Files
test/scripts/startup/bl_ui/node_add_menu_shader.py
Alaska 6ccb33e9fe Shader: Add Metallic BSDF Node
Add Metallic BSDF Node to the shader editor.

This node can primarily be used to create more realistic looking
metallic materials than the existing Glossy BSDF node.

This commit does not add any new closures to Cycles, it simply exposes
existing closures that were previous hard to access on their own.

- Exposes the F82 fresnel type that is currently used by the
metallic component of the Principled BSDF. Results should match
between the Metallic BSDF and Principled BSDF when using the same
settings.
- Exposes the Physical Conductor fresnel type that was previously
limited to custom OSL scripts. The Conductor fresnel type accepts
IOR and Extinction coefficients to define the appearance of the
material based off real life measurements.

EEVEE only supports the F82 fresnel type with internal code to convert
the the physical conductor inputs in to a colour format for F82,
which can lead to noticeable rendering differences with
some configurations.

Pull Request: https://projects.blender.org/blender/blender/pulls/114958
2024-08-27 17:20:46 +02:00

401 lines
14 KiB
Python

# SPDX-FileCopyrightText: 2022-2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Menu
from bl_ui import node_add_menu
from bpy.app.translations import (
pgettext_iface as iface_,
contexts as i18n_contexts,
)
# only show input/output nodes when editing line style node trees
def line_style_shader_nodes_poll(context):
snode = context.space_data
return (snode.tree_type == 'ShaderNodeTree' and
snode.shader_type == 'LINESTYLE')
# only show nodes working in world node trees
def world_shader_nodes_poll(context):
snode = context.space_data
return (snode.tree_type == 'ShaderNodeTree' and
snode.shader_type == 'WORLD')
# only show nodes working in object node trees
def object_shader_nodes_poll(context):
snode = context.space_data
return (snode.tree_type == 'ShaderNodeTree' and
snode.shader_type == 'OBJECT')
def cycles_shader_nodes_poll(context):
return context.engine == 'CYCLES'
def eevee_shader_nodes_poll(context):
return context.engine in {'BLENDER_EEVEE', 'BLENDER_EEVEE_NEXT'}
def object_cycles_shader_nodes_poll(context):
return (object_shader_nodes_poll(context) and
cycles_shader_nodes_poll(context))
def object_not_eevee_shader_nodes_poll(context):
return (object_shader_nodes_poll(context) and
not eevee_shader_nodes_poll(context))
def object_eevee_shader_nodes_poll(context):
return (object_shader_nodes_poll(context) and
eevee_shader_nodes_poll(context))
class NODE_MT_category_shader_input(Menu):
bl_idname = "NODE_MT_category_shader_input"
bl_label = "Input"
def draw(self, context):
layout = self.layout
node_add_menu.add_node_type(layout, "ShaderNodeAmbientOcclusion")
node_add_menu.add_node_type(layout, "ShaderNodeAttribute")
node_add_menu.add_node_type(layout, "ShaderNodeBevel")
node_add_menu.add_node_type(layout, "ShaderNodeCameraData")
node_add_menu.add_node_type(layout, "ShaderNodeVertexColor")
node_add_menu.add_node_type(layout, "ShaderNodeHairInfo")
node_add_menu.add_node_type(layout, "ShaderNodeFresnel")
node_add_menu.add_node_type(layout, "ShaderNodeNewGeometry")
node_add_menu.add_node_type(layout, "ShaderNodeLayerWeight")
node_add_menu.add_node_type(layout, "ShaderNodeLightPath")
node_add_menu.add_node_type(layout, "ShaderNodeObjectInfo")
node_add_menu.add_node_type(layout, "ShaderNodeParticleInfo")
node_add_menu.add_node_type(layout, "ShaderNodePointInfo")
node_add_menu.add_node_type(layout, "ShaderNodeRGB")
node_add_menu.add_node_type(layout, "ShaderNodeTangent")
node_add_menu.add_node_type(layout, "ShaderNodeTexCoord")
node_add_menu.add_node_type(layout, "ShaderNodeUVAlongStroke", poll=line_style_shader_nodes_poll(context))
node_add_menu.add_node_type(layout, "ShaderNodeUVMap")
node_add_menu.add_node_type(layout, "ShaderNodeValue")
node_add_menu.add_node_type(layout, "ShaderNodeVolumeInfo")
