ShapeBranch.cs

Go to the documentation of this file.

using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using ReLogic.Utilities;
using Terraria.WorldBuilding;
 
namespace Terraria.GameContent.Generation;
 
public class ShapeBranch : GenShape
{
    private Point _offset;
 
    private List<Point> _endPoints;
 
    public ShapeBranch()
    {
        _offset = new Point(10, -5);
    }
 
    public ShapeBranch(Point offset)
    {
        _offset = offset;
    }
 
    public ShapeBranch(double angle, double distance)
    {
        _offset = new Point((int)(Math.Cos(angle) * distance), (int)(Math.Sin(angle) * distance));
    }
 
    private bool PerformSegment(Point origin, GenAction action, Point start, Point end, int size)
    {
        size = Math.Max(1, size);
        for (int i = -(size >> 1); i < size - (size >> 1); i++)
        {
            for (int j = -(size >> 1); j < size - (size >> 1); j++)
            {
                if (!Utils.PlotLine(new Point(start.X + i, start.Y + j), end, (int tileX, int tileY) => UnitApply(action, origin, tileX, tileY) || !_quitOnFail, jump: false))
                {
                    return false;
                }
            }
        }
        return true;
    }
 
    public override bool Perform(Point origin, GenAction action)
    {
        //IL_012e: Unknown result type (might be due to invalid IL or missing references)
        //IL_0163: Unknown result type (might be due to invalid IL or missing references)
        //IL_0169: Unknown result type (might be due to invalid IL or missing references)
        //IL_016b: Unknown result type (might be due to invalid IL or missing references)
        //IL_0179: Unknown result type (might be due to invalid IL or missing references)
        //IL_017e: Unknown result type (might be due to invalid IL or missing references)
        //IL_0182: Unknown result type (might be due to invalid IL or missing references)
        //IL_0192: Unknown result type (might be due to invalid IL or missing references)
        Vector2D val = default(Vector2D);
        ((Vector2D)(ref val))._002Ector((double)_offset.X, (double)_offset.Y);
        double num = ((Vector2D)(ref val)).Length();
        int num2 = (int)(num / 6.0);
        if (_endPoints != null)
        {
            _endPoints.Add(new Point(origin.X + _offset.X, origin.Y + _offset.Y));
        }
        if (!PerformSegment(origin, action, origin, new Point(origin.X + _offset.X, origin.Y + _offset.Y), num2))
        {
            return false;
        }
        int num3 = (int)(num / 8.0);
        Vector2D val2 = default(Vector2D);
        for (int i = 0; i < num3; i++)
        {
            double num4 = ((double)i + 1.0) / ((double)num3 + 1.0);
            Point point = new Point((int)(num4 * (double)_offset.X), (int)(num4 * (double)_offset.Y));
            ((Vector2D)(ref val2))._002Ector((double)(_offset.X - point.X), (double)(_offset.Y - point.Y));
            val2 = val2.RotatedBy((GenBase._random.NextDouble() * 0.5 + 1.0) * (double)((GenBase._random.Next(2) != 0) ? 1 : (-1))) * 0.75;
            Point point2 = new Point((int)val2.X + point.X, (int)val2.Y + point.Y);
            if (_endPoints != null)
            {
                _endPoints.Add(new Point(point2.X + origin.X, point2.Y + origin.Y));
            }
            if (!PerformSegment(origin, action, new Point(point.X + origin.X, point.Y + origin.Y), new Point(point2.X + origin.X, point2.Y + origin.Y), num2 - 1))
            {
                return false;
            }
        }
        return true;
    }
 
    public ShapeBranch OutputEndpoints(List<Point> endpoints)
    {
        _endPoints = endpoints;
        return this;
    }
}