Cleanup/Refactor: Move CurveCache runtime data into Object.runtime struct.

Also, fix missing cleanup of Object.runtime when copying Object
datablocks!

27 files changed, 131 insertions, 138 deletions

diff --git a/source/blender/alembic/intern/abc_mball.cc b/source/blender/alembic/intern/abc_mball.cc
index d6e54407922..62ab561274a 100644
--- a/source/blender/alembic/intern/abc_mball.cc
+++ b/source/blender/alembic/intern/abc_mball.cc
@@ -52,7 +52,7 @@ AbcMBallWriter::AbcMBallWriter(
 	m_is_animated = isAnimated();
 
 	m_mesh_ob = BKE_object_copy(bmain, ob);
-	m_mesh_ob->curve_cache = (CurveCache *)MEM_callocN(
+	m_mesh_ob->runtime.curve_cache = (CurveCache *)MEM_callocN(
 	                             sizeof(CurveCache),
 	                             "CurveCache for AbcMBallWriter");
 
diff --git a/source/blender/alembic/intern/abc_nurbs.cc b/source/blender/alembic/intern/abc_nurbs.cc
index 95d06fc5efe..bf41b44e418 100644
--- a/source/blender/alembic/intern/abc_nurbs.cc
+++ b/source/blender/alembic/intern/abc_nurbs.cc
@@ -130,8 +130,8 @@ void AbcNurbsWriter::do_write()
 	Curve *curve = static_cast<Curve *>(m_object->data);
 	ListBase *nulb;
 
-	if (m_object->curve_cache->deformed_nurbs.first != NULL) {
-		nulb = &m_object->curve_cache->deformed_nurbs;
+	if (m_object->runtime.curve_cache->deformed_nurbs.first != NULL) {
+		nulb = &m_object->runtime.curve_cache->deformed_nurbs;
 	}
 	else {
 		nulb = BKE_curve_nurbs_get(curve);
diff --git a/source/blender/blenkernel/intern/anim.c b/source/blender/blenkernel/intern/anim.c
index a867accfe44..7df889d22b2 100644
--- a/source/blender/blenkernel/intern/anim.c
+++ b/source/blender/blenkernel/intern/anim.c
@@ -537,18 +537,18 @@ void calc_curvepath(Object *ob, ListBase *nurbs)
 		return;
 	}
 
-	if (ob->curve_cache->path) free_path(ob->curve_cache->path);
-	ob->curve_cache->path = NULL;
+	if (ob->runtime.curve_cache->path) free_path(ob->runtime.curve_cache->path);
+	ob->runtime.curve_cache->path = NULL;
 
 	/* weak! can only use first curve */
-	bl = ob->curve_cache->bev.first;
+	bl = ob->runtime.curve_cache->bev.first;
 	if (bl == NULL || !bl->nr) {
 		return;
 	}
 
 	nu = nurbs->first;
 
-	ob->curve_cache->path = path = MEM_callocN(sizeof(Path), "calc_curvepath");
+	ob->runtime.curve_cache->path = path = MEM_callocN(sizeof(Path), "calc_curvepath");
 
 	/* if POLY: last vertice != first vertice */
 	cycl = (bl->poly != -1);
@@ -665,15 +665,15 @@ int where_on_path(Object *ob, float ctime, float vec[4], float dir[3], float qua
 
 	if (ob == NULL || ob->type != OB_CURVE) return 0;
 	cu = ob->data;
-	if (ob->curve_cache == NULL || ob->curve_cache->path == NULL || ob->curve_cache->path->data == NULL) {
+	if (ob->runtime.curve_cache == NULL || ob->runtime.curve_cache->path == NULL || ob->runtime.curve_cache->path->data == NULL) {
 		printf("no path!\n");
 		return 0;
 	}
-	path = ob->curve_cache->path;
+	path = ob->runtime.curve_cache->path;
 	pp = path->data;
 
 	/* test for cyclic */
-	bl = ob->curve_cache->bev.first;
+	bl = ob->runtime.curve_cache->bev.first;
 	if (!bl) return 0;
 	if (!bl->nr) return 0;
 	if (bl->poly > -1) cycl = 1;
diff --git a/source/blender/blenkernel/intern/armature_update.c b/source/blender/blenkernel/intern/armature_update.c
index 628f92c7803..26fbd22c67e 100644
--- a/source/blender/blenkernel/intern/armature_update.c
+++ b/source/blender/blenkernel/intern/armature_update.c
@@ -201,7 +201,7 @@ static void splineik_init_tree_from_pchan(Scene *scene, Object *UNUSED(ob), bPos
 
 		/* get the current length of the curve */
 		/* NOTE: this is assumed to be correct even after the curve was resized */
-		splineLen = ikData->tar->curve_cache->path->totdist;
+		splineLen = ikData->tar->runtime.curve_cache->path->totdist;
 
 		/* calculate the scale factor to multiply all the path values by so that the
 		 * bone chain retains its current length, such that
diff --git a/source/blender/blenkernel/intern/cdderivedmesh.c b/source/blender/blenkernel/intern/cdderivedmesh.c
index 72a1f941c26..3f50321b4d5 100644
--- a/source/blender/blenkernel/intern/cdderivedmesh.c
+++ b/source/blender/blenkernel/intern/cdderivedmesh.c
@@ -655,8 +655,8 @@ DerivedMesh *CDDM_from_curve(Object *ob)
 {
 	ListBase disp = {NULL, NULL};
 
-	if (ob->curve_cache) {
-		disp = ob->curve_cache->disp;
+	if (ob->runtime.curve_cache) {
+		disp = ob->runtime.curve_cache->disp;
 	}
 
 	return CDDM_from_curve_displist(ob, &disp);
diff --git a/source/blender/blenkernel/intern/constraint.c b/source/blender/blenkernel/intern/constraint.c
index 5aa192d527a..ef412f0006e 100644
--- a/source/blender/blenkernel/intern/constraint.c
+++ b/source/blender/blenkernel/intern/constraint.c
@@ -496,7 +496,7 @@ static void contarget_get_lattice_mat(Object *ob, const char *substring, float m
 {
 	Lattice *lt = (Lattice *)ob->data;
 