node_add_menu.add_node_type(layout, "ShaderNodeWireframe")
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_output(Menu):
bl_idname = "NODE_MT_category_shader_output"
bl_label = "Output"
def draw(self, context):
layout = self.layout
node_add_menu.add_node_type(
layout,
"ShaderNodeOutputMaterial",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeOutputLight",
poll=object_not_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeOutputAOV",
)
node_add_menu.add_node_type(
layout,
"ShaderNodeOutputWorld",
poll=world_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeOutputLineStyle",
poll=line_style_shader_nodes_poll(context),
)
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_shader(Menu):
bl_idname = "NODE_MT_category_shader_shader"
bl_label = "Shader"
def draw(self, context):
layout = self.layout
node_add_menu.add_node_type(
layout,
"ShaderNodeAddShader",
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBackground",
poll=world_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfMetallic",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfDiffuse",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeEmission",
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfGlass",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfGlossy",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfHair",
poll=object_not_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeHoldout",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeMixShader",
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfPrincipled",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfHairPrincipled",
poll=object_not_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeVolumePrincipled"
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfRayPortal",
poll=object_not_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfRefraction",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfSheen",
poll=object_not_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeEeveeSpecular",
poll=object_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeSubsurfaceScattering",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfToon",
poll=object_not_eevee_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfTranslucent",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeBsdfTransparent",
poll=object_shader_nodes_poll(context),
)
node_add_menu.add_node_type(
layout,
"ShaderNodeVolumeAbsorption",
)
node_add_menu.add_node_type(
layout,
"ShaderNodeVolumeScatter",
)
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_color(Menu):
bl_idname = "NODE_MT_category_shader_color"
bl_label = "Color"
def draw(self, _context):
layout = self.layout
node_add_menu.add_node_type(layout, "ShaderNodeBrightContrast")
node_add_menu.add_node_type(layout, "ShaderNodeGamma")
node_add_menu.add_node_type(layout, "ShaderNodeHueSaturation")
node_add_menu.add_node_type(layout, "ShaderNodeInvert")
node_add_menu.add_node_type(layout, "ShaderNodeLightFalloff")
props = node_add_menu.add_node_type(layout, "ShaderNodeMix", label=iface_("Mix Color"))
ops = props.settings.add()
ops.name = "data_type"
ops.value = "'RGBA'"
node_add_menu.add_node_type(layout, "ShaderNodeRGBCurve")
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_converter(Menu):
bl_idname = "NODE_MT_category_shader_converter"
bl_label = "Converter"
def draw(self, context):
layout = self.layout
node_add_menu.add_node_type(layout, "ShaderNodeBlackbody")
node_add_menu.add_node_type(layout, "ShaderNodeClamp")
node_add_menu.add_node_type(layout, "ShaderNodeValToRGB")
node_add_menu.add_node_type(layout, "ShaderNodeCombineColor")
node_add_menu.add_node_type(layout, "ShaderNodeCombineXYZ")
node_add_menu.add_node_type(layout, "ShaderNodeFloatCurve")
node_add_menu.add_node_type(layout, "ShaderNodeMapRange")
node_add_menu.add_node_type(layout, "ShaderNodeMath")
node_add_menu.add_node_type(layout, "ShaderNodeMix")
