diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_evaluate.c')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_evaluate.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/source/blender/blenkernel/intern/mesh_evaluate.c b/source/blender/blenkernel/intern/mesh_evaluate.c index 915abdb6766..bdc8cd269b0 100644 --- a/source/blender/blenkernel/intern/mesh_evaluate.c +++ b/source/blender/blenkernel/intern/mesh_evaluate.c @@ -320,10 +320,28 @@ void BKE_mesh_calc_normals_tessface(MVert *mverts, int numVerts, MFace *mfaces, * Compute split normals, i.e. vertex normals associated with each poly (hence 'loop normals'). * Useful to materialize sharp edges (or non-smooth faces) without actually modifying the geometry (splitting edges). */ -void BKE_mesh_normals_loop_split(MVert *mverts, const int UNUSED(numVerts), MEdge *medges, const int numEdges, - MLoop *mloops, float (*r_loopnors)[3], const int numLoops, - MPoly *mpolys, float (*polynors)[3], const int numPolys, float split_angle) +void BKE_mesh_normals_loop_split( + MVert *mverts, const int UNUSED(numVerts), MEdge *medges, const int numEdges, + MLoop *mloops, float (*r_loopnors)[3], const int numLoops, + MPoly *mpolys, float (*polynors)[3], const int numPolys, + const bool use_split_normals, float split_angle) { + if (!use_split_normals) { + /* In this case, we simply fill lnors with vnors, quite simple! + * Note this is done here to keep some logic and consistancy in this quite complex code, + * since we may want to use lnors even when mesh's 'autosmooth' is disabled (see e.g. mesh mapping code). + * As usual, we could handle that on case-by-case basis, but simpler to keep it well confined here. + */ + int i; + + for (i = 0; i < numLoops; i++) { + normal_short_to_float_v3(r_loopnors[i], mverts[mloops[i].v].no); + } + return; + } + + { + #define INDEX_UNSET INT_MIN #define INDEX_INVALID -1 /* See comment about edge_to_loops below. */ @@ -588,6 +606,8 @@ void BKE_mesh_normals_loop_split(MVert *mverts, const int UNUSED(numVerts), MEdg #undef INDEX_UNSET #undef INDEX_INVALID #undef IS_EDGE_SHARP + + } } |