/*
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */

#ifndef __BKE_MATERIAL_H__
#define __BKE_MATERIAL_H__

/** \file
 * \ingroup bke
 * \brief General operations, lookup, etc. for materials.
 */
#ifdef __cplusplus
extern "C" {
#endif

struct ID;
struct Main;
struct Material;
struct Object;
struct Scene;
struct bNode;

/* materials */

void init_def_material(void);
void BKE_material_gpencil_default_free(void);
void BKE_material_free(struct Material *ma);
void test_object_materials(struct Main *bmain, struct Object *ob, struct ID *id);
void test_all_objects_materials(struct Main *bmain, struct ID *id);
void BKE_material_resize_object(struct Main *bmain,
                                struct Object *ob,
                                const short totcol,
                                bool do_id_user);
void BKE_material_init(struct Material *ma);
void BKE_material_gpencil_init(struct Material *ma);
void BKE_material_remap_object(struct Object *ob, const unsigned int *remap);
void BKE_material_remap_object_calc(struct Object *ob_dst,
                                    struct Object *ob_src,
                                    short *remap_src_to_dst);
struct Material *BKE_material_add(struct Main *bmain, const char *name);
struct Material *BKE_material_add_gpencil(struct Main *bmain, const char *name);
void BKE_material_copy_data(struct Main *bmain,
                            struct Material *ma_dst,
                            const struct Material *ma_src,
                            const int flag);
struct Material *BKE_material_copy(struct Main *bmain, const struct Material *ma);
struct Material *BKE_material_localize(struct Material *ma);
struct Material *give_node_material(struct Material *ma); /* returns node material or self */
void BKE_material_make_local(struct Main *bmain, struct Material *ma, const bool lib_local);
void BKE_material_init_gpencil_settings(struct Material *ma);

/* UNUSED */
// void automatname(struct Material *);

/* material slots */

struct Material ***give_matarar(struct Object *ob);
short *give_totcolp(struct Object *ob);
struct Material ***give_matarar_id(struct ID *id); /* same but for ID's */
short *give_totcolp_id(struct ID *id);

enum {
  /* use existing link option */
  BKE_MAT_ASSIGN_EXISTING,
  BKE_MAT_ASSIGN_USERPREF,
  BKE_MAT_ASSIGN_OBDATA,
  BKE_MAT_ASSIGN_OBJECT,
};

struct Material **give_current_material_p(struct Object *ob, short act);
struct Material *give_current_material(struct Object *ob, short act);
void assign_material_id(struct Main *bmain, struct ID *id, struct Material *ma, short act);
void assign_material(
    struct Main *bmain, struct Object *ob, struct Material *ma, short act, int assign_type);
void assign_matarar(struct Main *bmain, struct Object *ob, struct Material ***matar, short totcol);

short BKE_object_material_slot_find_index(struct Object *ob, struct Material *ma);
bool BKE_object_material_slot_add(struct Main *bmain, struct Object *ob);
bool BKE_object_material_slot_remove(struct Main *bmain, struct Object *ob);
bool BKE_object_material_slot_used(struct ID *id, short actcol);

struct Material *BKE_material_gpencil_get(struct Object *ob, short act);
struct MaterialGPencilStyle *BKE_material_gpencil_settings_get(struct Object *ob, short act);

void BKE_texpaint_slot_refresh_cache(struct Scene *scene, struct Material *ma);
void BKE_texpaint_slots_refresh_object(struct Scene *scene, struct Object *ob);
struct bNode *BKE_texpaint_slot_material_find_node(struct Material *ma, short texpaint_slot);

/* rna api */
void BKE_material_resize_id(struct Main *bmain, struct ID *id, short totcol, bool do_id_user);
void BKE_material_append_id(struct Main *bmain, struct ID *id, struct Material *ma);
struct Material *BKE_material_pop_id(struct Main *bmain,
                                     struct ID *id,
                                     /* index is an int because of RNA. */
                                     int index);
void BKE_material_clear_id(struct Main *bmain, struct ID *id);
/* rendering */

void ramp_blend(int type, float r_col[3], const float fac, const float col[3]);

/* copy/paste */
void clear_matcopybuf(void);
void free_matcopybuf(void);
void copy_matcopybuf(struct Main *bmain, struct Material *ma);
void paste_matcopybuf(struct Main *bmain, struct Material *ma);

/* Dependency graph evaluation. */

struct Depsgraph;

void BKE_material_eval(struct Depsgraph *depsgraph, struct Material *material);

extern struct Material defmaterial;
extern struct Material defgpencil_material;

#ifdef __cplusplus
}
#endif

#endif
