diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/blenkernel/BKE_node.h | 2 | ||||
| -rw-r--r-- | source/blender/blenkernel/intern/node.c | 1 | ||||
| -rw-r--r-- | source/blender/editors/space_node/drawnode.c | 8 | ||||
| -rw-r--r-- | source/blender/makesdna/DNA_node_types.h | 5 | ||||
| -rw-r--r-- | source/blender/makesrna/intern/rna_nodetree.c | 22 | ||||
| -rw-r--r-- | source/blender/nodes/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | source/blender/nodes/NOD_shader.h | 1 | ||||
| -rw-r--r-- | source/blender/nodes/NOD_static_types.h | 1 | ||||
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_bsdf_hair_principled.c | 133 |
9 files changed, 174 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h index 8e54c6a87c4..23ef45416f7 100644 --- a/source/blender/blenkernel/BKE_node.h +++ b/source/blender/blenkernel/BKE_node.h @@ -794,6 +794,8 @@ struct ShadeResult; #define SH_NODE_DISPLACEMENT 198 #define SH_NODE_VECTOR_DISPLACEMENT 199 #define SH_NODE_VOLUME_PRINCIPLED 200 +/* 201..700 occupied by other node types, continue from 701 */ +#define SH_NODE_BSDF_HAIR_PRINCIPLED 701 /* custom defines options for Material node */ #define SH_NODE_MAT_DIFF 1 diff --git a/source/blender/blenkernel/intern/node.c b/source/blender/blenkernel/intern/node.c index f15d90100d2..c830917a547 100644 --- a/source/blender/blenkernel/intern/node.c +++ b/source/blender/blenkernel/intern/node.c @@ -3622,6 +3622,7 @@ static void registerShaderNodes(void) register_node_type_sh_bsdf_velvet(); register_node_type_sh_bsdf_toon(); register_node_type_sh_bsdf_hair(); + register_node_type_sh_bsdf_hair_principled(); register_node_type_sh_emission(); register_node_type_sh_holdout(); register_node_type_sh_volume_absorption(); diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c index 23df1b72c37..6e52af2898e 100644 --- a/source/blender/editors/space_node/drawnode.c +++ b/source/blender/editors/space_node/drawnode.c @@ -1111,6 +1111,11 @@ static void node_shader_buts_hair(uiLayout *layout, bContext *UNUSED(C), Pointer uiItemR(layout, ptr, "component", 0, "", ICON_NONE); } +static void node_shader_buts_principled_hair(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr) +{ + uiItemR(layout, ptr, "parametrization", 0, "", ICON_NONE); +} + static void node_shader_buts_ies(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr) { uiLayout *row; @@ -1301,6 +1306,9 @@ static void node_shader_set_butfunc(bNodeType *ntype) case SH_NODE_BSDF_HAIR: ntype->draw_buttons = node_shader_buts_hair; break; + case SH_NODE_BSDF_HAIR_PRINCIPLED: + ntype->draw_buttons = node_shader_buts_principled_hair; + break; case SH_NODE_SCRIPT: ntype->draw_buttons = node_shader_buts_script; ntype->draw_buttons_ex = node_shader_buts_script_ex; diff --git a/source/blender/makesdna/DNA_node_types.h b/source/blender/makesdna/DNA_node_types.h index 00758bd1379..5c692cf85da 100644 --- a/source/blender/makesdna/DNA_node_types.h +++ b/source/blender/makesdna/DNA_node_types.h @@ -963,6 +963,11 @@ typedef struct NodeCryptomatte { #define SHD_HAIR_REFLECTION 0 #define SHD_HAIR_TRANSMISSION 1 +/* principled hair parametrization */ +#define SHD_PRINCIPLED_HAIR_REFLECTANCE 0 +#define SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION 1 +#define SHD_PRINCIPLED_HAIR_DIRECT_ABSORPTION 2 + /* blend texture */ #define SHD_BLEND_LINEAR 0 #define SHD_BLEND_QUADRATIC 1 diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c index 52fbadd0f54..b41e9b1c4e5 100644 --- a/source/blender/makesrna/intern/rna_nodetree.c +++ b/source/blender/makesrna/intern/rna_nodetree.c @@ -3350,6 +3350,13 @@ static const EnumPropertyItem node_hair_items[] = { {0, NULL, 0, NULL, NULL} }; +static const EnumPropertyItem node_principled_hair_items[] = { + {SHD_PRINCIPLED_HAIR_DIRECT_ABSORPTION, "ABSORPTION", 0, "Absorption coefficient", "Directly set the absorption coefficient sigma_a. This is not the most intuitive way to color hair."