BLADERUNNER: Add Game Time class

Not yet used.

1 files changed, 68 insertions, 0 deletions

diff --git a/engines/bladerunner/time.cpp b/engines/bladerunner/time.cpp
new file mode 100644
index 0000000000..a395a811d1
--- /dev/null
+++ b/engines/bladerunner/time.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/time.h"
+
+#include "bladerunner/bladerunner.h"
+
+#include "common/timer.h"
+
+namespace BladeRunner {
+
+Time::Time(BladeRunnerEngine *vm) {
+	_vm = vm;
+
+	_start = _vm->getTotalPlayTime();
+	_pauseCount = 0;
+	_offset = 0;
+	_pauseStart = 0;
+}
+
+int Time::current() {
+	int time = _vm->getTotalPlayTime() - _offset;
+	return time - _start;
+}
+
+int Time::pause() {
+	if (_pauseCount == 0) {
+		_pauseStart = current();
+	}
+	return ++_pauseCount;
+}
+
+int Time::getPauseStart() {
+	return _pauseStart;
+}
+
+int Time::unpause() {
+	assert(_pauseCount > 0);
+	if (--_pauseCount == 0) {
+		_offset += current() - _pauseStart;
+	}
+	return _pauseCount;
+}
+
+bool Time::isLocked() {
+	return _pauseCount > 0;
+}
+
+} // End of namespace BladeRunner