-	DispList *dl = ob->curve_cache ? BKE_displist_find(&ob->curve_cache->disp, DL_VERTS) : NULL;
+	DispList *dl = ob->runtime.curve_cache ? BKE_displist_find(&ob->runtime.curve_cache->disp, DL_VERTS) : NULL;
 	const float *co = dl ? dl->verts : NULL;
 	BPoint *bp = lt->def;
 
@@ -1266,7 +1266,7 @@ static void followpath_get_tarmat(struct Depsgraph *UNUSED(depsgraph),
 		 *		currently for paths to work it needs to go through the bevlist/displist system (ton)
 		 */
 
-		if (ct->tar->curve_cache && ct->tar->curve_cache->path && ct->tar->curve_cache->path->data) {
+		if (ct->tar->runtime.curve_cache && ct->tar->runtime.curve_cache->path && ct->tar->runtime.curve_cache->path->data) {
 			float quat[4];
 			if ((data->followflag & FOLLOWPATH_STATIC) == 0) {
 				/* animated position along curve depending on time */
@@ -2037,7 +2037,7 @@ static void pycon_get_tarmat(struct Depsgraph *UNUSED(depsgraph),
 #endif
 
 	if (VALID_CONS_TARGET(ct)) {
-		if (ct->tar->type == OB_CURVE && ct->tar->curve_cache == NULL) {
+		if (ct->tar->type == OB_CURVE && ct->tar->runtime.curve_cache == NULL) {
 			unit_m4(ct->matrix);
 			return;
 		}
@@ -3104,7 +3104,7 @@ static void clampto_evaluate(bConstraint *con, bConstraintOb *cob, ListBase *tar
 		BKE_object_minmax(ct->tar, curveMin, curveMax, true);
 
 		/* get targetmatrix */
-		if (data->tar->curve_cache &&  data->tar->curve_cache->path && data->tar->curve_cache->path->data) {
+		if (data->tar->runtime.curve_cache &&  data->tar->runtime.curve_cache->path && data->tar->runtime.curve_cache->path->data) {
 			float vec[4], dir[3], totmat[4][4];
 			float curvetime;
 			short clamp_axis;
diff --git a/source/blender/blenkernel/intern/curve.c b/source/blender/blenkernel/intern/curve.c
index 33a24f77937..39b28540205 100644
--- a/source/blender/blenkernel/intern/curve.c
+++ b/source/blender/blenkernel/intern/curve.c
@@ -1752,11 +1752,11 @@ void BKE_curve_bevel_make(
 				BKE_displist_make_curveTypes_forRender(depsgraph, scene, cu->bevobj, &bevdisp, NULL, false, use_render_resolution);
 				dl = bevdisp.first;
 			}
-			else if (cu->bevobj->curve_cache) {
-				dl = cu->bevobj->curve_cache->disp.first;
+			else if (cu->bevobj->runtime.curve_cache) {
+				dl = cu->bevobj->runtime.curve_cache->disp.first;
 			}
 			else {
-				BLI_assert(cu->bevobj->curve_cache != NULL);
+				BLI_assert(cu->bevobj->runtime.curve_cache != NULL);
 				dl = NULL;
 			}
 
@@ -2669,14 +2669,14 @@ void BKE_curve_bevelList_make(Object *ob, ListBase *nurbs, bool for_render)
 		ELEM(cu->bevfac2_mapping, CU_BEVFAC_MAP_SEGMENT, CU_BEVFAC_MAP_SPLINE);
 
 
-	bev = &ob->curve_cache->bev;
+	bev = &ob->runtime.curve_cache->bev;
 
 	/* do we need to calculate the radius for each point? */
 	/* do_radius = (cu->bevobj || cu->taperobj || (cu->flag & CU_FRONT) || (cu->flag & CU_BACK)) ? 0 : 1; */
 
 	/* STEP 1: MAKE POLYS  */
 
-	BKE_curve_bevelList_free(&ob->curve_cache->bev);
+	BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
 	nu = nurbs->first;
 	if (cu->editnurb && ob->type != OB_FONT) {
 		is_editmode = 1;
diff --git a/source/blender/blenkernel/intern/displist.c b/source/blender/blenkernel/intern/displist.c
index 34fd32b2908..562e2257ea0 100644
--- a/source/blender/blenkernel/intern/displist.c
+++ b/source/blender/blenkernel/intern/displist.c
@@ -692,10 +692,10 @@ static float displist_calc_taper(Depsgraph *depsgraph, Scene *scene, Object *tap
 	if (taperobj == NULL || taperobj->type != OB_CURVE)
 		return 1.0;
 
-	dl = taperobj->curve_cache ? taperobj->curve_cache->disp.first : NULL;
+	dl = taperobj->runtime.curve_cache ? taperobj->runtime.curve_cache->disp.first : NULL;
 	if (dl == NULL) {
 		BKE_displist_make_curveTypes(depsgraph, scene, taperobj, 0);
-		dl = taperobj->curve_cache->disp.first;
+		dl = taperobj->runtime.curve_cache->disp.first;
 	}
 	if (dl) {
 		float minx, dx, *fp;
@@ -738,17 +738,17 @@ void BKE_displist_make_mball(Depsgraph *depsgraph, Scene *scene, Object *ob)
 		return;
 
 	if (ob == BKE_mball_basis_find(scene, ob)) {
-		if (ob->curve_cache) {
-			BKE_displist_free(&(ob->curve_cache->disp));
+		if (ob->runtime.curve_cache) {
+			BKE_displist_free(&(ob->runtime.curve_cache->disp));
 		}
 		else {
-			ob->curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for MBall");
+			ob->runtime.curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for MBall");
 		}
 
-		BKE_mball_polygonize(depsgraph, scene, ob, &ob->curve_cache->disp);
+		BKE_mball_polygonize(depsgraph, scene, ob, &ob->runtime.curve_cache->disp);
 		BKE_mball_texspace_calc(ob);
 
-		object_deform_mball(ob, &ob->curve_cache->disp);
+		object_deform_mball(ob, &ob->runtime.curve_cache->disp);
 
 		/* NOP for MBALLs anyway... */
 		boundbox_displist_object(ob);
@@ -1314,7 +1314,7 @@ void BKE_displist_make_surf(
 	}
 
 	if (!for_orco) {
-		BKE_nurbList_duplicate(&ob->curve_cache->deformed_nurbs, &nubase);
+		BKE_nurbList_duplicate(&ob->runtime.curve_cache->deformed_nurbs, &nubase);
 		curve_calc_modifiers_post(depsgraph, scene, ob, &nubase, dispbase, r_dm_final,
 		                          for_render, use_render_resolution);
 	}
@@ -1558,15 +1558,15 @@ static void do_makeDispListCurveTypes(
 		ListBase dlbev;
 		ListBase nubase = {NULL, NULL};
 
