9092858a58
I updated everything to the latest Unity Editor. Also realized I had the wrong shaders on my hairs, those are fixed and the hairs look MUCH better!
1067 lines
58 KiB
C#
1067 lines
58 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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using System.Reflection;
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using Unity.Collections.LowLevel.Unsafe;
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using UnityEngine.InputSystem.Utilities;
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namespace UnityEngine.InputSystem
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{
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partial class InputActionRebindingExtensions
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{
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/// <summary>
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/// Return the current value of the given parameter as found on the processors, interactions, or composites
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/// of the action's current bindings.
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/// </summary>
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/// <param name="action">Action on whose bindings to look for the value of the given parameter.</param>
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/// <param name="name">Name of the parameter to get the value of. Case-insensitive. This can either be just the name of the
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/// parameter (like <c>"duration"</c> or expressed as <c>nameof(TapInteraction.duration)</c>) or can be prefixed with the
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/// type of object to get the parameter value from. For example, <c>"tap:duration"</c> will specifically get the <c>"duration"</c>
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/// parameter from the object registered as <c>"tap"</c> (which will usually be <see cref="Interactions.TapInteraction"/>).</param>
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/// <param name="bindingMask">Optional mask that determines on which bindings to look for objects with parameters. If used, only
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/// bindings that match (see <see cref="InputBinding.Matches"/>) the given mask will be taken into account.</param>
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/// <returns>The current value of the given parameter or <c>null</c> if the parameter could not be found.</returns>
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/// <remarks>
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/// Parameters are found on interactions (<see cref="IInputInteraction"/>), processors (<see cref="InputProcessor"/>), and
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/// composites (see <see cref="InputBindingComposite"/>) that are applied to bindings. For example, the following binding
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/// adds a <c>Hold</c> interaction with a custom <c>duration</c> parameter on top of binding to the gamepad's A button:
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///
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/// <example>
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/// <code>
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/// new InputBinding
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/// {
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/// path = "<Gamepad>/buttonSouth",
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/// interactions = "hold(duration=0.6)"
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/// };
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/// </code>
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/// </example>
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///
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/// In the editor UI, parameters are set graphically from the properties sections in the right-most pane
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/// in the action editor when an action or a binding is selected.
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///
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/// When the binding above is applied to an action, the <c>duration</c> parameter from the <c>Hold</c> interaction can be
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/// queried like so:
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///
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/// <example>
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/// <code>
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/// action.GetParameterValue("duration") // Returns 0.6
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/// </code>
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/// </example>
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///
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/// Note that if there are multiple objects on the action that use the same parameter name, the value of the <em>first</em> parameter
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/// that is encountered is returned. Also note that this method will create GC heap garbage.
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///
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/// The type of object to query the parameter from can be include in the <paramref name="name"/> parameter. For example, if
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/// an action has both a <see cref="Interactions.TapInteraction"/> and a <see cref="Interactions.HoldInteraction"/> on it, the
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/// <c>duration</c> parameter can be queried independently like so:
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///
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/// <example>
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/// <code>
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/// // Query "duration" from "hold":
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/// action.GetParameterValue("hold:duration");
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///
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/// // Query "duration" from "tap":
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/// action.GetParameterValue("tap:duration");
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/// </code>
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/// </example>
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///
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/// The names used here to identify the object holding the parameter are the same used by <see cref="InputSystem.RegisterInteraction"/>,
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/// <see cref="InputSystem.RegisterBindingComposite"/>, and <see cref="InputSystem.RegisterProcessor"/>.
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/// </remarks>
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/// <exception cref="ArgumentNullException"><paramref name="action"/> is <c>null</c> -or- <paramref name="name"/> is <c>null</c></exception>
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/// <seealso cref="ApplyParameterOverride(InputActionMap,string,PrimitiveValue,InputBinding)"/>
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/// <seealso cref="ApplyBindingOverride(InputAction,string,string,string)"/>
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/// <seealso cref="Editor.InputParameterEditor"/>
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public static PrimitiveValue? GetParameterValue(this InputAction action, string name, InputBinding bindingMask = default)
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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if (string.IsNullOrEmpty(name))
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throw new ArgumentNullException(nameof(name));
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return action.GetParameterValue(new ParameterOverride(name, bindingMask));
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}
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private static PrimitiveValue? GetParameterValue(this InputAction action, ParameterOverride parameterOverride)
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{
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parameterOverride.bindingMask.action = action.name;
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var actionMap = action.GetOrCreateActionMap();
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actionMap.ResolveBindingsIfNecessary();
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foreach (var parameter in new ParameterEnumerable(actionMap.m_State, parameterOverride, actionMap.m_MapIndexInState))
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{
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var value = parameter.field.GetValue(parameter.instance);
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return PrimitiveValue.FromObject(value);
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}
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return null;
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}
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/// <summary>
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/// Return the current value of the given parameter as found on the processors, interactions, or composites
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/// of the action's current bindings.
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/// </summary>
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/// <param name="action">Action on whose bindings to look for the value of the given parameter.</param>
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/// <param name="name">Name of the parameter to get the value of. Case-insensitive. This can either be just the name of the
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/// parameter (like <c>"duration"</c> or expressed as <c>nameof(TapInteraction.duration)</c>) or can be prefixed with the
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/// type of object to get the parameter value from. For example, <c>"tap:duration"</c> will specifically get the <c>"duration"</c>
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/// parameter from the object registered as <c>"tap"</c> (which will usually be <see cref="Interactions.TapInteraction"/>).</param>
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/// <param name="bindingIndex">Index of the binding in <paramref name="action"/>'s <see cref="InputAction.bindings"/>
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/// to look for processors, interactions, and composites on.</param>
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/// <returns>The current value of the given parameter or <c>null</c> if the parameter not could be found.</returns>
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/// <remarks>
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/// This method is a variation of <see cref="ApplyParameterOverride(InputActionMap,string,PrimitiveValue,InputBinding)"/>
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/// to specifically target a single binding by index. Otherwise, the method is identical in functionality.
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/// </remarks>
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/// <exception cref="ArgumentNullException"><paramref name="action"/> is <c>null</c> -or- <paramref name="name"/> is <c>null</c></exception>
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public static PrimitiveValue? GetParameterValue(this InputAction action, string name, int bindingIndex)
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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if (string.IsNullOrEmpty(name))
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throw new ArgumentNullException(nameof(name));
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if (bindingIndex < 0)
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throw new ArgumentOutOfRangeException(nameof(bindingIndex));
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var indexOnMap = action.BindingIndexOnActionToBindingIndexOnMap(bindingIndex);
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var bindingMask = new InputBinding { id = action.GetOrCreateActionMap().bindings[indexOnMap].id };
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return action.GetParameterValue(name, bindingMask);
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}
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/// <summary>
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/// Return the current value of the given parameter as found on the processors, interactions, or composites
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/// of the action's current bindings.
