- FEATURE : First version of PK3 format loader.

- FEATURE : First prototype of Quake 3 BSP format loader.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@755 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/Q3BSPZipArchive.cpp

@@ -0,0 +1,177 @@
+/*
+Open Asset Import Library (ASSIMP)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2008, ASSIMP Development 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 Development 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.
+
+----------------------------------------------------------------------
+*/
+#include "Q3BSPZipArchive.h"
+#include <algorithm>
+#include <cassert>
+
+namespace Assimp
+{
+namespace Q3BSP
+{
+
+// ------------------------------------------------------------------------------------------------
+Q3BSPZipArchive::Q3BSPZipArchive( const std::string& rFile ) :
+	m_ZipFileHandle( NULL ),
+	m_FileList(),
+	m_bDirty( true )
+{
+	if ( !rFile.empty() )
+	{
+		m_ZipFileHandle = unzOpen( rFile.c_str() );
+		if ( NULL != m_ZipFileHandle )
+		{
+			mapArchive();
+		}
+	}
+}
+
+// ------------------------------------------------------------------------------------------------
+Q3BSPZipArchive::~Q3BSPZipArchive()
+{
+	if ( NULL != m_ZipFileHandle )
+		unzClose( m_ZipFileHandle );
+	m_ZipFileHandle = NULL;
+	m_FileList.clear();
+}
+
+// ------------------------------------------------------------------------------------------------
+bool Q3BSPZipArchive::isOpen() const
+{
+	return ( NULL != m_ZipFileHandle );
+}
+
+// ------------------------------------------------------------------------------------------------
+bool Q3BSPZipArchive::Exists( const char* pFile ) const
+{
+	ai_assert( NULL != pFile );
+
+	std::string rFile( pFile );
+	std::vector<std::string>::const_iterator it = std::find( m_FileList.begin(), m_FileList.end(), rFile );
+	if ( m_FileList.end() == it )
+		return false;
+
+	return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+char Q3BSPZipArchive::getOsSeparator() const
+{
+	return '/';
+}
+
+// ------------------------------------------------------------------------------------------------
+IOStream *Q3BSPZipArchive::Open( const char* pFile, const char* pMode )
+{
+	ai_assert( NULL != pFile );
+
+	std::string rItem( pFile );
+	std::vector<std::string>::iterator it = std::find( m_FileList.begin(), m_FileList.end(), rItem );
+	if ( m_FileList.end() == it )
+		return NULL;
+
+	ZipFile *pZipFile = new ZipFile( *it, m_ZipFileHandle );
+	m_ArchiveMap[ rItem ] = pZipFile;
+
+	return pZipFile;
+}
+
+// ------------------------------------------------------------------------------------------------
+void Q3BSPZipArchive::Close( IOStream *pFile )
+{
+	ai_assert( NULL != pFile );
+
+	std::map<std::string, IOStream*>::iterator it;
+	for ( it = m_ArchiveMap.begin(); it != m_ArchiveMap.end(); ++it )
+	{
+		if ( (*it).second == pFile )
+		{
+			ZipFile *pZipFile = reinterpret_cast<ZipFile*>( (*it).second ); 
+			delete pZipFile;
+			m_ArchiveMap.erase( it );
+			break;
+		}
+	}
+}
+// ------------------------------------------------------------------------------------------------
+void Q3BSPZipArchive::getFileList( std::vector<std::string> &rFileList )
+{
+	rFileList = m_FileList;
+}
+
+// ------------------------------------------------------------------------------------------------
+bool Q3BSPZipArchive::mapArchive()
+{
+	if ( NULL == m_ZipFileHandle )
+		return false;
+
+	if ( !m_bDirty )
+		return true;
+
+	if ( !m_FileList.empty() )
+		m_FileList.resize( 0 );
+
+	//	At first ensure file is already open
+	if ( UNZ_OK == unzGoToFirstFile( m_ZipFileHandle ) ) 
+	{
+		char filename[ FileNameSize ];
+		unzGetCurrentFileInfo( m_ZipFileHandle, NULL, filename, FileNameSize, NULL, 0, NULL, 0 );
+		m_FileList.push_back( filename );
+		unzCloseCurrentFile( m_ZipFileHandle );
+			
+		// Loop over all files
+		while ( unzGoToNextFile( m_ZipFileHandle ) != UNZ_END_OF_LIST_OF_FILE )  
+		{
+			char filename[ FileNameSize ];
+			unzGetCurrentFileInfo( m_ZipFileHandle, NULL, filename, FileNameSize, NULL, 0, NULL, 0 );
+			m_FileList.push_back( filename );
+			unzCloseCurrentFile( m_ZipFileHandle );
+		}
+	}
+	
+	std::sort( m_FileList.begin(), m_FileList.end() );
+	m_bDirty = false;
+
+	return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+
+} // Namespace Q3BSP
+} // Namespace Assimp