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openmw-tes3mp/components/nif/nifstream.hpp

76 lines
1.9 KiB
C++

///Functions used to read raw binary data from .nif files
#ifndef OPENMW_COMPONENTS_NIF_NIFSTREAM_HPP
#define OPENMW_COMPONENTS_NIF_NIFSTREAM_HPP
#include <stdint.h>
#include <stdexcept>
#include <vector>
#include <components/files/constrainedfilestream.hpp>
#include <osg/Vec3f>
#include <osg/Vec4f>
#include <osg/Quat>
#include <osg/Array>
#include <osg/PrimitiveSet>
#include "niftypes.hpp"
namespace Nif
{
class NIFFile;
class NIFStream {
/// Input stream
Files::IStreamPtr inp;
uint8_t read_byte();
uint16_t read_le16();
uint32_t read_le32();
float read_le32f();
public:
NIFFile * const file;
NIFStream (NIFFile * file, Files::IStreamPtr inp): inp (inp), file (file) {}
void skip(size_t size) { inp->ignore(size); }
char getChar() { return read_byte(); }
short getShort() { return read_le16(); }
unsigned short getUShort() { return read_le16(); }
int getInt() { return read_le32(); }
unsigned int getUInt() { return read_le32(); }
float getFloat() { return read_le32f(); }
osg::Vec2f getVector2();
osg::Vec3f getVector3();
osg::Vec4f getVector4();
Matrix3 getMatrix3();
osg::Quat getQuaternion();
Transformation getTrafo();
///Read in a string of the given length
std::string getString(size_t length);
///Read in a string of the length specified in the file
std::string getString();
///This is special since the version string doesn't start with a number, and ends with "\n"
std::string getVersionString();
void getUShorts(osg::VectorGLushort* vec, size_t size);
void getFloats(std::vector<float> &vec, size_t size);
void getVector2s(osg::Vec2Array* vec, size_t size);
void getVector3s(osg::Vec3Array* vec, size_t size);
void getVector4s(osg::Vec4Array* vec, size_t size);
void getQuaternions(std::vector<osg::Quat> &quat, size_t size);
};
}
#endif