GL - Added Parsing functions for levelLoader and moved Packing classes to misc

This commit is contained in:
Sam Mario Svensson 2014-01-27 10:15:39 +01:00
parent 3c1d66e3f8
commit 1748fe323a
15 changed files with 551 additions and 604 deletions

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@ -189,6 +189,7 @@
<ClInclude Include="Object.h" /> <ClInclude Include="Object.h" />
<ClInclude Include="ObjectDefines.h" /> <ClInclude Include="ObjectDefines.h" />
<ClInclude Include="LevelParser.h" /> <ClInclude Include="LevelParser.h" />
<ClInclude Include="ParserFunctions.h" />
<ClInclude Include="Player.h" /> <ClInclude Include="Player.h" />
<ClInclude Include="StaticObject.h" /> <ClInclude Include="StaticObject.h" />
<ClInclude Include="Team.h" /> <ClInclude Include="Team.h" />
@ -210,6 +211,7 @@
<ClCompile Include="Loader.cpp" /> <ClCompile Include="Loader.cpp" />
<ClCompile Include="LevelParser.cpp" /> <ClCompile Include="LevelParser.cpp" />
<ClCompile Include="Object.cpp" /> <ClCompile Include="Object.cpp" />
<ClCompile Include="ParseFunctions.cpp" />
<ClCompile Include="Player.cpp" /> <ClCompile Include="Player.cpp" />
<ClCompile Include="StaticObject.cpp" /> <ClCompile Include="StaticObject.cpp" />
<ClCompile Include="Team.cpp" /> <ClCompile Include="Team.cpp" />

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@ -8,11 +8,12 @@ using namespace GameLogic::LevelFileLoader;
using namespace Oyster::Resource; using namespace Oyster::Resource;
using namespace std; using namespace std;
char* Loader::LoadFile(std::string fileName) unsigned char* Loader::LoadFile(std::string fileName, int &size)
{ {
//convert from string to wstring //convert from string to wstring
std::wstring temp(fileName.begin(), fileName.end()); std::wstring temp(fileName.begin(), fileName.end());
size = temp.size();
//convert from wstring to wchar then loads the file //convert from wstring to wchar then loads the file
return (char*)OysterResource::LoadResource(temp.c_str(), Oyster::Resource::ResourceType::ResourceType_Byte_Raw, -1 , false); return (unsigned char*)OysterResource::LoadResource(temp.c_str(), Oyster::Resource::ResourceType::ResourceType_Byte_Raw, -1 , false);
} }

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@ -15,9 +15,9 @@ namespace GameLogic
class Loader class Loader
{ {
public: public:
Loader(){}; Loader (){};
~Loader(){}; ~Loader(){};
char* LoadFile(std::string fileName); unsigned char* LoadFile(std::string fileName, int &size);
//TODO: //TODO:
//Add functionality to load physicsObjects (hitboxes) //Add functionality to load physicsObjects (hitboxes)

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@ -24,9 +24,9 @@ namespace GameLogic
struct ObjectHeader : public ObjectTypeHeader struct ObjectHeader : public ObjectTypeHeader
{ {
//Model, //Model,
int ModelID;
//Texture //Texture
int TextureID;
//Position //Position
float position[3]; float position[3];
//Rotation //Rotation

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@ -0,0 +1,83 @@
//////////////////////////////////
// Created by Sam Svensson 2013 //
//////////////////////////////////
#include "ParserFunctions.h"
#include "../../Misc/Packing/Packing.h"
#include <string>
using namespace Oyster::Packing;
using namespace GameLogic;
using namespace std;
ObjectTypeHeader parseObjectTypeHeader(unsigned char* buffer)
{
int i = Unpacki(buffer);
struct ObjectTypeHeader header;
header.typeID = (ObjectType)i;
return header;
}
ObjectHeader parseObjectHeader (unsigned char* buffer)
{
struct ObjectHeader header;
int x, y,z;
string s;
int start = 0;
//ModelID
x = Unpacki(buffer);
header.ModelID = (ObjectType)x;
//TextureID
start += 4;
x = Unpacki(&buffer[start]);
header.TextureID = x;
//Position
start += 4;
x = Unpacki(&buffer[start]);
start += 4;
y = Unpacki(&buffer[start]);
start += 4;
z = Unpacki(&buffer[start]);
header.position[0] = x;
header.position[1] = y;
header.position[2] = z;
//Rotation
start += 4;
x = Unpacki(&buffer[start]);
start += 4;
y = Unpacki(&buffer[start]);
start += 4;
z = Unpacki(&buffer[start]);
header.rotation[0] = x;
header.rotation[1] = y;
header.rotation[2] = z;
//Scale
start += 4;
x = Unpacki(&buffer[start]);
start += 4;
y = Unpacki(&buffer[start]);
start += 4;
z = Unpacki(&buffer[start]);
header.scale[0] = x;
header.scale[1] = y;
header.scale[2] = z;
return header;
}

