rokojori_action_library/Runtime/Actions/Values/NumberMath.cs

using Godot;
using System.Collections.Generic;
using System.IO;

using Rokojori.Extensions;
namespace Rokojori;

[Tool]
[GlobalClass, Icon("res://addons/rokojori_action_library/Icons/Action.svg")]
public partial class NumberMath:Action
{ 
  public enum Operator
  {
    Set,
    Add,
    Substract,
    Multiply,
    Divide,
    Modulo,
    Freeze,
    Unfreeze,
    Reset
  }

  [Export]
  public NumberValue target;

  [Export]
  public Operator operation = Operator.Set;

  public enum Order
  {
    Target_Op_Source,
    Source_Op_Target
  }

  [Export]
  public Order order = Order.Target_Op_Source;

  [Export]
  public double sourceValue;

  [Export]
  public NumberValue sourceReference;

  protected override void _OnTrigger()
  {
    var valueRight = ( sourceReference == null ? 0 : sourceReference.value ) + sourceValue;
    var valueLeft = target.value;

    if ( order == Order.Source_Op_Target )
    {
      var buffer = valueLeft;
      valueLeft = valueRight;
      valueRight = buffer;
    }

    switch ( operation )
    {
      case Operator.Set: { target.value = valueRight; } break;
      case Operator.Add: { target.value = valueLeft + valueRight; } break;
      case Operator.Substract: { target.value = valueLeft - valueRight; } break;
      case Operator.Multiply: { target.value = valueLeft * valueRight; } break;
      case Operator.Divide: { target.value = valueLeft / valueRight; } break;
      case Operator.Modulo: { target.value = valueLeft % valueRight; } break;
      case Operator.Freeze: { target.FreezeValue(); } break;      
      case Operator.Unfreeze: { target.UnfreezeValue(); } break;
      case Operator.Reset: { target.ResetValue(); } break;
    }
  }
}