft + bottomRoom.Size(dirOther) - 1;
// Get the high and low points of the overlap
int overlapLeft = Math.Max(topRoomsLeft, bottomRoomsLeft) + 1;
int overlapRight = Math.Min(topRoomsRight, bottomRoomsRight) - 1;
// Create our new merged generic room
GenericRoom groomTop = _mapRoomToGenericRooms[topRoom];
GenericRoom groomBottom = _mapRoomToGenericRooms[bottomRoom];
groomTop.CombineWith(groomBottom);
// For each column in the grid
foreach (RectangularRoom[] roomColumn in _rooms)
{
// For each row in the grid
for (int iRow = 0; iRow < _rooms[0].Length; iRow++)
{
// Get the rect room at that spot
RectangularRoom room = roomColumn[iRow];
// Is it mapped to our defunct bottom room?
if (_mapRoomToGenericRooms[room] == groomBottom)
{
// Map it to our shiny new top room
_mapRoomToGenericRooms[room] = groomTop;
}
}
}
// Get the location we're going to start the clearing at
int topRoomsBottom = topRoom.Location[dir] + topRoom.Size(dir) - 1;
MapCoordinates currentLocation = MapCoordinates.CreateUndirectional(topRoomsBottom, overlapLeft, dir);
char floorChar = TerrainFactory.TerrainToChar(TerrainType.Floor);
// For each spot along the overlap
for (int iCol = overlapLeft; iCol <= overlapRight; iCol++)
{
// Clear out the two walls of the abutting rooms
currentLocation[dirOther] = iCol;
map[currentLocation].Terrain = TerrainType.Floor;
groomTop[currentLocation] = floorChar;
currentLocation[dir] = topRoomsBottom + 1;
map[currentLocation].Terrain = TerrainType.Floor;
groomTop[currentLocation] = floorChar;
currentLocation[dir] = topRoomsBottom;
}
Debug.Assert(groomBottom == groomTop || !_mapRoomToGenericRooms.ContainsValue(groomBottom));
}