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@ -0,0 +1,22 @@
//////////////////////////////////
// Created by Sam Svensson 2013 //
//////////////////////////////////
#ifndef PARSERFUNCTIONS_H
#define PARSERFUNCTIONS_H
#include "ObjectDefines.h"
namespace GameLogic
{
namespace LevelFileLoader
{
namespace parseFunctions
{
ObjectTypeHeader parseObjectTypeHeader(unsigned char* buffer); //send in a char buffer, this function will seperate it and then return the right struct with the values.
ObjectHeader parseObjectHeader (unsigned char* buffer); //send in a char buffer, this function will seperate it and then return the right struct with the values.
}
}
}
#endif

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@ -146,6 +146,7 @@
</Link> </Link>
</ItemDefinitionGroup> </ItemDefinitionGroup>
<ItemGroup> <ItemGroup>
<ClCompile Include="Packing\Packing.cpp" />
<ClCompile Include="Resource\Loaders\ByteLoader.cpp" /> <ClCompile Include="Resource\Loaders\ByteLoader.cpp" />
<ClCompile Include="Resource\Loaders\CustomLoader.cpp" /> <ClCompile Include="Resource\Loaders\CustomLoader.cpp" />
<ClCompile Include="Resource\OResourceHandler.cpp" /> <ClCompile Include="Resource\OResourceHandler.cpp" />
@ -164,6 +165,7 @@
<ClInclude Include="GID.h" /> <ClInclude Include="GID.h" />
<ClInclude Include="IQueue.h" /> <ClInclude Include="IQueue.h" />
<ClInclude Include="OysterCallback.h" /> <ClInclude Include="OysterCallback.h" />
<ClInclude Include="Packing\Packing.h" />
<ClInclude Include="PostBox\IPostBox.h" /> <ClInclude Include="PostBox\IPostBox.h" />
<ClInclude Include="PostBox\PostBox.h" /> <ClInclude Include="PostBox\PostBox.h" />
<ClInclude Include="Queue.h" /> <ClInclude Include="Queue.h" />

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@ -48,6 +48,9 @@
<ClCompile Include="Resource\ResourceManager.cpp"> <ClCompile Include="Resource\ResourceManager.cpp">
<Filter>Source Files</Filter> <Filter>Source Files</Filter>
</ClCompile> </ClCompile>
<ClCompile Include="Packing\Packing.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClInclude Include="Utilities.h"> <ClInclude Include="Utilities.h">
@ -110,5 +113,8 @@
<ClInclude Include="Resource\ResourceManager.h"> <ClInclude Include="Resource\ResourceManager.h">
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="Packing\Packing.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup> </ItemGroup>
</Project> </Project>

