125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// Copyright (C) 2009-2012 Christian Stehno
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#ifndef IRR_C_NPK_READER_H_INCLUDED
|
|
#define IRR_C_NPK_READER_H_INCLUDED
|
|
|
|
#include "IrrCompileConfig.h"
|
|
|
|
#ifdef __IRR_COMPILE_WITH_NPK_ARCHIVE_LOADER_
|
|
|
|
#include "IReferenceCounted.h"
|
|
#include "IReadFile.h"
|
|
#include "irrArray.h"
|
|
#include "irrString.h"
|
|
#include "IFileSystem.h"
|
|
#include "CFileList.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace io
|
|
{
|
|
namespace
|
|
{
|
|
//! File header containing location and size of the table of contents
|
|
struct SNPKHeader
|
|
{
|
|
// Don't change the order of these fields! They must match the order stored on disk.
|
|
c8 Tag[4];
|
|
u32 Length;
|
|
u32 Offset;
|
|
};
|
|
|
|
//! An entry in the NPK file's table of contents.
|
|
struct SNPKFileEntry
|
|
{
|
|
core::stringc Name;
|
|
u32 Offset;
|
|
u32 Length;
|
|
};
|
|
} // end namespace
|
|
|
|
//! Archiveloader capable of loading Nebula Device 2 NPK Archives
|
|
class CArchiveLoaderNPK : public IArchiveLoader
|
|
{
|
|
public:
|
|
|
|
//! Constructor
|
|
CArchiveLoaderNPK(io::IFileSystem* fs);
|
|
|
|
//! returns true if the file maybe is able to be loaded by this class
|
|
//! based on the file extension (e.g. ".zip")
|
|
virtual bool isALoadableFileFormat(const io::path& filename) const IRR_OVERRIDE;
|
|
|
|
//! Check if the file might be loaded by this class
|
|
/** Check might look into the file.
|
|
\param file File handle to check.
|
|
\return True if file seems to be loadable. */
|
|
virtual bool isALoadableFileFormat(io::IReadFile* file) const IRR_OVERRIDE;
|
|
|
|
//! Check to see if the loader can create archives of this type.
|
|
/** Check based on the archive type.
|
|
\param fileType The archive type to check.
|
|
\return True if the archile loader supports this type, false if not */
|
|
virtual bool isALoadableFileFormat(E_FILE_ARCHIVE_TYPE fileType) const IRR_OVERRIDE;
|
|
|
|
//! Creates an archive from the filename
|
|
/** \param file File handle to check.
|
|
\return Pointer to newly created archive, or 0 upon error. */
|
|
virtual IFileArchive* createArchive(const io::path& filename, bool ignoreCase, bool ignorePaths) const IRR_OVERRIDE;
|
|
|
|
//! creates/loads an archive from the file.
|
|
//! \return Pointer to the created archive. Returns 0 if loading failed.
|
|
virtual io::IFileArchive* createArchive(io::IReadFile* file, bool ignoreCase, bool ignorePaths) const IRR_OVERRIDE;
|
|
|
|
private:
|
|
io::IFileSystem* FileSystem;
|
|
};
|
|
|
|
|
|
//! reads from NPK
|
|
class CNPKReader : public virtual IFileArchive, virtual CFileList
|
|
{
|
|
public:
|
|
|
|
CNPKReader(IReadFile* file, bool ignoreCase, bool ignorePaths);
|
|
virtual ~CNPKReader();
|
|
|
|
// file archive methods
|
|
|
|
//! return the id of the file Archive
|
|
virtual const io::path& getArchiveName() const IRR_OVERRIDE
|
|
{
|
|
return File->getFileName();
|
|
}
|
|
|
|
//! opens a file by file name
|
|
virtual IReadFile* createAndOpenFile(const io::path& filename) IRR_OVERRIDE;
|
|
|
|
//! opens a file by index
|
|
virtual IReadFile* createAndOpenFile(u32 index) IRR_OVERRIDE;
|
|
|
|
//! returns the list of files
|
|
virtual const IFileList* getFileList() const IRR_OVERRIDE;
|
|
|
|
//! get the class Type
|
|
virtual E_FILE_ARCHIVE_TYPE getType() const IRR_OVERRIDE { return EFAT_NPK; }
|
|
|
|
private:
|
|
|
|
//! scans for a local header, returns false if the header is invalid
|
|
bool scanLocalHeader();
|
|
void readString(core::stringc& name);
|
|
|
|
IReadFile* File;
|
|
};
|
|
|
|
} // end namespace io
|
|
} // end namespace irr
|
|
|
|
#endif // __IRR_COMPILE_WITH_NPK_ARCHIVE_LOADER_
|
|
|
|
#endif // IRR_C_NPK_READER_H_INCLUDED
|