122 lines
4.2 KiB
C#
122 lines
4.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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static class TrackResourceCache
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{
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private static Dictionary<System.Type, GUIContent> s_TrackIconCache = new Dictionary<Type, GUIContent>(10);
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private static Dictionary<System.Type, Color> s_TrackColorCache = new Dictionary<Type, Color>(10);
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public static GUIContent s_DefaultIcon = EditorGUIUtility.IconContent("UnityEngine/ScriptableObject Icon");
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public static GUIContent GetTrackIcon(TrackAsset track)
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{
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if (track == null)
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return s_DefaultIcon;
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GUIContent content = null;
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if (!s_TrackIconCache.TryGetValue(track.GetType(), out content))
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{
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content = FindTrackIcon(track);
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s_TrackIconCache[track.GetType()] = content;
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}
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return content;
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}
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public static Color GetTrackColor(TrackAsset track)
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{
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if (track == null)
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return Color.white;
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// Try to ensure DirectorStyles is initialized first
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// Note: GUISkin.current must exist to be able do so
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if (!DirectorStyles.IsInitialized && GUISkin.current != null)
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DirectorStyles.ReloadStylesIfNeeded();
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Color color;
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if (!s_TrackColorCache.TryGetValue(track.GetType(), out color))
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{
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var attr = track.GetType().GetCustomAttributes(typeof(TrackColorAttribute), true);
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if (attr.Length > 0)
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{
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color = ((TrackColorAttribute)attr[0]).color;
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}
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else
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{
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// case 1141958
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// There was an error initializing DirectorStyles
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if (!DirectorStyles.IsInitialized)
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return Color.white;
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color = DirectorStyles.Instance.customSkin.colorDefaultTrackDrawer;
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}
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s_TrackColorCache[track.GetType()] = color;
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}
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return color;
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}
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public static void ClearTrackIconCache()
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{
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s_TrackIconCache.Clear();
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}
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public static void SetTrackIcon<T>(GUIContent content) where T : TrackAsset
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{
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s_TrackIconCache[typeof(T)] = content;
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}
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public static void ClearTrackColorCache()
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{
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s_TrackColorCache.Clear();
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}
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public static void SetTrackColor<T>(Color c) where T : TrackAsset
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{
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s_TrackColorCache[typeof(T)] = c;
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}
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private static GUIContent FindTrackIcon(TrackAsset track)
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{
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// backwards compatible -- try to load from Gizmos folder
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Texture2D texture = AssetDatabase.LoadAssetAtPath<Texture2D>("Assets/Gizmos/" + track.GetType().Name + ".png");
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if (texture != null)
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return new GUIContent(texture);
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// try to load based on the binding type
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var binding = track.outputs.FirstOrDefault();
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if (binding.outputTargetType != null)
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{
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// Type calls don't properly handle monobehaviours, because an instance is required to
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// get the monoscript icons
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if (typeof(MonoBehaviour).IsAssignableFrom(binding.outputTargetType))
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{
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texture = null;
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var scripts = UnityEngine.Resources.FindObjectsOfTypeAll<MonoScript>();
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foreach (var script in scripts)
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{
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if (script.GetClass() == binding.outputTargetType)
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{
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texture = AssetPreview.GetMiniThumbnail(script);
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break;
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}
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}
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}
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else
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{
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texture = EditorGUIUtility.FindTexture(binding.outputTargetType);
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}
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if (texture != null)
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return new GUIContent(texture);
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}
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// default to the scriptable object icon
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return s_DefaultIcon;
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}
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}
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}
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