From 2ee0f834487cfe4b6bd9424ca2715685a8db16e4 Mon Sep 17 00:00:00 2001 From: LaG1924 <12997935+LaG1924@users.noreply.github.com> Date: Sat, 15 Apr 2017 15:17:53 +0500 Subject: 2017-04-15 --- Field.cpp | 307 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 307 insertions(+) create mode 100644 Field.cpp (limited to 'Field.cpp') diff --git a/Field.cpp b/Field.cpp new file mode 100644 index 0000000..d061bcc --- /dev/null +++ b/Field.cpp @@ -0,0 +1,307 @@ +#include +#include "Field.hpp" + +Field::Field() { +} + +Field::Field(const Field &other) : m_dataLength(other.m_dataLength), m_type(other.m_type) { + + m_data = new byte[m_dataLength]; + memcpy(m_data, other.m_data, m_dataLength); +} + +void Field::swap(Field &other) { + std::swap(other.m_dataLength, m_dataLength); + std::swap(other.m_data, m_data); + std::swap(other.m_type, m_type); +} + +Field &Field::operator=(Field other) { + other.swap(*this); + return *this; +} + +Field::~Field() { + Clear(); +} + +size_t Field::GetLength() { + if (m_data != nullptr && m_dataLength == 0) + throw 102; + return m_dataLength; +} + +void Field::Clear() { + m_dataLength = 0; + delete[] m_data; + m_data = nullptr; +} + +void Field::CopyToBuff(byte *ptr) { + if (m_dataLength > 0) + memcpy(ptr, m_data, m_dataLength); +} + +void Field::SetRaw(byte *ptr, size_t len, FieldType type) { + Clear(); + m_dataLength = len; + m_type = type; + m_data = new byte[m_dataLength]; + memcpy(m_data, ptr, m_dataLength); +} + +int Field::GetVarInt() { + + size_t readed; + return VarIntRead(m_data, readed); + +} + +void Field::SetVarInt(int value) { + Clear(); + m_type = VarInt; + m_data = new byte[5]; + m_dataLength = VarIntWrite(value, m_data); +} + +int Field::GetInt() { + int value = *(reinterpret_cast(m_data)); + endswap(&value); + return value; +} + +void Field::SetInt(int value) { + Clear(); + m_type = Int; + m_data = new byte[4]; + m_dataLength = 4; + int *p = reinterpret_cast(m_data); + *p = value; + endswap(p); +} + +bool Field::GetBool() { + return *m_data != 0x00; +} + +void Field::SetBool(bool value) { + Clear(); + m_type = Boolean; + m_data = new byte[1]; + m_dataLength = 1; + *m_data = value ? 0x01 : 0x00; +} + +unsigned short Field::GetUShort() { + unsigned short *p = reinterpret_cast(m_data); + unsigned short t = *p; + endswap(&t); + return t; +} + +void Field::SetUShort(unsigned short value) { + Clear(); + m_type = UnsignedShort; + m_dataLength = 2; + m_data = new byte[2]; + unsigned short *p = reinterpret_cast(m_data); + *p = value; + endswap(p); +} + +std::string Field::GetString() { + Field fLen; + byte *ptr = m_data; + size_t l; + int val = VarIntRead(ptr, l); + ptr += l; + std::string s((char *) ptr, val); + return s; +} + +void Field::SetString(std::string value) { + Clear(); + m_type = String; + Field fLen; + fLen.SetVarInt(value.size()); + m_dataLength = value.size() + fLen.GetLength(); + m_data = new byte[m_dataLength]; + byte *p = m_data; + fLen.CopyToBuff(p); + p += fLen.GetLength(); + memcpy(p, value.c_str(), value.size()); +} + +long long Field::GetLong() { + long long t = *reinterpret_cast(m_data); + endswap(&t); + return t; +} + +void Field::SetLong(long long value) { + Clear(); + m_type = Long; + m_dataLength = 8; + m_data = new byte[m_dataLength]; + long long *p = reinterpret_cast(m_data); + *p = value; + endswap(p); +} + +FieldType Field::GetType() { + return m_type; +} + +byte Field::GetUByte() { + byte t = *reinterpret_cast(m_data); + endswap(&t); + return t; +} + +void Field::SetUByte(byte value) { + Clear(); + m_type = UnsignedByte; + endswap(&value); + m_dataLength = 1; + m_data = new byte[m_dataLength]; + byte *p = reinterpret_cast(m_data); + *p = value; +} + +sbyte Field::GetByte() { + sbyte t = *reinterpret_cast(m_data); + endswap(&t); + return t; +} + +void Field::SetByte(sbyte value) { + Clear(); + m_type = Byte; + endswap(&value); + m_dataLength = 1; + m_data = new byte[m_dataLength]; + sbyte *p = reinterpret_cast(m_data); + *p = value; +} + +float Field::GetFloat() { + float t = *reinterpret_cast(m_data); + endswap(&t); + return t; +} + +void Field::SetFloat(float value) { + Clear(); + m_type = Float; + endswap(&value); + m_dataLength = 4; + m_data = new byte[m_dataLength]; + float *p = reinterpret_cast(m_data); + *p = value; +} + +PositionI Field::GetPosition() { + unsigned long long t = *reinterpret_cast(m_data); + endswap(&t); + int x = t >> 38; + int y = (t >> 26) & 0xFFF; + int z = t << 38 >> 38; + if (x >= pow(2, 25)) { + x -= pow(2, 26); + } + if (y >= pow(2, 11)) { + y -= pow(2, 12); + } + if (z >= pow(2, 25)) { + z -= pow(2, 26); + } + PositionI val; + val.SetX(x); + val.setZ(z); + val.SetY(y); + return val; +} + +void Field::SetPosition(PositionI value) { + Clear(); + m_type = Position; + m_dataLength = 8; + m_data = new byte[m_dataLength]; + unsigned long long *t = reinterpret_cast(m_data); + unsigned long long x = ((unsigned long long) value.GetX()) << 38; + unsigned long long y = ((unsigned long long) value.GetY()) << 26; + unsigned long long z = value.GetZ(); + endswap(&x); + endswap(&z); + endswap(&y); + *t = x | y | z; +} + +double Field::GetDouble() { + double t = *reinterpret_cast(m_data); + endswap(&t); + return t; +} + +void Field::SetDouble(double value) { + Clear(); + m_type = Double; + endswap(&value); + m_dataLength = 8; + m_data = new byte[m_dataLength]; + double *p = reinterpret_cast(m_data); + *p = value; +} + +size_t Field::GetFieldLength(FieldType type) { + switch (type) { + case Unknown: + return 0; + case Boolean: + return 1; + case Byte: + return 1; + case UnsignedByte: + return 1; + case Short: + return 2; + case UnsignedShort: + return 2; + case Int: + return 4; + case Long: + return 8; + case Float: + return 4; + case Double: + return 8; + case Position: + return 8; + case Angle: + return 4; + case Uuid: + return 16; + default: + return 0; + } +} + +std::vector Field::GetArray() { + /*std::vector vec; + if (m_type<20){ + size_t fieldLen=GetFieldLength(m_type); + byte* ptr = m_data; + for (int i=0;i