BKE bvhtree: Add `tree_type` parameter to `bvhtree_from_mesh_get`.

This will allow greater control of the bvhtrees that are obtained, and helps identify problems.
It is also an additional step to unify the functions.

2 files changed, 9 insertions, 1 deletions

diff --git a/source/blender/blenlib/BLI_kdopbvh.h b/source/blender/blenlib/BLI_kdopbvh.h
index db53035dc7b..c92f40c67bf 100644
--- a/source/blender/blenlib/BLI_kdopbvh.h
+++ b/source/blender/blenlib/BLI_kdopbvh.h
@@ -130,7 +130,7 @@ BVHTreeOverlap *BLI_bvhtree_overlap(
         BVHTree_OverlapCallback callback, void *userdata);
 
 int   BLI_bvhtree_get_len(const BVHTree *tree);
-
+int   BLI_bvhtree_get_tree_type(const BVHTree *tree);
 float BLI_bvhtree_get_epsilon(const BVHTree *tree);
 
 /* find nearest node to the given coordinates
diff --git a/source/blender/blenlib/intern/BLI_kdopbvh.c b/source/blender/blenlib/intern/BLI_kdopbvh.c
index 44ff78ea71a..027c6e084f5 100644
--- a/source/blender/blenlib/intern/BLI_kdopbvh.c
+++ b/source/blender/blenlib/intern/BLI_kdopbvh.c
@@ -1151,6 +1151,14 @@ int BLI_bvhtree_get_len(const BVHTree *tree)
 	return tree->totleaf;
 }
 
+/**
+ * Maximum number of children that a node can have.
+ */
+int BLI_bvhtree_get_tree_type(const BVHTree *tree)
+{
+	return tree->tree_type;
+}
+
 float BLI_bvhtree_get_epsilon(const BVHTree *tree)
 {
 	return tree->epsilon;