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/// </summary>
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/// <param name="action">Action on whose bindings to look for the value of the given parameter.</param>
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/// <param name="expr">An expression such as <c>(TapInteraction x) => x.duration</c> that determines the
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/// name and type of the parameter being looked for.</param>
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/// <param name="bindingMask">Optional mask that determines on which bindings to look for objects with parameters. If used, only
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/// bindings that match (see <see cref="InputBinding.Matches"/>) the given mask will be taken into account.</param>
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/// <returns>The current value of the given parameter or <c>null</c> if the parameter not could be found.</returns>
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/// <remarks>
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/// This method is a variation of <see cref="ApplyParameterOverride(InputActionMap,string,PrimitiveValue,InputBinding)"/>
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/// that encapsulates a reference to the name of the parameter and the type of object it is found on in a way that is
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/// type-safe and does not involve strings.
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///
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/// <example>
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/// <code>
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/// // Get the "duration" parameter from a TapInteraction.
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/// // This is equivalent to calling GetParameterValue("tap:duration")
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/// // but will return a float? instead of a PrimitiveValue?.
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/// action.GetParameterValue((TapInteraction x) => x.duration)
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/// </code>
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/// </example>
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/// </remarks>
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/// <exception cref="ArgumentNullException"><paramref name="action"/> is <c>null</c> -or- <paramref name="expr"/> is <c>null</c></exception>
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/// <seealso cref="ApplyParameterOverride{TObject,TValue}(InputAction,Expression{Func{TObject,TValue}},TValue,InputBinding)"/>
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public static unsafe TValue? GetParameterValue<TObject, TValue>(this InputAction action, Expression<Func<TObject, TValue>> expr, InputBinding bindingMask = default)
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where TValue : struct
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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if (expr == null)
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throw new ArgumentNullException(nameof(expr));
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var parameterOverride = ExtractParameterOverride(expr, bindingMask);
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var value = action.GetParameterValue(parameterOverride);
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if (value == null)
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return null;
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// Type is guaranteed to match but just in case,
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// make extra sure with a check here.
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if (Type.GetTypeCode(typeof(TValue)) == value.Value.type)
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{
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// Can't just cast here so use UnsafeUtility to work around that.
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var v = value.Value;
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var result = default(TValue);
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UnsafeUtility.MemCpy(UnsafeUtility.AddressOf(ref result),
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v.valuePtr,
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UnsafeUtility.SizeOf<TValue>());
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return result;
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}
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// Shouldn't get here but just in case, do a conversion using C#'s Convert
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// machinery as a fallback.
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return (TValue)Convert.ChangeType(value.Value.ToObject(), typeof(TValue));
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}
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/// <summary>
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/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
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/// and <see cref="InputProcessor"/> objects found on the <see cref="InputAction.bindings"/> of <paramref name="action"/>.
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/// </summary>
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/// <param name="action">An action on whose <see cref="InputAction.bindings"/> to look for objects to set
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/// the parameter value on.</param>
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/// <param name="expr">An expression such as <c>(TapInteraction x) => x.duration</c> that determines the
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/// name and type of the parameter whose value to set.</param>
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/// <param name="value">New value to assign to the parameter.</param>
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/// <param name="bindingMask">Optional mask that determines on which bindings to look for objects with parameters. If used, only
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/// bindings that match (see <see cref="InputBinding.Matches"/>) the given mask will have the override applied to them.</param>
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/// <exception cref="ArgumentNullException"><paramref name="action"/> is <c>null</c> -or- <paramref name="expr"/> is <c>null</c>
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/// or empty.</exception>
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/// <remarks>
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/// This method is a variation of <see cref="ApplyParameterOverride(InputAction,string,PrimitiveValue,InputBinding)"/>
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/// that encapsulates a reference to the name of the parameter and the type of object it is found on in a way that is
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/// type-safe and does not involve strings.
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///
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/// <example>
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/// <code>
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/// // Override the "duration" parameter from a TapInteraction.
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/// // This is equivalent to calling ApplyParameterOverride("tap:duration", 0.4f).
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/// action.ApplyParameterOverride((TapInteraction x) => x.duration, 0.4f);
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/// </code>
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/// </example>
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/// </remarks>
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/// <seealso cref="GetParameterValue{TObject,TValue}(InputAction,Expression{Func{TObject,TValue}},InputBinding)"/>
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public static void ApplyParameterOverride<TObject, TValue>(this InputAction action, Expression<Func<TObject, TValue>> expr, TValue value,
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InputBinding bindingMask = default)
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where TValue : struct
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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if (expr == null)
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throw new ArgumentNullException(nameof(expr));
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var actionMap = action.GetOrCreateActionMap();
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actionMap.ResolveBindingsIfNecessary();
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bindingMask.action = action.name;
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var parameterOverride = ExtractParameterOverride(expr, bindingMask, PrimitiveValue.From(value));
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ApplyParameterOverride(actionMap.m_State, actionMap.m_MapIndexInState,
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ref actionMap.m_ParameterOverrides, ref actionMap.m_ParameterOverridesCount,
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parameterOverride);
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}
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/// <summary>
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/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
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/// and <see cref="InputProcessor"/> objects found on the <see cref="InputActionMap.bindings"/> of <paramref name="actionMap"/>.
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/// </summary>
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/// <param name="actionMap">An action on whose <see cref="InputActionMap.bindings"/> to look for objects to set
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/// the parameter value on.</param>
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/// <param name="expr">An expression such as <c>(TapInteraction x) => x.duration</c> that determines the
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/// name and type of the parameter whose value to set.</param>
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/// <param name="value">New value to assign to the parameter.</param>
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/// <param name="bindingMask">Optional mask that determines on which bindings to look for objects with parameters. If used, only
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/// bindings that match (see <see cref="InputBinding.Matches"/>) the given mask will have the override applied to them.</param>
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/// <exception cref="ArgumentNullException"><paramref name="actionMap"/> is <c>null</c> -or- <paramref name="expr"/> is <c>null</c>
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/// or empty.</exception>
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/// <remarks>
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/// This method is a variation of <see cref="ApplyParameterOverride(InputActionMap,string,PrimitiveValue,InputBinding)"/>
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/// that encapsulates a reference to the name of the parameter and the type of object it is found on in a way that is
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/// type-safe and does not involve strings.
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///
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/// <example>
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/// <code>
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/// // Override the "duration" parameter from a TapInteraction.
