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normal_map_to_group.py
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# ##### 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.
#
# ##### END GPL LICENSE BLOCK #####
bl_info = {
"name": "Normal Map nodes to Custom",
"author": "Spooky spooky Ghostman, Kamikaze, crute",
"description": "Replace Normal Nodes for better EEVEE Viewport-Performance",
"blender": (2, 80, 0),
"version": (0, 1, 0),
"location": "Tools Panel (T) in Shader Editor",
"warning": "",
"category": "Material",
}
from mathutils import Color, Vector
import bpy
class MAT_OT_custom_normal(bpy.types.Operator):
bl_description = "Switch normal map nodes to a faster custom node"
bl_idname = 'node.normal_map_group'
bl_label = "Normal Map nodes to Custom"
bl_options = {'UNDO'}
@classmethod
def poll(self, context):
return (bpy.data.materials or bpy.data.node_groups)
def execute(self, context):
def mirror(new, old):
"""Copy attributes of the old node to the new node"""
new.parent = old.parent
new.label = old.label
new.mute = old.mute
new.hide = old.hide
new.select = old.select
new.location = old.location
# inputs
for (name, point) in old.inputs.items():
input = new.inputs.get(name)
if input:
input.default_value = point.default_value
for link in point.links:
new.id_data.links.new(link.from_socket, input)
# outputs
for (name, point) in old.outputs.items():
output = new.outputs.get(name)
if output:
output.default_value = point.default_value
for link in point.links:
new.id_data.links.new(output, link.to_socket)
def get_custom():
name = 'Normal Map Optimized'
group = bpy.data.node_groups.get(name)
if not group and self.custom:
group = default_custom_nodes()
return group
def set_custom(nodes):
group = get_custom()
if not group:
return
for node in nodes:
new = None
if self.custom:
if isinstance(node, bpy.types.ShaderNodeNormalMap):
new = nodes.new(type='ShaderNodeGroup')
new.node_tree = group
else:
if isinstance(node, bpy.types.ShaderNodeGroup):
if node.node_tree == group:
new = nodes.new(type='ShaderNodeNormalMap')
if new:
name = node.name
mirror(new, node)
nodes.remove(node)
new.name = name
for mat in bpy.data.materials:
set_custom(getattr(mat.node_tree, 'nodes', []))
for group in bpy.data.node_groups:
set_custom(group.nodes)
if (not self.custom) and get_custom():
bpy.data.node_groups.remove(get_custom())
return {'FINISHED'}
custom: bpy.props.BoolProperty(
name="To Custom",
description="Set all normals to custom group, or revert back to normal",
default=True,
)
class MUT_PT_normal_map_nodes(bpy.types.Panel):
bl_category = ""
bl_label = ""
bl_options = {'HIDE_HEADER'}
bl_region_type = 'TOOLS'
bl_space_type = 'NODE_EDITOR'
@classmethod
def poll(self, context):
return True
def draw(self, context):
layout = self.layout
col = layout.column(align=True)
tog = MAT_OT_custom_normal.bl_idname
col.operator(tog, text="Custom").custom = True
col.operator(tog, text="Normal").custom = False
def default_custom_nodes():
use_new_nodes = bpy.app.version >= (2, 81) and bpy.app.version < (3, 2, 0)
group = bpy.data.node_groups.new('Normal Map Optimized', 'ShaderNodeTree')
nodes = group.nodes
links = group.links
# Input
input = group.inputs.new('NodeSocketFloat', 'Strength')
input.default_value = 1.0
input.min_value = 0.0
input.max_value = 1.0
input = group.inputs.new('NodeSocketColor', 'Color')
input.default_value = ((0.5, 0.5, 1.0, 1.0))
# Output
group.outputs.new('NodeSocketVector', 'Normal')
# Add Nodes
frame = nodes.new('NodeFrame')
frame.name = 'Matrix * Normal Map'
frame.label = 'Matrix * Normal Map'
frame.location = Vector((540.0, -80.0))
frame.hide = False
frame.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node = nodes.new('ShaderNodeVectorMath')
node.name = 'Vector Math'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-60.0, 20.0))
node.operation = 'DOT_PRODUCT'
node.inputs[0].default_value = (0.5, 0.5, 0.5) # Vector
node.inputs[1].default_value = (0.5, 0.5, 0.5) # Vector
if use_new_nodes:
node.inputs[2].default_value = (1.0, 1.0, 1.0) # Scale
node = nodes.new('ShaderNodeVectorMath')
node.name = 'Vector Math.001'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-60.0, -20.0))
node.operation = 'DOT_PRODUCT'
node.inputs[0].default_value = (0.5, 0.5, 0.5) # Vector
node.inputs[1].default_value = (0.5, 0.5, 0.5) # Vector
if use_new_nodes:
