Fixed rooms being created where they would collide with an unavailable point on the map.
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d091a7f745
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3 changed files with 36 additions and 31 deletions
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@ -29,14 +29,13 @@ namespace DungeonGenerator
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EvenDisperser disperser = new EvenDisperser(_xLength, _yLength, _entrancePoints); //TODO calculate L and W from length
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int numberOfMonsterRooms = 7; // TODO: Calculate from ratio
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for (var i = 0; i < numberOfMonsterRooms; i ++)
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{
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Point newSpot = disperser.GetPoint(SIDE_LENGTH_OF_MONSTER, SIDE_LENGTH_OF_MONSTER);
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_monsterRooms.Add(new Room(
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RoomType.Monster,
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_monsterRooms.Add(disperser.GenerateAndPlaceRoom(
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SIDE_LENGTH_OF_MONSTER,
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SIDE_LENGTH_OF_MONSTER,
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SIDE_LENGTH_OF_MONSTER,
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newSpot));
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RoomType.Monster));
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}
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}
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@ -1,5 +1,6 @@
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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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@ -7,17 +8,21 @@ namespace DungeonGenerator
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{
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public class EvenDisperser
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{
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private List<Point> _samples = new List<Point>(){new Point(1,1)};
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private List<Point> _availablePoints;
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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 List<Point> GenerateAvailablePoints(int xLength, int yLength, List<Point> excludedPoints)
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private HashSet<Point> GenerateAvailablePoints(int xLength, int yLength, List<Point> excludedPoints)
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{
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List<Point> availablePoints = new List<Point>();
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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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@ -32,21 +37,21 @@ namespace DungeonGenerator
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return availablePoints;
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}
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// Can place point so that the x lengt hand y length go out of bounds to the right and down.
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public Point GetPoint(int xLength, int yLength)
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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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int randomIndex = rnd.Next(0, _availablePoints.Count);
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Point bestCandidate = new Point(Int32.MaxValue, Int32.MaxValue);
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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 = _availablePoints[randomIndex];
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var distance = candidate.ManhattanDistance(FindClosest(_samples, candidate));
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if (distance > bestDistance)
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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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RemoveArea(candidate, xLength, yLength, _availablePoints);
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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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@ -56,12 +61,12 @@ namespace DungeonGenerator
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return bestCandidate;
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}
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private Point FindClosest(List<Point> options, Point reference)
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private Room FindClosestRoom(List<Room> options, Room reference)
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{
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Point closest = options[0];
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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.ManhattanDistance(option) < reference.ManhattanDistance(closest))
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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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@ -69,16 +74,5 @@ namespace DungeonGenerator
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return closest;
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}
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private void RemoveArea(Point topLeft, int xLength, int yLength, List<Point> availablePoints)
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{
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for (var x = topLeft.X; x < topLeft.X + xLength; x++)
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{
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for (var y = topLeft.Y; y < topLeft.Y + yLength; y++)
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{
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availablePoints.Remove(new Point(x, y));
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}
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}
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}
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}
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}
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@ -37,5 +37,17 @@ namespace DungeonGenerator
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return points;
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}
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public int GetDistanceToRoom(Room other)
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{
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Point centerOfRoom = GetCenterOfRoom();
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Point centerOfOther = other.GetCenterOfRoom();
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return centerOfRoom.ManhattanDistance(centerOfOther);
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}
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public Point GetCenterOfRoom()
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{
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return new Point(PositionOfTopLeft.X + Width / 2, PositionOfTopLeft.Y + Height / 2);
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}
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}
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}
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