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/// // This is equivalent to calling mApplyParameterOverride("tap:duration", 0.4f).
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/// actionMap.ApplyParameterOverride((TapInteraction x) => x.duration, 0.4f);
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/// </code>
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/// </example>
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/// </remarks>
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/// <seealso cref="GetParameterValue{TObject,TValue}(InputAction,Expression{Func{TObject,TValue}},InputBinding)"/>
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public static void ApplyParameterOverride<TObject, TValue>(this InputActionMap actionMap, Expression<Func<TObject, TValue>> expr, TValue value,
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InputBinding bindingMask = default)
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where TValue : struct
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{
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if (actionMap == null)
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throw new ArgumentNullException(nameof(actionMap));
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if (expr == null)
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throw new ArgumentNullException(nameof(expr));
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actionMap.ResolveBindingsIfNecessary();
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var parameterOverride = ExtractParameterOverride(expr, bindingMask, PrimitiveValue.From(value));
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ApplyParameterOverride(actionMap.m_State, actionMap.m_MapIndexInState,
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ref actionMap.m_ParameterOverrides, ref actionMap.m_ParameterOverridesCount,
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parameterOverride);
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}
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/// <summary>
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/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
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/// and <see cref="InputProcessor"/> objects found on the <see cref="InputActionMap.bindings"/> of the <see cref="InputActionAsset.actionMaps"/>
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/// in <paramref name="asset"/>.
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/// </summary>
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/// <param name="asset">An asset on whose <see cref="InputActionMap.bindings"/> to look for objects to set
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/// the parameter value on.</param>
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/// <param name="expr">An expression such as <c>(TapInteraction x) => x.duration</c> that determines the
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/// name and type of the parameter whose value to set.</param>
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/// <param name="value">New value to assign to the parameter.</param>
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/// <param name="bindingMask">Optional mask that determines on which bindings to look for objects with parameters. If used, only
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/// bindings that match (see <see cref="InputBinding.Matches"/>) the given mask will have the override applied to them.</param>
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/// <exception cref="ArgumentNullException"><paramref name="asset"/> is <c>null</c> -or- <paramref name="expr"/> is <c>null</c>
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/// or empty.</exception>
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/// <remarks>
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/// This method is a variation of <see cref="ApplyParameterOverride(InputActionAsset,string,PrimitiveValue,InputBinding)"/>
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/// that encapsulates a reference to the name of the parameter and the type of object it is found on in a way that is
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/// type-safe and does not involve strings.
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///
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/// <example>
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/// <code>
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/// // Override the "duration" parameter from a TapInteraction.
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/// // This is equivalent to calling mApplyParameterOverride("tap:duration", 0.4f).
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/// asset.ApplyParameterOverride((TapInteraction x) => x.duration, 0.4f);
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/// </code>
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/// </example>
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/// </remarks>
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/// <seealso cref="GetParameterValue{TObject,TValue}(InputAction,Expression{Func{TObject,TValue}},InputBinding)"/>
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public static void ApplyParameterOverride<TObject, TValue>(this InputActionAsset asset, Expression<Func<TObject, TValue>> expr, TValue value,
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InputBinding bindingMask = default)
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where TValue : struct
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{
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if (asset == null)
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throw new ArgumentNullException(nameof(asset));
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if (expr == null)
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throw new ArgumentNullException(nameof(expr));
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asset.ResolveBindingsIfNecessary();
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var parameterOverride = ExtractParameterOverride(expr, bindingMask, PrimitiveValue.From(value));
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ApplyParameterOverride(asset.m_SharedStateForAllMaps, -1,
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ref asset.m_ParameterOverrides, ref asset.m_ParameterOverridesCount,
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parameterOverride);
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}
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private static ParameterOverride ExtractParameterOverride<TObject, TValue>(Expression<Func<TObject, TValue>> expr,
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InputBinding bindingMask = default, PrimitiveValue value = default)
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{
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if (!(expr is LambdaExpression lambda))
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throw new ArgumentException($"Expression must be a LambdaExpression but was a {expr.GetType().Name} instead", nameof(expr));
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if (!(lambda.Body is MemberExpression body))
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{
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// If the field type in the lambda doesn't match the TValue type being used,
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// but there is a coercion, the compiler will automatically insert a Convert(x.name, TValue)
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// expression.
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if (lambda.Body is UnaryExpression unary && unary.NodeType == ExpressionType.Convert && unary.Operand is MemberExpression b)
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{
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body = b;
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}
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else
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{
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throw new ArgumentException(
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$"Body in LambdaExpression must be a MemberExpression (x.name) but was a {expr.GetType().Name} instead",
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nameof(expr));
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}
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}
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string objectRegistrationName;
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if (typeof(InputProcessor).IsAssignableFrom(typeof(TObject)))
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objectRegistrationName = InputProcessor.s_Processors.FindNameForType(typeof(TObject));
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else if (typeof(IInputInteraction).IsAssignableFrom(typeof(TObject)))
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objectRegistrationName = InputInteraction.s_Interactions.FindNameForType(typeof(TObject));
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else if (typeof(InputBindingComposite).IsAssignableFrom(typeof(TObject)))
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objectRegistrationName = InputBindingComposite.s_Composites.FindNameForType(typeof(TObject));
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else
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throw new ArgumentException(
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$"Given type must be an InputProcessor, IInputInteraction, or InputBindingComposite (was {typeof(TObject).Name})",
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nameof(TObject));
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return new ParameterOverride(objectRegistrationName, body.Member.Name, bindingMask, value);
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}
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/// <summary>
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/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
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/// and <see cref="InputProcessor"/> objects found on the <see cref="InputActionMap.bindings"/> of <paramref name="actionMap"/>.
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/// </summary>
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/// <param name="actionMap">An action map on whose <see cref="InputActionMap.bindings"/> to look for objects to set
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/// the parameter value on.</param>
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/// <param name="name">Name of the parameter to get the value of. Case-insensitive. This can either be just the name of the
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/// parameter (like <c>"duration"</c> or expressed as <c>nameof(TapInteraction.duration)</c>) or can be prefixed with the
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/// type of object to get the parameter value from. For example, <c>"tap:duration"</c> will specifically get the <c>"duration"</c>
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/// parameter from the object registered as <c>"tap"</c> (which will usually be <see cref="Interactions.TapInteraction"/>).</param>
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/// <param name="value">New value to assign to the parameter.</param>
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/// <param name="bindingMask">A binding mask that determines which of <paramref name="actionMap"/>'s <see cref="InputActionMap.bindings"/>
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/// to apply the override to. By default this is empty which leads to the override to be applied to all bindings in the map.</param>
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/// <remarks>
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/// This method both directly applies the new value and also stores the override internally.
