Merge branch 'master' into blender2.8

Conflicts:
	intern/cycles/blender/addon/ui.py
	source/blender/blenkernel/BKE_particle.h
	source/blender/blenkernel/intern/dynamicpaint.c
	source/blender/blenkernel/intern/library.c
	source/blender/blenkernel/intern/object.c
	source/blender/blenkernel/intern/particle.c
	source/blender/blenkernel/intern/particle_distribute.c
	source/blender/blenkernel/intern/texture.c
	source/blender/editors/object/object_add.c
	source/blender/editors/object/object_relations.c
	source/blender/editors/physics/particle_edit.c
	source/blender/editors/physics/particle_object.c
	source/blender/editors/transform/transform_snap_object.c

11 files changed, 236 insertions, 152 deletions

diff --git a/source/blender/editors/object/object_add.c b/source/blender/editors/object/object_add.c
index 9a38a292656..15c1a195db5 100644
--- a/source/blender/editors/object/object_add.c
+++ b/source/blender/editors/object/object_add.c
@@ -73,6 +73,7 @@
 #include "BKE_lamp.h"
 #include "BKE_lattice.h"
 #include "BKE_library.h"
+#include "BKE_library_query.h"
 #include "BKE_key.h"
 #include "BKE_main.h"
 #include "BKE_material.h"
@@ -1107,11 +1108,18 @@ static void object_delete_check_glsl_update(Object *ob)
 /* note: now unlinks constraints as well */
 void ED_base_object_free_and_unlink(Main *bmain, Scene *scene, Base *base)
 {
-	DAG_id_type_tag(bmain, ID_OB);
+	if (BKE_library_ID_is_indirectly_used(bmain, base->object) && ID_REAL_USERS(base->object) <= 1) {
+		/* We cannot delete indirectly used object... */
+		printf("WARNING, undeletable object '%s', should have been catched before reaching this function!",
+		       base->object->id.name + 2);
+		return;
+	}
+
 	BKE_scene_base_unlink(scene, base);
 	object_delete_check_glsl_update(base->object);
 	BKE_libblock_free_us(bmain, base->object);
 	MEM_freeN(base);
+	DAG_id_type_tag(bmain, ID_OB);
 }
 
 static int object_delete_exec(bContext *C, wmOperator *op)
@@ -1128,6 +1136,19 @@ static int object_delete_exec(bContext *C, wmOperator *op)
 
 	CTX_DATA_BEGIN (C, Base *, base, selected_bases)
 	{
+		const bool is_indirectly_used = BKE_library_ID_is_indirectly_used(bmain, base->object);
+		if (base->object->id.tag & LIB_TAG_INDIRECT) {
+			/* Can this case ever happen? */
+			BKE_reportf(op->reports, RPT_WARNING, "Cannot delete indirectly linked object '%s'", base->object->id.name + 2);
+			continue;
+		}
+		else if (is_indirectly_used && ID_REAL_USERS(base->object) <= 1) {
+			BKE_reportf(op->reports, RPT_WARNING,
+			            "Cannot delete object '%s' from scene '%s', indirectly used objects need at least one user",
+			            base->object->id.name + 2, scene->id.name + 2);
+			continue;
+		}
+
 		/* deselect object -- it could be used in other scenes */
 		base->object->flag &= ~SELECT;
 
@@ -1140,9 +1161,15 @@ static int object_delete_exec(bContext *C, wmOperator *op)
 			Base *base_other;
 
 			for (scene_iter = bmain->scene.first; scene_iter; scene_iter = scene_iter->id.next) {
-				if (scene_iter != scene && !(scene_iter->id.lib)) {
+				if (scene_iter != scene && !ID_IS_LINKED_DATABLOCK(scene_iter)) {
 					base_other = BKE_scene_base_find(scene_iter, base->object);
 					if (base_other) {
+						if (is_indirectly_used && ID_REAL_USERS(base->object) <= 1) {
+							BKE_reportf(op->reports, RPT_WARNING,
+							            "Cannot delete object '%s' from scene '%s', indirectly used objects need at least one user",
+							            base->object->id.name + 2, scene_iter->id.name + 2);
+							break;
+						}
 						ED_base_object_free_and_unlink(bmain, scene_iter, base_other);
 					}
 				}
@@ -1271,7 +1298,7 @@ static void make_object_duplilist_real(bContext *C, Scene *scene, Base *base,
 
 	for (dob = lb->first; dob; dob = dob->next) {
 		Base *basen;
-		Object *ob = BKE_object_copy(dob->ob);
+		Object *ob = BKE_object_copy(bmain, dob->ob);
 
 		/* font duplis can have a totcol without material, we get them from parent
 		 * should be implemented better...
@@ -1487,11 +1514,12 @@ static int convert_poll(bContext *C)
 	Object *obact = CTX_data_active_object(C);
 	Scene *scene = CTX_data_scene(C);
 
-	return (!scene->id.lib && obact && scene->obedit != obact && (obact->flag & SELECT) && !(obact->id.lib));
+	return (!ID_IS_LINKED_DATABLOCK(scene) && obact && scene->obedit != obact &&
+	        (obact->flag & SELECT) && !ID_IS_LINKED_DATABLOCK(obact));
 }
 
 /* Helper for convert_exec */
-static Base *duplibase_for_convert(Scene *scene, Base *base, Object *ob)
+static Base *duplibase_for_convert(Main *bmain, Scene *scene, Base *base, Object *ob)
 {
 	Object *obn;
 	Base *basen;
@@ -1500,7 +1528,7 @@ static Base *duplibase_for_convert(Scene *scene, Base *base, Object *ob)
 		ob = base->object;
 	}
 
-	obn = BKE_object_copy(ob);
+	obn = BKE_object_copy(bmain, ob);
 	DAG_id_tag_update(&ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
 
 	basen = MEM_mallocN(sizeof(Base), "duplibase");
@@ -1580,7 +1608,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 			ob->flag |= OB_DONE;
 
 			if (keep_original) {
-				basen = duplibase_for_convert(scene, base, NULL);
+				basen = duplibase_for_convert(bmain, scene, base, NULL);
 				newob = basen->object;
 
 				/* decrement original mesh's usage count  */
@@ -1588,7 +1616,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 				id_us_min(&me->id);
 
 				/* make a new copy of the mesh */
-				newob->data = BKE_mesh_copy(me);
+				newob->data = BKE_mesh_copy(bmain, me);
 			}
 			else {
 				newob = ob;
@@ -1605,7 +1633,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 			ob->flag |= OB_DONE;
 
 			if (keep_original) {
-				basen = duplibase_for_convert(scene, base, NULL);
+				basen = duplibase_for_convert(bmain, scene, base, NULL);
 				newob = basen->object;
 
 				/* decrement original mesh's usage count  */
@@ -1613,7 +1641,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 				id_us_min(&me->id);
 