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@ -0,0 +1,346 @@
#include "Packing.h"
/***************************
Packing
***************************/
#include <stdint.h>
namespace Oyster
{
namespace Packing
{
//bool (1-bit)
void Pack(unsigned char buffer[], bool i)
{
*buffer++ = i;
}
//char (8-bit)
void Pack(unsigned char buffer[], char i)
{
*buffer++ = i;
}
void Pack(unsigned char buffer[], unsigned char i)
{
*buffer++ = i;
}
//short (16-bit)
void Pack(unsigned char buffer[], short i)
{
*buffer++ = i >> 8;
*buffer++ = (char)i;
}
void Pack(unsigned char buffer[], unsigned short i)
{
*buffer++ = i >> 8;
*buffer++ = (char)i;
}
//int (32-bit)
void Pack(unsigned char buffer[], int i)
{
*buffer++ = i >> 24;
*buffer++ = i >> 16;
*buffer++ = i >> 8;
*buffer++ = i;
}
void Pack(unsigned char buffer[], unsigned int i)
{
*buffer++ = i >> 24;
*buffer++ = i >> 16;
*buffer++ = i >> 8;
*buffer++ = i;
}
//__int64 (64-bit)
void Pack(unsigned char buffer[], __int64 i)
{
*buffer++ = (char)(i >> 56);
*buffer++ = (char)(i >> 48);
*buffer++ = (char)(i >> 40);
*buffer++ = (char)(i >> 32);
*buffer++ = (char)(i >> 24);
*buffer++ = (char)(i >> 16);
*buffer++ = (char)(i >> 8);
*buffer++ = (char)i;
}
void Pack(unsigned char buffer[], unsigned __int64 i)
{
*buffer++ = (char)(i >> 56);
*buffer++ = (char)(i >> 48);
*buffer++ = (char)(i >> 40);
*buffer++ = (char)(i >> 32);
*buffer++ = (char)(i >> 24);
*buffer++ = (char)(i >> 16);
*buffer++ = (char)(i >> 8);
*buffer++ = (char)i;
}
//floating point (32, 64-bit)
void Pack(unsigned char buffer[], float i)
{
int tempFloat = (int)Pack754(i, 32, 8);
Pack(buffer, tempFloat);
}
void Pack(unsigned char buffer[], double i)
{
__int64 tempDouble = Pack754(i, 64, 11);
Pack(buffer, tempDouble);
}
//string
void Pack(unsigned char buffer[], char str[])
{
short len = (short)strlen(str);
Pack(buffer, len);
buffer += 2;
memcpy(buffer, str, len);
}
void Pack(unsigned char buffer[], std::string& str)
{
short len = (short)str.length();
Pack(buffer, len);
buffer += 2;
memcpy(buffer, str.c_str(), len);
}
unsigned __int64 Pack754(long double f, unsigned bits, unsigned expbits)
{
long double fnorm;
int shift;
long long sign, exp, significand;
unsigned significandbits = bits - expbits - 1; // -1 for sign bit
if (f == 0.0)
return 0; // get this special case out of the way
// check sign and begin normalization
if (f < 0)
{
sign = 1;
fnorm = -f;
}
else
{
sign = 0;
fnorm = f;
}
// get the normalized form of f and track the exponent
shift = 0;
while(fnorm >= 2.0)
{
fnorm /= 2.0;
shift++;
}
while(fnorm < 1.0)
{
fnorm *= 2.0;
shift--;
}
fnorm = fnorm - 1.0;
// calculate the binary form (non-float) of the significand data
significand = (long long)(fnorm * ((1LL << significandbits) + 0.5f));
// get the biased exponent
exp = shift + ((1 << (expbits - 1)) - 1); // shift + bias
// return the final answer
return (sign << (bits - 1)) | (exp << (bits - expbits - 1)) | significand;
}
/******************************
Unpacking
******************************/
//bool (1-bit)
bool Unpackb(unsigned char buffer[])
{
return *buffer;
}
//char (8-bit)
char Unpackc(unsigned char buffer[])
{
if(*buffer <= 0x7f)
{
return *buffer;
}
else
{
return (-1 - (unsigned char)(0xffu - *buffer));
}
}
unsigned char UnpackC(unsigned char buffer[])
{
return *buffer;
}
//short (16-bit)
short Unpacks(unsigned char buffer[])
{
short i = ((short)buffer[0] << 8) | buffer[1];
if(i > 0x7fffu)
{
i = -1 - (unsigned short)(0xffffu - i);
}
return i;
}
unsigned short UnpackS(unsigned char buffer[])
{
return ((unsigned int)buffer[0] << 8) | buffer[1];
}
//int (32-bit)
int Unpacki(unsigned char buffer[])
{
int i = ((int)buffer[0] << 24) |
((int)buffer[1] << 16) |
((int)buffer[2] << 8) |
((int)buffer[3]);
if(i > 0x7fffffffu)
{
i = -1 - (int)(0xffffffffu - i);
}
return i;
}
unsigned int UnpackI(unsigned char buffer[])
{
return ((unsigned int)buffer[0] << 24) |
((unsigned int)buffer[1] << 16) |
((unsigned int)buffer[2] << 8) |
((unsigned int)buffer[3]);
}
//__int64 (64-bit)
__int64 Unpacki64(unsigned char buffer[])
{
__int64 i = ((__int64)buffer[0] << 56) |
((__int64)buffer[1] << 48) |
((__int64)buffer[2] << 40) |
((__int64)buffer[3] << 32) |
((__int64)buffer[4] << 24) |
((__int64)buffer[5] << 16) |
((__int64)buffer[6] << 8) |
(buffer[7]);
if(i > 0x7fffffffffffffffu)
{
i = -1 - (__int64)(0xffffffffffffffffu - i);
}
return i;
}
unsigned __int64 UnpackI64(unsigned char buffer[])
{
return ((__int64)buffer[0] << 56) |
((__int64)buffer[1] << 48) |
((__int64)buffer[2] << 40) |
((__int64)buffer[3] << 32) |
((__int64)buffer[4] << 24) |
((__int64)buffer[5] << 16) |
((__int64)buffer[6] << 8) |
((__int64)buffer[7]);
}
//floating point (32, 64-bit)
float Unpackf(unsigned char buffer[])
{
int tempFloat = Unpacki(buffer);
return (float)Unpack754(tempFloat, 32, 8);
}
double Unpackd(unsigned char buffer[])
{
__int64 tempDouble = Unpacki64(buffer);
return Unpack754(tempDouble, 64, 11);
}
//string
char* UnpackCStr(unsigned char buffer[])
{
short len = UnpackS(buffer);
char* str = new char[len+1];
buffer += 2;
for(int i = 0; i < len; i++)
{
str[i] = buffer[i];
}
str[len] = '\0';
return str;
}
std::string UnpackStr(unsigned char buffer[])
{
short len = UnpackS(buffer);
std::string temp;
temp.resize(len);
buffer += 2;
for(int i = 0; i < len; i++)
{
temp[i] = buffer[i];
}
return temp;
}
long double Unpack754(unsigned __int64 i, unsigned bits, unsigned expbits)
{
long double result;
long long shift;
unsigned bias;
unsigned significandbits = bits - expbits - 1; // -1 for sign bit
if (i == 0)
return 0.0;
// pull the significand
result = (long double)(i&((1LL << significandbits) - 1)); // mask
result /= (1LL << significandbits); // convert back to float
result += 1.0f; // add the one back on
// deal with the exponent
bias = (1 << (expbits - 1)) - 1;
shift = ((i >> significandbits) & ((1LL << expbits) - 1)) - bias;
while(shift > 0)
{
result *= 2.0;
shift--;
}
while(shift < 0)
{
result /= 2.0;
shift++;
}
// sign it
result *= (i >> (bits - 1)) & 1 ? -1.0 : 1.0;
return result;
}
}
}