-		BKE_curve_bevelList_free(&ob->curve_cache->bev);
+		BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
 
 		/* We only re-evaluate path if evaluation is not happening for orco.
 		 * If the calculation happens for orco, we should never free data which
 		 * was needed before and only not needed for orco calculation.
 		 */
 		if (!for_orco) {
-			if (ob->curve_cache->path) free_path(ob->curve_cache->path);
-			ob->curve_cache->path = NULL;
+			if (ob->runtime.curve_cache->path) free_path(ob->runtime.curve_cache->path);
+			ob->runtime.curve_cache->path = NULL;
 		}
 
 		if (ob->type == OB_FONT) {
@@ -1590,7 +1590,7 @@ static void do_makeDispListCurveTypes(
 		}
 		else {
 			float widfac = cu->width - 1.0f;
-			BevList *bl = ob->curve_cache->bev.first;
+			BevList *bl = ob->runtime.curve_cache->bev.first;
 			Nurb *nu = nubase.first;
 
 			for (; bl && nu; bl = bl->next, nu = nu->next) {
@@ -1777,7 +1777,7 @@ static void do_makeDispListCurveTypes(
 		}
 
 		if (!for_orco) {
-			BKE_nurbList_duplicate(&ob->curve_cache->deformed_nurbs, &nubase);
+			BKE_nurbList_duplicate(&ob->runtime.curve_cache->deformed_nurbs, &nubase);
 			curve_calc_modifiers_post(depsgraph, scene, ob, &nubase, dispbase, r_dm_final, for_render, use_render_resolution);
 		}
 
@@ -1801,11 +1801,11 @@ void BKE_displist_make_curveTypes(Depsgraph *depsgraph, Scene *scene, Object *ob
 
 	BKE_object_free_derived_caches(ob);
 
-	if (!ob->curve_cache) {
-		ob->curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for curve types");
+	if (!ob->runtime.curve_cache) {
+		ob->runtime.curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for curve types");
 	}
 
-	dispbase = &(ob->curve_cache->disp);
+	dispbase = &(ob->runtime.curve_cache->disp);
 
 	do_makeDispListCurveTypes(depsgraph, scene, ob, dispbase, &ob->derivedFinal, 0, for_orco, 0);
 
@@ -1817,8 +1817,8 @@ void BKE_displist_make_curveTypes_forRender(
         DerivedMesh **r_dm_final, const bool for_orco,
         const bool use_render_resolution)
 {
-	if (ob->curve_cache == NULL) {
-		ob->curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for Curve");
+	if (ob->runtime.curve_cache == NULL) {
+		ob->runtime.curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for Curve");
 	}
 
 	do_makeDispListCurveTypes(depsgraph, scene, ob, dispbase, r_dm_final, true, for_orco, use_render_resolution);
@@ -1827,8 +1827,8 @@ void BKE_displist_make_curveTypes_forRender(
 void BKE_displist_make_curveTypes_forOrco(
         Depsgraph *depsgraph, Scene *scene, Object *ob, ListBase *dispbase)
 {
-	if (ob->curve_cache == NULL) {
-		ob->curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for Curve");
+	if (ob->runtime.curve_cache == NULL) {
+		ob->runtime.curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for Curve");
 	}
 
 	do_makeDispListCurveTypes(depsgraph, scene, ob, dispbase, NULL, 1, 1, 1);
@@ -1903,7 +1903,7 @@ static void boundbox_displist_object(Object *ob)
 			float min[3], max[3];
 
 			INIT_MINMAX(min, max);
-			BKE_displist_minmax(&ob->curve_cache->disp, min, max);
+			BKE_displist_minmax(&ob->runtime.curve_cache->disp, min, max);
 			BKE_boundbox_init_from_minmax(ob->bb, min, max);
 
 			ob->bb->flag &= ~BOUNDBOX_DIRTY;
diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c
index b6eb26443ea..52ea4bf4a5e 100644
--- a/source/blender/blenkernel/intern/effect.c
+++ b/source/blender/blenkernel/intern/effect.c
@@ -163,10 +163,10 @@ static void precalculate_effector(struct Depsgraph *depsgraph, EffectorCache *ef
 	if (eff->pd->forcefield == PFIELD_GUIDE && eff->ob->type==OB_CURVE) {
 		Curve *cu= eff->ob->data;
 		if (cu->flag & CU_PATH) {
-			if (eff->ob->curve_cache == NULL || eff->ob->curve_cache->path==NULL || eff->ob->curve_cache->path->data==NULL)
+			if (eff->ob->runtime.curve_cache == NULL || eff->ob->runtime.curve_cache->path==NULL || eff->ob->runtime.curve_cache->path->data==NULL)
 				BKE_displist_make_curveTypes(depsgraph, eff->scene, eff->ob, 0);
 
-			if (eff->ob->curve_cache->path && eff->ob->curve_cache->path->data) {
+			if (eff->ob->runtime.curve_cache->path && eff->ob->runtime.curve_cache->path->data) {
 				where_on_path(eff->ob, 0.0, eff->guide_loc, eff->guide_dir, NULL, &eff->guide_radius, NULL);
 				mul_m4_v3(eff->ob->obmat, eff->guide_loc);
 				mul_mat3_m4_v3(eff->ob->obmat, eff->guide_dir);
diff --git a/source/blender/blenkernel/intern/font.c b/source/blender/blenkernel/intern/font.c
index 36633663f9d..b5fba6d30e8 100644
--- a/source/blender/blenkernel/intern/font.c
+++ b/source/blender/blenkernel/intern/font.c
@@ -1075,8 +1075,8 @@ makebreak:
 	/* TEXT ON CURVE */
 	/* Note: Only OB_CURVE objects could have a path  */
 	if (cu->textoncurve && cu->textoncurve->type == OB_CURVE) {
-		BLI_assert(cu->textoncurve->curve_cache != NULL);
-		if (cu->textoncurve->curve_cache->path) {
+		BLI_assert(cu->textoncurve->runtime.curve_cache != NULL);
+		if (cu->textoncurve->runtime.curve_cache->path) {
 			float distfac, imat[4][4], imat3[3][3], cmat[3][3];
 			float minx, maxx, miny, maxy;
 			float timeofs, sizefac;
@@ -1106,7 +1106,7 @@ makebreak:
 			/* we put the x-coordinaat exact at the curve, the y is rotated */
 