 				/* make a new copy of the mesh */
-				newob->data = BKE_mesh_copy(me);
+				newob->data = BKE_mesh_copy(bmain, me);
 			}
 			else {
 				newob = ob;
@@ -1637,14 +1665,14 @@ static int convert_exec(bContext *C, wmOperator *op)
 			ob->flag |= OB_DONE;
 
 			if (keep_original) {
-				basen = duplibase_for_convert(scene, base, NULL);
+				basen = duplibase_for_convert(bmain, scene, base, NULL);
 				newob = basen->object;
 
 				/* decrement original curve's usage count  */
 				id_us_min(&((Curve *)newob->data)->id);
 
 				/* make a new copy of the curve */
-				newob->data = BKE_curve_copy(ob->data);
+				newob->data = BKE_curve_copy(bmain, ob->data);
 			}
 			else {
 				newob = ob;
@@ -1708,14 +1736,14 @@ static int convert_exec(bContext *C, wmOperator *op)
 
 			if (target == OB_MESH) {
 				if (keep_original) {
-					basen = duplibase_for_convert(scene, base, NULL);
+					basen = duplibase_for_convert(bmain, scene, base, NULL);
 					newob = basen->object;
 
 					/* decrement original curve's usage count  */
 					id_us_min(&((Curve *)newob->data)->id);
 
 					/* make a new copy of the curve */
-					newob->data = BKE_curve_copy(ob->data);
+					newob->data = BKE_curve_copy(bmain, ob->data);
 				}
 				else {
 					newob = ob;
@@ -1743,7 +1771,7 @@ static int convert_exec(bContext *C, wmOperator *op)
 			if (!(baseob->flag & OB_DONE)) {
 				baseob->flag |= OB_DONE;
 
-				basen = duplibase_for_convert(scene, base, baseob);
+				basen = duplibase_for_convert(bmain, scene, base, baseob);
 				newob = basen->object;
 
 				mb = newob->data;
@@ -1881,7 +1909,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 		; /* nothing? */
 	}
 	else {
-		obn = BKE_object_copy(ob);
+		obn = BKE_object_copy(bmain, ob);
 		DAG_id_tag_update(&obn->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
 
 		basen = MEM_mallocN(sizeof(Base), "duplibase");
@@ -1912,7 +1940,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (id) {
 					ID_NEW_US(obn->mat[a])
 					else
-						obn->mat[a] = BKE_material_copy(obn->mat[a]);
+						obn->mat[a] = BKE_material_copy(bmain, obn->mat[a]);
 					id_us_min(id);
 
 					if (dupflag & USER_DUP_ACT) {
@@ -1930,7 +1958,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_MESH) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_mesh_copy(obn->data);
+						obn->data = BKE_mesh_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -1940,7 +1968,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_CURVE) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_curve_copy(obn->data);
+						obn->data = BKE_curve_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -1950,7 +1978,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_SURF) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_curve_copy(obn->data);
+						obn->data = BKE_curve_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -1960,7 +1988,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_FONT) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_curve_copy(obn->data);
+						obn->data = BKE_curve_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -1970,7 +1998,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_MBALL) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_mball_copy(obn->data);
+						obn->data = BKE_mball_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -1980,7 +2008,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_LAMP) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_lamp_copy(obn->data);
+						obn->data = BKE_lamp_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -1993,7 +2021,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag & USER_DUP_ARM) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_armature_copy(obn->data);
+						obn->data = BKE_armature_copy(bmain, obn->data);
 						BKE_pose_rebuild(obn, obn->data);
 						didit = 1;
 					}
@@ -2004,7 +2032,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag != 0) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_lattice_copy(obn->data);
+						obn->data = BKE_lattice_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -2014,7 +2042,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag != 0) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_camera_copy(obn->data);
+						obn->data = BKE_camera_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -2024,7 +2052,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 				if (dupflag != 0) {
 					ID_NEW_US2(obn->data)
 					else {
-						obn->data = BKE_speaker_copy(obn->data);
+						obn->data = BKE_speaker_copy(bmain, obn->data);
 						didit = 1;
 					}
 					id_us_min(id);
@@ -2063,7 +2091,7 @@ static Base *object_add_duplicate_internal(Main *bmain, Scene *scene, Base *base
 						if (id) {
 							ID_NEW_US((*matarar)[a])
 							else
-								(*matarar)[a] = BKE_material_copy((*matarar)[a]);
+								(*matarar)[a] = BKE_material_copy(bmain, (*matarar)[a]);
 							id_us_min(id);
 						}
 					}
@@ -2260,7 +2288,7 @@ static int join_poll(bContext *C)
 {
 	Object *ob = CTX_data_active_object(C);
 
-	if (!ob || ob->id.lib) return 0;
+	if (!ob || ID_IS_LINKED_DATABLOCK(ob)) return 0;
 
 	if (ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_ARMATURE))
 		return ED_operator_screenactive(C);
@@ -2313,7 +2341,7 @@ static int join_shapes_poll(bContext *C)
 {
 	Object *ob = CTX_data_active_object(C);
 
-	if (!ob || ob->id.lib) return 0;
+	if (!ob || ID_IS_LINKED_DATABLOCK(ob)) return 0;
 
 	/* only meshes supported at the moment */
 	if (ob->type == OB_MESH)
diff --git a/source/blender/editors/object/object_constraint.c b/source/blender/editors/object/object_constraint.c
index 9c2806f6f5a..db8a4c1960f 100644
--- a/source/blender/editors/object/object_constraint.c
+++ b/source/blender/editors/object/object_constraint.c
@@ -584,7 +584,7 @@ static int edit_constraint_poll_generic(bContext *C, StructRNA *rna_type)
 		return 0;
 	}
 
-	if (ob->id.lib || (ptr.id.data && ((ID *)ptr.id.data)->lib)) {
+	if (ID_IS_LINKED_DATABLOCK(ob) || (ptr.id.data && ID_IS_LINKED_DATABLOCK(ptr.id.data))) {
 		CTX_wm_operator_poll_msg_set(C, "Cannot edit library data");
 		return 0;
 	}
@@ -1651,7 +1651,7 @@ static bool get_new_constraint_target(bContext *C, int con_type, Object **tar_ob
 					break;
 				}
 				else if (((!only_curve) || (ob->type == OB_CURVE)) &&
-			             ((!only_mesh) || (ob->type == OB_MESH)))
+				         ((!only_mesh) || (ob->type == OB_MESH)))
 				{
 					/* set target */
 					*tar_ob = ob;
diff --git a/source/blender/editors/object/object_data_transfer.c b/source/blender/editors/object/object_data_transfer.c
index 47ee6752e51..acee69daab7 100644
--- a/source/blender/editors/object/object_data_transfer.c
+++ b/source/blender/editors/object/object_data_transfer.c
@@ -300,7 +300,7 @@ static void data_transfer_exec_preprocess_objects(
 		}
 
 		me = ob->data;
-		if (me->id.lib) {
+		if (ID_IS_LINKED_DATABLOCK(me)) {
 			/* Do not transfer to linked data, not supported. */
 			BKE_reportf(op->reports, RPT_WARNING, "Skipping object '%s', linked data '%s' cannot be modified",
 			            ob->id.name + 2, me->id.name + 2);
@@ -330,7 +330,7 @@ static bool data_transfer_exec_is_object_valid(
 		me->id.tag &= ~LIB_TAG_DOIT;
 		return true;
 	}
-	else if (me->id.lib == NULL) {
+	else if (!ID_IS_LINKED_DATABLOCK(me)) {
 		/* Do not transfer apply operation more than once. */
 		/* XXX This is not nice regarding vgroups, which are half-Object data... :/ */
 		BKE_reportf(op->reports, RPT_WARNING,
@@ -387,7 +387,7 @@ static int data_transfer_exec(bContext *C, wmOperator *op)
 		return OPERATOR_FINISHED;
 	}
 
