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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "bladerunner/game_flags.h"
#include "bladerunner/savefile.h"
#include "common/debug.h"
namespace BladeRunner {
GameFlags::GameFlags()
: _flags(nullptr), _flagCount(0) {
}
GameFlags::~GameFlags() {
delete[] _flags;
}
void GameFlags::clear() {
for (int i = 0; i <= _flagCount; ++i) {
reset(i);
}
}
void GameFlags::setFlagCount(int count) {
assert(count > 0);
_flagCount = count;
_flags = new uint32[count / 32 + 1]();
clear();
}
void GameFlags::set(int flag) {
assert(flag >= 0 && flag <= _flagCount);
_flags[flag / 32] |= (1 << (flag % 32));
}
void GameFlags::reset(int flag) {
assert(flag >= 0 && flag <= _flagCount);
_flags[flag / 32] &= ~(1 << (flag % 32));
}
bool GameFlags::query(int flag) const {
//debug("GameFlags::query(%d): %d", flag, !!(flags[flag / 32] & (1 << (flag % 32))));
assert(flag >= 0 && flag <= _flagCount);
return !!(_flags[flag / 32] & (1 << (flag % 32)));
}
void GameFlags::save(SaveFileWriteStream &f) {
for (int i = 0; i != _flagCount / 32 + 1; ++i) {
f.writeUint32LE(_flags[i]);
}
}
void GameFlags::load(SaveFileReadStream &f) {
for (int i = 0; i != _flagCount / 32 + 1; ++i) {
_flags[i] = f.readUint32LE();
}
}
} // End of namespace BladeRunner
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