Uses the new API in DunGen 2.14 beta to force certain rooms to connect to oneanother via a specific doorway socket

LargeRoomConnectionRule.cs

using DunGen;
using DunGen.Tags;
using UnityEngine;

public class LargeRoomConnectionRule : MonoBehaviour
{
	public DoorwaySocket LargeSocket = null;
	public Tag LargeRoomTag;

	private TileConnectionRule rule;


	private void OnEnable()
	{
		rule = new TileConnectionRule(CanTilesConnect);
		DoorwayPairFinder.CustomConnectionRules.Add(rule);
	}

	private void OnDisable()
	{
		DoorwayPairFinder.CustomConnectionRules.Remove(rule);
		rule = null;
	}

	private TileConnectionRule.ConnectionResult CanTilesConnect(Tile tileA, Tile tileB, Doorway doorwayA, Doorway doorwayB)
	{
		// Check if the two tiles are large. This is using DunGen's tag system, but we could
		// also check the tile names, or look for a specific component
		bool tileAIsLarge = tileA.Tags.HasTag(LargeRoomTag);
		bool tileBIsLarge = tileB.Tags.HasTag(LargeRoomTag);

		// Are we interested in this connection?...
		if (tileAIsLarge && tileBIsLarge)
		{
			// If both sockets are large, allow the connection, otherwise deny
			if (doorwayA.Socket == doorwayB.Socket && doorwayA.Socket == LargeSocket)
				return TileConnectionRule.ConnectionResult.Allow;
			else
				return TileConnectionRule.ConnectionResult.Deny;
		}
		// ...if not, pass it on to be handled later
		else
			return TileConnectionRule.ConnectionResult.Passthrough;
	}
}