/* 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,
MethodAttributes.Public |
MethodAttributes.Static |
MethodAttributes.HideBySig,
Weaver.voidType);
readerFunc.Parameters.Add(new ParameterDefinition("reader", ParameterAttributes.None, Weaver.scriptDef.MainModule.ImportReference(Weaver.NetworkReaderType)));
readerFunc.Parameters.Add(new ParameterDefinition("instance", ParameterAttributes.None, m_TypeDef));
readerFunc.Body.Variables.Add(new VariableDefinition(Weaver.uint16Type));
readerFunc.Body.Variables.Add(new VariableDefinition(Weaver.uint16Type));
readerFunc.Body.InitLocals = true;
ILProcessor worker = readerFunc.Body.GetILProcessor();
worker.Append(worker.Create(OpCodes.Ldarg_0));
worker.Append(worker.Create(OpCodes.Callvirt, 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(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 = Weaver.ResolveMethod(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));
Weaver.RegisterReadByReferenceFunc(m_TypeDef.FullName, readerFunc);
}