}, + {SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION, "MELANIN", 0, "Melanin concentration", "Define the melanin concentrations below to get the most realistic-looking hair. You can get the concentrations for different types of hair online."}, + {SHD_PRINCIPLED_HAIR_REFLECTANCE, "COLOR", 0, "Direct coloring", "Choose the color of your preference, and the shader will approximate the absorption coefficient to render lookalike hair."}, + {0, NULL, 0, NULL, NULL} +}; + static const EnumPropertyItem node_script_mode_items[] = { {NODE_SCRIPT_INTERNAL, "INTERNAL", 0, "Internal", "Use internal text data-block"}, {NODE_SCRIPT_EXTERNAL, "EXTERNAL", 0, "External", "Use external .osl or .oso file"}, @@ -4409,6 +4416,21 @@ static void def_hair(StructRNA *srna) RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update"); } +/* RNA initialization for the custom property. */ +static void def_hair_principled(StructRNA *srna) +{ + PropertyRNA *prop; + + prop = RNA_def_property(srna, "parametrization", PROP_ENUM, PROP_NONE); + RNA_def_property_enum_sdna(prop, NULL, "custom1"); + RNA_def_property_ui_text(prop, "Color parametrization", "Select the shader's color parametrization"); + RNA_def_property_enum_items(prop, node_principled_hair_items); + RNA_def_property_enum_default(prop, SHD_PRINCIPLED_HAIR_REFLECTANCE); + /* Upon editing, update both the node data AND the UI representation */ + /* (This effectively shows/hides the relevant sockets) */ + RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update"); +} + static void def_sh_uvmap(StructRNA *srna) { PropertyRNA *prop; diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt index 5a5d5997878..7ef41b25de8 100644 --- a/source/blender/nodes/CMakeLists.txt +++ b/source/blender/nodes/CMakeLists.txt @@ -173,6 +173,7 @@ set(SRC shader/nodes/node_shader_bsdf_transparent.c shader/nodes/node_shader_bsdf_velvet.c shader/nodes/node_shader_bsdf_hair.c + shader/nodes/node_shader_bsdf_hair_principled.c shader/nodes/node_shader_bump.c shader/nodes/node_shader_emission.c shader/nodes/node_shader_fresnel.c diff --git a/source/blender/nodes/NOD_shader.h b/source/blender/nodes/NOD_shader.h index ca604363e35..d4134f09597 100644 --- a/source/blender/nodes/NOD_shader.h +++ b/source/blender/nodes/NOD_shader.h @@ -116,6 +116,7 @@ void register_node_type_sh_volume_absorption(void); void register_node_type_sh_volume_scatter(void); void register_node_type_sh_volume_principled(void); void register_node_type_sh_bsdf_hair(void); +void register_node_type_sh_bsdf_hair_principled(void); void register_node_type_sh_subsurface_scattering(void); void register_node_type_sh_mix_shader(void); void register_node_type_sh_add_shader(void); diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h index a4f8a798576..2fa8cda56a5 100644 --- a/source/blender/nodes/NOD_static_types.h +++ b/source/blender/nodes/NOD_static_types.h @@ -89,6 +89,7 @@ DefNode( ShaderNode, SH_NODE_BSDF_TRANSPARENT, 0, "BS DefNode( ShaderNode, SH_NODE_BSDF_VELVET, 0, "BSDF_VELVET", BsdfVelvet, "Velvet BSDF", "" ) DefNode( ShaderNode, SH_NODE_BSDF_TOON, def_toon, "BSDF_TOON", BsdfToon, "Toon BSDF", "" ) DefNode( ShaderNode, SH_NODE_BSDF_HAIR, def_hair, "BSDF_HAIR", BsdfHair, "Hair BSDF", "" ) +DefNode( ShaderNode, SH_NODE_BSDF_HAIR_PRINCIPLED, def_hair_principled, "BSDF_HAIR_PRINCIPLED", BsdfHairPrincipled, "Principled Hair BSDF", "") DefNode( ShaderNode, SH_NODE_SUBSURFACE_SCATTERING, def_sh_subsurface, "SUBSURFACE_SCATTERING",SubsurfaceScattering,"Subsurface Scattering","") DefNode( ShaderNode, SH_NODE_VOLUME_ABSORPTION, 0, "VOLUME_ABSORPTION", VolumeAbsorption, "Volume Absorption", "" ) DefNode( ShaderNode, SH_NODE_VOLUME_SCATTER, 0, "VOLUME_SCATTER", VolumeScatter, "Volume Scatter", "" ) diff --git a/source/blender/nodes/shader/nodes/node_shader_bsdf_hair_principled.c b/source/blender/nodes/shader/nodes/node_shader_bsdf_hair_principled.c new file mode 100644 index 00000000000..c5029852033 --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_bsdf_hair_principled.c @@ -0,0 +1,133 