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Code Issues Releases Wiki Activity

lua - fix bounding box in active grid

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This commit is contained in:
glassmancody.info 2023-05-19 14:29:01 -07:00
parent 5f6ca2a6d1
commit 06676fd623
3 changed files with 51 additions and 7 deletions
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11
apps/openmw/mwlua/objectbindings.cpp
View file

@ -4,8 +4,6 @@
#include <components/esm3/loadnpc.hpp>
#include <components/lua/luastate.hpp>
#include <components/lua/shapes/box.hpp>
#include <components/sceneutil/cullsafeboundsvisitor.hpp>
#include <components/sceneutil/positionattitudetransform.hpp>
#include "../mwworld/cellstore.hpp"
#include "../mwworld/class.hpp"
@ -13,6 +11,7 @@
#include "../mwworld/player.hpp"
#include "../mwworld/scene.hpp"
#include "../mwrender/renderingmanager.hpp"
#include "../mwrender/vismask.hpp"
#include "../mwmechanics/creaturestats.hpp"
@ -157,11 +156,9 @@ namespace MWLua
objectT["rotation"] = sol::readonly_property(
[](const ObjectT& o) -> osg::Vec3f { return o.ptr().getRefData().getPosition().asRotationVec3(); });
objectT["getBoundingBox"] = [](const ObjectT& o) {
const MWWorld::Ptr& ptr = o.ptr();
SceneUtil::CullSafeBoundsVisitor computeBounds;
computeBounds.setTraversalMask(~(MWRender::Mask_ParticleSystem | MWRender::Mask_Effect));
ptr.getRefData().getBaseNode()->accept(computeBounds);
osg::BoundingBox bb = computeBounds.mBoundingBox;
MWRender::RenderingManager* renderingManager
= MWBase::Environment::get().getWorld()->getRenderingManager();
osg::BoundingBox bb = renderingManager->getCullSafeBoundingBox(o.ptr());
return LuaUtil::Box{ bb.center(), bb._max - bb.center() };
};

44
apps/openmw/mwrender/renderingmanager.cpp
View file

@ -33,6 +33,7 @@
#include <components/settings/settings.hpp>
#include <components/sceneutil/cullsafeboundsvisitor.hpp>
#include <components/sceneutil/depth.hpp>
#include <components/sceneutil/lightmanager.hpp>
#include <components/sceneutil/positionattitudetransform.hpp>
@ -1495,6 +1496,49 @@ namespace MWRender
return halfExtents;
}
osg::BoundingBox RenderingManager::getCullSafeBoundingBox(const MWWorld::Ptr& ptr) const
{
const std::string model = ptr.getClass().getModel(ptr);
if (model.empty())
return {};
osg::ref_ptr<SceneUtil::PositionAttitudeTransform> rootNode = new SceneUtil::PositionAttitudeTransform;
// Hack even used by osg internally, osg's NodeVisitor won't accept const qualified nodes
rootNode->addChild(const_cast<osg::Node*>(mResourceSystem->getSceneManager()->getTemplate(model).get()));
const SceneUtil::PositionAttitudeTransform* baseNode = ptr.getRefData().getBaseNode();
if (baseNode)
{
rootNode->setPosition(baseNode->getPosition());
rootNode->setAttitude(baseNode->getAttitude());
rootNode->setScale(baseNode->getScale());
}
else
{
rootNode->setPosition(ptr.getRefData().getPosition().asVec3());
osg::Vec3f rot = ptr.getRefData().getPosition().asRotationVec3();
rootNode->setAttitude(osg::Quat(rot[2], osg::Vec3f(0, 0, -1)) * osg::Quat(rot[1], osg::Vec3f(0, -1, 0))
* osg::Quat(rot[0], osg::Vec3f(-1, 0, 0)));
const float refScale = ptr.getCellRef().getScale();
rootNode->setScale({ refScale, refScale, refScale });
}
SceneUtil::CullSafeBoundsVisitor computeBounds;
computeBounds.setTraversalMask(~(MWRender::Mask_ParticleSystem | MWRender::Mask_Effect));
rootNode->accept(computeBounds);
const osg::Vec3f& scale = rootNode->getScale();
computeBounds.mBoundingBox.xMin() *= scale.x();
computeBounds.mBoundingBox.xMax() *= scale.x();
computeBounds.mBoundingBox.yMin() *= scale.y();
computeBounds.mBoundingBox.yMax() *= scale.y();
computeBounds.mBoundingBox.zMin() *= scale.z();
computeBounds.mBoundingBox.zMax() *= scale.z();
return computeBounds.mBoundingBox;
}
void RenderingManager::resetFieldOfView()
{
if (mFieldOfViewOverridden == true)

3
apps/openmw/mwrender/renderingmanager.hpp
View file

@ -244,6 +244,9 @@ namespace MWRender
osg::Vec3f getHalfExtents(const MWWorld::ConstPtr& object) const;
// Return local bounding box. Safe to be called in parallel with cull thread.
osg::BoundingBox getCullSafeBoundingBox(const MWWorld::Ptr& ptr) const;
void exportSceneGraph(
const MWWorld::Ptr& ptr, const std::filesystem::path& filename, const std::string& format);