#include "WindowBuilder.hxx"
#include "WindowSystemAdapter.hxx"
#include <simgear/props/props.hxx>
+#include <simgear/structure/OSGUtils.hxx>
#include <simgear/scene/util/RenderConstants.hxx>
#include <algorithm>
namespace flightgear
{
+void updateCameras(const CameraInfo* info)
+{
+ if (info->camera.valid())
+ info->camera->getViewport()->setViewport(info->x, info->y,
+ info->width, info->height);
+ if (info->farCamera.valid())
+ info->farCamera->getViewport()->setViewport(info->x, info->y,
+ info->width, info->height);
+}
+
CameraInfo* CameraGroup::addCamera(unsigned flags, Camera* camera,
const Matrix& view,
const Matrix& projection,
Camera* farCamera = 0;
if ((flags & (GUI | ORTHO)) == 0) {
- farCamera = osg::clone(camera);
+ farCamera = new Camera;
+ farCamera->setAllowEventFocus(camera->getAllowEventFocus());
farCamera->setGraphicsContext(camera->getGraphicsContext());
+ farCamera->setCullingMode(camera->getCullingMode());
+ farCamera->setInheritanceMask(camera->getInheritanceMask());
+ farCamera->setReferenceFrame(Transform::ABSOLUTE_RF);
// Each camera's viewport is written when the window is
// resized; if the the viewport isn't copied here, it gets updated
// twice and ends up with the wrong value.
- farCamera->setViewport(osg::clone(camera->getViewport()));
+ farCamera->setViewport(simgear::clone(camera->getViewport()));
_viewer->addSlave(farCamera, view, projection, useMasterSceneData);
installCullVisitor(farCamera);
info->farCamera = farCamera;
info->farSlaveIndex = _viewer->getNumSlaves() - 1;
- farCamera->setRenderOrder(Camera::NESTED_RENDER, info->farSlaveIndex);
+ farCamera->setRenderOrder(Camera::POST_RENDER, info->farSlaveIndex);
camera->setCullMask(camera->getCullMask() & ~simgear::BACKGROUND_BIT);
+ camera->setClearMask(GL_DEPTH_BUFFER_BIT);
}
- camera->setClearMask(GL_DEPTH_BUFFER_BIT);
_viewer->addSlave(camera, view, projection, useMasterSceneData);
installCullVisitor(camera);
info->camera = camera;
info->slaveIndex = _viewer->getNumSlaves() - 1;
- camera->setRenderOrder(Camera::NESTED_RENDER, info->slaveIndex);
+ camera->setRenderOrder(Camera::POST_RENDER, info->slaveIndex);
_cameras.push_back(info);
return info;
}
for (CameraList::iterator i = _cameras.begin(); i != _cameras.end(); ++i) {
const CameraInfo* info = i->get();
const View::Slave& slave = _viewer->getSlave(info->slaveIndex);
+ // refreshes camera viewports (for now)
+ updateCameras(info);
Camera* camera = info->camera.get();
- camera->getViewport()->setViewport(info->x, info->y, info->width,
- info->height);
Matrix viewMatrix;
if ((info->flags & VIEW_ABSOLUTE) != 0)
viewMatrix = slave._viewOffset;
camera->setProjectionMatrix(projectionMatrix);
} else {
Camera* farCamera = info->farCamera.get();
- farCamera->getViewport()->setViewport(info->x, info->y, info->width,
- info->height);
farCamera->setViewMatrix(viewMatrix);
double left, right, bottom, top, parentNear, parentFar;
projectionMatrix.getFrustum(left, right, bottom, top,
parentNear, parentFar);
- if (parentFar < 100.0) {
+ if (parentFar < _nearField || _nearField == 0.0f) {
camera->setProjectionMatrix(projectionMatrix);
camera->setCullMask(camera->getCullMask()
| simgear::BACKGROUND_BIT);
+ camera->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
farCamera->setNodeMask(0);
} else {
Matrix nearProj, farProj;
- makeNewProjMat(projectionMatrix, parentNear, 100.0, nearProj);
- makeNewProjMat(projectionMatrix, 100.0, parentFar, farProj);
+ makeNewProjMat(projectionMatrix, parentNear, _nearField,
+ nearProj);
+ makeNewProjMat(projectionMatrix, _nearField, parentFar,
+ farProj);
camera->setProjectionMatrix(nearProj);
camera->setCullMask(camera->getCullMask()
& ~simgear::BACKGROUND_BIT);
+ camera->setClearMask(GL_DEPTH_BUFFER_BIT);
farCamera->setProjectionMatrix(farProj);
farCamera->setNodeMask(camera->getNodeMask());
}
void CameraGroup::setCameraParameters(float vfov, float aspectRatio)
{
- const float zNear = .1f;
- const float zFar = 120000.0f;
_viewer->getCamera()->setProjectionMatrixAsPerspective(vfov,
1.0f / aspectRatio,
- zNear, zFar);
+ _zNear, _zFar);
}
}
// of mouse events are somewhat bizzare.
