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annotate engine/core/vfs/dat/lzssdecoder.h @ 308:af0b233e246f

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- added a workaround for the rotation issue of groundtiles in rio de hola maps
author chewie@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 11 Aug 2009 17:08:21 +0000
parents 90005975cdbb
children
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_LZSSDECODER_H
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23 #define FIFE_LZSSDECODER_H
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24
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25 // Standard C++ library includes
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26
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27 // 3rd party library includes
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28
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29 // FIFE includes
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30 #include "util/base/fife_stdint.h"
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31 #include "vfs/vfs.h"
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32
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33 namespace FIFE {
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34 /** A helper class for unpacking LZSS encoded data
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35 * @bug just a quick&dirty LZSS implementation, optimized a bit
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36 * see revision 719 for the original one and 795 for the broken optimized one
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37 * @bug the lzss decoder might very well crash on corrupt data.
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38 */
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39 class LZSSDecoder {
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40 public:
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41 /** Constructor
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42 */
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43 LZSSDecoder();
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44
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45 /** Destructor
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46 */
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47 ~LZSSDecoder();
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48
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49 /** Decodes from a file into a pointer.
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50 * @param input The VFS file to read from
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51 * @param output The memory location to write to
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52 * @param outputsize The size of the memory location in byte
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53 */
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54 void decode(RawData* input, uint8_t* output, const uint32_t outputsize);
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55
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56 private:
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57 uint32_t m_outlen;
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58 uint32_t m_outindex;
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59 void LZSSDecode(uint8_t* in, long len, uint8_t* out);
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60
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61 };
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62
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63 }
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64
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65 #endif