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备份CatanBuilding瘦身独立工程

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JSD\13999
2026-05-26 16:15:54 +08:00
commit 2d0e6a61b7
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566
LocalPackages/rtm-sdk-unity-2.7.20/Runtime/Plugins/fpnn/msgpack/MsgPacker.cs Normal file
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using System;
using System.IO;
using System.Text;
using System.Collections;
using System.Collections.Generic;
namespace com.fpnn.msgpack
{
public static class MsgPacker
{
public delegate void PackItem(Stream stream, Object obj);
private static readonly Dictionary<string, PackItem> _packDict;
static MsgPacker()
{
_packDict = new Dictionary<string, PackItem>
{
{ "System.Boolean", PackBoolean },
{ "System.Decimal", PackDecimal },
{ "System.Double", PackDouble },
{ "System.Single", PackFloat },
{ "System.SByte", PackInteger },
{ "System.Int16", PackInteger },
{ "System.Int32", PackInteger },
{ "System.Int64", PackInteger },
{ "System.Byte", PackUInteger },
{ "System.Char", PackUInteger },
{ "System.UInt16", PackUInteger },
{ "System.UInt32", PackUInteger },
{ "System.UInt64", PackUInteger },
{ "System.String", PackString },
{ "System.Tuple", PackTuple },
{ "System.DateTime", PackTimestamp },
{ "System.Byte[]", PackBinary }
};
}
/*
* May throw exception in UnsupportedTypeException type.
*/
static public void Pack(Stream stream, Object obj)
{
if (obj == null)
{
PackNull(stream);
return;
}
string typeFullName = obj.GetType().FullName;
int idx = typeFullName.IndexOf('`');
if (idx != -1)
{
typeFullName = typeFullName.Substring(0, idx);
}
if (_packDict.TryGetValue(typeFullName, out PackItem packer))
{
packer(stream, obj);
}
else if (obj is IEnumerable)
{
PackIEnumerable(stream, obj);
}
else
{
throw UnsupportedTypeException.Create(obj);
}
}
static public void PackNull(Stream stream)
{
byte sign = 0xc0;
stream.WriteByte(sign);
}
static public void PackBoolean(Stream stream, Object obj)
{
Boolean v = (bool)obj;
if (v)
{
byte sign = 0xc3;
stream.WriteByte(sign);
}
else
{
byte sign = 0xc2;
stream.WriteByte(sign);
}
}
static public void PackInteger(Stream stream, Object obj)
{
Int64 value = (Int64)Convert.ChangeType(obj, TypeCode.Int64);
if (value >= 0)
{
PackUInteger(stream, obj);
return;
}
if ((0xFFFFFFFFFFFFFFE0 & (UInt64)value) == 0xFFFFFFFFFFFFFFE0)
{
sbyte sbyteValue = (sbyte)value;
stream.WriteByte((byte)sbyteValue);
}
else if ((0xFFFFFFFFFFFFFF80 & (UInt64)value) == 0xFFFFFFFFFFFFFF80)
{
sbyte sbyteValue = (sbyte)value;
byte sign = 0xd0;
stream.WriteByte(sign);
stream.WriteByte((byte)sbyteValue);
}
else if ((0xFFFFFFFFFFFF8000 & (UInt64)value) == 0xFFFFFFFFFFFF8000)
{
short shortValue = (short)value;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xd1;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 2);
}
else if ((0xFFFFFFFF80000000 & (UInt64)value) == 0xFFFFFFFF80000000)
{
Int32 int32Value = (Int32)value;
byte[] lenBuffer = BitConverter.GetBytes(int32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xd2;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 4);
}
else
{
Int64 int64Value = (Int64)value;
byte[] lenBuffer = BitConverter.GetBytes(int64Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xd3;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 8);
}
}
static public void PackUInteger(Stream stream, Object obj)
{
UInt64 value = (UInt64)Convert.ChangeType(obj, TypeCode.UInt64);
if (value <= 127)
{
byte byteValue = (byte)value;
stream.WriteByte(byteValue);
}
else if (value <= 0xFF)
{
byte sign = 0xcc;
stream.WriteByte(sign);
byte byteValue = (byte)value;
