MapTile.cs

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namespace Terraria.Map;
 
public struct MapTile
{
    public ushort Type;
 
    public byte Light;
 
    private byte _extraData;
 
    public bool IsChanged
    {
        get
        {
            return (_extraData & 0x80) == 128;
        }
        set
        {
            if (value)
            {
                _extraData |= 128;
            }
            else
            {
                _extraData &= 127;
            }
        }
    }
 
    public byte Color
    {
        get
        {
            return (byte)(_extraData & 0x7Fu);
        }
        set
        {
            _extraData = (byte)((_extraData & 0x80u) | (value & 0x7Fu));
        }
    }
 
    private MapTile(ushort type, byte light, byte extraData)
    {
        Type = type;
        Light = light;
        _extraData = extraData;
    }
 
    public bool Equals(ref MapTile other)
    {
        if (Light == other.Light && Type == other.Type)
        {
            return Color == other.Color;
        }
        return false;
    }
 
    public bool EqualsWithoutLight(ref MapTile other)
    {
        if (Type == other.Type)
        {
            return Color == other.Color;
        }
        return false;
    }
 
    public void Clear()
    {
        Type = 0;
        Light = 0;
        _extraData = 0;
    }
 
    public MapTile WithLight(byte light)
    {
        return new MapTile(Type, light, (byte)(_extraData | 0x80u));
    }
 
    public static MapTile Create(ushort type, byte light, byte color)
    {
        return new MapTile(type, light, (byte)(color | 0x80u));
    }
}