Make better use of osg::BoundingSpheref in the NIF loader

components/nif/data.cpp

@@ -46,8 +46,7 @@ namespace Nif
             }
         }
 
-        nif->read(mCenter);
-        nif->read(mRadius);
+        nif->read(mBoundingSphere);
 
         bool hasColors;
         nif->read(hasColors);
@@ -373,7 +372,7 @@ namespace Nif
             nif->read(bi.mTransform.rotation);
             nif->read(bi.mTransform.pos);
             nif->read(bi.mTransform.scale);
-            bi.mBoundSphere = osg::BoundingSpheref(nif->get<osg::Vec3f>(), nif->get<float>());
+            nif->read(bi.mBoundSphere);
 
             uint16_t numVertices;
             nif->read(numVertices);
@@ -574,8 +573,7 @@ namespace Nif
 
     void BSMultiBoundSphere::read(NIFStream* nif)
     {
-        nif->read(mCenter);
-        nif->read(mRadius);
+        nif->read(mSphere);
     }
 
 } // Namespace

components/nif/data.hpp

@@ -51,8 +51,7 @@ namespace Nif
         uint16_t mDataFlags{ 0 };
         uint32_t mMaterialHash;
         std::vector<osg::Vec3f> mNormals, mTangents, mBitangents;
-        osg::Vec3f mCenter;
-        float mRadius;
+        osg::BoundingSpheref mBoundingSphere;
         std::vector<osg::Vec4f> mColors;
         std::vector<std::vector<osg::Vec2f>> mUVList;
         uint16_t mConsistencyType;
@@ -402,8 +401,7 @@ namespace Nif
 
     struct BSMultiBoundSphere : public BSMultiBoundData
     {
-        osg::Vec3f mCenter;
-        float mRadius;
+        osg::BoundingSpheref mSphere;
 
         void read(NIFStream* nif) override;
     };

components/nif/nifstream.cpp

@@ -122,6 +122,13 @@ namespace Nif
         quat.z() = data[3];
     }
 
+    template <>
+    void NIFStream::read<osg::BoundingSpheref>(osg::BoundingSpheref& sphere)
+    {
+        read(sphere.center());
+        read(sphere.radius());
+    }
+
     template <>
     void NIFStream::read<Transformation>(Transformation& t)
     {
@@ -178,6 +185,12 @@ namespace Nif
         readRange(*this, dest, size);
     }
 
+    template <>
+    void NIFStream::read<osg::BoundingSpheref>(osg::BoundingSpheref* dest, size_t size)
+    {
+        readRange(*this, dest, size);
+    }
+
     template <>
     void NIFStream::read<Transformation>(Transformation* dest, size_t size)
     {

components/nif/nifstream.hpp

@@ -15,6 +15,7 @@
 #include <components/misc/endianness.hpp>
 #include <components/misc/float16.hpp>
 
+#include <osg/BoundingSphere>
 #include <osg/Quat>
 #include <osg/Vec3f>
 #include <osg/Vec4f>
@@ -174,6 +175,8 @@ namespace Nif
     template <>
     void NIFStream::read<osg::Quat>(osg::Quat& quat);
     template <>
+    void NIFStream::read<osg::BoundingSpheref>(osg::BoundingSpheref& sphere);
+    template <>
     void NIFStream::read<Transformation>(Transformation& t);
     template <>
     void NIFStream::read<bool>(bool& data);
@@ -191,6 +194,8 @@ namespace Nif
     template <>
     void NIFStream::read<osg::Quat>(osg::Quat* dest, size_t size);
     template <>
+    void NIFStream::read<osg::BoundingSpheref>(osg::BoundingSpheref* dest, size_t size);
+    template <>
     void NIFStream::read<Transformation>(Transformation* dest, size_t size);
     template <>
     void NIFStream::read<bool>(bool* dest, size_t size);

components/nif/node.cpp

@@ -19,7 +19,7 @@ namespace Nif
                 break;
             case SPHERE_BV:
             {
-                sphere.read(nif);
+                nif->read(sphere);
                 break;
             }
             case BOX_BV:
@@ -336,7 +336,7 @@ namespace Nif
     void BSTriShape::read(NIFStream* nif)
     {
         Node::read(nif);
-        mBoundingSphere.read(nif);
+        nif->read(mBoundingSphere);
 
         if (nif->getBethVersion() == NIFFile::BethVersion::BETHVER_F76)
         {
@@ -412,12 +412,6 @@ namespace Nif
         mFlags = (data & 0xFFF00000000000) >> 0x2C;
     }
 
-    void NiBoundingVolume::NiSphereBV::read(NIFStream* nif)
-    {
-        nif->read(center);
-        nif->read(radius);
-    }
-
     void BSVertexData::read(NIFStream* nif, uint16_t flags)
     {
         uint16_t vertexFlag = flags & BSVertexDesc::VertexAttribute::Vertex;

components/nif/node.hpp

@@ -26,13 +26,6 @@ namespace Nif
             HALFSPACE_BV = 5
         };
 
-        struct NiSphereBV
-        {
-            osg::Vec3f center;
-            float radius{ 0.f };
-            void read(NIFStream* nif);
-        };
-
         struct NiBoxBV
         {
             osg::Vec3f center;
@@ -59,7 +52,7 @@ namespace Nif
         };
 
         unsigned int type;
-        NiSphereBV sphere;
+        osg::BoundingSpheref sphere;
         NiBoxBV box;
         NiCapsuleBV capsule;
         NiLozengeBV lozenge;
@@ -355,7 +348,7 @@ namespace Nif
 
     struct BSTriShape : Node
     {
-        NiBoundingVolume::NiSphereBV mBoundingSphere;
+        osg::BoundingSpheref mBoundingSphere;
         std::array<float, 6> mBoundMinMax;
 
         NiSkinInstancePtr mSkin;

components/nifosg/nifloader.cpp

@@ -1173,7 +1173,7 @@ namespace NifOsg
             }
 
             // radius may be used to force a larger bounding box
-            box.expandBy(osg::BoundingSphere(osg::Vec3(0, 0, 0), particledata->mRadius));
+            box.expandBy(osg::BoundingSphere(osg::Vec3(0, 0, 0), particledata->mBoundingSphere.radius()));
 
             partsys->setInitialBound(box);
         }