Terraria ItemValue struct that simplifies item values

ItemValue.cs

public struct ItemValue
{
	public int RawValue { get; private set; }
	public int Copper { get; private set; }
	public int Silver { get; private set; }
	public int Gold { get; private set; }
	public int Platinum { get; private set; }

	public ItemValue(int c = 0, int s = 0, int g = 0, int p = 0)
	{
		// Need to assign first
		RawValue = c + (s * 100) + (g * 100 * 100) + (p * 100 * 100 * 100);
		Copper = c;
		Silver = s;
		Gold = g;
		Platinum = p;

		SetValues(c, s, g, p);
	}

	public override string ToString()
	{
		StringBuilder stringBuilder = new StringBuilder();

		if (Platinum > 0)
			stringBuilder.Append($"{Platinum}p");
		if (Gold > 0)
			stringBuilder.Append($"{Gold}g");
		if (Silver > 0)
			stringBuilder.Append($"{Silver}s");
		if (Copper > 0)
			stringBuilder.Append($"{Copper}c");

		if (stringBuilder.Length <= 0)
			return "No value";

		return string.Concat(stringBuilder.ToString().Select(c => $"{c}" + (char.IsLetter(c) ? " " : ""))).TrimEnd(' ');
	}

	public string ToTagString()
	{
		StringBuilder stringBuilder = new StringBuilder();

		if (Platinum > 0)
			stringBuilder.Append($"[i/s1:{ItemID.PlatinumCoin}]{Platinum}");
		if (Gold > 0)
			stringBuilder.Append($"[i/s1:{ItemID.GoldCoin}]{Gold}");
		if (Silver > 0)
			stringBuilder.Append($"[i/s1:{ItemID.SilverCoin}]{Silver}");
		if (Copper > 0)
			stringBuilder.Append($"[i/s1:{ItemID.CopperCoin}]{Copper}");

		if (stringBuilder.Length <= 0)
			return "No value";

		return $"{stringBuilder}";
	}

	public ItemValue SetValues(float copper, float silver = 0, float gold = 0, float platinum = 0)
	{
		SetFromCopperValue(GetRawCopperValue(copper, silver, gold, platinum));
		return this;
	}

	public ItemValue AddValues(float copper, float silver = 0, float gold = 0, float platinum = 0)
	{
		SetFromCopperValue(RawValue + GetRawCopperValue(copper, silver, gold, platinum));
		return this;
	}

	private int GetRawCopperValue(float copper, float silver = 0, float gold = 0, float platinum = 0)
	{
		return (int)(copper + silver * 100 + gold * Math.Pow(100, 2) + platinum * Math.Pow(100, 3));
	}

	public ItemValue ToSellValue()
	{
		RawValue /= 5;
		SetFromCopperValue(RawValue);
		return this;
	}

	public ItemValue ApplyDiscount(Player player)
	{
		if (player.discount)
		{
			RawValue = (int)(RawValue * 0.8f);
			SetFromCopperValue(RawValue);
		}
		return this;
	}

	public ItemValue SetFromCopperValue(float value)
	{
		RawValue = (int)value;
		int copper = (int)value;
		int silver = 0;
		int gold = 0;
		int platinum = 0;

		if (copper >= 100)
		{
			silver = copper / 100;
			copper %= 100;

			if (silver >= 100)
			{
				gold = silver / 100;
				silver %= 100;

				if (gold >= 100)
				{
					platinum = gold / 100;
					gold %= 100;
				}
			}
		}

		this.Copper = copper;
		this.Silver = silver;
		this.Gold = gold;
		this.Platinum = platinum;
		return this;
	}

	public static implicit operator ItemValue(float rawValue)
	{
		return new ItemValue().SetFromCopperValue((int)rawValue);
	}

	public static ItemValue operator +(ItemValue first, ItemValue second)
	{
		return new ItemValue().SetFromCopperValue(first.RawValue + second.RawValue);
	}

	public static ItemValue operator +(ItemValue first, float second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue + second));
	}

	public static ItemValue operator +(ItemValue first, double second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue + second));
	}

	public static ItemValue operator +(ItemValue first, decimal second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue + second));
	}

	public static ItemValue operator -(ItemValue first, ItemValue second)
	{
		return new ItemValue().SetFromCopperValue(first.RawValue - second.RawValue);
	}

	public static ItemValue operator -(ItemValue first, float second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue - second));
	}

	public static ItemValue operator -(ItemValue first, double second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue - second));
	}

	public static ItemValue operator -(ItemValue first, decimal second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue - second));
	}

	public static ItemValue operator *(ItemValue first, ItemValue second)
	{
		return new ItemValue().SetFromCopperValue(first.RawValue * second.RawValue);
	}

	public static ItemValue operator *(ItemValue first, float second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue * second));
	}

	public static ItemValue operator *(ItemValue first, double second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue * second));
	}

	public static ItemValue operator *(ItemValue first, decimal second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue * second));
	}

	public static ItemValue operator /(ItemValue first, ItemValue second)
	{
		return new ItemValue().SetFromCopperValue(first.RawValue / second.RawValue);
	}

	public static ItemValue operator /(ItemValue first, float second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue / second));
	}

	public static ItemValue operator /(ItemValue first, double second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue / second));
	}

	public static ItemValue operator /(ItemValue first, decimal second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue / second));
	}

	public static ItemValue operator %(ItemValue first, ItemValue second)
	{
		return new ItemValue().SetFromCopperValue(first.RawValue % second.RawValue);
	}

	public static ItemValue operator %(ItemValue first, float second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue % second));
	}

	public static ItemValue operator %(ItemValue first, double second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue % second));
	}

	public static ItemValue operator %(ItemValue first, decimal second)
	{
		return new ItemValue().SetFromCopperValue((int)(first.RawValue % second));
	}
}