public override IsaacRoomLayout GenerateLayout(IsaacRoom room, System.Random random, int roomWidth, int roomHeight)
{
var doors = room.doorPositions;
var layout = new IsaacRoomLayout();
layout.InitializeTiles(roomWidth, roomHeight, IsaacRoomTileType.Empty);
if (doors.Count > 1)
{
for (int i = 0; i < doors.Count; i++)
{
for (int j = i + 1; j < doors.Count; j++)
{
var brushSize = random.Range(minBrushSize, maxBrushSize + 1);
ConnectDoors(layout, doors[i], doors[j], brushSize);
}
}
}
else
{
var brushSize = random.Range(minBrushSize, maxBrushSize + 1);
ConnectDoors(layout, doors[0], doors[0], brushSize);
}
return(layout);
}
public IsaacRoom CreateRoom(IntVector position)
{
var room = new IsaacRoom();
room.roomId = idCounter++;
room.position = position;
return(room);
}
void ConnectRoomsWithDoors(IsaacRoom roomA, IsaacRoom roomB)
{
// Create a door between the two rooms
roomA.adjacentRooms.Add(roomB.roomId);
roomB.adjacentRooms.Add(roomA.roomId);
float doorPositionRatio = random.NextFloat();
CreateDoor(roomA, roomB, doorPositionRatio);
}
void GenerateRoomLayout(IsaacRoomLayoutBuilder layoutBuilder, IsaacRoom room)
{
IsaacRoomLayout layout;
if (layoutBuilder == null)
{
layout = GenerateEmptyRoomLayout();
}
else
{
layout = layoutBuilder.GenerateLayout(room, random, isaacConfig.roomWidth, isaacConfig.roomHeight);
}
room.layout = layout;
}
void CreateDoor(IsaacRoom roomA, IsaacRoom roomB, float ratio)
{
var door = new IsaacDoor();
door.roomA = roomA.roomId;
door.roomB = roomB.roomId;
door.ratio = ratio;
doors.Add(door);
// Create the door tile
var roomWidth = isaacConfig.roomWidth;
var roomHeight = isaacConfig.roomHeight;
bool horizontal = (roomA.position.z - roomB.position.z) == 0; // Are the two room horizontal
var size = horizontal ? isaacConfig.roomHeight : isaacConfig.roomWidth;
var location1D = Mathf.FloorToInt(size * door.ratio);
var leftRoom = roomA;
var rightRoom = roomB;
if (horizontal && leftRoom.position.x > rightRoom.position.x)
{
// Swap
leftRoom = roomB;
rightRoom = roomA;
}
else if (!horizontal && leftRoom.position.z > rightRoom.position.z)
{
// Swap
leftRoom = roomB;
rightRoom = roomA;
}
IntVector leftRoomDoor;
IntVector rightRoomDoor;
if (horizontal)
{
leftRoomDoor = new IntVector(roomWidth, 0, location1D);
rightRoomDoor = new IntVector(-1, 0, location1D);
}
else
{
leftRoomDoor = new IntVector(location1D, 0, roomHeight);
rightRoomDoor = new IntVector(location1D, 0, -1);
}
leftRoom.doorPositions.Add(leftRoomDoor);
rightRoom.doorPositions.Add(rightRoomDoor);
}
void AddNextRoomNode(IsaacRoomFactory roomFactory,
Queue <LevelGrowthNode> queue, HashSet <IntVector> visited, int maxRooms,
IsaacRoom parentRoom, int direction, float probability)
{
if (random.NextFloat() > probability)
{
return;
}
if (rooms.Count >= maxRooms)
{
return;
}
var nextPosition = parentRoom.position + directions[direction];
if (!visited.Contains(nextPosition))
{
var nextRoom = roomFactory.CreateRoom(nextPosition);
rooms.Add(nextRoom);
var nextNode = new LevelGrowthNode();
nextNode.room = nextRoom;
nextNode.moveDirection = direction;
queue.Enqueue(nextNode);
visited.Add(nextPosition);
// Create a door between the two rooms
ConnectRoomsWithDoors(parentRoom, nextRoom);
}
else
{
// See if we can connect to the other room
// first make sure we don't already have a connection between the two
var nextRoom = GetRoomAt(nextPosition);
if (!ContainsDoorBetween(parentRoom.roomId, nextRoom.roomId))
{
float loopTest = random.NextFloat();
if (loopTest < isaacConfig.cycleProbability)
{
// Connect the two rooms together
if (nextRoom != null)
{
// Create a door between the two rooms
ConnectRoomsWithDoors(parentRoom, nextRoom);
}
}
}
}
}
public static bool ContainsDoorAt(int x, int z, IsaacRoom room)
{
return(room.doorPositions.Contains(new IntVector(x, 0, z)));
}
public abstract IsaacRoomLayout GenerateLayout(IsaacRoom room, System.Random random, int roomWidth, int roomHeight);
