78 lines
No EOL
2.7 KiB
C#
78 lines
No EOL
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine.UIElements;
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using Random = System.Random;
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namespace DungeonGenerator
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{
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public class EvenDisperser
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{
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private List<Room> _samples = new List<Room>(){new Room(
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RoomType.Normal,
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1,
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1,
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new Point(1000, 1000))};
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private HashSet<Point> _availablePoints;
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public EvenDisperser(int xLength, int yLength, List<Point> excludedPoints = null)
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{
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_availablePoints = GenerateAvailablePoints(xLength, yLength, excludedPoints ?? new List<Point>());
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}
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private HashSet<Point> GenerateAvailablePoints(int xLength, int yLength, List<Point> excludedPoints)
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{
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HashSet<Point> availablePoints = new HashSet<Point>();
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for (var x = 0; x < xLength; x++)
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{
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for (var y = 0; y < yLength; y++)
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{
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if (!excludedPoints.Contains(new Point(x, y)))
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{
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availablePoints.Add(new Point(x, y));
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}
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}
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}
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return availablePoints;
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}
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public Room GenerateAndPlaceRoom(int xLength, int yLength, RoomType roomType)
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{
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int numCandidates = 100; // Increasing improves results but greatly effects performance.
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Random rnd = new Random();
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Room bestCandidate = new Room(roomType, xLength, yLength, new Point(Int32.MaxValue, Int32.MaxValue));
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int bestDistance = 0;
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for (var i = 0; i < numCandidates; i++)
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{
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var candidate = new Room(
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roomType, xLength, yLength, _availablePoints.ToList()[rnd.Next(0, _availablePoints.Count)]);
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var distance = candidate.GetDistanceToRoom(FindClosestRoom(_samples, candidate));
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if (distance > bestDistance
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&& candidate.GetPointsInRoom().All(room => _availablePoints.Contains(room)))
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{
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_availablePoints.ExceptWith(candidate.GetPointsInRoom());
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bestCandidate = candidate;
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bestDistance = distance;
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}
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}
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_samples.Add(bestCandidate);
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return bestCandidate;
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}
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private Room FindClosestRoom(List<Room> options, Room reference)
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{
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Room closest = options[0];
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foreach (var option in options)
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{
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if (reference.GetDistanceToRoom(option) < reference.GetDistanceToRoom(closest))
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{
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closest = option;
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}
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}
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return closest;
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}
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}
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} |