-	if (reverse_transfer && ((ID *)(ob_src->data))->lib) {
+	if (reverse_transfer && ID_IS_LINKED_DATABLOCK(ob_src->data)) {
 		/* Do not transfer to linked data, not supported. */
 		return OPERATOR_CANCELLED;
 	}
diff --git a/source/blender/editors/object/object_edit.c b/source/blender/editors/object/object_edit.c
index fbbb9f9e253..e467dbd05eb 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -456,7 +456,7 @@ void ED_object_editmode_enter(bContext *C, int flag)
 	View3D *v3d = NULL;
 	bool ok = false;
 
-	if (scene->id.lib) return;
+	if (ID_IS_LINKED_DATABLOCK(scene)) return;
 
 	if (sa && sa->spacetype == SPACE_VIEW3D)
 		v3d = sa->spacedata.first;
@@ -525,7 +525,7 @@ void ED_object_editmode_enter(bContext *C, int flag)
 		 * BKE_object_obdata_is_libdata that prevent the bugfix #6614, so
 		 * i add this little hack here.
 		 */
-		if (arm->id.lib) {
+		if (ID_IS_LINKED_DATABLOCK(arm)) {
 			error_libdata();
 			return;
 		}
@@ -607,7 +607,7 @@ static int editmode_toggle_poll(bContext *C)
 	Object *ob = CTX_data_active_object(C);
 
 	/* covers proxies too */
-	if (ELEM(NULL, ob, ob->data) || ((ID *)ob->data)->lib)
+	if (ELEM(NULL, ob, ob->data) || ID_IS_LINKED_DATABLOCK(ob->data))
 		return 0;
 
 	/* if hidden but in edit mode, we still display */
@@ -834,7 +834,7 @@ static void copy_attr(Main *bmain, Scene *scene, View3D *v3d, short event)
 	Nurb *nu;
 	bool do_depgraph_update = false;
 	
-	if (scene->id.lib) return;
+	if (ID_IS_LINKED_DATABLOCK(scene)) return;
 
 	if (!(ob = OBACT)) return;
 	
@@ -1422,7 +1422,7 @@ static int shade_smooth_exec(bContext *C, wmOperator *op)
 	{
 		data = ob->data;
 
-		if (data && data->lib) {
+		if (data && ID_IS_LINKED_DATABLOCK(data)) {
 			linked_data = true;
 			continue;
 		}
@@ -1505,7 +1505,7 @@ static void UNUSED_FUNCTION(image_aspect) (Scene *scene, View3D *v3d)
 	int a, b, done;
 	
 	if (scene->obedit) return;  // XXX get from context
-	if (scene->id.lib) return;
+	if (ID_IS_LINKED_DATABLOCK(scene)) return;
 	
 	for (base = FIRSTBASE; base; base = base->next) {
 		if (TESTBASELIB(v3d, base)) {
diff --git a/source/blender/editors/object/object_group.c b/source/blender/editors/object/object_group.c
index 2b87a890f0f..bcdd170c53c 100644
--- a/source/blender/editors/object/object_group.c
+++ b/source/blender/editors/object/object_group.c
@@ -528,7 +528,7 @@ static int group_unlink_exec(bContext *C, wmOperator *UNUSED(op))
 	if (!group)
 		return OPERATOR_CANCELLED;
 
-	BKE_libblock_unlink(bmain, group, false);
+	BKE_libblock_unlink(bmain, group, false, false);
 	BKE_libblock_free(bmain, group);
 
 	WM_event_add_notifier(C, NC_OBJECT | ND_DRAW, NULL);
diff --git a/source/blender/editors/object/object_modifier.c b/source/blender/editors/object/object_modifier.c
index efdb9263d7b..9175bd69a28 100644
--- a/source/blender/editors/object/object_modifier.c
+++ b/source/blender/editors/object/object_modifier.c
@@ -673,9 +673,9 @@ int edit_modifier_poll_generic(bContext *C, StructRNA *rna_type, int obtype_flag
 	PointerRNA ptr = CTX_data_pointer_get_type(C, "modifier", rna_type);
 	Object *ob = (ptr.id.data) ? ptr.id.data : ED_object_active_context(C);
 	
-	if (!ob || ob->id.lib) return 0;
+	if (!ob || ID_IS_LINKED_DATABLOCK(ob)) return 0;
 	if (obtype_flag && ((1 << ob->type) & obtype_flag) == 0) return 0;
-	if (ptr.id.data && ((ID *)ptr.id.data)->lib) return 0;
+	if (ptr.id.data && ID_IS_LINKED_DATABLOCK(ptr.id.data)) return 0;
 	
 	return 1;
 }
diff --git a/source/blender/editors/object/object_ops.c b/source/blender/editors/object/object_ops.c
index 9e5eeedd449..4837ca50105 100644
--- a/source/blender/editors/object/object_ops.c
+++ b/source/blender/editors/object/object_ops.c
@@ -364,9 +364,21 @@ void ED_keymap_object(wmKeyConfig *keyconf)
 	WM_keymap_verify_item(keymap, "OBJECT_OT_constraint_add_with_targets", CKEY, KM_PRESS, KM_CTRL | KM_SHIFT, 0);
 	WM_keymap_verify_item(keymap, "OBJECT_OT_constraints_clear", CKEY, KM_PRESS, KM_CTRL | KM_ALT, 0);
 	
