dolphin/Source/Plugins/Plugin_VideoDX9/Src/W32Util/ChunkFile.h

60 lines
1.1 KiB
C++

#pragma once
//TO REMEMBER WHEN USING:
//EITHER a chunk contains ONLY data
//OR it contains ONLY other chunks
//otherwise the scheme breaks...
#include "File.h"
namespace W32Util
{
inline unsigned int flipID(unsigned int id)
{
return ((id>>24)&0xFF) | ((id>>8)&0xFF00) | ((id<<8)&0xFF0000) | ((id<<24)&0xFF000000);
}
class ChunkFile
{
File file;
struct ChunkInfo
{
int startLocation;
int parentStartLocation;
int parentEOF;
unsigned int ID;
int length;
};
ChunkInfo stack[8];
int numLevels;
char *data;
int pos,eof;
bool fastMode;
bool read;
bool didFail;
void SeekTo(int _pos);
int GetPos() {return pos;}
public:
ChunkFile(const TCHAR *filename, bool _read);
~ChunkFile();
bool Descend(unsigned int id);
void Ascend();
int ReadInt();
void ReadInt(int &i) {i = ReadInt();}
void ReadData(void *data, int count);
// String ReadString();
void WriteInt(int i);
//void WriteString(String str);
void WriteData(void *data, int count);
int GetCurrentChunkSize();
bool Failed() {return didFail;}
};
}