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@ -0,0 +1,81 @@
#ifndef PACKING_H
#define PACKING_H
/////////////////////////////////////
// Created by Pontus Fransson 2013 //
/////////////////////////////////////
#include <string>
/******************************
Packing
******************************/
namespace Oyster
{
namespace Packing
{
//bool (1-bit)
void Pack(unsigned char buffer[], bool i);
//char (8-bit)
void Pack(unsigned char buffer[], char i);
void Pack(unsigned char buffer[], unsigned char i); // unsigned
//short (16-bit)
void Pack(unsigned char buffer[], short i);
void Pack(unsigned char buffer[], unsigned short i); // unsigned
//int (32-bit)
void Pack(unsigned char buffer[], int i);
void Pack(unsigned char buffer[], unsigned int i); // unsigned
//__int64 (64-bit)
void Pack(unsigned char buffer[], __int64 i);
void Pack(unsigned char buffer[], unsigned __int64 i); // unsigned
//floating point (32, 64-bit)
void Pack(unsigned char buffer[], float i);
void Pack(unsigned char buffer[], double i);
//string
void Pack(unsigned char buffer[], char str[]);
void Pack(unsigned char buffer[], std::string& str);
unsigned __int64 Pack754(long double f, unsigned bits, unsigned expbits);
/******************************
Unpacking
******************************/
//bool (1-bit)
bool Unpackb(unsigned char buffer[]);
//char (8-bit)
char Unpackc(unsigned char buffer[]);
unsigned char UnpackC(unsigned char buffer[]); // unsigned
//short (16-bit)
short Unpacks(unsigned char buffer[]);
unsigned short UnpackS(unsigned char buffer[]); // unsigned
//int (32-bit)
int Unpacki(unsigned char buffer[]);
unsigned int UnpackI(unsigned char buffer[]); // unsigned
//__int64 (64-bit)
__int64 Unpacki64(unsigned char buffer[]);
unsigned __int64 UnpackI64(unsigned char buffer[]); // unsigned
//floating point (32, 64-bit)
float Unpackf(unsigned char buffer[]);
double Unpackd(unsigned char buffer[]);
//string
char* UnpackCStr(unsigned char buffer[]);
std::string UnpackStr(unsigned char buffer[]);
long double Unpack754(unsigned __int64 i, unsigned bits, unsigned expbits);
}
}
#endif

