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