public bool DecodePacket <T>(uint id, out T packet, byte[] buffer)
{
var binary = new OseanBinary(buffer);
try {
packet = Activator.CreateInstance <T>();
var fields = this._packets[id].Fields;
for (var i = 0; i < fields.Count; ++i)
{
var field = fields[i];
var fieldType = fields[i].DataType;
var nextFieldType = i + 1 < fields.Count
? fields[i + 1].DataType
: OseanDataType.None;
field.Field.SetValue(packet, this.ReadValue(binary, fieldType, nextFieldType));
if (fieldType == OseanDataType.Array)
{
++i;
}
}
}
catch {
packet = default(T);
return(false);
}
return(true);
}
private object ReadValue(OseanBinary binary, OseanDataType type, OseanDataType arrayType)
{
return(type switch {
OseanDataType.I8 => binary.ReadI8(),
OseanDataType.I16 => binary.ReadI16(),
OseanDataType.I32 => binary.ReadI32(),
OseanDataType.I64 => binary.ReadI64(),
OseanDataType.U8 => binary.ReadU8(),
OseanDataType.U16 => binary.ReadU16(),
OseanDataType.U32 => binary.ReadU32(),
OseanDataType.U64 => binary.ReadU64(),
OseanDataType.R32 => binary.ReadR32(),
OseanDataType.R64 => binary.ReadR64(),
OseanDataType.Boolean => binary.ReadU8() != 0,
OseanDataType.String => binary.ReadString(),
OseanDataType.WString => binary.ReadWString(),
OseanDataType.Array => ((Func <Array>)(() => {
var array = Array.CreateInstance(this.TypeFromDataType(arrayType), binary.ReadI32());
for (var i = 0; i < array.Length; ++i)
{
array.SetValue(this.ReadValue(binary, arrayType, OseanDataType.None), i);
}
return array;
}))(),
_ => throw new InvalidOperationException("cannot read invalid type code!")
});
public bool EncodePacket <T>(uint id, T packet, out byte[] buffer)
{
buffer = null;
if (!this._packets.ContainsKey(id))
{
return(false);
}
var binary = new OseanBinary();
try {
var fields = this._packets[id].Fields;
for (var i = 0; i < fields.Count; ++i)
{
var field = fields[i];
var fieldType = fields[i].DataType;
var nextFieldType = i + 1 < fields.Count
? fields[i + 1].DataType
: OseanDataType.None;
this.WriteValue(binary, fieldType, nextFieldType, field.Field.GetValue(packet));
if (fieldType == OseanDataType.Array)
{
++i;
}
}
}
catch {
return(false);
}
buffer = binary.Buffer();
return(true);
}
