private void AddTransformRecorder()
{
memberReferences.Add(StratusMemberReference.Construct(() => transform.position));
memberReferences.Add(StratusMemberReference.Construct(() => transform.rotation));
memberReferences.Add(StratusMemberReference.Construct(() => transform.localScale));
memberReferences.Add(StratusMemberReference.Construct(() => transform.parent));
}
//------------------------------------------------------------------------/
// Methods: Static
//------------------------------------------------------------------------/
/// <summary>
/// Keeps watch of a given property/field
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="varExpr">An expression of a given variable of the form: '(()=> foo')</param>
/// <param name="behaviour">The owner object of this variable</param>
/// <example>Overlay.Watch(()=> foo, this);</example>
public static void Watch <T>(Expression <Func <T> > varExpr, string description = null, MonoBehaviour behaviour = null)
{
StratusMemberReference variableRef = StratusReflection.GetReference(varExpr);
Watcher watcher = new Watcher(variableRef, description, behaviour);
instance.Windows.Watch.Add(watcher);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="prefix">A given prefix for this variable</param>
/// <param name="variable">The variable being watched</param>
public Watcher(StratusMemberReference variable, string description, MonoBehaviour behaviour) : base(variable.name)
{
Behaviour = behaviour;
Variable = variable;
// Whether to use the default variable name or a custom description
if (description != null)
{
Description = description;
}
else
{
Description = variable.name;
}
}
/// <summary>
/// Constructs a reference to the given member from a lambda expression capture
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="expression"></param>
/// <returns></returns>
public static StratusMemberReference Construct <T>(Expression <Func <T> > expression)
{
// Use expressions to find the underlying owner object
var memberExpr = expression.Body as MemberExpression;
var inst = memberExpr.Expression;
var targetObj = Expression.Lambda <Func <object> >(inst).Compile()();
var variableName = memberExpr.Member.Name;
// Construct the member reference object
StratusMemberReference memberReference = new StratusMemberReference();
memberReference.name = variableName;
memberReference.target = targetObj;
// Check if it's a property
var property = targetObj.GetType().GetProperty(variableName);
if (property != null)
{
memberReference.property = property;
memberReference.type = property.PropertyType;
memberReference.memberType = MemberType.Property;
return(memberReference);
}
// Check if it's a field
var field = targetObj.GetType().GetField(variableName);
if (field != null)
{
memberReference.field = field;
memberReference.type = field.FieldType;
memberReference.memberType = MemberType.Field;
return(memberReference);
}
// Invalid
throw new ArgumentException("The given variable is neither a property or a field!");
}
