static void Register()
{
InputSystem.RegisterDeviceProfile <OpenVRControllerProfile>();
}
private void OnEvent(InputEventPtr eventPtr)
{
// Ignore if not a state event.
if (!eventPtr.IsA <StateEvent>() && !eventPtr.IsA <DeltaStateEvent>())
{
return;
}
// Fetch device.
var device = InputSystem.GetDeviceById(eventPtr.deviceId);
if (device == null)
{
return;
}
// Go through controls and see if there's anything interesting in the event.
var controls = device.allControls;
var controlCount = controls.Count;
for (var i = 0; i < controlCount; ++i)
{
var control = controls[i];
////TODO: skip noisy controls
// Skip controls that have no state in the event.
var statePtr = control.GetStatePtrFromStateEvent(eventPtr);
if (statePtr == IntPtr.Zero)
{
continue;
}
// If we're expecting controls of a certain type, skip if control isn't of
// the right type.
if (m_ControlType != null && !m_ControlType.IsInstanceOfType(control))
{
continue;
}
// If we're expecting controls to be based on a specific layout, skip if control
// isn't based on that layout.
if (!m_ExpectedLayout.IsEmpty() &&
InputControlLayout.s_Layouts.IsBasedOn(m_ExpectedLayout, control.m_Layout))
{
continue;
}
// Skip controls that are in their default state.
// NOTE: This is the cheapest check with respect to looking at actual state. So
// do this first before looking further at the state.
if (control.CheckStateIsAtDefault(statePtr))
{
continue;
}
// Skip controls that have no effective value change.
// NOTE: This will run the full processor stack and is move involved.
if (!control.HasValueChangeIn(statePtr))
{
continue;
}
// If it's the control that cancels, abort the operation now.
if (!string.IsNullOrEmpty(m_CancelBinding) && InputControlPath.Matches(m_CancelBinding, control))
{
OnCancel();
break;
}
m_Candidates.Add(control);
OnComplete();
break;
}
}
static void Register()
{
InputSystem.RegisterDeviceProfile <TangoXRProfile>();
}
/// <summary>
/// Resolve and add all bindings and actions from the given map.
/// </summary>
/// <param name="map"></param>
/// <remarks>
/// This is where all binding resolution happens for actions. The method walks through the binding array
/// in <paramref name="map"/> and adds any controls, interactions, processors, and composites as it goes.
/// </remarks>
public unsafe void AddActionMap(InputActionMap map)
{
Debug.Assert(map != null);
var actionsInThisMap = map.m_Actions;
var bindingsInThisMap = map.m_Bindings;
var bindingCountInThisMap = bindingsInThisMap?.Length ?? 0;
var actionCountInThisMap = actionsInThisMap?.Length ?? 0;
var mapIndex = totalMapCount;
// Keep track of indices for this map.
var actionStartIndex = totalActionCount;
var bindingStartIndex = totalBindingCount;
var controlStartIndex = totalControlCount;
var interactionStartIndex = totalInteractionCount;
var processorStartIndex = totalProcessorCount;
var compositeStartIndex = totalCompositeCount;
// Allocate an initial block of memory. We probably will have to re-allocate once
// at the end to accommodate interactions and controls added from the map.
var newMemory = new InputActionState.UnmanagedMemory();
newMemory.Allocate(
mapCount: totalMapCount + 1,
actionCount: totalActionCount + actionCountInThisMap,
bindingCount: totalBindingCount + bindingCountInThisMap,
// We reallocate for the following once we know the final count.
interactionCount: totalInteractionCount,
compositeCount: totalCompositeCount,
controlCount: totalControlCount);
if (memory.isAllocated)
{
newMemory.CopyDataFrom(memory);
}
////TODO: make sure composite objects get all the bindings they need
////TODO: handle case where we have bindings resolving to the same control
//// (not so clear cut what to do there; each binding may have a different interaction setup, for example)
var currentCompositeBindingIndex = InputActionState.kInvalidIndex;
var currentCompositeIndex = InputActionState.kInvalidIndex;
var currentCompositePartIndex = 0;
var currentCompositeActionIndexInMap = InputActionState.kInvalidIndex;
InputAction currentCompositeAction = null;
var bindingMaskOnThisMap = map.m_BindingMask;
var devicesForThisMap = map.devices;
// Can't use `using` as we need to use it with `ref`.
