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115 lines
3.1 KiB
115 lines
3.1 KiB
using Mono.Cecil;
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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.Text;
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namespace CollectDependencies
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{
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class VirtualizedModule
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{
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private const string ENTRY_TYPE = "Display";
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private FileInfo _File;
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private ModuleDefinition _Module;
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public static VirtualizedModule Load(string engineFile)
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{
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return new VirtualizedModule(engineFile);
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}
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private VirtualizedModule(string assemblyFile)
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{
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_File = new FileInfo(assemblyFile);
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LoadModules();
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}
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private void LoadModules()
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{
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var resolver = new DefaultAssemblyResolver();
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resolver.AddSearchDirectory(_File.DirectoryName);
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var parameters = new ReaderParameters
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{
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AssemblyResolver = resolver,
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};
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_Module = ModuleDefinition.ReadModule(_File.FullName, parameters);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="module"></param>
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public void Virtualize(string targetfile)
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{
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foreach (var type in _Module.Types)
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{
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VirtualizeType(type);
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}
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_Module.Write(targetfile);
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}
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private void VirtualizeType(TypeDefinition type)
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{
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if(type.IsSealed)
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{
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// Unseal
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type.IsSealed = false;
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}
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if (type.IsInterface) return;
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if (type.IsAbstract) return;
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// These two don't seem to work.
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if (type.Name == "SceneControl" || type.Name == "ConfigUI") return;
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// Take care of sub types
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foreach (var subType in type.NestedTypes)
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{
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VirtualizeType(subType);
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}
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foreach (var method in type.Methods)
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{
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if (method.IsManaged
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&& method.IsIL
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&& !method.IsStatic
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&& !method.IsVirtual
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&& !method.IsAbstract
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&& !method.IsAddOn
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&& !method.IsConstructor
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&& !method.IsSpecialName
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&& !method.IsGenericInstance
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&& !method.HasOverrides)
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{
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method.IsVirtual = true;
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method.IsPublic = true;
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method.IsPrivate = false;
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method.IsNewSlot = true;
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method.IsHideBySig = true;
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}
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}
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foreach (var field in type.Fields)
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{
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if (field.IsPrivate) field.IsFamily = true;
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}
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}
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public bool IsVirtualized
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{
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get
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{
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var awakeMethods = _Module.GetTypes().SelectMany(t => t.Methods.Where(m => m.Name == "Awake"));
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if (awakeMethods.Count() == 0) return false;
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return ((float)awakeMethods.Count(m => m.IsVirtual) / awakeMethods.Count()) > 0.5f;
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}
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}
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}
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}
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