 			/* length correction */
-			distfac = sizefac * cu->textoncurve->curve_cache->path->totdist / (maxx - minx);
+			distfac = sizefac * cu->textoncurve->runtime.curve_cache->path->totdist / (maxx - minx);
 			timeofs = 0.0f;
 
 			if (distfac > 1.0f) {
diff --git a/source/blender/blenkernel/intern/lattice.c b/source/blender/blenkernel/intern/lattice.c
index 78ff43c2981..04830eb1081 100644
--- a/source/blender/blenkernel/intern/lattice.c
+++ b/source/blender/blenkernel/intern/lattice.c
@@ -211,9 +211,9 @@ void BKE_lattice_resize(Lattice *lt, int uNew, int vNew, int wNew, Object *ltOb)
 		/* works best if we force to linear type (endpoints match) */
 		lt->typeu = lt->typev = lt->typew = KEY_LINEAR;
 
-		if (ltOb->curve_cache) {
+		if (ltOb->runtime.curve_cache) {
 			/* prevent using deformed locations */
-			BKE_displist_free(&ltOb->curve_cache->disp);
+			BKE_displist_free(&ltOb->runtime.curve_cache->disp);
 		}
 
 		copy_m4_m4(mat, ltOb->obmat);
@@ -349,7 +349,7 @@ LatticeDeformData *init_latt_deform(Object *oblatt, Object *ob)
 	/* we make an array with all differences */
 	Lattice *lt = oblatt->data;
 	BPoint *bp;
-	DispList *dl = oblatt->curve_cache ? BKE_displist_find(&oblatt->curve_cache->disp, DL_VERTS) : NULL;
+	DispList *dl = oblatt->runtime.curve_cache ? BKE_displist_find(&oblatt->runtime.curve_cache->disp, DL_VERTS) : NULL;
 	const float *co = dl ? dl->verts : NULL;
 	float *fp, imat[4][4];
 	float fu, fv, fw;
@@ -558,7 +558,7 @@ static bool where_on_path_deform(Object *ob, float ctime, float vec[4], float di
 	int cycl = 0;
 
 	/* test for cyclic */
-	bl = ob->curve_cache->bev.first;
+	bl = ob->runtime.curve_cache->bev.first;
 	if (!bl->nr) return false;
 	if (bl->poly > -1) cycl = 1;
 
@@ -573,7 +573,7 @@ static bool where_on_path_deform(Object *ob, float ctime, float vec[4], float di
 	if (where_on_path(ob, ctime1, vec, dir, quat, radius, NULL)) {
 
 		if (cycl == 0) {
-			Path *path = ob->curve_cache->path;
+			Path *path = ob->runtime.curve_cache->path;
 			float dvec[3];
 
 			if (ctime < 0.0f) {
@@ -610,12 +610,12 @@ static bool calc_curve_deform(Object *par, float co[3],
 	short index;
 	const bool is_neg_axis = (axis > 2);
 
-	if (par->curve_cache == NULL) {
+	if (par->runtime.curve_cache == NULL) {
 		/* Happens with a cyclic dependencies. */
 		return false;
 	}
 
-	if (par->curve_cache->path == NULL) {
+	if (par->runtime.curve_cache->path == NULL) {
 		return false;  /* happens on append, cyclic dependencies and empty curves */
 	}
 
@@ -625,7 +625,7 @@ static bool calc_curve_deform(Object *par, float co[3],
 		if (cu->flag & CU_STRETCH)
 			fac = (-co[index] - cd->dmax[index]) / (cd->dmax[index] - cd->dmin[index]);
 		else
-			fac = -(co[index] - cd->dmax[index]) / (par->curve_cache->path->totdist);
+			fac = -(co[index] - cd->dmax[index]) / (par->runtime.curve_cache->path->totdist);
 	}
 	else {
 		index = axis;
@@ -633,8 +633,8 @@ static bool calc_curve_deform(Object *par, float co[3],
 			fac = (co[index] - cd->dmin[index]) / (cd->dmax[index] - cd->dmin[index]);
 		}
 		else {
-			if (LIKELY(par->curve_cache->path->totdist > FLT_EPSILON)) {
-				fac = +(co[index] - cd->dmin[index]) / (par->curve_cache->path->totdist);
+			if (LIKELY(par->runtime.curve_cache->path->totdist > FLT_EPSILON)) {
+				fac = +(co[index] - cd->dmin[index]) / (par->runtime.curve_cache->path->totdist);
 			}
 			else {
 				fac = 0.0f;
@@ -1035,11 +1035,11 @@ void BKE_lattice_modifiers_calc(struct Depsgraph *depsgraph, Scene *scene, Objec
 	int numVerts, editmode = (lt->editlatt != NULL);
 	const ModifierEvalContext mectx = {depsgraph, ob, 0};
 
-	if (ob->curve_cache) {
-		BKE_displist_free(&ob->curve_cache->disp);
+	if (ob->runtime.curve_cache) {
+		BKE_displist_free(&ob->runtime.curve_cache->disp);
 	}
 	else {
-		ob->curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for lattice");
+		ob->runtime.curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for lattice");
 	}
 
 	for (; md; md = md->next) {
@@ -1071,7 +1071,7 @@ void BKE_lattice_modifiers_calc(struct Depsgraph *depsgraph, Scene *scene, Objec
 		dl->nr = numVerts;
 		dl->verts = (float *) vertexCos;
 
-		BLI_addtail(&ob->curve_cache->disp, dl);
+		BLI_addtail(&ob->runtime.curve_cache->disp, dl);
 	}
 }
 
@@ -1145,7 +1145,7 @@ BoundBox *BKE_lattice_boundbox_get(Object *ob)
 