var resolvedControls = new InputControlList <InputControl>(Allocator.Temp);
// We gather all controls in temporary memory and then move them over into newMemory once
// we're done resolving.
try
{
var bindingStatesPtr = newMemory.bindingStates;
for (var n = 0; n < bindingCountInThisMap; ++n)
{
ref var unresolvedBinding = ref bindingsInThisMap[n];
var bindingIndex = bindingStartIndex + n;
var isComposite = unresolvedBinding.isComposite;
var isPartOfComposite = !isComposite && unresolvedBinding.isPartOfComposite;
var bindingState = &bindingStatesPtr[bindingIndex];
try
{
////TODO: if it's a composite, check if any of the children matches our binding masks (if any) and skip composite if none do
// Set binding state to defaults.
bindingState->mapIndex = totalMapCount;
bindingState->compositeOrCompositeBindingIndex = InputActionState.kInvalidIndex;
bindingState->actionIndex = InputActionState.kInvalidIndex;
// Skip binding if it is disabled (path is empty string).
var path = unresolvedBinding.effectivePath;
if (unresolvedBinding.path == "")
{
continue;
}
// Skip binding if it doesn't match with our binding mask (might be empty).
if (!isComposite && bindingMask != null && !bindingMask.Value.Matches(ref unresolvedBinding))
{
continue;
}
// Skip binding if it doesn't match the binding mask on the map (might be empty).
if (!isComposite && bindingMaskOnThisMap != null &&
!bindingMaskOnThisMap.Value.Matches(ref unresolvedBinding))
{
continue;
}
// Try to find action.
//
// NOTE: We ignore actions on bindings that are part of composites. We only allow
// actions to be triggered from the composite itself.
var actionIndexInMap = InputActionState.kInvalidIndex;
var actionName = unresolvedBinding.action;
InputAction action = null;
if (!isPartOfComposite)
{
if (!string.IsNullOrEmpty(actionName))
{
////REVIEW: should we fail here if we don't manage to find the action
actionIndexInMap = map.TryGetActionIndex(actionName);
}
else if (map.m_SingletonAction != null)
{
// Special-case for singleton actions that don't have names.
actionIndexInMap = 0;
}
if (actionIndexInMap != InputActionState.kInvalidIndex)
{
action = actionsInThisMap[actionIndexInMap];
}
}
else
{
actionIndexInMap = currentCompositeActionIndexInMap;
action = currentCompositeAction;
}
// Skip binding if it doesn't match the binding mask on the action (might be empty).
if (!isComposite && action?.m_BindingMask != null &&
!action.m_BindingMask.Value.Matches(ref unresolvedBinding))
{
continue;
}
// Instantiate processors.
var firstProcessorIndex = InputActionState.kInvalidIndex;
var numProcessors = 0;
var processorString = unresolvedBinding.effectiveProcessors;
if (!string.IsNullOrEmpty(processorString))
{
// Add processors from binding.
firstProcessorIndex = ResolveProcessors(processorString);
if (firstProcessorIndex != InputActionState.kInvalidIndex)
{
numProcessors = totalProcessorCount - firstProcessorIndex;
}
}
if (action != null && !string.IsNullOrEmpty(action.m_Processors))
{
// Add processors from action.
var index = ResolveProcessors(action.m_Processors);
if (index != InputActionState.kInvalidIndex)
{
if (firstProcessorIndex == InputActionState.kInvalidIndex)
{
firstProcessorIndex = index;
}
numProcessors += totalProcessorCount - index;
}
}
// Instantiate interactions.
var firstInteractionIndex = InputActionState.kInvalidIndex;
var numInteractions = 0;
var interactionString = unresolvedBinding.effectiveInteractions;
if (!string.IsNullOrEmpty(interactionString))
{
// Add interactions from binding.
