Convert Q3BSP Importer to use ZipArchiveIOSystem

Removes duplication, handles large files better
pull/2545/head
RichardTea 2019-07-25 10:13:53 +01:00
parent 5c6ea5d7ba
commit 3016f3a725
7 changed files with 23 additions and 485 deletions

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@ -690,8 +690,6 @@ ADD_ASSIMP_IMPORTER( Q3BSP
Q3BSP/Q3BSPFileParser.cpp
Q3BSP/Q3BSPFileImporter.h
Q3BSP/Q3BSPFileImporter.cpp
Q3BSP/Q3BSPZipArchive.h
Q3BSP/Q3BSPZipArchive.cpp
)
ADD_ASSIMP_IMPORTER( RAW

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@ -43,7 +43,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
#include "Q3BSPFileImporter.h"
#include "Q3BSPZipArchive.h"
#include "Q3BSPFileParser.h"
#include "Q3BSPFileData.h"
@ -60,6 +59,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assimp/scene.h>
#include <assimp/ai_assert.h>
#include <assimp/DefaultIOSystem.h>
#include <assimp/ZipArchiveIOSystem.h>
#include <assimp/importerdesc.h>
#include <vector>
#include <sstream>
@ -181,7 +181,7 @@ const aiImporterDesc* Q3BSPFileImporter::GetInfo () const {
// ------------------------------------------------------------------------------------------------
// Import method.
void Q3BSPFileImporter::InternReadFile(const std::string &rFile, aiScene* scene, IOSystem* ioHandler) {
Q3BSPZipArchive Archive( ioHandler, rFile );
ZipArchiveIOSystem Archive( ioHandler, rFile );
if ( !Archive.isOpen() ) {
throw DeadlyImportError( "Failed to open file " + rFile + "." );
}
@ -223,10 +223,10 @@ void Q3BSPFileImporter::separateMapName( const std::string &importName, std::str
// ------------------------------------------------------------------------------------------------
// Returns the first map in the map archive.
bool Q3BSPFileImporter::findFirstMapInArchive( Q3BSPZipArchive &bspArchive, std::string &mapName ) {
bool Q3BSPFileImporter::findFirstMapInArchive(ZipArchiveIOSystem &bspArchive, std::string &mapName ) {
mapName = "";
std::vector<std::string> fileList;
bspArchive.getFileList( fileList );
bspArchive.getFileListExtension( fileList, "bsp" );
if (fileList.empty()) {
return false;
}
@ -249,7 +249,7 @@ bool Q3BSPFileImporter::findFirstMapInArchive( Q3BSPZipArchive &bspArchive, std:
// ------------------------------------------------------------------------------------------------
// Creates the assimp specific data.
void Q3BSPFileImporter::CreateDataFromImport( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene,
Q3BSPZipArchive *pArchive ) {
ZipArchiveIOSystem *pArchive ) {
if (nullptr == pModel || nullptr == pScene) {
return;
}
@ -418,7 +418,7 @@ void Q3BSPFileImporter::createTriangleTopology( const Q3BSP::Q3BSPModel *pModel,
// ------------------------------------------------------------------------------------------------
// Creates all referenced materials.
void Q3BSPFileImporter::createMaterials( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene,
Q3BSPZipArchive *pArchive ) {
ZipArchiveIOSystem *pArchive ) {
if ( m_MaterialLookupMap.empty() ) {
return;
}
@ -564,7 +564,7 @@ aiFace *Q3BSPFileImporter::getNextFace( aiMesh *mesh, unsigned int &faceIdx ) {
// ------------------------------------------------------------------------------------------------
// Imports a texture file.
bool Q3BSPFileImporter::importTextureFromArchive( const Q3BSP::Q3BSPModel *model,
Q3BSP::Q3BSPZipArchive *archive, aiScene*,
ZipArchiveIOSystem *archive, aiScene*,
aiMaterial *pMatHelper, int textureId ) {
if (nullptr == archive || nullptr == pMatHelper ) {
return false;
@ -669,7 +669,7 @@ bool Q3BSPFileImporter::importLightmap( const Q3BSP::Q3BSPModel *pModel, aiScene
// ------------------------------------------------------------------------------------------------
// Will search for a supported extension.
