Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
277
source/Irrlicht/CNPKReader.cpp
Normal file
277
source/Irrlicht/CNPKReader.cpp
Normal file
@@ -0,0 +1,277 @@
|
||||
// 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
|
||||
// Based on the NPK reader from Irrlicht
|
||||
|
||||
#include "CNPKReader.h"
|
||||
|
||||
#ifdef __IRR_COMPILE_WITH_NPK_ARCHIVE_LOADER_
|
||||
|
||||
#include "os.h"
|
||||
#include "coreutil.h"
|
||||
|
||||
#ifdef _DEBUG
|
||||
#define IRR_DEBUG_NPK_READER
|
||||
#endif
|
||||
|
||||
namespace irr
|
||||
{
|
||||
namespace io
|
||||
{
|
||||
|
||||
namespace
|
||||
{
|
||||
bool isHeaderValid(const SNPKHeader& header)
|
||||
{
|
||||
const c8* const tag = header.Tag;
|
||||
return tag[0] == '0' &&
|
||||
tag[1] == 'K' &&
|
||||
tag[2] == 'P' &&
|
||||
tag[3] == 'N';
|
||||
}
|
||||
} // end namespace
|
||||
|
||||
|
||||
//! Constructor
|
||||
CArchiveLoaderNPK::CArchiveLoaderNPK( io::IFileSystem* fs)
|
||||
: FileSystem(fs)
|
||||
{
|
||||
#ifdef _DEBUG
|
||||
setDebugName("CArchiveLoaderNPK");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
//! returns true if the file maybe is able to be loaded by this class
|
||||
bool CArchiveLoaderNPK::isALoadableFileFormat(const io::path& filename) const
|
||||
{
|
||||
return core::hasFileExtension(filename, "npk");
|
||||
}
|
||||
|
||||
//! Check to see if the loader can create archives of this type.
|
||||
bool CArchiveLoaderNPK::isALoadableFileFormat(E_FILE_ARCHIVE_TYPE fileType) const
|
||||
{
|
||||
return fileType == EFAT_NPK;
|
||||
}
|
||||
|
||||
//! Creates an archive from the filename
|
||||
/** \param file File handle to check.
|
||||
\return Pointer to newly created archive, or 0 upon error. */
|
||||
IFileArchive* CArchiveLoaderNPK::createArchive(const io::path& filename, bool ignoreCase, bool ignorePaths) const
|
||||
{
|
||||
IFileArchive *archive = 0;
|
||||
io::IReadFile* file = FileSystem->createAndOpenFile(filename);
|
||||
|
||||
if (file)
|
||||
{
|
||||
archive = createArchive(file, ignoreCase, ignorePaths);
|
||||
file->drop ();
|
||||
}
|
||||
|
||||
return archive;
|
||||
}
|
||||
|
||||
//! creates/loads an archive from the file.
|
||||
//! \return Pointer to the created archive. Returns 0 if loading failed.
|
||||
IFileArchive* CArchiveLoaderNPK::createArchive(io::IReadFile* file, bool ignoreCase, bool ignorePaths) const
|
||||
{
|
||||
IFileArchive *archive = 0;
|
||||
if ( file )
|
||||
{
|
||||
file->seek ( 0 );
|
||||
archive = new CNPKReader(file, ignoreCase, ignorePaths);
|
||||
}
|
||||
return archive;
|
||||
}
|
||||
|
||||
|
||||
//! 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. */
|
||||
bool CArchiveLoaderNPK::isALoadableFileFormat(io::IReadFile* file) const
|
||||
{
|
||||
SNPKHeader header;
|
||||
|
||||
file->read(&header, sizeof(header));
|
||||
|
||||
return isHeaderValid(header);
|
||||
}
|
||||
|
||||
|
||||
/*!