node.inputs[2].default_value = (1.0, 1.0, 1.0) # Scale
node = nodes.new('ShaderNodeVectorMath')
node.name = 'Vector Math.002'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-60.0, -60.0))
node.inputs[0].default_value = (0.5, 0.5, 0.5) # Vector
node.inputs[1].default_value = (0.5, 0.5, 0.5) # Vector
if use_new_nodes:
node.inputs[2].default_value = (1.0, 1.0, 1.0) # Scale
node.operation = 'DOT_PRODUCT'
node = nodes.new('ShaderNodeCombineXYZ')
node.name = 'Combine XYZ'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((100.0, -20.0))
node.inputs[0].default_value = 0.0 # X
node.inputs[1].default_value = 0.0 # Y
node.inputs[2].default_value = 0.0 # Z
frame = nodes.new('NodeFrame')
frame.name = 'Generate TBN from Bump Node'
frame.label = 'Generate TBN from Bump Node'
frame.location = Vector((-192.01412963867188, -77.50459289550781))
frame.hide = False
frame.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node = nodes.new('ShaderNodeUVMap')
node.name = 'UV Map'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-247.98587036132812, -2.4954071044921875))
node = nodes.new('ShaderNodeSeparateXYZ')
node.name = 'UV Gradients'
node.label = 'UV Gradients'
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-87.98587036132812, -2.4954071044921875))
node.inputs[0].default_value = (0.0, 0.0, 0.0) # Vector
# node.outputs.remove((node.outputs['Z']))
node = nodes.new('ShaderNodeNewGeometry')
node.name = 'Normal'
node.label = 'Normal'
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((72.01412963867188, -62.49540710449219))
# for out in node.outputs:
# if out.name not in ['Normal']:
# node.outputs.remove(out)
node = nodes.new('ShaderNodeBump')
node.name = 'Bi-Tangent'
node.label = 'Bi-Tangent'
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((72.01412963867188, -22.495407104492188))
node.invert = True
node.inputs[0].default_value = 1.0 # Strength
node.inputs[1].default_value = 1000.0 # Distance
node.inputs[2].default_value = 1.0 # Height
if use_new_nodes:
node.inputs[3].default_value = 1.0 # Height_dx
node.inputs[4].default_value = 1.0 # Height_dy
node.inputs[5].default_value = (0.0, 0.0, 0.0) # Normal
else:
node.inputs[3].default_value = (0.0, 0.0, 0.0) # Normal
# for inp in node.inputs:
# if inp.name not in ['Height']:
# node.inputs.remove(inp)
node = nodes.new('ShaderNodeBump')
node.name = 'Tangent'
node.label = 'Tangent'
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((72.01412963867188, 17.504592895507812))
node.invert = True
# for inp in node.inputs:
# if inp.name not in ['Height']:
# node.inputs.remove(inp)
frame = nodes.new('NodeFrame')
frame.name = 'Node'
frame.label = 'Normal Map Processing'
frame.location = Vector((180.0, -260.0))
frame.hide = False
frame.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node = nodes.new('NodeGroupInput')
node.name = 'Group Input'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-400.0, 20.0))
node = nodes.new('ShaderNodeMixRGB')
node.name = 'Influence'
node.label = ''
node.parent = frame
node.hide = True
node.location = Vector((-240.0, 20.0))
node.inputs[1].default_value = (0.5, 0.5, 1.0, 1.0) # Color1
node = nodes.new('ShaderNodeVectorMath')
node.name = 'Vector Math.003'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-80.0, 20.0))
node.operation = 'SUBTRACT'
node.inputs[0].default_value = (0.5, 0.5, 0.5) # Vector
node.inputs[1].default_value = (0.5, 0.5, 0.5) # Vector
if use_new_nodes:
node.inputs[2].default_value = (1.0, 1.0, 1.0) # Scale
# node.inputs.remove(node.inputs[1])
node = nodes.new('ShaderNodeVectorMath')
node.name = 'Vector Math.004'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((80.0, 20.0))
node.inputs[0].default_value = (0.5, 0.5, 0.5) # Vector
node.inputs[1].default_value = (0.5, 0.5, 0.5) # Vector
if use_new_nodes:
node.inputs[2].default_value = (1.0, 1.0, 1.0) # Scale
frame = nodes.new('NodeFrame')
frame.name = 'Transpose Matrix'
frame.label = 'Transpose Matrix'
frame.location = Vector((180.0, -80.0))
frame.hide = False
frame.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node = nodes.new('ShaderNodeCombineXYZ')
node.name = 'Combine XYZ.001'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((80.0, 20.0))
node.inputs[0].default_value = 0.0 # X
node.inputs[1].default_value = 0.0 # Y
node.inputs[2].default_value = 0.0 # Z
