scummvm/engines/lastexpress/game/state.cpp
2011-06-28 22:54:51 -04:00

80 lines
2.2 KiB
C++

/* 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.
*
*/
#include "lastexpress/game/state.h"
#include "lastexpress/game/inventory.h"
#include "lastexpress/game/object.h"
#include "lastexpress/game/savepoint.h"
#include "lastexpress/lastexpress.h"
namespace LastExpress {
State::State(LastExpressEngine *engine) : _engine(engine), _timer(0) {
_inventory = new Inventory(engine);
_objects = new Objects(engine);
_savepoints = new SavePoints(engine);
_state = new GameState();
_flags = new Flags();
}
State::~State() {
SAFE_DELETE(_inventory);
SAFE_DELETE(_objects);
SAFE_DELETE(_savepoints);
SAFE_DELETE(_state);
SAFE_DELETE(_flags);
// Zero passed pointers
_engine = NULL;
}
bool State::isNightTime() const {
return (_state->progress.chapter == kChapter1
|| _state->progress.chapter == kChapter4
|| (_state->progress.chapter == kChapter5 && !_state->progress.isNightTime));
}
void State::getHourMinutes(uint32 time, uint8 *hours, uint8 *minutes) {
if (hours == NULL || minutes == NULL)
error("[State::getHourMinutes] Invalid parameters passed");
*hours = (uint8)((time % 1296000) / 54000);
*minutes = (uint8)((time % 54000) / 900);
}
uint32 State::getPowerOfTwo(uint32 x) {
if (!x || (x & 1))
return 0;
uint32 num = 0;
do {
x >>= 1;
num++;
} while ((x & 1) == 0);
return num;
}
} // End of namespace LastExpress