bool Q3BSPFileImporter::expandFile( Q3BSP::Q3BSPZipArchive *pArchive, const std::string &rFilename,
bool Q3BSPFileImporter::expandFile(ZipArchiveIOSystem *pArchive, const std::string &rFilename,
const std::vector<std::string> &rExtList, std::string &rFile,
std::string &rExt )
{

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@ -54,9 +54,9 @@ struct aiMaterial;
struct aiTexture;
namespace Assimp {
class ZipArchiveIOSystem;
namespace Q3BSP {
class Q3BSPZipArchive;
struct Q3BSPModel;
struct sQ3BSPFace;
}
@ -85,24 +85,24 @@ protected:
const aiImporterDesc* GetInfo () const;
void InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
void separateMapName( const std::string &rImportName, std::string &rArchiveName, std::string &rMapName );
bool findFirstMapInArchive( Q3BSP::Q3BSPZipArchive &rArchive, std::string &rMapName );
void CreateDataFromImport( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, Q3BSP::Q3BSPZipArchive *pArchive );
bool findFirstMapInArchive(ZipArchiveIOSystem &rArchive, std::string &rMapName );
void CreateDataFromImport( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, ZipArchiveIOSystem *pArchive );
void CreateNodes( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, aiNode *pParent );
aiNode *CreateTopology( const Q3BSP::Q3BSPModel *pModel, unsigned int materialIdx,
std::vector<Q3BSP::sQ3BSPFace*> &rArray, aiMesh **pMesh );
void createTriangleTopology( const Q3BSP::Q3BSPModel *pModel, Q3BSP::sQ3BSPFace *pQ3BSPFace, aiMesh* pMesh, unsigned int &rFaceIdx,
unsigned int &rVertIdx );
void createMaterials( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, Q3BSP::Q3BSPZipArchive *pArchive );
void createMaterials( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, ZipArchiveIOSystem *pArchive );
size_t countData( const std::vector<Q3BSP::sQ3BSPFace*> &rArray ) const;
size_t countFaces( const std::vector<Q3BSP::sQ3BSPFace*> &rArray ) const;
size_t countTriangles( const std::vector<Q3BSP::sQ3BSPFace*> &rArray ) const;
void createMaterialMap( const Q3BSP::Q3BSPModel *pModel);
aiFace *getNextFace( aiMesh *pMesh, unsigned int &rFaceIdx );
bool importTextureFromArchive( const Q3BSP::Q3BSPModel *pModel, Q3BSP::Q3BSPZipArchive *pArchive, aiScene* pScene,
bool importTextureFromArchive( const Q3BSP::Q3BSPModel *pModel, ZipArchiveIOSystem *pArchive, aiScene* pScene,
aiMaterial *pMatHelper, int textureId );
bool importLightmap( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene, aiMaterial *pMatHelper, int lightmapId );
bool importEntities( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene );
bool expandFile( Q3BSP::Q3BSPZipArchive *pArchive, const std::string &rFilename, const std::vector<std::string> &rExtList,
bool expandFile(ZipArchiveIOSystem *pArchive, const std::string &rFilename, const std::vector<std::string> &rExtList,
std::string &rFile, std::string &rExt );
private:

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@ -45,9 +45,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "Q3BSPFileParser.h"
#include "Q3BSPFileData.h"
#include "Q3BSPZipArchive.h"
#include <vector>
#include <assimp/DefaultIOSystem.h>
#include <assimp/ZipArchiveIOSystem.h>
#include <assimp/ai_assert.h>
namespace Assimp {
@ -55,7 +55,7 @@ namespace Assimp {
using namespace Q3BSP;
// ------------------------------------------------------------------------------------------------
Q3BSPFileParser::Q3BSPFileParser( const std::string &mapName, Q3BSPZipArchive *pZipArchive ) :
Q3BSPFileParser::Q3BSPFileParser( const std::string &mapName, ZipArchiveIOSystem *pZipArchive ) :
m_sOffset( 0 ),
m_Data(),
m_pModel(nullptr),
@ -101,6 +101,7 @@ bool Q3BSPFileParser::readData( const std::string &rMapName ) {
const size_t readSize = pMapFile->Read( &m_Data[0], sizeof( char ), size );
if ( readSize != size ) {
m_Data.clear();
m_pZipArchive->Close(pMapFile);
return false;
}
m_pZipArchive->Close( pMapFile );

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@ -48,13 +48,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
namespace Assimp
{
class ZipArchiveIOSystem;
