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test2/source/blender/nodes/geometry/include/NOD_geo_index_switch.hh
2024-10-03 23:41:51 +02:00

56 lines
1.5 KiB
C++

/* SPDX-FileCopyrightText: 2024 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include "DNA_node_types.h"
#include "NOD_socket_items.hh"
namespace blender::nodes {
/**
* Makes it possible to use various functions (e.g. the ones in `NOD_socket_items.hh`) for index
* switch items.
*/
struct IndexSwitchItemsAccessor {
using ItemT = IndexSwitchItem;
static StructRNA *item_srna;
static int node_type;
static int item_dna_type;
static constexpr const char *node_idname = "GeometryNodeIndexSwitch";
static constexpr bool has_type = false;
static constexpr bool has_name = false;
static constexpr bool has_single_identifier_str = true;
static socket_items::SocketItemsRef<IndexSwitchItem> get_items_from_node(bNode &node)
{
auto &storage = *static_cast<NodeIndexSwitch *>(node.storage);
return {&storage.items, &storage.items_num, nullptr};
}
static void copy_item(const IndexSwitchItem &src, IndexSwitchItem &dst)
{
dst = src;
}
static void destruct_item(IndexSwitchItem * /*item*/) {}
static void blend_write_item(BlendWriter *writer, const ItemT &item);
static void blend_read_data_item(BlendDataReader *reader, ItemT &item);
static void init(bNode &node, IndexSwitchItem &item)
{
auto &storage = *static_cast<NodeIndexSwitch *>(node.storage);
item.identifier = storage.next_identifier++;
}
static std::string socket_identifier_for_item(const IndexSwitchItem &item)
{
return "Item_" + std::to_string(item.identifier);
}
};
} // namespace blender::nodes