osg::ref_ptr<Resource::BulletShape> BulletNifLoader::load(const Nif::File& nif)
{
mShape = new Resource::BulletShape;
mCompoundShape.reset();
mStaticMesh.reset();
mAvoidStaticMesh.reset();
if (nif.numRoots() < 1)
{
warn("Found no root nodes in NIF.");
return mShape;
}
Nif::Record *r = nif.getRoot(0);
assert(r != nullptr);
Nif::Node *node = dynamic_cast<Nif::Node*>(r);
if (node == nullptr)
{
warn("First root in file was not a node, but a " +
r->recName + ". Skipping file.");
return mShape;
}
if (findBoundingBox(node))
{
std::unique_ptr<btCompoundShape> compound (new btCompoundShape);
std::unique_ptr<btBoxShape> boxShape(new btBoxShape(getbtVector(mShape->mCollisionBoxHalfExtents)));
btTransform transform = btTransform::getIdentity();
transform.setOrigin(getbtVector(mShape->mCollisionBoxTranslate));
compound->addChildShape(transform, boxShape.get());
boxShape.release();
mShape->mCollisionShape = compound.release();
return mShape;
}
else
{
bool autogenerated = hasAutoGeneratedCollision(node);
// files with the name convention xmodel.nif usually have keyframes stored in a separate file xmodel.kf (see Animation::addAnimSource).
// assume all nodes in the file will be animated
const auto filename = nif.getFilename();
const bool isAnimated = pathFileNameStartsWithX(filename);
handleNode(filename, node, 0, autogenerated, isAnimated, autogenerated);
if (mCompoundShape)
{
if (mStaticMesh)
{
btTransform trans;
trans.setIdentity();
std::unique_ptr<btCollisionShape> child(new Resource::TriangleMeshShape(mStaticMesh.get(), true));
mCompoundShape->addChildShape(trans, child.get());
child.release();
mStaticMesh.release();
}
mShape->mCollisionShape = mCompoundShape.release();
}
else if (mStaticMesh)
{
mShape->mCollisionShape = new Resource::TriangleMeshShape(mStaticMesh.get(), true);
mStaticMesh.release();
}
if (mAvoidStaticMesh)
{
mShape->mAvoidCollisionShape = new Resource::TriangleMeshShape(mAvoidStaticMesh.get(), false);
mAvoidStaticMesh.release();
}
return mShape;
}
}
osg::ref_ptr<Resource::BulletShape> BulletNifLoader::load(const Nif::NIFFilePtr& nif)
{
mShape = new Resource::BulletShape;
mCompoundShape = NULL;
mStaticMesh = NULL;
if (nif->numRoots() < 1)
{
warn("Found no root nodes in NIF.");
return mShape;
}
Nif::Record *r = nif->getRoot(0);
assert(r != NULL);
Nif::Node *node = dynamic_cast<Nif::Node*>(r);
if (node == NULL)
{
warn("First root in file was not a node, but a " +
r->recName + ". Skipping file.");
return mShape;
}
if (findBoundingBox(node))
{
std::unique_ptr<btCompoundShape> compound (new btCompoundShape);
btBoxShape* boxShape = new btBoxShape(getbtVector(mShape->mCollisionBoxHalfExtents));
btTransform transform = btTransform::getIdentity();
transform.setOrigin(getbtVector(mShape->mCollisionBoxTranslate));
compound->addChildShape(transform, boxShape);
mShape->mCollisionShape = compound.release();
return mShape;
}
else
{
bool autogenerated = hasAutoGeneratedCollision(node);
bool isAnimated = false;
// files with the name convention xmodel.nif usually have keyframes stored in a separate file xmodel.kf (see Animation::addAnimSource).
// assume all nodes in the file will be animated
std::string filename = nif->getFilename();
size_t slashpos = filename.find_last_of("/\\");
if (slashpos == std::string::npos)
slashpos = 0;
if (slashpos+1 < filename.size() && (filename[slashpos+1] == 'x' || filename[slashpos+1] == 'X'))
{
isAnimated = true;
}
handleNode(node, 0, autogenerated, isAnimated, autogenerated);
if (mCompoundShape)
{
mShape->mCollisionShape = mCompoundShape;
if (mStaticMesh)
{
btTransform trans;
trans.setIdentity();
mCompoundShape->addChildShape(trans, new Resource::TriangleMeshShape(mStaticMesh,true));
}
}
else if (mStaticMesh)
mShape->mCollisionShape = new Resource::TriangleMeshShape(mStaticMesh,true);
return mShape;
}
}