mirror of
https://github.com/Steffo99/better-tee.git
synced 2024-11-22 23:34:18 +00:00
598 lines
27 KiB
C#
598 lines
27 KiB
C#
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 Mono.CecilX;
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using Mono.CecilX.Cil;
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namespace Mirror.Weaver
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{
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// This data is flushed each time - if we are run multiple times in the same process/domain
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class WeaverLists
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{
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// setter functions that replace [SyncVar] member variable references. dict<field, replacement>
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public Dictionary<FieldDefinition, MethodDefinition> replacementSetterProperties = new Dictionary<FieldDefinition, MethodDefinition>();
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// getter functions that replace [SyncVar] member variable references. dict<field, replacement>
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public Dictionary<FieldDefinition, MethodDefinition> replacementGetterProperties = new Dictionary<FieldDefinition, MethodDefinition>();
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// [Command]/[ClientRpc] functions that should be replaced. dict<originalMethodFullName, replacement>
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public Dictionary<string, MethodDefinition> replaceMethods = new Dictionary<string, MethodDefinition>();
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// [SyncEvent] invoke functions that should be replaced. dict<originalEventName, replacement>
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public Dictionary<string, MethodDefinition> replaceEvents = new Dictionary<string, MethodDefinition>();
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public List<MethodDefinition> generatedReadFunctions = new List<MethodDefinition>();
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public List<MethodDefinition> generatedWriteFunctions = new List<MethodDefinition>();
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public TypeDefinition generateContainerClass;
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// amount of SyncVars per class. dict<className, amount>
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public Dictionary<string, int> numSyncVars = new Dictionary<string, int>();
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}
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class Weaver
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{
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public static WeaverLists WeaveLists { get; private set; }
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public static AssemblyDefinition CurrentAssembly { get; private set; }
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public static ModuleDefinition CorLibModule { get; private set; }
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public static AssemblyDefinition UnityAssembly { get; private set; }
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public static AssemblyDefinition NetAssembly { get; private set; }
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public static bool WeavingFailed { get; private set; }
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public static bool GenerateLogErrors { get; set; }
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// private properties
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static readonly bool DebugLogEnabled = true;
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// Network types
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public static TypeReference NetworkBehaviourType;
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public static TypeReference NetworkBehaviourType2;
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public static TypeReference MonoBehaviourType;
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public static TypeReference ScriptableObjectType;
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public static TypeReference NetworkConnectionType;
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public static TypeReference MessageBaseType;
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public static TypeReference SyncListType;
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public static TypeReference SyncSetType;
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public static TypeReference SyncDictionaryType;
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public static MethodReference NetworkBehaviourDirtyBitsReference;
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public static MethodReference GetPooledWriterReference;
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public static MethodReference RecycleWriterReference;
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public static TypeReference NetworkClientType;
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public static TypeReference NetworkServerType;
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public static TypeReference NetworkReaderType;
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public static TypeReference NetworkWriterType;
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public static TypeReference NetworkIdentityType;
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public static TypeReference IEnumeratorType;
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public static TypeReference ClientSceneType;
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public static MethodReference ReadyConnectionReference;
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public static TypeReference ComponentType;
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public static TypeReference CmdDelegateReference;
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public static MethodReference CmdDelegateConstructor;
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public static MethodReference NetworkServerGetActive;
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public static MethodReference NetworkServerGetLocalClientActive;
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public static MethodReference NetworkClientGetActive;
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public static MethodReference getBehaviourIsServer;
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// custom attribute types
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public static TypeReference SyncVarType;
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public static TypeReference CommandType;
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public static TypeReference ClientRpcType;
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public static TypeReference TargetRpcType;
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public static TypeReference SyncEventType;
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public static TypeReference SyncObjectType;
