Inital commit

1 files changed, 284 insertions, 0 deletions

diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/CustomEditors/TrackEditor.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/CustomEditors/TrackEditor.cs
new file mode 100644
index 0000000..cd4f67c
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/CustomEditors/TrackEditor.cs
@@ -0,0 +1,284 @@
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Playables;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    /// <summary>
+    /// The user-defined options for drawing a track."
+    /// </summary>
+    public struct TrackDrawOptions
+    {
+        /// <summary>
+        /// Text that indicates if the track should display an error.
+        /// </summary>
+        /// <remarks>
+        /// If the error text is not empty or null, then the track displays a warning. The error text is used as the tooltip.
+        /// </remarks>
+        public string errorText { get; set; }
+
+        /// <summary>
+        /// The highlight color of the track.
+        /// </summary>
+        public Color  trackColor { get; set; }
+
+        /// <summary>
+        /// The minimum height of the track.
+        /// </summary>
+        public float  minimumHeight { get; set; }
+
+        /// <summary>
+        /// The icon displayed on the track header.
+        /// </summary>
+        /// <remarks>
+        /// If this value is null, then the default icon for the track is used.
+        /// </remarks>
+        public Texture2D icon { get; set; }
+
+        public override bool Equals(object obj)
+        {
+            if (!(obj is TrackDrawOptions))
+                return false;
+
+            return Equals((TrackDrawOptions)obj);
+        }
+
+        public bool Equals(TrackDrawOptions other)
+        {
+            return errorText == other.errorText &&
+                trackColor == other.trackColor &&
+                minimumHeight == other.minimumHeight &&
+                icon == other.icon;
+        }
+
+        public override int GetHashCode()
+        {
+            return HashUtility.CombineHash(
+                errorText != null ? errorText.GetHashCode() : 0,
+                trackColor.GetHashCode(),
+                minimumHeight.GetHashCode(),
+                icon != null ? icon.GetHashCode() : 0
+            );
+        }
+
+        public static bool operator==(TrackDrawOptions options1, TrackDrawOptions options2)
+        {
+            return options1.Equals(options2);
+        }
+
+        public static bool operator!=(TrackDrawOptions options1, TrackDrawOptions options2)
+        {
+            return !options1.Equals(options2);
+        }
+    }
+
+
+    /// <summary>
+    /// The errors displayed for the track binding.
+    /// </summary>
+    public enum TrackBindingErrors
+    {
+        /// <summary>
+        /// Select no errors.
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        /// The bound GameObject is disabled.
+        /// </summary>
+        BoundGameObjectDisabled  = 1 << 0,
+
+        /// <summary>
+        /// The bound GameObject does not have a valid component.
+        /// </summary>
+        NoValidComponent         = 1 << 1,
+
+        /// <summary>
+        /// The bound Object is a disabled Behaviour.
+        /// </summary>
+        BehaviourIsDisabled      = 1 << 2,
+
+        /// <summary>
+        /// The bound Object is not of the correct type.
+        /// </summary>
+        InvalidBinding           = 1 << 3,
+
+        /// <summary>
+        /// The bound Object is part of a prefab, and not an instance.
+        /// </summary>
+        PrefabBound              = 1 << 4,
+
+        /// <summary>
+        /// Select all errors.
+        /// </summary>
+        All = Int32.MaxValue
+    }
+
+    /// <summary>
+    /// Use this class to customize track types in the TimelineEditor.
+    /// </summary>
+    public class TrackEditor
+    {
+        static readonly string k_BoundGameObjectDisabled = LocalizationDatabase.GetLocalizedString("The bound GameObject is disabled.");
+        static readonly string k_NoValidComponent = LocalizationDatabase.GetLocalizedString("Could not find appropriate component on this gameObject");
+        static readonly string k_RequiredComponentIsDisabled = LocalizationDatabase.GetLocalizedString("The component is disabled");
+        static readonly string k_InvalidBinding = LocalizationDatabase.GetLocalizedString("The bound object is not the correct type.");
+        static readonly string k_PrefabBound = LocalizationDatabase.GetLocalizedString("The bound object is a Prefab");
+
+        readonly Dictionary<TrackAsset, System.Type> m_BindingCache = new Dictionary<TrackAsset, System.Type>();
+
+        /// <summary>
+        /// The default height of a track.
+        /// </summary>
+        public static readonly float DefaultTrackHeight = 30.0f;
+
+        /// <summary>
+        /// The minimum unscaled height of a track.
+        /// </summary>
+        public static readonly float MinimumTrackHeight = 10.0f;
+
+        /// <summary>
+        /// The maximum height of a track.
+        /// </summary>
+        public static readonly float MaximumTrackHeight = 256.0f;
+
+        /// <summary>
+        /// Implement this method to override the default options for drawing a track.