firstInteractionIndex = ResolveInteractions(interactionString);
if (firstInteractionIndex != InputActionState.kInvalidIndex)
{
numInteractions = totalInteractionCount - firstInteractionIndex;
}
}
if (action != null && !string.IsNullOrEmpty(action.m_Interactions))
{
// Add interactions from action.
var index = ResolveInteractions(action.m_Interactions);
if (index != InputActionState.kInvalidIndex)
{
if (firstInteractionIndex == InputActionState.kInvalidIndex)
{
firstInteractionIndex = index;
}
numInteractions += totalInteractionCount - index;
}
}
// If it's the start of a composite chain, create the composite.
if (isComposite)
{
var actionIndexForComposite = actionIndexInMap != InputActionState.kInvalidIndex
? actionStartIndex + actionIndexInMap
: InputActionState.kInvalidIndex;
// Instantiate. For composites, the path is the name of the composite.
var composite = InstantiateBindingComposite(unresolvedBinding.path);
currentCompositeIndex =
ArrayHelpers.AppendWithCapacity(ref composites, ref totalCompositeCount, composite);
currentCompositeBindingIndex = bindingIndex;
currentCompositeAction = action;
currentCompositeActionIndexInMap = actionIndexInMap;
*bindingState = new InputActionState.BindingState
{
actionIndex = actionIndexForComposite,
compositeOrCompositeBindingIndex = currentCompositeIndex,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
interactionCount = numInteractions,
interactionStartIndex = firstInteractionIndex,
mapIndex = totalMapCount,
isComposite = true,
// Record where the controls for parts of the composite start.
controlStartIndex = memory.controlCount + resolvedControls.Count,
};
// The composite binding entry itself does not resolve to any controls.
// It creates a composite binding object which is then populated from
// subsequent bindings.
continue;
}
// If we've reached the end of a composite chain, finish
// off the current composite.
if (!isPartOfComposite && currentCompositeBindingIndex != InputActionState.kInvalidIndex)
{
currentCompositePartIndex = 0;
currentCompositeBindingIndex = InputActionState.kInvalidIndex;
currentCompositeIndex = InputActionState.kInvalidIndex;
currentCompositeAction = null;
currentCompositeActionIndexInMap = InputActionState.kInvalidIndex;
}
// Look up controls.
//
// NOTE: We continuously add controls here to `resolvedControls`. Once we've completed our
// pass over the bindings in the map, `resolvedControls` will have all the controls for
// the current map.
var firstControlIndex = memory.controlCount + resolvedControls.Count;
var numControls = 0;
if (devicesForThisMap != null)
{
// Search in devices for only this map.
var list = devicesForThisMap.Value;
for (var i = 0; i < list.Count; ++i)
{
var device = list[i];
if (!device.added)
{
continue; // Skip devices that have been removed.
}
numControls += InputControlPath.TryFindControls(device, path, 0, ref resolvedControls);
}
}
else
{
// Search globally.
numControls = InputSystem.FindControls(path, ref resolvedControls);
}
// If the binding is part of a composite, pass the resolved controls
// on to the composite.
var actionIndexForBinding = InputActionState.kInvalidIndex;
if (isPartOfComposite && currentCompositeBindingIndex != InputActionState.kInvalidIndex && numControls > 0)
{
// Make sure the binding is named. The name determines what in the composite
// to bind to.
if (string.IsNullOrEmpty(unresolvedBinding.name))
{
throw new Exception(
$"Binding with path '{path}' that is part of composite '{composites[currentCompositeIndex]}' is missing a name");
}
// Install the controls on the binding.
BindControlInComposite(composites[currentCompositeIndex], unresolvedBinding.name,
ref currentCompositePartIndex);
// Keep track of total number of controls bound in the composite.
bindingStatesPtr[currentCompositeBindingIndex].controlCount += numControls;
// Force action index on part binding to be same as that of composite.
actionIndexForBinding = bindingStatesPtr[currentCompositeBindingIndex].actionIndex;
}
else if (actionIndexInMap != InputActionState.kInvalidIndex)
{
actionIndexForBinding = actionStartIndex + actionIndexInMap;
}
// Add entry for resolved binding.
