forked from BilalY/Rasagar
394 lines
18 KiB
C#
394 lines
18 KiB
C#
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#if UNITY_EDITOR
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using UnityEditor;
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using UnityEngine.InputSystem.Editor.Lists;
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using UnityEngine.InputSystem.Layouts;
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using UnityEngine.InputSystem.Utilities;
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////REVIEW: when we start with a blank tree view state, we should initialize the control picker to select the control currently
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//// selected by the path property
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namespace UnityEngine.InputSystem.Editor
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{
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/// <summary>
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/// UI for editing properties of an <see cref="InputBinding"/>. Right-most pane in action editor when
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/// binding is selected in middle pane.
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/// </summary>
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internal class InputBindingPropertiesView : PropertiesViewBase, IDisposable
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{
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public static FourCC k_GroupsChanged => new FourCC("GRPS");
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public static FourCC k_PathChanged => new FourCC("PATH");
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public static FourCC k_CompositeTypeChanged => new FourCC("COMP");
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public static FourCC k_CompositePartAssignmentChanged => new FourCC("PART");
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public InputBindingPropertiesView(
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SerializedProperty bindingProperty,
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Action<FourCC> onChange = null,
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InputControlPickerState controlPickerState = null,
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string expectedControlLayout = null,
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ReadOnlyArray<InputControlScheme> controlSchemes = new ReadOnlyArray<InputControlScheme>(),
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IEnumerable<string> controlPathsToMatch = null)
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: base(InputActionSerializationHelpers.IsCompositeBinding(bindingProperty) ? "Composite" : "Binding",
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bindingProperty, onChange, expectedControlLayout)
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{
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m_BindingProperty = bindingProperty;
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m_GroupsProperty = bindingProperty.FindPropertyRelative("m_Groups");
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m_PathProperty = bindingProperty.FindPropertyRelative("m_Path");
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m_BindingGroups = m_GroupsProperty.stringValue
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.Split(new[] {InputBinding.Separator}, StringSplitOptions.RemoveEmptyEntries).ToList();
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m_ExpectedControlLayout = expectedControlLayout;
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m_ControlSchemes = controlSchemes;
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var flags = (InputBinding.Flags)bindingProperty.FindPropertyRelative("m_Flags").intValue;
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m_IsPartOfComposite = (flags & InputBinding.Flags.PartOfComposite) != 0;
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m_IsComposite = (flags & InputBinding.Flags.Composite) != 0;
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// Set up control picker for m_Path. Not needed if the binding is a composite.
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if (!m_IsComposite)
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{
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m_ControlPickerState = controlPickerState ?? new InputControlPickerState();
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m_ControlPathEditor = new InputControlPathEditor(m_PathProperty, m_ControlPickerState, OnPathChanged);
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m_ControlPathEditor.SetExpectedControlLayout(m_ExpectedControlLayout);
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if (controlPathsToMatch != null)
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m_ControlPathEditor.SetControlPathsToMatch(controlPathsToMatch);
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}
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}
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public void Dispose()
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{
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m_ControlPathEditor?.Dispose();
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}
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protected override void DrawGeneralProperties()
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{
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var currentPath = m_PathProperty.stringValue;
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InputSystem.OnDrawCustomWarningForBindingPath(currentPath);
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if (m_IsComposite)
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{
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if (m_CompositeParameters == null)
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InitializeCompositeProperties();
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// Composite type dropdown.
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var selectedCompositeType = EditorGUILayout.Popup(s_CompositeTypeLabel, m_SelectedCompositeType, m_CompositeTypeOptions);
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if (selectedCompositeType != m_SelectedCompositeType)
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{
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m_SelectedCompositeType = selectedCompositeType;
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OnCompositeTypeChanged();
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}
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// Composite parameters.
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m_CompositeParameters.OnGUI();
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}
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else
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{
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// Path.
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m_ControlPathEditor.OnGUI();
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// Composite part.
