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/*
* ***** 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., 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.
*
* This is a new part of Blender.
*
* Contributor(s): Andrew Wiggin
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/source/blender/makesrna/intern/rna_mesh_utils.h
* \ingroup RNA
*/
#ifndef __RNA_MESH_UTILS_H__
#define __RNA_MESH_UTILS_H__
/* Macros to help reduce code clutter in rna_mesh.c */
/* Define the accessors for a basic CustomDataLayer collection */
#define DEFINE_CUSTOMDATA_LAYER_COLLECTION(collection_name, customdata_type, layer_type) \
\
static int rna_##collection_name##_check(CollectionPropertyIterator *iter, void *data) \
{ \
CustomDataLayer *layer = (CustomDataLayer*)data; \
return (layer->type != layer_type); \
} \
\
static void rna_Mesh_##collection_name##s_begin(CollectionPropertyIterator *iter, PointerRNA *ptr) \
{ \
CustomData *data = rna_mesh_##customdata_type(ptr); \
rna_iterator_array_begin(iter, (void*)data->layers, sizeof(CustomDataLayer), data->totlayer, 0, rna_##collection_name##_check); \
} \
\
static int rna_Mesh_##collection_name##s_length(PointerRNA *ptr) \
{ \
CustomData *data = rna_mesh_##customdata_type(ptr); \
return data ? CustomData_number_of_layers(data, layer_type) : 0; \
} \
\
static void rna_Mesh_##collection_name##_index_range(PointerRNA *ptr, int *min, int *max) \
{ \
CustomData *data = rna_mesh_##customdata_type(ptr); \
\
*min = 0; \
*max = data ? CustomData_number_of_layers(data, layer_type) - 1 : 0; \
*max = MAX2(0, *max); \
}
/* Define the accessors for special CustomDataLayers in the collection
(active, render, clone, stencil, etc) */
#define DEFINE_CUSTOMDATA_LAYER_COLLECTION_ACTIVEITEM(collection_name, customdata_type, layer_type, active_type, layer_rna_type) \
\
static PointerRNA rna_Mesh_##collection_name##_##active_type##_get(PointerRNA *ptr) \
{ \
CustomData *data = rna_mesh_##customdata_type(ptr); \
int index = CustomData_get_##active_type##_layer_index(data, layer_type); \
CustomDataLayer *cdl = (index == -1)? NULL: &data->layers[index]; \
\
return rna_pointer_inherit_refine(ptr, &RNA_##layer_rna_type, cdl); \
} \
\
static void rna_Mesh_##collection_name##_##active_type##_set(PointerRNA *ptr, PointerRNA value) \
{ \
Mesh *me = rna_mesh(ptr); \
CustomData *data = rna_mesh_##customdata_type(ptr); \
CustomDataLayer *cdl; \
int a; \
\
for (cdl = data->layers, a = 0; a<data->totlayer; cdl++, a++) { \
if (value.data == cdl) { \
CustomData_set_layer_##active_type##_index(data, layer_type, a); \
mesh_update_customdata_pointers(me, TRUE); \
return; \
} \
} \
} \
\
static int rna_Mesh_##collection_name##_##active_type##_index_get(PointerRNA *ptr) \
{ \
CustomData *data = rna_mesh_##customdata_type(ptr); \
return CustomData_get_##active_type##_layer(data, layer_type); \
} \
\
static void rna_Mesh_##collection_name##_##active_type##_index_set(PointerRNA *ptr, int value) \
{ \
Mesh *me = rna_mesh(ptr); \
CustomData *data = rna_mesh_##customdata_type(ptr); \
\
CustomData_set_layer_##active_type(data, layer_type, value); \
mesh_update_customdata_pointers(me, TRUE); \
}
#endif /* __RNA_MESH_UTILS_H__ */
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