/********************
* Door creation
********************/
public void CreateDoors(VirtualMap map, VirtualRoom r, RoomGenerator roomGenerator)
{
// Create a list of border floors (close to the borders of the room)
List <CellLocation> borderFloors = new List <CellLocation>();
for (int i = 0; i < r.Width; i++)
{
for (int j = 0; j < r.Height; j++)
{
if (i == 0 || j == 0 || i == r.Width - 1 || j == r.Height - 1)
{
CellLocation l = new CellLocation(r.leftCorner.x + 2 * i, r.leftCorner.y + 2 * j);
borderFloors.Add(l);
}
}
}
// For each border floor, check if we are connecting to something on the other side
List <CellLocation> outsideBorderFloors = new List <CellLocation>();
List <CellLocation> insideBorderFloors = new List <CellLocation>();
List <VirtualMap.DirectionType> borderDirections = new List <VirtualMap.DirectionType>();
CellLocation target_passage;
CellLocation target_floor;
foreach (CellLocation l in borderFloors)
{
foreach (VirtualMap.DirectionType dir in map.directions)
{
target_passage = map.GetNeighbourCellLocation(l, dir);
target_floor = map.GetTargetLocation(l, dir);
if (!map.LocationIsOutsideBounds(target_floor) &&
map.GetCell(target_passage).IsWall() &&
!map.IsSurroundedByWalls(target_floor))
{
outsideBorderFloors.Add(target_floor);
insideBorderFloors.Add(l);
borderDirections.Add(dir);
}
}
}
// We now create a door for each outside border floor, making sure to avoid re-creating doors if the floors are already connected
List <CellLocation> unremovedFloors = new List <CellLocation>(outsideBorderFloors);
for (int i = 0; i < outsideBorderFloors.Count; i++)
{
CellLocation l = outsideBorderFloors[i];
// If not already removed (but we may not skip if we request more doors than needed)
if (unremovedFloors.Contains(l) || DungeonGenerator.Random.Instance.Next(0, 100) < doorsDensityModifier)
{
CreateDoor(map, r, roomGenerator, insideBorderFloors[i], l, borderDirections[i]);
unremovedFloors.Remove(l);
// We also remove the other connected cells
for (int j = unremovedFloors.Count - 1; j >= 0; j--)
{
CellLocation other_l = unremovedFloors[j];
bool existsPath = map.ExistsPathBetweenLocations(l, other_l);
if (existsPath)
{
unremovedFloors.Remove(other_l);
}
}
}
}
}