*bindingState = new InputActionState.BindingState
{
controlStartIndex = firstControlIndex,
controlCount = numControls,
interactionStartIndex = firstInteractionIndex,
interactionCount = numInteractions,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
isPartOfComposite = unresolvedBinding.isPartOfComposite,
partIndex = currentCompositePartIndex,
actionIndex = actionIndexForBinding,
compositeOrCompositeBindingIndex = currentCompositeBindingIndex,
mapIndex = totalMapCount,
};
}
catch (Exception exception)
{
Debug.LogError(
$"{exception.GetType().Name} while resolving binding '{unresolvedBinding}' in action map '{map}'");
Debug.LogException(exception);
// Don't swallow exceptions that indicate something is wrong in the code rather than
// in the data.
if (exception.IsExceptionIndicatingBugInCode())
{
throw exception;
}
}
}
// Re-allocate memory to accommodate controls and interaction states. The count for those
// we only know once we've completed all resolution.
var controlCountInThisMap = resolvedControls.Count;
var newTotalControlCount = memory.controlCount + controlCountInThisMap;
if (newMemory.interactionCount != totalInteractionCount ||
newMemory.compositeCount != totalCompositeCount ||
newMemory.controlCount != newTotalControlCount)
{
var finalMemory = new InputActionState.UnmanagedMemory();
finalMemory.Allocate(
mapCount: newMemory.mapCount,
actionCount: newMemory.actionCount,
bindingCount: newMemory.bindingCount,
controlCount: newTotalControlCount,
interactionCount: totalInteractionCount,
compositeCount: totalCompositeCount);
finalMemory.CopyDataFrom(newMemory);
newMemory.Dispose();
newMemory = finalMemory;
}
// Add controls to array.
var controlCountInArray = memory.controlCount;
ArrayHelpers.AppendListWithCapacity(ref controls, ref controlCountInArray, resolvedControls);
Debug.Assert(controlCountInArray == newTotalControlCount,
"Control array should have combined count of old and new controls");
// Set up control to binding index mapping.
for (var i = 0; i < bindingCountInThisMap; ++i)
{
var bindingState = &bindingStatesPtr[bindingStartIndex + i];
var numControls = bindingState->controlCount;
var startIndex = bindingState->controlStartIndex;
for (var n = 0; n < numControls; ++n)
{
newMemory.controlIndexToBindingIndex[startIndex + n] = bindingStartIndex + i;
}
}
// Initialize initial interaction states.
for (var i = memory.interactionCount; i < newMemory.interactionCount; ++i)
{
newMemory.interactionStates[i].phase = InputActionPhase.Waiting;
}
// Initialize action data.
var runningIndexInBindingIndices = memory.bindingCount;
for (var i = 0; i < actionCountInThisMap; ++i)
{
var action = actionsInThisMap[i];
var actionIndex = actionStartIndex + i;
// Correlate action with its trigger state.
action.m_ActionIndex = actionIndex;
// Collect bindings for action.
var bindingStartIndexForAction = runningIndexInBindingIndices;
var bindingCountForAction = 0;
var numPossibleConcurrentActuations = 0;
var haveCompositeBinding = false;
for (var n = 0; n < bindingCountInThisMap; ++n)
{
var bindingIndex = bindingStartIndex + n;
var bindingState = &newMemory.bindingStates[bindingIndex];
if (bindingState->actionIndex != actionIndex)
{
continue;
}
if (bindingState->isPartOfComposite)
{
continue;
}
Debug.Assert(bindingIndex <= ushort.MaxValue, "Binding index exceeds limit");
newMemory.actionBindingIndices[runningIndexInBindingIndices] = (ushort)bindingIndex;
++runningIndexInBindingIndices;
++bindingCountForAction;
// Keep track of how many concurrent actuations we may be seeing on the action so that
// we know whether we need to enable conflict resolution or not.
if (bindingState->isComposite)
{
// Composite binding. Actuates as a whole. Check if the composite has successfully
// resolved any controls. If so, it adds one possible actuation.
