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Add basic NiTriStrips rendering (no physics yet)

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capostrophic 2019-08-08 15:19:01 +03:00
parent 8efbdeaa57
commit adb06913f7
1 changed files with 139 additions and 7 deletions
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146
components/nifosg/nifloader.cpp
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@ -619,13 +619,13 @@ namespace NifOsg
const bool isMarker = hasMarkers && !nodeName.compare(0, markerName.size(), markerName);
if (!isMarker && nodeName.compare(0, shadowName.size(), shadowName) && nodeName.compare(0, shadowName2.size(), shadowName2))
{
if (triStrips->skin.empty()) {}
/*handleTriShape(triShape, node, composite, boundTextures, animflags);*/
else {}
/*handleSkinnedTriShape(triShape, node, composite, boundTextures, animflags);*/
if (triStrips->skin.empty())
handleTriStrips(triStrips, node, composite, boundTextures, animflags);
else
handleSkinnedTriStrips(triStrips, node, composite, boundTextures, animflags);
if (!nifNode->controller.empty()) {}
/*handleMeshControllers(nifNode, node, composite, boundTextures, animflags);*/
if (!nifNode->controller.empty())
handleMeshControllers(nifNode, node, composite, boundTextures, animflags);
}
}
@ -699,7 +699,7 @@ namespace NifOsg
handleVisController(static_cast<const Nif::NiVisController*>(ctrl.getPtr()), node, animflags);
}
else if(ctrl->recType == Nif::RC_NiGeomMorpherController)
{} // handled in handleTriShape
{} // handled in handleTriShape/handleTriStrips
else
Log(Debug::Info) << "Unhandled controller " << ctrl->recName << " on node " << nifNode->recIndex << " in " << mFilename;
}
@ -1097,6 +1097,51 @@ namespace NifOsg
applyDrawableProperties(parentNode, drawableProps, composite, !data->colors.empty(), animflags, false);
}
void triStripsToGeometry(const Nif::NiTriStrips *triStrips, osg::Geometry *geometry, osg::Node* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
{
const Nif::NiTriStripsData* data = triStrips->data.getPtr();
if (!data->vertices.empty())
geometry->setVertexArray(new osg::Vec3Array(data->vertices.size(), data->vertices.data()));
if (!data->normals.empty())
geometry->setNormalArray(new osg::Vec3Array(data->normals.size(), data->normals.data()), osg::Array::BIND_PER_VERTEX);
int textureStage = 0;
for (const int uvSet : boundTextures)
{
if (uvSet >= (int)data->uvlist.size())
{
Log(Debug::Verbose) << "Out of bounds UV set " << uvSet << " on TriStrips \"" << triStrips->name << "\" in " << mFilename;
if (!data->uvlist.empty())
geometry->setTexCoordArray(textureStage, new osg::Vec2Array(data->uvlist[0].size(), data->uvlist[0].data()), osg::Array::BIND_PER_VERTEX);
continue;
}
geometry->setTexCoordArray(textureStage, new osg::Vec2Array(data->uvlist[uvSet].size(), data->uvlist[uvSet].data()), osg::Array::BIND_PER_VERTEX);
textureStage++;
}
if (!data->colors.empty())
geometry->setColorArray(new osg::Vec4Array(data->colors.size(), data->colors.data()), osg::Array::BIND_PER_VERTEX);
if (!data->strips.empty())
{
for (const std::vector<unsigned short>& strip : data->strips)
{
geometry->addPrimitiveSet(new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLE_STRIP,
strip.size(), (unsigned short*)strip.data()));
}
}
// osg::Material properties are handled here for two reasons:
// - if there are no vertex colors, we need to disable colorMode.
// - there are 3 "overlapping" nif properties that all affect the osg::Material, handling them
// above the actual renderable would be tedious.