-	WM_keymap_verify_item(keymap, "OBJECT_OT_location_clear", GKEY, KM_PRESS, KM_ALT, 0);
-	WM_keymap_verify_item(keymap, "OBJECT_OT_rotation_clear", RKEY, KM_PRESS, KM_ALT, 0);
-	WM_keymap_verify_item(keymap, "OBJECT_OT_scale_clear", SKEY, KM_PRESS, KM_ALT, 0);
+	
+	kmi = WM_keymap_add_item(keymap, "OBJECT_OT_location_clear", GKEY, KM_PRESS, KM_ALT, 0);
+	RNA_boolean_set(kmi->ptr, "clear_delta", false);
+	kmi = WM_keymap_add_item(keymap, "OBJECT_OT_rotation_clear", RKEY, KM_PRESS, KM_ALT, 0);
+	RNA_boolean_set(kmi->ptr, "clear_delta", false);
+	kmi = WM_keymap_add_item(keymap, "OBJECT_OT_scale_clear", SKEY, KM_PRESS, KM_ALT, 0);
+	RNA_boolean_set(kmi->ptr, "clear_delta", false);
+	
+	kmi = WM_keymap_add_item(keymap, "OBJECT_OT_location_clear", GKEY, KM_PRESS, KM_ALT | KM_SHIFT, 0);
+	RNA_boolean_set(kmi->ptr, "clear_delta", true);
+	kmi = WM_keymap_add_item(keymap, "OBJECT_OT_rotation_clear", RKEY, KM_PRESS, KM_ALT | KM_SHIFT, 0);
+	RNA_boolean_set(kmi->ptr, "clear_delta", true);
+	kmi = WM_keymap_add_item(keymap, "OBJECT_OT_scale_clear", SKEY, KM_PRESS, KM_ALT | KM_SHIFT, 0);
+	RNA_boolean_set(kmi->ptr, "clear_delta", true);
+	
 	WM_keymap_verify_item(keymap, "OBJECT_OT_origin_clear", OKEY, KM_PRESS, KM_ALT, 0);
 	
 	WM_keymap_add_item(keymap, "OBJECT_OT_hide_view_clear", HKEY, KM_PRESS, KM_ALT, 0);
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index 7a55418b082..55eb30ac2de 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -290,17 +290,17 @@ static int make_proxy_invoke(bContext *C, wmOperator *op, const wmEvent *event)
 	Object *ob = ED_object_active_context(C);
 
 	/* sanity checks */
-	if (!scene || scene->id.lib || !ob)
+	if (!scene || ID_IS_LINKED_DATABLOCK(scene) || !ob)
 		return OPERATOR_CANCELLED;
 
 	/* Get object to work on - use a menu if we need to... */
-	if (ob->dup_group && ob->dup_group->id.lib) {
+	if (ob->dup_group && ID_IS_LINKED_DATABLOCK(ob->dup_group)) {
 		/* gives menu with list of objects in group */
 		/* proxy_group_objects_menu(C, op, ob, ob->dup_group); */
 		WM_enum_search_invoke(C, op, event);
 		return OPERATOR_CANCELLED;
 	}
-	else if (ob->id.lib) {
+	else if (ID_IS_LINKED_DATABLOCK(ob)) {
 		uiPopupMenu *pup = UI_popup_menu_begin(C, IFACE_("OK?"), ICON_QUESTION);
 		uiLayout *layout = UI_popup_menu_layout(pup);
 
@@ -1465,7 +1465,7 @@ static int make_links_scene_exec(bContext *C, wmOperator *op)
 		return OPERATOR_CANCELLED;
 	}
 
-	if (scene_to->id.lib) {
+	if (ID_IS_LINKED_DATABLOCK(scene_to)) {
 		BKE_report(op->reports, RPT_ERROR, "Cannot link objects into a linked scene");
 		return OPERATOR_CANCELLED;
 	}
@@ -1563,7 +1563,7 @@ static int make_links_data_exec(bContext *C, wmOperator *op)
 						ob_dst->data = obdata_id;
 
 						/* if amount of material indices changed: */
-						test_object_materials(bmain, ob_dst->data);
+						test_object_materials(ob_dst, ob_dst->data);
 
 						DAG_id_tag_update(&ob_dst->id, OB_RECALC_DATA);
 						break;
@@ -1578,7 +1578,7 @@ static int make_links_data_exec(bContext *C, wmOperator *op)
 					case MAKE_LINKS_ANIMDATA:
 						BKE_animdata_copy_id((ID *)ob_dst, (ID *)ob_src, false);
 						if (ob_dst->data && ob_src->data) {
-							if (obdata_id->lib) {
+							if (ID_IS_LINKED_DATABLOCK(obdata_id)) {
 								is_lib = true;
 								break;
 							}
@@ -1620,7 +1620,7 @@ static int make_links_data_exec(bContext *C, wmOperator *op)
 						Curve *cu_src = ob_src->data;
 						Curve *cu_dst = ob_dst->data;
 
-						if (obdata_id->lib) {
+						if (ID_IS_LINKED_DATABLOCK(obdata_id)) {
 							is_lib = true;
 							break;
 						}
@@ -1748,9 +1748,9 @@ static void single_object_users(Main *bmain, Scene *scene, View3D *v3d, const in
 		ob = base->object;
 
 		if ((base->flag & flag) == flag) {
-			if (ob->id.lib == NULL && ob->id.us > 1) {
+			if (!ID_IS_LINKED_DATABLOCK(ob) && ob->id.us > 1) {
 				/* base gets copy of object */
-				obn = BKE_object_copy(ob);
+				obn = BKE_object_copy(bmain, ob);
 				base->object = obn;
 
 				if (copy_groups) {
@@ -1783,7 +1783,7 @@ static void single_object_users(Main *bmain, Scene *scene, View3D *v3d, const in
 			}
 
 			if (all_duplicated) {
-				groupn = BKE_group_copy(group);
+				groupn = BKE_group_copy(bmain, group);
 
 				for (go = groupn->gobject.first; go; go = go->next)
 					go->ob = (Object *)go->ob->id.newid;
@@ -1820,21 +1820,21 @@ void ED_object_single_user(Main *bmain, Scene *scene, Object *ob)
 	single_object_users(bmain, scene, NULL, OB_DONE, copy_groups);
 }
 
-static void new_id_matar(Material **matar, const int totcol)
+static void new_id_matar(Main *bmain, Material **matar, const int totcol)
 {
 	ID *id;
 	int a;
 
 	for (a = 0; a < totcol; a++) {
 		id = (ID *)matar[a];
-		if (id && id->lib == NULL) {
+		if (id && !ID_IS_LINKED_DATABLOCK(id)) {
 			if (id->newid) {
 				matar[a] = (Material *)id->newid;
 				id_us_plus(id->newid);
 				id_us_min(id);
 			}
 			else if (id->us > 1) {
-				matar[a] = BKE_material_copy(matar[a]);
+				matar[a] = BKE_material_copy(bmain, matar[a]);
 				id_us_min(id);
 				id->newid = (ID *)matar[a];
 			}
@@ -1856,15 +1856,15 @@ static void single_obdata_users(Main *bmain, Scene *scene, const int flag)
 
 	for (base = FIRSTBASE; base; base = base->next) {
 		ob = base->object;
-		if (ob->id.lib == NULL && (base->flag & flag) == flag) {
+		if (!ID_IS_LINKED_DATABLOCK(ob) && (base->flag & flag) == flag) {
 			id = ob->data;
 
