1 files changed, 74 insertions, 0 deletions
diff --git a/engines/bladerunner/game_flags.cpp b/engines/bladerunner/game_flags.cpp
new file mode 100644
index 0000000000..81fe6a0a4f
--- /dev/null
+++ b/engines/bladerunner/game_flags.cpp
@@ -0,0 +1,74 @@
+/* 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/game_flags.h"
+
+#include "common/debug.h"
+
+namespace BladeRunner {
+
+GameFlags::GameFlags()
+	: _flags(nullptr), _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) {
+#if BLADERUNNER_DEBUG_CONSOLE
+	debug("GameFlags::set(%d)", flag);
+#endif
+
+	assert(flag >= 0 && flag <= _flagCount);
+
+	_flags[flag / 32] |= (1 << (flag % 32));
+}
+
+void GameFlags::reset(int flag) {
+#if BLADERUNNER_DEBUG_CONSOLE
+	debug("GameFlags::reset(%d)", flag);
+#endif
+
+	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)));
+}
+
+} // End of namespace BladeRunner