1cebf6f91e
- Made the plugin handling internally way simpler (no tons of duplicated code anymore) - Added empty MediaSystem to have a default for now (Windows.OpenAL) - Added a PercentageCompleteAttribute which will be used to mark the current state of a class (0-100%)
325 lines
11 KiB
C#
325 lines
11 KiB
C#
#region Using Statements
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using NLog;
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#endregion // Using Statements
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#region License
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//
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// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
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//
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// This file is released under the Ms-PL license.
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//
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//
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//
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// Microsoft Public License (Ms-PL)
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//
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// This license governs use of the accompanying software. If you use the software, you accept this license.
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// If you do not accept the license, do not use the software.
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//
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// 1.Definitions
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// The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning
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// here as under U.S. copyright law.
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// A "contribution" is the original software, or any additions or changes to the software.
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// A "contributor" is any person that distributes its contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read directly on its contribution.
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//
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// 2.Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations
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// in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to
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// reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
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// or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in
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// section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
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// patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution
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// in the software or derivative works of the contribution in the software.
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//
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// 3.Conditions and Limitations
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// (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends automatically.
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// (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
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// a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or
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// object code form, you may only do so under a license that complies with this license.
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// (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
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// or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
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// extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a
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// particular purpose and non-infringement.
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#endregion // License
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namespace ANX.Framework.NonXNA
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{
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public class AddInSystemFactory
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{
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#region Private Members
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private Dictionary<String, ICreator> creators;
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private static AddInSystemFactory instance;
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private bool initialized;
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private Dictionary<Type, ICreator> defaultCreators = new Dictionary<Type, ICreator>();
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private OperatingSystem operatingSystem;
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private Version operatingSystemVersion;
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private Dictionary<AddInType, AddInSystemInfo> addinSystems;
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private static Logger logger = LogManager.GetCurrentClassLogger();
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#endregion // Private Members
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#region Public
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public static AddInSystemFactory Instance
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{
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get
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{
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if (instance == null)
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{
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instance = new AddInSystemFactory();
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logger.Debug("Created AddInSystemFactory instance");
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}
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return instance;
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}
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}
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public OperatingSystem OperatingSystem
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{
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get
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{
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return this.operatingSystem;
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}
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}
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public Version OperatingSystemVersion
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{
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get
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{
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return this.operatingSystemVersion;
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}
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}
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#endregion
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#region Constructor
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private AddInSystemFactory()
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{
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addinSystems = new Dictionary<AddInType, AddInSystemInfo>();
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addinSystems.Add(AddInType.InputSystem, new AddInSystemInfo());
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addinSystems.Add(AddInType.MediaSystem, new AddInSystemInfo());
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addinSystems.Add(AddInType.RenderSystem, new AddInSystemInfo());
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addinSystems.Add(AddInType.SoundSystem, new AddInSystemInfo());
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this.creators = new Dictionary<string, ICreator>();
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this.operatingSystem = Environment.OSVersion;
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this.operatingSystemVersion = this.operatingSystem.Version;
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logger.Info("Operating System: {0} ({1})", operatingSystem.VersionString, operatingSystemVersion.ToString());
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}
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#endregion
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#region Initialize
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public void Initialize()
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{
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if (initialized == false)
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{
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initialized = true;
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logger.Info("[ANX] Initializing ANX.Framework AddInSystemFactory...");
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String executingAssembly = Assembly.GetExecutingAssembly().Location;
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foreach (String file in Directory.EnumerateFiles(Path.GetDirectoryName(executingAssembly), "*.dll", SearchOption.TopDirectoryOnly))
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{
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if (file.Equals(executingAssembly) == false)
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{
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logger.Info("[ANX] trying to load '{0}'...", file);
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AddIn addin = new AddIn(file);
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if (addin.IsValid && addin.IsSupported)
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{
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addinSystems[addin.Type].AvailableSystems.Add(addin);
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logger.Info("[ANX] successfully loaded addin...");
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}
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else
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{
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logger.Info("[ANX] skipped loading file because it is not supported or not a valid AddIn");
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}
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}
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}
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SortAddIns();
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}
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}
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#endregion
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#region AddCreator
