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lower rendering distance for small objects (reduce batch count)

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This commit is contained in:
scrawl 2012-03-27 00:45:25 +02:00
parent 2362d0a029
commit bb09c2189a
2 changed files with 55 additions and 16 deletions
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70
apps/openmw/mwrender/objects.cpp
View file

@ -88,35 +88,61 @@ void Objects::insertMesh (const MWWorld::Ptr& ptr, const std::string& mesh)
NifOgre::NIFLoader::load(mesh); NifOgre::NIFLoader::load(mesh);
Ogre::Entity *ent = mRenderer.getScene()->createEntity(mesh); Ogre::Entity *ent = mRenderer.getScene()->createEntity(mesh);
Ogre::Vector3 extents = ent->getBoundingBox().getSize();
extents *= insert->getScale();
float size = std::max(std::max(extents.x, extents.y), extents.z);
bool small = (size < 250); /// \todo config value
// do not fade out doors. that will cause holes and look stupid
if (ptr.getTypeName().find("Door") != std::string::npos)
small = false;
if(!mIsStatic) if(!mIsStatic)
{ {
insert->attachObject(ent); insert->attachObject(ent);
ent->setRenderingDistance(small ? 2500 : 0); /// \todo config value
} }
else else
{ {
Ogre::StaticGeometry* sg = 0; Ogre::StaticGeometry* sg = 0;
if(mStaticGeometry.find(ptr.getCell()) == mStaticGeometry.end())
if (small)
{ {
uniqueID = uniqueID +1; if( mStaticGeometrySmall.find(ptr.getCell()) == mStaticGeometrySmall.end())
sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID)); {
//Create the scenenode and put it in the map uniqueID = uniqueID +1;
mStaticGeometry[ptr.getCell()] = sg; sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID));
mStaticGeometrySmall[ptr.getCell()] = sg;
// This specifies the size of a single batch region. sg->setRenderingDistance(2500); /// \todo config value
// If it is set too high: }
// - there will be problems choosing the correct lights else
// - the culling will be more inefficient sg = mStaticGeometrySmall[ptr.getCell()];
// If it is set too low:
// - there will be too many batches.
sg->setRegionDimensions(Ogre::Vector3(2500,2500,2500));
mBounds[ptr.getCell()] = Ogre::AxisAlignedBox::BOX_NULL;
mBounds[ptr.getCell()].merge(ent->getBoundingBox());
} }
else else
{ {
sg = mStaticGeometry[ptr.getCell()]; if( mStaticGeometry.find(ptr.getCell()) == mStaticGeometry.end())
{
uniqueID = uniqueID +1;
sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID));
mStaticGeometry[ptr.getCell()] = sg;
}
else
sg = mStaticGeometry[ptr.getCell()];
} }
// This specifies the size of a single batch region.
// If it is set too high:
// - there will be problems choosing the correct lights
// - the culling will be more inefficient
// If it is set too low:
// - there will be too many batches.
sg->setRegionDimensions(Ogre::Vector3(2500,2500,2500));
mBounds[ptr.getCell()].merge(ent->getBoundingBox());
sg->addEntity(ent,insert->_getDerivedPosition(),insert->_getDerivedOrientation(),insert->_getDerivedScale()); sg->addEntity(ent,insert->_getDerivedPosition(),insert->_getDerivedOrientation(),insert->_getDerivedScale());
mBounds[ptr.getCell()].merge(insert->_getDerivedPosition()); mBounds[ptr.getCell()].merge(insert->_getDerivedPosition());
@ -206,6 +232,13 @@ void Objects::removeCell(MWWorld::Ptr::CellStore* store)
mRenderer.getScene()->destroyStaticGeometry (sg); mRenderer.getScene()->destroyStaticGeometry (sg);
sg = 0; sg = 0;
} }
if(mStaticGeometrySmall.find(store) != mStaticGeometrySmall.end())
{
Ogre::StaticGeometry* sg = mStaticGeometrySmall[store];
mStaticGeometrySmall.erase(store);
mRenderer.getScene()->destroyStaticGeometry (sg);
sg = 0;
}
if(mBounds.find(store) != mBounds.end()) if(mBounds.find(store) != mBounds.end())
mBounds.erase(store); mBounds.erase(store);
@ -218,6 +251,11 @@ void Objects::buildStaticGeometry(ESMS::CellStore<MWWorld::RefData>& cell)
Ogre::StaticGeometry* sg = mStaticGeometry[&cell]; Ogre::StaticGeometry* sg = mStaticGeometry[&cell];
sg->build(); sg->build();
} }
if(mStaticGeometrySmall.find(&cell) != mStaticGeometrySmall.end())
{
Ogre::StaticGeometry* sg = mStaticGeometrySmall[&cell];
sg->build();
}
} }
Ogre::AxisAlignedBox Objects::getDimensions(MWWorld::Ptr::CellStore* cell) Ogre::AxisAlignedBox Objects::getDimensions(MWWorld::Ptr::CellStore* cell)

1
apps/openmw/mwrender/objects.hpp
View file

@ -14,6 +14,7 @@ class Objects{
OEngine::Render::OgreRenderer &mRenderer; OEngine::Render::OgreRenderer &mRenderer;
std::map<MWWorld::Ptr::CellStore *, Ogre::SceneNode *> mCellSceneNodes; std::map<MWWorld::Ptr::CellStore *, Ogre::SceneNode *> mCellSceneNodes;
std::map<MWWorld::Ptr::CellStore *, Ogre::StaticGeometry*> mStaticGeometry; std::map<MWWorld::Ptr::CellStore *, Ogre::StaticGeometry*> mStaticGeometry;
std::map<MWWorld::Ptr::CellStore *, Ogre::StaticGeometry*> mStaticGeometrySmall;
std::map<MWWorld::Ptr::CellStore *, Ogre::AxisAlignedBox> mBounds; std::map<MWWorld::Ptr::CellStore *, Ogre::AxisAlignedBox> mBounds;
Ogre::SceneNode* mMwRoot; Ogre::SceneNode* mMwRoot;
bool mIsStatic; bool mIsStatic;