Initial commit

engines/zvision/scripting/effects/timer_effect.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "common/stream.h"
+#include "zvision/zvision.h"
+#include "zvision/scripting/script_manager.h"
+#include "zvision/scripting/effects/timer_effect.h"
+
+namespace ZVision {
+
+TimerNode::TimerNode(ZVision *engine, uint32 key, uint timeInSeconds)
+	: ScriptingEffect(engine, key, SCRIPTING_EFFECT_TIMER) {
+	_timeLeft = 0;
+
+	if (_engine->getGameId() == GID_NEMESIS)
+		_timeLeft = timeInSeconds * 1000;
+	else if (_engine->getGameId() == GID_GRANDINQUISITOR)
+		_timeLeft = timeInSeconds * 100;
+
+	if (_key != StateKey_NotSet)
+		_engine->getScriptManager()->setStateValue(_key, 1);
+}
+
+TimerNode::~TimerNode() {
+	if (_key != StateKey_NotSet)
+		_engine->getScriptManager()->setStateValue(_key, 2);
+	int32 timeLeft = _timeLeft / (_engine->getGameId() == GID_NEMESIS ? 1000 : 100);
+	if (timeLeft > 0)
+		_engine->getScriptManager()->setStateValue(_key, timeLeft); // If timer was stopped by stop or kill
+}
+
+bool TimerNode::process(uint32 deltaTimeInMillis) {
+	_timeLeft -= deltaTimeInMillis;
+
+	if (_timeLeft <= 0)
+		return stop();
+
+	return false;
+}
+
+bool TimerNode::stop() {
+	if (_key != StateKey_NotSet)
+		_engine->getScriptManager()->setStateValue(_key, 2);
+	return true;
+}
+
+void TimerNode::serialize(Common::WriteStream *stream) {
+	stream->writeUint32BE(MKTAG('T', 'I', 'M', 'R'));
+	stream->writeUint32LE(8); // size
+	stream->writeUint32LE(_key);
+	stream->writeUint32LE(_timeLeft);
+}
+
+void TimerNode::deserialize(Common::SeekableReadStream *stream) {
+	_timeLeft = stream->readUint32LE();
+}
+
+} // End of namespace ZVision