if (bindingState->controlCount > 0)
{
++numPossibleConcurrentActuations;
}
}
else
{
// Normal binding. Every successfully resolved control results in one possible actuation.
numPossibleConcurrentActuations += bindingState->controlCount;
}
}
Debug.Assert(bindingStartIndexForAction < ushort.MaxValue, "Binding start index on action exceeds limit");
Debug.Assert(bindingCountForAction < ushort.MaxValue, "Binding count on action exceeds limit");
newMemory.actionBindingIndicesAndCounts[i * 2] = (ushort)bindingStartIndexForAction;
newMemory.actionBindingIndicesAndCounts[i * 2 + 1] = (ushort)bindingCountForAction;
// See if we may need conflict resolution on this action. Never needed for pass-through actions.
// Otherwise, if we have more than one bound control or have several bindings and one of them
// is a composite, we enable it.
var isPassThroughAction = action.passThrough;
var mayNeedConflictResolution = !isPassThroughAction && numPossibleConcurrentActuations > 1;
// Initialize initial trigger state.
newMemory.actionStates[actionIndex] =
new InputActionState.TriggerState
{
phase = InputActionPhase.Disabled,
mapIndex = mapIndex,
controlIndex = InputActionState.kInvalidIndex,
interactionIndex = InputActionState.kInvalidIndex,
continuous = action.continuous,
passThrough = isPassThroughAction,
mayNeedConflictResolution = mayNeedConflictResolution,
};
}
// Store indices for map.
newMemory.mapIndices[mapIndex] =
new InputActionState.ActionMapIndices
{
actionStartIndex = actionStartIndex,
actionCount = actionCountInThisMap,
controlStartIndex = controlStartIndex,
controlCount = controlCountInThisMap,
bindingStartIndex = bindingStartIndex,
bindingCount = bindingCountInThisMap,
interactionStartIndex = interactionStartIndex,
interactionCount = totalInteractionCount - interactionStartIndex,
processorStartIndex = processorStartIndex,
processorCount = totalProcessorCount - processorStartIndex,
compositeStartIndex = compositeStartIndex,
compositeCount = totalCompositeCount - compositeStartIndex,
};
map.m_MapIndexInState = mapIndex;
var finalActionMapCount = memory.mapCount;
ArrayHelpers.AppendWithCapacity(ref maps, ref finalActionMapCount, map, capacityIncrement: 4);
Debug.Assert(finalActionMapCount == newMemory.mapCount,
"Final action map count should match old action map count plus one");
// As a final act, swap the new memory in.
memory.Dispose();
memory = newMemory;
}
public static void ControlField <C, T>(Rect position, InputBinding <C, T> binding, GUIContent label, IControlDomainSource domainSource, Action <InputBinding <C, T> > action, SerializedProperty prop = null) where C : InputControl <T>
{
if (prop != null)
{
label = EditorGUI.BeginProperty(position, label, prop);
}
position.height = EditorGUIUtility.singleLineHeight;
Rect buttonPosition = EditorGUI.PrefixLabel(position, label);
Rect detectPosition = buttonPosition;
ControlScheme scheme = domainSource as ControlScheme;
bool detectionSupport = (scheme != null);
if (detectionSupport)
{
detectPosition.xMin = detectPosition.xMax - 20;
buttonPosition.xMax -= (20 + 4);
}
if (EditorGUI.DropdownButton(buttonPosition, new GUIContent(GetName(binding, domainSource) ?? "None"), FocusType.Keyboard))
{
GenericMenu menu = GetMenu(
binding, domainSource,
a =>
{
if (prop != null)
{
Undo.RecordObjects(prop.serializedObject.targetObjects, "Control");
}
action(a);
if (prop != null)
{
// Flushing seems necessaary to have prefab property override status change without lag.