-			if (id && id->us > 1 && id->lib == NULL) {
+			if (id && id->us > 1 && !ID_IS_LINKED_DATABLOCK(id)) {
 				DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
 
 				switch (ob->type) {
 					case OB_LAMP:
-						ob->data = la = BKE_lamp_copy(ob->data);
+						ob->data = la = BKE_lamp_copy(bmain, ob->data);
 						for (a = 0; a < MAX_MTEX; a++) {
 							if (la->mtex[a]) {
 								ID_NEW(la->mtex[a]->object);
@@ -1872,37 +1872,37 @@ static void single_obdata_users(Main *bmain, Scene *scene, const int flag)
 						}
 						break;
 					case OB_CAMERA:
-						ob->data = BKE_camera_copy(ob->data);
+						ob->data = BKE_camera_copy(bmain, ob->data);
 						break;
 					case OB_MESH:
-						ob->data = me = BKE_mesh_copy(ob->data);
+						ob->data = me = BKE_mesh_copy(bmain, ob->data);
 						if (me->key)
 							BKE_animdata_copy_id_action((ID *)me->key);
 						break;
 					case OB_MBALL:
-						ob->data = BKE_mball_copy(ob->data);
+						ob->data = BKE_mball_copy(bmain, ob->data);
 						break;
 					case OB_CURVE:
 					case OB_SURF:
 					case OB_FONT:
-						ob->data = cu = BKE_curve_copy(ob->data);
+						ob->data = cu = BKE_curve_copy(bmain, ob->data);
 						ID_NEW(cu->bevobj);
 						ID_NEW(cu->taperobj);
 						if (cu->key)
 							BKE_animdata_copy_id_action((ID *)cu->key);
 						break;
 					case OB_LATTICE:
-						ob->data = lat = BKE_lattice_copy(ob->data);
+						ob->data = lat = BKE_lattice_copy(bmain, ob->data);
 						if (lat->key)
 							BKE_animdata_copy_id_action((ID *)lat->key);
 						break;
 					case OB_ARMATURE:
 						DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
-						ob->data = BKE_armature_copy(ob->data);
+						ob->data = BKE_armature_copy(bmain, ob->data);
 						BKE_pose_rebuild(ob, ob->data);
 						break;
 					case OB_SPEAKER:
-						ob->data = BKE_speaker_copy(ob->data);
+						ob->data = BKE_speaker_copy(bmain, ob->data);
 						break;
 					default:
 						if (G.debug & G_DEBUG)
@@ -1937,14 +1937,14 @@ static void single_object_action_users(Scene *scene, const int flag)
 
 	for (base = FIRSTBASE; base; base = base->next) {
 		ob = base->object;
-		if (ob->id.lib == NULL && (flag == 0 || (base->flag & SELECT)) ) {
+		if (!ID_IS_LINKED_DATABLOCK(ob) && (flag == 0 || (base->flag & SELECT)) ) {
 			DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
 			BKE_animdata_copy_id_action(&ob->id);
 		}
 	}
 }
 
-static void single_mat_users(Scene *scene, const int flag, const bool do_textures)
+static void single_mat_users(Main *bmain, Scene *scene, const int flag, const bool do_textures)
 {
 	Object *ob;
 	Base *base;
@@ -1954,14 +1954,14 @@ static void single_mat_users(Scene *scene, const int flag, const bool do_texture
 
 	for (base = FIRSTBASE; base; base = base->next) {
 		ob = base->object;
-		if (ob->id.lib == NULL && (flag == 0 || (base->flag & SELECT)) ) {
+		if (!ID_IS_LINKED_DATABLOCK(ob) && (flag == 0 || (base->flag & SELECT)) ) {
 			for (a = 1; a <= ob->totcol; a++) {
 				ma = give_current_material(ob, a);
 				if (ma) {
 					/* do not test for LIB_TAG_NEW: this functions guaranteed delivers single_users! */
 
 					if (ma->id.us > 1) {
-						man = BKE_material_copy(ma);
+						man = BKE_material_copy(bmain, ma);
 						BKE_animdata_copy_id_action(&man->id);
 
 						man->id.us = 0;
@@ -1972,7 +1972,7 @@ static void single_mat_users(Scene *scene, const int flag, const bool do_texture
 								if (ma->mtex[b] && (tex = ma->mtex[b]->tex)) {
 									if (tex->id.us > 1) {
 										id_us_min(&tex->id);
-										tex = BKE_texture_copy(tex);
+										tex = BKE_texture_copy(bmain, tex);
 										BKE_animdata_copy_id_action(&tex->id);
 										man->mtex[b]->tex = tex;
 									}
@@ -1986,7 +1986,7 @@ static void single_mat_users(Scene *scene, const int flag, const bool do_texture
 	}
 }
 
-static void do_single_tex_user(Tex **from)
+static void do_single_tex_user(Main *bmain, Tex **from)
 {
 	Tex *tex, *texn;
 
@@ -1999,7 +1999,7 @@ static void do_single_tex_user(Tex **from)
 		id_us_min(&tex->id);
 	}
 	else if (tex->id.us > 1) {
-		texn = BKE_texture_copy(tex);
+		texn = BKE_texture_copy(bmain, tex);
 		BKE_animdata_copy_id_action(&texn->id);
 		tex->id.newid = (ID *)texn;
 		id_us_min(&tex->id);
@@ -2019,7 +2019,7 @@ static void single_tex_users_expand(Main *bmain)
 		if (ma->id.tag & LIB_TAG_NEW) {
 			for (b = 0; b < MAX_MTEX; b++) {
 				if (ma->mtex[b] && ma->mtex[b]->tex) {
-					do_single_tex_user(&(ma->mtex[b]->tex));
+					do_single_tex_user(bmain, &(ma->mtex[b]->tex));
 				}
 			}
 		}
@@ -2029,7 +2029,7 @@ static void single_tex_users_expand(Main *bmain)
 		if (la->id.tag & LIB_TAG_NEW) {
 			for (b = 0; b < MAX_MTEX; b++) {
 				if (la->mtex[b] && la->mtex[b]->tex) {
-					do_single_tex_user(&(la->mtex[b]->tex));
+					do_single_tex_user(bmain, &(la->mtex[b]->tex));
 				}
 			}
 		}
@@ -2039,7 +2039,7 @@ static void single_tex_users_expand(Main *bmain)
 		if (wo->id.tag & LIB_TAG_NEW) {
 			for (b = 0; b < MAX_MTEX; b++) {
 				if (wo->mtex[b] && wo->mtex[b]->tex) {
-					do_single_tex_user(&(wo->mtex[b]->tex));
+					do_single_tex_user(bmain, &(wo->mtex[b]->tex));
 				}
 			}
 		}
@@ -2058,19 +2058,19 @@ static void single_mat_users_expand(Main *bmain)
 
 	for (ob = bmain->object.first; ob; ob = ob->id.next)
 		if (ob->id.tag & LIB_TAG_NEW)
-			new_id_matar(ob->mat, ob->totcol);
+			new_id_matar(bmain, ob->mat, ob->totcol);
 
 	for (me = bmain->mesh.first; me; me = me->id.next)
 		if (me->id.tag & LIB_TAG_NEW)
-			new_id_matar(me->mat, me->totcol);
+			new_id_matar(bmain, me->mat, me->totcol);
 
 	for (cu = bmain->curve.first; cu; cu = cu->id.next)
 		if (cu->id.tag & LIB_TAG_NEW)
-			new_id_matar(cu->mat, cu->totcol);
+			new_id_matar(bmain, cu->mat, cu->totcol);
 
 	for (mb = bmain->mball.first; mb; mb = mb->id.next)
 		if (mb->id.tag & LIB_TAG_NEW)
-			new_id_matar(mb->mat, mb->totcol);
+			new_id_matar(bmain, mb->mat, mb->totcol);
 
