From f61dcb2ec3dba8ebe0c8adc50cc2586d124a4aaf Mon Sep 17 00:00:00 2001
From: Benau <Benau@users.noreply.github.com>
Date: Thu, 19 May 2022 15:53:05 +0800
Subject: [PATCH] Allow reading spm vertices in physics

---
 src/physics/physical_object.cpp | 20 ++++++++++++++++++++
 src/tracks/track.cpp            | 26 ++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/src/physics/physical_object.cpp b/src/physics/physical_object.cpp
index ef2eafa02..06021d423 100644
--- a/src/physics/physical_object.cpp
+++ b/src/physics/physical_object.cpp
@@ -511,6 +511,26 @@ void PhysicalObject::init(const PhysicalObject::Settings& settings)
                                                    material                 );
                     }   // for j
                 }
+                else if (mb->getVertexType() == video::EVT_SKINNED_MESH)
+                {
+                    irr::video::S3DVertexSkinnedMesh* mbVertices =
+                        (video::S3DVertexSkinnedMesh*)mb->getVertices();
+                    for(unsigned int j=0; j<mb->getIndexCount(); j+=3)
+                    {
+                        for(unsigned int k=0; k<3; k++)
+                        {
+                            int indx=mbIndices[j+k];
+                            core::vector3df v = mbVertices[indx].m_position;
+                            //mat.transformVect(v);
+                            vertices[k]=v;
+                            normals[k]=MiniGLM::decompressVector3(mbVertices[indx].m_normal);
+                        }   // for k
+                        triangle_mesh->addTriangle(vertices[0], vertices[1],
+                                                   vertices[2], normals[0],
+                                                   normals[1],  normals[2],
+                                                   material                 );
+                    }   // for j
+                }
             }   // for i<getMeshBufferCount
         }
         triangle_mesh->createCollisionShape();
diff --git a/src/tracks/track.cpp b/src/tracks/track.cpp
index d22814fee..f0fbcbcb4 100644
--- a/src/tracks/track.cpp
+++ b/src/tracks/track.cpp
@@ -1134,6 +1134,32 @@ void Track::convertTrackToBullet(scene::ISceneNode *node)
                             normals[k] = mbVertices[indx].Normal;
                         }   // for k
 
+                        if (tmesh)
+                        {
+                            tmesh->addTriangle(vertices[0], vertices[1],
+                                vertices[2], normals[0],
+                                normals[1], normals[2],
+                                material);
+                        }
+                    }   // for j
+                } // for matrix_index
+            }
+            else if (mb->getVertexType() == video::EVT_SKINNED_MESH)
+            {
+                video::S3DVertexSkinnedMesh* mbVertices = (video::S3DVertexSkinnedMesh*)mb->getVertices();
+                for (unsigned int matrix_index = 0; matrix_index < matrices.size(); matrix_index++)
+                {
+                    for (unsigned int j = 0; j < mb->getIndexCount(); j += 3)
+                    {
+                        for (unsigned int k = 0; k < 3; k++)
+                        {
+                            int indx = mbIndices[j + k];
+                            core::vector3df v = mbVertices[indx].m_position;
+                            matrices[matrix_index].transformVect(v);
+                            vertices[k] = v;
+                            normals[k] = MiniGLM::decompressVector3(mbVertices[indx].m_normal);
+                        }   // for k
+
                         if (tmesh)
                         {
                             tmesh->addTriangle(vertices[0], vertices[1],