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///
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/// If an override for the same parameter <paramref name="name"/> and with the same <paramref name="bindingMask"/> already exists,
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/// its value is simply updated. No new override will be created.
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///
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/// You can use this method to set parameters (public fields) on composites, interactions, and processors that are created
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/// from bindings.
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///
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/// <example>
|
|
/// <code>
|
|
/// // Create an action map with two actions.
|
|
/// var map = new InputActionMap();
|
|
/// var action1 = map.AddAction("action1");
|
|
/// var action2 = map.AddAction("action2");
|
|
///
|
|
/// // Add a binding to each action to which a "ClampProcessor" is applied.
|
|
/// // This processor has two parameters:
|
|
/// // - "min" (float)
|
|
/// // - "max" (float)
|
|
/// action1.AddBinding(">Gamepad>/rightTrigger", processors: "clamp(min=0.2,max=0.8)");
|
|
/// action2.AddBinding(">Gamepad>/leftTrigger", processors: "clamp(min=0.2,max=0.8)");
|
|
///
|
|
/// // Apply parameter overrides to set the values differently.
|
|
/// // This will apply the setting to *both* the bindings on action1 *and* action2.
|
|
/// map.ApplyParameterOverride("min", 0.3f);
|
|
/// map.ApplyParameterOverride("max", 0.9f);
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// An override can optionally be directed at a specific type of object.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// map.ApplyParameterOverride("clamp:min", 0.3f);
|
|
/// map.ApplyParameterOverride("clamp:max", 0.9f);
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// By default, the parameter override will apply to all bindings in the map. To limit the override
|
|
/// to specific bindings, you can supply a <paramref name="bindingMask"/>.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// // Apply a parameter override only to action1.
|
|
/// map.ApplyBindingOverride("clamp:min", 0.25f, new InputBinding { action = action1.name });
|
|
///
|
|
/// // Apply a parameter override only to a specific binding path.
|
|
/// map.ApplyBindingOverride("clamp:min", 0.4f, new InputBinding { path = "<Gamepad>/leftTrigger" });
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// If multiple overrides exist for the same parameter, an attempt is made to choose the override that is most specific.
|
|
/// Say, that you apply an override for <c>"duration"</c> on an entire <see cref="InputActionAsset"/> using
|
|
/// <see cref="ApplyParameterOverride(InputActionAsset,String,PrimitiveValue,InputBinding)"/>. But then you also apply
|
|
/// an override to just an individual <see cref="InputAction"/> inside the asset. In this case, the <c>"duration"</c>
|
|
/// override for just that action will be applied to bindings of that action and the override inside the asset will
|
|
/// be applied to bindings of all other actions. Note that if multiple overrides exist that could all be considered
|
|
/// equally valid, the behavior is undecided.
|
|
///
|
|
/// Note that parameter overrides stay in place on the map. Like binding overrides, however, they are not
|
|
/// automatically persisted and thus need to be reapplied when actions are loaded from assets. This will, however, be applied
|
|
/// automatically to bindings added to the action in the future as well as whenever bindings are resolved to controls.
|
|
/// </remarks>
|
|
/// <exception cref="ArgumentNullException"><paramref name="actionMap"/> is <c>null</c> -or- <paramref name="name"/> is <c>null</c>
|
|
/// or empty.</exception>
|
|
/// <seealso cref="GetParameterValue(InputAction,string,InputBinding)"/>
|
|
public static void ApplyParameterOverride(this InputActionMap actionMap, string name, PrimitiveValue value, InputBinding bindingMask = default)
|
|
{
|
|
if (actionMap == null)
|
|
throw new ArgumentNullException(nameof(actionMap));
|
|
if (string.IsNullOrEmpty(name))
|
|
throw new ArgumentNullException(nameof(name));
|
|
|
|
actionMap.ResolveBindingsIfNecessary();
|
|
|
|
ApplyParameterOverride(actionMap.m_State, actionMap.m_MapIndexInState,
|
|
ref actionMap.m_ParameterOverrides, ref actionMap.m_ParameterOverridesCount,
|
|
new ParameterOverride(name, bindingMask, value));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
|
|
/// and <see cref="InputProcessor"/> objects found on the <see cref="InputActionMap.bindings"/> of each of the <see cref="InputActionAsset.actionMaps"/>
|
|
/// in <paramref name="asset"/>.
|
|
/// </summary>
|
|
/// <param name="asset">An <c>.inputactions</c> asset on whose <see cref="InputActionMap.bindings"/> to look for objects to set
|
|
/// the parameter value on.</param>
|
|
/// <param name="name">Name of the parameter to get the value of. Case-insensitive. This can either be just the name of the
|
|
/// parameter (like <c>"duration"</c> or expressed as <c>nameof(TapInteraction.duration)</c>) or can be prefixed with the
|
|
/// type of object to get the parameter value from. For example, <c>"tap:duration"</c> will specifically get the <c>"duration"</c>
|
|
/// parameter from the object registered as <c>"tap"</c> (which will usually be <see cref="Interactions.TapInteraction"/>).</param>
|
|
/// <param name="value">New value to assign to the parameter.</param>
|
|
/// <param name="bindingMask">A binding mask that determines which of the <see cref="InputActionMap.bindings"/>
|
|
/// to apply the override to. By default this is empty which leads to the override to be applied to all bindings in the asset.</param>
|
|
/// <remarks>
|
|
/// This method both directly applies the new value and also stores the override internally.
|
|
///
|
|
/// If an override for the same parameter <paramref name="name"/> and with the same <paramref name="bindingMask"/> already exists,
|
|
/// its value is simply updated. No new override will be created.
|
|
///
|
|
/// You can use this method to set parameters (public fields) on composites, interactions, and processors that are created
|
|
/// from bindings.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// // Create an asset with one action map and two actions.
|
|
/// var asset = ScriptableObject.CreateInstance<InputActionAsset>();
|
|
/// var map = asset.AddActionMap("map");
|
|
/// var action1 = map.AddAction("action1");
|
|
/// var action2 = map.AddAction("action2");
|
|
///
|
|
/// // Add a binding to each action to which a "ClampProcessor" is applied.
|
|
/// // This processor has two parameters:
|
|
/// // - "min" (float)
|
|
/// // - "max" (float)
|
|
/// action1.AddBinding(">Gamepad>/rightTrigger", processors: "clamp(min=0.2,max=0.8)");
|
|
/// action2.AddBinding(">Gamepad>/leftTrigger", processors: "clamp(min=0.2,max=0.8)");
|
|
///
|
|
/// // Apply parameter overrides to set the values differently.
