/// <summary>
/// Searches for LimitAttribute attributes on a property.
/// </summary>
/// <param name="prop">The property with annotations.</param>
/// <returns>The Limit attribute if present, or null if none is.</returns>
internal static LimitAttribute FindFrom(PropertyInfo prop)
{
LimitAttribute fieldLimits = null;
foreach (var attr in prop.GetCustomAttributes(false))
{
if ((fieldLimits = CreateFrom(attr)) != null)
{
break;
}
}
return(fieldLimits);
}
/// <summary>
/// Creates a LimitAttribute using an object from another mod.
/// </summary>
/// <param name="attr">The attribute from the other mod.</param>
/// <returns>A LimitAttribute object with the values from that object, where
/// possible to retrieve; or null if none could be obtained.</returns>
private static LimitAttribute CreateFrom(object attr)
{
LimitAttribute la = null;
if (attr.GetType().Name == typeof(LimitAttribute).Name)
{
// Has limit type
var trAttr = Traverse.Create(attr);
double min = 0.0, max = 0.0;
try {
min = trAttr.GetProperty <double>(nameof(Minimum));
max = trAttr.GetProperty <double>(nameof(Maximum));
} catch (Exception e) {
PUtil.LogExcWarn(e);
}
if (min != 0.0 || max != 0.0)
{
la = new LimitAttribute(min, max);
}
}
return(la);
}