SlotId.cs

Go to the documentation of this file.

namespace ReLogic.Utilities;
 
public struct SlotId
{
    public static readonly SlotId Invalid = new SlotId(65535u);
 
    private const uint KEY_INC = 65536u;
 
    private const uint INDEX_MASK = 65535u;
 
    private const uint ACTIVE_MASK = 2147483648u;
 
    private const uint KEY_MASK = 2147418112u;
 
    public readonly uint Value;
 
    public bool IsValid => (Value & 0xFFFF) != 65535;
 
    internal bool IsActive
    {
        get
        {
            if ((Value & 0x80000000u) != 0)
            {
                return IsValid;
            }
            return false;
        }
    }
 
    internal uint Index => Value & 0xFFFFu;
 
    internal uint Key => Value & 0x7FFF0000u;
 
    internal SlotId ToInactive(uint freeHead)
    {
        return new SlotId(Key | freeHead);
    }
 
    internal SlotId ToActive(uint index)
    {
        uint num = 0x7FFF0000u & (Key + 65536);
        return new SlotId(0x80000000u | num | index);
    }
 
    public SlotId(uint value)
    {
        Value = value;
    }
 
    public override bool Equals(object obj)
    {
        if (!(obj is SlotId))
        {
            return false;
        }
        return ((SlotId)obj).Value == Value;
    }
 
    public override int GetHashCode()
    {
        return Value.GetHashCode();
    }
 
    public static bool operator ==(SlotId lhs, SlotId rhs)
    {
        return lhs.Value == rhs.Value;
    }
 
    public static bool operator !=(SlotId lhs, SlotId rhs)
    {
        return lhs.Value != rhs.Value;
    }
 
    public float ToFloat()
    {
        return ReinterpretCast.UIntAsFloat(Value);
    }
 
    public static SlotId FromFloat(float value)
    {
        return new SlotId(ReinterpretCast.FloatAsUInt(value));
    }
}