|
|
/// // This will apply the setting to *both* the bindings on action1 *and* action2.
|
|
/// asset.ApplyParameterOverride("min", 0.3f);
|
|
/// asset.ApplyParameterOverride("max", 0.9f);
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// An override can optionally be directed at a specific type of object.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// asset.ApplyParameterOverride("clamp:min", 0.3f);
|
|
/// asset.ApplyParameterOverride("clamp:max", 0.9f);
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// By default, the parameter override will apply to all bindings in the asset. To limit the override
|
|
/// to specific bindings, you can supply a <paramref name="bindingMask"/>.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// // Apply a parameter override only to action1.
|
|
/// asset.ApplyBindingOverride("clamp:min", 0.25f, new InputBinding { action = action1.name });
|
|
///
|
|
/// // Apply a parameter override only to a specific binding path.
|
|
/// asset.ApplyBindingOverride("clamp:min", 0.4f, new InputBinding { path = "<Gamepad>/leftTrigger" });
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// If multiple overrides exist for the same parameter, an attempt is made to choose the override that is most specific.
|
|
/// Say, that you apply an override for <c>"duration"</c> on an entire <see cref="InputActionAsset"/> using
|
|
/// <see cref="ApplyParameterOverride(InputActionAsset,String,PrimitiveValue,InputBinding)"/>. But then you also apply
|
|
/// an override to just an individual <see cref="InputAction"/> inside the asset. In this case, the <c>"duration"</c>
|
|
/// override for just that action will be applied to bindings of that action and the override inside the asset will
|
|
/// be applied to bindings of all other actions. Note that if multiple overrides exist that could all be considered
|
|
/// equally valid, the behavior is undecided.
|
|
///
|
|
/// Note that parameter overrides stay in place on the map. Like binding overrides, however, they are not
|
|
/// automatically persisted and thus need to be reapplied when actions are loaded from assets. This will, however, be applied
|
|
/// automatically to bindings added to the action in the future as well as whenever bindings are resolved to controls.
|
|
/// </remarks>
|
|
/// <exception cref="ArgumentNullException"><paramref name="asset"/> is <c>null</c> -or- <paramref name="name"/> is <c>null</c>
|
|
/// or empty.</exception>
|
|
/// <seealso cref="GetParameterValue(InputAction,string,InputBinding)"/>
|
|
public static void ApplyParameterOverride(this InputActionAsset asset, string name, PrimitiveValue value, InputBinding bindingMask = default)
|
|
{
|
|
if (asset == null)
|
|
throw new ArgumentNullException(nameof(asset));
|
|
if (string.IsNullOrEmpty(name))
|
|
throw new ArgumentNullException(nameof(name));
|
|
|
|
asset.ResolveBindingsIfNecessary();
|
|
|
|
ApplyParameterOverride(asset.m_SharedStateForAllMaps, -1,
|
|
ref asset.m_ParameterOverrides, ref asset.m_ParameterOverridesCount,
|
|
new ParameterOverride(name, bindingMask, value));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
|
|
/// and <see cref="InputProcessor"/> objects found on the <see cref="InputAction.bindings"/> of <paramref name="action"/>.
|
|
/// </summary>
|
|
/// <param name="action">An action on whose <see cref="InputAction.bindings"/> to look for objects to set
|
|
/// the parameter value on.</param>
|
|
/// <param name="name">Name of the parameter to get the value of. Case-insensitive. This can either be just the name of the
|
|
/// parameter (like <c>"duration"</c> or expressed as <c>nameof(TapInteraction.duration)</c>) or can be prefixed with the
|
|
/// type of object to get the parameter value from. For example, <c>"tap:duration"</c> will specifically get the <c>"duration"</c>
|
|
/// parameter from the object registered as <c>"tap"</c> (which will usually be <see cref="Interactions.TapInteraction"/>).</param>
|
|
/// <param name="value">New value to assign to the parameter.</param>
|
|
/// <param name="bindingMask">A binding mask that determines which of <paramref name="action"/>'s <see cref="InputAction.bindings"/>
|
|
/// to apply the override to. By default this is empty which leads to the override to be applied to all bindings of the action.</param>
|
|
/// <remarks>
|
|
/// This method both directly applies the new value and also stores the override internally.
|
|
///
|
|
/// If an override for the same parameter <paramref name="name"/> on the same <paramref name="action"/> and with the same
|
|
/// <paramref name="bindingMask"/> already exists, its value is simply updated. No new override will be created.
|
|
///
|
|
/// You can use this method to set parameters (public fields) on composites, interactions, and processors that are created
|
|
/// from bindings.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// // Create an action with a binding that has a "ClampProcessor" applied to it.
|
|
/// // This processor has two parameters:
|
|
/// // - "min" (float)
|
|
/// // - "max" (float)
|
|
/// var action = new InputAction(binding: ">Gamepad>/rightTrigger", processors: "clamp(min=0.2,max=0.8)");
|
|
///
|
|
/// // Apply parameter overrides to set the values differently.
|
|
/// action.ApplyParameterOverride("min", 0.3f);
|
|
/// action.ApplyParameterOverride("max", 0.9f);
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// An override can optionally be directed at a specific type of object.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// // Create an action with both a "tap" and a "hold" interaction. Both have a
|
|
/// // "duration" parameter.
|
|
/// var action = new InputAction(binding: "<Gamepad>/buttonSouth", interactions: "tap;hold");
|
|
///
|
|
/// // Apply parameter overrides individually to the two.
|
|
/// action.ApplyParameterOverride("tap:duration", 0.6f);
|
|
/// action.ApplyParameterOverride("hold:duration", 4f);
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// By default, the parameter override will apply to all bindings on the action. To limit the override
|
|
/// to specific bindings, you can supply a <paramref name="bindingMask"/>.
|
|
///
|
|
/// <example>
|
|
/// <code>
|
|
/// // Create a "look" style action with a mouse and a gamepad binding.
|
|
/// var lookAction = new InputAction();
|
|
/// lookAction.AddBinding("<Mouse>/delta", processors: "scaleVector2", groups: "Mouse");
|
|
/// lookAction.AddBinding("<Gamepad>/rightStick", processors: "scaleVector2", groups: "Gamepad");
|
|
///
|
|
/// // Override scaling of the mouse delta individually.
|
|
/// lookAction.ApplyBindingOverride("scaleVector2:x", 0.25f, InputBinding.MaskByGroup("Mouse"));
|
|
/// lookAction.ApplyBindingOverride("scaleVector2:y", 0.25f, InputBinding.MaskByGroup("Mouse"));
|
|
///
|
|
/// // Can also do that by path.
