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/* 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
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