/// <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 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];
// 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;
}
}
////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);
bindingStates[bindingStartIndex + n] = new InputActionMapState.BindingState
{
actionIndex = actionIndex,
compositeIndex = currentCompositeIndex,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
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 && currentCompositeIndex != 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;
// 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;
}
}
// Add entry for resolved binding.
bindingStates[bindingStartIndex + n] = new InputActionMapState.BindingState
{
controlStartIndex = firstControlIndex,
controlCount = numControls,
interactionStartIndex = firstInteractionIndex,
interactionCount = numInteractions,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
isPartOfComposite = unresolvedBinding.isPartOfComposite,
actionIndex = actionIndex,
compositeIndex = currentCompositeIndex,
mapIndex = totalMapCount,
};
// If the binding is part of a composite, pass the resolve controls
// on to the composite.
if (unresolvedBinding.isPartOfComposite && currentCompositeIndex != 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;
}
}
}
/// <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);
// 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 currentCompositePartIndex = 0;
var bindingMaskOnThisMap = map.m_BindingMask;
var actionsInThisMap = map.m_Actions;
var devicesForThisMap = map.devices;
var actionCountInThisMap = actionsInThisMap != null ? actionsInThisMap.Length : 0;
var resolvedControls = new InputControlList <InputControl>(Allocator.Temp);
try
{
for (var n = 0; n < bindingCountInThisMap; ++n)
{
var unresolvedBinding = bindingsInThisMap[n];
var bindingIndex = bindingStartIndex + n;
// Set binding state to defaults.
bindingStates[bindingIndex].mapIndex = totalMapCount;
bindingStates[bindingIndex].compositeOrCompositeBindingIndex = InputActionMapState.kInvalidIndex;
bindingStates[bindingIndex].actionIndex = InputActionMapState.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 (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 (bindingMaskOnThisMap != null && !bindingMaskOnThisMap.Value.Matches(ref unresolvedBinding))
{
continue;
}
// Try to find action.
// NOTE: Technically, we allow individual bindings of composites to trigger actions independent
// of the action triggered by the composite.
var actionIndexInMap = InputActionMapState.kInvalidIndex;
var actionName = unresolvedBinding.action;
if (!string.IsNullOrEmpty(actionName))
{
actionIndexInMap = map.TryGetActionIndex(actionName);
}
else if (map.m_SingletonAction != null)
{
// Special-case for singleton actions that don't have names.
actionIndexInMap = 0;
}
// Skip binding if it doesn't match the binding mask on the action (might be empty).
if (actionIndexInMap != InputActionMapState.kInvalidIndex)
{
var action = actionsInThisMap[actionIndexInMap];
if (action.m_BindingMask != null && !action.m_BindingMask.Value.Matches(ref unresolvedBinding))
{
continue;
}
}
// 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)
//// (Example: "Axis(min=-1,max=1)" creates an axis that goes from -1..1 instead of the default 0..1)
// 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 = actionStartIndex + actionIndexInMap,
compositeOrCompositeBindingIndex = currentCompositeIndex,
processorStartIndex = firstProcessorIndex,
processorCount = numProcessors,
interactionCount = numInteractions,
interactionStartIndex = firstInteractionIndex,
mapIndex = totalMapCount,
isComposite = true,
};
// 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)
{
currentCompositePartIndex = 0;
currentCompositeBindingIndex = InputActionMapState.kInvalidIndex;
currentCompositeIndex = InputActionMapState.kInvalidIndex;
}
// Look up controls.
var firstControlIndex = totalControlCount;
int 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 (numControls > 0)
{
resolvedControls.AppendTo(ref controls, ref totalControlCount);
resolvedControls.Clear();
}
// If the binding is part of a composite, pass the resolved controls
// on to the composite.
if (unresolvedBinding.isPartOfComposite &&
currentCompositeBindingIndex != InputActionMapState.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(string.Format(
"Binding with path '{0}' that is part of composite '{1}' is missing a name",
path, composites[currentCompositeIndex]));
}
// Install the controls on the binding.
BindControlInComposite(composites[currentCompositeIndex], unresolvedBinding.name,
ref currentCompositePartIndex);
}
// 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,
partIndex = currentCompositePartIndex,
actionIndex = actionIndexInMap,
compositeOrCompositeBindingIndex = currentCompositeBindingIndex,
mapIndex = totalMapCount,
};
}
}
finally
{
resolvedControls.Dispose();
}
// 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_MapIndexInState = 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;
}
}
}
