protected ValueInput ValueInput(Type type, string key)
{
EnsureUniqueInput(key);
var port = new ValueInput(key, type);
valueInputs.Add(port);
return(port);
}
protected override void Definition()
{
source = ValueInput <GameObject>(nameof(source), null).NullMeansSelf();
base.Definition();
Requirement(source, assign);
}
protected override void Definition()
{
base.Definition();
condition = ValueInput <bool>(nameof(condition));
Requirement(condition, enter);
}
private object GetDefaultValue(ValueInput input)
{
if (!TryGetDefaultValue(input, out var defaultValue))
{
throw new InvalidOperationException("Value input port does not have a default value.");
}
return(defaultValue);
}
protected override void Definition()
{
name = ValueInput(nameof(name), string.Empty);
if (kind == VariableKind.Object)
{
@object = ValueInput <GameObject>(nameof(@object), null).NullMeansSelf();
}
}
protected void Connect(ValueOutput source, ValueInput destination)
{
Undo.IncrementCurrentGroup();
LudiqEditorUtility.editedObject.BeginOverride(m_Reference.serializedObject);
var widget = new ValueOutputWidget(m_Canvas, source);
var connectMethodInfo = GetConnectionMethodInfo(widget.GetType());
connectMethodInfo?.Invoke(widget, new object[] { widget.port, destination });
LudiqEditorUtility.editedObject.EndOverride();
}
protected override void Definition()
{
base.Definition();
seconds = ValueInput(nameof(seconds), 0f);
unscaledTime = ValueInput(nameof(unscaledTime), false);
Requirement(seconds, enter);
Requirement(unscaledTime, enter);
}
public static object FetchValue(ValueInput input, GraphReference reference)
{
var flow = New(reference);
var result = flow.GetValue(input);
flow.Dispose();
return(result);
}
public bool TryGetDefaultValue(ValueInput input, out object defaultValue)
{
if (!input.unit.defaultValues.TryGetValue(input.key, out defaultValue))
{
return(false);
}
if (input.nullMeansSelf && defaultValue == null)
{
defaultValue = stack.self;
}
return(true);
}
protected override void Definition()
{
if (custom)
{
enter = ControlInput(nameof(enter), ThrowCustom);
exception = ValueInput <Exception>(nameof(exception));
Requirement(exception, enter);
}
else
{
enter = ControlInput(nameof(enter), ThrowMessage);
message = ValueInput(nameof(message), string.Empty);
Requirement(message, enter);
}
}
private bool CanPredict(ValueInput input)
{
if (!input.hasValidConnection)
{
if (!TryGetDefaultValue(input, out var defaultValue))
{
return(false);
}
if (typeof(Component).IsAssignableFrom(input.type))
{
defaultValue = defaultValue?.ConvertTo(input.type);
}
if (!input.allowsNull && defaultValue == null)
{
return(false);
}
return(true);
}
var output = input.validConnectedPorts.Single();
if (!CanPredict(output))
{
return(false);
}
var connectedValue = GetValue(output);
if (!ConversionUtility.CanConvert(connectedValue, input.type, false))
{
return(false);
}
if (typeof(Component).IsAssignableFrom(input.type))
{
connectedValue = connectedValue?.ConvertTo(input.type);
}
if (!input.allowsNull && connectedValue == null)
{
return(false);
}
return(true);
}
protected override void OnFieldsGUI(Rect position)
{
base.OnFieldsGUI(position);
if (typeMetadata.value != null && ValueInput.SupportsDefaultValue((Type)typeMetadata.value))
{
y += EditorGUIUtility.standardVerticalSpacing;
OnHasDefaultValueGUI(position.VerticalSection(ref y, GetHasDefaultValueHeight(position.width)));
if ((bool)hasDefaultValueMetadata.value)
{
y += EditorGUIUtility.standardVerticalSpacing;
OnDefaultValueGUI(position.VerticalSection(ref y, GetDefaultValueHeight(position.width)));
}
}
}
public object GetValue(ValueInput input)
{
if (locals.TryGetValue(input, out var local))
{
return(local);
}
var connection = input.connection;
if (connection != null)
{
if (enableDebug)
{
var connectionEditorData = stack.GetElementDebugData <IUnitConnectionDebugData>(connection);
connectionEditorData.lastInvokeFrame = EditorTimeBinding.frame;
connectionEditorData.lastInvokeTime = EditorTimeBinding.time;
}
var output = connection.source;
var value = GetValue(output);
if (enableDebug)
{
var connectionEditorData = stack.GetElementDebugData <ValueConnection.DebugData>(connection);
connectionEditorData.lastValue = value;
connectionEditorData.assignedLastValue = true;
}
return(value);
}
else if (TryGetDefaultValue(input, out var defaultValue))
{
return(defaultValue);
}
else
{
throw new MissingValuePortInputException(input.key);
}
}
protected override float GetHeight(float width, GUIContent label)
{
var height = base.GetHeight(width, label);
if (typeMetadata.value != null && ValueInput.SupportsDefaultValue((Type)typeMetadata.value))
{
height += EditorGUIUtility.standardVerticalSpacing;
height += GetHasDefaultValueHeight(width);
if ((bool)hasDefaultValueMetadata.value)
{
height += EditorGUIUtility.standardVerticalSpacing;
height += GetDefaultValueHeight(width);
}
}
return(height);
}
protected override void Definition()
{
member.EnsureReflected();
if (!IsMemberValid(member))
{
throw new NotSupportedException("The member type is not valid for this unit.");
}
if (member.requiresTarget)
{
target = ValueInput(member.targetType, nameof(target));
target.SetDefaultValue(member.targetType.PseudoDefault());
if (typeof(UnityObject).IsAssignableFrom(member.targetType))
{
target.NullMeansSelf();
}
}
}
protected override void Definition()
{
base.Definition();
name = ValueInput(nameof(name), string.Empty);
}
private IEnumerable <Warning> ValueInputWarnings(ValueInput valueInput)
{
// We can disable null reference check if no self is available
// and the port requires an owner, for example in macros.
