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118 lines
4.3 KiB
118 lines
4.3 KiB
// SDK Scripting Define Symbol Predicate|SDK_Base|003
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namespace VRTK
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{
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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using UnityEngine;
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using System;
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/// <summary>
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/// Specifies a method to be used as a predicate to allow VRTK_SDKManager to automatically add and remove scripting define symbols. Only allowed on static methods that take no arguments and return a `bool`.
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/// </summary>
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[Serializable]
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[AttributeUsage(AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
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public sealed class SDK_ScriptingDefineSymbolPredicateAttribute : Attribute, ISerializationCallbackReceiver
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{
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/// <summary>
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/// The prefix of scripting define symbols that must be used to be able to automatically remove the symbols.
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/// </summary>
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public const string RemovableSymbolPrefix = "VRTK_DEFINE_";
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/// <summary>
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/// The scripting define symbol to conditionally add or remove.
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/// </summary>
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public string symbol;
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#if UNITY_EDITOR
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/// <summary>
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/// The build target group to use when conditionally adding or removing symbol.
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/// </summary>
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[NonSerialized]
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public BuildTargetGroup buildTargetGroup;
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#endif
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[SerializeField]
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private string buildTargetGroupName;
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private SDK_ScriptingDefineSymbolPredicateAttribute()
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{
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}
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/// <summary>
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/// Creates a new attribute.
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/// </summary>
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/// <param name="symbol">The scripting define symbol to conditionally add or remove. Needs to start with `RemovableSymbolPrefix` to be able to automatically remove the symbol. `null` and `string.Empty` are not allowed.</param>
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/// <param name="buildTargetGroupName">The name of a constant of `BuildTargetGroup`. `BuildTargetGroup.Unknown`, `null` and `string.Empty` are not allowed.</param>
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public SDK_ScriptingDefineSymbolPredicateAttribute(string symbol, string buildTargetGroupName)
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{
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if (symbol == null)
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{
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VRTK_Logger.Fatal(new ArgumentNullException("symbol"));
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return;
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}
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if (symbol == string.Empty)
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{
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VRTK_Logger.Fatal(new ArgumentOutOfRangeException("symbol", symbol, "An empty string isn't allowed."));
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return;
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}
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this.symbol = symbol;
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if (buildTargetGroupName == null)
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{
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VRTK_Logger.Fatal(new ArgumentNullException("buildTargetGroupName"));
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return;
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}
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if (buildTargetGroupName == string.Empty)
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{
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VRTK_Logger.Fatal(new ArgumentOutOfRangeException("buildTargetGroupName", buildTargetGroupName, "An empty string isn't allowed."));
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return;
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}
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SetBuildTarget(buildTargetGroupName);
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}
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/// <summary>
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/// Creates a new attribute by copying an existing one.
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/// </summary>
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/// <param name="attributeToCopy">The attribute to copy.</param>
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public SDK_ScriptingDefineSymbolPredicateAttribute(SDK_ScriptingDefineSymbolPredicateAttribute attributeToCopy)
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{
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symbol = attributeToCopy.symbol;
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SetBuildTarget(attributeToCopy.buildTargetGroupName);
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}
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public void OnBeforeSerialize()
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{
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}
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public void OnAfterDeserialize()
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{
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SetBuildTarget(buildTargetGroupName);
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}
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private void SetBuildTarget(string groupName)
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{
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buildTargetGroupName = groupName;
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#if UNITY_EDITOR
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Type buildTargetGroupType = typeof(BuildTargetGroup);
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try
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{
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buildTargetGroup = (BuildTargetGroup)Enum.Parse(buildTargetGroupType, groupName);
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}
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catch (Exception exception)
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{
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VRTK_Logger.Fatal(new ArgumentOutOfRangeException(string.Format("'{0}' isn't a valid constant name of '{1}'.", groupName, buildTargetGroupType.Name), exception));
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return;
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}
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if (buildTargetGroup == BuildTargetGroup.Unknown)
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{
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VRTK_Logger.Fatal(new ArgumentOutOfRangeException("groupName", groupName, string.Format("'{0}' isn't allowed.", groupName)));
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return;
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}
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#endif
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}
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}
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}
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