/*
 * $Id$
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software  Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2007 by Nicholas Bishop
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */ 

struct CustomData;
struct EditMesh;
struct Multires;
struct MultiresLevel;
struct Mesh;
struct Object;

/* Level access */
struct MultiresLevel *current_level(struct Multires *mr);
struct MultiresLevel *multires_level_n(struct Multires *mr, int n);

/* Level control */
void multires_add_level(struct Object *ob, struct Mesh *me, const char subdiv_type);
void multires_set_level(struct Object *ob, struct Mesh *me, const int render);
void multires_free_level(struct MultiresLevel *lvl);

void multires_edge_level_update(struct Object *ob, struct Mesh *me);

void multires_free(struct Multires *mr);
struct Multires *multires_copy(struct Multires *orig);
void multires_create(struct Object *ob, struct Mesh *me);

/* CustomData */
void multires_delete_layer(struct Mesh *me, struct CustomData *cd, const int type, int n);
void multires_add_layer(struct Mesh *me, struct CustomData *cd, const int type, const int n);
void multires_del_lower_customdata(struct Multires *mr, struct MultiresLevel *cr_lvl);
void multires_to_mcol(struct MultiresColFace *f, MCol mcol[4]);
/* After adding or removing vcolor layers, run this */
void multires_load_cols(struct Mesh *me);

/* Private (used in multires-firstlevel.c) */
void multires_level_to_mesh(struct Object *ob, struct Mesh *me, const int render);
void multires_update_levels(struct Mesh *me, const int render);
void multires_update_first_level(struct Mesh *me, struct EditMesh *em);
void multires_update_customdata(struct MultiresLevel *lvl1, struct EditMesh *em, struct CustomData *src,
				struct CustomData *dst, const int type);
void multires_customdata_to_mesh(struct Mesh *me, struct EditMesh *em,
				 struct MultiresLevel *lvl, struct CustomData *src,
                                 struct CustomData *dst, const int type);