Provide ray hit/nearest information on which side of the quad the ray hit.

Patch by MiikaH.

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_kdopbvh.h b/source/blender/blenlib/BLI_kdopbvh.h
index 7041c122ff9..5ec8247c03a 100644
--- a/source/blender/blenlib/BLI_kdopbvh.h
+++ b/source/blender/blenlib/BLI_kdopbvh.h
@@ -49,11 +49,15 @@ typedef struct BVHTreeOverlap {
 	int indexB;
 } BVHTreeOverlap;
 
+/* flags */
+#define BVH_ONQUAD (1<<0)
+
 typedef struct BVHTreeNearest {
 	int index;          /* the index of the nearest found (untouched if none is found within a dist radius from the given coordinates) */
 	float co[3];        /* nearest coordinates (untouched it none is found within a dist radius from the given coordinates) */
 	float no[3];        /* normal at nearest coordinates (untouched it none is found within a dist radius from the given coordinates) */
 	float dist;         /* squared distance to search arround */
+	int flags;
 } BVHTreeNearest;
 
 typedef struct BVHTreeRay {
@@ -67,6 +71,7 @@ typedef struct BVHTreeRayHit {
 	float co[3];        /* coordinates of the hit point */
 	float no[3];        /* normal on hit point */
 	float dist;         /* distance to the hit point */
+	int flags;
 } BVHTreeRayHit;
 
 /* callback must update nearest in case it finds a nearest result */