WIP of assimp integration.

Engine/lib/assimp/code/Q3BSPZipArchive.h

@@ -0,0 +1,131 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2018, 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
+
+#include <unzip.h>
+#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