|
|
/// lookAction.ApplyBindingOverride("scaleVector2:x", 0.25f, new InputBinding("<Mouse>/delta"));
|
|
/// lookAction.ApplyBindingOverride("scaleVector2:y", 0.25f, new InputBinding("<Mouse>/delta"));
|
|
/// </code>
|
|
/// </example>
|
|
///
|
|
/// Note that parameter overrides stay in place on the action. Like binding overrides, however, they are not
|
|
/// automatically persisted and thus need to be reapplied when actions are loaded from assets. This will, however, be applied
|
|
/// automatically to bindings added to the action in the future as well as whenever bindings for the action are resolved.
|
|
/// </remarks>
|
|
/// <exception cref="ArgumentNullException"><paramref name="action"/> is <c>null</c> -or- <paramref name="name"/> is <c>null</c>
|
|
/// or empty.</exception>
|
|
/// <seealso cref="GetParameterValue(InputAction,string,InputBinding)"/>
|
|
public static void ApplyParameterOverride(this InputAction action, string name, PrimitiveValue value, InputBinding bindingMask = default)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
if (name == null)
|
|
throw new ArgumentNullException(nameof(name));
|
|
|
|
var actionMap = action.GetOrCreateActionMap();
|
|
actionMap.ResolveBindingsIfNecessary();
|
|
bindingMask.action = action.name;
|
|
|
|
ApplyParameterOverride(actionMap.m_State, actionMap.m_MapIndexInState,
|
|
ref actionMap.m_ParameterOverrides, ref actionMap.m_ParameterOverridesCount,
|
|
new ParameterOverride(name, bindingMask, value));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set the value of the given parameter on the <see cref="InputBindingComposite"/>, <see cref="IInputInteraction"/>,
|
|
/// and <see cref="InputProcessor"/> objects found on the <see cref="InputAction.bindings"/> of <paramref name="action"/>.
|
|
/// </summary>
|
|
/// <param name="action">An action on whose <see cref="InputAction.bindings"/> to look for objects to set
|
|
/// the parameter value on.</param>
|
|
/// <param name="name">Name of the parameter to get the value of. Case-insensitive. This can either be just the name of the
|
|
/// parameter (like <c>"duration"</c> or expressed as <c>nameof(TapInteraction.duration)</c>) or can be prefixed with the
|
|
/// type of object to get the parameter value from. For example, <c>"tap:duration"</c> will specifically get the <c>"duration"</c>
|
|
/// parameter from the object registered as <c>"tap"</c> (which will usually be <see cref="Interactions.TapInteraction"/>).</param>
|
|
/// <param name="value">New value to assign to the parameter.</param>
|
|
/// <param name="bindingIndex">Index of the binding in <see cref="InputAction.bindings"/> of <paramref name="action"/> to which
|
|
/// to restrict the parameter override to.</param>
|
|
/// <exception cref="ArgumentOutOfRangeException"><paramref name="bindingIndex"/> is negative or equal or greater than the number of
|
|
/// <see cref="InputAction.bindings"/> of <paramref name="action"/>.</exception>
|
|
/// <exception cref="ArgumentNullException"><paramref name="action"/> is <c>null</c> -or- <paramref name="name"/> is <c>null</c>
|
|
/// or empty.</exception>
|
|
/// <remarks>
|
|
/// This method is a variation of <see cref="ApplyParameterOverride(InputActionMap,string,PrimitiveValue,InputBinding)"/> which
|
|
/// allows specifying a binding by index. It otherwise behaves identically to that method.
|
|
/// </remarks>
|
|
public static void ApplyParameterOverride(this InputAction action, string name, PrimitiveValue value, int bindingIndex)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
if (string.IsNullOrEmpty(name))
|
|
throw new ArgumentNullException(nameof(name));
|
|
if (bindingIndex < 0)
|
|
throw new ArgumentOutOfRangeException(nameof(bindingIndex));
|
|
|
|
var indexOnMap = action.BindingIndexOnActionToBindingIndexOnMap(bindingIndex);
|
|
var bindingMask = new InputBinding { id = action.GetOrCreateActionMap().bindings[indexOnMap].id };
|
|
|
|
action.ApplyParameterOverride(name, value, bindingMask);
|
|
}
|
|
|
|
private static void ApplyParameterOverride(InputActionState state, int mapIndex,
|
|
ref ParameterOverride[] parameterOverrides, ref int parameterOverridesCount, ParameterOverride parameterOverride)
|
|
{
|
|
// Update the parameter overrides on the map or asset.
|
|
var haveExistingOverride = false;
|
|
if (parameterOverrides != null)
|
|
{
|
|
// Try to find existing override.
|
|
for (var i = 0; i < parameterOverridesCount; ++i)
|
|
{
|
|
ref var p = ref parameterOverrides[i];
|
|
if (string.Equals(p.objectRegistrationName, parameterOverride.objectRegistrationName, StringComparison.OrdinalIgnoreCase) &&
|
|
string.Equals(p.parameter, parameterOverride.parameter, StringComparison.OrdinalIgnoreCase) &&
|
|
p.bindingMask == parameterOverride.bindingMask)
|
|
{
|
|
haveExistingOverride = true;
|
|
// Update value on existing override.
|
|
p = parameterOverride;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!haveExistingOverride)
|
|
{
|
|
// Add new override.
|
|
ArrayHelpers.AppendWithCapacity(ref parameterOverrides, ref parameterOverridesCount, parameterOverride);
|
|
}
|
|
|
|
// Set value on all current processor and/or interaction instances that use the parameter.
|
|
foreach (var parameter in new ParameterEnumerable(state, parameterOverride, mapIndex))
|
|
{
|
|
// We cannot just blindly apply the parameter here as the override we have set may be less
|
|
// specific than an override we already have applied. So instead, we look up the most specific
|
|
// override and set that.
|
|
var actionMap = state.GetActionMap(parameter.bindingIndex);
|
|
ref var binding = ref state.GetBinding(parameter.bindingIndex);
|
|
var overrideToApply = ParameterOverride.Find(actionMap, ref binding, parameterOverride.parameter,
|
|
parameterOverride.objectRegistrationName);
|
|
if (overrideToApply.HasValue)
|
|
{
|
|
var fieldTypeCode = Type.GetTypeCode(parameter.field.FieldType);
|
|
parameter.field.SetValue(parameter.instance, overrideToApply.Value.value.ConvertTo(fieldTypeCode).ToObject());
|
|
}
|
|
}
|
|
}
|
|
|
|
internal struct Parameter
|
|
{
|
|
public object instance;
|
|
public FieldInfo field;
|
|
public int bindingIndex;
|
|
}
|
|
|
|
// Finds all instances of a parameter in one or more actions.
