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https://github.com/libretro/scummvm.git
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128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#if defined(ENABLE_EOB) || defined(ENABLE_LOL)
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#include "kyra/resource.h"
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#include "kyra/script_eob.h"
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#include "common/system.h"
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#include "common/savefile.h"
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#include "common/substream.h"
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namespace Kyra {
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void KyraRpgEngine::generateTempData() {
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int l = _currentLevel - 1;
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if (_lvlTempData[l]) {
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delete[] _lvlTempData[l]->wallsXorData;
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delete[] _lvlTempData[l]->flags;
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releaseMonsterTempData(_lvlTempData[l]);
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releaseFlyingObjectTempData(_lvlTempData[l]);
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releaseWallOfForceTempData(_lvlTempData[l]);
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delete _lvlTempData[l];
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}
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_lvlTempData[l] = new LevelTempData;
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_lvlTempData[l]->wallsXorData = new uint8[4096];
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_lvlTempData[l]->flags = new uint16[1024];
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const uint8 *p = getBlockFileData(_currentLevel);
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uint16 len = READ_LE_UINT16(p + 4);
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p += 6;
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memset(_lvlTempData[l]->wallsXorData, 0, 4096);
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memset(_lvlTempData[l]->flags, 0, 1024 * sizeof(uint16));
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uint8 *d = _lvlTempData[l]->wallsXorData;
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uint16 *df = _lvlTempData[l]->flags;
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for (int i = 0; i < 1024; i++) {
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for (int ii = 0; ii < 4; ii++)
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*d++ = p[i * len + ii] ^ _levelBlockProperties[i].walls[ii];
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*df++ = _levelBlockProperties[i].flags;
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}
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_lvlTempData[l]->monsters = generateMonsterTempData(_lvlTempData[l]);
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_lvlTempData[l]->flyingObjects = generateFlyingObjectTempData(_lvlTempData[l]);
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_lvlTempData[l]->wallsOfForce = generateWallOfForceTempData(_lvlTempData[l]);
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_hasTempDataFlags |= (1 << l);
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}
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void KyraRpgEngine::restoreBlockTempData(int levelIndex) {
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int l = levelIndex - 1;
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const uint8 *p = getBlockFileData(levelIndex);
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uint16 len = READ_LE_UINT16(p + 4);
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p += 6;
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memset(_levelBlockProperties, 0, 1024 * sizeof(LevelBlockProperty));
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uint8 *t = _lvlTempData[l]->wallsXorData;
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uint16 *t2 = _lvlTempData[l]->flags;
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for (int i = 0; i < 1024; i++) {
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for (int ii = 0; ii < 4; ii++)
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_levelBlockProperties[i].walls[ii] = p[i * len + ii] ^ *t++;
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_levelBlockProperties[i].flags = *t2++;
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}
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restoreMonsterTempData(_lvlTempData[l]);
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restoreFlyingObjectTempData(_lvlTempData[l]);
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restoreWallOfForceTempData(_lvlTempData[l]);
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}
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void KyraRpgEngine::releaseTempData() {
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for (int i = 0; i < 29; i++) {
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if (_lvlTempData[i]) {
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delete[] _lvlTempData[i]->wallsXorData;
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delete[] _lvlTempData[i]->flags;
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releaseMonsterTempData(_lvlTempData[i]);
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releaseFlyingObjectTempData(_lvlTempData[i]);
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releaseWallOfForceTempData(_lvlTempData[i]);
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delete _lvlTempData[i];
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_lvlTempData[i] = 0;
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}
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}
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}
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void *KyraRpgEngine::generateFlyingObjectTempData(LevelTempData *tmp) {
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assert(_flyingObjectStructSize == sizeof(EoBFlyingObject));
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EoBFlyingObject *f = new EoBFlyingObject[_numFlyingObjects];
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memcpy(f, _flyingObjectsPtr, sizeof(EoBFlyingObject) * _numFlyingObjects);
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return f;
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}
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void KyraRpgEngine::restoreFlyingObjectTempData(LevelTempData *tmp) {
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assert(_flyingObjectStructSize == sizeof(EoBFlyingObject));
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memcpy(_flyingObjectsPtr, tmp->flyingObjects, sizeof(EoBFlyingObject) * _numFlyingObjects);
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}
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void KyraRpgEngine::releaseFlyingObjectTempData(LevelTempData *tmp) {
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EoBFlyingObject *p = (EoBFlyingObject *)tmp->flyingObjects;
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delete[] p;
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}
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} // End of namespace Kyra
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#endif // ENABLE_EOB || ENABLE_LOL
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