Shapekeys for curves/surfeces

Fix #21498: Edit curve Shape key /252_r 27318

Added full support of shape keys for curves and nurbs surfaces including
topology changing in edit mode, undo stuff, updating relative keys when
working under basis and so on.

1 files changed, 8 insertions, 9 deletions

diff --git a/source/blender/blenkernel/intern/displist.c b/source/blender/blenkernel/intern/displist.c
index bb020c936a6..ca659faa972 100644
--- a/source/blender/blenkernel/intern/displist.c
+++ b/source/blender/blenkernel/intern/displist.c
@@ -63,6 +63,7 @@
 
 #include "BLO_sys_types.h" // for intptr_t support
 
+#include "ED_curve.h" /* for BKE_curve_nurbs */
 
 static void boundbox_displist(Object *ob);
 
@@ -1221,7 +1222,7 @@ static void curve_calc_modifiers_pre(Scene *scene, Object *ob, int forRender, fl
 	ModifierData *md = modifiers_getVirtualModifierList(ob);
 	ModifierData *preTesselatePoint;
 	Curve *cu= ob->data;
-	ListBase *nurb= cu->editnurb?cu->editnurb:&cu->nurb;
+	ListBase *nurb= BKE_curve_nurbs(cu);
 	int numVerts = 0;
 	int editmode = (!forRender && cu->editnurb);
 	float (*originalVerts)[3] = NULL;
@@ -1324,8 +1325,9 @@ static void curve_calc_modifiers_post(Scene *scene, Object *ob, ListBase *dispba
 	ModifierData *md = modifiers_getVirtualModifierList(ob);
 	ModifierData *preTesselatePoint;
 	Curve *cu= ob->data;
-	ListBase *nurb= cu->editnurb?cu->editnurb:&cu->nurb;
-	int required_mode, totvert = 0;
+	ListBase *nurb= BKE_curve_nurbs(cu);
+	DispList *dl;
+	int required_mode = 0, totvert = 0;
 	int editmode = (!forRender && cu->editnurb);
 	DerivedMesh *dm= NULL, *ndm;
 	float (*vertCos)[3] = NULL;
@@ -1590,9 +1592,9 @@ void makeDispListSurf(Scene *scene, Object *ob, ListBase *dispbase,
 	int numVerts;
 	float (*originalVerts)[3];
 	float (*deformedVerts)[3];
-		
+
 	if(!forRender && cu->editnurb)
-		nubase= cu->editnurb;
+		nubase= ED_curve_editnurbs(cu);
 	else
 		nubase= &cu->nurb;
 
@@ -1689,10 +1691,7 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba
 			cu->taperobj = NULL;
 		}
 
-		if(cu->editnurb)
-			nubase= cu->editnurb;
-		else
-			nubase= &cu->nurb;
+		nubase= BKE_curve_nurbs(cu);
 
 		BLI_freelistN(&(cu->bev));