Merge branch 'zvision'

This merges pull request 395 for the ZVision engine developed during
GSoC2013.

1 files changed, 59 insertions, 0 deletions

diff --git a/engines/zvision/timer_node.cpp b/engines/zvision/timer_node.cpp
new file mode 100644
index 0000000000..55dfa51dfe
--- /dev/null
+++ b/engines/zvision/timer_node.cpp
@@ -0,0 +1,59 @@
+/* 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 "common/scummsys.h"
+
+#include "zvision/timer_node.h"
+
+#include "zvision/zvision.h"
+#include "zvision/script_manager.h"
+
+#include "common/stream.h"
+
+
+namespace ZVision {
+
+TimerNode::TimerNode(ZVision *engine, uint32 key, uint timeInSeconds) 
+	: Control(engine, key), _timeLeft(timeInSeconds * 1000) {
+}
+
+bool TimerNode::process(uint32 deltaTimeInMillis) {
+	_timeLeft -= deltaTimeInMillis;
+
+	if (_timeLeft <= 0) {
+		_engine->getScriptManager()->setStateValue(_key, 0);
+		return true;
+	}
+
+	return false;
+}
+
+void TimerNode::serialize(Common::WriteStream *stream) {
+	stream->writeUint32LE(_key);
+	stream->writeUint32LE(_timeLeft);
+}
+
+void TimerNode::deserialize(Common::SeekableReadStream *stream) {
+	_timeLeft = stream->readUint32LE();
+}
+
+} // End of namespace ZVision