namespace Q3BSP
{
class Q3BSPZipArchive;
struct Q3BSPModel;
class ZipFile;
struct Q3BSPModel;
class ZipFile;
}
// -------------------------------------------------------------------
@ -62,7 +61,7 @@ class ZipFile;
class Q3BSPFileParser
{
public:
Q3BSPFileParser( const std::string &rMapName, Q3BSP::Q3BSPZipArchive *pZipArchive );
Q3BSPFileParser( const std::string &rMapName, ZipArchiveIOSystem *pZipArchive );
~Q3BSPFileParser();
Q3BSP::Q3BSPModel *getModel() const;
@ -83,7 +82,7 @@ private:
size_t m_sOffset;
std::vector<char> m_Data;
Q3BSP::Q3BSPModel *m_pModel;
Q3BSP::Q3BSPZipArchive *m_pZipArchive;
ZipArchiveIOSystem *m_pZipArchive;
};
} // Namespace Assimp

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@ -1,325 +0,0 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
#include "Q3BSPZipArchive.h"
#include <cassert>
#include <cstdlib>
#include <assimp/ai_assert.h>
namespace Assimp {
namespace Q3BSP {
voidpf IOSystem2Unzip::open(voidpf opaque, const char* filename, int mode) {
IOSystem* io_system = (IOSystem*) opaque;
const char* mode_fopen = NULL;
if((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) {
mode_fopen = "rb";
} else {
if(mode & ZLIB_FILEFUNC_MODE_EXISTING) {
mode_fopen = "r+b";
} else {
if(mode & ZLIB_FILEFUNC_MODE_CREATE) {
mode_fopen = "wb";
}
}
}
return (voidpf) io_system->Open(filename, mode_fopen);
}
uLong IOSystem2Unzip::read(voidpf /*opaque*/, voidpf stream, void* buf, uLong size) {
IOStream* io_stream = (IOStream*) stream;
return static_cast<uLong>(io_stream->Read(buf, 1, size));
}
uLong IOSystem2Unzip::write(voidpf /*opaque*/, voidpf stream, const void* buf, uLong size) {
IOStream* io_stream = (IOStream*) stream;
return static_cast<uLong>(io_stream->Write(buf, 1, size));
}
long IOSystem2Unzip::tell(voidpf /*opaque*/, voidpf stream) {
IOStream* io_stream = (IOStream*) stream;
return static_cast<long>(io_stream->Tell());
}
long IOSystem2Unzip::seek(voidpf /*opaque*/, voidpf stream, uLong offset, int origin) {
IOStream* io_stream = (IOStream*) stream;
aiOrigin assimp_origin;
switch (origin) {
default:
case ZLIB_FILEFUNC_SEEK_CUR:
assimp_origin = aiOrigin_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END:
assimp_origin = aiOrigin_END;
break;
case ZLIB_FILEFUNC_SEEK_SET:
assimp_origin = aiOrigin_SET;
break;
}
return (io_stream->Seek(offset, assimp_origin) == aiReturn_SUCCESS ? 0 : -1);
}
int IOSystem2Unzip::close(voidpf opaque, voidpf stream) {
IOSystem* io_system = (IOSystem*) opaque;
IOStream* io_stream = (IOStream*) stream;
io_system->Close(io_stream);
return 0;
}
int IOSystem2Unzip::testerror(voidpf /*opaque*/, voidpf /*stream*/) {
return 0;
}
zlib_filefunc_def IOSystem2Unzip::get(IOSystem* pIOHandler) {
zlib_filefunc_def mapping;
#ifdef ASSIMP_USE_HUNTER
mapping.zopen_file = (open_file_func)open;
mapping.zread_file = (read_file_func)read;
mapping.zwrite_file = (write_file_func)write;
mapping.ztell_file = (tell_file_func)tell;
mapping.zseek_file = (seek_file_func)seek;
mapping.zclose_file = (close_file_func)close;
mapping.zerror_file = (error_file_func)testerror;
#else
mapping.zopen_file = open;
mapping.zread_file = read;
mapping.zwrite_file = write;
mapping.ztell_file = tell;
mapping.zseek_file = seek;
mapping.zclose_file = close;
mapping.zerror_file = testerror;
#endif
mapping.opaque = (voidpf) pIOHandler;
return mapping;
}
ZipFile::ZipFile(size_t size) : m_Size(size) {
ai_assert(m_Size != 0);
m_Buffer = malloc(m_Size);
}
ZipFile::~ZipFile() {
free(m_Buffer);
m_Buffer = NULL;
}
size_t ZipFile::Read(void* pvBuffer, size_t pSize, size_t pCount) {
const size_t size = pSize * pCount;
assert(size <= m_Size);
std::memcpy(pvBuffer, m_Buffer, size);
return size;
}
size_t ZipFile::Write(const void* /*pvBuffer*/, size_t /*pSize*/, size_t /*pCount*/) {
return 0;
}
size_t ZipFile::FileSize() const {
return m_Size;
}
aiReturn ZipFile::Seek(size_t /*pOffset*/, aiOrigin /*pOrigin*/) {
return aiReturn_FAILURE;
}
size_t ZipFile::Tell() const {
return 0;
}
void ZipFile::Flush() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Constructor.
