RobynsVeil opened this issue on Oct 18, 2015 · 32 posts
RobynsVeil posted Sun, 25 October 2015 at 6:29 AM
Not sure if anyone wants to play with this, but here goes. This is very much a proof-of-concept thing this far in, nothing more. I won't talk to suitability or anything else: just having a wee bit of fun. Here is the code:
# FullSkin024.py
#
# Copyright (c) 25-Oct-2015, Robyn Hahn
#
# ***** 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 LICENCE BLOCK *****
bl_info = {
"name": "Simple skin shader for Poser Figures",
"author": "Robyn Hahn",
"version": (0, 2, 4),
"blender": (2, 76, 0),
"location": "-= Not a real addon For Blender, yet =-",
"description": "Generates a simple Cycles shader for a Poser figure",
"warning": "early development",
"wiki_url": "http://0.0.0.1",
"category": "Simple Material Script"}
import bpy
import os.path
"""
These are the items you change:
path ... the fully-qualified path to your texture files like C:MyDirMyTex
curr_obj ... the name of your imported V4 figure
clr files... colour maps
bmp files... bump maps
"""
path = '/home/robyn/Documents/Blender/Projects/AllTextures/AllSkin/textures/'
curr_obj = bpy.data.objects['V4']
clrLimbs = 'Syri_Limbs.jpg'
bmpLimbs = 'Syri_LimbsB.jpg'
clrTorso = 'Syri_Torso.jpg'
bmpTorso = 'Syri_TorsoB.jpg'
clr_Face = 'Syri_Face.jpg'
bmp_Face = 'Syri_FaceB.jpg'
# sets renderer to Cycles
if bpy.context.scene.render.engine == 'BLENDER_RENDER':
bpy.context.scene.render.engine = 'CYCLES'
# class builds mat-specific node set (shader)
class buildShader():
def __init__(self, cObj, cRegion, ImgClr, ImgBum=None):
self.selObj = cObj
self.Region = cRegion
self.ImgCol = ImgClr
self.ImgBmp = ImgBum
self.selObj.select = True
self.selMats = self.selObj.active_material
self.selMats.use_nodes = True
self.treeNodes = self.selMats.node_tree
self.nodeLinks = self.treeNodes.links
self.makeSkin()
def makeSkin(self):
# clears existing nodes, if any
for n in self.treeNodes.nodes:
self.treeNodes.nodes.remove(n)
# create nodes: Texture Coordinate and Mapping
shaTcd = self.treeNodes.nodes.new('ShaderNodeTexCoord')
shaMap = self.treeNodes.nodes.new('ShaderNodeMapping')
# create node: Colour Image Texture
ImgCol = self.treeNodes.nodes.new('ShaderNodeTexImage')
ImgCol.image = self.ImgCol
ImgCol.color_space = 'COLOR'
# create node: Bump Image Texture
ImgBmp = self.treeNodes.nodes.new('ShaderNodeTexImage')
ImgBmp.image = self.ImgBmp
ImgBmp.color_space = 'NONE'
# create nodes: Diffuse, set second input [1] roughness to .15
shaDif = self.treeNodes.nodes.new('ShaderNodeBsdfDiffuse')
shaDif.inputs[1].default_value = .15
# create node: Translucent
shaTrn = self.treeNodes.nodes.new('ShaderNodeBsdfTranslucent')
shaTrn.inputs[0].default_value = [.8, .22, .06, 1]
# create node: Glossy
shaGls = self.treeNodes.nodes.new('ShaderNodeBsdfGlossy')
shaGls.inputs[1].default_value = .12
# create node: Mix-RGB
clrMix = self.treeNodes.nodes.new('ShaderNodeMixRGB')
clrMix.inputs[0].default_value = .1
clrMix.inputs[2].default_value = [.5, .35, .275, 1]
mathMl = self.treeNodes.nodes.new('ShaderNodeMath')
mathMl.operation = 'MULTIPLY'
mathMl.inputs[1].default_value = .01
shaMx3 = self.treeNodes.nodes.new('ShaderNodeMixShader')
shaMx2 = self.treeNodes.nodes.new('ShaderNodeMixShader')
shaMx1 = self.treeNodes.nodes.new('ShaderNodeMixShader')
# create node: Material Output (sort-of like PoserSurface)
shaOut = self.treeNodes.nodes.new('ShaderNodeOutputMaterial')
# Set node locations, roughly
shaTcd.location = -850, 300
shaMap.location = -600, 300
ImgCol.location = -200, 400
ImgBmp.location = -200, 200
shaDif.location = 0, 400
shaTrn.location = 0, 200
clrMix.location = 0, 100
shaMx3.location = 200, 400
shaMx2.location = 400, 400
shaGls.location = 400, 100
shaMx1.location = 600, 400
