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engines/illusions/duckman/propertytimers.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 "illusions/duckman/illusions_duckman.h"
+#include "illusions/duckman/propertytimers.h"
+#include "illusions/resources/scriptresource.h"
+#include "illusions/time.h"
+#include "illusions/updatefunctions.h"
+#include "engines/util.h"
+
+namespace Illusions {
+
+// PropertyTimers
+
+PropertyTimers::PropertyTimers(IllusionsEngine_Duckman *vm) {
+	_vm = vm;
+	_propertyTimersActive = false;
+	_propertyTimersPaused = false;
+}
+
+PropertyTimers::~PropertyTimers() {
+}
+
+void PropertyTimers::addPropertyTimer(uint32 propertyId) {
+	PropertyTimer *propertyTimer;
+	if (findPropertyTimer(propertyId, propertyTimer) || findPropertyTimer(0, propertyTimer)) {
+		propertyTimer->_propertyId = propertyId;
+		propertyTimer->_startTime = 0;
+		propertyTimer->_duration = 0;
+		propertyTimer->_endTime = 0;
+	}
+}
+
+void PropertyTimers::setPropertyTimer(uint32 propertyId, uint32 duration) {
+	PropertyTimer *propertyTimer;
+	if (findPropertyTimer(propertyId, propertyTimer)) {
+		propertyTimer->_startTime = getCurrentTime();
+		propertyTimer->_duration = duration;
+		propertyTimer->_endTime = duration + propertyTimer->_startTime;
+	}
+	_vm->_scriptResource->_properties.set(propertyId, false);
+	if (!_propertyTimersActive) {
+		_vm->_updateFunctions->add(29, _vm->getCurrentScene(), new Common::Functor1Mem<uint, int, PropertyTimers>
+			(this, &PropertyTimers::updatePropertyTimers));
+		_propertyTimersActive = true;
+	}
+}
+
+void PropertyTimers::removePropertyTimer(uint32 propertyId) {
+	PropertyTimer *propertyTimer;
+	if (findPropertyTimer(propertyId, propertyTimer))
+		propertyTimer->_propertyId = 0;
+	_vm->_scriptResource->_properties.set(propertyId, true);
+}
+
+bool PropertyTimers::findPropertyTimer(uint32 propertyId, PropertyTimer *&propertyTimer) {
+	for (uint i = 0; i < kPropertyTimersCount; ++i) {
+		if (_propertyTimers[i]._propertyId == propertyId) {
+			propertyTimer = &_propertyTimers[i];
+			return true;
+		}
+	}
+	return false;
+}
+
+int PropertyTimers::updatePropertyTimers(uint flags) {
+	int result = kUFNext;
+	uint32 currTime = getCurrentTime();
+	if (_vm->_pauseCtr <= 0) {
+		if (_propertyTimersPaused) {
+			for (uint i = 0; i < kPropertyTimersCount; ++i) {
+				PropertyTimer &propertyTimer = _propertyTimers[i];
+				propertyTimer._startTime = currTime;
+				propertyTimer._endTime = currTime + propertyTimer._duration;
+			}
+			_propertyTimersPaused = false;
+		}
+		if (flags & 1) {
+			_propertyTimersActive = false;
+			_propertyTimersPaused = false;
+			result = kUFTerminate;
+		} else {
+			bool timersActive = false;
+			for (uint i = 0; i < kPropertyTimersCount; ++i) {
+				PropertyTimer &propertyTimer = _propertyTimers[i];
+				if (propertyTimer._propertyId) {
+					timersActive = true;
+					if (!_vm->_scriptResource->_properties.get(propertyTimer._propertyId) &&
+						isTimerExpired(propertyTimer._startTime, propertyTimer._endTime))
+						_vm->_scriptResource->_properties.set(propertyTimer._propertyId, true);
+				}
+			}
+			if (!timersActive) {
+				_propertyTimersActive = false;
+				_propertyTimersPaused = false;
+				result = kUFTerminate;
+			}
+		}
+	} else {
+		if (!_propertyTimersPaused) {
+			for (uint i = 0; i < kPropertyTimersCount; ++i) {
+				PropertyTimer &propertyTimer = _propertyTimers[i];
+				propertyTimer._duration -= getDurationElapsed(propertyTimer._startTime, propertyTimer._endTime);
+			}
+			_propertyTimersPaused = true;
+		}
+		result = kUFNext;
+	}
+	return result;
+}
+
+} // End of namespace Illusions