/* Egy változó x, y, z adattagjára történt hivatkozás.
* A változó
*
*/
public override object VisitXyz([NotNull] DDD_layout_scriptParser.XyzContext context)
{
string signedId = context.signed_id().GetText();
bool negative = signedId.Contains('-');
string id = signedId.Replace("+", "").Replace("-", "");
dynamic value = GetVariableValueByName(id);
Symbol symbol = GetVariableByName(id);
// nem inicializált változóból olvasás
if (value is UnitializedObject)
{
alerts.Add(new error(context.Start.Line, $" Uninitialized value {id}"));
return(null);
}
// a hivatkozott változó vec3, a normál use-case
else if (symbol.Type == "Vec3")
{
string xyzText = context.GetText();
vec3 vecValue = (vec3)value;
if (xyzText.Contains(".x"))
{
return(negative ? -vecValue.x : vecValue.x);
}
else if (xyzText.Contains(".y"))
{
return(negative ? -vecValue.y : vecValue.y);
}
else if (xyzText.Contains(".z"))
{
return(negative ? -vecValue.z : vecValue.z);
}
}
// nem vec3-ra hivatkozott a változó
alerts.Add(new error(context.Start.Line, $"{id} doesn't refer to a vec3 instance"));
return(null);
}
/// <summary>
/// Exit a parse tree produced by <see cref="DDD_layout_scriptParser.xyz"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitXyz([NotNull] DDD_layout_scriptParser.XyzContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="DDD_layout_scriptParser.xyz"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitXyz([NotNull] DDD_layout_scriptParser.XyzContext context)
{
return(VisitChildren(context));
}