 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;
+	DispList *dl = ob->runtime.curve_cache ? BKE_displist_find(&ob->runtime.curve_cache->disp, DL_VERTS) : NULL;
 
 	if (!dl) {
 		BKE_lattice_minmax(lt, min, max);
diff --git a/source/blender/blenkernel/intern/material.c b/source/blender/blenkernel/intern/material.c
index ab8c8695495..28d75811185 100644
--- a/source/blender/blenkernel/intern/material.c
+++ b/source/blender/blenkernel/intern/material.c
@@ -926,8 +926,8 @@ bool BKE_object_material_slot_remove(Main *bmain, Object *ob)
 	/* check indices from mesh */
 	if (ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT)) {
 		material_data_index_remove_id((ID *)ob->data, actcol - 1);
-		if (ob->curve_cache) {
-			BKE_displist_free(&ob->curve_cache->disp);
+		if (ob->runtime.curve_cache) {
+			BKE_displist_free(&ob->runtime.curve_cache->disp);
 		}
 	}
 
diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c
index 2ff69c5ee6d..43b7eba2810 100644
--- a/source/blender/blenkernel/intern/mball.c
+++ b/source/blender/blenkernel/intern/mball.c
@@ -207,7 +207,7 @@ void BKE_mball_texspace_calc(Object *ob)
 	(min)[0] = (min)[1] = (min)[2] = 1.0e30f;
 	(max)[0] = (max)[1] = (max)[2] = -1.0e30f;
 
-	dl = ob->curve_cache->disp.first;
+	dl = ob->runtime.curve_cache->disp.first;
 	while (dl) {
 		tot = dl->nr;
 		if (tot) do_it = true;
diff --git a/source/blender/blenkernel/intern/mesh_convert.c b/source/blender/blenkernel/intern/mesh_convert.c
index 738f116310b..2e2afa6834b 100644
--- a/source/blender/blenkernel/intern/mesh_convert.c
+++ b/source/blender/blenkernel/intern/mesh_convert.c
@@ -217,8 +217,8 @@ int BKE_mesh_nurbs_to_mdata(
 {
 	ListBase disp = {NULL, NULL};
 
-	if (ob->curve_cache) {
-		disp = ob->curve_cache->disp;
+	if (ob->runtime.curve_cache) {
+		disp = ob->runtime.curve_cache->disp;
 	}
 
 	return BKE_mesh_nurbs_displist_to_mdata(
@@ -537,8 +537,8 @@ Mesh *BKE_mesh_new_nomain_from_curve(Object *ob)
 {
 	ListBase disp = {NULL, NULL};
 
-	if (ob->curve_cache) {
-		disp = ob->curve_cache->disp;
+	if (ob->runtime.curve_cache) {
+		disp = ob->runtime.curve_cache->disp;
 	}
 
 	return BKE_mesh_new_nomain_from_curve_displist(ob, &disp);
@@ -650,8 +650,8 @@ void BKE_mesh_from_nurbs(Main *bmain, Object *ob)
 	bool use_orco_uv = (cu->flag & CU_UV_ORCO) != 0;
 	ListBase disp = {NULL, NULL};
 
-	if (ob->curve_cache) {
-		disp = ob->curve_cache->disp;
+	if (ob->runtime.curve_cache) {
+		disp = ob->runtime.curve_cache->disp;
 	}
 
 	BKE_mesh_from_nurbs_displist(bmain, ob, &disp, use_orco_uv, cu->id.name, false);
@@ -871,11 +871,11 @@ Mesh *BKE_mesh_new_from_object(
 			 *
 			 * TODO(sergey): Look into more proper solution.
 			 */
-			if (ob->curve_cache != NULL) {
-				if (tmpobj->curve_cache == NULL) {
-					tmpobj->curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for curve types");
+			if (ob->runtime.curve_cache != NULL) {
+				if (tmpobj->runtime.curve_cache == NULL) {
+					tmpobj->runtime.curve_cache = MEM_callocN(sizeof(CurveCache), "CurveCache for curve types");
 				}
-				BKE_displist_copy(&tmpobj->curve_cache->disp, &ob->curve_cache->disp);
+				BKE_displist_copy(&tmpobj->runtime.curve_cache->disp, &ob->runtime.curve_cache->disp);
 			}
 
 			/* if getting the original caged mesh, delete object modifiers */
@@ -953,8 +953,8 @@ Mesh *BKE_mesh_new_from_object(
 			}
 			else {
 				ListBase disp = {NULL, NULL};
-				if (ob->curve_cache) {
-					disp = ob->curve_cache->disp;
+				if (ob->runtime.curve_cache) {
+					disp = ob->runtime.curve_cache->disp;
 				}
 				BKE_mesh_from_metaball(&disp, tmpmesh);
 			}
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 1d6b23ce7f7..21b5bb89f19 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -170,15 +170,15 @@ void BKE_object_free_softbody(Object *ob)
 
 void BKE_object_free_curve_cache(Object *ob)
 {
-	if (ob->curve_cache) {
-		BKE_displist_free(&ob->curve_cache->disp);
-		BKE_curve_bevelList_free(&ob->curve_cache->bev);
-		if (ob->curve_cache->path) {
-			free_path(ob->curve_cache->path);
+	if (ob->runtime.curve_cache) {
+		BKE_displist_free(&ob->runtime.curve_cache->disp);
+		BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
+		if (ob->runtime.curve_cache->path) {
+			free_path(ob->runtime.curve_cache->path);
 		}
-		BKE_nurbList_free(&ob->curve_cache->deformed_nurbs);
-		MEM_freeN(ob->curve_cache);
-		ob->curve_cache = NULL;
+		BKE_nurbList_free(&ob->runtime.curve_cache->deformed_nurbs);
+		MEM_freeN(ob->runtime.curve_cache);
+		ob->runtime.curve_cache = NULL;
 	}
 }
 
@@ -460,12 +460,12 @@ void BKE_object_free(Object *ob)
 	BLI_freelistN(&ob->lodlevels);
 
 	/* Free runtime curves data. */
-	if (ob->curve_cache) {
-		BKE_curve_bevelList_free(&ob->curve_cache->bev);
-		if (ob->curve_cache->path)
-			free_path(ob->curve_cache->path);
-		MEM_freeN(ob->curve_cache);
-		ob->curve_cache = NULL;
+	if (ob->runtime.curve_cache) {
+		BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
+		if (ob->runtime.curve_cache->path)
+			free_path(ob->runtime.curve_cache->path);
+		MEM_freeN(ob->runtime.curve_cache);
+		ob->runtime.curve_cache = NULL;
 	}
 