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2018 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Lukas Stockner, L. E. Segovia + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#include "../node_shader_util.h" + +/* **************** OUTPUT ******************** */ + +/* Color, melanin and absorption coefficient default to approximately same brownish hair. */ +static bNodeSocketTemplate sh_node_bsdf_hair_principled_in[] = { + { SOCK_RGBA, 1, N_("Color"), 0.017513f, 0.005763f, 0.002059f, 1.0f, 0.0f, 1.0f}, + { SOCK_FLOAT, 1, N_("Melanin"), 0.8f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, N_("Melanin Redness"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_RGBA, 1, N_("Tint"), 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f}, + { SOCK_VECTOR, 1, N_("Absorption Coefficient"), 0.245531f, 0.52f, 1.365f, 0.0f, 0.0f, 1000.0f}, + { SOCK_FLOAT, 1, N_("Roughness"), 0.3f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, N_("Radial Roughness"), 0.3f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, N_("Coat"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, N_("IOR"), 1.55f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f}, + { SOCK_FLOAT, 1, N_("Offset"), 2.f*((float)M_PI)/180.f, 0.0f, 0.0f, 0.0f, -M_PI_2, M_PI_2, PROP_ANGLE}, + { SOCK_FLOAT, 1, N_("Random Color"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, N_("Random Roughness"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_FLOAT, 1, N_("Random"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE}, + { -1, 0, "" }, +}; + +static bNodeSocketTemplate sh_node_bsdf_hair_principled_out[] = { + { SOCK_SHADER, 0, N_("BSDF")}, + { -1, 0, "" } +}; + +/* Initialize the custom Parametrization property to Color. */ +static void node_shader_init_hair_principled(bNodeTree *UNUSED(ntree), bNode *node) +{ + node->custom1 = SHD_PRINCIPLED_HAIR_REFLECTANCE; +} + +/* Triggers (in)visibility of some sockets when changing Parametrization. */ +static void node_shader_update_hair_principled(bNodeTree *UNUSED(ntree), bNode *node) +{ + bNodeSocket *sock; + int parametrization = node->custom1; + + for (sock = node->inputs.first; sock; sock = sock->next) { + if (STREQ(sock->name, "Color")) { + if (parametrization == SHD_PRINCIPLED_HAIR_REFLECTANCE) { + sock->flag &= ~SOCK_UNAVAIL; + } + else { + sock->flag |= SOCK_UNAVAIL; + } + } + else if (STREQ(sock->name, "Melanin")) { + if (parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION) { + sock->flag &= ~SOCK_UNAVAIL; + } + else { + sock->flag |= SOCK_UNAVAIL; + } + } + else if (STREQ(sock->name, "Melanin Redness")) { + if (parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION) { + sock->flag &= ~SOCK_UNAVAIL; + } + else { + sock->flag |= SOCK_UNAVAIL; + } + } + else if (STREQ(sock->name, "Tint")) { + if (parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION) { + sock->flag &= ~SOCK_UNAVAIL; + } + else { + sock->flag |= SOCK_UNAVAIL; + } + } + else if (STREQ(sock->name, "Absorption Coefficient")) { + if (parametrization == SHD_PRINCIPLED_HAIR_DIRECT_ABSORPTION) { + sock->flag &= ~SOCK_UNAVAIL; + } + else { + sock->flag |= SOCK_UNAVAIL; + } + } + else if (STREQ(sock->name, "Random Color")) { + if (parametrization == SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION) { + sock->flag &= ~SOCK_UNAVAIL; + } + else { + sock->flag |= SOCK_UNAVAIL; + } + } + } +} + +/* node type definition */ +void register_node_type_sh_bsdf_hair_principled(void) +{ + static bNodeType ntype; + + sh_node_type_base(&ntype, SH_NODE_BSDF_HAIR_PRINCIPLED, "Principled Hair BSDF", NODE_CLASS_SHADER, 0); + node_type_compatibility(&ntype, NODE_NEW_SHADING); + node_type_socket_templates(&ntype, sh_node_bsdf_hair_principled_in, sh_node_bsdf_hair_principled_out); + node_type_size_preset(&ntype, NODE_SIZE_LARGE); + node_type_init(&ntype, node_shader_init_hair_principled); + node_type_storage(&ntype, "", NULL, NULL); + node_type_update(&ntype, node_shader_update_hair_principled, NULL); + + nodeRegisterType(&ntype); +} |