TreeTopsInfo.cs

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using System.IO;
using Microsoft.Xna.Framework;
using Terraria.Utilities;
 
namespace Terraria.GameContent;
 
public class TreeTopsInfo
{
    public class AreaId
    {
        public const int Forest1 = 0;
 
        public const int Forest2 = 1;
 
        public const int Forest3 = 2;
 
        public const int Forest4 = 3;
 
        public const int Corruption = 4;
 
        public const int Jungle = 5;
 
        public const int Snow = 6;
 
        public const int Hallow = 7;
 
        public const int Crimson = 8;
 
        public const int Desert = 9;
 
        public const int Ocean = 10;
 
        public const int GlowingMushroom = 11;
 
        public const int Underworld = 12;
 
        public static readonly int Count = 13;
    }
 
    private int[] _variations = new int[AreaId.Count];
 
    public void Save(BinaryWriter writer)
    {
        writer.Write(_variations.Length);
        for (int i = 0; i < _variations.Length; i++)
        {
            writer.Write(_variations[i]);
        }
    }
 
    public void Load(BinaryReader reader, int loadVersion)
    {
        if (loadVersion < 211)
        {
            CopyExistingWorldInfo();
            return;
        }
        int num = reader.ReadInt32();
        for (int i = 0; i < num && i < _variations.Length; i++)
        {
            _variations[i] = reader.ReadInt32();
        }
    }
 
    public void SyncSend(BinaryWriter writer)
    {
        for (int i = 0; i < _variations.Length; i++)
        {
            writer.Write((byte)_variations[i]);
        }
    }
 
    public void SyncReceive(BinaryReader reader)
    {
        for (int i = 0; i < _variations.Length; i++)
        {
            int num = _variations[i];
            _variations[i] = reader.ReadByte();
            if (_variations[i] != num)
            {
                DoTreeFX(i);
            }
        }
    }
 
    public int GetTreeStyle(int areaId)
    {
        return _variations[areaId];
    }
 
    public void RandomizeTreeStyleBasedOnWorldPosition(UnifiedRandom rand, Vector2 worldPosition)
    {
        Point pt = new Point((int)(worldPosition.X / 16f), (int)(worldPosition.Y / 16f) + 1);
        Tile tileSafely = Framing.GetTileSafely(pt);
        if (tileSafely.active())
        {
            int num = -1;
            if (tileSafely.type == 70)
            {
                num = 11;
            }
            else if (tileSafely.type == 53 && WorldGen.oceanDepths(pt.X, pt.Y))
            {
                num = 10;
            }
            else if (tileSafely.type == 23)
            {
                num = 4;
            }
            else if (tileSafely.type == 199)
            {
                num = 8;
            }
            else if (tileSafely.type == 109 || tileSafely.type == 492)
            {
                num = 7;
            }
            else if (tileSafely.type == 53)
            {
                num = 9;
            }
            else if (tileSafely.type == 147)
            {
                num = 6;
            }
            else if (tileSafely.type == 60)
            {
                num = 5;
            }
            else if (tileSafely.type == 633)
            {
                num = 12;
            }
            else if (tileSafely.type == 2 || tileSafely.type == 477)
            {
                num = ((pt.X >= Main.treeX[0]) ? ((pt.X < Main.treeX[1]) ? 1 : ((pt.X >= Main.treeX[2]) ? 3 : 2)) : 0);
            }
            if (num > -1)
            {
                RandomizeTreeStyle(rand, num);
            }
        }
    }
 
    public void RandomizeTreeStyle(UnifiedRandom rand, int areaId)
    {
        int num = _variations[areaId];
        bool flag = false;
        while (_variations[areaId] == num)
        {
            switch (areaId)
            {
            case 0:
            case 1:
            case 2:
            case 3:
                _variations[areaId] = rand.Next(6);
                break;
            case 4:
                _variations[areaId] = rand.Next(5);
                break;
            case 5:
                _variations[areaId] = rand.Next(6);
                break;
            case 6:
                _variations[areaId] = rand.NextFromList<int>(0, 1, 2, 21, 22, 3, 31, 32, 4, 41, 42, 5, 6, 7);
                break;
            case 7:
                _variations[areaId] = rand.Next(5);
                break;
            case 8:
                _variations[areaId] = rand.Next(6);
                break;
            case 9:
                _variations[areaId] = rand.Next(5);
                break;
            case 10:
                _variations[areaId] = rand.Next(6);
                break;
            case 11:
                _variations[areaId] = rand.Next(4);
                break;
            case 12:
                _variations[areaId] = rand.Next(6);
                break;
            default:
                flag = true;
                break;
            }
            if (flag)
            {
                break;
            }
        }
        if (num != _variations[areaId])
        {
            if (Main.netMode == 2)
            {
                NetMessage.SendData(7);
            }
            else
            {
                DoTreeFX(areaId);
            }
        }
    }
 
    private void DoTreeFX(int areaID)
    {
    }
 
    public void CopyExistingWorldInfoForWorldGeneration()
    {
        CopyExistingWorldInfo();
    }
 
    private void CopyExistingWorldInfo()
    {
        _variations[0] = Main.treeStyle[0];
        _variations[1] = Main.treeStyle[1];
        _variations[2] = Main.treeStyle[2];
        _variations[3] = Main.treeStyle[3];
        _variations[4] = WorldGen.corruptBG;
        _variations[5] = WorldGen.jungleBG;
        _variations[6] = WorldGen.snowBG;
        _variations[7] = WorldGen.hallowBG;
        _variations[8] = WorldGen.crimsonBG;
        _variations[9] = WorldGen.desertBG;
        _variations[10] = WorldGen.oceanBG;
        _variations[11] = WorldGen.mushroomBG;
        _variations[12] = WorldGen.underworldBG;
    }
}