Initial commit

engines/tetraedge/te/te_marker.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 "tetraedge/te/te_marker.h"
+
+namespace Tetraedge {
+
+TeMarker::TeMarker() : _visible(true), _isActive(false), _zLoc(0) {
+}
+
+void TeMarker::active(bool val) {
+	_isActive = val;
+	_button.setVisible(_visible && val);
+}
+
+void TeMarker::update(TeCamera &camera) {
+	_button.setVisible(true);
+	if (!_visible)
+		return;
+	const TeVector3f32 transformLoc = camera.projectPoint3f32(_loc);
+	const TeVector3f32 btnSize = _button.size();
+	_button.setPositionType(TeILayout::ABSOLUTE);
+	float vpWidth = camera.getViewportWidth();
+	float vpHeight = camera.getViewportHeight();
+	if (transformLoc.z() < 1.0f) {
+		// Behind the camera, move off-screen.
+		_button.setPosition(TeVector3f32(-btnSize.x() - vpWidth / 2, -btnSize.y() - vpHeight / 2, _zLoc));
+	} else {
+		TeVector3f32 buttonMiddle(transformLoc.x() - btnSize.x() / 2 - vpWidth / 2, transformLoc.y() - btnSize.y() / 2  - vpHeight / 2, _zLoc);
+		// Note: device rotation is taken account of here in original, skip that.
+		// Original also uses scales 480 and 320, but that makes it too small
+		// in HD.
+		//TeVector3f32 newScale(480.0f / vpWidth, 320.0f / vpHeight, 1.0);
+		//_button.setScale(newScale);
+		_button.setPosition(TeVector3f32(buttonMiddle.x(), buttonMiddle.y(), buttonMiddle.z()));
+		/*debug("Updated button pos to %s (transformed %s middle %s)", _button.position().dump().c_str(), transformLoc.dump().c_str(), buttonMiddle.dump().c_str());*/
+	}
+}
+
+void TeMarker::visible(bool vis) {
+	_visible = vis;
+	bool buttonVis = (vis && _isActive);
+	_button.setVisible(buttonVis);
+}
+
+} // end namespace Tetraedge