Commit: 3047b96eaa962fe45d2333f5ea4be809e02787cd
Author: Philipp Oeser
Date:   Mon Aug 17 16:59:32 2015 +0200
Branches: master
https://developer.blender.org/rB3047b96eaa962fe45d2333f5ea4be809e02787cd

Lattice min_max: add a version of the func using lattice's final DispList,
and use it for bbox computing.

Revision: https://developer.blender.org/D1462

===================================================================

M       source/blender/blenkernel/BKE_lattice.h
M       source/blender/blenkernel/intern/lattice.c

===================================================================

diff --git a/source/blender/blenkernel/BKE_lattice.h 
b/source/blender/blenkernel/BKE_lattice.h
index e91d0e0..677d8e3 100644
--- a/source/blender/blenkernel/BKE_lattice.h
+++ b/source/blender/blenkernel/BKE_lattice.h
@@ -81,6 +81,7 @@ struct MDeformVert *BKE_lattice_deform_verts_get(struct 
Object *lattice);
 struct BPoint *BKE_lattice_active_point_get(struct Lattice *lt);
 
 struct BoundBox *BKE_lattice_boundbox_get(struct Object *ob);
+void BKE_lattice_minmax_dl(struct Object *ob, struct Lattice *lt, float 
min[3], float max[3]);
 void BKE_lattice_minmax(struct Lattice *lt, float min[3], float max[3]);
 void BKE_lattice_center_median(struct Lattice *lt, float cent[3]);
 void BKE_lattice_center_bounds(struct Lattice *lt, float cent[3]);
diff --git a/source/blender/blenkernel/intern/lattice.c 
b/source/blender/blenkernel/intern/lattice.c
index d3f666e..009e1d2 100644
--- a/source/blender/blenkernel/intern/lattice.c
+++ b/source/blender/blenkernel/intern/lattice.c
@@ -1152,7 +1152,7 @@ static void boundbox_lattice(Object *ob)
        lt = ob->data;
 
        INIT_MINMAX(min, max);
-       BKE_lattice_minmax(lt, min, max);
+       BKE_lattice_minmax_dl(ob, lt, min, max);
        BKE_boundbox_init_from_minmax(bb, min, max);
 }
 
@@ -1163,6 +1163,24 @@ BoundBox *BKE_lattice_boundbox_get(Object *ob)
        return ob->bb;
 }
 
+void BKE_lattice_minmax_dl(Object *ob, Lattice *lt, float min[3], float max[3])
+{
+       DispList *dl = ob->curve_cache ? 
BKE_displist_find(&ob->curve_cache->disp, DL_VERTS) : NULL;
+
+       if (!dl) {
+               BKE_lattice_minmax(lt, min, max);
+       }
+       else {
+               int i, numVerts;
+               
+               if (lt->editlatt) lt = lt->editlatt->latt;
+               numVerts = lt->pntsu * lt->pntsv * lt->pntsw;
+
+               for (i = 0; i < numVerts; i++)
+                       minmax_v3v3_v3(min, max, &dl->verts[i * 3]);
+       }
+}
+
 void BKE_lattice_minmax(Lattice *lt, float min[3], float max[3])
 {
        int i, numVerts;

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