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author | Paweł Kołodziejski | 2004-05-05 07:25:32 +0000 |
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committer | Paweł Kołodziejski | 2004-05-05 07:25:32 +0000 |
commit | e29ec6e79c325bcea2c95ecbfeb3a64c80a30630 (patch) | |
tree | cc532d796c8800d693105ce7c1f9c799111f37fe /awe/serializer.cpp | |
parent | 06002009806a770198c7e228f8b3e0203439b17d (diff) | |
download | scummvm-rg350-e29ec6e79c325bcea2c95ecbfeb3a64c80a30630.tar.gz scummvm-rg350-e29ec6e79c325bcea2c95ecbfeb3a64c80a30630.tar.bz2 scummvm-rg350-e29ec6e79c325bcea2c95ecbfeb3a64c80a30630.zip |
adding initial code for Another World engine
svn-id: r13783
Diffstat (limited to 'awe/serializer.cpp')
-rw-r--r-- | awe/serializer.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/awe/serializer.cpp b/awe/serializer.cpp new file mode 100644 index 0000000000..aec79d6995 --- /dev/null +++ b/awe/serializer.cpp @@ -0,0 +1,127 @@ +/* AWE - Another World Engine + * Copyright (C) 2004 Gregory Montoir + * Copyright (C) 2004 The ScummVM project + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "stdafx.h" + +#include "serializer.h" +#include "file.h" +#include "util.h" + +namespace Awe { + +Serializer::Serializer(File *stream, Mode mode, uint8 *ptrBlock, uint16 saveVer) + : _stream(stream), _mode(mode), _ptrBlock(ptrBlock), _saveVer(saveVer) { +} + +void Serializer::saveOrLoadEntries(Entry *entry) { + switch (_mode) { + case SM_SAVE: + saveEntries(entry); + break; + case SM_LOAD: + loadEntries(entry); + break; + } +} + +void Serializer::saveEntries(Entry *entry) { + for (; entry->type != SET_END; ++entry) { + if (entry->maxVer == CUR_VER) { + switch (entry->type) { + case SET_INT: + saveInt(entry->size, entry->data); + break; + case SET_ARRAY: + if (entry->size == Serializer::SES_INT8) { + _stream->write(entry->data, entry->n); + } else { + uint8 *p = (uint8 *)entry->data; + for (int i = 0; i < entry->n; ++i) { + saveInt(entry->size, p); + p += entry->size; + } + } + break; + case SET_PTR: + _stream->writeUint32BE(*(uint8 **)(entry->data) - _ptrBlock); + break; + case SET_END: + break; + } + } + } +} + +void Serializer::loadEntries(Entry *entry) { + for (; entry->type != SET_END; ++entry) { + if (_saveVer >= entry->minVer && _saveVer <= entry->maxVer) { + switch (entry->type) { + case SET_INT: + loadInt(entry->size, entry->data); + break; + case SET_ARRAY: + if (entry->size == Serializer::SES_INT8) { + _stream->read(entry->data, entry->n); + } else { + uint8 *p = (uint8 *)entry->data; + for (int i = 0; i < entry->n; ++i) { + loadInt(entry->size, p); + p += entry->size; + } + } + break; + case SET_PTR: + *(uint8 **)(entry->data) = _ptrBlock + _stream->readUint32BE(); + break; + case SET_END: + break; + } + } + } +} + +void Serializer::saveInt(uint8 es, void *p) { + switch (es) { + case SES_INT8: + _stream->writeByte(*(uint8 *)p); + break; + case SES_INT16: + _stream->writeUint16BE(*(uint16 *)p); + break; + case SES_INT32: + _stream->writeUint32BE(*(uint32 *)p); + break; + } +} + +void Serializer::loadInt(uint8 es, void *p) { + switch (es) { + case SES_INT8: + *(uint8 *)p = _stream->readByte(); + break; + case SES_INT16: + *(uint16 *)p = _stream->readUint16BE(); + break; + case SES_INT32: + *(uint32 *)p = _stream->readUint32BE(); + break; + } +} + +} |