// serialization of individual element MethodReference GenerateSerialization() { m_Weaver.DLog(m_TypeDef, " GenerateSerialization"); foreach (var m in m_TypeDef.Methods) { if (m.Name == "SerializeItem") { return(m); } } MethodDefinition serializeFunc = new MethodDefinition("SerializeItem", kPublicVirtualHide, m_Weaver.voidType); serializeFunc.Parameters.Add(new ParameterDefinition("writer", ParameterAttributes.None, m_Weaver.m_ScriptDef.MainModule.ImportReference(m_Weaver.NetworkWriterType))); serializeFunc.Parameters.Add(new ParameterDefinition("item", ParameterAttributes.None, m_ItemType)); ILProcessor serWorker = serializeFunc.Body.GetILProcessor(); if (m_ItemType.IsGenericInstance) { m_Weaver.fail = true; Log.Error("GenerateSerialization for " + Helpers.PrettyPrintType(m_ItemType) + " failed. Struct passed into SyncListStruct<T> can't have generic parameters"); return(null); } foreach (var field in m_ItemType.Resolve().Fields) { if (field.IsStatic || field.IsPrivate || field.IsSpecialName) { continue; } var importedField = m_Weaver.m_ScriptDef.MainModule.ImportReference(field); var ft = importedField.FieldType.Resolve(); if (ft.HasGenericParameters) { m_Weaver.fail = true; Log.Error("GenerateSerialization for " + m_TypeDef.Name + " [" + ft + "/" + ft.FullName + "]. UNet [MessageBase] member cannot have generic parameters."); return(null); } if (ft.IsInterface) { m_Weaver.fail = true; Log.Error("GenerateSerialization for " + m_TypeDef.Name + " [" + ft + "/" + ft.FullName + "]. UNet [MessageBase] member cannot be an interface."); return(null); } MethodReference writeFunc = m_Weaver.GetWriteFunc(field.FieldType); if (writeFunc != null) { serWorker.Append(serWorker.Create(OpCodes.Ldarg_1)); serWorker.Append(serWorker.Create(OpCodes.Ldarg_2)); serWorker.Append(serWorker.Create(OpCodes.Ldfld, importedField)); serWorker.Append(serWorker.Create(OpCodes.Call, writeFunc)); } else { m_Weaver.fail = true; Log.Error("GenerateSerialization for " + m_TypeDef.Name + " unknown type [" + ft + "/" + ft.FullName + "]. UNet [MessageBase] member variables must be basic types."); return(null); } } serWorker.Append(serWorker.Create(OpCodes.Ret)); m_TypeDef.Methods.Add(serializeFunc); return(serializeFunc); }
/* deserialization of entire list. generates code like: * * static public void ReadStructBuf(NetworkReader reader, SyncListBuf instance) * { * ushort count = reader.ReadUInt16(); * instance.Clear() * for (ushort i = 0; i < count; i++) * { * instance.AddInternal(instance.DeserializeItem(reader)); * } * } */ void GenerateReadFunc(MethodReference readItemFunc) { var functionName = "_ReadStruct" + m_TypeDef.Name + "_"; if (m_TypeDef.DeclaringType != null) { functionName += m_TypeDef.DeclaringType.Name; } else { functionName += "None"; } // create new reader for this type MethodDefinition readerFunc = new MethodDefinition(functionName, kPublicStaticHide, m_Weaver.voidType); readerFunc.Parameters.Add(new ParameterDefinition("reader", ParameterAttributes.None, m_Weaver.m_ScriptDef.MainModule.ImportReference(m_Weaver.NetworkReaderType))); readerFunc.Parameters.Add(new ParameterDefinition("instance", ParameterAttributes.None, m_TypeDef)); readerFunc.Body.Variables.Add(new VariableDefinition(m_Weaver.uint16Type)); readerFunc.Body.Variables.Add(new VariableDefinition(m_Weaver.uint16Type)); readerFunc.Body.InitLocals = true; ILProcessor worker = readerFunc.Body.GetILProcessor(); worker.Append(worker.Create(OpCodes.Ldarg_0)); worker.Append(worker.Create(OpCodes.Callvirt, m_Weaver.NetworkReadUInt16)); worker.Append(worker.Create(OpCodes.Stloc_0)); // Call Clear() from the base class worker.Append(worker.Create(OpCodes.Ldarg_1)); MethodReference genericClearMethod = Helpers.MakeHostInstanceGeneric(m_Weaver.SyncListClear, m_ItemType); worker.Append(worker.Create(OpCodes.Callvirt, genericClearMethod)); worker.Append(worker.Create(OpCodes.Ldc_I4_0)); worker.Append(worker.Create(OpCodes.Stloc_1)); var loopCheckLabel = worker.Create(OpCodes.Nop); worker.Append(worker.Create(OpCodes.Br, loopCheckLabel)); // loop body var loopHeadLabel = worker.Create(OpCodes.Nop); worker.Append(loopHeadLabel); worker.Append(worker.Create(OpCodes.Ldarg_1)); worker.Append(worker.Create(OpCodes.Ldarg_1)); worker.Append(worker.Create(OpCodes.Ldarg_0)); worker.Append(worker.Create(OpCodes.Callvirt, readItemFunc)); // call the generic AddInternal from the base class var addInternal = m_Weaver.ResolveMethod(m_Weaver.SyncListStructType, "AddInternal"); var addInternalTyped = Helpers.MakeHostInstanceGeneric(addInternal, m_ItemType); worker.Append(worker.Create(OpCodes.Callvirt, addInternalTyped)); worker.Append(worker.Create(OpCodes.Ldloc_1)); worker.Append(worker.Create(OpCodes.Ldc_I4_1)); worker.Append(worker.Create(OpCodes.Add)); worker.Append(worker.Create(OpCodes.Conv_U2)); worker.Append(worker.Create(OpCodes.Stloc_1)); // loop check worker.Append(loopCheckLabel); worker.Append(worker.Create(OpCodes.Ldloc_1)); worker.Append(worker.Create(OpCodes.Ldloc_0)); worker.Append(worker.Create(OpCodes.Blt, loopHeadLabel)); // done //worker.Append(worker.Create(OpCodes.Ldloc_1)); worker.Append(worker.Create(OpCodes.Ret)); m_Weaver.RegisterReadByReferenceFunc(m_TypeDef.FullName, readerFunc); }
/*serialization of entire list. generates code like: * * static public void WriteStructBuf(NetworkWriter writer, SyncListBuf items) * { * ushort count = (ushort)items.Count; * writer.Write(count); * for (ushort i=0; i < count; i++) * { * items.SerializeItem(writer, items.GetItem(i)); * } * } */ void GenerateWriteFunc(MethodReference writeItemFunc) { var functionName = "_WriteStruct" + m_TypeDef.GetElementType().Name + "_"; if (m_TypeDef.DeclaringType != null) { functionName += m_TypeDef.DeclaringType.Name; } else { functionName += "None"; } // create new writer for this type MethodDefinition writerFunc = new MethodDefinition(functionName, kPublicStaticHide, m_Weaver.voidType); writerFunc.Parameters.Add(new ParameterDefinition("writer", ParameterAttributes.None, m_Weaver.m_ScriptDef.MainModule.ImportReference(m_Weaver.NetworkWriterType))); writerFunc.Parameters.Add(new ParameterDefinition("value", ParameterAttributes.None, m_Weaver.m_ScriptDef.MainModule.ImportReference(m_TypeDef))); writerFunc.Body.Variables.Add(new VariableDefinition(m_Weaver.uint16Type)); writerFunc.Body.Variables.Add(new VariableDefinition(m_Weaver.uint16Type)); writerFunc.Body.InitLocals = true; ILProcessor worker = writerFunc.Body.GetILProcessor(); worker.Append(worker.Create(OpCodes.Ldarg_1)); // call the generic Count from the base class var getCount = m_Weaver.ResolveMethod(m_Weaver.SyncListStructType, "get_Count"); var getCountTyped = Helpers.MakeHostInstanceGeneric(getCount, m_ItemType); worker.Append(worker.Create(OpCodes.Callvirt, getCountTyped)); worker.Append(worker.Create(OpCodes.Stloc_0)); worker.Append(worker.Create(OpCodes.Ldarg_0)); worker.Append(worker.Create(OpCodes.Ldloc_0)); worker.Append(worker.Create(OpCodes.Callvirt, m_Weaver.NetworkWriteUInt16)); worker.Append(worker.Create(OpCodes.Ldc_I4_0)); worker.Append(worker.Create(OpCodes.Stloc_1)); var loopCheckLabel = worker.Create(OpCodes.Nop); worker.Append(worker.Create(OpCodes.Br, loopCheckLabel)); //loop start var loopStartLabel = worker.Create(OpCodes.Nop); worker.Append(loopStartLabel); worker.Append(worker.Create(OpCodes.Ldarg_1)); worker.Append(worker.Create(OpCodes.Ldarg_0)); worker.Append(worker.Create(OpCodes.Ldarg_1)); worker.Append(worker.Create(OpCodes.Ldloc_1)); // call the generic [] from the base class var getItem = m_Weaver.ResolveMethod(m_Weaver.SyncListStructType, "GetItem"); var getItemTyped = Helpers.MakeHostInstanceGeneric(getItem, m_ItemType); worker.Append(worker.Create(OpCodes.Callvirt, getItemTyped)); worker.Append(worker.Create(OpCodes.Callvirt, writeItemFunc)); worker.Append(worker.Create(OpCodes.Ldloc_1)); worker.Append(worker.Create(OpCodes.Ldc_I4_1)); worker.Append(worker.Create(OpCodes.Add)); worker.Append(worker.Create(OpCodes.Conv_U2)); worker.Append(worker.Create(OpCodes.Stloc_1)); worker.Append(loopCheckLabel); worker.Append(worker.Create(OpCodes.Ldloc_1)); worker.Append(worker.Create(OpCodes.Ldloc_0)); worker.Append(worker.Create(OpCodes.Blt, loopStartLabel)); worker.Append(worker.Create(OpCodes.Ret)); m_Weaver.RegisterWriteFunc(m_TypeDef.FullName, writerFunc); }