mirror of
https://github.com/TES3MP/openmw-tes3mp.git
synced 2025-01-20 06:23:52 +00:00
Move the declaration of ComputeLightSpaceBounds to the header so that it can be accessed from other compilation units.
(cherry picked from commit 8ac4fb208897a18da4934dd6f2fe84560b44ba9d)
This commit is contained in:
AnyOldName3
parent
6251e0519e
commit
cb6767b4fc
2 changed files with 140 additions and 120 deletions
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@ -227,140 +227,134 @@ namespace SceneUtil
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}
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}
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class ComputeLightSpaceBounds : public osg::NodeVisitor, public osg::CullStack
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MWShadow::ComputeLightSpaceBounds::ComputeLightSpaceBounds(osg::Viewport* viewport, const osg::Matrixd& projectionMatrix, osg::Matrixd& viewMatrix) :
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osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN)
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{
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public:
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ComputeLightSpaceBounds(osg::Viewport* viewport, const osg::Matrixd& projectionMatrix, osg::Matrixd& viewMatrix) :
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osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN)
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setCullingMode(osg::CullSettings::VIEW_FRUSTUM_CULLING);
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pushViewport(viewport);
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pushProjectionMatrix(new osg::RefMatrix(projectionMatrix));
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pushModelViewMatrix(new osg::RefMatrix(viewMatrix), osg::Transform::ABSOLUTE_RF);
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Node& node)
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{
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if (isCulled(node)) return;
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// push the culling mode.
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pushCurrentMask();
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traverse(node);
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// pop the culling mode.
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popCurrentMask();
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Geode& node)
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{
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if (isCulled(node)) return;
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// push the culling mode.
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pushCurrentMask();
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for (unsigned int i = 0; i<node.getNumDrawables(); ++i)
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{
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setCullingMode(osg::CullSettings::VIEW_FRUSTUM_CULLING);
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pushViewport(viewport);
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pushProjectionMatrix(new osg::RefMatrix(projectionMatrix));
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pushModelViewMatrix(new osg::RefMatrix(viewMatrix), osg::Transform::ABSOLUTE_RF);
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}
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void apply(osg::Node& node)
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{
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if (isCulled(node)) return;
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// push the culling mode.
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pushCurrentMask();
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traverse(node);
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// pop the culling mode.
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popCurrentMask();
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}
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void apply(osg::Geode& node)
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{
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if (isCulled(node)) return;
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// push the culling mode.
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pushCurrentMask();
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for (unsigned int i = 0; i<node.getNumDrawables(); ++i)
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if (node.getDrawable(i))
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{
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if (node.getDrawable(i))
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{
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updateBound(node.getDrawable(i)->getBoundingBox());
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}
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updateBound(node.getDrawable(i)->getBoundingBox());
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}
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// pop the culling mode.
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popCurrentMask();
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}
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void apply(osg::Drawable& drawable)
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// pop the culling mode.
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popCurrentMask();
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Drawable& drawable)
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{
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if (isCulled(drawable)) return;
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// push the culling mode.
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pushCurrentMask();
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updateBound(drawable.getBoundingBox());
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// pop the culling mode.
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popCurrentMask();
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Billboard&)
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{
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OSG_INFO << "Warning Billboards not yet supported" << std::endl;
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return;
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Projection&)
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{
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// projection nodes won't affect a shadow map so their subgraphs should be ignored
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return;
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Transform& transform)
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{
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if (isCulled(transform)) return;
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// push the culling mode.
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pushCurrentMask();
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// absolute transforms won't affect a shadow map so their subgraphs should be ignored.
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if (transform.getReferenceFrame() == osg::Transform::RELATIVE_RF)
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{
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if (isCulled(drawable)) return;
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osg::ref_ptr<osg::RefMatrix> matrix = new osg::RefMatrix(*getModelViewMatrix());
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transform.computeLocalToWorldMatrix(*matrix, this);
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pushModelViewMatrix(matrix.get(), transform.getReferenceFrame());
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// push the culling mode.
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pushCurrentMask();
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traverse(transform);
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updateBound(drawable.getBoundingBox());
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// pop the culling mode.
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popCurrentMask();
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popModelViewMatrix();
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}
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void apply(osg::Billboard&)
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// pop the culling mode.