 	/* material imats  */
 	for (ma = bmain->mat.first; ma; ma = ma->id.next)
@@ -2103,11 +2103,11 @@ static void make_local_makelocalmaterial(Material *ma)
 	AnimData *adt;
 	int b;
 
-	id_make_local(&ma->id, false);
+	id_make_local(G.main, &ma->id, false);
 
 	for (b = 0; b < MAX_MTEX; b++)
 		if (ma->mtex[b] && ma->mtex[b]->tex)
-			id_make_local(&ma->mtex[b]->tex->id, false);
+			id_make_local(G.main, &ma->mtex[b]->tex->id, false);
 
 	adt = BKE_animdata_from_id(&ma->id);
 	if (adt) BKE_animdata_make_local(adt);
@@ -2183,7 +2183,7 @@ static bool make_local_all__instance_indirect_unused(Main *bmain, Scene *scene)
 	bool changed = false;
 
 	for (ob = bmain->object.first; ob; ob = ob->id.next) {
-		if (ob->id.lib && (ob->id.us == 0)) {
+		if (ID_IS_LINKED_DATABLOCK(ob) && (ob->id.us == 0)) {
 			Base *base;
 
 			id_us_plus(&ob->id);
@@ -2235,7 +2235,7 @@ static int make_local_exec(bContext *C, wmOperator *op)
 		}
 
 		if (ob->id.lib)
-			id_make_local(&ob->id, false);
+			id_make_local(bmain, &ob->id, false);
 	}
 	CTX_DATA_END;
 
@@ -2257,7 +2257,7 @@ static int make_local_exec(bContext *C, wmOperator *op)
 		id = ob->data;
 
 		if (id && (ELEM(mode, MAKE_LOCAL_SELECT_OBDATA, MAKE_LOCAL_SELECT_OBDATA_MATERIAL))) {
-			id_make_local(id, false);
+			id_make_local(bmain, id, false);
 			adt = BKE_animdata_from_id(id);
 			if (adt) BKE_animdata_make_local(adt);
 
@@ -2289,7 +2289,7 @@ static int make_local_exec(bContext *C, wmOperator *op)
 
 				for (b = 0; b < MAX_MTEX; b++)
 					if (la->mtex[b] && la->mtex[b]->tex)
-						id_make_local(&la->mtex[b]->tex->id, false);
+						id_make_local(bmain, &la->mtex[b]->tex->id, false);
 			}
 			else {
 				for (a = 0; a < ob->totcol; a++) {
@@ -2371,7 +2371,7 @@ static int make_single_user_exec(bContext *C, wmOperator *op)
 	}
 
 	if (RNA_boolean_get(op->ptr, "material")) {
-		single_mat_users(scene, flag, RNA_boolean_get(op->ptr, "texture"));
+		single_mat_users(bmain, scene, flag, RNA_boolean_get(op->ptr, "texture"));
 	}
 
 #if 0 /* can't do this separate from materials */
diff --git a/source/blender/editors/object/object_shapekey.c b/source/blender/editors/object/object_shapekey.c
index 39bd34456be..e04114761e4 100644
--- a/source/blender/editors/object/object_shapekey.c
+++ b/source/blender/editors/object/object_shapekey.c
@@ -225,7 +225,7 @@ static int shape_key_mode_poll(bContext *C)
 {
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
-	return (ob && !ob->id.lib && data && !data->lib && ob->mode != OB_MODE_EDIT);
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data) && ob->mode != OB_MODE_EDIT);
 }
 
 static int shape_key_mode_exists_poll(bContext *C)
@@ -234,7 +234,7 @@ static int shape_key_mode_exists_poll(bContext *C)
 	ID *data = (ob) ? ob->data : NULL;
 
 	/* same as shape_key_mode_poll */
-	return (ob && !ob->id.lib && data && !data->lib && ob->mode != OB_MODE_EDIT) &&
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data) && ob->mode != OB_MODE_EDIT) &&
 	       /* check a keyblock exists */
 	       (BKE_keyblock_from_object(ob) != NULL);
 }
@@ -246,14 +246,15 @@ static int shape_key_move_poll(bContext *C)
 	ID *data = (ob) ? ob->data : NULL;
 	Key *key = BKE_key_from_object(ob);
 
-	return (ob && !ob->id.lib && data && !data->lib && ob->mode != OB_MODE_EDIT && key && key->totkey > 1);
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data) &&
+	        ob->mode != OB_MODE_EDIT && key && key->totkey > 1);
 }
 
 static int shape_key_poll(bContext *C)
 {
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
-	return (ob && !ob->id.lib && data && !data->lib);
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data));
 }
 
 static int shape_key_add_exec(bContext *C, wmOperator *op)
diff --git a/source/blender/editors/object/object_transform.c b/source/blender/editors/object/object_transform.c
index d2bbb73b597..4d7d7df0d2f 100644
--- a/source/blender/editors/object/object_transform.c
+++ b/source/blender/editors/object/object_transform.c
@@ -76,60 +76,87 @@
 /*************************** Clear Transformation ****************************/
 
 /* clear location of object */
-static void object_clear_loc(Object *ob)
+static void object_clear_loc(Object *ob, const bool clear_delta)
 {
 	/* clear location if not locked */
-	if ((ob->protectflag & OB_LOCK_LOCX) == 0)
-		ob->loc[0] = ob->dloc[0] = 0.0f;
-	if ((ob->protectflag & OB_LOCK_LOCY) == 0)
-		ob->loc[1] = ob->dloc[1] = 0.0f;
-	if ((ob->protectflag & OB_LOCK_LOCZ) == 0)
-		ob->loc[2] = ob->dloc[2] = 0.0f;
+	if ((ob->protectflag & OB_LOCK_LOCX) == 0) {
+		ob->loc[0] = 0.0f;
+		if (clear_delta) ob->dloc[0] = 0.0f;
+	}
+	if ((ob->protectflag & OB_LOCK_LOCY) == 0) {
+		ob->loc[1] = 0.0f;
+		if (clear_delta) ob->dloc[1] = 0.0f;
+	}
+	if ((ob->protectflag & OB_LOCK_LOCZ) == 0) {
+		ob->loc[2] = 0.0f;
+		if (clear_delta) ob->dloc[2] = 0.0f;
+	}
 }
 
