/* Bal oldalt az attributum neve, jobb oldalt érték.
*
* Megnézzük, hogy az attribútumhoz hozzáköthető-e az érték.
* Ha nem nullt adunk vissza, és errort írunk ki.
*/
public override object VisitAttr([NotNull] DDD_layout_scriptParser.AttrContext context)
{
string attrName = context.ATTRIBUTE().GetText();
dynamic value = VisitOperation(context.operation());
if (context.operation() == null)
{
value = context.STRING().ToString().Trim('\'');
}
if (!AttributeManager.CanBind(attrName, Extensions.Extensions.ToString(value)))
{
alerts.Add(new warning(context.Start.Line, $"{AttributeManager.ErrorMsg}. Line ignored"));
return(null);
}
// rotation axis sanity check
// you cant rotate points around nullvector
if (attrName == "rotation-axis" && value == new vec3(0, 0, 0))
{
alerts.Add(new warning(context.Start.Line, "You cannot rotate around [0, 0, 0] axis"));
}
// quality sanity check
// you can only use specific enums, and not random strings
if (attrName == "quality" && !(value == "very-low" || value == "low" || value == "medium" || value == "high"))
{
alerts.Add(new warning(context.Start.Line, "Quality can only hold 'very-low', 'low', 'medium' or 'high'"));
}
// scale sanity check
// dont scale with 0 or less than 0 (rather use rotation for things like that)
if (attrName == "scale" && (value.x <= 0 || value.y <= 0 || value.z <= 0))
{
alerts.Add(new warning(context.Start.Line, "For scaling only positive real numbers allowed on every axis"));
}
return(new Attribute(attrName, value));
}