From 052fb416c61f9310806d0eb9351168311db68e66 Mon Sep 17 00:00:00 2001
From: Alexei Kotov <alexdobrohotov@yandex.ru>
Date: Mon, 25 Sep 2023 14:47:37 +0300
Subject: [PATCH] Read BSSegmentedTriShape

---
 components/nif/niffile.cpp |  1 +
 components/nif/node.cpp    | 14 ++++++++++++++
 components/nif/node.hpp    | 14 ++++++++++++++
 components/nif/record.hpp  |  1 +
 4 files changed, 30 insertions(+)

diff --git a/components/nif/niffile.cpp b/components/nif/niffile.cpp
index 57bd45ca4d..d5faebb55f 100644
--- a/components/nif/niffile.cpp
+++ b/components/nif/niffile.cpp
@@ -272,6 +272,7 @@ namespace Nif
             { "BSDynamicTriShape", &construct<BSDynamicTriShape, RC_BSDynamicTriShape> },
             { "BSLODTriShape", &construct<BSLODTriShape, RC_BSLODTriShape> },
             { "BSMeshLODTriShape", &construct<BSMeshLODTriShape, RC_BSMeshLODTriShape> },
+            { "BSSegmentedTriShape", &construct<BSSegmentedTriShape, RC_BSSegmentedTriShape> },
 
             // PARTICLES
 
diff --git a/components/nif/node.cpp b/components/nif/node.cpp
index 9a40acc99a..860e75671f 100644
--- a/components/nif/node.cpp
+++ b/components/nif/node.cpp
@@ -196,6 +196,7 @@ namespace Nif
             {
                 case RC_NiTriShape:
                 case RC_BSLODTriShape:
+                case RC_BSSegmentedTriShape:
                     if (mData->recType != RC_NiTriShapeData)
                         mData = NiGeometryDataPtr(nullptr);
                     break;
@@ -217,6 +218,19 @@ namespace Nif
         }
     }
 
+    void BSSegmentedTriShape::read(NIFStream* nif)
+    {
+        NiTriShape::read(nif);
+
+        mSegments.resize(nif->get<uint32_t>());
+        for (SegmentData& segment : mSegments)
+        {
+            nif->read(segment.mFlags);
+            nif->read(segment.mStartIndex);
+            nif->read(segment.mNumTriangles);
+        }
+    }
+
     void BSLODTriShape::read(NIFStream* nif)
     {
         NiTriBasedGeom::read(nif);
diff --git a/components/nif/node.hpp b/components/nif/node.hpp
index d2857752c3..f560932e22 100644
--- a/components/nif/node.hpp
+++ b/components/nif/node.hpp
@@ -161,6 +161,20 @@ namespace Nif
     {
     };
 
+    struct BSSegmentedTriShape : NiTriShape
+    {
+        struct SegmentData
+        {
+            uint8_t mFlags;
+            uint32_t mStartIndex;
+            uint32_t mNumTriangles;
+        };
+
+        std::vector<SegmentData> mSegments;
+
+        void read(NIFStream* nif);
+    };
+
     struct NiTriStrips : NiTriBasedGeom
     {
     };
diff --git a/components/nif/record.hpp b/components/nif/record.hpp
index 6c7f802f8c..00eec64b24 100644
--- a/components/nif/record.hpp
+++ b/components/nif/record.hpp
@@ -120,6 +120,7 @@ namespace Nif
         RC_BSStripPSysData,
         RC_BSRefractionFirePeriodController,
         RC_BSRefractionStrengthController,
+        RC_BSSegmentedTriShape,
         RC_BSShaderNoLightingProperty,
         RC_BSShaderPPLightingProperty,
         RC_BSShaderProperty,