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Pre-transform the mesh vertices when there's no skinning or skeleton

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This commit is contained in:
Chris Robinson 2012-07-15 17:00:27 -07:00
parent 61f32eca77
commit b1f7fd9f7b
2 changed files with 24 additions and 3 deletions
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2
components/nif/nif_file.cpp
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@ -213,7 +213,7 @@ void NiSkinInstance::post(NIFFile *nif)
Ogre::Matrix4 Node::getLocalTransform()
{
Ogre::Matrix4 mat4;
Ogre::Matrix4 mat4(Ogre::Matrix4::IDENTITY);
mat4.makeTransform(trafo.pos, Ogre::Vector3(trafo.scale), Ogre::Quaternion(trafo.rotation));
return mat4;
}

25
components/nifogre/ogre_nif_loader.cpp
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@ -533,12 +533,33 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
srcNorms = newNorms;
#endif
}
else if(!mHasSkel)
{
// No skinning and no skeleton, so just transform the vertices and
// normals into position.
Ogre::Matrix4 mat4 = shape->getWorldTransform();
for(size_t i = 0;i < srcVerts.size();i++)
{
Ogre::Vector4 vec4(srcVerts[i].x, srcVerts[i].y, srcVerts[i].z, 1.0f);
vec4 = mat4*vec4;
srcVerts[i] = Ogre::Vector3(&vec4[0]);
}
for(size_t i = 0;i < srcNorms.size();i++)
{
Ogre::Vector4 vec4(srcNorms[i].x, srcNorms[i].y, srcNorms[i].z, 0.0f);
vec4 = mat4*vec4;
srcNorms[i] = Ogre::Vector3(&vec4[0]);
}
}
// Set the bounding box first
BoundsFinder bounds;
bounds.add(&srcVerts[0][0], srcVerts.size());
mesh->_setBounds(Ogre::AxisAlignedBox(bounds.minX(), bounds.minY(), bounds.minZ(),
bounds.maxX(), bounds.maxY(), bounds.maxZ()));
// No idea why this offset is needed. It works fine without it if the
// vertices weren't transformed first, but otherwise it fails later on
// when the object is being inserted into the scene.
mesh->_setBounds(Ogre::AxisAlignedBox(bounds.minX()-0.5f, bounds.minY()-0.5f, bounds.minZ()-0.5f,
bounds.maxX()+0.5f, bounds.maxY()+0.5f, bounds.maxZ()+0.5f));
mesh->_setBoundingSphereRadius(bounds.getRadius());
// This function is just one long stream of Ogre-barf, but it works