From 8ce9f7b9cf8b63498aa3cb95bdb6dd454e4b8340 Mon Sep 17 00:00:00 2001
From: Alexei Kotov <alexdobrohotov@yandex.ru>
Date: Fri, 20 Oct 2023 17:39:58 +0300
Subject: [PATCH] Read BSPackedCombinedSharedGeomDataExtra

---
 components/nif/extra.cpp   | 46 +++++++++++++++++++++++++++++++++++++
 components/nif/extra.hpp   | 47 ++++++++++++++++++++++++++++++++++++++
 components/nif/niffile.cpp |  2 ++
 components/nif/record.hpp  |  1 +
 4 files changed, 96 insertions(+)

diff --git a/components/nif/extra.cpp b/components/nif/extra.cpp
index 1fc24e5f89..2d222f5a54 100644
--- a/components/nif/extra.cpp
+++ b/components/nif/extra.cpp
@@ -162,4 +162,50 @@ namespace Nif
         nif->getSizedStrings(mPointNames, nif->get<uint32_t>());
     }
 
+    void BSPackedGeomDataCombined::read(NIFStream* nif)
+    {
+        nif->read(mGrayscaleToPaletteScale);
+        nif->read(mTransform);
+        nif->read(mBoundingSphere);
+    }
+
+    void BSPackedGeomObject::read(NIFStream* nif)
+    {
+        nif->read(mFileHash);
+        nif->read(mDataOffset);
+    }
+
+    void BSPackedSharedGeomData::read(NIFStream* nif)
+    {
+        nif->read(mNumVertices);
+        nif->read(mLODLevels);
+        nif->read(mLOD0TriCount);
+        nif->read(mLOD0TriOffset);
+        nif->read(mLOD1TriCount);
+        nif->read(mLOD1TriOffset);
+        nif->read(mLOD2TriCount);
+        nif->read(mLOD2TriOffset);
+        mCombined.resize(nif->get<uint32_t>());
+        for (BSPackedGeomDataCombined& data : mCombined)
+            data.read(nif);
+        mVertexDesc.read(nif);
+    }
+
+    void BSPackedCombinedSharedGeomDataExtra::read(NIFStream* nif)
+    {
+        NiExtraData::read(nif);
+
+        mVertexDesc.read(nif);
+        nif->read(mNumVertices);
+        nif->read(mNumTriangles);
+        nif->read(mFlags1);
+        nif->read(mFlags2);
+        mObjects.resize(nif->get<uint32_t>());
+        for (BSPackedGeomObject& object : mObjects)
+            object.read(nif);
+        mObjectData.resize(mObjects.size());
+        for (BSPackedSharedGeomData& objectData : mObjectData)
+            objectData.read(nif);
+    }
+
 }
diff --git a/components/nif/extra.hpp b/components/nif/extra.hpp
index 0808e91b16..1efa4ae7bb 100644
--- a/components/nif/extra.hpp
+++ b/components/nif/extra.hpp
@@ -2,6 +2,7 @@
 #define OPENMW_COMPONENTS_NIF_EXTRA_HPP
 
 #include "base.hpp"
+#include "node.hpp"
 
 namespace Nif
 {
@@ -199,5 +200,51 @@ namespace Nif
         };
     };
 
+    struct BSPackedGeomDataCombined
+    {
+        float mGrayscaleToPaletteScale;
+        NiTransform mTransform;
+        osg::BoundingSpheref mBoundingSphere;
+
+        void read(NIFStream* nif);
+    };
+
+    struct BSPackedGeomObject
+    {
+        uint32_t mFileHash;
+        uint32_t mDataOffset;
+
+        void read(NIFStream* nif);
+    };
+
+    struct BSPackedSharedGeomData
+    {
+        uint32_t mNumVertices;
+        uint32_t mLODLevels;
+        uint32_t mLOD0TriCount;
+        uint32_t mLOD0TriOffset;
+        uint32_t mLOD1TriCount;
+        uint32_t mLOD1TriOffset;
+        uint32_t mLOD2TriCount;
+        uint32_t mLOD2TriOffset;
+        std::vector<BSPackedGeomDataCombined> mCombined;
+        BSVertexDesc mVertexDesc;
+
+        void read(NIFStream* nif);
+    };
+
+    struct BSPackedCombinedSharedGeomDataExtra : NiExtraData
+    {
+        BSVertexDesc mVertexDesc;
+        uint32_t mNumVertices;
+        uint32_t mNumTriangles;
+        uint32_t mFlags1;
+        uint32_t mFlags2;
+        std::vector<BSPackedGeomObject> mObjects;
+        std::vector<BSPackedSharedGeomData> mObjectData;
+
+        void read(NIFStream* nif) override;
+    };
+
 }
 #endif
diff --git a/components/nif/niffile.cpp b/components/nif/niffile.cpp
index 202c551a05..35a9eee787 100644
--- a/components/nif/niffile.cpp
+++ b/components/nif/niffile.cpp
@@ -256,6 +256,8 @@ namespace Nif
             { "BSDistantObjectLargeRefExtraData",
                 &construct<BSDistantObjectLargeRefExtraData, RC_BSDistantObjectLargeRefExtraData> },
             { "BSEyeCenterExtraData", &construct<BSEyeCenterExtraData, RC_BSEyeCenterExtraData> },
+            { "BSPackedCombinedSharedGeomDataExtra",
+                &construct<BSPackedCombinedSharedGeomDataExtra, RC_BSPackedCombinedSharedGeomDataExtra> },
             { "BSPositionData", &construct<BSPositionData, RC_BSPositionData> },
             { "BSWArray", &construct<BSWArray, RC_BSWArray> },
             { "BSXFlags", &construct<NiIntegerExtraData, RC_BSXFlags> },
diff --git a/components/nif/record.hpp b/components/nif/record.hpp
index 0679bd862a..79958b361d 100644
--- a/components/nif/record.hpp
+++ b/components/nif/record.hpp
@@ -108,6 +108,7 @@ namespace Nif
         RC_BSMultiBoundSphere,
         RC_BSNiAlphaPropertyTestRefController,
         RC_BSPackedAdditionalGeometryData,
+        RC_BSPackedCombinedSharedGeomDataExtra,
         RC_BSParentVelocityModifier,
         RC_BSPositionData,
         RC_BSProceduralLightningController,