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if (m_IsPartOfComposite)
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{
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if (m_CompositeParts == null)
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InitializeCompositePartProperties();
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var selectedPart = EditorGUILayout.Popup(s_CompositePartAssignmentLabel, m_SelectedCompositePart,
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m_CompositePartOptions);
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if (selectedPart != m_SelectedCompositePart)
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{
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m_SelectedCompositePart = selectedPart;
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OnCompositePartAssignmentChanged();
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}
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}
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// Show the specific controls which match the current path
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DrawMatchingControlPaths();
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// Control scheme matrix.
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DrawUseInControlSchemes();
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}
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}
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/// <summary>
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/// Used to keep track of which foldouts are expanded.
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/// </summary>
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private static bool showMatchingLayouts = false;
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private static Dictionary<string, bool> showMatchingChildLayouts = new Dictionary<string, bool>();
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private static void DrawMatchingControlPaths(List<MatchingControlPath> matchingControlPaths)
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{
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foreach (var matchingControlPath in matchingControlPaths)
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{
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bool showLayout = false;
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EditorGUI.indentLevel++;
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var text = $"{matchingControlPath.deviceName} > {matchingControlPath.controlName}";
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if (matchingControlPath.children.Count() > 0 && !matchingControlPath.isRoot)
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{
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showMatchingChildLayouts.TryGetValue(matchingControlPath.deviceName, out showLayout);
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showMatchingChildLayouts[matchingControlPath.deviceName] = EditorGUILayout.Foldout(showLayout, text);
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}
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else
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{
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EditorGUILayout.LabelField(text);
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}
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showLayout |= matchingControlPath.isRoot;
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if (showLayout)
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DrawMatchingControlPaths(matchingControlPath.children);
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EditorGUI.indentLevel--;
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}
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}
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/// <summary>
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/// Finds all registered control paths implemented by concrete classes which match the current binding path and renders it.
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/// </summary>
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private void DrawMatchingControlPaths()
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{
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bool controlPathUsagePresent = false;
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List<MatchingControlPath> matchingControlPaths = MatchingControlPath.CollectMatchingControlPaths(m_ControlPathEditor.pathProperty.stringValue, showMatchingLayouts, ref controlPathUsagePresent);
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if (matchingControlPaths == null || matchingControlPaths.Count != 0)
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{
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EditorGUILayout.BeginVertical();
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showMatchingLayouts = EditorGUILayout.Foldout(showMatchingLayouts, "Derived Bindings");
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if (showMatchingLayouts)
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{
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if (matchingControlPaths == null)
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{
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if (controlPathUsagePresent)
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EditorGUILayout.HelpBox("No registered controls match this current binding. Some controls are only registered at runtime.", MessageType.Warning);
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else
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EditorGUILayout.HelpBox("No other registered controls match this current binding. Some controls are only registered at runtime.", MessageType.Warning);
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}
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else
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{
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DrawMatchingControlPaths(matchingControlPaths);
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}
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}
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EditorGUILayout.EndVertical();
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}
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}
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/// <summary>
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/// Draw control scheme matrix that allows selecting which control schemes a particular
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/// binding appears in.
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/// </summary>
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private void DrawUseInControlSchemes()
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{
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if (m_ControlSchemes.Count <= 0)
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return;
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EditorGUILayout.Space();
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EditorGUILayout.Space();
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EditorGUILayout.LabelField(s_UseInControlSchemesLAbel, EditorStyles.boldLabel);
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EditorGUILayout.BeginVertical();
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foreach (var scheme in m_ControlSchemes)
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{
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EditorGUI.BeginChangeCheck();
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var result = EditorGUILayout.Toggle(scheme.name, m_BindingGroups.Contains(scheme.bindingGroup));
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if (EditorGUI.EndChangeCheck())
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{
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if (result)
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{
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m_BindingGroups.Add(scheme.bindingGroup);
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}
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else
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{
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m_BindingGroups.Remove(scheme.bindingGroup);
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}
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OnBindingGroupsChanged();
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}
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}
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EditorGUILayout.EndVertical();
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}
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private void InitializeCompositeProperties()
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{
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// Find name of current composite.