var trustFutureOwner = valueInput.nullMeansSelf && reference.self == null;
var checkForNullReference = BoltFlow.Configuration.predictPotentialNullReferences && !valueInput.allowsNull && !trustFutureOwner;
var checkForMissingComponent = BoltFlow.Configuration.predictPotentialMissingComponents && typeof(Component).IsAssignableFrom(valueInput.type);
// Note that we cannot directly check the input's predicted value, because it
// will return false for safeguard specifically because it might be missing requirements.
// Therefore, we first check the connected value, then the default value.
// If the port is connected to a predictable output, use the connected value to perform checks.
if (valueInput.hasValidConnection)
{
var valueOutput = valueInput.validConnectedPorts.Single();
if (Flow.CanPredict(valueOutput, reference))
{
if (checkForNullReference)
{
if (Flow.Predict(valueOutput, reference) == null)
{
yield return(Warning.Severe($"{PortLabel(valueInput)} cannot be null."));
}
}
if (checkForMissingComponent)
{
var connectedPredictedValue = Flow.Predict(valueOutput, reference);
// This check is necessary, because the predicted value could be
// incompatible as connections with non-guaranteed conversions are allowed.
if (ConversionUtility.CanConvert(connectedPredictedValue, typeof(GameObject), true))
{
var gameObject = ConversionUtility.Convert <GameObject>(connectedPredictedValue);
if (gameObject != null)
{
var component = (Component)ConversionUtility.Convert(gameObject, valueInput.type);
if (component == null)
{
yield return(Warning.Caution($"{PortLabel(valueInput)} is missing a {valueInput.type.DisplayName()} component."));
}
}
}
}
}
}
// If the port isn't connected but has a default value, use the default value to perform checks.
else if (valueInput.hasDefaultValue)
{
if (checkForNullReference)
{
if (Flow.Predict(valueInput, reference) == null)
{
yield return(Warning.Severe($"{PortLabel(valueInput)} cannot be null."));
}
}
if (checkForMissingComponent)
{
var unconnectedPredictedValue = Flow.Predict(valueInput, reference);
if (ConversionUtility.CanConvert(unconnectedPredictedValue, typeof(GameObject), true))
{
var gameObject = ConversionUtility.Convert <GameObject>(unconnectedPredictedValue);
if (gameObject != null)
{
var component = (Component)ConversionUtility.Convert(gameObject, valueInput.type);
if (component == null)
{
yield return(Warning.Caution($"{PortLabel(valueInput)} is missing a {valueInput.type.DisplayName()} component."));
}
}
}
}
}
// The value isn't connected and has no default value,
// therefore it is certain to be missing at runtime.
else
{
yield return(Warning.Severe($"{PortLabel(valueInput)} is missing."));
}
}
protected override void Definition()
{
name = ValueInput(nameof(name), defaultName);
}
protected static bool CompareNames(Flow flow, ValueInput namePort, string calledName)
{
Ensure.That(nameof(calledName)).IsNotNull(calledName);
return(calledName.Trim().Equals(flow.GetValue <string>(namePort)?.Trim(), StringComparison.OrdinalIgnoreCase));
}
public object GetConvertedValue(ValueInput input)
{
return(GetValue(input, input.type));
}
public T GetValue <T>(ValueInput input)
{
return((T)GetValue(input, typeof(T)));
}
public object GetValue(ValueInput input, Type type)
{
return(ConversionUtility.Convert(GetValue(input), type));
}
protected override void Definition()
{
base.Definition();
target = ValueInput <GameObject>(nameof(target), null).NullMeansSelf();
}
public static object FetchValue(ValueInput input, Type type, GraphReference reference)
{
return(ConversionUtility.Convert(FetchValue(input, reference), type));
}
public static T FetchValue <T>(ValueInput input, GraphReference reference)
{
return((T)FetchValue(input, typeof(T), reference));
}
/// <summary>
/// Getting the value of the destination may fetch the value of the source.
/// </summary>
protected void Requirement(ValueInput source, ValueOutput destination)
{
Relation(source, destination);
}
