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69 lines
1.8 KiB
C++
69 lines
1.8 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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*
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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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*
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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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#include "bladerunner/gameflags.h"
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#include "common/debug.h"
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namespace BladeRunner {
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GameFlags::GameFlags()
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: flags(NULL), flagCount(0) {
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}
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GameFlags::~GameFlags() {
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delete[] flags;
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}
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void GameFlags::setFlagCount(int count) {
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assert(count > 0);
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flagCount = count;
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flags = new uint32[count / 32 + 1];
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for (int i = 0; i <= flagCount; ++i)
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reset(i);
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}
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void GameFlags::set(int flag) {
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debug("GameFlags::set(%d)", flag);
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assert(flag >= 0 && flag <= flagCount);
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flags[flag / 32] |= (1 << (flag % 32));
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}
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void GameFlags::reset(int flag) {
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debug("GameFlags::reset(%d)", flag);
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assert(flag >= 0 && flag <= flagCount);
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flags[flag / 32] &= ~(1 << (flag % 32));
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}
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bool GameFlags::query(int flag) {
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debug("GameFlags::query(%d): %d", flag, !!(flags[flag / 32] & (1 << (flag % 32))));
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assert(flag >= 0 && flag <= flagCount);
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return !!(flags[flag / 32] & (1 << (flag % 32)));
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}
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} // End of namespace BladeRunner
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