Undo.FlushUndoRecordObjects();
prop.serializedObject.SetIsDifferentCacheDirty();
}
});
menu.DropDown(buttonPosition);
// GenericMenu doesn't modify GUI.changed because it relies on a callback, so let's assume that something was changed, so target object dirtying doesn't go missing
GUI.changed = true;
}
if (detectionSupport)
{
EditorGUI.BeginDisabledGroup(s_Binding != null);
//if (Event.current.type == EventType.repaint)
// EditorStyles.miniButton.Draw(detectPosition, "O", false, false, s_Binding == binding, false);
if (GUI.Toggle(detectPosition, s_Binding == binding, "O", EditorStyles.miniButton) && s_Binding == null)
{
EditorWindow window = EditorWindow.focusedWindow;
window.ShowNotification(new GUIContent("Waiting for input."));
s_BindingListener = (InputControl control) =>
{
if (!(control is C))
{
window.ShowNotification(new GUIContent("Incompatible control type."));
window.Repaint();
return(false);
}
DeviceSlot match = null;
Type controlProviderType = control.provider.GetType();
for (int slotIndex = 0; slotIndex < scheme.deviceSlots.Count; slotIndex++)
{
Type deviceType = scheme.deviceSlots[slotIndex].type.value;
if (deviceType == null)
{
continue;
}
if (deviceType.IsAssignableFrom(controlProviderType))
{
match = scheme.deviceSlots[slotIndex];
break;
}
}
if (match == null)
{
window.ShowNotification(new GUIContent("Incompatible device type."));
window.Repaint();
return(false);
}
var newReference = new ControlReferenceBinding <C, T>();
newReference.deviceKey = match.key;
newReference.controlHash = control.provider.GetHashForControlIndex(control.index);
action(newReference);
StopListening(window);
return(true);
};
InputSystem.ListenForBinding(s_BindingListener);
s_Binding = binding;
float time = Time.realtimeSinceStartup;
s_UpdateCallback = () => {
if (Time.realtimeSinceStartup > time + 3)
{
StopListening(window);
}
};
EditorApplication.update += s_UpdateCallback;
}
EditorGUI.EndDisabledGroup();
}
if (binding != null && !(binding is ControlReferenceBinding <C, T>))
{
EditorGUI.indentLevel++;
position.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
binding.OnGUI(position, domainSource);
EditorGUI.indentLevel--;
}
if (prop != null)
{
EditorGUI.EndProperty();
}
}
/// <summary>
/// Resolve and add all bindings and actions from the given map.
/// </summary>
/// <param name="map"></param>
/// <exception cref="Exception"></exception>
public void AddActionMap(InputActionMap map)
{
Debug.Assert(map != null);
Debug.Assert(map.m_MapIndex == InputActionMapState.kInvalidIndex);
// Keep track of indices for this map.
var bindingStartIndex = totalBindingCount;
var controlStartIndex = totalControlCount;
var interactionStartIndex = totalInteractionCount;
var processorStartIndex = totalProcessorCount;
var compositeStartIndex = totalCompositeCount;
var actionStartIndex = totalActionCount;
// Allocate binding states.
var bindingsInThisMap = map.m_Bindings;
var bindingCountInThisMap = bindingsInThisMap != null ? bindingsInThisMap.Length : 0;
totalBindingCount += bindingCountInThisMap;
ArrayHelpers.GrowBy(ref bindingStates, totalBindingCount);
////TODO: make sure composite objects get all the bindings they need
////TODO: handle case where we have bindings resolving to the same control
//// (not so clear cut what to do there; each binding may have a different interaction setup, for example)
var currentCompositeBindingIndex = InputActionMapState.kInvalidIndex;
var currentCompositeIndex = InputActionMapState.kInvalidIndex;
var actionsInThisMap = map.m_Actions;
var actionCountInThisMap = actionsInThisMap != null ? actionsInThisMap.Length : 0;
for (var n = 0; n < bindingCountInThisMap; ++n)
{
var unresolvedBinding = bindingsInThisMap[n];
var bindingIndex = bindingStartIndex + n;
// Skip binding if it is disabled (path is empty string).
var path = unresolvedBinding.effectivePath;
if (unresolvedBinding.path == "")
{
continue;
}
// Try to find action.
var actionIndex = InputActionMapState.kInvalidIndex;
var actionName = unresolvedBinding.action;
if (!string.IsNullOrEmpty(actionName))
{
actionIndex = map.TryGetActionIndex(actionName);
}
else if (map.m_SingletonAction != null)
{
// Special-case for singleton actions that don't have names.
