ShapeRunner.cs

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using System;
using Microsoft.Xna.Framework;
using ReLogic.Utilities;
using Terraria.WorldBuilding;
 
namespace Terraria.GameContent.Generation;
 
public class ShapeRunner : GenShape
{
    private double _startStrength;
 
    private int _steps;
 
    private Vector2D _startVelocity;
 
    public ShapeRunner(double strength, int steps, Vector2D velocity)
    {
        //IL_0015: Unknown result type (might be due to invalid IL or missing references)
        //IL_0016: Unknown result type (might be due to invalid IL or missing references)
        _startStrength = strength;
        _steps = steps;
        _startVelocity = velocity;
    }
 
    public override bool Perform(Point origin, GenAction action)
    {
        //IL_002d: Unknown result type (might be due to invalid IL or missing references)
        //IL_0032: Unknown result type (might be due to invalid IL or missing references)
        //IL_005d: Unknown result type (might be due to invalid IL or missing references)
        //IL_003f: Unknown result type (might be due to invalid IL or missing references)
        //IL_0062: Unknown result type (might be due to invalid IL or missing references)
        //IL_0081: Unknown result type (might be due to invalid IL or missing references)
        //IL_009a: Unknown result type (might be due to invalid IL or missing references)
        //IL_00b9: Unknown result type (might be due to invalid IL or missing references)
        //IL_00d8: Unknown result type (might be due to invalid IL or missing references)
        //IL_0198: Unknown result type (might be due to invalid IL or missing references)
        //IL_0199: Unknown result type (might be due to invalid IL or missing references)
        //IL_019b: Unknown result type (might be due to invalid IL or missing references)
        //IL_01a0: Unknown result type (might be due to invalid IL or missing references)
        //IL_0102: Unknown result type (might be due to invalid IL or missing references)
        //IL_0111: Unknown result type (might be due to invalid IL or missing references)
        //IL_01a6: Unknown result type (might be due to invalid IL or missing references)
        //IL_01a7: Unknown result type (might be due to invalid IL or missing references)
        //IL_01a9: Unknown result type (might be due to invalid IL or missing references)
        //IL_01ae: Unknown result type (might be due to invalid IL or missing references)
        //IL_01af: Unknown result type (might be due to invalid IL or missing references)
        //IL_01c8: Unknown result type (might be due to invalid IL or missing references)
        //IL_01cd: Unknown result type (might be due to invalid IL or missing references)
        //IL_01d2: Unknown result type (might be due to invalid IL or missing references)
        //IL_01e0: Unknown result type (might be due to invalid IL or missing references)
        //IL_01f9: Unknown result type (might be due to invalid IL or missing references)
        //IL_01fe: Unknown result type (might be due to invalid IL or missing references)
        //IL_0203: Unknown result type (might be due to invalid IL or missing references)
        //IL_0205: Unknown result type (might be due to invalid IL or missing references)
        //IL_0207: Unknown result type (might be due to invalid IL or missing references)
        //IL_020c: Unknown result type (might be due to invalid IL or missing references)
        //IL_0211: Unknown result type (might be due to invalid IL or missing references)
        //IL_0216: Unknown result type (might be due to invalid IL or missing references)
        //IL_021b: Unknown result type (might be due to invalid IL or missing references)
        double num = _steps;
        double num2 = _steps;
        double num3 = _startStrength;
        Vector2D val = default(Vector2D);
        ((Vector2D)(ref val))._002Ector((double)origin.X, (double)origin.Y);
        Vector2D val2 = ((_startVelocity == Vector2D.Zero) ? Utils.RandomVector2D(GenBase._random, -1.0, 1.0) : _startVelocity);
        while (num > 0.0 && num3 > 0.0)
        {
            num3 = _startStrength * (num / num2);
            num -= 1.0;
            int num4 = Math.Max(1, (int)(val.X - num3 * 0.5));
            int num5 = Math.Max(1, (int)(val.Y - num3 * 0.5));
            int num6 = Math.Min(GenBase._worldWidth, (int)(val.X + num3 * 0.5));
            int num7 = Math.Min(GenBase._worldHeight, (int)(val.Y + num3 * 0.5));
            for (int i = num4; i < num6; i++)
            {
                for (int j = num5; j < num7; j++)
                {
                    if (!(Math.Abs((double)i - val.X) + Math.Abs((double)j - val.Y) >= num3 * 0.5 * (1.0 + (double)GenBase._random.Next(-10, 11) * 0.015)))
                    {
                        UnitApply(action, origin, i, j);
                    }
                }
            }
            int num8 = (int)(num3 / 50.0) + 1;
            num -= (double)num8;
            val += val2;
            for (int k = 0; k < num8; k++)
            {
                val += val2;
                val2 += Utils.RandomVector2D(GenBase._random, -0.5, 0.5);
            }
            val2 += Utils.RandomVector2D(GenBase._random, -0.5, 0.5);
            val2 = Vector2D.Clamp(val2, -Vector2D.One, Vector2D.One);
        }
        return true;
    }
}