public string ToString(StatModifierInstance instance)
{
var val = value.Value;
switch (modifierType)
{
case StatModifierType.AdditiveAbsolute:
return($"{val:+0.##;-0.##}");
case StatModifierType.AdditiveRelative:
return($"{val:+0.##%;-0.##%}");
case StatModifierType.MultiplicativeRelative:
return($"*{val:+0.##%;-0.##%}");
default:
throw new InvalidOperationException("type not supported");
}
}
/// <summary>
/// Add a new StatModifier.
/// </summary>
/// <param name="modifier">new StatModifier</param>
/// <param name="source">modifier source</param>
/// <returns>true if changed</returns>
public bool AddModifier(StatModifier modifier, IStatModifierSource source)
{
if (modifier.attributeType.Type != attributeType.Type)
{
return(false);
}
if (!_modifiers.TryGetValue(modifier.modifierType, out var statModifiers))
{
statModifiers = new List <StatModifierInstance>();
_modifiers.Add(modifier.modifierType, statModifiers);
}
var instance = new StatModifierInstance(modifier, this, source);
statModifiers.Add(instance);
modifier.value.AddListener(OnDependencyChange);
MarkDirty();
return(true);
}