node_add_menu.add_node_type(layout, "ShaderNodeRGBToBW")
node_add_menu.add_node_type(layout, "ShaderNodeSeparateColor")
node_add_menu.add_node_type(layout, "ShaderNodeSeparateXYZ")
node_add_menu.add_node_type(layout, "ShaderNodeShaderToRGB", poll=object_eevee_shader_nodes_poll(context))
node_add_menu.add_node_type(layout, "ShaderNodeVectorMath")
node_add_menu.add_node_type(layout, "ShaderNodeWavelength")
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_texture(Menu):
bl_idname = "NODE_MT_category_shader_texture"
bl_label = "Texture"
def draw(self, _context):
layout = self.layout
node_add_menu.add_node_type(layout, "ShaderNodeTexBrick")
node_add_menu.add_node_type(layout, "ShaderNodeTexChecker")
node_add_menu.add_node_type(layout, "ShaderNodeTexEnvironment")
node_add_menu.add_node_type(layout, "ShaderNodeTexGabor")
node_add_menu.add_node_type(layout, "ShaderNodeTexGradient")
node_add_menu.add_node_type(layout, "ShaderNodeTexIES")
node_add_menu.add_node_type(layout, "ShaderNodeTexImage")
node_add_menu.add_node_type(layout, "ShaderNodeTexMagic")
node_add_menu.add_node_type(layout, "ShaderNodeTexNoise")
node_add_menu.add_node_type(layout, "ShaderNodeTexPointDensity")
node_add_menu.add_node_type(layout, "ShaderNodeTexSky")
node_add_menu.add_node_type(layout, "ShaderNodeTexVoronoi")
node_add_menu.add_node_type(layout, "ShaderNodeTexWave")
node_add_menu.add_node_type(layout, "ShaderNodeTexWhiteNoise")
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_vector(Menu):
bl_idname = "NODE_MT_category_shader_vector"
bl_label = "Vector"
def draw(self, _context):
layout = self.layout
node_add_menu.add_node_type(layout, "ShaderNodeBump")
node_add_menu.add_node_type(layout, "ShaderNodeDisplacement")
node_add_menu.add_node_type(layout, "ShaderNodeMapping")
node_add_menu.add_node_type(layout, "ShaderNodeNormal")
node_add_menu.add_node_type(layout, "ShaderNodeNormalMap")
node_add_menu.add_node_type(layout, "ShaderNodeVectorCurve")
node_add_menu.add_node_type(layout, "ShaderNodeVectorDisplacement")
node_add_menu.add_node_type(layout, "ShaderNodeVectorRotate")
node_add_menu.add_node_type(layout, "ShaderNodeVectorTransform")
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_script(Menu):
bl_idname = "NODE_MT_category_shader_script"
bl_label = "Script"
def draw(self, _context):
layout = self.layout
node_add_menu.add_node_type(layout, "ShaderNodeScript")
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_category_shader_group(Menu):
bl_idname = "NODE_MT_category_shader_group"
bl_label = "Group"
def draw(self, context):
layout = self.layout
node_add_menu.draw_node_group_add_menu(context, layout)
node_add_menu.draw_assets_for_catalog(layout, self.bl_label)
class NODE_MT_shader_node_add_all(Menu):
bl_idname = "NODE_MT_shader_node_add_all"
bl_label = "Add"
bl_translation_context = i18n_contexts.operator_default
def draw(self, _context):
layout = self.layout
layout.menu("NODE_MT_category_shader_input")
layout.menu("NODE_MT_category_shader_output")
layout.separator()
layout.menu("NODE_MT_category_shader_color")
layout.menu("NODE_MT_category_shader_converter")
layout.menu("NODE_MT_category_shader_shader")
layout.menu("NODE_MT_category_shader_texture")
layout.menu("NODE_MT_category_shader_vector")
layout.separator()
layout.menu("NODE_MT_category_shader_script")
layout.separator()
layout.menu("NODE_MT_category_shader_group")
layout.menu("NODE_MT_category_layout")
node_add_menu.draw_root_assets(layout)
classes = (
NODE_MT_shader_node_add_all,
NODE_MT_category_shader_input,
NODE_MT_category_shader_output,
NODE_MT_category_shader_color,
NODE_MT_category_shader_converter,
NODE_MT_category_shader_shader,
NODE_MT_category_shader_texture,
NODE_MT_category_shader_vector,
NODE_MT_category_shader_script,
NODE_MT_category_shader_group,
)
if __name__ == "__main__": # only for live edit.
from bpy.utils import register_class
for cls in classes:
register_class(cls)