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popCurrentMask();
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}
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void MWShadow::ComputeLightSpaceBounds::apply(osg::Camera&)
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{
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// camera nodes won't affect a shadow map so their subgraphs should be ignored
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return;
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}
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void MWShadow::ComputeLightSpaceBounds::updateBound(const osg::BoundingBox& bb)
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{
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if (!bb.valid()) return;
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const osg::Matrix& matrix = *getModelViewMatrix() * *getProjectionMatrix();
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update(bb.corner(0) * matrix);
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update(bb.corner(1) * matrix);
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update(bb.corner(2) * matrix);
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update(bb.corner(3) * matrix);
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update(bb.corner(4) * matrix);
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update(bb.corner(5) * matrix);
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update(bb.corner(6) * matrix);
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update(bb.corner(7) * matrix);
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}
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void MWShadow::ComputeLightSpaceBounds::update(const osg::Vec3& v)
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{
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if (v.z()<-1.0f)
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{
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OSG_INFO << "Warning Billboards not yet supported" << std::endl;
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//OSG_NOTICE<<"discarding("<<v<<")"<<std::endl;
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return;
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}
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void apply(osg::Projection&)
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{
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// projection nodes won't affect a shadow map so their subgraphs should be ignored
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return;
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}
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void apply(osg::Transform& transform)
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{
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if (isCulled(transform)) return;
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// push the culling mode.
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pushCurrentMask();
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// absolute transforms won't affect a shadow map so their subgraphs should be ignored.
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if (transform.getReferenceFrame() == osg::Transform::RELATIVE_RF)
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{
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osg::ref_ptr<osg::RefMatrix> matrix = new osg::RefMatrix(*getModelViewMatrix());
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transform.computeLocalToWorldMatrix(*matrix, this);
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pushModelViewMatrix(matrix.get(), transform.getReferenceFrame());
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traverse(transform);
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popModelViewMatrix();
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}
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// pop the culling mode.
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popCurrentMask();
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}
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void apply(osg::Camera&)
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{
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// camera nodes won't affect a shadow map so their subgraphs should be ignored
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return;
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}
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void updateBound(const osg::BoundingBox& bb)
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{
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if (!bb.valid()) return;
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const osg::Matrix& matrix = *getModelViewMatrix() * *getProjectionMatrix();
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update(bb.corner(0) * matrix);
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update(bb.corner(1) * matrix);
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update(bb.corner(2) * matrix);
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update(bb.corner(3) * matrix);
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update(bb.corner(4) * matrix);
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update(bb.corner(5) * matrix);
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update(bb.corner(6) * matrix);
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update(bb.corner(7) * matrix);
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}
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void update(const osg::Vec3& v)
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{
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if (v.z()<-1.0f)
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{
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//OSG_NOTICE<<"discarding("<<v<<")"<<std::endl;
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return;
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}
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float x = v.x();
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if (x<-1.0f) x = -1.0f;
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if (x>1.0f) x = 1.0f;
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float y = v.y();
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if (y<-1.0f) y = -1.0f;
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if (y>1.0f) y = 1.0f;
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_bb.expandBy(osg::Vec3(x, y, v.z()));
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}
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osg::BoundingBox _bb;
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};
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float x = v.x();
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if (x<-1.0f) x = -1.0f;
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if (x>1.0f) x = 1.0f;
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float y = v.y();
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if (y<-1.0f) y = -1.0f;
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if (y>1.0f) y = 1.0f;
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_bb.expandBy(osg::Vec3(x, y, v.z()));
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}
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void MWShadow::cull(osgUtil::CullVisitor& cv)
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{
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@ -22,6 +22,32 @@ namespace SceneUtil
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virtual Shader::ShaderManager::DefineMap getShadowDefines();
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virtual Shader::ShaderManager::DefineMap getShadowsDisabledDefines();
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class ComputeLightSpaceBounds : public osg::NodeVisitor, public osg::CullStack
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{
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public:
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ComputeLightSpaceBounds(osg::Viewport* viewport, const osg::Matrixd& projectionMatrix, osg::Matrixd& viewMatrix);
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void apply(osg::Node& node);
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void apply(osg::Geode& node);
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void apply(osg::Drawable& drawable);
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void apply(osg::Billboard&);
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void apply(osg::Projection&);
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void apply(osg::Transform& transform);
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void apply(osg::Camera&);
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void updateBound(const osg::BoundingBox& bb);
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void update(const osg::Vec3& v);
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osg::BoundingBox _bb;
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};
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protected:
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const int debugTextureUnit;
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