 	BKE_previewimg_free(&ob->preview);
@@ -1154,6 +1154,9 @@ void BKE_object_copy_data(Main *bmain, Object *ob_dst, const Object *ob_src, con
 {
 	ModifierData *md;
 
+	/* Do not copy runtime data. */
+	BKE_object_runtime_reset(ob_dst);
+
 	/* We never handle usercount here for own data. */
 	const int flag_subdata = flag | LIB_ID_CREATE_NO_USER_REFCOUNT;
 
@@ -1212,9 +1215,6 @@ void BKE_object_copy_data(Main *bmain, Object *ob_dst, const Object *ob_src, con
 
 	copy_object_lod(ob_dst, ob_src, flag_subdata);
 
-	/* Do not copy runtime curve data. */
-	ob_dst->curve_cache = NULL;
-
 	/* Do not copy object's preview (mostly due to the fact renderers create temp copy of objects). */
 	if ((flag & LIB_ID_COPY_NO_PREVIEW) == 0 && false) {  /* XXX TODO temp hack */
 		BKE_previewimg_id_copy(&ob_dst->id, &ob_src->id);
@@ -1725,7 +1725,7 @@ static bool ob_parcurve(Depsgraph *depsgraph, Scene *UNUSED(scene), Object *ob,
 	}
 #endif
 
-	if (par->curve_cache->path == NULL) {
+	if (par->runtime.curve_cache->path == NULL) {
 		return false;
 	}
 
@@ -1944,10 +1944,10 @@ static void give_parvert(Object *par, int nr, float vec[3])
 		ListBase *nurb;
 
 		/* Unless there's some weird depsgraph failure the cache should exist. */
-		BLI_assert(par->curve_cache != NULL);
+		BLI_assert(par->runtime.curve_cache != NULL);
 
-		if (par->curve_cache->deformed_nurbs.first != NULL) {
-			nurb = &par->curve_cache->deformed_nurbs;
+		if (par->runtime.curve_cache->deformed_nurbs.first != NULL) {
+			nurb = &par->runtime.curve_cache->deformed_nurbs;
 		}
 		else {
 			Curve *cu = par->data;
@@ -1958,7 +1958,7 @@ static void give_parvert(Object *par, int nr, float vec[3])
 	}
 	else if (par->type == OB_LATTICE) {
 		Lattice *latt  = par->data;
-		DispList *dl   = par->curve_cache ? BKE_displist_find(&par->curve_cache->disp, DL_VERTS) : NULL;
+		DispList *dl   = par->runtime.curve_cache ? BKE_displist_find(&par->runtime.curve_cache->disp, DL_VERTS) : NULL;
 		float (*co)[3] = dl ? (float (*)[3])dl->verts : NULL;
 		int tot;
 
@@ -2539,10 +2539,10 @@ void BKE_object_foreach_display_point(
 			func_cb(co, user_data);
 		}
 	}
-	else if (ob->curve_cache && ob->curve_cache->disp.first) {
+	else if (ob->runtime.curve_cache && ob->runtime.curve_cache->disp.first) {
 		DispList *dl;
 
-		for (dl = ob->curve_cache->disp.first; dl; dl = dl->next) {
+		for (dl = ob->runtime.curve_cache->disp.first; dl; dl = dl->next) {
 			const float *v3 = dl->verts;
 			int totvert = dl->nr;
 			int i;
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index f226693b989..816a527d829 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -5547,9 +5547,6 @@ static void direct_link_object(FileData *fd, Object *ob)
 	BKE_object_runtime_reset(ob);
 	link_list(fd, &ob->pc_ids);
 
-	/* Runtime curve data  */
-	ob->curve_cache = NULL;
-
 	/* in case this value changes in future, clamp else we get undefined behavior */
 	CLAMP(ob->rotmode, ROT_MODE_MIN, ROT_MODE_MAX);
 
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
index 20aec0ba5ed..b5b33900105 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
@@ -732,7 +732,7 @@ static void deg_backup_object_runtime(
         Object *object,
         ObjectRuntimeBackup *object_runtime_backup)
 {
-	/* Store evaluated mesh, and make sure we don't free it. */
+	/* Store evaluated mesh and curve_cache, and make sure we don't free it. */
 	Mesh *mesh_eval = object->runtime.mesh_eval;
 	object_runtime_backup->runtime = object->runtime;
 	BKE_object_runtime_reset(object);
@@ -743,9 +743,6 @@ static void deg_backup_object_runtime(
 	if (mesh_eval != NULL && object->data == mesh_eval) {
 		object->data = object->runtime.mesh_orig;
 	}
-	/* Store curve cache and make sure we don't free it. */
-	object_runtime_backup->curve_cache = object->curve_cache;
-	object->curve_cache = NULL;
 	/* Make a backup of base flags. */
 	object_runtime_backup->base_flag = object->base_flag;
 }
@@ -783,9 +780,6 @@ static void deg_restore_object_runtime(
 			}
 		}
 	}
-	if (object_runtime_backup->curve_cache != NULL) {
-		object->curve_cache = object_runtime_backup->curve_cache;
-	}
 	object->base_flag = object_runtime_backup->base_flag;
 }
 
diff --git a/source/blender/draw/intern/draw_cache.c b/source/blender/draw/intern/draw_cache.c
index dff863b11bb..bdfa3211f7c 100644
--- a/source/blender/draw/intern/draw_cache.c
+++ b/source/blender/draw/intern/draw_cache.c
@@ -2954,7 +2954,7 @@ GPUBatch *DRW_cache_curve_edge_wire_get(Object *ob)
 	BLI_assert(ob->type == OB_CURVE);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_wire_edge(cu, ob->curve_cache);
+	return DRW_curve_batch_cache_get_wire_edge(cu, ob->runtime.curve_cache);
 }
 
 GPUBatch *DRW_cache_curve_edge_normal_get(Object *ob, float normal_size)
@@ -2962,7 +2962,7 @@ GPUBatch *DRW_cache_curve_edge_normal_get(Object *ob, float normal_size)
 	BLI_assert(ob->type == OB_CURVE);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_normal_edge(cu, ob->curve_cache, normal_size);
+	return DRW_curve_batch_cache_get_normal_edge(cu, ob->runtime.curve_cache, normal_size);
 }
 
