private void OnCompositeParametersModified()
{
Debug.Assert(m_CompositeParameters != null);
var path = m_PathProperty.stringValue;
var nameAndParameters = InputControlLayout.ParseNameAndParameters(path);
nameAndParameters.parameters = m_CompositeParameters.GetParameters();
m_PathProperty.stringValue = nameAndParameters.ToString();
OnPathModified();
}
private void InitializeCompositeProperties()
{
// Find name of current composite.
var path = m_PathProperty.stringValue;
var compositeNameAndParameters = InputControlLayout.ParseNameAndParameters(path);
var compositeName = compositeNameAndParameters.name;
var compositeType = InputBindingComposite.s_Composites.LookupTypeRegistration(compositeName);
// Collect all possible composite types.
var selectedCompositeIndex = -1;
var compositeTypeOptionsList = new List <GUIContent>();
var compositeTypeList = new List <string>();
var currentIndex = 0;
foreach (var composite in InputBindingComposite.s_Composites.internedNames.Where(x =>
!InputBindingComposite.s_Composites.aliases.Contains(x)).OrderBy(x => x))
{
if (InputBindingComposite.s_Composites.LookupTypeRegistration(composite) == compositeType)
{
selectedCompositeIndex = currentIndex;
}
var name = ObjectNames.NicifyVariableName(composite);
compositeTypeOptionsList.Add(new GUIContent(name));
compositeTypeList.Add(composite);
++currentIndex;
}
// If the current composite type isn't a registered type, add it to the list as
// an extra option.
if (selectedCompositeIndex == -1)
{
selectedCompositeIndex = compositeTypeList.Count;
compositeTypeOptionsList.Add(new GUIContent(ObjectNames.NicifyVariableName(compositeName)));
compositeTypeList.Add(compositeName);
}
m_CompositeTypes = compositeTypeList.ToArray();
m_CompositeTypeOptions = compositeTypeOptionsList.ToArray();
m_SelectedCompositeType = selectedCompositeIndex;
// Initialize parameters.
m_CompositeParameters = new ParameterListView
{
onChange = OnCompositeParametersModified
};
if (compositeType != null)
{
m_CompositeParameters.Initialize(compositeType, compositeNameAndParameters.parameters);
}
}
private void InitializeCompositePartProperties()
{
var currentCompositePart = m_BindingProperty.FindPropertyRelative("m_Name").stringValue;
////REVIEW: this makes a lot of assumptions about the serialized data based on the one property we've been given in the ctor
// Determine the name of the current composite type that the part belongs to.
var bindingArrayProperty = m_BindingProperty.GetArrayPropertyFromElement();
var partBindingIndex = InputActionSerializationHelpers.GetIndex(bindingArrayProperty, m_BindingProperty);
var compositeBindingIndex =
InputActionSerializationHelpers.GetCompositeStartIndex(bindingArrayProperty, partBindingIndex);
if (compositeBindingIndex == -1)
{
return;
}
var compositeBindingProperty = bindingArrayProperty.GetArrayElementAtIndex(compositeBindingIndex);
var compositePath = compositeBindingProperty.FindPropertyRelative("m_Path").stringValue;
var compositeNameAndParameters = InputControlLayout.ParseNameAndParameters(compositePath);
// Initialize option list from all parts available for the composite.
var optionList = new List <GUIContent>();
var nameList = new List <string>();
var currentIndex = 0;
var selectedPartNameIndex = -1;
foreach (var partName in InputBindingComposite.GetPartNames(compositeNameAndParameters.name))
{
if (partName.Equals(currentCompositePart, StringComparison.InvariantCultureIgnoreCase))
{
selectedPartNameIndex = currentIndex;
}
var niceName = ObjectNames.NicifyVariableName(partName);
optionList.Add(new GUIContent(niceName));
nameList.Add(partName);
++currentIndex;
}
// If currently selected part is not in list, add it as an option.
if (selectedPartNameIndex == -1)
{
selectedPartNameIndex = nameList.Count;
optionList.Add(new GUIContent(ObjectNames.NicifyVariableName(currentCompositePart)));
nameList.Add(currentCompositePart);
}
m_CompositeParts = nameList.ToArray();
m_CompositePartOptions = optionList.ToArray();
m_SelectedCompositePart = selectedPartNameIndex;
}
private void InitializeCompositeParameters()
{
m_CompositeParameters = new ParameterListView
{
onChange = OnCompositeParametersModified
};
var path = m_PathProperty.stringValue;
var nameAndParameters = InputControlLayout.ParseNameAndParameters(path);
var compositeType = InputBindingComposite.s_Composites.LookupTypeRegistration(nameAndParameters.name);
if (compositeType != null)
{
m_CompositeParameters.Initialize(compositeType, nameAndParameters.parameters);
}
}
private static object InstantiateBindingComposite(string nameAndParameters)
{
var nameAndParametersParsed = InputControlLayout.ParseNameAndParameters(nameAndParameters);
// Look up.
