Differential D1405 Diff 4688 source/blender/editors/mesh/editface.c

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source/blender/editors/mesh/editface.c

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	/* copy the face flags, most importantly selection from the mesh to the final derived mesh,			/* copy the face flags, most importantly selection from the mesh to the final derived mesh,
	* use in object mode when selecting faces (while painting) */			* use in object mode when selecting faces (while painting) */
	void paintface_flush_flags(Object *ob)			void paintface_flush_flags(Object *ob)
	{			{
	Mesh *me = BKE_mesh_from_object(ob);			Mesh *me = BKE_mesh_from_object(ob);
	DerivedMesh *dm = ob->derivedFinal;			DerivedMesh *dm = ob->derivedFinal;
	MPoly polys, mp_orig;			MPoly polys, mp_orig;
	MFace *faces;
	const int *index_array = NULL;			const int *index_array = NULL;
	int totface, totpoly;			int totpoly;
	int i;			int i;

	if (me == NULL)			if (me == NULL)
	return;			return;

	/* note, call #BKE_mesh_flush_hidden_from_verts_ex first when changing hidden flags */			/* note, call #BKE_mesh_flush_hidden_from_verts_ex first when changing hidden flags */

	/* we could call this directly in all areas that change selection,			/* we could call this directly in all areas that change selection,
	* since this could become slow for realtime updates (circle-select for eg) */			* since this could become slow for realtime updates (circle-select for eg) */
	BKE_mesh_flush_select_from_polys(me);			BKE_mesh_flush_select_from_polys(me);

	if (dm == NULL)			if (dm == NULL)
	return;			return;

	/*			/* Mesh polys => Final derived polys */
	* Try to push updated mesh poly flags to three other data sets:
	* - Mesh polys => Mesh tess faces
	* - Mesh polys => Final derived polys
	* - Final derived polys => Final derived tessfaces
	*/

	if ((index_array = CustomData_get_layer(&me->fdata, CD_ORIGINDEX))) {
	faces = me->mface;
	totface = me->totface;

	/* loop over tessfaces */
	for (i = 0; i < totface; i++) {
	if (index_array[i] != ORIGINDEX_NONE) {
	/* Copy flags onto the original tessface from its original poly */
	mp_orig = me->mpoly + index_array[i];
	faces[i].flag = mp_orig->flag;
	}
	}
	}

	if ((index_array = CustomData_get_layer(&dm->polyData, CD_ORIGINDEX))) {			if ((index_array = CustomData_get_layer(&dm->polyData, CD_ORIGINDEX))) {
	polys = dm->getPolyArray(dm);			polys = dm->getPolyArray(dm);
	totpoly = dm->getNumPolys(dm);			totpoly = dm->getNumPolys(dm);

	/* loop over final derived polys */			/* loop over final derived polys */
	for (i = 0; i < totpoly; i++) {			for (i = 0; i < totpoly; i++) {
	if (index_array[i] != ORIGINDEX_NONE) {			if (index_array[i] != ORIGINDEX_NONE) {
	/* Copy flags onto the final derived poly from the original mesh poly */			/* Copy flags onto the final derived poly from the original mesh poly */
	mp_orig = me->mpoly + index_array[i];			mp_orig = me->mpoly + index_array[i];
	polys[i].flag = mp_orig->flag;			polys[i].flag = mp_orig->flag;
	}			}
	}			}
	}			}

	if ((index_array = CustomData_get_layer(&dm->faceData, CD_ORIGINDEX))) {
	polys = dm->getPolyArray(dm);
	faces = dm->getTessFaceArray(dm);
	totface = dm->getNumTessFaces(dm);

	/* loop over tessfaces */
	for (i = 0; i < totface; i++) {
	if (index_array[i] != ORIGINDEX_NONE) {
	/* Copy flags onto the final tessface from its final poly */
	mp_orig = polys + index_array[i];
	faces[i].flag = mp_orig->flag;
	}
	}
	}
	}			}

	void paintface_hide(Object *ob, const bool unselected)			void paintface_hide(Object *ob, const bool unselected)
	{			{
	Mesh *me;			Mesh *me;
	MPoly *mpoly;			MPoly *mpoly;
	int a;			int a;

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