116 lines
4.4 KiB
C++
116 lines
4.4 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2015 Blender Foundation. All rights reserved. */
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#include "node_shader_util.hh"
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#include "RE_texture.h"
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#include "UI_interface.h"
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#include "UI_resources.h"
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namespace blender::nodes::node_shader_tex_pointdensity_cc {
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static void node_declare(NodeDeclarationBuilder &b)
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{
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b.add_input<decl::Vector>(N_("Vector")).hide_value();
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b.add_output<decl::Color>(N_("Color"));
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b.add_output<decl::Float>(N_("Density"));
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}
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static void node_shader_buts_tex_pointdensity(uiLayout *layout,
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bContext *UNUSED(C),
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PointerRNA *ptr)
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{
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bNode *node = (bNode *)ptr->data;
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NodeShaderTexPointDensity *shader_point_density = (NodeShaderTexPointDensity *)node->storage;
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Object *ob = (Object *)node->id;
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PointerRNA ob_ptr, obdata_ptr;
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RNA_id_pointer_create((ID *)ob, &ob_ptr);
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RNA_id_pointer_create(ob ? (ID *)ob->data : nullptr, &obdata_ptr);
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uiItemR(layout, ptr, "point_source", UI_ITEM_R_EXPAND, nullptr, ICON_NONE);
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uiItemR(layout, ptr, "object", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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if (node->id && shader_point_density->point_source == SHD_POINTDENSITY_SOURCE_PSYS) {
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PointerRNA dataptr;
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RNA_id_pointer_create((ID *)node->id, &dataptr);
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uiItemPointerR(
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layout, ptr, "particle_system", &dataptr, "particle_systems", nullptr, ICON_NONE);
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}
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uiItemR(layout, ptr, "space", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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uiItemR(layout, ptr, "radius", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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uiItemR(layout, ptr, "interpolation", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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uiItemR(layout, ptr, "resolution", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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if (shader_point_density->point_source == SHD_POINTDENSITY_SOURCE_PSYS) {
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uiItemR(layout, ptr, "particle_color_source", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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}
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else {
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uiItemR(layout, ptr, "vertex_color_source", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
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if (shader_point_density->ob_color_source == SHD_POINTDENSITY_COLOR_VERTWEIGHT) {
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if (ob_ptr.data) {
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uiItemPointerR(
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layout, ptr, "vertex_attribute_name", &ob_ptr, "vertex_groups", "", ICON_NONE);
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}
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}
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if (shader_point_density->ob_color_source == SHD_POINTDENSITY_COLOR_VERTCOL) {
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if (obdata_ptr.data) {
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uiItemPointerR(
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layout, ptr, "vertex_attribute_name", &obdata_ptr, "vertex_colors", "", ICON_NONE);
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}
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}
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}
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}
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static void node_shader_init_tex_pointdensity(bNodeTree *UNUSED(ntree), bNode *node)
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{
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NodeShaderTexPointDensity *point_density = MEM_new<NodeShaderTexPointDensity>("new pd node");
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point_density->resolution = 100;
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point_density->radius = 0.3f;
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point_density->space = SHD_POINTDENSITY_SPACE_OBJECT;
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point_density->color_source = SHD_POINTDENSITY_COLOR_PARTAGE;
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node->storage = point_density;
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}
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static void node_shader_free_tex_pointdensity(bNode *node)
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{
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NodeShaderTexPointDensity *point_density = (NodeShaderTexPointDensity *)node->storage;
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PointDensity *pd = &point_density->pd;
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RE_point_density_free(pd);
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BKE_texture_pointdensity_free_data(pd);
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*pd = dna::shallow_zero_initialize();
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MEM_freeN(point_density);
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}
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static void node_shader_copy_tex_pointdensity(bNodeTree *UNUSED(dest_ntree),
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bNode *dest_node,
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const bNode *src_node)
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{
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dest_node->storage = MEM_dupallocN(src_node->storage);
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NodeShaderTexPointDensity *point_density = (NodeShaderTexPointDensity *)dest_node->storage;
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PointDensity *pd = &point_density->pd;
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*pd = dna::shallow_zero_initialize();
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}
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} // namespace blender::nodes::node_shader_tex_pointdensity_cc
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/* node type definition */
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void register_node_type_sh_tex_pointdensity()
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{
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namespace file_ns = blender::nodes::node_shader_tex_pointdensity_cc;
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static bNodeType ntype;
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sh_node_type_base(&ntype, SH_NODE_TEX_POINTDENSITY, "Point Density", NODE_CLASS_TEXTURE);
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ntype.declare = file_ns::node_declare;
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ntype.draw_buttons = file_ns::node_shader_buts_tex_pointdensity;
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node_type_init(&ntype, file_ns::node_shader_init_tex_pointdensity);
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node_type_storage(&ntype,
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"NodeShaderTexPointDensity",
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file_ns::node_shader_free_tex_pointdensity,
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file_ns::node_shader_copy_tex_pointdensity);
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nodeRegisterType(&ntype);
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}
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