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@ -1,8 +1,9 @@
#include "MessageHeader.h" #include "MessageHeader.h"
#include "../Packing.h" #include "../../../Misc/Packing/Packing.h"
#include <iostream> #include <iostream>
using namespace std; using namespace std;
using namespace Oyster::Packing;
using namespace Oyster::Network; using namespace Oyster::Network;
using namespace Oyster::Network::Messages; using namespace Oyster::Network::Messages;
using namespace Oyster::Network::Protocols; using namespace Oyster::Network::Protocols;

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@ -157,7 +157,6 @@
<ClCompile Include="Messages\MessagePlayerPos.cpp" /> <ClCompile Include="Messages\MessagePlayerPos.cpp" />
<ClCompile Include="Messages\MessageTest.cpp" /> <ClCompile Include="Messages\MessageTest.cpp" />
<ClCompile Include="OysterByte.cpp" /> <ClCompile Include="OysterByte.cpp" />
<ClCompile Include="Packing.cpp" />
<ClCompile Include="ThreadedClient.cpp" /> <ClCompile Include="ThreadedClient.cpp" />
<ClCompile Include="WinsockFunctions.cpp" /> <ClCompile Include="WinsockFunctions.cpp" />
</ItemGroup> </ItemGroup>
@ -172,7 +171,6 @@
<ClInclude Include="Messages\MessagesInclude.h" /> <ClInclude Include="Messages\MessagesInclude.h" />
<ClInclude Include="Messages\MessageTest.h" /> <ClInclude Include="Messages\MessageTest.h" />
<ClInclude Include="OysterByte.h" /> <ClInclude Include="OysterByte.h" />
<ClInclude Include="Packing.h" />
<ClInclude Include="ITranslate.h" /> <ClInclude Include="ITranslate.h" />
<ClInclude Include="PostBox.h" /> <ClInclude Include="PostBox.h" />
<ClInclude Include="Protocols.h" /> <ClInclude Include="Protocols.h" />

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@ -7,7 +7,6 @@
<ClCompile Include="Messages\MessagePlayerPos.cpp" /> <ClCompile Include="Messages\MessagePlayerPos.cpp" />
<ClCompile Include="Messages\MessageTest.cpp" /> <ClCompile Include="Messages\MessageTest.cpp" />
<ClCompile Include="OysterByte.cpp" /> <ClCompile Include="OysterByte.cpp" />
<ClCompile Include="Packing.cpp" />
<ClCompile Include="ThreadedClient.cpp" /> <ClCompile Include="ThreadedClient.cpp" />
<ClCompile Include="WinsockFunctions.cpp" /> <ClCompile Include="WinsockFunctions.cpp" />
</ItemGroup> </ItemGroup>
@ -22,7 +21,6 @@
<ClInclude Include="Messages\MessagesInclude.h" /> <ClInclude Include="Messages\MessagesInclude.h" />
<ClInclude Include="Messages\MessageTest.h" /> <ClInclude Include="Messages\MessageTest.h" />
<ClInclude Include="OysterByte.h" /> <ClInclude Include="OysterByte.h" />
<ClInclude Include="Packing.h" />
<ClInclude Include="ITranslate.h" /> <ClInclude Include="ITranslate.h" />
<ClInclude Include="PostBox.h" /> <ClInclude Include="PostBox.h" />
<ClInclude Include="Protocols.h" /> <ClInclude Include="Protocols.h" />

