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Diffstat (limited to 'engines/bladerunner/gameflags.cpp')
-rw-r--r-- | engines/bladerunner/gameflags.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/engines/bladerunner/gameflags.cpp b/engines/bladerunner/gameflags.cpp new file mode 100644 index 0000000000..db4271d9d5 --- /dev/null +++ b/engines/bladerunner/gameflags.cpp @@ -0,0 +1,68 @@ +/* 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 |