actionIndex = 0;
}
// Instantiate processors.
var firstProcessorIndex = 0;
var numProcessors = 0;
var processors = unresolvedBinding.effectiveProcessors;
if (!string.IsNullOrEmpty(processors))
{
firstProcessorIndex = ResolveProcessors(processors);
if (processors != null)
{
numProcessors = totalProcessorCount - firstProcessorIndex;
}
}
// Instantiate interactions.
var firstInteractionIndex = 0;
var numInteractions = 0;
var interactions = unresolvedBinding.effectiveInteractions;
if (!string.IsNullOrEmpty(interactions))
{
firstInteractionIndex = ResolveInteractions(interactions);
if (interactionStates != null)
{
numInteractions = totalInteractionCount - firstInteractionIndex;
}
}
////TODO: allow specifying parameters for composite on its path (same way as parameters work for interactions)
// If it's the start of a composite chain, create the composite.
if (unresolvedBinding.isComposite)
{
////REVIEW: what to do about interactions on composites?
// Instantiate. For composites, the path is the name of the composite.
var composite = InstantiateBindingComposite(unresolvedBinding.path);
currentCompositeIndex =
ArrayHelpers.AppendWithCapacity(ref composites, ref totalCompositeCount, composite);
currentCompositeBindingIndex = bindingIndex;
bindingStates[bindingIndex] = new InputActionMapState.BindingState
{
actionIndex = actionIndex,
compositeOrCompositeBindingIndex = currentCompositeIndex,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
interactionCount = numInteractions,
interactionStartIndex = firstInteractionIndex,
mapIndex = totalMapCount,
};
// The composite binding entry itself does not resolve to any controls.
// It creates a composite binding object which is then populated from
// subsequent bindings.
continue;
}
// If we've reached the end of a composite chain, finish
// off the current composite.
if (!unresolvedBinding.isPartOfComposite &&
currentCompositeBindingIndex != InputActionMapState.kInvalidIndex)
{
currentCompositeBindingIndex = InputActionMapState.kInvalidIndex;
currentCompositeIndex = InputActionMapState.kInvalidIndex;
}
// Look up controls.
var firstControlIndex = totalControlCount;
if (controls == null)
{
controls = new InputControl[10];
}
var resolvedControls = new ArrayOrListWrapper <InputControl>(controls, totalControlCount);
var numControls = InputSystem.GetControls(path, ref resolvedControls);
controls = resolvedControls.array;
totalControlCount = resolvedControls.count;
// Add entry for resolved binding.
bindingStates[bindingIndex] = new InputActionMapState.BindingState
{
controlStartIndex = firstControlIndex,
controlCount = numControls,
interactionStartIndex = firstInteractionIndex,
interactionCount = numInteractions,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
isPartOfComposite = unresolvedBinding.isPartOfComposite,
actionIndex = actionIndex,
compositeOrCompositeBindingIndex = currentCompositeBindingIndex,
mapIndex = totalMapCount,
};
// If the binding is part of a composite, pass the resolve controls
// on to the composite.
if (unresolvedBinding.isPartOfComposite && currentCompositeBindingIndex != InputActionMapState.kInvalidIndex && numControls != 0)
{
////REVIEW: what should we do when a single binding in a composite resolves to multiple controls?
//// if the composite has more than one bindable control, it's not readily apparent how we would group them
if (numControls > 1)
{
throw new NotImplementedException("Handling case where single binding in composite resolves to multiple controls");
}
// Make sure the binding is named. The name determines what in the composite
// to bind to.
if (string.IsNullOrEmpty(unresolvedBinding.name))
{
throw new Exception(string.Format(
"Binding that is part of composite '{0}' is missing a name",
composites[currentCompositeIndex]));
}
// Install the control on the binding.
