private InputControl AddChildControl(InputControlLayout layout, InternedString variant, InputControl parent,
ReadOnlyArray <InputControl>?existingChildren, ref bool haveChildrenUsingStateFromOtherControls,
ref InputControlLayout.ControlItem controlItem, ref int childIndex, string nameOverride = null)
{
var name = nameOverride ?? controlItem.name;
var nameLowerCase = name.ToLower();
var nameInterned = new InternedString(name);
string path = null;
////REVIEW: can we check this in InputControlLayout instead?
if (string.IsNullOrEmpty(controlItem.layout))
{
throw new Exception(string.Format("Layout has not been set on control '{0}' in '{1}'",
controlItem.name, layout.name));
}
// See if there is an override for the control.
InputControlLayout.ControlItem?controlOverride = null;
if (m_ChildControlOverrides != null)
{
path = string.Format("{0}/{1}", parent.path, name);
var pathLowerCase = path.ToLower();
InputControlLayout.ControlItem match;
if (m_ChildControlOverrides.TryGetValue(pathLowerCase, out match))
{
controlOverride = match;
}
}
// Get name of layout to use for control.
var layoutName = controlItem.layout;
if (controlOverride != null && !controlOverride.Value.layout.IsEmpty())
{
layoutName = controlOverride.Value.layout;
}
// See if we have an existing control that we might be able to re-use.
InputControl existingControl = null;
if (existingChildren != null)
{
var existingChildCount = existingChildren.Value.Count;
for (var n = 0; n < existingChildCount; ++n)
{
var existingChild = existingChildren.Value[n];
if (existingChild.layout == layoutName &&
existingChild.name.ToLower() == nameLowerCase)
{
existingControl = existingChild;
break;
}
}
}
// Create control.
InputControl control;
try
{
control = InstantiateLayout(layoutName, variant, nameInterned, parent, existingControl);
}
catch (InputControlLayout.LayoutNotFoundException exception)
{
// Throw better exception that gives more info.
throw new Exception(
string.Format("Cannot find layout '{0}' used in control '{1}' of layout '{2}'",
exception.layout, name, layout.name),
exception);
}
// Add to array.
m_Device.m_ChildrenForEachControl[childIndex] = control;
++childIndex;
// Set display name.
control.m_DisplayNameFromLayout = controlItem.displayName;
// Set flags.
control.m_IsNoisy = controlItem.isNoisy;
// Pass state block config on to control.
var usesStateFromOtherControl = !string.IsNullOrEmpty(controlItem.useStateFrom);
if (!usesStateFromOtherControl)
{
control.m_StateBlock.byteOffset = controlItem.offset;
if (controlItem.bit != InputStateBlock.kInvalidOffset)
{
control.m_StateBlock.bitOffset = controlItem.bit;
}
if (controlItem.sizeInBits != 0)
{
control.m_StateBlock.sizeInBits = controlItem.sizeInBits;
}
if (controlItem.format != 0)
{
SetFormat(control, controlItem);
}
}
else
{
// Mark controls that don't have state blocks of their own but rather get their
// blocks from other controls by setting their state size to kInvalidOffset.
control.m_StateBlock.sizeInBits = kSizeForControlUsingStateFromOtherControl;
haveChildrenUsingStateFromOtherControls = true;
}
////REVIEW: the constant appending to m_UsagesForEachControl and m_AliasesForEachControl may lead to a lot
//// of successive re-allocations
// Add usages.
var usages = controlOverride != null ? controlOverride.Value.usages : controlItem.usages;
if (usages.Count > 0)
{
var usageCount = usages.Count;
var usageIndex =
ArrayHelpers.AppendToImmutable(ref m_Device.m_UsagesForEachControl, usages.m_Array);
control.m_UsagesReadOnly =
new ReadOnlyArray <InternedString>(m_Device.m_UsagesForEachControl, usageIndex, usageCount);
ArrayHelpers.GrowBy(ref m_Device.m_UsageToControl, usageCount);
for (var n = 0; n < usageCount; ++n)
{
m_Device.m_UsageToControl[usageIndex + n] = control;
}
}
// Add aliases.
if (controlItem.aliases.Count > 0)
{
var aliasCount = controlItem.aliases.Count;
var aliasIndex =
ArrayHelpers.AppendToImmutable(ref m_Device.m_AliasesForEachControl, controlItem.aliases.m_Array);
control.m_AliasesReadOnly =
new ReadOnlyArray <InternedString>(m_Device.m_AliasesForEachControl, aliasIndex, aliasCount);
}
// Set parameters.
