DarkflameServer/dNet/BitstreamUtils.h

128 lines
3.2 KiB
C++

#ifndef __BITSTREAMUTILS__H__
#define __BITSTREAMUTILS__H__
#include "GeneralUtils.h"
#include <MessageIdentifiers.h>
#include <BitStream.h>
#include <string>
enum class eConnectionType : uint16_t;
struct LUString {
std::string string;
uint32_t size;
LUString(uint32_t size) {
this->size = size;
};
LUString(std::string string, uint32_t size = 33) {
this->string = string;
this->size = size;
};
std::u16string GetAsU16String() const {
return GeneralUtils::ASCIIToUTF16(this->string);
};
};
struct LUWString {
std::u16string string;
uint32_t size;
LUWString(uint32_t size) {
this->size = size;
};
LUWString(std::u16string string, uint32_t size = 33) {
this->string = string;
this->size = size;
};
LUWString(std::string string, uint32_t size = 33) {
this->string = GeneralUtils::ASCIIToUTF16(string);
this->size = size;
};
std::string GetAsString() const {
return GeneralUtils::UTF16ToWTF8(this->string);
};
};
namespace BitstreamUtils {
template<typename T>
void WriteHeader(RakNet::BitStream& bitStream, eConnectionType connectionType, T internalPacketID) {
bitStream.Write<uint8_t>(MessageID(ID_USER_PACKET_ENUM));
bitStream.Write<eConnectionType>(connectionType);
bitStream.Write<uint32_t>(static_cast<uint32_t>(internalPacketID));
bitStream.Write<uint8_t>(0);
}
}
namespace RakNet {
template <>
inline bool RakNet::BitStream::Read<LUString>(LUString& value) {
bool noMoreLetters = false;
char character;
for (uint32_t j = 0; j < value.size; j++) {
if (!Read(character)) return false;
if (character == '\0') noMoreLetters = true;
if (!noMoreLetters) value.string.push_back(character);
}
return true;
}
template <>
inline bool RakNet::BitStream::Read<LUWString>(LUWString& value) {
bool noMoreLetters = false;
char16_t character;
for (uint32_t j = 0; j < value.size; j++) {
if (!Read(character)) return false;
if (character == '\0') noMoreLetters = true;
if (!noMoreLetters) value.string.push_back(character);
}
return true;
}
template <>
inline void RakNet::BitStream::Write<LUString>(LUString value) {
uint32_t size = value.string.size();
uint32_t emptySize = value.size - size;
if (size > value.size) size = value.size;
for (uint32_t i = 0; i < size; i++) {
this->Write(static_cast<char>(value.string[i]));
}
for (uint32_t i = 0; i < emptySize; i++) {
this->Write(static_cast<char>(0));
}
}
template <>
inline void RakNet::BitStream::Write<LUWString>(LUWString value) {
uint32_t size = static_cast<uint32_t>(value.string.length());
uint32_t remSize = static_cast<uint32_t>(value.size - size);
if (size > value.size) size = value.size;
for (uint32_t i = 0; i < size; ++i) {
this->Write(static_cast<uint16_t>(value.string[i]));
}
for (uint32_t j = 0; j < remSize; ++j) {
this->Write(static_cast<uint16_t>(0));
}
}
template <>
inline void RakNet::BitStream::Write<std::string>(std::string value) {
this->WriteBits(reinterpret_cast<const unsigned char*>(value.data()), BYTES_TO_BITS(value.size()));
}
template <>
inline void RakNet::BitStream::Write<std::u16string>(std::u16string value) {
this->WriteBits(reinterpret_cast<const unsigned char*>(value.data()), BYTES_TO_BITS(value.size()) * 2);
}
};
#endif //!__BITSTREAMUTILS__H__