 /* clear rotation of object */
-static void object_clear_rot(Object *ob)
+static void object_clear_rot(Object *ob, const bool clear_delta)
 {
 	/* clear rotations that aren't locked */
 	if (ob->protectflag & (OB_LOCK_ROTX | OB_LOCK_ROTY | OB_LOCK_ROTZ | OB_LOCK_ROTW)) {
 		if (ob->protectflag & OB_LOCK_ROT4D) {
 			/* perform clamping on a component by component basis */
 			if (ob->rotmode == ROT_MODE_AXISANGLE) {
-				if ((ob->protectflag & OB_LOCK_ROTW) == 0)
-					ob->rotAngle = ob->drotAngle = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTX) == 0)
-					ob->rotAxis[0] = ob->drotAxis[0] = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTY) == 0)
-					ob->rotAxis[1] = ob->drotAxis[1] = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTZ) == 0)
-					ob->rotAxis[2] = ob->drotAxis[2] = 0.0f;
+				if ((ob->protectflag & OB_LOCK_ROTW) == 0) {
+					ob->rotAngle = 0.0f;
+					if (clear_delta) ob->drotAngle = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTX) == 0) {
+					ob->rotAxis[0] = 0.0f;
+					if (clear_delta) ob->drotAxis[0] = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTY) == 0) {
+					ob->rotAxis[1] = 0.0f;
+					if (clear_delta) ob->drotAxis[1] = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTZ) == 0) {
+					ob->rotAxis[2] = 0.0f;
+					if (clear_delta) ob->drotAxis[2] = 0.0f;
+				}
 					
 				/* check validity of axis - axis should never be 0,0,0 (if so, then we make it rotate about y) */
 				if (IS_EQF(ob->rotAxis[0], ob->rotAxis[1]) && IS_EQF(ob->rotAxis[1], ob->rotAxis[2]))
 					ob->rotAxis[1] = 1.0f;
-				if (IS_EQF(ob->drotAxis[0], ob->drotAxis[1]) && IS_EQF(ob->drotAxis[1], ob->drotAxis[2]))
+				if (IS_EQF(ob->drotAxis[0], ob->drotAxis[1]) && IS_EQF(ob->drotAxis[1], ob->drotAxis[2]) && clear_delta)
 					ob->drotAxis[1] = 1.0f;
 			}
 			else if (ob->rotmode == ROT_MODE_QUAT) {
-				if ((ob->protectflag & OB_LOCK_ROTW) == 0)
-					ob->quat[0] = ob->dquat[0] = 1.0f;
-				if ((ob->protectflag & OB_LOCK_ROTX) == 0)
-					ob->quat[1] = ob->dquat[1] = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTY) == 0)
-					ob->quat[2] = ob->dquat[2] = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTZ) == 0)
-					ob->quat[3] = ob->dquat[3] = 0.0f;
-					
+				if ((ob->protectflag & OB_LOCK_ROTW) == 0) {
+					ob->quat[0] = 1.0f;
+					if (clear_delta) ob->dquat[0] = 1.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTX) == 0) {
+					ob->quat[1] = 0.0f;
+					if (clear_delta) ob->dquat[1] = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTY) == 0) {
+					ob->quat[2] = 0.0f;
+					if (clear_delta) ob->dquat[2] = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTZ) == 0) {
+					ob->quat[3] = 0.0f;
+					if (clear_delta) ob->dquat[3] = 0.0f;
+				}
 				/* TODO: does this quat need normalizing now? */
 			}
 			else {
 				/* the flag may have been set for the other modes, so just ignore the extra flag... */
-				if ((ob->protectflag & OB_LOCK_ROTX) == 0)
-					ob->rot[0] = ob->drot[0] = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTY) == 0)
-					ob->rot[1] = ob->drot[1] = 0.0f;
-				if ((ob->protectflag & OB_LOCK_ROTZ) == 0)
-					ob->rot[2] = ob->drot[2] = 0.0f;
+				if ((ob->protectflag & OB_LOCK_ROTX) == 0) {
+					ob->rot[0] = 0.0f;
+					if (clear_delta) ob->drot[0] = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTY) == 0) {
+					ob->rot[1] = 0.0f;
+					if (clear_delta) ob->drot[1] = 0.0f;
+				}
+				if ((ob->protectflag & OB_LOCK_ROTZ) == 0) {
+					ob->rot[2] = 0.0f;
+					if (clear_delta) ob->drot[2] = 0.0f;
+				}
 			}
 		}
 		else {
@@ -175,34 +202,34 @@ static void object_clear_rot(Object *ob)
 	else {
 		if (ob->rotmode == ROT_MODE_QUAT) {
 			unit_qt(ob->quat);
-			unit_qt(ob->dquat);
+			if (clear_delta) unit_qt(ob->dquat);
 		}
 		else if (ob->rotmode == ROT_MODE_AXISANGLE) {
 			unit_axis_angle(ob->rotAxis, &ob->rotAngle);
-			unit_axis_angle(ob->drotAxis, &ob->drotAngle);
+			if (clear_delta) unit_axis_angle(ob->drotAxis, &ob->drotAngle);
 		}
 		else {
 			zero_v3(ob->rot);
-			zero_v3(ob->drot);
+			if (clear_delta) zero_v3(ob->drot);
 		}
 	}
 }
 
 /* clear scale of object */
-static void object_clear_scale(Object *ob)
+static void object_clear_scale(Object *ob, const bool clear_delta)
 {
 	/* clear scale factors which are not locked */
 	if ((ob->protectflag & OB_LOCK_SCALEX) == 0) {
-		ob->dscale[0] = 1.0f;
 		ob->size[0] = 1.0f;
+		if (clear_delta) ob->dscale[0] = 1.0f;
 	}
 	if ((ob->protectflag & OB_LOCK_SCALEY) == 0) {
-		ob->dscale[1] = 1.0f;
 		ob->size[1] = 1.0f;
+		if (clear_delta) ob->dscale[1] = 1.0f;
 	}
 	if ((ob->protectflag & OB_LOCK_SCALEZ) == 0) {
-		ob->dscale[2] = 1.0f;
 		ob->size[2] = 1.0f;
+		if (clear_delta) ob->dscale[2] = 1.0f;
 	}
 }
 
@@ -210,10 +237,12 @@ static void object_clear_scale(Object *ob)
 
 /* generic exec for clear-transform operators */
 static int object_clear_transform_generic_exec(bContext *C, wmOperator *op, 
-                                               void (*clear_func)(Object *), const char default_ksName[])
+                                               void (*clear_func)(Object *, const bool),
+                                               const char default_ksName[])
 {
 	Scene *scene = CTX_data_scene(C);
 	KeyingSet *ks;
+	const bool clear_delta = RNA_boolean_get(op->ptr, "clear_delta");
 	
