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-rw-r--r--code/Field.cpp307
1 files changed, 307 insertions, 0 deletions
diff --git a/code/Field.cpp b/code/Field.cpp
new file mode 100644
index 0000000..c95c32d
--- /dev/null
+++ b/code/Field.cpp
@@ -0,0 +1,307 @@
+#include <cmath>
+#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];
+ std::copy(other.m_data,other.m_data+m_dataLength,m_data);
+}
+
+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)
+ std::copy(m_data,m_data+m_dataLength,ptr);
+}
+
+void Field::SetRaw(byte *ptr, size_t len, FieldType type) {
+ Clear();
+ m_dataLength = len;
+ m_type = type;
+ m_data = new byte[m_dataLength];
+ std::copy(ptr,ptr+m_dataLength,m_data);
+}
+
+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<int *>(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<int *>(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<unsigned short *>(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<unsigned short *>(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();
+ std::copy(value.begin(),value.end(),p);
+}
+
+long long Field::GetLong() {
+ long long t = *reinterpret_cast<long long *>(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<long long *>(m_data);
+ *p = value;
+ endswap(p);
+}
+
+FieldType Field::GetType() {
+ return m_type;
+}
+
+byte Field::GetUByte() {
+ byte t = *reinterpret_cast<byte *>(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<byte *>(m_data);
+ *p = value;
+}
+
+sbyte Field::GetByte() {
+ sbyte t = *reinterpret_cast<sbyte *>(m_data);
+ endswap(&t);
+ return t;
+}
+
+void Field::SetByte(sbyte value) {
+ Clear();
+ m_type = Byte8_t;
+ endswap(&value);
+ m_dataLength = 1;
+ m_data = new byte[m_dataLength];
+ sbyte *p = reinterpret_cast<sbyte *>(m_data);
+ *p = value;
+}
+
+float Field::GetFloat() {
+ float t = *reinterpret_cast<float *>(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<float *>(m_data);
+ *p = value;
+}
+
+PositionI Field::GetPosition() {
+ unsigned long long t = *reinterpret_cast<unsigned long long *>(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<unsigned long long *>(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<double *>(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<double *>(m_data);
+ *p = value;
+}
+
+size_t Field::GetFieldLength(FieldType type) {
+ switch (type) {
+ case Unknown:
+ return 0;
+ case Boolean:
+ return 1;
+ case Byte8_t:
+ 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> Field::GetArray() {
+ /*std::vector<Field> vec;
+ if (m_type<20){
+ size_t fieldLen=GetFieldLength(m_type);
+ byte* ptr = m_data;
+ for (int i=0;i<m_dataLength/fieldLen;i++){
+ Field f;
+ f.SetRaw(ptr,fieldLen,m_type);
+ vec.push_back(f);
+ ptr+=fieldLen;
+ }
+ return vec;
+ }*/
+ return m_childs;
+}
+
+void Field::Attach(Field field) {
+ m_childs.push_back(field);
+}