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@ -1,486 +0,0 @@
#include "Packing.h"
/***************************
Packing
***************************/
#include <stdint.h>
namespace Oyster
{
namespace Network
{
namespace Packing
{
//bool (1-bit)
void Pack(unsigned char buffer[], bool i)
{
*buffer++ = i;
}
//char (8-bit)
void Pack(unsigned char buffer[], char i)
{
*buffer++ = i;
}
void Pack(unsigned char buffer[], unsigned char i)
{
*buffer++ = i;
}
//short (16-bit)
void Pack(unsigned char buffer[], short i)
{
*buffer++ = i >> 8;
*buffer++ = (char)i;
}
void Pack(unsigned char buffer[], unsigned short i)
{
*buffer++ = i >> 8;
*buffer++ = (char)i;
}
//int (32-bit)
void Pack(unsigned char buffer[], int i)
{
*buffer++ = i >> 24;
*buffer++ = i >> 16;
*buffer++ = i >> 8;
*buffer++ = i;
}
void Pack(unsigned char buffer[], unsigned int i)
{
*buffer++ = i >> 24;
*buffer++ = i >> 16;
*buffer++ = i >> 8;
*buffer++ = i;
}
//__int64 (64-bit)
void Pack(unsigned char buffer[], __int64 i)
{
*buffer++ = (char)(i >> 56);
*buffer++ = (char)(i >> 48);
*buffer++ = (char)(i >> 40);
*buffer++ = (char)(i >> 32);
*buffer++ = (char)(i >> 24);
*buffer++ = (char)(i >> 16);
*buffer++ = (char)(i >> 8);
*buffer++ = (char)i;
}
void Pack(unsigned char buffer[], unsigned __int64 i)
{
*buffer++ = (char)(i >> 56);
*buffer++ = (char)(i >> 48);
*buffer++ = (char)(i >> 40);
*buffer++ = (char)(i >> 32);
*buffer++ = (char)(i >> 24);
*buffer++ = (char)(i >> 16);
*buffer++ = (char)(i >> 8);
*buffer++ = (char)i;
}
//floating point (32, 64-bit)
void Pack(unsigned char buffer[], float i)
{
int tempFloat = (int)Pack754(i, 32, 8);
Pack(buffer, tempFloat);
}
void Pack(unsigned char buffer[], double i)
{
__int64 tempDouble = Pack754(i, 64, 11);
Pack(buffer, tempDouble);
}
//string
void Pack(unsigned char buffer[], char str[])
{
short len = (short)strlen(str);
Pack(buffer, len);
buffer += 2;
memcpy(buffer, str, len);
}
void Pack(unsigned char buffer[], std::string& str)
{
short len = (short)str.length();
Pack(buffer, len);
buffer += 2;
memcpy(buffer, str.c_str(), len);
}
unsigned __int64 Pack754(long double f, unsigned bits, unsigned expbits)
{
long double fnorm;
int shift;
long long sign, exp, significand;
unsigned significandbits = bits - expbits - 1; // -1 for sign bit
if (f == 0.0)
return 0; // get this special case out of the way
// check sign and begin normalization
if (f < 0)
{
sign = 1;
fnorm = -f;
}
else
{
sign = 0;
fnorm = f;
}
// get the normalized form of f and track the exponent
shift = 0;
while(fnorm >= 2.0)
{
fnorm /= 2.0;
shift++;
}
while(fnorm < 1.0)
{
fnorm *= 2.0;
shift--;
}
fnorm = fnorm - 1.0;
// calculate the binary form (non-float) of the significand data
significand = (long long)(fnorm * ((1LL << significandbits) + 0.5f));
// get the biased exponent
exp = shift + ((1 << (expbits - 1)) - 1); // shift + bias
// return the final answer
return (sign << (bits - 1)) | (exp << (bits - expbits - 1)) | significand;
}
/******************************
Unpacking
******************************/
//bool (1-bit)
bool Unpackb(unsigned char buffer[])
{
return *buffer;
}
//char (8-bit)
char Unpackc(unsigned char buffer[])
{
if(*buffer <= 0x7f)
{
return *buffer;
}
else
{
return (-1 - (unsigned char)(0xffu - *buffer));
}
}
unsigned char UnpackC(unsigned char buffer[])
{
return *buffer;
}
//short (16-bit)
short Unpacks(unsigned char buffer[])
{
short i = ((short)buffer[0] << 8) | buffer[1];
if(i > 0x7fffu)
{
i = -1 - (unsigned short)(0xffffu - i);
}
return i;
}
unsigned short UnpackS(unsigned char buffer[])
{
return ((unsigned int)buffer[0] << 8) | buffer[1];
}
//int (32-bit)
int Unpacki(unsigned char buffer[])
{
int i = ((int)buffer[0] << 24) |
((int)buffer[1] << 16) |
((int)buffer[2] << 8) |
((int)buffer[3]);
if(i > 0x7fffffffu)
{
i = -1 - (int)(0xffffffffu - i);
}
return i;
}
unsigned int UnpackI(unsigned char buffer[])
{
return ((unsigned int)buffer[0] << 24) |
((unsigned int)buffer[1] << 16) |
((unsigned int)buffer[2] << 8) |
((unsigned int)buffer[3]);
}
//__int64 (64-bit)
__int64 Unpacki64(unsigned char buffer[])
{