SGPropertyNode* viewportNode = cameraNode->getNode("viewport", true);
buildViewport(info, viewportNode, window->gc->getTraits());
+ updateCameras(info);
return info;
}
// Disable statistics for the GUI camera.
result->camera->setStats(0);
+ updateCameras(result);
return result;
}
cgroup->buildGUICamera(pNode);
}
}
+ bindMemberToNode(gnode, "znear", cgroup, &CameraGroup::_zNear, .4f);
+ bindMemberToNode(gnode, "zfar", cgroup, &CameraGroup::_zFar, 120000.0f);
+ bindMemberToNode(gnode, "near-field", cgroup, &CameraGroup::_nearField,
+ 100.0f);
return cgroup;
}
void CameraGroup::setCameraCullMasks(Node::NodeMask nm)
{
for (CameraIterator i = camerasBegin(), e = camerasEnd(); i != e; ++i) {
- if ((*i)->flags & GUI)
+ CameraInfo* info = i->get();
+ if (info->flags & GUI)
continue;
- (*i)->camera->setCullMask(nm & ~simgear::BACKGROUND_BIT);
- (*i)->farCamera->setCullMask(nm);
+ if (info->farCamera.valid() && info->farCamera->getNodeMask() != 0) {
+ info->camera->setCullMask(nm & ~simgear::BACKGROUND_BIT);
+ info->farCamera->setCullMask(nm);
+ } else {
+ info->camera->setCullMask(nm);
+ }
+ }
+}
+
+void CameraGroup::resized()
+{
+ for (CameraIterator i = camerasBegin(), e = camerasEnd(); i != e; ++i) {
+ CameraInfo *info = i->get();
+ const Viewport* viewport = info->camera->getViewport();
+ info->x = viewport->x();
+ info->y = viewport->y();
+ info->width = viewport->width();
+ info->height = viewport->height();
}
}
&& y >= viewport->y() - epsilon
&& y < viewport->y() + viewport->height() -1.0 + epsilon))
continue;
- LineSegmentIntersector::CoordinateFrame cf = Intersector::WINDOW;
+ Vec4d start(x, y, 0.0, 1.0);
+ Vec4d end(x, y, 1.0, 1.0);
+ Matrix windowMat = viewport->computeWindowMatrix();
+ Matrix startPtMat = Matrix::inverse(camera->getProjectionMatrix()
+ * windowMat);
+ Matrix endPtMat;
+ if (!cinfo->farCamera.valid() || cinfo->farCamera->getNodeMask() == 0)
+ endPtMat = startPtMat;
+ else
+ endPtMat = Matrix::inverse(cinfo->farCamera->getProjectionMatrix()
+ * windowMat);
+ start = start * startPtMat;
+ start /= start.w();
+ end = end * endPtMat;
+ end /= end.w();
ref_ptr<LineSegmentIntersector> picker
- = new LineSegmentIntersector(cf, x, y);
+ = new LineSegmentIntersector(Intersector::VIEW,
+ Vec3d(start.x(), start.y(), start.z()),
+ Vec3d(end.x(), end.y(), end.z()));
osgUtil::IntersectionVisitor iv(picker.get());
const_cast<Camera*>(camera)->accept(iv);
if (picker->containsIntersections()) {