BindControlInComposite(composites[currentCompositeIndex], unresolvedBinding.name,
controls[firstControlIndex]);
}
}
// Set up control to binding index mapping.
var controlCountInThisMap = totalControlCount - controlStartIndex;
ArrayHelpers.GrowBy(ref controlIndexToBindingIndex, controlCountInThisMap);
for (var i = 0; i < bindingCountInThisMap; ++i)
{
var numControls = bindingStates[bindingStartIndex + i].controlCount;
var startIndex = bindingStates[bindingStartIndex + i].controlStartIndex;
for (var n = 0; n < numControls; ++n)
{
controlIndexToBindingIndex[startIndex + n] = i;
}
}
// Store indices for map.
var numMaps = totalMapCount;
var mapIndex = ArrayHelpers.AppendWithCapacity(ref maps, ref numMaps, map);
ArrayHelpers.AppendWithCapacity(ref mapIndices, ref totalMapCount, new InputActionMapState.ActionMapIndices
{
actionStartIndex = actionStartIndex,
actionCount = actionCountInThisMap,
controlStartIndex = controlStartIndex,
controlCount = controlCountInThisMap,
bindingStartIndex = bindingStartIndex,
bindingCount = bindingCountInThisMap,
interactionStartIndex = interactionStartIndex,
interactionCount = totalInteractionCount - interactionStartIndex,
processorStartIndex = processorStartIndex,
processorCount = totalProcessorCount - processorStartIndex,
compositeStartIndex = compositeStartIndex,
compositeCount = totalCompositeCount - compositeStartIndex,
});
map.m_MapIndex = mapIndex;
// Allocate action states.
if (actionCountInThisMap > 0)
{
// Assign action indices.
var actions = map.m_Actions;
for (var i = 0; i < actionCountInThisMap; ++i)
{
actions[i].m_ActionIndex = totalActionCount + i;
}
ArrayHelpers.GrowBy(ref actionStates, actionCountInThisMap);
totalActionCount += actionCountInThisMap;
for (var i = 0; i < actionCountInThisMap; ++i)
{
actionStates[i].mapIndex = mapIndex;
}
}
}
static void Register()
{
InputSystem.RegisterDeviceProfile <OculusTouchProfile>();
}
/// <summary>
/// Perform the input action without having to know what it is bound to.
/// </summary>
/// <param name="action">An input action that is currently enabled and has controls it is bound to.</param>
/// <remarks>
/// Blindly triggering an action requires making a few assumptions. Actions are not built to be able to trigger
/// without any input. This means that this method has to generate input on a control that the action is bound to.
///
/// Note that this method has no understanding of the interactions that may be present on the action and thus
/// does not know how they may affect the triggering of the action.
/// </remarks>
public void Trigger(InputAction action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
if (!action.enabled)
{
throw new ArgumentException(
string.Format("Action '{0}' must be enabled in order to be able to trigger it", action), "action");
}
var controls = action.controls;
if (controls.Count == 0)
{
throw new ArgumentException(
string.Format("Action '{0}' must be bound to controls in order to be able to trigger it", action), "action");
}
// See if we have a button we can trigger.
for (var i = 0; i < controls.Count; ++i)
{
var button = controls[i] as ButtonControl;
if (button == null)
{
continue;
}
// We do, so flip its state and we're done.
var device = button.device;
InputEventPtr inputEvent;
using (StateEvent.From(device, out inputEvent))
{
button.WriteValueInto(inputEvent, button.isPressed ? 0 : 1);
InputSystem.QueueEvent(inputEvent);
InputSystem.Update();
}
return;
}
// See if we have an axis we can slide a bit.
for (var i = 0; i < controls.Count; ++i)
{
var axis = controls[i] as AxisControl;
if (axis == null)
{
continue;
}
// We do, so nudge its value a bit.
var device = axis.device;
InputEventPtr inputEvent;
using (StateEvent.From(device, out inputEvent))
{
var currentValue = axis.ReadValue();
var newValue = currentValue + 0.01f;
if (axis.clamp && newValue > axis.clampMax)
{
newValue = axis.clampMin;
}
axis.WriteValueInto(inputEvent, newValue);
InputSystem.QueueEvent(inputEvent);
InputSystem.Update();
}
return;
}
////TODO: support a wider range of controls
throw new NotImplementedException();
}
