PlacementHook.cs

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using System;
 
namespace Terraria.DataStructures;
 
public struct PlacementHook
{
    public Func<int, int, int, int, int, int, int> hook;
 
    public int badReturn;
 
    public int badResponse;
 
    public bool processedCoordinates;
 
    public static PlacementHook Empty = new PlacementHook(null, 0, 0, processedCoordinates: false);
 
    public const int Response_AllInvalid = 0;
 
    public PlacementHook(Func<int, int, int, int, int, int, int> hook, int badReturn, int badResponse, bool processedCoordinates)
    {
        this.hook = hook;
        this.badResponse = badResponse;
        this.badReturn = badReturn;
        this.processedCoordinates = processedCoordinates;
    }
 
    public static bool operator ==(PlacementHook first, PlacementHook second)
    {
        if (first.hook == second.hook && first.badResponse == second.badResponse && first.badReturn == second.badReturn)
        {
            return first.processedCoordinates == second.processedCoordinates;
        }
        return false;
    }
 
    public static bool operator !=(PlacementHook first, PlacementHook second)
    {
        if (!(first.hook != second.hook) && first.badResponse == second.badResponse && first.badReturn == second.badReturn)
        {
            return first.processedCoordinates != second.processedCoordinates;
        }
        return true;
    }
 
    public override bool Equals(object obj)
    {
        if (obj is PlacementHook)
        {
            return this == (PlacementHook)obj;
        }
        return false;
    }
 
    public override int GetHashCode()
    {
        return base.GetHashCode();
    }
}