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Diffstat (limited to 'src/client/mesh.cpp')
| -rw-r--r-- | src/client/mesh.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/client/mesh.cpp b/src/client/mesh.cpp index 4d73ead8a..91781373c 100644 --- a/src/client/mesh.cpp +++ b/src/client/mesh.cpp @@ -328,6 +328,26 @@ void recalculateBoundingBox(scene::IMesh *src_mesh) src_mesh->setBoundingBox(bbox); } +bool checkMeshNormals(scene::IMesh *mesh) +{ + u32 buffer_count = mesh->getMeshBufferCount(); + + for (u32 i = 0; i < buffer_count; i++) { + scene::IMeshBuffer *buffer = mesh->getMeshBuffer(i); + + // Here we intentionally check only first normal, assuming that if buffer + // has it valid, then most likely all other ones are fine too. We can + // check all of the normals to have length, but it seems like an overkill + // hurting the performance and covering only really weird broken models. + f32 length = buffer->getNormal(0).getLength(); + + if (!isfinite(length) || fabs(length) < 1e-10) + return false; + } + + return true; +} + scene::IMeshBuffer* cloneMeshBuffer(scene::IMeshBuffer *mesh_buffer) { switch (mesh_buffer->getVertexType()) { |