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Inherit the view point from main camera for water RTT cameras

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bzzt 2019-02-20 13:37:00 +00:00 committed by Andrei Kortunov
parent 489e5c6cce
commit e908790584
2 changed files with 19 additions and 1 deletions
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19
apps/openmw/mwrender/water.cpp
View file

@ -161,6 +161,23 @@ private:
osg::Plane mPlane; osg::Plane mPlane;
}; };
/// This callback on the Camera has the effect of a RELATIVE_RF_INHERIT_VIEWPOINT transform mode (which does not exist in OSG).
/// We want to keep the View Point of the parent camera so we will not have to recreate LODs.
class InheritViewPointCallback : public osg::NodeCallback
{
public:
InheritViewPointCallback() {}
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
osgUtil::CullVisitor* cv = static_cast<osgUtil::CullVisitor*>(nv);
osg::ref_ptr<osg::RefMatrix> modelViewMatrix = new osg::RefMatrix(*cv->getModelViewMatrix());
cv->popModelViewMatrix();
cv->pushModelViewMatrix(modelViewMatrix, osg::Transform::ABSOLUTE_RF_INHERIT_VIEWPOINT);
traverse(node, nv);
}
};
/// Moves water mesh away from the camera slightly if the camera gets too close on the Z axis. /// Moves water mesh away from the camera slightly if the camera gets too close on the Z axis.
/// The offset works around graphics artifacts that occurred with the GL_DEPTH_CLAMP when the camera gets extremely close to the mesh (seen on NVIDIA at least). /// The offset works around graphics artifacts that occurred with the GL_DEPTH_CLAMP when the camera gets extremely close to the mesh (seen on NVIDIA at least).
/// Must be added as a Cull callback. /// Must be added as a Cull callback.
@ -224,6 +241,7 @@ public:
setReferenceFrame(osg::Camera::RELATIVE_RF); setReferenceFrame(osg::Camera::RELATIVE_RF);
setSmallFeatureCullingPixelSize(Settings::Manager::getInt("small feature culling pixel size", "Water")); setSmallFeatureCullingPixelSize(Settings::Manager::getInt("small feature culling pixel size", "Water"));
setName("RefractionCamera"); setName("RefractionCamera");
setCullCallback(new InheritViewPointCallback);
setCullMask(Mask_Effect|Mask_Scene|Mask_Object|Mask_Static|Mask_Terrain|Mask_Actor|Mask_ParticleSystem|Mask_Sky|Mask_Sun|Mask_Player|Mask_Lighting); setCullMask(Mask_Effect|Mask_Scene|Mask_Object|Mask_Static|Mask_Terrain|Mask_Actor|Mask_ParticleSystem|Mask_Sky|Mask_Sun|Mask_Player|Mask_Lighting);
setNodeMask(Mask_RenderToTexture); setNodeMask(Mask_RenderToTexture);
@ -315,6 +333,7 @@ public:
setReferenceFrame(osg::Camera::RELATIVE_RF); setReferenceFrame(osg::Camera::RELATIVE_RF);
setSmallFeatureCullingPixelSize(Settings::Manager::getInt("small feature culling pixel size", "Water")); setSmallFeatureCullingPixelSize(Settings::Manager::getInt("small feature culling pixel size", "Water"));
setName("ReflectionCamera"); setName("ReflectionCamera");
setCullCallback(new InheritViewPointCallback);
int reflectionDetail = Settings::Manager::getInt("reflection detail", "Water"); int reflectionDetail = Settings::Manager::getInt("reflection detail", "Water");
reflectionDetail = std::min(4, std::max(isInterior ? 2 : 0, reflectionDetail)); reflectionDetail = std::min(4, std::max(isInterior ? 2 : 0, reflectionDetail));

1
components/terrain/viewdata.cpp
View file

@ -132,7 +132,6 @@ ViewData *ViewDataMap::getViewData(osg::Object *viewer, const osg::Vec3f& viewPo
if (found == mViews.end()) if (found == mViews.end())
{ {
vd = createOrReuseView(); vd = createOrReuseView();
vd->setViewer(viewer);
mViews[viewer] = vd; mViews[viewer] = vd;
} }
else else