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public static MethodReference InitSyncObjectReference;
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// array segment
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public static TypeReference ArraySegmentType;
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public static MethodReference ArraySegmentConstructorReference;
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public static MethodReference ArraySegmentArrayReference;
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public static MethodReference ArraySegmentOffsetReference;
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public static MethodReference ArraySegmentCountReference;
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// system types
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public static TypeReference voidType;
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public static TypeReference singleType;
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public static TypeReference doubleType;
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public static TypeReference boolType;
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public static TypeReference int64Type;
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public static TypeReference uint64Type;
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public static TypeReference int32Type;
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public static TypeReference uint32Type;
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public static TypeReference objectType;
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public static TypeReference typeType;
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public static TypeReference gameObjectType;
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public static TypeReference transformType;
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public static MethodReference setSyncVarReference;
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public static MethodReference setSyncVarHookGuard;
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public static MethodReference getSyncVarHookGuard;
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public static MethodReference setSyncVarGameObjectReference;
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public static MethodReference getSyncVarGameObjectReference;
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public static MethodReference setSyncVarNetworkIdentityReference;
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public static MethodReference getSyncVarNetworkIdentityReference;
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public static MethodReference registerCommandDelegateReference;
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public static MethodReference registerRpcDelegateReference;
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public static MethodReference registerEventDelegateReference;
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public static MethodReference getTypeReference;
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public static MethodReference getTypeFromHandleReference;
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public static MethodReference logErrorReference;
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public static MethodReference logWarningReference;
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public static MethodReference sendCommandInternal;
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public static MethodReference sendRpcInternal;
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public static MethodReference sendTargetRpcInternal;
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public static MethodReference sendEventInternal;
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public static void DLog(TypeDefinition td, string fmt, params object[] args)
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{
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if (!DebugLogEnabled)
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return;
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Console.WriteLine("[" + td.Name + "] " + string.Format(fmt, args));
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}
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// display weaver error
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// and mark process as failed
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public static void Error(string message)
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{
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Log.Error(message);
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WeavingFailed = true;
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}
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public static int GetSyncVarStart(string className)
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{
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return WeaveLists.numSyncVars.ContainsKey(className)
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? WeaveLists.numSyncVars[className]
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: 0;
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}
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public static void SetNumSyncVars(string className, int num)
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{
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WeaveLists.numSyncVars[className] = num;
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}
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internal static void ConfirmGeneratedCodeClass()
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{
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if (WeaveLists.generateContainerClass == null)
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{
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WeaveLists.generateContainerClass = new TypeDefinition("Mirror", "GeneratedNetworkCode",
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TypeAttributes.BeforeFieldInit | TypeAttributes.Class | TypeAttributes.AnsiClass | TypeAttributes.Public | TypeAttributes.AutoClass,
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objectType);
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const MethodAttributes methodAttributes = MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
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MethodDefinition method = new MethodDefinition(".ctor", methodAttributes, voidType);
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method.Body.Instructions.Add(Instruction.Create(OpCodes.Ldarg_0));
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method.Body.Instructions.Add(Instruction.Create(OpCodes.Call, Resolvers.ResolveMethod(objectType, CurrentAssembly, ".ctor")));
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method.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
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WeaveLists.generateContainerClass.Methods.Add(method);
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}
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}
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static bool ProcessNetworkBehaviourType(TypeDefinition td)
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{
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if (!NetworkBehaviourProcessor.WasProcessed(td))
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{
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DLog(td, "Found NetworkBehaviour " + td.FullName);
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NetworkBehaviourProcessor proc = new NetworkBehaviourProcessor(td);
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proc.Process();
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return true;
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}
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return false;
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}
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static void SetupUnityTypes()
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{
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gameObjectType = UnityAssembly.MainModule.GetType("UnityEngine.GameObject");
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transformType = UnityAssembly.MainModule.GetType("UnityEngine.Transform");
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NetworkClientType = NetAssembly.MainModule.GetType("Mirror.NetworkClient");
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NetworkServerType = NetAssembly.MainModule.GetType("Mirror.NetworkServer");
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SyncVarType = NetAssembly.MainModule.GetType("Mirror.SyncVarAttribute");
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CommandType = NetAssembly.MainModule.GetType("Mirror.CommandAttribute");
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ClientRpcType = NetAssembly.MainModule.GetType("Mirror.ClientRpcAttribute");
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TargetRpcType = NetAssembly.MainModule.GetType("Mirror.TargetRpcAttribute");
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SyncEventType = NetAssembly.MainModule.GetType("Mirror.SyncEventAttribute");
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SyncObjectType = NetAssembly.MainModule.GetType("Mirror.SyncObject");
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}
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static void SetupCorLib()
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{
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AssemblyNameReference name = AssemblyNameReference.Parse("mscorlib");
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ReaderParameters parameters = new ReaderParameters
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{
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AssemblyResolver = CurrentAssembly.MainModule.AssemblyResolver
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};
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CorLibModule = CurrentAssembly.MainModule.AssemblyResolver.Resolve(name, parameters).MainModule;
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}
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static TypeReference ImportCorLibType(string fullName)
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{
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TypeDefinition type = CorLibModule.GetType(fullName) ?? CorLibModule.ExportedTypes.First(t => t.FullName == fullName).Resolve();
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if (type != null)
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{
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return CurrentAssembly.MainModule.ImportReference(type);
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}
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Error("Failed to import mscorlib type: " + fullName + " because Resolve failed. (Might happen when trying to Resolve in NetStandard dll, see also: https://github.com/vis2k/Mirror/issues/791)");
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return null;
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}
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static void SetupTargetTypes()
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{
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// system types
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SetupCorLib();
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voidType = ImportCorLibType("System.Void");
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singleType = ImportCorLibType("System.Single");
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doubleType = ImportCorLibType("System.Double");
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boolType = ImportCorLibType("System.Boolean");
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int64Type = ImportCorLibType("System.Int64");
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uint64Type = ImportCorLibType("System.UInt64");
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int32Type = ImportCorLibType("System.Int32");
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uint32Type = ImportCorLibType("System.UInt32");
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objectType = ImportCorLibType("System.Object");
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typeType = ImportCorLibType("System.Type");
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IEnumeratorType = ImportCorLibType("System.Collections.IEnumerator");
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ArraySegmentType = ImportCorLibType("System.ArraySegment`1");
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ArraySegmentArrayReference = Resolvers.ResolveProperty(ArraySegmentType, CurrentAssembly, "Array");
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ArraySegmentCountReference = Resolvers.ResolveProperty(ArraySegmentType, CurrentAssembly, "Count");
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ArraySegmentOffsetReference = Resolvers.ResolveProperty(ArraySegmentType, CurrentAssembly, "Offset");
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ArraySegmentConstructorReference = Resolvers.ResolveMethod(ArraySegmentType, CurrentAssembly, ".ctor");
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NetworkReaderType = NetAssembly.MainModule.GetType("Mirror.NetworkReader");
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NetworkWriterType = NetAssembly.MainModule.GetType("Mirror.NetworkWriter");
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NetworkServerGetActive = Resolvers.ResolveMethod(NetworkServerType, CurrentAssembly, "get_active");
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NetworkServerGetLocalClientActive = Resolvers.ResolveMethod(NetworkServerType, CurrentAssembly, "get_localClientActive");
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NetworkClientGetActive = Resolvers.ResolveMethod(NetworkClientType, CurrentAssembly, "get_active");
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CmdDelegateReference = NetAssembly.MainModule.GetType("Mirror.NetworkBehaviour/CmdDelegate");
