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Implement NiGeomMorpherController
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062ea627b3
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@ -116,6 +116,7 @@ void NIFMeshLoader::createSubMesh(Ogre::Mesh *mesh, const Nif::NiTriShape *shape
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Ogre::HardwareBuffer::Usage vertUsage = Ogre::HardwareBuffer::HBU_STATIC;
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bool vertShadowBuffer = false;
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bool geomMorpherController = false;
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if(!shape->controller.empty())
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{
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Nif::ControllerPtr ctrl = shape->controller;
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@ -124,6 +125,7 @@ void NIFMeshLoader::createSubMesh(Ogre::Mesh *mesh, const Nif::NiTriShape *shape
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{
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vertUsage = Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY;
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vertShadowBuffer = true;
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geomMorpherController = true;
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break;
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}
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} while(!(ctrl=ctrl->next).empty());
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@ -347,6 +349,11 @@ void NIFMeshLoader::createSubMesh(Ogre::Mesh *mesh, const Nif::NiTriShape *shape
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if (!mesh->suggestTangentVectorBuildParams(Ogre::VES_TANGENT, src,dest))
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mesh->buildTangentVectors(Ogre::VES_TANGENT, src,dest);
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}
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// Create a dummy vertex animation track if there's a geom morpher controller
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// This is required to make Ogre create the buffers we will use for software vertex animation
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if (srcVerts.size() && geomMorpherController)
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mesh->createAnimation("dummy", 0)->createVertexTrack(1, sub->vertexData, Ogre::VAT_MORPH);
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}
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@ -385,12 +385,35 @@ public:
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private:
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Ogre::SubEntity *mSubEntity;
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std::vector<Nif::NiMorphData::MorphData> mMorphs;
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std::vector<float> mValues;
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std::vector<Ogre::Vector3> mVertices;
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static float interpKey(const Nif::FloatKeyList::VecType &keys, float time)
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{
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if(time <= keys.front().mTime)
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return keys.front().mValue;
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Nif::FloatKeyList::VecType::const_iterator iter(keys.begin()+1);
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for(;iter != keys.end();iter++)
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{
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if(iter->mTime < time)
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continue;
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Nif::FloatKeyList::VecType::const_iterator last(iter-1);
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float a = (time-last->mTime) / (iter->mTime-last->mTime);
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return last->mValue + ((iter->mValue - last->mValue)*a);
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}
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return keys.back().mValue;
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}
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public:
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Value(Ogre::SubEntity *subent, const Nif::NiMorphData *data)
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: mSubEntity(subent)
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, mMorphs(data->mMorphs)
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{ }
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{
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mValues.resize(mMorphs.size()-1, 0.f);
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}
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virtual Ogre::Real getValue() const
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{
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@ -398,9 +421,63 @@ public:
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return 0.0f;
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}
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virtual void setValue(Ogre::Real value)
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virtual void setValue(Ogre::Real time)
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{
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// TODO: Implement
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if (mMorphs.size() <= 1)
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return;
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#if OGRE_DOUBLE_PRECISION
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#error "This code needs to be rewritten for double precision mode"
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#endif
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Ogre::VertexData* data = mSubEntity->_getSoftwareVertexAnimVertexData();
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const Ogre::VertexElement* posElem =
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data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
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Ogre::HardwareVertexBufferSharedPtr vbuf =
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data->vertexBufferBinding->getBuffer(posElem->getSource());
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bool needToUpdate = false;
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int i=0;
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for (std::vector<Nif::NiMorphData::MorphData>::iterator it = mMorphs.begin()+1; it != mMorphs.end(); ++it,++i)
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{
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float val = 0;
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if (!it->mData.mKeys.empty())
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val = interpKey(it->mData.mKeys, time);
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val = std::max(0.f, std::min(1.f, val));
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if (val != mValues[i])
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needToUpdate = true;
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mValues[i] = val;
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}
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if (!needToUpdate)
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return;
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// The first morph key always contains the original positions
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mVertices = mMorphs[0].mVertices;
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i = 0;
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for (std::vector<Nif::NiMorphData::MorphData>::iterator it = mMorphs.begin()+1; it != mMorphs.end(); ++it,++i)
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{
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float val = mValues[i];
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if (it->mVertices.size() != mMorphs[0].mVertices.size())
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continue;
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if (val != 0)
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{
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for (unsigned int v=0; v<mVertices.size(); ++v)
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mVertices[v] += it->mVertices[v] * val;
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}
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}
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if (mVertices.size() * sizeof(float)*3 != vbuf->getSizeInBytes())
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return;
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vbuf->writeData(0, vbuf->getSizeInBytes(), &mVertices[0]);
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mSubEntity->_markBuffersUsedForAnimation();
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}
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};
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@ -480,11 +557,10 @@ class NIFObjectLoader
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{
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const Nif::NiGeomMorpherController *geom = static_cast<const Nif::NiGeomMorpherController*>(ctrl.getPtr());
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Ogre::SubEntity *subent = entity->getSubEntity(0);
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Ogre::ControllerValueRealPtr srcval((animflags&Nif::NiNode::AnimFlag_AutoPlay) ?
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Ogre::ControllerManager::getSingleton().getFrameTimeSource() :
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Ogre::ControllerValueRealPtr());
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Ogre::ControllerValueRealPtr dstval(OGRE_NEW GeomMorpherController::Value(subent, geom->data.getPtr()));
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Ogre::ControllerValueRealPtr dstval(OGRE_NEW GeomMorpherController::Value(entity->getSubEntity(0), geom->data.getPtr()));
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GeomMorpherController::Function* function = OGRE_NEW GeomMorpherController::Function(geom, (animflags&Nif::NiNode::AnimFlag_AutoPlay));
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objectlist.mMaxControllerLength = std::max(function->mStopTime, objectlist.mMaxControllerLength);
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