stream.WriteByte(byteValue);
}
else if (value <= 0xFFFF)
{
ushort shortValue = (ushort)value;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xcd;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 2);
}
else if (value <= 0xFFFFFFFF)
{
UInt32 uint32Value = (UInt32)value;
byte[] lenBuffer = BitConverter.GetBytes(uint32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xce;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 4);
}
else
{
UInt64 uint64Value = (UInt64)value;
byte[] lenBuffer = BitConverter.GetBytes(uint64Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xcf;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 8);
}
}
static public void PackFloat(Stream stream, Object obj)
{
//-- float in C# memory already is IEEE 754
float value = (float)obj;
byte[] byteArray = BitConverter.GetBytes(value);
if (BitConverter.IsLittleEndian)
Array.Reverse(byteArray);
byte sign = 0xca;
stream.WriteByte(sign);
stream.Write(byteArray, 0, 4);
}
static public void PackDouble(Stream stream, Object obj)
{
//-- double in C# memory already is IEEE 754
double value = (double)obj;
byte[] byteArray = BitConverter.GetBytes(value);
if (BitConverter.IsLittleEndian)
Array.Reverse(byteArray);
byte sign = 0xcb;
stream.WriteByte(sign);
stream.Write(byteArray, 0, 8);
}
static public void PackDecimal(Stream stream, Object obj)
{
Decimal dec = (Decimal)obj;
double value = Decimal.ToDouble(dec);
PackDouble(stream, value);
}
static public void PackString(Stream stream, Object obj)
{
string stringValue = (string)obj;
UTF8Encoding utf8Encoding = new UTF8Encoding(); //-- NO BOM.
byte[] rawData = utf8Encoding.GetBytes(stringValue);
if (rawData.Length <= 31)
{
byte sign = (byte)(rawData.Length | 0xA0);
stream.WriteByte(sign);
}
else if (rawData.Length <= 255)
{
byte sign = 0xd9;
stream.WriteByte(sign);
byte lengthByte = (byte)rawData.Length;
stream.WriteByte(lengthByte);
}
else if (rawData.Length <= 65535)
{
byte sign = 0xda;
stream.WriteByte(sign);
ushort shortValue = (ushort)rawData.Length;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
stream.Write(lenBuffer, 0, 2);
}
else
{
byte sign = 0xdb;
stream.WriteByte(sign);
UInt32 uint32Value = (UInt32)rawData.Length;
byte[] lenBuffer = BitConverter.GetBytes(uint32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
stream.Write(lenBuffer, 0, 4);
}
stream.Write(rawData, 0, rawData.Length);
}
static public void PackBinary(Stream stream, Object obj)
{
byte[] binaryData = (byte[])obj;
if (binaryData.Length <= 255)
{
byte sign = 0xc4;
stream.WriteByte(sign);
byte lengthByte = (byte)binaryData.Length;
stream.WriteByte(lengthByte);
}
else if (binaryData.Length <= 65535)
{
byte sign = 0xc5;
stream.WriteByte(sign);
ushort shortValue = (ushort)binaryData.Length;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
stream.Write(lenBuffer, 0, 2);
}
else
{
byte sign = 0xc6;
stream.WriteByte(sign);
UInt32 uint32Value = (UInt32)binaryData.Length;
byte[] lenBuffer = BitConverter.GetBytes(uint32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
stream.Write(lenBuffer, 0, 4);
}
stream.Write(binaryData, 0, binaryData.Length);
}
static public void PackArray(Stream stream, Object obj)
{
IEnumerable ie = (IEnumerable)obj;
IEnumerator it = ie.GetEnumerator();
it.Reset();
int count = 0;
while (it.MoveNext())
{
count++;
}
if (count <= 15)
{
byte sign = (byte)(count | 0x90);
stream.WriteByte(sign);
}
else if (count <= 65535)
{
ushort shortValue = (ushort)count;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xdc;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 2);
}
else
{
UInt32 uint32Value = (UInt32)count;
