226 lines
8.9 KiB
C#
226 lines
8.9 KiB
C#
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using System.Reflection;
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using System.Collections.Generic;
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using System;
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using BehaviorDesigner.Runtime.Tasks;
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namespace BehaviorDesigner.Runtime
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{
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public class TaskUtility
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{
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public static char[] TrimCharacters = new char[] { '/' };
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private static Dictionary<string, Type> typeLookup = new Dictionary<string, Type>();
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private static List<Assembly> loadedAssemblies = null;
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private static Dictionary<Type, FieldInfo[]> allFieldsLookup = new Dictionary<Type, FieldInfo[]>();
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private static Dictionary<Type, FieldInfo[]> serializableFieldsLookup = new Dictionary<Type, FieldInfo[]>();
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private static Dictionary<Type, FieldInfo[]> publicFieldsLookup = new Dictionary<Type, FieldInfo[]>();
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private static Dictionary<FieldInfo, Dictionary<Type, bool>> hasFieldLookup = new Dictionary<FieldInfo, Dictionary<Type, bool>>();
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public static object CreateInstance(Type t)
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{
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#if NETFX_CORE && !UNITY_EDITOR
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if (t.IsGenericType() && t.GetGenericTypeDefinition() == typeof(Nullable<>)) {
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#else
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if (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable<>)) {
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#endif
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t = Nullable.GetUnderlyingType(t);
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}
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#if NETFX_CORE && !UNITY_EDITOR
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return Activator.CreateInstance(t);
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#else
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return Activator.CreateInstance(t, true);
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#endif
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}
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public static FieldInfo[] GetAllFields(Type t)
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{
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FieldInfo[] fieldInfo = null;
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if (!allFieldsLookup.TryGetValue(t, out fieldInfo)) {
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var fieldList = ObjectPool.Get<List<FieldInfo>>();
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fieldList.Clear();
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#if NETFX_CORE && !UNITY_EDITOR
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var flags = System.BindingFlags.Public | System.BindingFlags.NonPublic | System.BindingFlags.Instance | System.BindingFlags.DeclaredOnly;
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#else
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var flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly;
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#endif
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GetFields(t, ref fieldList, (int)flags);
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fieldInfo = fieldList.ToArray();
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ObjectPool.Return(fieldList);
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allFieldsLookup.Add(t, fieldInfo);
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}
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return fieldInfo;
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}
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public static FieldInfo[] GetPublicFields(Type t)
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{
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FieldInfo[] fieldInfo = null;
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if (!publicFieldsLookup.TryGetValue(t, out fieldInfo)) {
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var fieldList = ObjectPool.Get<List<FieldInfo>>();
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fieldList.Clear();
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#if NETFX_CORE && !UNITY_EDITOR
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var flags = System.BindingFlags.Public | System.BindingFlags.Instance | System.BindingFlags.DeclaredOnly;
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#else
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var flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly;
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#endif
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GetFields(t, ref fieldList, (int)flags);
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fieldInfo = fieldList.ToArray();
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ObjectPool.Return(fieldList);
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publicFieldsLookup.Add(t, fieldInfo);
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}
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return fieldInfo;
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}
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public static FieldInfo[] GetSerializableFields(Type t)
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{
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FieldInfo[] fieldInfo = null;
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if (!serializableFieldsLookup.TryGetValue(t, out fieldInfo)) {
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var fieldList = ObjectPool.Get<List<FieldInfo>>();
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fieldList.Clear();
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#if NETFX_CORE && !UNITY_EDITOR
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var flags = System.BindingFlags.Public | System.BindingFlags.NonPublic | System.BindingFlags.Instance | System.BindingFlags.DeclaredOnly;
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#else
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var flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly;
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#endif
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GetSerializableFields(t, fieldList, (int)flags);
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fieldInfo = fieldList.ToArray();
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ObjectPool.Return(fieldList);
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serializableFieldsLookup.Add(t, fieldInfo);
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}
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return fieldInfo;
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}
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private static void GetSerializableFields(Type t, IList<FieldInfo> fieldList, int flags)
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{
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if (t == null || t.Equals(typeof(ParentTask)) || t.Equals(typeof(Task)) || t.Equals(typeof(SharedVariable)))
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return;
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#if NETFX_CORE && !UNITY_EDITOR
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var fields = t.GetFields((System.BindingFlags)flags);
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#else
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var fields = t.GetFields((BindingFlags)flags);
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#endif
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for (int i = 0; i < fields.Length; ++i) {
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if (!fields[i].IsPublic && !HasAttribute(fields[i], typeof(UnityEngine.SerializeField))) {
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continue;
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}
