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Update osg::Camera's viewport when it is created.

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This fixes a problem where /sim/startup/[xy]size were not set properly
because the GUI camera's viewport was not correct at startup.
This commit is contained in:
timoore 2008-11-19 22:55:42 +00:00
parent 12cf1c41ad
commit 8afab2045b
2 changed files with 17 additions and 4 deletions
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17
src/Main/CameraGroup.cxx
View file

@ -112,6 +112,16 @@ void installCullVisitor(Camera* camera)
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,
@ -156,9 +166,9 @@ void CameraGroup::update(const osg::Vec3d& position,
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;
@ -175,8 +185,6 @@ void CameraGroup::update(const osg::Vec3d& position,
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,
@ -415,6 +423,7 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
// Disable statistics for the GUI camera.
result->camera->setStats(0);
updateCameras(result);
return result;
}

4
src/Main/CameraGroup.hxx
View file

@ -76,6 +76,10 @@ struct CameraInfo : public osg::Referenced
double height;
};
/** Update the OSG cameras from the camera info.
*/
void updateCameras(const CameraInfo* info);
class CameraGroup : public osg::Referenced
{
public: