InjectTileRange.cs

using DunGen;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// Injects multiple tiles from a TileSet (between MinCount - MaxCount)
/// Tiles can appear anywhere throughout the dungeon
/// </summary>
public class InjectTileRange : MonoBehaviour
{
	public TileSet TileSet = null;
	public int MinCount = 1;
	public int MaxCount = 3;


	private void Start()
	{
		var runtimeDungeon = FindObjectOfType<RuntimeDungeon>();
		var generator = runtimeDungeon.Generator;

		generator.TileInjectionMethods += InjectTiles;
	}

	private void InjectTiles(System.Random randomStream, ref List<InjectedTile> tilesToInject)
	{
		// Required tiles
		for (int i = 0; i < MinCount; i++)
			InjectSingleTile(randomStream, ref tilesToInject, true);

		// Optional tiles
		int optionalTileCount = MaxCount - MinCount;
		for (int i = 0; i < optionalTileCount; i++)
			InjectSingleTile(randomStream, ref tilesToInject, false);
	}

	private void InjectSingleTile(System.Random randomStream, ref List<InjectedTile> tilesToInject, bool isRequired)
	{
		// Just allow the tile to appear anywhere in the dungeon
		bool isOnMainPath = randomStream.NextDouble() < 0.5; // Equal chance to appear on main or branch path
		float pathDepth = (float)randomStream.NextDouble(); // 0-1
		float branchDepth = (float)randomStream.NextDouble(); // 0-1

		var tile = new InjectedTile(TileSet, isOnMainPath, pathDepth, branchDepth, isRequired);
		tilesToInject.Add(tile);
	}
}