Blender  V3.3
node_shader_tex_pointdensity.cc
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1 /* SPDX-License-Identifier: GPL-2.0-or-later
2  * Copyright 2015 Blender Foundation. All rights reserved. */
3 
4 #include "node_shader_util.hh"
5 
6 #include "RE_texture.h"
7 
8 #include "UI_interface.h"
9 #include "UI_resources.h"
10 
12 
14 {
15  b.add_input<decl::Vector>(N_("Vector")).hide_value();
16  b.add_output<decl::Color>(N_("Color"));
17  b.add_output<decl::Float>(N_("Density"));
18 }
19 
21  bContext *UNUSED(C),
22  PointerRNA *ptr)
23 {
24  bNode *node = (bNode *)ptr->data;
25  NodeShaderTexPointDensity *shader_point_density = (NodeShaderTexPointDensity *)node->storage;
26  Object *ob = (Object *)node->id;
27 
28  PointerRNA ob_ptr, obdata_ptr;
29  RNA_id_pointer_create((ID *)ob, &ob_ptr);
30  RNA_id_pointer_create(ob ? (ID *)ob->data : nullptr, &obdata_ptr);
31 
32  uiItemR(layout, ptr, "point_source", UI_ITEM_R_EXPAND, nullptr, ICON_NONE);
33  uiItemR(layout, ptr, "object", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
34 
35  if (node->id && shader_point_density->point_source == SHD_POINTDENSITY_SOURCE_PSYS) {
36  PointerRNA dataptr;
37  RNA_id_pointer_create((ID *)node->id, &dataptr);
39  layout, ptr, "particle_system", &dataptr, "particle_systems", nullptr, ICON_NONE);
40  }
41 
42  uiItemR(layout, ptr, "space", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
43  uiItemR(layout, ptr, "radius", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
44  uiItemR(layout, ptr, "interpolation", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
45  uiItemR(layout, ptr, "resolution", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
46  if (shader_point_density->point_source == SHD_POINTDENSITY_SOURCE_PSYS) {
47  uiItemR(layout, ptr, "particle_color_source", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
48  }
49  else {
50  uiItemR(layout, ptr, "vertex_color_source", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
51  if (shader_point_density->ob_color_source == SHD_POINTDENSITY_COLOR_VERTWEIGHT) {
52  if (ob_ptr.data) {
54  layout, ptr, "vertex_attribute_name", &ob_ptr, "vertex_groups", "", ICON_NONE);
55  }
56  }
57  if (shader_point_density->ob_color_source == SHD_POINTDENSITY_COLOR_VERTCOL) {
58  if (obdata_ptr.data) {
60  layout, ptr, "vertex_attribute_name", &obdata_ptr, "vertex_colors", "", ICON_NONE);
61  }
62  }
63  }
64 }
65 
67 {
68  NodeShaderTexPointDensity *point_density = MEM_new<NodeShaderTexPointDensity>("new pd node");
69  point_density->resolution = 100;
70  point_density->radius = 0.3f;
71  point_density->space = SHD_POINTDENSITY_SPACE_OBJECT;
73  node->storage = point_density;
74 }
75 
77 {
78  NodeShaderTexPointDensity *point_density = (NodeShaderTexPointDensity *)node->storage;
79  PointDensity *pd = &point_density->pd;
82  *pd = dna::shallow_zero_initialize();
83  MEM_freeN(point_density);
84 }
85 
87  bNode *dest_node,
88  const bNode *src_node)
89 {
90  dest_node->storage = MEM_dupallocN(src_node->storage);
91  NodeShaderTexPointDensity *point_density = (NodeShaderTexPointDensity *)dest_node->storage;
92  PointDensity *pd = &point_density->pd;
93  *pd = dna::shallow_zero_initialize();
94 }
95 
96 } // namespace blender::nodes::node_shader_tex_pointdensity_cc
97 
98 /* node type definition */
100 {
102 
103  static bNodeType ntype;
104 
109  node_type_storage(&ntype,
110  "NodeShaderTexPointDensity",
113 
114  nodeRegisterType(&ntype);
115 }
void node_type_init(struct bNodeType *ntype, void(*initfunc)(struct bNodeTree *ntree, struct bNode *node))
Definition: node.cc:4390
void node_type_storage(struct bNodeType *ntype, const char *storagename, void(*freefunc)(struct bNode *node), void(*copyfunc)(struct bNodeTree *dest_ntree, struct bNode *dest_node, const struct bNode *src_node))
Definition: node.cc:4426
#define SH_NODE_TEX_POINTDENSITY
Definition: BKE_node.h:1163
#define NODE_CLASS_TEXTURE
Definition: BKE_node.h:355
void nodeRegisterType(struct bNodeType *ntype)
Definition: node.cc:1357
void BKE_texture_pointdensity_free_data(struct PointDensity *pd)
Definition: texture.c:640
#define UNUSED(x)
@ SHD_POINTDENSITY_SOURCE_PSYS
@ SHD_POINTDENSITY_SPACE_OBJECT
@ SHD_POINTDENSITY_COLOR_VERTWEIGHT
@ SHD_POINTDENSITY_COLOR_VERTCOL
@ SHD_POINTDENSITY_COLOR_PARTAGE
@ UI_ITEM_R_SPLIT_EMPTY_NAME
@ UI_ITEM_R_EXPAND
void uiItemR(uiLayout *layout, struct PointerRNA *ptr, const char *propname, int flag, const char *name, int icon)
void uiItemPointerR(uiLayout *layout, struct PointerRNA *ptr, const char *propname, struct PointerRNA *searchptr, const char *searchpropname, const char *name, int icon)
OperationNode * node
bNodeTree * ntree
void(* MEM_freeN)(void *vmemh)
Definition: mallocn.c:27
void *(* MEM_dupallocN)(const void *vmemh)
Definition: mallocn.c:28
static void node_shader_init_tex_pointdensity(bNodeTree *UNUSED(ntree), bNode *node)
static void node_shader_buts_tex_pointdensity(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
static void node_shader_copy_tex_pointdensity(bNodeTree *UNUSED(dest_ntree), bNode *dest_node, const bNode *src_node)
static const pxr::TfToken b("b", pxr::TfToken::Immortal)
void register_node_type_sh_tex_pointdensity()
void sh_node_type_base(struct bNodeType *ntype, int type, const char *name, short nclass)
void RNA_id_pointer_create(ID *id, PointerRNA *r_ptr)
Definition: rna_access.c:112
Definition: DNA_ID.h:368
void * data
void * data
Definition: RNA_types.h:38
Defines a node type.
Definition: BKE_node.h:226
void(* draw_buttons)(struct uiLayout *, struct bContext *C, struct PointerRNA *ptr)
Definition: BKE_node.h:244
NodeDeclareFunction declare
Definition: BKE_node.h:324
void * storage
void RE_point_density_free(struct PointDensity *pd)
#define N_(msgid)
PointerRNA * ptr
Definition: wm_files.c:3480