std::vector<const Nif::Property*> drawableProps;
collectDrawableProperties(triStrips, drawableProps);
applyDrawableProperties(parentNode, drawableProps, composite, !data->colors.empty(), animflags, false);
}
void handleTriShape(const Nif::NiTriShape* triShape, osg::Group* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
{
osg::ref_ptr<osg::Drawable> drawable;
@ -1128,6 +1173,37 @@ namespace NifOsg
parentNode->addChild(drawable);
}
void handleTriStrips(const Nif::NiTriStrips* triStrips, osg::Group* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
{
osg::ref_ptr<osg::Drawable> drawable;
for (Nif::ControllerPtr ctrl = triStrips->controller; !ctrl.empty(); ctrl = ctrl->next)
{
if (!(ctrl->flags & Nif::NiNode::ControllerFlag_Active))
continue;
if(ctrl->recType == Nif::RC_NiGeomMorpherController)
{
drawable = handleMorphGeometry(static_cast<const Nif::NiGeomMorpherController*>(ctrl.getPtr()), triStrips, parentNode, composite, boundTextures, animflags);
osg::ref_ptr<GeomMorpherController> morphctrl = new GeomMorpherController(
static_cast<const Nif::NiGeomMorpherController*>(ctrl.getPtr())->data.getPtr());
setupController(ctrl.getPtr(), morphctrl, animflags);
drawable->setUpdateCallback(morphctrl);
break;
}
}
if (!drawable.get())
{
osg::ref_ptr<osg::Geometry> geom (new osg::Geometry);
drawable = geom;
triStripsToGeometry(triStrips, geom, parentNode, composite, boundTextures, animflags);
}
drawable->setName(triStrips->name);
parentNode->addChild(drawable);
}
osg::ref_ptr<osg::Drawable> handleMorphGeometry(const Nif::NiGeomMorpherController* morpher, const Nif::NiTriShape *triShape, osg::Node* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
{
osg::ref_ptr<SceneUtil::MorphGeometry> morphGeom = new SceneUtil::MorphGeometry;
@ -1146,6 +1222,24 @@ namespace NifOsg
return morphGeom;
}
osg::ref_ptr<osg::Drawable> handleMorphGeometry(const Nif::NiGeomMorpherController* morpher, const Nif::NiTriStrips *triStrips, osg::Node* parentNode, SceneUtil::CompositeStateSetUpdater* composite, const std::vector<int>& boundTextures, int animflags)
{
osg::ref_ptr<SceneUtil::MorphGeometry> morphGeom = new SceneUtil::MorphGeometry;
osg::ref_ptr<osg::Geometry> sourceGeometry (new osg::Geometry);
triStripsToGeometry(triStrips, sourceGeometry, parentNode, composite, boundTextures, animflags);
morphGeom->setSourceGeometry(sourceGeometry);
const std::vector<Nif::NiMorphData::MorphData>& morphs = morpher->data.getPtr()->mMorphs;
if (morphs.empty())
return morphGeom;
// Note we are not interested in morph 0, which just contains the original vertices
for (unsigned int i = 1; i < morphs.size(); ++i)
morphGeom->addMorphTarget(new osg::Vec3Array(morphs[i].mVertices.size(), morphs[i].mVertices.data()), 0.f);
return morphGeom;
}
void handleSkinnedTriShape(const Nif::NiTriShape *triShape, osg::Group *parentNode, SceneUtil::CompositeStateSetUpdater* composite,
const std::vector<int>& boundTextures, int animflags)
{
@ -1183,6 +1277,44 @@ namespace NifOsg
parentNode->addChild(rig);
}
void handleSkinnedTriStrips(const Nif::NiTriStrips *triStrips, osg::Group *parentNode, SceneUtil::CompositeStateSetUpdater* composite,
const std::vector<int>& boundTextures, int animflags)
{
osg::ref_ptr<osg::Geometry> geometry (new osg::Geometry);
triStripsToGeometry(triStrips, geometry, parentNode, composite, boundTextures, animflags);
osg::ref_ptr<SceneUtil::RigGeometry> rig(new SceneUtil::RigGeometry);
rig->setSourceGeometry(geometry);
rig->setName(triStrips->name);
const Nif::NiSkinInstance *skin = triStrips->skin.getPtr();
// Assign bone weights
osg::ref_ptr<SceneUtil::RigGeometry::InfluenceMap> map (new SceneUtil::RigGeometry::InfluenceMap);
const Nif::NiSkinData *data = skin->data.getPtr();
const Nif::NodeList &bones = skin->bones;
for(size_t i = 0;i < bones.length();i++)
{
std::string boneName = Misc::StringUtils::lowerCase(bones[i].getPtr()->name);
SceneUtil::RigGeometry::BoneInfluence influence;
const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[i].weights;
for(size_t j = 0;j < weights.size();j++)
{
influence.mWeights.emplace_back(weights[j].vertex, weights[j].weight);
}
influence.mInvBindMatrix = data->bones[i].trafo.toMatrix();
influence.mBoundSphere = osg::BoundingSpheref(data->bones[i].boundSphereCenter, data->bones[i].boundSphereRadius);
map->mData.emplace_back(boneName, influence);
}
rig->setInfluenceMap(map);
parentNode->addChild(rig);
}
osg::BlendFunc::BlendFuncMode getBlendMode(int mode)
{
switch(mode)