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fieldList.Add(fields[i]);
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}
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#if NETFX_CORE && !UNITY_EDITOR
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GetSerializableFields(t.BaseType(), fieldList, flags);
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#else
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GetSerializableFields(t.BaseType, fieldList, flags);
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#endif
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}
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private static void GetFields(Type t, ref List<FieldInfo> fieldList, int flags)
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{
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if (t == null || t.Equals(typeof(ParentTask)) || t.Equals(typeof(Task)) || t.Equals(typeof(SharedVariable)))
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return;
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#if NETFX_CORE && !UNITY_EDITOR
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var fields = t.GetFields((System.BindingFlags)flags);
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#else
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var fields = t.GetFields((BindingFlags)flags);
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#endif
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for (int i = 0; i < fields.Length; ++i) {
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fieldList.Add(fields[i]);
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}
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#if NETFX_CORE && !UNITY_EDITOR
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GetFields(t.BaseType(), ref fieldList, flags);
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#else
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GetFields(t.BaseType, ref fieldList, flags);
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#endif
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}
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public static Type GetTypeWithinAssembly(string typeName)
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{
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if (string.IsNullOrEmpty(typeName)) {
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return null;
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}
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Type type;
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// cache the results for quicker repeated lookup
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if (typeLookup.TryGetValue(typeName, out type)) {
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return type;
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}
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type = Type.GetType(typeName);
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// look in the loaded assemblies
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if (type == null) {
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if (loadedAssemblies == null) {
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#if NETFX_CORE && !UNITY_EDITOR
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loadedAssemblies = GetStorageFileAssemblies(typeName).Result;
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#else
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loadedAssemblies = new List<Assembly>();
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var assemblies = AppDomain.CurrentDomain.GetAssemblies();
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for (int i = 0; i < assemblies.Length; ++i) {
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loadedAssemblies.Add(assemblies[i]);
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}
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#endif
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}
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for (int i = 0; i < loadedAssemblies.Count; ++i) {
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type = loadedAssemblies[i].GetType(typeName);
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if (type != null) {
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break;
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}
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}
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}
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if (type != null) {
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typeLookup.Add(typeName, type);
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} else if (typeName.Contains("BehaviorDesigner.Runtime.Tasks.Basic")) { // Updated the task namespace with Behavior Designer 1.6.1.
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return GetTypeWithinAssembly(typeName.Replace("BehaviorDesigner.Runtime.Tasks.Basic", "BehaviorDesigner.Runtime.Tasks.Unity"));
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}
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return type;
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}
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#if NETFX_CORE && !UNITY_EDITOR
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private static async System.Threading.Tasks.Task<List<string>> GetStorageFileAssemblies(string typeName) {
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var loadedAssemblies = new List<string>();
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var folder = Windows.ApplicationModel.Package.Current.InstalledLocation;
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foreach (var file in await folder.GetFilesAsync()) {
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if (file.FileType.Equals(".dll")) {
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loadedAssemblies.Add(System.IO.Path.GetFileNameWithoutExtension(file.Name));
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}
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}
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return loadedAssemblies;
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}
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#endif
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public static bool CompareType(Type t, string typeName)
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{
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var type = GetTypeWithinAssembly(typeName);
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if (type == null) {
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return false;
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}
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return t.Equals(type);
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}
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public static bool HasAttribute(FieldInfo field, Type attribute)
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{
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if (field == null) {
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return false;
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}
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bool hasAttribute;
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Dictionary<Type, bool> typeLookup;
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if (!hasFieldLookup.TryGetValue(field, out typeLookup)) {
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typeLookup = new Dictionary<Type, bool>();
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hasFieldLookup.Add(field, typeLookup);
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}
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if (!typeLookup.TryGetValue(attribute, out hasAttribute)) {
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#if NETFX_CORE && !UNITY_EDITOR
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hasAttribute = field.GetCustomAttribute(attribute) != null;
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#else
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hasAttribute = field.GetCustomAttributes(attribute, false).Length > 0;
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#endif
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typeLookup.Add(attribute, hasAttribute);
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}
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return hasAttribute;
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}
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}
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}
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