Blender  V3.3
node_shader_bsdf_hair_principled.cc
Go to the documentation of this file.
1 /* SPDX-License-Identifier: GPL-2.0-or-later
2  * Copyright 2018 Blender Foundation. All rights reserved. */
3 
4 #include "node_shader_util.hh"
5 
6 #include "UI_interface.h"
7 #include "UI_resources.h"
8 
10 
11 /* Color, melanin and absorption coefficient default to approximately same brownish hair. */
13 {
14  b.add_input<decl::Color>(N_("Color")).default_value({0.017513f, 0.005763f, 0.002059f, 1.0f});
15  b.add_input<decl::Float>(N_("Melanin"))
16  .default_value(0.8f)
17  .min(0.0f)
18  .max(1.0f)
19  .subtype(PROP_FACTOR);
20  b.add_input<decl::Float>(N_("Melanin Redness"))
21  .default_value(1.0f)
22  .min(0.0f)
23  .max(1.0f)
24  .subtype(PROP_FACTOR);
25  b.add_input<decl::Color>(N_("Tint")).default_value({1.0f, 1.0f, 1.0f, 1.0f});
26  b.add_input<decl::Vector>(N_("Absorption Coefficient"))
27  .default_value({0.245531f, 0.52f, 1.365f})
28  .min(0.0f)
29  .max(1000.0f);
30  b.add_input<decl::Float>(N_("Roughness"))
31  .default_value(0.3f)
32  .min(0.0f)
33  .max(1.0f)
34  .subtype(PROP_FACTOR);
35  b.add_input<decl::Float>(N_("Radial Roughness"))
36  .default_value(0.3f)
37  .min(0.0f)
38  .max(1.0f)
39  .subtype(PROP_FACTOR);
40  b.add_input<decl::Float>(N_("Coat"))
41  .default_value(0.0f)
42  .min(0.0f)
43  .max(1.0f)
44  .subtype(PROP_FACTOR);
45  b.add_input<decl::Float>(N_("IOR")).default_value(1.55f).min(0.0f).max(1000.0f);
46  b.add_input<decl::Float>(N_("Offset"))
47  .default_value(2.0f * ((float)M_PI) / 180.0f)
48  .min(-M_PI_2)
49  .max(M_PI_2)
50  .subtype(PROP_ANGLE);
51  b.add_input<decl::Float>(N_("Random Color"))
52  .default_value(0.0f)
53  .min(0.0f)
54  .max(1.0f)
55  .subtype(PROP_FACTOR);
56  b.add_input<decl::Float>(N_("Random Roughness"))
57  .default_value(0.0f)
58  .min(0.0f)
59  .max(1.0f)
60  .subtype(PROP_FACTOR);
61  b.add_input<decl::Float>(N_("Random")).hide_value();
62  b.add_input<decl::Float>(N_("Weight")).unavailable();
63  b.add_output<decl::Shader>(N_("BSDF"));
64 }
65 
67  bContext *UNUSED(C),
68  PointerRNA *ptr)
69 {
70  uiItemR(layout, ptr, "parametrization", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);
71 }
72 
73 /* Initialize the custom Parametrization property to Color. */
75 {
77 }
78 
79 /* Triggers (in)visibility of some sockets when changing Parametrization. */
81 {
82  int parametrization = node->custom1;
83 
84  LISTBASE_FOREACH (bNodeSocket *, sock, &node->inputs) {
85  if (STREQ(sock->name, "Color")) {
87  }
88  else if (STREQ(sock->name, "Melanin")) {
90  ntree, sock, parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION);
91  }
92  else if (STREQ(sock->name, "Melanin Redness")) {
94  ntree, sock, parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION);
95  }
96  else if (STREQ(sock->name, "Tint")) {
98  ntree, sock, parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION);
99  }
100  else if (STREQ(sock->name, "Absorption Coefficient")) {
102  ntree, sock, parametrization == SHD_PRINCIPLED_HAIR_DIRECT_ABSORPTION);
103  }
104  else if (STREQ(sock->name, "Random Color")) {
106  ntree, sock, parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION);
107  }
108  }
109 }
110 
112  bNode *node,
113  bNodeExecData *UNUSED(execdata),
114  GPUNodeStack *in,
115  GPUNodeStack *out)
116 {
117  return GPU_stack_link(mat, node, "node_bsdf_hair_principled", in, out);
118 }
119 
120 } // namespace blender::nodes::node_shader_bsdf_hair_principled_cc
121 
122 /* node type definition */
124 {
126 
127  static bNodeType ntype;
128 
130  &ntype, SH_NODE_BSDF_HAIR_PRINCIPLED, "Principled Hair BSDF", NODE_CLASS_SHADER);
137 
138  nodeRegisterType(&ntype);
139 }
void node_type_gpu(struct bNodeType *ntype, NodeGPUExecFunction gpu_fn)
Definition: node.cc:4465
void node_type_update(struct bNodeType *ntype, void(*updatefunc)(struct bNodeTree *ntree, struct bNode *node))
Definition: node.cc:4443
void nodeSetSocketAvailability(struct bNodeTree *ntree, struct bNodeSocket *sock, bool is_available)
Definition: node.cc:3664
void node_type_init(struct bNodeType *ntype, void(*initfunc)(struct bNodeTree *ntree, struct bNode *node))
Definition: node.cc:4390
void node_type_size_preset(struct bNodeType *ntype, eNodeSizePreset size)
Definition: node.cc:4408
#define SH_NODE_BSDF_HAIR_PRINCIPLED
Definition: BKE_node.h:1172
#define NODE_CLASS_SHADER
Definition: BKE_node.h:358
void nodeRegisterType(struct bNodeType *ntype)
Definition: node.cc:1357
@ NODE_SIZE_LARGE
Definition: BKE_node.h:367
#define LISTBASE_FOREACH(type, var, list)
Definition: BLI_listbase.h:336
#define M_PI_2
Definition: BLI_math_base.h:23
#define M_PI
Definition: BLI_math_base.h:20
#define UNUSED(x)
#define STREQ(a, b)
#define SHD_PRINCIPLED_HAIR_DIRECT_ABSORPTION
#define SHD_PRINCIPLED_HAIR_REFLECTANCE
#define SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION
bool GPU_stack_link(GPUMaterial *mat, struct bNode *node, const char *name, GPUNodeStack *in, GPUNodeStack *out,...)
@ PROP_ANGLE
Definition: RNA_types.h:145
@ PROP_FACTOR
Definition: RNA_types.h:144
@ UI_ITEM_R_SPLIT_EMPTY_NAME
void uiItemR(uiLayout *layout, struct PointerRNA *ptr, const char *propname, int flag, const char *name, int icon)
OperationNode * node
bNodeTree * ntree
static int node_shader_gpu_hair_principled(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
static void node_shader_update_hair_principled(bNodeTree *ntree, bNode *node)
static void node_shader_buts_principled_hair(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
static void node_shader_init_hair_principled(bNodeTree *UNUSED(ntree), bNode *node)
static const pxr::TfToken out("out", pxr::TfToken::Immortal)
static const pxr::TfToken b("b", pxr::TfToken::Immortal)
void register_node_type_sh_bsdf_hair_principled()
void sh_node_type_base(struct bNodeType *ntype, int type, const char *name, short nclass)
#define min(a, b)
Definition: sort.c:35
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
#define N_(msgid)
PointerRNA * ptr
Definition: wm_files.c:3480