 GPUBatch *DRW_cache_curve_edge_overlay_get(Object *ob)
@@ -2986,7 +2986,7 @@ GPUBatch *DRW_cache_curve_surface_get(Object *ob)
 	BLI_assert(ob->type == OB_CURVE);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_triangles_with_normals(cu, ob->curve_cache);
+	return DRW_curve_batch_cache_get_triangles_with_normals(cu, ob->runtime.curve_cache);
 }
 
 /* Return list of batches */
@@ -2996,7 +2996,7 @@ GPUBatch **DRW_cache_curve_surface_shaded_get(
 	BLI_assert(ob->type == OB_CURVE);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->curve_cache, gpumat_array, gpumat_array_len);
+	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->runtime.curve_cache, gpumat_array, gpumat_array_len);
 }
 
 /** \} */
@@ -3032,7 +3032,7 @@ GPUBatch *DRW_cache_text_edge_wire_get(Object *ob)
 	BLI_assert(ob->type == OB_FONT);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_wire_edge(cu, ob->curve_cache);
+	return DRW_curve_batch_cache_get_wire_edge(cu, ob->runtime.curve_cache);
 }
 
 GPUBatch *DRW_cache_text_surface_get(Object *ob)
@@ -3042,7 +3042,7 @@ GPUBatch *DRW_cache_text_surface_get(Object *ob)
 	if (cu->editfont && (cu->flag & CU_FAST)) {
 		return NULL;
 	}
-	return DRW_curve_batch_cache_get_triangles_with_normals(cu, ob->curve_cache);
+	return DRW_curve_batch_cache_get_triangles_with_normals(cu, ob->runtime.curve_cache);
 }
 
 GPUBatch **DRW_cache_text_surface_shaded_get(
@@ -3053,7 +3053,7 @@ GPUBatch **DRW_cache_text_surface_shaded_get(
 	if (cu->editfont && (cu->flag & CU_FAST)) {
 		return NULL;
 	}
-	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->curve_cache, gpumat_array, gpumat_array_len);
+	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->runtime.curve_cache, gpumat_array, gpumat_array_len);
 }
 
 GPUBatch *DRW_cache_text_cursor_overlay_get(Object *ob)
@@ -3082,7 +3082,7 @@ GPUBatch *DRW_cache_surf_surface_get(Object *ob)
 	BLI_assert(ob->type == OB_SURF);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_triangles_with_normals(cu, ob->curve_cache);
+	return DRW_curve_batch_cache_get_triangles_with_normals(cu, ob->runtime.curve_cache);
 }
 
 /* Return list of batches */
@@ -3092,7 +3092,7 @@ GPUBatch **DRW_cache_surf_surface_shaded_get(
 	BLI_assert(ob->type == OB_SURF);
 
 	struct Curve *cu = ob->data;
-	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->curve_cache, gpumat_array, gpumat_array_len);
+	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->runtime.curve_cache, gpumat_array, gpumat_array_len);
 }
 
 /** \} */
diff --git a/source/blender/draw/intern/draw_cache_impl_metaball.c b/source/blender/draw/intern/draw_cache_impl_metaball.c
index 375b0ba6bb2..2172997a714 100644
--- a/source/blender/draw/intern/draw_cache_impl_metaball.c
+++ b/source/blender/draw/intern/draw_cache_impl_metaball.c
@@ -140,7 +140,7 @@ GPUBatch *DRW_metaball_batch_cache_get_triangles_with_normals(Object *ob)
 	MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
 
 	if (cache->batch == NULL) {
-		ListBase *lb = &ob->curve_cache->disp;
+		ListBase *lb = &ob->runtime.curve_cache->disp;
 		cache->batch = GPU_batch_create_ex(
 		        GPU_PRIM_TRIS,
 		        DRW_displist_vertbuf_calc_pos_with_normals(lb),
diff --git a/source/blender/draw/modes/object_mode.c b/source/blender/draw/modes/object_mode.c
index 9e9785f5e5c..db906714dd5 100644
--- a/source/blender/draw/modes/object_mode.c
+++ b/source/blender/draw/modes/object_mode.c
@@ -1663,7 +1663,7 @@ static void DRW_shgroup_forcefield(OBJECT_StorageList *stl, Object *ob, ViewLaye
 			}
 			break;
 		case PFIELD_GUIDE:
-			if (cu && (cu->flag & CU_PATH) && ob->curve_cache->path && ob->curve_cache->path->data) {
+			if (cu && (cu->flag & CU_PATH) && ob->runtime.curve_cache->path && ob->runtime.curve_cache->path->data) {
 				where_on_path(ob, 0.0f, pd->drawvec1, tmp, NULL, NULL, NULL);
 				where_on_path(ob, 1.0f, pd->drawvec2, tmp, NULL, NULL, NULL);
 			}
@@ -1704,7 +1704,7 @@ static void DRW_shgroup_forcefield(OBJECT_StorageList *stl, Object *ob, ViewLaye
 			DRW_shgroup_call_dynamic_add(stl->g_data->field_vortex, color, &pd->drawvec1, ob->obmat);
 			break;
 		case PFIELD_GUIDE:
-			if (cu && (cu->flag & CU_PATH) && ob->curve_cache->path && ob->curve_cache->path->data) {
+			if (cu && (cu->flag & CU_PATH) && ob->runtime.curve_cache->path && ob->runtime.curve_cache->path->data) {
 				DRW_shgroup_call_dynamic_add(stl->g_data->field_curve_sta, color, &pd->f_strength, ob->obmat);
 				DRW_shgroup_call_dynamic_add(stl->g_data->field_curve_end, color, &pd->f_strength, ob->obmat);
 			}
diff --git a/source/blender/editors/curve/editcurve.c b/source/blender/editors/curve/editcurve.c
index 1d7a9ac46c7..f7d54e3bc4f 100644
--- a/source/blender/editors/curve/editcurve.c
+++ b/source/blender/editors/curve/editcurve.c
@@ -6260,12 +6260,12 @@ static int match_texture_space_exec(bContext *C, wmOperator *UNUSED(op))
 	float min[3], max[3], size[3], loc[3];
 	int a;
 
-	if (object->curve_cache == NULL) {
+	if (object->runtime.curve_cache == NULL) {
 		BKE_displist_make_curveTypes(depsgraph, scene, object, false);
 	}
 
