Initial commit

engines/pink/objects/actions/walk_action.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 "pink/archive.h"
+#include "pink/cel_decoder.h"
+#include "pink/pink.h"
+#include "pink/objects/actions/walk_action.h"
+#include "pink/objects/actors/actor.h"
+
+namespace Pink {
+
+void WalkAction::deserialize(Archive &archive) {
+	ActionCEL::deserialize(archive);
+	uint32 calcFramePositions = archive.readDWORD();
+	_toCalcFramePositions = calcFramePositions;
+}
+
+void WalkAction::toConsole() const {
+	debugC(6, kPinkDebugLoadingObjects, "\tWalkAction: _name = %s, _fileName = %s, _calcFramePositions = %u",
+		  _name.c_str(), _fileName.c_str(), _toCalcFramePositions);
+}
+
+void WalkAction::onStart() {
+	if (_toCalcFramePositions) {
+		_start = _mgr->getStartCoords().point;
+		_end = _mgr->getEndCoords().point;
+
+		if (!_horizontal) {
+			_end.y = getCoordinates().point.y;
+			_start.y = _end.y;
+			_frameCount = _decoder.getFrameCount();
+		}
+		else {
+			_frameCount = (uint)abs(3 * (_start.x - _end.x) / (int)_z);
+			if (!_frameCount)
+				_frameCount = 1;
+		}
+		setCenter(_start);
+		_curFrame = 0;
+	}
+}
+
+void WalkAction::update() {
+	if (_toCalcFramePositions) {
+		if (_curFrame < _frameCount)
+			_curFrame++;
+		const double k = _curFrame / (double) _frameCount;
+		Common::Point newCenter;
+		newCenter.x = (_end.x - _start.x) * k + _start.x;
+		if (_horizontal) {
+			newCenter.y = (_end.y - _start.y) * k + _start.y;
+		} else {
+			newCenter.y = getCoordinates().point.y;
+		}
+		if (_decoder.getCurFrame() < (int)_decoder.getFrameCount() - 1)
+			decodeNext();
+		else {
+			setFrame(0);
+		}
+		setCenter(newCenter);
+		if (_curFrame >= _frameCount - 1) {
+			_decoder.setEndOfTrack();
+			_actor->endAction();
+		}
+	} else {
+		if (_decoder.getCurFrame() < (int)_decoder.getFrameCount() - 1)
+			decodeNext();
+		else {
+			_decoder.setEndOfTrack();
+			_actor->endAction();
+		}
+	}
+}
+
+} // End of namespace Pink