__int64 i = ((__int64)buffer[0] << 56) |
((__int64)buffer[1] << 48) |
((__int64)buffer[2] << 40) |
((__int64)buffer[3] << 32) |
((__int64)buffer[4] << 24) |
((__int64)buffer[5] << 16) |
((__int64)buffer[6] << 8) |
(buffer[7]);
if(i > 0x7fffffffffffffffu)
{
i = -1 - (__int64)(0xffffffffffffffffu - i);
}
return i;
}
unsigned __int64 UnpackI64(unsigned char buffer[])
{
return ((__int64)buffer[0] << 56) |
((__int64)buffer[1] << 48) |
((__int64)buffer[2] << 40) |
((__int64)buffer[3] << 32) |
((__int64)buffer[4] << 24) |
((__int64)buffer[5] << 16) |
((__int64)buffer[6] << 8) |
((__int64)buffer[7]);
}
//floating point (32, 64-bit)
float Unpackf(unsigned char buffer[])
{
int tempFloat = Unpacki(buffer);
return (float)Unpack754(tempFloat, 32, 8);
}
double Unpackd(unsigned char buffer[])
{
__int64 tempDouble = Unpacki64(buffer);
return Unpack754(tempDouble, 64, 11);
}
//string
char* UnpackCStr(unsigned char buffer[])
{
short len = UnpackS(buffer);
char* str = new char[len+1];
buffer += 2;
for(int i = 0; i < len; i++)
{
str[i] = buffer[i];
}
str[len] = '\0';
return str;
}
std::string UnpackStr(unsigned char buffer[])
{
short len = UnpackS(buffer);
std::string temp;
temp.resize(len);
buffer += 2;
for(int i = 0; i < len; i++)
{
temp[i] = buffer[i];
}
return temp;
}
long double Unpack754(unsigned __int64 i, unsigned bits, unsigned expbits)
{
long double result;
long long shift;
unsigned bias;
unsigned significandbits = bits - expbits - 1; // -1 for sign bit
if (i == 0)
return 0.0;
// pull the significand
result = (long double)(i&((1LL << significandbits) - 1)); // mask
result /= (1LL << significandbits); // convert back to float
result += 1.0f; // add the one back on
// deal with the exponent
bias = (1 << (expbits - 1)) - 1;
shift = ((i >> significandbits) & ((1LL << expbits) - 1)) - bias;
while(shift > 0)
{
result *= 2.0;
shift--;
}
while(shift < 0)
{
result /= 2.0;
shift++;
}
// sign it
result *= (i >> (bits - 1)) & 1 ? -1.0 : 1.0;
return result;
}
}
}
}
/*
int32_t pack(unsigned char* buffer, char* format, ...)
{
va_list ap;
int16_t h;
int32_t l;
int8_t c;
float f;
double d;
char* s;
int32_t size = 0, len;
va_start(ap, format);
for(; *format != '\0'; format++)
{
switch(*format)
{
case 'h': // 16-bit
size += 2;
h = (int16_t)va_arg(ap, int);
packi16(buffer, h);
buffer += 2;
break;
case 'l': // 32-bit
size += 4;
l = va_arg(ap, int32_t);
packi32(buffer, l);
buffer += 4;
break;
case 'c': // 8-bit
size += 1;
c = (int8_t)va_arg(ap, int);
*buffer++ = (c >> 0)&0xff;
break;
case 'f': // float (32-bit)
size += 4;
f = (float)va_arg(ap, double);
//l = pack754(f, 32, 8);
packi32(buffer, l);
buffer += 4;
break;
case 'd': // double (64-bit)
size += 8;
d = (float)va_arg(ap, double);
//l = pack754(f, 64, 11);
packi32(buffer, l);
buffer += 4;
break;
case 's': // string
s = va_arg(ap, char*);
len = strlen(s);
size += len + 2;
packi16(buffer, len);
buffer += 2;
memcpy(buffer, s, len);
buffer += len;
break;
}
}
va_end(ap);
return size;
}
*/
/*
void unpack(unsigned char* buffer, char* format, ...)
{
va_list ap;
int16_t* h;
int32_t* l;
int32_t pf;
int64_t pd;
int8_t* c;
float* f;
double* d;
char* s;
int32_t len, count, maxstrlen = 0;
va_start(ap, format);
for(; *format != '\0'; format++)
{
switch(*format)
{
case 'h': // 16-bit
h = va_arg(ap, int16_t*);
*h = unpacki16(buffer);
buffer += 2;
break;
case 'l': // 32-bit
l = va_arg(ap, int32_t*);
*l = unpacki32(buffer);
buffer += 4;
break;
case 'c': // 8-bit
c = va_arg(ap, int8_t*);
*c = *buffer++;
break;
case 'f': // float
f = va_arg(ap, float*);
pf = unpacki32(buffer);
buffer += 4;
//*f = unpack754(pf, 32, 8);
break;
case 'd': // double (64-bit)
d = va_arg(ap, double*);
pd = unpacki64(buffer);
buffer += 8;
//*d = unpack754(pf, 64, 11);
break;
case 's': // string
s = va_arg(ap, char*);
len = unpacki16(buffer);
buffer += 2;
if (maxstrlen > 0 && len > maxstrlen) count = maxstrlen - 1;
else count = len;
memcpy(s, buffer, count);
s[count] = '\0';
buffer += len;
break;
default:
if (isdigit(*format)) // track max str len
{
maxstrlen = maxstrlen * 10 + (*format-'0');
}
}
if(!isdigit(*format))
maxstrlen = 0;
}
va_end(ap);
}*/