|
|
private struct ParameterEnumerable : IEnumerable<Parameter>
|
|
{
|
|
private InputActionState m_State;
|
|
private ParameterOverride m_Parameter;
|
|
private int m_MapIndex;
|
|
|
|
public ParameterEnumerable(InputActionState state, ParameterOverride parameter, int mapIndex = -1)
|
|
{
|
|
m_State = state;
|
|
m_Parameter = parameter;
|
|
m_MapIndex = mapIndex;
|
|
}
|
|
|
|
public ParameterEnumerator GetEnumerator()
|
|
{
|
|
return new ParameterEnumerator(m_State, m_Parameter, m_MapIndex);
|
|
}
|
|
|
|
IEnumerator<Parameter> IEnumerable<Parameter>.GetEnumerator()
|
|
{
|
|
return GetEnumerator();
|
|
}
|
|
|
|
IEnumerator IEnumerable.GetEnumerator()
|
|
{
|
|
return GetEnumerator();
|
|
}
|
|
}
|
|
|
|
private struct ParameterEnumerator : IEnumerator<Parameter>
|
|
{
|
|
private InputActionState m_State;
|
|
private int m_MapIndex;
|
|
private int m_BindingCurrentIndex;
|
|
private int m_BindingEndIndex;
|
|
private int m_InteractionCurrentIndex;
|
|
private int m_InteractionEndIndex;
|
|
private int m_ProcessorCurrentIndex;
|
|
private int m_ProcessorEndIndex;
|
|
|
|
private InputBinding m_BindingMask;
|
|
private Type m_ObjectType;
|
|
private string m_ParameterName;
|
|
private bool m_MayBeInteraction;
|
|
private bool m_MayBeProcessor;
|
|
private bool m_MayBeComposite;
|
|
private bool m_CurrentBindingIsComposite;
|
|
private object m_CurrentObject;
|
|
private FieldInfo m_CurrentParameter;
|
|
|
|
public ParameterEnumerator(InputActionState state, ParameterOverride parameter, int mapIndex = -1)
|
|
: this()
|
|
{
|
|
m_State = state;
|
|
m_ParameterName = parameter.parameter;
|
|
m_MapIndex = mapIndex;
|
|
m_ObjectType = parameter.objectType;
|
|
m_MayBeComposite = m_ObjectType == null || typeof(InputBindingComposite).IsAssignableFrom(m_ObjectType);
|
|
m_MayBeProcessor = m_ObjectType == null || typeof(InputProcessor).IsAssignableFrom(m_ObjectType);
|
|
m_MayBeInteraction = m_ObjectType == null || typeof(IInputInteraction).IsAssignableFrom(m_ObjectType);
|
|
m_BindingMask = parameter.bindingMask;
|
|
Reset();
|
|
}
|
|
|
|
private bool MoveToNextBinding()
|
|
{
|
|
// Find a binding that matches our mask.
|
|
while (true)
|
|
{
|
|
++m_BindingCurrentIndex;
|
|
if (m_BindingCurrentIndex >= m_BindingEndIndex)
|
|
return false; // Reached the end.
|
|
|
|
ref var binding = ref m_State.GetBinding(m_BindingCurrentIndex);
|
|
ref var bindingState = ref m_State.GetBindingState(m_BindingCurrentIndex);
|
|
|
|
// Skip any binding that has no associated objects with parameters.
|
|
if (bindingState.processorCount == 0 && bindingState.interactionCount == 0 && !binding.isComposite)
|
|
continue;
|
|
|
|
// If we're only looking for composites, skip any binding that isn't one.
|
|
if (m_MayBeComposite && !m_MayBeProcessor && !m_MayBeInteraction && !binding.isComposite)
|
|
continue;
|
|
|
|
// If we're only looking for processors, skip any that hasn't got any.
|
|
if (m_MayBeProcessor && !m_MayBeComposite && !m_MayBeInteraction && bindingState.processorCount == 0)
|
|
continue;
|
|
|
|
// If we're only looking for interactions, skip any that hasn't got any.
|
|
if (m_MayBeInteraction && !m_MayBeComposite && !m_MayBeProcessor && bindingState.interactionCount == 0)
|
|
continue;
|
|
|
|
if (m_BindingMask.Matches(ref binding))
|
|
{
|
|
if (m_MayBeComposite)
|
|
m_CurrentBindingIsComposite = binding.isComposite;
|
|
|
|
// Reset interaction and processor count.
|
|
m_ProcessorCurrentIndex = bindingState.processorStartIndex - 1; // Minus one to account for first MoveNext().
|
|
m_ProcessorEndIndex = bindingState.processorStartIndex + bindingState.processorCount;
|
|
m_InteractionCurrentIndex = bindingState.interactionStartIndex - 1; // Minus one to account for first MoveNext().
|
|
m_InteractionEndIndex = bindingState.interactionStartIndex + bindingState.interactionCount;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
private bool MoveToNextInteraction()
|
|
{
|
|
while (m_InteractionCurrentIndex < m_InteractionEndIndex)
|
|
{
|
|
++m_InteractionCurrentIndex;
|
|
if (m_InteractionCurrentIndex == m_InteractionEndIndex)
|
|
break;
|
|
var interaction = m_State.interactions[m_InteractionCurrentIndex];
|
|
if (FindParameter(interaction))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private bool MoveToNextProcessor()
|
|
{
|
|
while (m_ProcessorCurrentIndex < m_ProcessorEndIndex)
|
|
{
|
|
++m_ProcessorCurrentIndex;
|
|
if (m_ProcessorCurrentIndex == m_ProcessorEndIndex)
|
|
break;
|
|
var processor = m_State.processors[m_ProcessorCurrentIndex];
|
|
if (FindParameter(processor))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private bool FindParameter(object instance)
|
|
{
|
|
if (m_ObjectType != null && !m_ObjectType.IsInstanceOfType(instance))
|
|
return false;
|
|
|
|
var field = instance.GetType().GetField(m_ParameterName,
|
|
BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase);
|
|
if (field == null)
|
|
return false;
|
|
|
|
m_CurrentParameter = field;
|
|
m_CurrentObject = instance;
|
|
|
|
return true;
|
|
}
|
|
|
|
public bool MoveNext()
|
|
{
|
|
while (true)
|
|
{
|
|
if (m_MayBeInteraction && MoveToNextInteraction())
|
|
return true;
|
|
|
|
if (m_MayBeProcessor && MoveToNextProcessor())
|
|
return true;
|
|
|
|
if (!MoveToNextBinding())
|
|
return false;
|
|
|
|
if (m_MayBeComposite && m_CurrentBindingIsComposite)
|
|
{
|
|
var compositeIndex = m_State.GetBindingState(m_BindingCurrentIndex).compositeOrCompositeBindingIndex;
|
|
var composite = m_State.composites[compositeIndex];
|
|
if (FindParameter(composite))
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
public unsafe void Reset()
|
|
{
|
|
m_CurrentObject = default;
|
|
m_CurrentParameter = default;
|
|
m_InteractionCurrentIndex = default;
|
|
m_InteractionEndIndex = default;
|
|
m_ProcessorCurrentIndex = default;
|
|
m_ProcessorEndIndex = default;
|
|
m_CurrentBindingIsComposite = default;
|
|
if (m_MapIndex < 0)
|
|
{
|
|
m_BindingCurrentIndex = -1; // Account for first MoveNext().