if (controlItem.parameters.Count > 0)
{
SetParameters(control, controlItem.parameters);
}
// Add processors.
if (controlItem.processors.Count > 0)
{
AddProcessors(control, ref controlItem, layout.name);
}
return(control);
}
private InputControl AddChildControl(InputControlLayout layout, InternedString variants, InputControl parent,
ref bool haveChildrenUsingStateFromOtherControls,
InputControlLayout.ControlItem controlItem,
int childIndex, string nameOverride = null)
{
var name = nameOverride ?? controlItem.name;
var nameInterned = new InternedString(name);
////REVIEW: can we check this in InputControlLayout instead?
if (string.IsNullOrEmpty(controlItem.layout))
{
throw new InvalidOperationException($"Layout has not been set on control '{controlItem.name}' in '{layout.name}'");
}
// See if there is an override for the control.
if (m_ChildControlOverrides != null)
{
var path = $"{parent.path}/{name}";
var pathLowerCase = path.ToLower();
if (m_ChildControlOverrides.TryGetValue(pathLowerCase, out var controlOverride))
{
controlItem = controlOverride.Merge(controlItem);
}
}
// Get name of layout to use for control.
var layoutName = controlItem.layout;
// Create control.
InputControl control;
try
{
control = InstantiateLayout(layoutName, variants, nameInterned, parent);
}
catch (InputControlLayout.LayoutNotFoundException exception)
{
// Throw better exception that gives more info.
throw new InputControlLayout.LayoutNotFoundException(
$"Cannot find layout '{exception.layout}' used in control '{name}' of layout '{layout.name}'",
exception);
}
// Add to array.
// NOTE: AddChildControls and InstantiateLayout take care of growing the array and making
// room for the immediate children of each control.
m_Device.m_ChildrenForEachControl[childIndex] = control;
// Set flags and misc things.
control.noisy = controlItem.isNoisy;
control.synthetic = controlItem.isSynthetic;
if (control.noisy)
{
m_Device.noisy = true;
}
// Remember the display names from the layout. We later do a proper pass once we have
// the full hierarchy to set final names.
control.m_DisplayNameFromLayout = controlItem.displayName;
control.m_ShortDisplayNameFromLayout = controlItem.shortDisplayName;
// Set default value.
control.m_DefaultState = controlItem.defaultState;
if (!control.m_DefaultState.isEmpty)
{
m_Device.hasControlsWithDefaultState = true;
}
// Set min and max value. Don't just overwrite here as the control's constructor may
// have set a default value.
if (!controlItem.minValue.isEmpty)
{
control.m_MinValue = controlItem.minValue;
}
if (!controlItem.maxValue.isEmpty)
{
control.m_MaxValue = controlItem.maxValue;
}
// Pass state block config on to control.
var usesStateFromOtherControl = !string.IsNullOrEmpty(controlItem.useStateFrom);
if (!usesStateFromOtherControl)
{
control.m_StateBlock.byteOffset = controlItem.offset;
control.m_StateBlock.bitOffset = controlItem.bit;
if (controlItem.sizeInBits != 0)
{
control.m_StateBlock.sizeInBits = controlItem.sizeInBits;
}
if (controlItem.format != 0)
{
SetFormat(control, controlItem);
}
}
else
{
// Mark controls that don't have state blocks of their own but rather get their
// blocks from other controls by setting their state size to InvalidOffset.
control.m_StateBlock.sizeInBits = kSizeForControlUsingStateFromOtherControl;
haveChildrenUsingStateFromOtherControls = true;
}
////REVIEW: the constant appending to m_UsagesForEachControl and m_AliasesForEachControl may lead to a lot
//// of successive re-allocations
// Add usages.
var usages = controlItem.usages;
if (usages.Count > 0)
{
var usageCount = usages.Count;
var usageIndex =
ArrayHelpers.AppendToImmutable(ref m_Device.m_UsagesForEachControl, usages.m_Array);
control.m_UsageStartIndex = usageIndex;
control.m_UsageCount = usageCount;
ArrayHelpers.GrowBy(ref m_Device.m_UsageToControl, usageCount);
for (var n = 0; n < usageCount; ++n)
{
m_Device.m_UsageToControl[usageIndex + n] = control;
}
}
// Add aliases.
if (controlItem.aliases.Count > 0)
{
var aliasCount = controlItem.aliases.Count;
var aliasIndex =
ArrayHelpers.AppendToImmutable(ref m_Device.m_AliasesForEachControl, controlItem.aliases.m_Array);
control.m_AliasStartIndex = aliasIndex;
control.m_AliasCount = aliasCount;
}
// Set parameters.
