patch [#30602] Wiki Quick Hack: Apply Transformation To Lattices

from Justin Dailey (dail)

diff --git a/source/blender/editors/object/object_transform.c b/source/blender/editors/object/object_transform.c
index 57cc034aaaae287f6614892c86235b809ff6ce8a..0f64e69d9f8c99b10721b482666f23ad8f9fec28 100644 (file)
--- a/source/blender/editors/object/object_transform.c
+++ b/source/blender/editors/object/object_transform.c
@@ -40,6 +40,7 @@
 #include "DNA_object_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_group_types.h"
+#include "DNA_lattice_types.h"
 
 #include "BLI_math.h"
 #include "BLI_listbase.h"
@@ -398,6 +399,12 @@ static int apply_objects_internal(bContext *C, ReportList *reports, int apply_lo
                                return OPERATOR_CANCELLED;
                        }
                }
+               else if (ob->type == OB_LATTICE) {
+                       if(ID_REAL_USERS(ob->data) > 1) {
+                               BKE_report(reports, RPT_ERROR, "Can't apply to a multi user lattice, doing nothing");
+                               return OPERATOR_CANCELLED;
+                       }
+               }
                else if(ELEM(ob->type, OB_CURVE, OB_SURF)) {
                        Curve *cu;
 
@@ -487,6 +494,16 @@ static int apply_objects_internal(bContext *C, ReportList *reports, int apply_lo
                else if (ob->type==OB_ARMATURE) {
                        ED_armature_apply_transform(ob, mat);
                }
+               else if (ob->type == OB_LATTICE) {
+                       Lattice *lt = ob->data;
+                       BPoint *bp = lt->def;
+                       int a = lt->pntsu * lt->pntsv * lt->pntsw;
+                       
+                       while (a--) {
+                               mul_m4_v3(mat, bp->vec);
+                               bp++;
+                       }
+               }
                else if(ELEM(ob->type, OB_CURVE, OB_SURF)) {
                        Curve *cu= ob->data;