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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.
*
*/
#include "bladerunner/gameflags.h"
#include "common/debug.h"
namespace BladeRunner {
GameFlags::GameFlags()
: flags(NULL), flagCount(0) {
}
GameFlags::~GameFlags() {
delete[] flags;
}
void GameFlags::setFlagCount(int count) {
assert(count > 0);
flagCount = count;
flags = new uint32[count / 32 + 1];
for (int i = 0; i <= flagCount; ++i)
reset(i);
}
void GameFlags::set(int flag) {
debug("GameFlags::set(%d)", flag);
assert(flag >= 0 && flag <= flagCount);
flags[flag / 32] |= (1 << (flag % 32));
}
void GameFlags::reset(int flag) {
debug("GameFlags::reset(%d)", flag);
assert(flag >= 0 && flag <= flagCount);
flags[flag / 32] &= ~(1 << (flag % 32));
}
bool GameFlags::query(int flag) {
debug("GameFlags::query(%d): %d", flag, !!(flags[flag / 32] & (1 << (flag % 32))));
assert(flag >= 0 && flag <= flagCount);
return !!(flags[flag / 32] & (1 << (flag % 32)));
}
} // End of namespace BladeRunner
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