47 lines
1.3 KiB
C#
47 lines
1.3 KiB
C#
#if UNITY_EDITOR && UNITY_2021_1_OR_NEWER
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#define CAN_USE_CUSTOM_HELP_URL
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#endif
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using System;
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using System.Diagnostics;
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using UnityEngine;
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namespace UnityEngine.Timeline
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{
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#if CAN_USE_CUSTOM_HELP_URL
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using UnityEditor.PackageManager;
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[Conditional("UNITY_EDITOR")]
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class TimelineHelpURLAttribute : HelpURLAttribute
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{
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const string k_BaseURL = "https://docs.unity3d.com/Packages/com.unity.timeline@";
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const string k_MidURL = "/api/";
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const string k_EndURL = ".html";
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const string k_FallbackVersion = "latest";
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static readonly string k_PackageVersion;
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static TimelineHelpURLAttribute()
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{
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PackageInfo packageInfo = PackageInfo.FindForAssembly(typeof(TimelineAsset).Assembly);
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k_PackageVersion = packageInfo == null ? k_FallbackVersion : packageInfo.version.Substring(0, 3);
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}
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public TimelineHelpURLAttribute(Type type)
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: base(HelpURL(type)) {}
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static string HelpURL(Type type)
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{
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return $"{k_BaseURL}{k_PackageVersion}{k_MidURL}{type.FullName}{k_EndURL}";
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}
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}
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#else //HelpURL attribute is `sealed` in previous Unity versions
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[Conditional("UNITY_EDITOR")]
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class TimelineHelpURLAttribute : Attribute
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{
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public TimelineHelpURLAttribute(Type type) { }
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}
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#endif
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}
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