+        /// </summary>
+        /// <param name="track">The track from which track options are retrieved.</param>
+        /// <param name="binding">The binding for the track.</param>
+        /// <returns>The options for drawing the track.</returns>
+        public virtual TrackDrawOptions GetTrackOptions(TrackAsset track, UnityEngine.Object binding)
+        {
+            return new TrackDrawOptions()
+            {
+                errorText = GetErrorText(track, binding, TrackBindingErrors.All),
+                minimumHeight = DefaultTrackHeight,
+                trackColor = GetTrackColor(track),
+                icon = null
+            };
+        }
+
+        /// <summary>
+        /// Gets the error text for the specified track.
+        /// </summary>
+        /// <param name="track">The track to retrieve options for.</param>
+        /// <param name="boundObject">The binding for the track.</param>
+        /// <param name="detectErrors">The errors to check for.</param>
+        /// <returns>An error to be displayed on the track, or string.Empty if there is no error.</returns>
+        public string GetErrorText(TrackAsset track, UnityEngine.Object boundObject, TrackBindingErrors detectErrors)
+        {
+            if (track == null || boundObject == null)
+                return string.Empty;
+
+            var bindingType = GetBindingType(track);
+            if (bindingType != null)
+            {
+                // bound to a prefab asset
+                if (HasFlag(detectErrors, TrackBindingErrors.PrefabBound) && PrefabUtility.IsPartOfPrefabAsset(boundObject))
+                {
+                    return k_PrefabBound;
+                }
+
+                // If we are a component, allow for bound game objects (legacy)
+                if (typeof(Component).IsAssignableFrom(bindingType))
+                {
+                    var gameObject = boundObject as GameObject;
+                    var component = boundObject as Component;
+                    if (component != null)
+                        gameObject = component.gameObject;
+
+                    // game object is bound with no component
+                    if (HasFlag(detectErrors, TrackBindingErrors.NoValidComponent) && gameObject != null && component == null)
+                    {
+                        component = gameObject.GetComponent(bindingType);
+                        if (component == null)
+                        {
+                            return k_NoValidComponent;
+                        }
+                    }
+
+                    // attached gameObject is disables (ignores Activation Track)
+                    if (HasFlag(detectErrors, TrackBindingErrors.BoundGameObjectDisabled) && gameObject != null && !gameObject.activeInHierarchy)
+                    {
+                        return k_BoundGameObjectDisabled;
+                    }
+
+                    // component is disabled
+                    var behaviour = component as Behaviour;
+                    if (HasFlag(detectErrors, TrackBindingErrors.BehaviourIsDisabled) && behaviour != null && !behaviour.enabled)
+                    {
+                        return k_RequiredComponentIsDisabled;
+                    }
+
+                    // mismatched binding
+                    if (HasFlag(detectErrors, TrackBindingErrors.InvalidBinding) && component != null && !bindingType.IsAssignableFrom(component.GetType()))
+                    {
+                        return k_InvalidBinding;
+                    }
+                }
+                // Mismatched binding (non-component)
+                else if (HasFlag(detectErrors, TrackBindingErrors.InvalidBinding) && !bindingType.IsAssignableFrom(boundObject.GetType()))
+                {
+                    return k_InvalidBinding;
+                }
+            }
+
+            return string.Empty;
+        }
+
+        /// <summary>
+        /// Gets the color information of a track.
+        /// </summary>
+        /// <param name="track"></param>
+        /// <returns>Returns the color for the specified track.</returns>
+        public Color GetTrackColor(TrackAsset track)
+        {
+            return TrackResourceCache.GetTrackColor(track);
+        }
+
+        /// <summary>
+        /// Gets the binding type for a track.
+        /// </summary>
+        /// <param name="track">The track to retrieve the binding type from.</param>
+        /// <returns>Returns the binding type for the specified track. Returns null if the track does not have binding.</returns>
+        public System.Type GetBindingType(TrackAsset track)
+        {
+            if (track == null)
+                return null;
+
+            System.Type result = null;
+            if (m_BindingCache.TryGetValue(track, out result))
+                return result;
+
+            result = track.outputs.Select(x => x.outputTargetType).FirstOrDefault();
+            m_BindingCache[track] = result;
+            return result;
+        }
+
+        /// <summary>
+        /// Callback for when a track is created.
+        /// </summary>
+        /// <param name="track">The track that is created.</param>
+        /// <param name="copiedFrom">The source that the track is copied from. This can be set to null if the track is not a copy.</param>
+        public virtual void OnCreate(TrackAsset track, TrackAsset copiedFrom)
+        {
+        }
+
+        /// <summary>
+        /// Callback for when a track is changed.
+        /// </summary>
+        /// <param name="track">The track that is changed.</param>
+        public virtual void OnTrackChanged(TrackAsset track)
+        {
+        }
+
+        private static bool HasFlag(TrackBindingErrors errors, TrackBindingErrors flag)
+        {
+            return (errors & flag) != 0;
+        }
+    }
+}