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Merge pull request #1986 from akortunov/rootfix

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[Regression] Handle RootCollisionNode exactly as in original engine
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Bret Curtis 2018-10-29 22:47:04 +01:00 committed by GitHub
commit 3c53fe16e9
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3 changed files with 19 additions and 31 deletions
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6
apps/openmw_test_suite/nifloader/testbulletnifloader.cpp
View file

@ -929,10 +929,8 @@ namespace
mNiStringExtraData.string = "MRK";
mNiStringExtraData.recType = Nif::RC_NiStringExtraData;
mNiTriShape.extra = Nif::ExtraPtr(&mNiStringExtraData);
mNiNode3.children = Nif::NodeList(std::vector<Nif::NodePtr>({Nif::NodePtr(&mNiTriShape)}));
mNiNode3.recType = Nif::RC_RootCollisionNode;
mNiNode2.children = Nif::NodeList(std::vector<Nif::NodePtr>({Nif::NodePtr(nullptr), Nif::NodePtr(&mNiNode3)}));
mNiNode2.recType = Nif::RC_NiNode;
mNiNode2.children = Nif::NodeList(std::vector<Nif::NodePtr>({Nif::NodePtr(&mNiTriShape)}));
mNiNode2.recType = Nif::RC_RootCollisionNode;
mNiNode.children = Nif::NodeList(std::vector<Nif::NodePtr>({Nif::NodePtr(&mNiNode2)}));
mNiNode.recType = Nif::RC_NiNode;

42
components/nifbullet/bulletnifloader.cpp
View file

@ -96,17 +96,14 @@ osg::ref_ptr<Resource::BulletShape> BulletNifLoader::load(const Nif::File& nif)
}
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);
// If the mesh has RootCollisionNode, attached to actual root node, use it as collision mesh
const Nif::Node* rootCollisionNode = getCollisionNode(node);
if (rootCollisionNode)
handleNode(filename, rootCollisionNode, 0, false, isAnimated, false);
else
handleNode(filename, node, 0, true, isAnimated, true);
handleNode(filename, node, 0, autogenerated, isAnimated, autogenerated);
if (mCompoundShape)
{
@ -163,31 +160,22 @@ bool BulletNifLoader::findBoundingBox(const Nif::Node* node, int flags)
return false;
}
const Nif::Node* BulletNifLoader::getCollisionNode(const Nif::Node* rootNode)
bool BulletNifLoader::hasAutoGeneratedCollision(const Nif::Node* rootNode)
{
const Nif::NiNode *ninode = dynamic_cast<const Nif::NiNode*>(rootNode);
if(ninode)
{
// If root NiNode has only other NiNode as child, consider it as a wrapper, not as actual root node
const Nif::NodeList &list = ninode->children;
if (list.length() == 1 &&
rootNode->recType == Nif::RC_NiNode &&
list[0].getPtr()->recType == Nif::RC_NiNode)
for(size_t i = 0;i < list.length();i++)
{
return getCollisionNode(list[0].getPtr());
}
for(size_t i = 0; i < list.length(); i++)
{
if(list[i].empty())
continue;
const Nif::Node* childNode = list[i].getPtr();
if(childNode->recType == Nif::RC_RootCollisionNode)
return childNode;
if(!list[i].empty())
{
if(list[i].getPtr()->recType == Nif::RC_RootCollisionNode)
return false;
}
}
}
return nullptr;
return true;
}
void BulletNifLoader::handleNode(const std::string& fileName, const Nif::Node *node, int flags,
@ -203,13 +191,14 @@ void BulletNifLoader::handleNode(const std::string& fileName, const Nif::Node *n
isCollisionNode = isCollisionNode || (node->recType == Nif::RC_RootCollisionNode);
if (node->recType == Nif::RC_RootCollisionNode && autogenerated)
Log(Debug::Info) << "Found RootCollisionNode attached to non-root node in " << fileName << ". Treat it as a common NiTriShape.";
// Don't collide with AvoidNode shapes
if(node->recType == Nif::RC_AvoidNode)
flags |= 0x800;
// We encountered a RootCollisionNode inside autogenerated mesh. It is not right.
if (node->recType == Nif::RC_RootCollisionNode && autogenerated)
Log(Debug::Info) << "Found RootCollisionNode attached to non-root node in " << fileName << ". Treat it as a common NiTriShape.";
// Check for extra data
Nif::Extra const *e = node;
while (!e->extra.empty())
@ -234,6 +223,7 @@ void BulletNifLoader::handleNode(const std::string& fileName, const Nif::Node *n
// Marker can still have collision if the model explicitely specifies it via a RootCollisionNode.
return;
}
}
}

2
components/nifbullet/bulletnifloader.hpp
View file

@ -57,7 +57,7 @@ private:
void handleNode(const std::string& fileName, Nif::Node const *node, int flags, bool isCollisionNode, bool isAnimated=false, bool autogenerated=false);
const Nif::Node* getCollisionNode(const Nif::Node* rootNode);
bool hasAutoGeneratedCollision(const Nif::Node *rootNode);
void handleNiTriShape(const Nif::NiTriShape *shape, int flags, const osg::Matrixf& transform, bool isAnimated);