var type = InputBindingComposite.s_Composites.LookupTypeRegistration(nameAndParametersParsed.name);
if (type == null)
{
throw new Exception(string.Format("No binding composite with name '{0}' has been registered",
nameAndParametersParsed.name));
}
// Instantiate.
var instance = Activator.CreateInstance(type);
////REVIEW: typecheck for IInputBindingComposite? (at least in dev builds)
// Set parameters.
InputDeviceBuilder.SetParameters(instance, nameAndParametersParsed.parameters);
return(instance);
}
public static SerializedProperty ChangeCompositeBindingType(SerializedProperty bindingProperty,
InputControlLayout.NameAndParameters nameAndParameters)
{
var bindingsArrayProperty = bindingProperty.GetArrayPropertyFromElement();
Debug.Assert(bindingsArrayProperty != null, "SerializedProperty is not an array of bindings");
var bindingIndex = bindingProperty.GetIndexOfArrayElement();
Debug.Assert(IsCompositeBinding(bindingProperty),
$"Binding {bindingProperty.propertyPath} is not a composite");
// If the composite still has the default name, change it to the default
// one for the new composite type.
var pathProperty = bindingProperty.FindPropertyRelative("m_Path");
var nameProperty = bindingProperty.FindPropertyRelative("m_Name");
if (nameProperty.stringValue ==
ObjectNames.NicifyVariableName(InputControlLayout.ParseNameAndParameters(pathProperty.stringValue).name))
{
nameProperty.stringValue = ObjectNames.NicifyVariableName(nameAndParameters.name);
}
pathProperty.stringValue = nameAndParameters.ToString();
// Adjust part bindings if we have information on the registered composite. If we don't have
// a type, we don't know about the parts. In that case, leave part bindings untouched.
var compositeType = InputBindingComposite.s_Composites.LookupTypeRegistration(nameAndParameters.name);
if (compositeType != null)
{
var actionName = bindingProperty.FindPropertyRelative("m_Action").stringValue;
// Repurpose existing part bindings for the new composite or add any part bindings that
// we're missing.
var fields = compositeType.GetFields(BindingFlags.GetField | BindingFlags.Public | BindingFlags.Instance);
var partIndex = 0;
var partBindingsStartIndex = bindingIndex + 1;
foreach (var field in fields)
{
// Skip fields that aren't marked with [InputControl] attribute.
if (field.GetCustomAttribute <InputControlAttribute>(false) == null)
{
continue;
}
// See if we can reuse an existing part binding.
SerializedProperty partProperty = null;
if (partBindingsStartIndex + partIndex < bindingsArrayProperty.arraySize)
{
////REVIEW: this should probably look up part bindings by name rather than going sequentially
var element = bindingsArrayProperty.GetArrayElementAtIndex(partBindingsStartIndex + partIndex);
if (((InputBinding.Flags)element.FindPropertyRelative("m_Flags").intValue & InputBinding.Flags.PartOfComposite) != 0)
{
partProperty = element;
}
}
// If not, insert a new binding.
if (partProperty == null)
{
partProperty = AddBindingToBindingArray(bindingsArrayProperty, partBindingsStartIndex + partIndex,
flags: InputBinding.Flags.PartOfComposite);
}
// Initialize.
partProperty.FindPropertyRelative("m_Name").stringValue = ObjectNames.NicifyVariableName(field.Name);
partProperty.FindPropertyRelative("m_Action").stringValue = actionName;
++partIndex;
}
////REVIEW: when we allow adding the same part multiple times, we may want to do something smarter here
// Delete extraneous part bindings.
while (partBindingsStartIndex + partIndex < bindingsArrayProperty.arraySize)
{
var element = bindingsArrayProperty.GetArrayElementAtIndex(partBindingsStartIndex + partIndex);
if (((InputBinding.Flags)element.FindPropertyRelative("m_Flags").intValue & InputBinding.Flags.PartOfComposite) == 0)
{
break;
}
bindingsArrayProperty.DeleteArrayElementAtIndex(partBindingsStartIndex + partIndex);
// No incrementing of partIndex.
}
}
return(bindingProperty);
}