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CmdDelegateConstructor = Resolvers.ResolveMethod(CmdDelegateReference, CurrentAssembly, ".ctor");
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CurrentAssembly.MainModule.ImportReference(gameObjectType);
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CurrentAssembly.MainModule.ImportReference(transformType);
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TypeReference networkIdentityTmp = NetAssembly.MainModule.GetType("Mirror.NetworkIdentity");
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NetworkIdentityType = CurrentAssembly.MainModule.ImportReference(networkIdentityTmp);
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NetworkBehaviourType = NetAssembly.MainModule.GetType("Mirror.NetworkBehaviour");
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NetworkBehaviourType2 = CurrentAssembly.MainModule.ImportReference(NetworkBehaviourType);
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NetworkConnectionType = NetAssembly.MainModule.GetType("Mirror.NetworkConnection");
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MonoBehaviourType = UnityAssembly.MainModule.GetType("UnityEngine.MonoBehaviour");
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ScriptableObjectType = UnityAssembly.MainModule.GetType("UnityEngine.ScriptableObject");
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NetworkConnectionType = NetAssembly.MainModule.GetType("Mirror.NetworkConnection");
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NetworkConnectionType = CurrentAssembly.MainModule.ImportReference(NetworkConnectionType);
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MessageBaseType = NetAssembly.MainModule.GetType("Mirror.MessageBase");
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SyncListType = NetAssembly.MainModule.GetType("Mirror.SyncList`1");
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SyncSetType = NetAssembly.MainModule.GetType("Mirror.SyncSet`1");
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SyncDictionaryType = NetAssembly.MainModule.GetType("Mirror.SyncDictionary`2");
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NetworkBehaviourDirtyBitsReference = Resolvers.ResolveProperty(NetworkBehaviourType, CurrentAssembly, "syncVarDirtyBits");
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TypeDefinition NetworkWriterPoolType = NetAssembly.MainModule.GetType("Mirror.NetworkWriterPool");
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GetPooledWriterReference = Resolvers.ResolveMethod(NetworkWriterPoolType, CurrentAssembly, "GetWriter");
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RecycleWriterReference = Resolvers.ResolveMethod(NetworkWriterPoolType, CurrentAssembly, "Recycle");
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ComponentType = UnityAssembly.MainModule.GetType("UnityEngine.Component");
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ClientSceneType = NetAssembly.MainModule.GetType("Mirror.ClientScene");
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ReadyConnectionReference = Resolvers.ResolveMethod(ClientSceneType, CurrentAssembly, "get_readyConnection");
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getBehaviourIsServer = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "get_isServer");
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setSyncVarReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SetSyncVar");
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setSyncVarHookGuard = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "setSyncVarHookGuard");
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getSyncVarHookGuard = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "getSyncVarHookGuard");
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setSyncVarGameObjectReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SetSyncVarGameObject");
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getSyncVarGameObjectReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "GetSyncVarGameObject");
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setSyncVarNetworkIdentityReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SetSyncVarNetworkIdentity");
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getSyncVarNetworkIdentityReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "GetSyncVarNetworkIdentity");
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registerCommandDelegateReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "RegisterCommandDelegate");
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registerRpcDelegateReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "RegisterRpcDelegate");
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registerEventDelegateReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "RegisterEventDelegate");
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getTypeReference = Resolvers.ResolveMethod(objectType, CurrentAssembly, "GetType");
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getTypeFromHandleReference = Resolvers.ResolveMethod(typeType, CurrentAssembly, "GetTypeFromHandle");
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logErrorReference = Resolvers.ResolveMethod(UnityAssembly.MainModule.GetType("UnityEngine.Debug"), CurrentAssembly, "LogError");
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logWarningReference = Resolvers.ResolveMethod(UnityAssembly.MainModule.GetType("UnityEngine.Debug"), CurrentAssembly, "LogWarning");
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sendCommandInternal = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SendCommandInternal");
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sendRpcInternal = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SendRPCInternal");
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sendTargetRpcInternal = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SendTargetRPCInternal");
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sendEventInternal = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "SendEventInternal");
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SyncObjectType = CurrentAssembly.MainModule.ImportReference(SyncObjectType);
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InitSyncObjectReference = Resolvers.ResolveMethod(NetworkBehaviourType, CurrentAssembly, "InitSyncObject");
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}
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public static bool IsNetworkBehaviour(TypeDefinition td)
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{
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return td.IsDerivedFrom(NetworkBehaviourType);
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}
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public static bool IsValidTypeToGenerate(TypeDefinition variable)
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{
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// a valid type is a simple class or struct. so we generate only code for types we dont know, and if they are not inside
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// this assembly it must mean that we are trying to serialize a variable outside our scope. and this will fail.
