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2022-10-20 20:29:11 +08:00
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+// Copyright (C) 2009 - 2012  Mathias Froehlich - Mathias.Froehlich@web.de
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "HLAPerspectiveCamera.hxx"
+
+#include "HLAPerspectiveCameraClass.hxx"
+
+namespace fgviewer {
+
+HLAPerspectiveCamera::HLAPerspectiveCamera(HLAPerspectiveCameraClass* objectClass) :
+    HLACamera(objectClass)
+{
+}
+
+HLAPerspectiveCamera::~HLAPerspectiveCamera()
+{
+}
+
+void
+HLAPerspectiveCamera::reflectAttributeValues(const simgear::HLAIndexList& indexList, const simgear::RTIData& tag)
+{
+    HLACamera::reflectAttributeValues(indexList, tag);
+    /// Here push data to the osg viewer side
+}
+
+void
+HLAPerspectiveCamera::reflectAttributeValues(const simgear::HLAIndexList& indexList, const SGTimeStamp& timeStamp, const simgear::RTIData& tag)
+{
+    HLACamera::reflectAttributeValues(indexList, timeStamp, tag);
+    /// Here push data to the osg viewer side
+}
+
+void
+HLAPerspectiveCamera::createAttributeDataElements()
+{
+    HLACamera::createAttributeDataElements();
+
+    assert(dynamic_cast<HLAPerspectiveCameraClass*>(getObjectClass().get()));
+    HLAPerspectiveCameraClass& objectClass = static_cast<HLAPerspectiveCameraClass&>(*getObjectClass());
+
+    setAttributeDataElement(objectClass.getLeftIndex(), _left.getDataElement());
+    setAttributeDataElement(objectClass.getRightIndex(), _right.getDataElement());
+    setAttributeDataElement(objectClass.getBottomIndex(), _bottom.getDataElement());
+    setAttributeDataElement(objectClass.getTopIndex(), _top.getDataElement());
+    setAttributeDataElement(objectClass.getDistanceIndex(), _distance.getDataElement());
+}
+
+Frustum
+HLAPerspectiveCamera::getFrustum() const
+{
+    return Frustum(getLeft(), getRight(), getBottom(), getTop(), getDistance());
+}
+
+void
+HLAPerspectiveCamera::setFrustum(const Frustum& frustum)
+{
+    setLeft(frustum._left);
+    setRight(frustum._right);
+    setBottom(frustum._bottom);
+    setTop(frustum._top);
+    setDistance(frustum._near);
+}
+
+} // namespace fgviewer