Q3BSPZipArchive::Q3BSPZipArchive(IOSystem* pIOHandler, const std::string& rFile) : m_ZipFileHandle(NULL), m_ArchiveMap() {
if (! rFile.empty()) {
zlib_filefunc_def mapping = IOSystem2Unzip::get(pIOHandler);
m_ZipFileHandle = unzOpen2(rFile.c_str(), &mapping);
if(m_ZipFileHandle != nullptr) {
mapArchive();
}
}
}
// ------------------------------------------------------------------------------------------------
// Destructor.
Q3BSPZipArchive::~Q3BSPZipArchive() {
for(auto &file : m_ArchiveMap) {
delete file.second;
}
m_ArchiveMap.clear();
if(m_ZipFileHandle != nullptr) {
unzClose(m_ZipFileHandle);
m_ZipFileHandle = nullptr;
}
}
// ------------------------------------------------------------------------------------------------
// Returns true, if the archive is already open.
bool Q3BSPZipArchive::isOpen() const {
return (m_ZipFileHandle != nullptr);
}
// ------------------------------------------------------------------------------------------------
// Returns true, if the filename is part of the archive.
bool Q3BSPZipArchive::Exists(const char* pFile) const {
bool exist = false;
if (pFile != nullptr) {
std::string rFile(pFile);
std::map<std::string, ZipFile*>::const_iterator it = m_ArchiveMap.find(rFile);
if(it != m_ArchiveMap.end()) {
exist = true;
}
}
return exist;
}
// ------------------------------------------------------------------------------------------------
// Returns the separator delimiter.
char Q3BSPZipArchive::getOsSeparator() const {
#ifndef _WIN32
return '/';
#else
return '\\';
#endif
}
// ------------------------------------------------------------------------------------------------
// Opens a file, which is part of the archive.
IOStream *Q3BSPZipArchive::Open(const char* pFile, const char* /*pMode*/) {
ai_assert(pFile != nullptr);
IOStream* result = nullptr;
std::map<std::string, ZipFile*>::iterator it = m_ArchiveMap.find(pFile);
if(it != m_ArchiveMap.end()) {
result = (IOStream*) it->second;
}
return result;
}
// ------------------------------------------------------------------------------------------------
// Close a filestream.
void Q3BSPZipArchive::Close(IOStream *pFile) {
(void)(pFile);
ai_assert(pFile != nullptr);
// We don't do anything in case the file would be opened again in the future
}
// ------------------------------------------------------------------------------------------------
// Returns the file-list of the archive.
void Q3BSPZipArchive::getFileList(std::vector<std::string> &rFileList) {
rFileList.clear();
for(auto &file : m_ArchiveMap) {
rFileList.push_back(file.first);
}
}
// ------------------------------------------------------------------------------------------------
// Maps the archive content.
