tornavis/source/blender/blenkernel/BKE_attribute.h

144 lines
6.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup bke
* \brief Generic geometry attributes built on CustomData.
*/
#pragma once
#include "BLI_sys_types.h"
#include "BKE_customdata.h"
#ifdef __cplusplus
extern "C" {
#endif
struct CustomData;
struct CustomDataLayer;
struct ID;
struct ReportList;
/** #Attribute.domain */
typedef enum eAttrDomain {
ATTR_DOMAIN_AUTO = -1, /* Use for nodes to choose automatically based on other data. */
ATTR_DOMAIN_POINT = 0, /* Mesh, Curve or Point Cloud Point */
ATTR_DOMAIN_EDGE = 1, /* Mesh Edge */
ATTR_DOMAIN_FACE = 2, /* Mesh Face */
ATTR_DOMAIN_CORNER = 3, /* Mesh Corner */
ATTR_DOMAIN_CURVE = 4, /* A single curve in a larger curve data-block */
ATTR_DOMAIN_INSTANCE = 5, /* Instance */
} eAttrDomain;
#define ATTR_DOMAIN_NUM 6
typedef enum eAttrDomainMask {
ATTR_DOMAIN_MASK_POINT = (1 << 0),
ATTR_DOMAIN_MASK_EDGE = (1 << 1),
ATTR_DOMAIN_MASK_FACE = (1 << 2),
ATTR_DOMAIN_MASK_CORNER = (1 << 3),
ATTR_DOMAIN_MASK_CURVE = (1 << 4),
ATTR_DOMAIN_MASK_ALL = (1 << 5) - 1
} eAttrDomainMask;
#define ATTR_DOMAIN_AS_MASK(domain) ((eAttrDomainMask)((1 << (int)(domain))))
/* All domains that support color attributes. */
#define ATTR_DOMAIN_MASK_COLOR \
((eAttrDomainMask)((ATTR_DOMAIN_MASK_POINT | ATTR_DOMAIN_MASK_CORNER)))
/* Attributes. */
bool BKE_id_attributes_supported(const struct ID *id);
bool BKE_attribute_allow_procedural_access(const char *attribute_name);
/**
* Create a new attribute layer.
*/
struct CustomDataLayer *BKE_id_attribute_new(
struct ID *id, const char *name, int type, eAttrDomain domain, struct ReportList *reports);
bool BKE_id_attribute_remove(struct ID *id, const char *name, struct ReportList *reports);
/**
* Creates a duplicate attribute layer.
*/
struct CustomDataLayer *BKE_id_attribute_duplicate(struct ID *id,
const char *name,
struct ReportList *reports);
struct CustomDataLayer *BKE_id_attribute_find(const struct ID *id,
const char *name,
int type,
eAttrDomain domain);
struct CustomDataLayer *BKE_id_attribute_search(struct ID *id,
const char *name,
eCustomDataMask type,
eAttrDomainMask domain_mask);
eAttrDomain BKE_id_attribute_domain(const struct ID *id, const struct CustomDataLayer *layer);
int BKE_id_attribute_data_length(struct ID *id, struct CustomDataLayer *layer);
bool BKE_id_attribute_required(const struct ID *id, const char *name);
bool BKE_id_attribute_rename(struct ID *id,
const char *old_name,
const char *new_name,
struct ReportList *reports);
int BKE_id_attributes_length(const struct ID *id,
eAttrDomainMask domain_mask,
eCustomDataMask mask);
struct CustomDataLayer *BKE_id_attributes_active_get(struct ID *id);
void BKE_id_attributes_active_set(struct ID *id, struct CustomDataLayer *layer);
int *BKE_id_attributes_active_index_p(struct ID *id);
CustomData *BKE_id_attributes_iterator_next_domain(struct ID *id, struct CustomDataLayer *layers);
CustomDataLayer *BKE_id_attribute_from_index(struct ID *id,
int lookup_index,
eAttrDomainMask domain_mask,
eCustomDataMask layer_mask);
/** Layer is allowed to be nullptr; if so -1 (layer not found) will be returned. */
int BKE_id_attribute_to_index(const struct ID *id,
const CustomDataLayer *layer,
eAttrDomainMask domain_mask,
eCustomDataMask layer_mask);
struct CustomDataLayer *BKE_id_attribute_subset_active_get(const struct ID *id,
int active_flag,
eAttrDomainMask domain_mask,
eCustomDataMask mask);
void BKE_id_attribute_subset_active_set(struct ID *id,
struct CustomDataLayer *layer,
int active_flag,
eAttrDomainMask domain_mask,
eCustomDataMask mask);
/**
* Sets up a temporary ID with arbitrary CustomData domains. `r_id` will
* be zero initialized with ID type id_type and any non-nullptr
* CustomData parameter will be copied into the appropriate struct members.
*
* \param r_id: Pointer to storage sufficient for ID type-code id_type.
*/
void BKE_id_attribute_copy_domains_temp(short id_type,
const struct CustomData *vdata,
const struct CustomData *edata,
const struct CustomData *ldata,
const struct CustomData *pdata,
const struct CustomData *cdata,
struct ID *r_id);
struct CustomDataLayer *BKE_id_attributes_active_color_get(const struct ID *id);
void BKE_id_attributes_active_color_set(struct ID *id, struct CustomDataLayer *active_layer);
struct CustomDataLayer *BKE_id_attributes_render_color_get(const struct ID *id);
void BKE_id_attributes_render_color_set(struct ID *id, struct CustomDataLayer *active_layer);
struct CustomDataLayer *BKE_id_attributes_color_find(const struct ID *id, const char *name);
bool BKE_id_attribute_calc_unique_name(struct ID *id, const char *name, char *outname);
#ifdef __cplusplus
}
#endif