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@ -1,107 +0,0 @@
#ifndef PACKING_H
#define PACKING_H
/////////////////////////////////////
// Created by Pontus Fransson 2013 //
/////////////////////////////////////
#include <string>
/******************************
Packing
******************************/
namespace Oyster
{
namespace Network
{
namespace Packing
{
//bool (1-bit)
void Pack(unsigned char buffer[], bool i);
//char (8-bit)
void Pack(unsigned char buffer[], char i);
void Pack(unsigned char buffer[], unsigned char i); // unsigned
//short (16-bit)
void Pack(unsigned char buffer[], short i);
void Pack(unsigned char buffer[], unsigned short i); // unsigned
//int (32-bit)
void Pack(unsigned char buffer[], int i);
void Pack(unsigned char buffer[], unsigned int i); // unsigned
//__int64 (64-bit)
void Pack(unsigned char buffer[], __int64 i);
void Pack(unsigned char buffer[], unsigned __int64 i); // unsigned
//floating point (32, 64-bit)
void Pack(unsigned char buffer[], float i);
void Pack(unsigned char buffer[], double i);
//string
void Pack(unsigned char buffer[], char str[]);
void Pack(unsigned char buffer[], std::string& str);
unsigned __int64 Pack754(long double f, unsigned bits, unsigned expbits);
/******************************
Unpacking
******************************/
//bool (1-bit)
bool Unpackb(unsigned char buffer[]);
//char (8-bit)
char Unpackc(unsigned char buffer[]);
unsigned char UnpackC(unsigned char buffer[]); // unsigned
//short (16-bit)
short Unpacks(unsigned char buffer[]);
unsigned short UnpackS(unsigned char buffer[]); // unsigned
//int (32-bit)
int Unpacki(unsigned char buffer[]);
unsigned int UnpackI(unsigned char buffer[]); // unsigned
//__int64 (64-bit)
__int64 Unpacki64(unsigned char buffer[]);
unsigned __int64 UnpackI64(unsigned char buffer[]); // unsigned
//floating point (32, 64-bit)
float Unpackf(unsigned char buffer[]);
double Unpackd(unsigned char buffer[]);
//string
char* UnpackCStr(unsigned char buffer[]);
std::string UnpackStr(unsigned char buffer[]);
long double Unpack754(unsigned __int64 i, unsigned bits, unsigned expbits);
}
}
}
//int32_t pack(unsigned char* buffer, char* format, ...);
//void unpack(unsigned char* buffer, char* format, ...);
/***********************************************
* This table is used for naming pack/unpack functions.
* It's also used to identify types in the 'format' string in function pack()/unpack()
*
* bits |signed unsigned float string
* -----+----------------------------------
* 1 | b
* 8 | c C
* 16 | s S f
* 32 | i I d
* 64 | q Q g
* - | str
*
* (16-bit unsigned length is automatically added in front of strings)
*
*/
#endif