0618de49ad
Use `std::min` and `std::max` instead. Though keep MIN2 and MAX2 just for C code that hasn't been moved to C++ yet. Pull Request: https://projects.blender.org/blender/blender/pulls/117384
128 lines
4.4 KiB
C++
128 lines
4.4 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup RNA
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*/
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#pragma once
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/* Macros to help reduce code clutter in rna_mesh.cc */
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/* Define the accessors for a basic CustomDataLayer collection, skipping anonymous layers */
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#define DEFINE_CUSTOMDATA_LAYER_COLLECTION(collection_name, customdata_type, layer_type) \
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/* check */ \
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[[maybe_unused]] static int rna_##collection_name##_check(CollectionPropertyIterator *, \
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void *data) \
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{ \
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CustomDataLayer *layer = (CustomDataLayer *)data; \
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return (layer->anonymous_id != NULL || layer->type != layer_type); \
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} \
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/* begin */ \
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[[maybe_unused]] static void rna_Mesh_##collection_name##s_begin( \
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CollectionPropertyIterator *iter, PointerRNA *ptr) \
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{ \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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if (data) { \
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rna_iterator_array_begin(iter, \
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(void *)data->layers, \
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sizeof(CustomDataLayer), \
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data->totlayer, \
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0, \
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rna_##collection_name##_check); \
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} \
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else { \
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rna_iterator_array_begin(iter, NULL, 0, 0, 0, NULL); \
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} \
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} \
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/* length */ \
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[[maybe_unused]] static int rna_Mesh_##collection_name##s_length(PointerRNA *ptr) \
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{ \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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return data ? CustomData_number_of_layers(data, layer_type) - \
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CustomData_number_of_anonymous_layers(data, layer_type) : \
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0; \
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} \
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/* index range */ \
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[[maybe_unused]] static void rna_Mesh_##collection_name##_index_range( \
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PointerRNA *ptr, int *min, int *max, int *, int *) \
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{ \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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*min = 0; \
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*max = data ? CustomData_number_of_layers(data, layer_type) - \
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CustomData_number_of_anonymous_layers(data, layer_type) - 1 : \
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0; \
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*max = std::max(0, *max); \
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}
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/* Define the accessors for special CustomDataLayers in the collection
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* (active, render, clone, stencil, etc) */
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#define DEFINE_CUSTOMDATA_LAYER_COLLECTION_ACTIVEITEM( \
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collection_name, customdata_type, layer_type, active_type, layer_rna_type) \
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\
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[[maybe_unused]] static PointerRNA rna_Mesh_##collection_name##_##active_type##_get( \
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PointerRNA *ptr) \
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{ \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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CustomDataLayer *layer; \
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if (data) { \
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int index = CustomData_get_##active_type##_layer_index(data, layer_type); \
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layer = (index == -1) ? NULL : &data->layers[index]; \
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} \
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else { \
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layer = NULL; \
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} \
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return rna_pointer_inherit_refine(ptr, &RNA_##layer_rna_type, layer); \
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} \
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\
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[[maybe_unused]] static void rna_Mesh_##collection_name##_##active_type##_set( \
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PointerRNA *ptr, PointerRNA value, ReportList *) \
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{ \
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Mesh *mesh = rna_mesh(ptr); \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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int a; \
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if (data) { \
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CustomDataLayer *layer; \
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int layer_index = CustomData_get_layer_index(data, layer_type); \
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for (layer = data->layers + layer_index, a = 0; layer_index + a < data->totlayer; \
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layer++, a++) \
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{ \
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if (value.data == layer) { \
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CustomData_set_layer_##active_type(data, layer_type, a); \
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BKE_mesh_tessface_clear(mesh); \
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return; \
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} \
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} \
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} \
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} \
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\
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[[maybe_unused]] static int rna_Mesh_##collection_name##_##active_type##_index_get( \
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PointerRNA *ptr) \
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{ \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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if (data) { \
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return CustomData_get_##active_type##_layer(data, layer_type); \
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} \
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else { \
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return 0; \
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} \
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} \
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\
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[[maybe_unused]] static void rna_Mesh_##collection_name##_##active_type##_index_set( \
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PointerRNA *ptr, int value) \
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{ \
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Mesh *mesh = rna_mesh(ptr); \
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CustomData *data = rna_mesh_##customdata_type(ptr); \
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if (data) { \
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if (UNLIKELY(value < 0)) { \
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value = 0; \
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} \
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else if (value > 0) { \
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value = min_ii(value, CustomData_number_of_layers(data, layer_type) - 1); \
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} \
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CustomData_set_layer_##active_type(data, layer_type, value); \
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BKE_mesh_tessface_clear(mesh); \
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} \
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}
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