 	/* sanity checks */
 	if (ELEM(NULL, clear_func, default_ksName)) {
@@ -231,10 +260,10 @@ static int object_clear_transform_generic_exec(bContext *C, wmOperator *op,
 	{
 		if (!(ob->mode & OB_MODE_WEIGHT_PAINT)) {
 			/* run provided clearing function */
-			clear_func(ob);
-
+			clear_func(ob, clear_delta);
+			
 			ED_autokeyframe_object(C, scene, ob, ks);
-
+			
 			/* tag for updates */
 			DAG_id_tag_update(&ob->id, OB_RECALC_OB);
 		}
@@ -268,6 +297,11 @@ void OBJECT_OT_location_clear(wmOperatorType *ot)
 	
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+	
+	
+	/* properties */
+	ot->prop = RNA_def_boolean(ot->srna, "clear_delta", false, "Clear Delta",
+	                           "Clear delta location in addition to clearing the normal location transform");
 }
 
 static int object_rotation_clear_exec(bContext *C, wmOperator *op)
@@ -288,6 +322,10 @@ void OBJECT_OT_rotation_clear(wmOperatorType *ot)
 	
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+	
+	/* properties */
+	ot->prop = RNA_def_boolean(ot->srna, "clear_delta", false, "Clear Delta",
+	                           "Clear delta rotation in addition to clearing the normal rotation transform");
 }
 
 static int object_scale_clear_exec(bContext *C, wmOperator *op)
@@ -308,6 +346,10 @@ void OBJECT_OT_scale_clear(wmOperatorType *ot)
 	
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+	
+	/* properties */
+	ot->prop = RNA_def_boolean(ot->srna, "clear_delta", false, "Clear Delta",
+	                           "Clear delta scale in addition to clearing the normal scale transform");
 }
 
 /* --------------- */
@@ -391,7 +433,7 @@ static int apply_objects_internal(bContext *C, ReportList *reports, bool apply_l
 				changed = false;
 			}
 
-			if (obdata->lib) {
+			if (ID_IS_LINKED_DATABLOCK(obdata)) {
 				BKE_reportf(reports, RPT_ERROR,
 				            "Cannot apply to library data: Object \"%s\", %s \"%s\", aborting",
 				            ob->id.name + 2, BKE_idcode_to_name(GS(obdata->name)), obdata->name + 2);
@@ -792,7 +834,7 @@ static int object_origin_set_exec(bContext *C, wmOperator *op)
 			if (ob->data == NULL) {
 				/* special support for dupligroups */
 				if ((ob->transflag & OB_DUPLIGROUP) && ob->dup_group && (ob->dup_group->id.tag & LIB_TAG_DOIT) == 0) {
-					if (ob->dup_group->id.lib) {
+					if (ID_IS_LINKED_DATABLOCK(ob->dup_group)) {
 						tot_lib_error++;
 					}
 					else {
@@ -817,7 +859,7 @@ static int object_origin_set_exec(bContext *C, wmOperator *op)
 					}
 				}
 			}
-			else if (((ID *)ob->data)->lib) {
+			else if (ID_IS_LINKED_DATABLOCK(ob->data)) {
 				tot_lib_error++;
 			}
 
diff --git a/source/blender/editors/object/object_vgroup.c b/source/blender/editors/object/object_vgroup.c
index 414cc476be5..6e8aaebcccc 100644
--- a/source/blender/editors/object/object_vgroup.c
+++ b/source/blender/editors/object/object_vgroup.c
@@ -2447,8 +2447,8 @@ static int vertex_group_poll(bContext *C)
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
 
-	return (ob && !ob->id.lib &&
-	        data && !data->lib &&
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) &&
+	        data && !ID_IS_LINKED_DATABLOCK(data) &&
 	        OB_TYPE_SUPPORT_VGROUP(ob->type) &&
 	        ob->defbase.first);
 }
@@ -2457,7 +2457,8 @@ static int vertex_group_supported_poll(bContext *C)
 {
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
-	return (ob && !ob->id.lib && OB_TYPE_SUPPORT_VGROUP(ob->type) && data && !data->lib);
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) && OB_TYPE_SUPPORT_VGROUP(ob->type) &&
+	        data && !ID_IS_LINKED_DATABLOCK(data));
 }
 
 static int vertex_group_mesh_poll(bContext *C)
@@ -2465,8 +2466,8 @@ static int vertex_group_mesh_poll(bContext *C)
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
 
-	return (ob && !ob->id.lib &&
-	        data && !data->lib &&
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) &&
+	        data && !ID_IS_LINKED_DATABLOCK(data) &&
 	        ob->type == OB_MESH &&
 	        ob->defbase.first);
 }
@@ -2475,7 +2476,7 @@ static int UNUSED_FUNCTION(vertex_group_mesh_supported_poll)(bContext *C)
 {
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
-	return (ob && !ob->id.lib && ob->type == OB_MESH && data && !data->lib);
+	return (ob && !ID_IS_LINKED_DATABLOCK(ob) && ob->type == OB_MESH && data && !ID_IS_LINKED_DATABLOCK(data));
 }
 
 
@@ -2484,7 +2485,7 @@ static int UNUSED_FUNCTION(vertex_group_poll_edit) (bContext *C)
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
 
-	if (!(ob && !ob->id.lib && data && !data->lib))
+	if (!(ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data)))
 		return 0;
 
 	return BKE_object_is_in_editmode_vgroup(ob);
@@ -2496,7 +2497,7 @@ static int vertex_group_vert_select_poll_ex(bContext *C, const short ob_type_fla
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
 
-	if (!(ob && !ob->id.lib && data && !data->lib))
+	if (!(ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data)))
 		return false;
 
 	if (ob_type_flag && (((1 << ob->type) & ob_type_flag)) == 0) {
@@ -2536,7 +2537,7 @@ static int vertex_group_vert_select_unlocked_poll(bContext *C)
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
 
-	if (!(ob && !ob->id.lib && data && !data->lib))
+	if (!(ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data)))
 		return 0;
 
 	if (!(BKE_object_is_in_editmode_vgroup(ob) ||
@@ -2559,7 +2560,7 @@ static int vertex_group_vert_select_mesh_poll(bContext *C)
 	Object *ob = ED_object_context(C);
 	ID *data = (ob) ? ob->data : NULL;
 
-	if (!(ob && !ob->id.lib && data && !data->lib))
+	if (!(ob && !ID_IS_LINKED_DATABLOCK(ob) && data && !ID_IS_LINKED_DATABLOCK(data)))
 		return 0;
 
 	/* only difference to #vertex_group_vert_select_poll */
@@ -2748,7 +2749,7 @@ static int vertex_group_select_exec(bContext *C, wmOperator *UNUSED(op))
 {
 	Object *ob = ED_object_context(C);
 
-	if (!ob || ob->id.lib)
+	if (!ob || ID_IS_LINKED_DATABLOCK(ob))
 		return OPERATOR_CANCELLED;
 
 	vgroup_select_verts(ob, 1);