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// no need to report an error here, the caller will report a better error
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string assembly = CurrentAssembly.MainModule.Name;
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return variable.Module.Name == assembly;
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}
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static void CheckMonoBehaviour(TypeDefinition td)
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{
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if (td.IsDerivedFrom(MonoBehaviourType))
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{
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MonoBehaviourProcessor.Process(td);
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}
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}
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static bool CheckNetworkBehaviour(TypeDefinition td)
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{
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if (!td.IsClass)
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return false;
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if (!IsNetworkBehaviour(td))
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{
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CheckMonoBehaviour(td);
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return false;
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}
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// process this and base classes from parent to child order
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List<TypeDefinition> behaviourClasses = new List<TypeDefinition>();
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TypeDefinition parent = td;
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while (parent != null)
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{
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if (parent.FullName == NetworkBehaviourType.FullName)
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{
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break;
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}
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try
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{
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behaviourClasses.Insert(0, parent);
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parent = parent.BaseType.Resolve();
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}
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catch (AssemblyResolutionException)
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{
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// this can happen for plugins.
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//Console.WriteLine("AssemblyResolutionException: "+ ex.ToString());
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break;
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}
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}
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bool didWork = false;
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foreach (TypeDefinition behaviour in behaviourClasses)
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{
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didWork |= ProcessNetworkBehaviourType(behaviour);
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}
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return didWork;
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}
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static bool CheckMessageBase(TypeDefinition td)
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{
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if (!td.IsClass)
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return false;
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bool didWork = false;
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// are ANY parent classes MessageBase
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TypeReference parent = td.BaseType;
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while (parent != null)
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{
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if (parent.FullName == MessageBaseType.FullName)
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{
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MessageClassProcessor.Process(td);
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didWork = true;
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break;
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}
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try
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{
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parent = parent.Resolve().BaseType;
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}
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catch (AssemblyResolutionException)
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{
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// this can happen for plugins.
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//Console.WriteLine("AssemblyResolutionException: "+ ex.ToString());
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break;
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}
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}
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// check for embedded types
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foreach (TypeDefinition embedded in td.NestedTypes)
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{
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didWork |= CheckMessageBase(embedded);
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}
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return didWork;
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}
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static bool CheckSyncList(TypeDefinition td)
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{
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if (!td.IsClass)
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return false;
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bool didWork = false;
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// are ANY parent classes SyncListStruct
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TypeReference parent = td.BaseType;
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while (parent != null)
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{
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if (parent.FullName.StartsWith(SyncListType.FullName, StringComparison.Ordinal))
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{
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SyncListProcessor.Process(td);
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didWork = true;
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break;
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}
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if (parent.FullName.StartsWith(SyncSetType.FullName, StringComparison.Ordinal))
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{
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SyncListProcessor.Process(td);
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didWork = true;
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break;
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}
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if (parent.FullName.StartsWith(SyncDictionaryType.FullName, StringComparison.Ordinal))
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{
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SyncDictionaryProcessor.Process(td);
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didWork = true;
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break;
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}
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try
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{
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parent = parent.Resolve().BaseType;
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}
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catch (AssemblyResolutionException)
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{
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// this can happen for pluins.