if (controlItem.parameters.Count > 0)
{
NamedValue.ApplyAllToObject(control, controlItem.parameters);
}
// Add processors.
if (controlItem.processors.Count > 0)
{
AddProcessors(control, ref controlItem, layout.name);
}
return(control);
}
private InputControl AddChildControl(InputTemplate template, InternedString variant, InputControl parent,
ReadOnlyArray <InputControl>?existingChildren, ref bool haveChildrenUsingStateFromOtherControls,
ref InputTemplate.ControlTemplate controlTemplate, ref int childIndex, string nameOverride = null)
{
var name = nameOverride ?? controlTemplate.name;
var nameLowerCase = nameOverride != null?nameOverride.ToLower() : controlTemplate.name.ToLower();
var nameInterned = nameOverride != null ? new InternedString(nameOverride) : controlTemplate.name;
////REVIEW: can we check this in InputTemplate instead?
if (string.IsNullOrEmpty(controlTemplate.template))
{
throw new Exception(string.Format("Template has not been set on control '{0}' in '{1}'",
controlTemplate.name, template.name));
}
// See if we have an existing control that we might be able to re-use.
InputControl existingControl = null;
if (existingChildren != null)
{
var existingChildCount = existingChildren.Value.Count;
for (var n = 0; n < existingChildCount; ++n)
{
var existingChild = existingChildren.Value[n];
if (existingChild.template == controlTemplate.template &&
existingChild.name.ToLower() == nameLowerCase)
{
existingControl = existingChild;
break;
}
}
}
// Create control.
InputControl control;
try
{
control = AddControl(controlTemplate.template, variant, nameInterned, parent, existingControl);
}
catch (InputTemplate.TemplateNotFoundException exception)
{
// Throw better exception that gives more info.
throw new Exception(
string.Format("Cannot find template '{0}' used in control '{1}' of template '{2}'",
exception.template, controlTemplate.name, template.name),
exception);
}
// Add to array.
m_Device.m_ChildrenForEachControl[childIndex] = control;
++childIndex;
// Set display name.
control.m_DisplayNameFromTemplate = controlTemplate.displayName;
// Pass state block config on to control.
var usesStateFromOtherControl = !string.IsNullOrEmpty(controlTemplate.useStateFrom);
if (!usesStateFromOtherControl)
{
control.m_StateBlock.byteOffset = controlTemplate.offset;
if (controlTemplate.bit != InputStateBlock.kInvalidOffset)
{
control.m_StateBlock.bitOffset = controlTemplate.bit;
}
if (controlTemplate.sizeInBits != 0)
{
control.m_StateBlock.sizeInBits = controlTemplate.sizeInBits;
}
if (controlTemplate.format != 0)
{
SetFormat(control, controlTemplate);
}
}
else
{
// Mark controls that don't have state blocks of their own but rather get their
// blocks from other controls by setting their state size to kInvalidOffset.
control.m_StateBlock.sizeInBits = kSizeForControlUsingStateFromOtherControl;
haveChildrenUsingStateFromOtherControls = true;
}
////REVIEW: the constant appending to m_UsagesForEachControl and m_AliasesForEachControl may lead to a lot
//// of successive re-allocations
// Add usages.
if (controlTemplate.usages.Count > 0)
{
var usageCount = controlTemplate.usages.Count;
var usageIndex =
ArrayHelpers.AppendToImmutable(ref m_Device.m_UsagesForEachControl, controlTemplate.usages.m_Array);
control.m_UsagesReadOnly =
new ReadOnlyArray <InternedString>(m_Device.m_UsagesForEachControl, usageIndex, usageCount);
ArrayHelpers.GrowBy(ref m_Device.m_UsageToControl, usageCount);
for (var n = 0; n < usageCount; ++n)
{
m_Device.m_UsageToControl[usageIndex + n] = control;
}
}
// Add aliases.
if (controlTemplate.aliases.Count > 0)
{
var aliasCount = controlTemplate.aliases.Count;
var aliasIndex =
ArrayHelpers.AppendToImmutable(ref m_Device.m_AliasesForEachControl, controlTemplate.aliases.m_Array);
control.m_AliasesReadOnly =
new ReadOnlyArray <InternedString>(m_Device.m_AliasesForEachControl, aliasIndex, aliasCount);
}
// Set parameters.
if (controlTemplate.parameters.Count > 0)
{
SetParameters(control, controlTemplate.parameters);
}
// Add processors.
if (controlTemplate.processors.Count > 0)
{
AddProcessors(control, ref controlTemplate, template.name);
}
return(control);
}
