Initial commit

engines/mediastation/actors/timer.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 "mediastation/mediastation.h"
+#include "mediastation/debugchannels.h"
+
+#include "mediastation/actors/timer.h"
+
+namespace MediaStation {
+
+ScriptValue TimerActor::callMethod(BuiltInMethod methodId, Common::Array<ScriptValue> &args) {
+	ScriptValue returnValue;
+
+	switch (methodId) {
+	case kTimePlayMethod: {
+		assert(args.size() == 0);
+		timePlay();
+		return returnValue;
+	}
+
+	case kTimeStopMethod: {
+		assert(args.size() == 0);
+		timeStop();
+		return returnValue;
+	}
+
+	case kIsPlayingMethod: {
+		assert(args.size() == 0);
+		returnValue.setToBool(_isPlaying);
+		return returnValue;
+	}
+
+	default:
+		return Actor::callMethod(methodId, args);
+	}
+}
+
+void TimerActor::timePlay() {
+	_isPlaying = true;
+	_startTime = g_system->getMillis();
+	_lastProcessedTime = 0;
+
+	// Get the duration of the timer.
+	// TODO: Is there a better way to find out what the max time is? Do we have to look
+	// through each of the timer event handlers to figure it out?
+	_duration = 0;
+	const Common::Array<EventHandler *> &timeHandlers = _eventHandlers.getValOrDefault(kTimerEvent);
+	for (EventHandler *timeEvent : timeHandlers) {
+		// Indeed float, not time.
+		double timeEventInFractionalSeconds = timeEvent->_argumentValue.asFloat();
+		uint timeEventInMilliseconds = timeEventInFractionalSeconds * 1000;
+		if (timeEventInMilliseconds > _duration) {
+			_duration = timeEventInMilliseconds;
+		}
+	}
+
+	debugC(5, kDebugScript, "Timer::timePlay(): Now playing for %d ms", _duration);
+}
+
+void TimerActor::timeStop() {
+	if (!_isPlaying) {
+		return;
+	}
+
+	_isPlaying = false;
+	_startTime = 0;
+	_lastProcessedTime = 0;
+}
+
+void TimerActor::process() {
+	if (_isPlaying) {
+		processTimeEventHandlers();
+	}
+}
+
+} // End of namespace MediaStation