|
|
m_BindingEndIndex = m_State.totalBindingCount;
|
|
}
|
|
else
|
|
{
|
|
m_BindingCurrentIndex = m_State.mapIndices[m_MapIndex].bindingStartIndex - 1; // Account for first MoveNext().
|
|
m_BindingEndIndex = m_State.mapIndices[m_MapIndex].bindingStartIndex + m_State.mapIndices[m_MapIndex].bindingCount;
|
|
}
|
|
}
|
|
|
|
public Parameter Current => new Parameter
|
|
{
|
|
instance = m_CurrentObject,
|
|
field = m_CurrentParameter,
|
|
bindingIndex = m_BindingCurrentIndex,
|
|
};
|
|
|
|
object IEnumerator.Current => Current;
|
|
|
|
public void Dispose()
|
|
{
|
|
}
|
|
}
|
|
|
|
internal struct ParameterOverride
|
|
{
|
|
public string objectRegistrationName; // Optional. Such as "hold" or "scale".
|
|
public string parameter;
|
|
public InputBinding bindingMask;
|
|
public PrimitiveValue value;
|
|
|
|
public Type objectType =>
|
|
InputProcessor.s_Processors.LookupTypeRegistration(objectRegistrationName)
|
|
?? InputInteraction.s_Interactions.LookupTypeRegistration(objectRegistrationName)
|
|
?? InputBindingComposite.s_Composites.LookupTypeRegistration(objectRegistrationName);
|
|
|
|
public ParameterOverride(string parameterName, InputBinding bindingMask, PrimitiveValue value = default)
|
|
{
|
|
var colonIndex = parameterName.IndexOf(':');
|
|
if (colonIndex < 0)
|
|
{
|
|
objectRegistrationName = null;
|
|
parameter = parameterName;
|
|
}
|
|
else
|
|
{
|
|
objectRegistrationName = parameterName.Substring(0, colonIndex);
|
|
parameter = parameterName.Substring(colonIndex + 1);
|
|
}
|
|
this.bindingMask = bindingMask;
|
|
this.value = value;
|
|
}
|
|
|
|
public ParameterOverride(string objectRegistrationName, string parameterName, InputBinding bindingMask, PrimitiveValue value = default)
|
|
{
|
|
this.objectRegistrationName = objectRegistrationName;
|
|
this.parameter = parameterName;
|
|
this.bindingMask = bindingMask;
|
|
this.value = value;
|
|
}
|
|
|
|
// Find the *most specific* override to apply to the given parameter.
|
|
public static ParameterOverride? Find(InputActionMap actionMap, ref InputBinding binding, string parameterName, string objectRegistrationName)
|
|
{
|
|
// Look at level of map.
|
|
var overrideOnMap = Find(actionMap.m_ParameterOverrides, actionMap.m_ParameterOverridesCount, ref binding, parameterName,
|
|
objectRegistrationName);
|
|
|
|
// Look at level of asset (if present).
|
|
var asset = actionMap.asset;
|
|
var overrideOnAsset = asset != null
|
|
? Find(asset.m_ParameterOverrides, asset.m_ParameterOverridesCount, ref binding, parameterName,
|
|
objectRegistrationName)
|
|
: null;
|
|
|
|
return PickMoreSpecificOne(overrideOnMap, overrideOnAsset);
|
|
}
|
|
|
|
private static ParameterOverride? Find(ParameterOverride[] overrides, int overrideCount,
|
|
ref InputBinding binding, string parameterName, string objectRegistrationName)
|
|
{
|
|
ParameterOverride? result = null;
|
|
for (var i = 0; i < overrideCount; ++i)
|
|
{
|
|
ref var current = ref overrides[i];
|
|
|
|
if (!string.Equals(parameterName, current.parameter, StringComparison.OrdinalIgnoreCase))
|
|
continue; // Different parameter name.
|
|
|
|
if (!current.bindingMask.Matches(binding))
|
|
continue;
|
|
|
|
if (current.objectRegistrationName != null && !string.Equals(current.objectRegistrationName, objectRegistrationName,
|
|
StringComparison.OrdinalIgnoreCase))
|
|
continue;
|
|
|
|
if (result == null)
|
|
{
|
|
// First match.
|
|
result = current;
|
|
}
|
|
else
|
|
{
|
|
// Already have a match. See which one is more specific.
|
|
result = PickMoreSpecificOne(result, current);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
private static ParameterOverride? PickMoreSpecificOne(ParameterOverride? first, ParameterOverride? second)
|
|
{
|
|
if (first == null)
|
|
return second;
|
|
if (second == null)
|
|
return first;
|
|
|
|
// Having an objectRegistrationName always wins vs not having one.
|
|
if (first.Value.objectRegistrationName != null && second.Value.objectRegistrationName == null)
|
|
return first;
|
|
if (second.Value.objectRegistrationName != null && first.Value.objectRegistrationName == null)
|
|
return second;
|
|
|
|
// Targeting a specific path always wins vs not doing so.
|
|
if (first.Value.bindingMask.effectivePath != null && second.Value.bindingMask.effectivePath == null)
|
|
return first;
|
|
if (second.Value.bindingMask.effectivePath != null && first.Value.bindingMask.effectivePath == null)
|
|
return second;
|
|
|
|
// Targeting a specific actions always wins vs not doing so.
|
|
if (first.Value.bindingMask.action != null && second.Value.bindingMask.action == null)
|
|
return first;
|
|
if (second.Value.bindingMask.action != null && first.Value.bindingMask.action == null)
|
|
return second;
|
|
|
|
// Undecided. First wins by default.
|
|
return first;
|
|
}
|
|
}
|
|
}
|
|
}
|