byte[] lenBuffer = BitConverter.GetBytes(uint32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xdd;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 4);
}
it.Reset();
while (it.MoveNext())
{
Object o = it.Current;
Pack(stream, o);
}
}
static public void PackDictionary(Stream stream, Object obj)
{
IEnumerable ie = (IEnumerable)obj;
IEnumerator it = ie.GetEnumerator();
it.Reset();
int count = 0;
while (it.MoveNext())
{
count++;
}
if (count <= 15)
{
byte sign = (byte)(count | 0x80);
stream.WriteByte(sign);
}
else if (count <= 65535)
{
ushort shortValue = (ushort)count;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xde;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 2);
}
else
{
UInt32 uint32Value = (UInt32)count;
byte[] lenBuffer = BitConverter.GetBytes(uint32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xdf;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 4);
}
it.Reset();
IDictionaryEnumerator id = (IDictionaryEnumerator)it;
while (it.MoveNext())
{
Object k = id.Key;
Pack(stream, k);
Object v = id.Value;
Pack(stream, v);
}
}
static public void PackTimestamp(Stream stream, Object obj)
{
DateTime userDate = (DateTime)obj;
DateTime utcUserDate = userDate.ToUniversalTime();
DateTime origin = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
TimeSpan diff = utcUserDate - origin;
Int64 seconds = (Int64)Math.Floor(diff.TotalSeconds);
Int64 milliseconds = (Int64)Math.Floor(diff.TotalMilliseconds);
Int64 nonaseconds = (milliseconds - seconds * 1000) * 1000 * 1000;
if (nonaseconds == 0 && ((UInt64)seconds >> 32) == 0)
{
UInt32 secondsValue = (UInt32)seconds;
byte[] lenBuffer = BitConverter.GetBytes(secondsValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xd6;
stream.WriteByte(sign);
sbyte type = -1;
stream.WriteByte((byte)type);
stream.Write(lenBuffer, 0, 4);
}
else if (((UInt64)seconds >> 34) == 0)
{
UInt64 rawData = ((UInt64)nonaseconds << 34) | (UInt64)seconds;
byte[] byteArray = BitConverter.GetBytes(rawData);
if (BitConverter.IsLittleEndian)
Array.Reverse(byteArray);
byte sign = 0xd7;
stream.WriteByte(sign);
sbyte type = -1;
stream.WriteByte((byte)type);
stream.Write(byteArray, 0, 8);
}
else
{
UInt32 nanos = (UInt32)nonaseconds;
byte[] secondsBytes = BitConverter.GetBytes(seconds);
byte[] nanosBytes = BitConverter.GetBytes(nanos);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(secondsBytes);
Array.Reverse(nanosBytes);
}
byte sign = 0xc7;
stream.WriteByte(sign);
sign = 12;
stream.WriteByte(sign);
sbyte type = -1;
stream.WriteByte((byte)type);
stream.Write(nanosBytes, 0, 4);
stream.Write(secondsBytes, 0, 8);
}
}
static public void PackTuple(Stream stream, Object obj)
{
Type objType = obj.GetType();
var props = objType.GetProperties();
int count = props.Length;
if (count <= 15)
{
byte sign = (byte)(count | 0x90);
stream.WriteByte(sign);
}
else if (count <= 65535)
{
ushort shortValue = (ushort)count;
byte[] lenBuffer = BitConverter.GetBytes(shortValue);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xdc;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 2);
}
else
{
UInt32 uint32Value = (UInt32)count;
byte[] lenBuffer = BitConverter.GetBytes(uint32Value);
if (BitConverter.IsLittleEndian)
Array.Reverse(lenBuffer);
byte sign = 0xdd;
stream.WriteByte(sign);
stream.Write(lenBuffer, 0, 4);
}
foreach (System.Reflection.PropertyInfo prop in props)
{
Object subObj = prop.GetValue(obj, null);
Pack(stream, obj);
}
}
static public void PackIEnumerable(Stream stream, Object obj)
{
IEnumerable ie = (IEnumerable)obj;
IEnumerator it = ie.GetEnumerator();
it.Reset();
if (it is IDictionaryEnumerator)
PackDictionary(stream, obj);
else
PackArray(stream, obj);
}
}
}