node = nodes.new('ShaderNodeCombineXYZ')
node.name = 'Combine XYZ.002'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((80.0, -20.0))
node.inputs[0].default_value = 0.0 # X
node.inputs[1].default_value = 0.0 # Y
node.inputs[2].default_value = 0.0 # Z
node = nodes.new('ShaderNodeCombineXYZ')
node.name = 'Combine XYZ.003'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((80.0, -60.0))
node.inputs[0].default_value = 0.0 # X
node.inputs[1].default_value = 0.0 # Y
node.inputs[2].default_value = 0.0 # Z
node = nodes.new('ShaderNodeSeparateXYZ')
node.name = 'Separate XYZ.001'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-80.0, 20.0))
node.inputs[0].default_value = (0.0, 0.0, 0.0) # Vector
node = nodes.new('ShaderNodeSeparateXYZ')
node.name = 'Separate XYZ.002'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-80.0, -20.0))
node.inputs[0].default_value = (0.0, 0.0, 0.0) # Vector
node = nodes.new('ShaderNodeSeparateXYZ')
node.name = 'Separate XYZ.003'
node.label = ''
node.parent = frame
node.hide = True
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.location = Vector((-80.0, -60.0))
node.inputs[0].default_value = (0.0, 0.0, 0.0) # Vector
node = nodes.new('NodeGroupOutput')
node.name = 'Group Output'
node.label = ''
node.location = Vector((840.0, -80.0))
node.hide = False
node.color = Color((0.6079999804496765, 0.6079999804496765, 0.6079999804496765))
node.inputs[0].default_value = (0.0, 0.0, 0.0) # Normal
# Connect the nodes
links.new(nodes['Group Input'].outputs['Strength'], nodes['Influence'].inputs[0])
links.new(nodes['Group Input'].outputs['Color'], nodes['Influence'].inputs[2])
links.new(nodes['Influence'].outputs['Color'], nodes['Vector Math.003'].inputs[0])
links.new(nodes['UV Gradients'].outputs['X'], nodes['Tangent'].inputs['Height'])
links.new(nodes['UV Gradients'].outputs['Y'], nodes['Bi-Tangent'].inputs['Height'])
links.new(nodes['UV Map'].outputs['UV'], nodes['UV Gradients'].inputs['Vector'])
links.new(nodes['Tangent'].outputs['Normal'], nodes['Separate XYZ.001'].inputs[0])
links.new(nodes['Bi-Tangent'].outputs['Normal'], nodes['Separate XYZ.002'].inputs[0])
links.new(nodes['Normal'].outputs['Normal'], nodes['Separate XYZ.003'].inputs[0])
links.new(nodes['Vector Math.004'].outputs['Vector'], nodes['Vector Math'].inputs[1])
links.new(nodes['Combine XYZ.001'].outputs['Vector'], nodes['Vector Math'].inputs[0])
links.new(nodes['Vector Math.004'].outputs['Vector'], nodes['Vector Math.001'].inputs[1])
links.new(nodes['Combine XYZ.002'].outputs['Vector'], nodes['Vector Math.001'].inputs[0])
links.new(nodes['Vector Math.004'].outputs['Vector'], nodes['Vector Math.002'].inputs[1])
links.new(nodes['Combine XYZ.003'].outputs['Vector'], nodes['Vector Math.002'].inputs[0])
links.new(nodes['Vector Math.003'].outputs['Vector'], nodes['Vector Math.004'].inputs[0])
links.new(nodes['Vector Math.003'].outputs['Vector'], nodes['Vector Math.004'].inputs[1])
links.new(nodes['Vector Math'].outputs['Value'], nodes['Combine XYZ'].inputs['X'])
links.new(nodes['Vector Math.001'].outputs['Value'], nodes['Combine XYZ'].inputs['Y'])
links.new(nodes['Vector Math.002'].outputs['Value'], nodes['Combine XYZ'].inputs['Z'])
links.new(nodes['Separate XYZ.001'].outputs['X'], nodes['Combine XYZ.001'].inputs['X'])
links.new(nodes['Separate XYZ.002'].outputs['X'], nodes['Combine XYZ.001'].inputs['Y'])
links.new(nodes['Separate XYZ.003'].outputs['X'], nodes['Combine XYZ.001'].inputs['Z'])
links.new(nodes['Separate XYZ.001'].outputs['Y'], nodes['Combine XYZ.002'].inputs['X'])
links.new(nodes['Separate XYZ.002'].outputs['Y'], nodes['Combine XYZ.002'].inputs['Y'])
links.new(nodes['Separate XYZ.003'].outputs['Y'], nodes['Combine XYZ.002'].inputs['Z'])
links.new(nodes['Separate XYZ.001'].outputs['Z'], nodes['Combine XYZ.003'].inputs['X'])
links.new(nodes['Separate XYZ.002'].outputs['Z'], nodes['Combine XYZ.003'].inputs['Y'])
links.new(nodes['Separate XYZ.003'].outputs['Z'], nodes['Combine XYZ.003'].inputs['Z'])
links.new(nodes['Combine XYZ'].outputs['Vector'], nodes['Group Output'].inputs['Normal'])
return group
def register():
bpy.utils.register_class(MAT_OT_custom_normal)
bpy.utils.register_class(MUT_PT_normal_map_nodes)
def unregister():
bpy.utils.unregister_class(MAT_OT_custom_normal)
bpy.utils.unregister_class(MUT_PT_normal_map_nodes)
if __name__ == "__main__":
register()