diff options
Diffstat (limited to 'engines/kyra/saveload_rpg.cpp')
-rw-r--r-- | engines/kyra/saveload_rpg.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/engines/kyra/saveload_rpg.cpp b/engines/kyra/saveload_rpg.cpp new file mode 100644 index 0000000000..d22c50dbeb --- /dev/null +++ b/engines/kyra/saveload_rpg.cpp @@ -0,0 +1,127 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#if defined(ENABLE_EOB) || defined(ENABLE_LOL) + +#include "kyra/resource.h" +#include "kyra/script_eob.h" + +#include "common/system.h" +#include "common/savefile.h" +#include "common/substream.h" + +namespace Kyra { + +void KyraRpgEngine::generateTempData() { + int l = _currentLevel - 1; + if (_lvlTempData[l]) { + delete[] _lvlTempData[l]->wallsXorData; + delete[] _lvlTempData[l]->flags; + releaseMonsterTempData(_lvlTempData[l]); + releaseFlyingObjectTempData(_lvlTempData[l]); + releaseWallOfForceTempData(_lvlTempData[l]); + delete _lvlTempData[l]; + } + + _lvlTempData[l] = new LevelTempData; + + _lvlTempData[l]->wallsXorData = new uint8[4096]; + _lvlTempData[l]->flags = new uint16[1024]; + + const uint8 *p = getBlockFileData(_currentLevel); + uint16 len = READ_LE_UINT16(p + 4); + p += 6; + + memset(_lvlTempData[l]->wallsXorData, 0, 4096); + memset(_lvlTempData[l]->flags, 0, 1024 * sizeof(uint16)); + uint8 *d = _lvlTempData[l]->wallsXorData; + uint16 *df = _lvlTempData[l]->flags; + + for (int i = 0; i < 1024; i++) { + for (int ii = 0; ii < 4; ii++) + *d++ = p[i * len + ii] ^ _levelBlockProperties[i].walls[ii]; + *df++ = _levelBlockProperties[i].flags; + } + + _lvlTempData[l]->monsters = generateMonsterTempData(_lvlTempData[l]); + _lvlTempData[l]->flyingObjects = generateFlyingObjectTempData(_lvlTempData[l]); + _lvlTempData[l]->wallsOfForce = generateWallOfForceTempData(_lvlTempData[l]); + + _hasTempDataFlags |= (1 << l); +} + +void KyraRpgEngine::restoreBlockTempData(int levelIndex) { + int l = levelIndex - 1; + const uint8 *p = getBlockFileData(levelIndex); + uint16 len = READ_LE_UINT16(p + 4); + p += 6; + + memset(_levelBlockProperties, 0, 1024 * sizeof(LevelBlockProperty)); + + uint8 *t = _lvlTempData[l]->wallsXorData; + uint16 *t2 = _lvlTempData[l]->flags; + + for (int i = 0; i < 1024; i++) { + for (int ii = 0; ii < 4; ii++) + _levelBlockProperties[i].walls[ii] = p[i * len + ii] ^ *t++; + _levelBlockProperties[i].flags = *t2++; + } + + restoreMonsterTempData(_lvlTempData[l]); + restoreFlyingObjectTempData(_lvlTempData[l]); + restoreWallOfForceTempData(_lvlTempData[l]); +} + +void KyraRpgEngine::releaseTempData() { + for (int i = 0; i < 29; i++) { + if (_lvlTempData[i]) { + delete[] _lvlTempData[i]->wallsXorData; + delete[] _lvlTempData[i]->flags; + releaseMonsterTempData(_lvlTempData[i]); + releaseFlyingObjectTempData(_lvlTempData[i]); + releaseWallOfForceTempData(_lvlTempData[i]); + delete _lvlTempData[i]; + _lvlTempData[i] = 0; + } + } +} + +void *KyraRpgEngine::generateFlyingObjectTempData(LevelTempData *tmp) { + assert(_flyingObjectStructSize == sizeof(EoBFlyingObject)); + EoBFlyingObject *f = new EoBFlyingObject[_numFlyingObjects]; + memcpy(f, _flyingObjectsPtr, sizeof(EoBFlyingObject) * _numFlyingObjects); + return f; +} + +void KyraRpgEngine::restoreFlyingObjectTempData(LevelTempData *tmp) { + assert(_flyingObjectStructSize == sizeof(EoBFlyingObject)); + memcpy(_flyingObjectsPtr, tmp->flyingObjects, sizeof(EoBFlyingObject) * _numFlyingObjects); +} + +void KyraRpgEngine::releaseFlyingObjectTempData(LevelTempData *tmp) { + EoBFlyingObject *p = (EoBFlyingObject *)tmp->flyingObjects; + delete[] p; +} + +} // End of namespace Kyra + +#endif // ENABLE_EOB || ENABLE_LOL |