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var path = m_PathProperty.stringValue;
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var compositeNameAndParameters = NameAndParameters.Parse(path);
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var compositeName = compositeNameAndParameters.name;
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var compositeType = InputBindingComposite.s_Composites.LookupTypeRegistration(compositeName);
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// Collect all possible composite types.
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var selectedCompositeIndex = -1;
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var compositeTypeOptionsList = new List<GUIContent>();
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var compositeTypeList = new List<string>();
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var currentIndex = 0;
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foreach (var composite in InputBindingComposite.s_Composites.internedNames.Where(x =>
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!InputBindingComposite.s_Composites.aliases.Contains(x)).OrderBy(x => x))
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{
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if (!string.IsNullOrEmpty(m_ExpectedControlLayout))
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{
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var valueType = InputBindingComposite.GetValueType(composite);
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if (valueType != null &&
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!InputControlLayout.s_Layouts.ValueTypeIsAssignableFrom(
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new InternedString(m_ExpectedControlLayout), valueType))
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continue;
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}
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if (InputBindingComposite.s_Composites.LookupTypeRegistration(composite) == compositeType)
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selectedCompositeIndex = currentIndex;
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var name = ObjectNames.NicifyVariableName(composite);
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compositeTypeOptionsList.Add(new GUIContent(name));
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compositeTypeList.Add(composite);
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++currentIndex;
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}
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// If the current composite type isn't a registered type, add it to the list as
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// an extra option.
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if (selectedCompositeIndex == -1)
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{
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selectedCompositeIndex = compositeTypeList.Count;
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compositeTypeOptionsList.Add(new GUIContent(ObjectNames.NicifyVariableName(compositeName)));
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compositeTypeList.Add(compositeName);
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}
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m_CompositeTypes = compositeTypeList.ToArray();
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m_CompositeTypeOptions = compositeTypeOptionsList.ToArray();
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m_SelectedCompositeType = selectedCompositeIndex;
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// Initialize parameters.
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m_CompositeParameters = new ParameterListView
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{
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onChange = OnCompositeParametersModified
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};
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if (compositeType != null)
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m_CompositeParameters.Initialize(compositeType, compositeNameAndParameters.parameters);
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}
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private void InitializeCompositePartProperties()
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{
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var currentCompositePart = m_BindingProperty.FindPropertyRelative("m_Name").stringValue;
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////REVIEW: this makes a lot of assumptions about the serialized data based on the one property we've been given in the ctor
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// Determine the name of the current composite type that the part belongs to.
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var bindingArrayProperty = m_BindingProperty.GetArrayPropertyFromElement();
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var partBindingIndex = InputActionSerializationHelpers.GetIndex(bindingArrayProperty, m_BindingProperty);
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var compositeBindingIndex =
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InputActionSerializationHelpers.GetCompositeStartIndex(bindingArrayProperty, partBindingIndex);
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if (compositeBindingIndex == -1)
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return;
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var compositeBindingProperty = bindingArrayProperty.GetArrayElementAtIndex(compositeBindingIndex);
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var compositePath = compositeBindingProperty.FindPropertyRelative("m_Path").stringValue;
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var compositeNameAndParameters = NameAndParameters.Parse(compositePath);
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// Initialize option list from all parts available for the composite.
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var optionList = new List<GUIContent>();
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var nameList = new List<string>();
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var currentIndex = 0;
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var selectedPartNameIndex = -1;
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foreach (var partName in InputBindingComposite.GetPartNames(compositeNameAndParameters.name))
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{
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if (partName.Equals(currentCompositePart, StringComparison.InvariantCultureIgnoreCase))
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selectedPartNameIndex = currentIndex;
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var niceName = ObjectNames.NicifyVariableName(partName);
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optionList.Add(new GUIContent(niceName));
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nameList.Add(partName);
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++currentIndex;
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}
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// If currently selected part is not in list, add it as an option.