 	INIT_MINMAX(min, max);
-	BKE_displist_minmax(&object->curve_cache->disp, min, max);
+	BKE_displist_minmax(&object->runtime.curve_cache->disp, min, max);
 
 	mid_v3_v3v3(loc, min, max);
 
diff --git a/source/blender/editors/object/object_add.c b/source/blender/editors/object/object_add.c
index 8c60dd01e89..68e84ec3f3b 100644
--- a/source/blender/editors/object/object_add.c
+++ b/source/blender/editors/object/object_add.c
@@ -1479,7 +1479,7 @@ static void make_object_duplilist_real(bContext *C, Scene *scene, Base *base,
 
 		ob_dst->parent = NULL;
 		BKE_constraints_free(&ob_dst->constraints);
-		ob_dst->curve_cache = NULL;
+		ob_dst->runtime.curve_cache = NULL;
 		ob_dst->transflag &= ~OB_DUPLI;
 
 		copy_m4_m4(ob_dst->obmat, dob->mat);
@@ -1638,7 +1638,7 @@ static const EnumPropertyItem convert_target_items[] = {
 
 static void convert_ensure_curve_cache(Depsgraph *depsgraph, Scene *scene, Object *ob)
 {
-	if (ob->curve_cache == NULL) {
+	if (ob->runtime.curve_cache == NULL) {
 		/* Force creation. This is normally not needed but on operator
 		 * redo we might end up with an object which isn't evaluated yet.
 		 */
@@ -1966,7 +1966,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 				}
 
 				convert_ensure_curve_cache(depsgraph, scene, baseob);
-				BKE_mesh_from_metaball(&baseob->curve_cache->disp, newob->data);
+				BKE_mesh_from_metaball(&baseob->runtime.curve_cache->disp, newob->data);
 
 				if (obact->type == OB_MBALL) {
 					basact = basen;
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index 4745a484475..331b4af077d 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -716,7 +716,7 @@ bool ED_object_parent_set(ReportList *reports, const bContext *C, Scene *scene,
 								if (md) {
 									((CurveModifierData *)md)->object = par;
 								}
-								if (par->curve_cache && par->curve_cache->path == NULL) {
+								if (par->runtime.curve_cache && par->runtime.curve_cache->path == NULL) {
 									DEG_id_tag_update(&par->id, OB_RECALC_DATA);
 								}
 							}
diff --git a/source/blender/editors/space_info/info_stats.c b/source/blender/editors/space_info/info_stats.c
index 3830e6d2792..8aa37bb5e16 100644
--- a/source/blender/editors/space_info/info_stats.c
+++ b/source/blender/editors/space_info/info_stats.c
@@ -127,8 +127,8 @@ static void stats_object(Object *ob, int sel, int totob, SceneStats *stats)
 		{
 			int totv = 0, totf = 0, tottri = 0;
 
-			if (ob->curve_cache && ob->curve_cache->disp.first)
-				BKE_displist_count(&ob->curve_cache->disp, &totv, &totf, &tottri);
+			if (ob->runtime.curve_cache && ob->runtime.curve_cache->disp.first)
+				BKE_displist_count(&ob->runtime.curve_cache->disp, &totv, &totf, &tottri);
 
 			totv   *= totob;
 			totf   *= totob;
diff --git a/source/blender/editors/space_view3d/view3d_iterators.c b/source/blender/editors/space_view3d/view3d_iterators.c
index eae0cf8e459..74071e77901 100644
--- a/source/blender/editors/space_view3d/view3d_iterators.c
+++ b/source/blender/editors/space_view3d/view3d_iterators.c
@@ -380,7 +380,7 @@ void lattice_foreachScreenVert(
 	Object *obedit = vc->obedit;
 	Lattice *lt = obedit->data;
 	BPoint *bp = lt->editlatt->latt->def;
-	DispList *dl = obedit->curve_cache ? BKE_displist_find(&obedit->curve_cache->disp, DL_VERTS) : NULL;
+	DispList *dl = obedit->runtime.curve_cache ? BKE_displist_find(&obedit->runtime.curve_cache->disp, DL_VERTS) : NULL;
 	const float *co = dl ? dl->verts : NULL;
 	int i, N = lt->editlatt->latt->pntsu * lt->editlatt->latt->pntsv * lt->editlatt->latt->pntsw;
 
diff --git a/source/blender/makesdna/DNA_object_types.h b/source/blender/makesdna/DNA_object_types.h
index edc87c492a6..a8d50543e80 100644
--- a/source/blender/makesdna/DNA_object_types.h
+++ b/source/blender/makesdna/DNA_object_types.h
@@ -142,6 +142,10 @@ typedef struct Object_Runtime {
 	 * It has deforemation only modifiers applied on it.
 	 */
 	struct Mesh *mesh_deform_eval;
+
+
+	/* Runtime evaluated curve-specific data, not stored in the file. */
+	struct CurveCache *curve_cache;
 } Object_Runtime;
 
 typedef struct Object {
@@ -280,9 +284,6 @@ typedef struct Object {
 	uint64_t lastDataMask;   /* the custom data layer mask that was last used to calculate derivedDeform and derivedFinal */
 	uint64_t customdata_mask; /* (extra) custom data layer mask to use for creating derivedmesh, set by depsgraph */
 
-	/* Runtime valuated curve-specific data, not stored in the file */
-	struct CurveCache *curve_cache;
-
 	ListBase pc_ids;
 
 	struct RigidBodyOb *rigidbody_object;		/* settings for Bullet rigid body */
diff --git a/source/blender/modifiers/intern/MOD_array.c b/source/blender/modifiers/intern/MOD_array.c
index 5ae0013aab0..085f21fe138 100644
--- a/source/blender/modifiers/intern/MOD_array.c
+++ b/source/blender/modifiers/intern/MOD_array.c
@@ -456,9 +456,10 @@ static Mesh *arrayModifier_doArray(
 	if (amd->fit_type == MOD_ARR_FITCURVE && amd->curve_ob) {
 		Curve *cu = amd->curve_ob->data;
 		if (cu) {
-			if (amd->curve_ob->curve_cache && amd->curve_ob->curve_cache->path) {
+			CurveCache *curve_cache = amd->curve_ob->runtime.curve_cache;
+			if (curve_cache != NULL && curve_cache->path != NULL) {
 				float scale_fac = mat4_to_scale(amd->curve_ob->obmat);
-				length = scale_fac * amd->curve_ob->curve_cache->path->totdist;
+				length = scale_fac * curve_cache->path->totdist;
 			}
 		}
 	}