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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
namespace LibCommon
{
public class PacketBase
{
public EPacketDefs packetDefs = EPacketDefs.EInvalid;
protected Dictionary<int, PropertyInfo> dProperties = new Dictionary<int, PropertyInfo>();
public PacketBase()
{
var targetType = GetType();
var apropty = targetType.GetProperties();
foreach (PropertyInfo pi in apropty)
{
var attr = pi.GetCustomAttributes<ProtoMemberAttribute>();
foreach (ProtoMemberAttribute proto in attr)
{
int index = proto.Tag;
RegistProperty(index, pi);
}
}
}
private void RegistProperty(int index, PropertyInfo pi)
{
dProperties.Add(index, pi);
}
public void DoRead(byte[] bytes)
{
MemoryStream ms = new MemoryStream(bytes);
BinaryReader br = new BinaryReader(ms);
ms.Position = 0;
while (ms.Position < ms.Length)
{
int index = br.ReadInt32();
if (index < 1)
{
break;
}
if (!dProperties.ContainsKey(index))
{
continue;
}
if (dProperties[index].PropertyType == typeof(string))
{
dProperties[index].SetValue(this, br.ReadString());
}
else if (dProperties[index].PropertyType == typeof(int))
{
dProperties[index].SetValue(this, br.ReadInt32());
}
else if (dProperties[index].PropertyType == typeof(long))
{
dProperties[index].SetValue(this, br.ReadInt64());
}
else if (dProperties[index].PropertyType == typeof(float))
{
dProperties[index].SetValue(this, br.ReadSingle());
}
else if (dProperties[index].PropertyType == typeof(double))
{
dProperties[index].SetValue(this, br.ReadDouble());
}
else if (dProperties[index].PropertyType == typeof(List<string>))
{
List<string> lString = new List<string>();
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
lString.Add(br.ReadString());
}
dProperties[index].SetValue(this, lString);
}
else if (dProperties[index].PropertyType == typeof(List<int>))
{
List<int> lValue = new List<int>();
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
lValue.Add(br.ReadInt32());
}
dProperties[index].SetValue(this, lValue);
}
else if (dProperties[index].PropertyType == typeof(List<long>))
{
List<Int64> lValue = new List<Int64>();
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
lValue.Add(br.ReadInt64());
}
dProperties[index].SetValue(this, lValue);
}
else if (dProperties[index].PropertyType == typeof(List<float>))
{
List<float> lValue = new List<float>();
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
lValue.Add(br.ReadSingle());
}
dProperties[index].SetValue(this, lValue);
}
else if (dProperties[index].PropertyType == typeof(List<double>))
{
List<double> lValue = new List<double>();
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
lValue.Add(br.ReadDouble());
}
dProperties[index].SetValue(this, lValue);
}
}
}
public byte[] DoWrite()
{
MemoryStream ms = new MemoryStream();
BinaryWriter bw = new BinaryWriter(ms);
var targetType = GetType();
var apropty = targetType.GetProperties();
foreach (PropertyInfo pi in apropty)
{
var attr = pi.GetCustomAttributes<ProtoMemberAttribute>();
foreach (ProtoMemberAttribute proto in attr)
{
int index = proto.Tag;
if (dProperties.ContainsKey(index))
{
bw.Write(index);
if (dProperties[index].PropertyType == typeof(string))
{
bw.Write((string)dProperties[index].GetValue(this));
}
else if (dProperties[index].PropertyType == typeof(int))
{
bw.Write((int)dProperties[index].GetValue(this));
}
else if (dProperties[index].PropertyType == typeof(long))
{
bw.Write((long)dProperties[index].GetValue(this));
}
else if (dProperties[index].PropertyType == typeof(float))
{
bw.Write((float)dProperties[index].GetValue(this));
}
else if (dProperties[index].PropertyType == typeof(double))
{
bw.Write((double)dProperties[index].GetValue(this));
}
else if (dProperties[index].PropertyType == typeof(List<string>))
{
List<string> lValue = dProperties[index].GetValue(this) as List<string>;
int count = lValue.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
bw.Write(lValue);
}
}
else if (dProperties[index].PropertyType == typeof(List<int>))
{
List<int> lValue = dProperties[index].GetValue(this) as List<int>;
int count = lValue.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
bw.Write(lValue);
}
}
else if (dProperties[index].PropertyType == typeof(List<long>))
{
List<long> lValue = dProperties[index].GetValue(this) as List<long>;
int count = lValue.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
bw.Write(lValue);
}
}
else if (dProperties[index].PropertyType == typeof(List<float>))
{
List<float> lValue = dProperties[index].GetValue(this) as List<float>;
int count = lValue.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
bw.Write(lValue);
}
}
else if (dProperties[index].PropertyType == typeof(List<double>))
{
List<double> lValue = dProperties[index].GetValue(this) as List<double>;
int count = lValue.Count;
bw.Write(count);
for (int i = 0; i < count; i++)
{
bw.Write(lValue);
}
}
}
}
}
byte[] result = new byte[ms.Position];
Array.ConstrainedCopy(ms.GetBuffer(), 0, result, 0, (int)ms.Position);
return result;
}
}
}
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