bool Q3BSPZipArchive::mapArchive() {
bool success = false;
if(m_ZipFileHandle != nullptr) {
if(m_ArchiveMap.empty()) {
// At first ensure file is already open
if(unzGoToFirstFile(m_ZipFileHandle) == UNZ_OK) {
// Loop over all files
do {
char filename[FileNameSize];
unz_file_info fileInfo;
if(unzGetCurrentFileInfo(m_ZipFileHandle, &fileInfo, filename, FileNameSize, NULL, 0, NULL, 0) == UNZ_OK) {
// The file has EXACTLY the size of uncompressed_size. In C
// you need to mark the last character with '\0', so add
// another character
if(fileInfo.uncompressed_size != 0 && unzOpenCurrentFile(m_ZipFileHandle) == UNZ_OK) {
std::pair<std::map<std::string, ZipFile*>::iterator, bool> result = m_ArchiveMap.insert(std::make_pair(filename, new ZipFile(fileInfo.uncompressed_size)));
if(unzReadCurrentFile(m_ZipFileHandle, result.first->second->m_Buffer, fileInfo.uncompressed_size) == (long int) fileInfo.uncompressed_size) {
if(unzCloseCurrentFile(m_ZipFileHandle) == UNZ_OK) {
// Nothing to do anymore...
}
}
}
}
} while(unzGoToNextFile(m_ZipFileHandle) != UNZ_END_OF_LIST_OF_FILE);
}
}
success = true;
}
return success;
}
// ------------------------------------------------------------------------------------------------
} // Namespace Q3BSP
} // Namespace Assimp
#endif // ASSIMP_BUILD_NO_Q3BSP_IMPORTER

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@ -1,135 +0,0 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef AI_Q3BSP_ZIPARCHIVE_H_INC
#define AI_Q3BSP_ZIPARCHIVE_H_INC
#ifdef ASSIMP_USE_HUNTER
# include <minizip/unzip.h>
#else
# include <unzip.h>
#endif
#include <assimp/IOStream.hpp>
#include <assimp/IOSystem.hpp>
#include <vector>
#include <map>
#include <cassert>
namespace Assimp {
namespace Q3BSP {
// ------------------------------------------------------------------------------------------------
/// \class IOSystem2Unzip
/// \ingroup Assimp::Q3BSP
///
/// \brief
// ------------------------------------------------------------------------------------------------
class IOSystem2Unzip {
public:
static voidpf open(voidpf opaque, const char* filename, int mode);
static uLong read(voidpf opaque, voidpf stream, void* buf, uLong size);
static uLong write(voidpf opaque, voidpf stream, const void* buf, uLong size);
static long tell(voidpf opaque, voidpf stream);
static long seek(voidpf opaque, voidpf stream, uLong offset, int origin);
static int close(voidpf opaque, voidpf stream);
static int testerror(voidpf opaque, voidpf stream);
static zlib_filefunc_def get(IOSystem* pIOHandler);
};
// ------------------------------------------------------------------------------------------------
/// \class ZipFile
/// \ingroup Assimp::Q3BSP
///
/// \brief
// ------------------------------------------------------------------------------------------------
class ZipFile : public IOStream {
friend class Q3BSPZipArchive;
public:
explicit ZipFile(size_t size);
~ZipFile();
size_t Read(void* pvBuffer, size_t pSize, size_t pCount );
size_t Write(const void* /*pvBuffer*/, size_t /*pSize*/, size_t /*pCount*/);
size_t FileSize() const;
aiReturn Seek(size_t /*pOffset*/, aiOrigin /*pOrigin*/);
size_t Tell() const;
void Flush();
private:
void* m_Buffer;
size_t m_Size;
};
// ------------------------------------------------------------------------------------------------
/// \class Q3BSPZipArchive
/// \ingroup Assimp::Q3BSP
///
/// \brief IMplements a zip archive like the WinZip archives. Will be also used to import data
/// from a P3K archive ( Quake level format ).
// ------------------------------------------------------------------------------------------------
class Q3BSPZipArchive : public Assimp::IOSystem {
public:
static const unsigned int FileNameSize = 256;
public:
Q3BSPZipArchive(IOSystem* pIOHandler, const std::string & rFile);
~Q3BSPZipArchive();
bool Exists(const char* pFile) const;
char getOsSeparator() const;
IOStream* Open(const char* pFile, const char* pMode = "rb");
void Close(IOStream* pFile);
bool isOpen() const;
void getFileList(std::vector<std::string> &rFileList);
private:
bool mapArchive();
private:
unzFile m_ZipFileHandle;
std::map<std::string, ZipFile*> m_ArchiveMap;
};
// ------------------------------------------------------------------------------------------------
} // Namespace Q3BSP
} // Namespace Assimp
#endif // AI_Q3BSP_ZIPARCHIVE_H_INC