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//Console.WriteLine("AssemblyResolutionException: "+ ex.ToString());
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break;
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}
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}
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// check for embedded types
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foreach (TypeDefinition embedded in td.NestedTypes)
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{
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didWork |= CheckSyncList(embedded);
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}
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return didWork;
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}
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static bool Weave(string assName, IEnumerable<string> dependencies, string unityEngineDLLPath, string mirrorNetDLLPath, string outputDir)
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{
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using (DefaultAssemblyResolver asmResolver = new DefaultAssemblyResolver())
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using (CurrentAssembly = AssemblyDefinition.ReadAssembly(assName, new ReaderParameters { ReadWrite = true, ReadSymbols = true, AssemblyResolver = asmResolver }))
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{
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asmResolver.AddSearchDirectory(Path.GetDirectoryName(assName));
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asmResolver.AddSearchDirectory(Helpers.UnityEngineDLLDirectoryName());
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asmResolver.AddSearchDirectory(Path.GetDirectoryName(unityEngineDLLPath));
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asmResolver.AddSearchDirectory(Path.GetDirectoryName(mirrorNetDLLPath));
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if (dependencies != null)
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{
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foreach (string path in dependencies)
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{
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asmResolver.AddSearchDirectory(path);
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}
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}
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SetupTargetTypes();
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System.Diagnostics.Stopwatch rwstopwatch = System.Diagnostics.Stopwatch.StartNew();
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ReaderWriterProcessor.ProcessReadersAndWriters(CurrentAssembly);
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rwstopwatch.Stop();
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Console.WriteLine("Find all reader and writers took " + rwstopwatch.ElapsedMilliseconds + " milliseconds");
|
|
|
|
ModuleDefinition moduleDefinition = CurrentAssembly.MainModule;
|
|
Console.WriteLine("Script Module: {0}", moduleDefinition.Name);
|
|
|
|
// Process each NetworkBehaviour
|
|
bool didWork = false;
|
|
|
|
// We need to do 2 passes, because SyncListStructs might be referenced from other modules, so we must make sure we generate them first.
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
System.Diagnostics.Stopwatch watch = System.Diagnostics.Stopwatch.StartNew();
|
|
foreach (TypeDefinition td in moduleDefinition.Types)
|
|
{
|
|
if (td.IsClass && td.BaseType.CanBeResolved())
|
|
{
|
|
try
|
|
{
|
|
if (pass == 0)
|
|
{
|
|
didWork |= CheckSyncList(td);
|
|
}
|
|
else
|
|
{
|
|
didWork |= CheckNetworkBehaviour(td);
|
|
didWork |= CheckMessageBase(td);
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Error(ex.ToString());
|
|
throw ex;
|
|
}
|
|
}
|
|
|
|
if (WeavingFailed)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
watch.Stop();
|
|
Console.WriteLine("Pass: " + pass + " took " + watch.ElapsedMilliseconds + " milliseconds");
|
|
}
|
|
|
|
if (didWork)
|
|
{
|
|
// this must be done for ALL code, not just NetworkBehaviours
|
|
try
|
|
{
|
|
PropertySiteProcessor.ProcessSitesModule(CurrentAssembly.MainModule);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Log.Error("ProcessPropertySites exception: " + e);
|
|
return false;
|
|
}
|
|
|
|
if (WeavingFailed)
|
|
{
|
|
//Log.Error("Failed phase II.");
|
|
return false;
|
|
}
|
|
|
|
// write to outputDir if specified, otherwise perform in-place write
|
|
WriterParameters writeParams = new WriterParameters { WriteSymbols = true };
|
|
if (outputDir != null)
|
|
{
|
|
CurrentAssembly.Write(Helpers.DestinationFileFor(outputDir, assName), writeParams);
|
|
}
|
|
else
|
|
{
|
|
CurrentAssembly.Write(writeParams);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public static bool WeaveAssemblies(IEnumerable<string> assemblies, IEnumerable<string> dependencies, string outputDir, string unityEngineDLLPath, string mirrorNetDLLPath)
|
|
{
|
|
WeavingFailed = false;
|
|
WeaveLists = new WeaverLists();
|
|
|
|
using (UnityAssembly = AssemblyDefinition.ReadAssembly(unityEngineDLLPath))
|
|
using (NetAssembly = AssemblyDefinition.ReadAssembly(mirrorNetDLLPath))
|
|
{
|
|
SetupUnityTypes();
|
|
|
|
try
|
|
{
|
|
foreach (string ass in assemblies)
|
|
{
|
|
if (!Weave(ass, dependencies, unityEngineDLLPath, mirrorNetDLLPath, outputDir))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Log.Error("Exception :" + e);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|