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if (selectedPartNameIndex == -1)
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{
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selectedPartNameIndex = nameList.Count;
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optionList.Add(new GUIContent(ObjectNames.NicifyVariableName(currentCompositePart)));
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nameList.Add(currentCompositePart);
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}
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m_CompositeParts = nameList.ToArray();
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m_CompositePartOptions = optionList.ToArray();
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m_SelectedCompositePart = selectedPartNameIndex;
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}
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private void OnCompositeParametersModified()
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{
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Debug.Assert(m_CompositeParameters != null);
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var path = m_PathProperty.stringValue;
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var nameAndParameters = NameAndParameters.Parse(path);
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nameAndParameters.parameters = m_CompositeParameters.GetParameters();
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m_PathProperty.stringValue = nameAndParameters.ToString();
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m_PathProperty.serializedObject.ApplyModifiedProperties();
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OnPathChanged();
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}
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private void OnBindingGroupsChanged()
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{
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m_GroupsProperty.stringValue = string.Join(InputBinding.kSeparatorString, m_BindingGroups.ToArray());
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m_GroupsProperty.serializedObject.ApplyModifiedProperties();
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onChange?.Invoke(k_GroupsChanged);
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}
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private void OnPathChanged()
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{
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m_BindingProperty.serializedObject.ApplyModifiedProperties();
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onChange?.Invoke(k_PathChanged);
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}
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private void OnCompositeTypeChanged()
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{
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var nameAndParameters = new NameAndParameters
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{
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name = m_CompositeTypes[m_SelectedCompositeType],
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parameters = m_CompositeParameters.GetParameters()
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};
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InputActionSerializationHelpers.ChangeCompositeBindingType(m_BindingProperty, nameAndParameters);
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m_PathProperty.serializedObject.ApplyModifiedProperties();
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onChange?.Invoke(k_CompositeTypeChanged);
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}
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private void OnCompositePartAssignmentChanged()
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{
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m_BindingProperty.FindPropertyRelative("m_Name").stringValue = m_CompositeParts[m_SelectedCompositePart];
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m_BindingProperty.serializedObject.ApplyModifiedProperties();
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onChange?.Invoke(k_CompositePartAssignmentChanged);
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}
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private readonly bool m_IsComposite;
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private ParameterListView m_CompositeParameters;
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private int m_SelectedCompositeType;
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private GUIContent[] m_CompositeTypeOptions;
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private string[] m_CompositeTypes;
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private int m_SelectedCompositePart;
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private GUIContent[] m_CompositePartOptions;
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private string[] m_CompositeParts;
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private readonly SerializedProperty m_GroupsProperty;
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private readonly SerializedProperty m_BindingProperty;
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private readonly SerializedProperty m_PathProperty;
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private readonly InputControlPickerState m_ControlPickerState;
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private readonly InputControlPathEditor m_ControlPathEditor;
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private static readonly GUIContent s_CompositeTypeLabel = EditorGUIUtility.TrTextContent("Composite Type",
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"Type of composite. Allows changing the composite type retroactively. Doing so will modify the bindings that are part of the composite.");
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private static readonly GUIContent s_UseInControlSchemesLAbel = EditorGUIUtility.TrTextContent("Use in control scheme",
|
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"In which control schemes the binding is active. A binding can be used by arbitrary many control schemes. If a binding is not "
|
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+ "assigned to a specific control schemes, it is active in all of them.");
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private static readonly GUIContent s_CompositePartAssignmentLabel = EditorGUIUtility.TrTextContent(
|
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"Composite Part",
|
||
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"The named part of the composite that the binding is assigned to. Multiple bindings may be assigned the same part. All controls from "
|
||
|
|
+ "all bindings that are assigned the same part will collectively feed values into that part of the composite.");
|
||
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|
||
|
|
private ReadOnlyArray<InputControlScheme> m_ControlSchemes;
|
||
|
|
private readonly List<string> m_BindingGroups;
|
||
|
|
private readonly string m_ExpectedControlLayout;
|
||
|
|
}
|
||
|
|
}
|
||
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#endif // UNITY_EDITOR
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