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public void AddCreator(ICreator creator)
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{
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string creatorName = creator.Name.ToLowerInvariant();
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if (creators.ContainsKey(creatorName))
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{
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throw new Exception("Duplicate creator found. A creator with the name '" + creator.Name + "' was already registered.");
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}
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creators.Add(creatorName, creator);
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logger.Debug("added creator '{0}'. Total count of registered creators is now {1}.", creatorName, creators.Count);
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}
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#endregion
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#region HasFramework
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public bool HasFramework(String name)
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{
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return creators.ContainsKey(name.ToLowerInvariant());
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}
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#endregion
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#region GetCreator
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public T GetCreator<T>(String name) where T : class, ICreator
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{
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if (!initialized)
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{
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Initialize();
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}
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ICreator creator = null;
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creators.TryGetValue(name.ToLowerInvariant(), out creator);
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return creator as T;
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}
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#endregion
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#region GetCreators
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public IEnumerable<T> GetCreators<T>() where T : class, ICreator
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{
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if (!initialized)
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{
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Initialize();
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}
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Type t = typeof(T);
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foreach (ICreator creator in this.creators.Values.Where(p =>
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p.GetType().GetInterfaces()[0].Equals(t)))
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{
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yield return creator as T;
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}
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}
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#endregion
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#region GetDefaultCreator
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public T GetDefaultCreator<T>() where T : class, ICreator
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{
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if (initialized == false)
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{
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Initialize();
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}
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Type type = typeof(T);
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AddInType addInType = GetAddInType(type);
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AddInSystemInfo info = addinSystems[addInType];
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if (String.IsNullOrEmpty(info.PreferredName))
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{
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if (info.AvailableSystems.Count > 0)
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{
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return info.AvailableSystems[0].Instance as T;
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}
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throw new AddInLoadingException(String.Format(
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"Couldn't get default {0} because there are no " +
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"registered {0}s available!", addInType));
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}
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else
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{
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foreach (AddIn addin in info.AvailableSystems)
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{
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if (addin.Name.Equals(info.PreferredName,
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StringComparison.InvariantCultureIgnoreCase))
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{
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return addin.Instance as T;
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}
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}
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throw new AddInLoadingException(String.Format(
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"Couldn't get default {0} '{1}' because it was not found in the " +
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"list of registered creators!", addInType, info.PreferredName));
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}
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throw new AddInLoadingException(String.Format(
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"Couldn't find a DefaultCreator of type '{0}'!", type.FullName));
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}
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#endregion
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#region SortAddIns
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public void SortAddIns()
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{
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foreach (AddInSystemInfo info in addinSystems.Values)
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{
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info.AvailableSystems.Sort();
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}
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this.creators = this.creators.OrderBy(x => x.Value.Priority).ToDictionary(x => x.Key, x => x.Value);
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}
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#endregion
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#region GetPreferredSystem
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public string GetPreferredSystem(AddInType addInType)
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{
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return addinSystems[addInType].PreferredName;
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}
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#endregion
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#region SetPreferredSystem
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public void SetPreferredSystem(AddInType addInType, string preferredName)
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{
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if (addinSystems[addInType].PreferredLocked)
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{
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throw new AddInLoadingException(String.Format(
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"Can't set preferred {0} because a {0} is alread in use.", addInType));
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}
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addinSystems[addInType].PreferredName = preferredName;
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}
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#endregion
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#region PreventSystemChange
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public void PreventSystemChange(AddInType addInType)
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{
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addinSystems[addInType].PreferredLocked = true;
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}
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#endregion
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#region GetAddInType
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internal static AddInType GetAddInType(Type t)
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{
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if (typeof(IRenderSystemCreator).IsAssignableFrom(t))
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{
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return AddInType.RenderSystem;
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}
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else if (typeof(IInputSystemCreator).IsAssignableFrom(t))
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{
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return AddInType.InputSystem;
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}
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else if (typeof(ISoundSystemCreator).IsAssignableFrom(t))
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{
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return AddInType.SoundSystem;
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}
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else if (typeof(IMediaSystemCreator).IsAssignableFrom(t))
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{
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return AddInType.MediaSystem;
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}
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else
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{
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return AddInType.Unknown;
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}
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}
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#endregion
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}
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}
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