Crawler.cs

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using System;
using System.Collections.Generic;
using UnityEngine;
 
public class Crawler : EScriptable
{
    public class Member
    {
        public Point pos = new Point();
 
        public int life;
    }
 
    public class Result
    {
        public List<Point> points = new List<Point>();
    }
 
    public enum MoveType
    {
        Surface,
        Block
    }
 
    public enum StartType
    {
        Surface,
        Block
    }
 
    public static int[,] mapping = new int[0, 0];
 
    public static int sync;
 
    public int life;
 
    public int member;
 
    public int radius;
 
    public int repeat;
 
    public bool stickToStartBiome;
 
    public bool skipBorder;
 
    public StartType startType;
 
    public MoveType moveType;
 
    [NonSerialized]
    public int Size;
 
    [NonSerialized]
    public List<Member> members = new List<Member>();
 
    public bool CrawlUntil(Map map, Func<Point> onStart, int tries, Func<Result, bool> canComplete, Action onFail = null)
    {
        if (tries <= 0)
        {
            return false;
        }
        for (int i = 0; i < tries; i++)
        {
            bool flag = false;
            for (int j = 0; j < 100; j++)
            {
                Point point = onStart();
                switch (startType)
                {
                case StartType.Surface:
                    if (!point.HasBlock)
                    {
                        flag = true;
                    }
                    break;
                case StartType.Block:
                    if (point.sourceBlock.tileType.IsFullBlock && point.Installed == null)
                    {
                        flag = true;
                    }
                    break;
                }
            }
            if (!flag)
            {
                continue;
            }
            Result arg = Crawl(map, onStart());
            if (canComplete(arg))
            {
                if (i > 0)
                {
                    Debug.Log("CrawlUntil Complete:" + i);
                }
                return true;
            }
        }
        if (onFail != null)
        {
            Debug.Log("CrawlUntil Fail" + tries);
            onFail?.Invoke();
        }
        return false;
    }
 
    public void Crawl(Map map)
    {
        for (int i = 0; (float)i < map.sizeModifier * (float)repeat + 1f; i++)
        {
            Crawl(map, map.GetRandomSurface(), delegate(Point p)
            {
                p.cell.biome.Populate(p);
            });
        }
    }
 
    public Result Crawl(Map map, Point _start, Action<Point> onNewVisit = null)
    {
        if (members.Count == 0)
        {
            for (int i = 0; i < this.member; i++)
            {
                members.Add(new Member());
            }
        }
        Point point = _start.Copy();
        point.Clamp();
        Result result = new Result();
        BiomeProfile biome = point.cell.biome;
        sync++;
        Size = map.Size;
        int num = (skipBorder ? 2 : 0);
        int num2 = (skipBorder ? (Size - 2) : Size);
        if (mapping.Length != Size)
        {
            mapping = new int[map.Size, map.Size];
        }
        foreach (Member member2 in members)
        {
            member2.pos.Set(point);
            member2.life = life;
        }
        for (int j = 0; j < life; j++)
        {
            for (int k = 0; k < members.Count; k++)
            {
                Member member = members[k];
                int num3 = EScriptable.rnd(3) - 1;
                int num4 = EScriptable.rnd(3) - 1;
                int num5 = member.pos.x + num3;
                int num6 = member.pos.z + num4;
                if (point.Distance(num5, num6) > radius || num5 < num || num6 < num || num5 >= num2 || num6 >= num2)
                {
                    continue;
                }
                Cell cell = map.cells[num5, num6];
                if (stickToStartBiome && cell.biome != biome)
                {
                    continue;
                }
                switch (moveType)
                {
                case MoveType.Surface:
                    if (cell._block != 0 || cell.IsTopWater)
                    {
                        continue;
                    }
                    break;
                case MoveType.Block:
                    if (cell._block == 0 || !cell.sourceBlock.tileType.IsFullBlock || cell.Installed != null)
                    {
                        continue;
                    }
                    break;
                }
                member.pos.Set(num5, num6);
                if (mapping[num5, num6] != sync)
                {
                    mapping[num5, num6] = sync;
                    Point point2 = member.pos.Copy();
                    result.points.Add(point2);
                    onNewVisit?.Invoke(point2);
                }
            }
        }
        return result;
    }
 
    public static Crawler Create(string id)
    {
        return ResourceCache.Load<Crawler>("World/Map/Crawler/crawler " + id);
    }
}