|
||||
NPK Reader
|
||||
*/
|
||||
CNPKReader::CNPKReader(IReadFile* file, bool ignoreCase, bool ignorePaths)
|
||||
: CFileList((file ? file->getFileName() : io::path("")), ignoreCase, ignorePaths), File(file)
|
||||
{
|
||||
#ifdef _DEBUG
|
||||
setDebugName("CNPKReader");
|
||||
#endif
|
||||
|
||||
if (File)
|
||||
{
|
||||
File->grab();
|
||||
if (scanLocalHeader())
|
||||
sort();
|
||||
else
|
||||
os::Printer::log("Failed to load NPK archive.");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
CNPKReader::~CNPKReader()
|
||||
{
|
||||
if (File)
|
||||
File->drop();
|
||||
}
|
||||
|
||||
|
||||
const IFileList* CNPKReader::getFileList() const
|
||||
{
|
||||
return this;
|
||||
}
|
||||
|
||||
|
||||
bool CNPKReader::scanLocalHeader()
|
||||
{
|
||||
SNPKHeader header;
|
||||
|
||||
// Read and validate the header
|
||||
File->read(&header, sizeof(header));
|
||||
if (!isHeaderValid(header))
|
||||
return false;
|
||||
|
||||
// Seek to the table of contents
|
||||
#ifdef __BIG_ENDIAN__
|
||||
header.Offset = os::Byteswap::byteswap(header.Offset);
|
||||
header.Length = os::Byteswap::byteswap(header.Length);
|
||||
#endif
|
||||
header.Offset += 8;
|
||||
core::stringc dirName;
|
||||
bool inTOC=true;
|
||||
// Loop through each entry in the table of contents
|
||||
while (inTOC && (File->getPos() < File->getSize()))
|
||||
{
|
||||
// read an entry
|
||||
char tag[4]={0};
|
||||
SNPKFileEntry entry;
|
||||
File->read(tag, 4);
|
||||
const int numTag = MAKE_IRR_ID(tag[3],tag[2],tag[1],tag[0]);
|
||||
int size;
|
||||
|
||||
bool isDir=true;
|
||||
|
||||
switch (numTag)
|
||||
{
|
||||
case MAKE_IRR_ID('D','I','R','_'):
|
||||
{
|
||||
File->read(&size, 4);
|
||||
readString(entry.Name);
|
||||
entry.Length=0;
|
||||
entry.Offset=0;
|
||||
#ifdef IRR_DEBUG_NPK_READER
|
||||
os::Printer::log("Dir", entry.Name);
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
case MAKE_IRR_ID('F','I','L','E'):
|
||||
{
|
||||
File->read(&size, 4);
|
||||
File->read(&entry.Offset, 4);
|
||||
File->read(&entry.Length, 4);
|
||||
readString(entry.Name);
|
||||
isDir=false;
|
||||
#ifdef IRR_DEBUG_NPK_READER
|
||||
os::Printer::log("File", entry.Name);
|
||||
#endif
|
||||
#ifdef __BIG_ENDIAN__
|
||||
entry.Offset = os::Byteswap::byteswap(entry.Offset);
|
||||
entry.Length = os::Byteswap::byteswap(entry.Length);
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
case MAKE_IRR_ID('D','E','N','D'):
|
||||
{
|
||||
File->read(&size, 4);
|
||||
entry.Name="";
|
||||
entry.Length=0;
|
||||
entry.Offset=0;
|
||||
const s32 pos = dirName.findLast('/', dirName.size()-2);
|
||||
if (pos==-1)
|
||||
dirName="";
|
||||
else
|
||||
dirName=dirName.subString(0, pos);
|
||||
#ifdef IRR_DEBUG_NPK_READER
|
||||
os::Printer::log("Dirend", dirName);
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
default:
|
||||
inTOC=false;
|
||||
}
|
||||
// skip root dir
|
||||
if (isDir)
|
||||
{
|
||||
if (!entry.Name.size() || (entry.Name==".") || (entry.Name=="<noname>"))
|
||||
continue;
|
||||
dirName += entry.Name;
|
||||
dirName += "/";
|
||||
}
|
||||
#ifdef IRR_DEBUG_NPK_READER
|
||||
os::Printer::log("Name", entry.Name);
|
||||
#endif
|
||||
addItem((isDir?dirName:dirName+entry.Name), entry.Offset+header.Offset, entry.Length, isDir);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
//! opens a file by file name
|
||||
IReadFile* CNPKReader::createAndOpenFile(const io::path& filename)
|
||||
{
|
||||
s32 index = findFile(filename, false);
|
||||
|
||||
if (index != -1)
|
||||
return createAndOpenFile(index);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
//! opens a file by index
|
||||
IReadFile* CNPKReader::createAndOpenFile(u32 index)
|
||||
{
|
||||
if (index >= Files.size() )
|
||||
return 0;
|
||||
|
||||
const SFileListEntry &entry = Files[index];
|
||||
return createLimitReadFile( entry.FullName, File, entry.Offset, entry.Size );
|
||||
}
|
||||
|
||||
void CNPKReader::readString(core::stringc& name)
|
||||
{
|
||||
short stringSize;
|
||||
char buf[256];
|
||||
File->read(&stringSize, 2);
|
||||
#ifdef __BIG_ENDIAN__
|
||||
stringSize = os::Byteswap::byteswap(stringSize);
|
||||
#endif
|
||||
name.reserve(stringSize);
|
||||
while(stringSize)
|
||||
{
|
||||
const short next = core::min_(stringSize, (short)255);
|
||||
File->read(buf,next);
|
||||
buf[next]=0;
|
||||
name.append(buf);
|
||||
stringSize -= next;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
} // end namespace io
|
||||
} // end namespace irr
|
||||
|
||||
#endif // __IRR_COMPILE_WITH_NPK_ARCHIVE_LOADER_
|
||||
|
||||
Reference in New Issue
Block a user