public static bool IsEnabled <T>(PropertyDrawer drawer, SerializedProperty property) where T : ConditionAttribute
{
var state = false;
var attribute = drawer.GetAttribute <T>();
if (attribute != null)
{
if (string.IsNullOrEmpty(attribute.fieldName) == false)
{
var bitMask = attribute.bitMask;
var inverseCondition = attribute.inverseCondition;
var needState = attribute.state;
var prop = PropertyExtensions.GetRelativeProperty(property, property.propertyPath, attribute.fieldName);
if (prop != null)
{
var value = PropertyExtensions.GetRawValue(prop, attribute);
if (bitMask == true)
{
var result = 0;
if (needState is byte)
{
result = ((int)value & (byte)needState);
}
else if (needState is int)
{
result = ((int)value & (int)needState);
}
state = true;
if (inverseCondition == true)
{
if (result != 0)
{
state = false;
}
}
else
{
if (result == 0)
{
state = false;
}
}
}
else
{
state = true;
if (object.Equals(needState, value) == !inverseCondition)
{
state = false;
}
}
}
}
}
else
{
state = true;
}
return(state);
}