mathMl.location = 600, 100
shaOut.location = 800, 300
# Link nodes: tex cood and mapping
self.nodeLinks.new(shaTcd.outputs[2], shaMap.inputs[0])
self.nodeLinks.new(shaMap.outputs[0], ImgCol.inputs[0])
self.nodeLinks.new(shaMap.outputs[0], ImgBmp.inputs[0])
# Link nodes: clr and bmp
self.nodeLinks.new(ImgCol.outputs[0], shaDif.inputs[0])
self.nodeLinks.new(ImgCol.outputs[0], clrMix.inputs[1])
self.nodeLinks.new(ImgBmp.outputs[0], mathMl.inputs[0])
# Mixing colorMap and Translucent ( reddish )
self.nodeLinks.new(shaDif.outputs[0], shaMx3.inputs[1])
self.nodeLinks.new(shaTrn.outputs[0], shaMx3.inputs[2])
shaMx3.inputs[0].default_value = .065
# Mixing ClrMap/Translu and ClrMix ( beige )
self.nodeLinks.new(shaMx3.outputs[0], shaMx2.inputs[1])
self.nodeLinks.new(clrMix.outputs[0], shaMx2.inputs[2])
shaMx2.inputs[0].default_value = .05
# Mixing ClrMap/Transl/ClrMix and Glossy
self.nodeLinks.new(shaMx2.outputs[0], shaMx1.inputs[1])
self.nodeLinks.new(shaGls.outputs[0], shaMx1.inputs[2])
shaMx1.inputs[0].default_value = .05
# Output
self.nodeLinks.new(shaMx1.outputs[0], shaOut.inputs[0])
self.nodeLinks.new(mathMl.outputs[0], shaOut.inputs[2])
return self.selMats
# make sure your figure is selected and nothing else
# bpy.ops.object.select_all(action='DESELECT')
bpy.context.object.active_material_index = 0
path = '/home/robyn/Documents/Blender/Projects/AllTextures/AllSkin/textures/'
curr_obj = bpy.data.objects['V4']
"""So far, this will set the skin shader for any limbs materials"""
for i in range(27):
bPasteTex = False
curr_obj.active_material_index = i
matName = curr_obj.active_material.name
matType = matName[0:1]
if matType == '3':
img_Clr = clrLimbs
img_Bmp = bmpLimbs
bPasteTex = True
if matType == '2':
img_Clr = clrTorso
img_Bmp = bmpTorso
bPasteTex = True
if matType == '1':
img_Clr = clr_Face
img_Bmp = bmp_Face
bPasteTex = True
if bPasteTex:
ImgColour = path + img_Clr
ImgBump = path + img_Bmp
imgC = bpy.data.images.load(filepath = ImgColour)
imgB = bpy.data.images.load(filepath = ImgBump)
newMat = buildShader(curr_obj, 'Skin', imgC, imgB)
At this point, this simple script paints V4 with your favourite skin textures and a shader of sorts. If you want to manually play with the code, you can tweak the values.
Here are the steps to take to make this work:
-- Save the content of the above script to a plain-text editor file, call it whatever you want.
(I call mine 'FullSkin024.py', because it's Python code, version .24.)
-- Open Blender (getting rid of the default cube and that)
-- File -> Import -> Wavefront (obj) ... navigate to your Vicky, select her OBJ (not her MTL), then chose the following Import settings:
---- Untick Smooth Groups and untick Lines and everything in Split By
---- Tick Keep Vert Order and tick Poly Groups
-- Import OBJ
-- Click on her in the scene, then hit [S] (for scale), 10
-- Select Scripting from the Scene Selector (next to 'Help') - usually says 'Default' by default 
-- In the Text Editor section, select Open and navigate to the code file (the one I call 'FullSkin024.py')
-- Scroll down to line 44 and make changes to:
---- path
---- name of your Vickie - whatever she's called in Outliner
---- the names of your V4 texture (colour) and bump files for the face, torso and limbs
-- Run the script
I'll sit over here in Oz with my fingers crossed hoping it will work for you. 
If this actually works, you can save the script with the changes you put in.
If anyone actually tries this, please let me know if it worked or if you ran into dramas or whatever. 
Monterey/Mint21.x/Win10 - Blender3.x - PP11.3(cm) - Musescore3.6.2
Wir sind gewohnt, daß die Menschen verhöhnen was sie nicht verstehen
[it is clear that humans have contempt for that which they do not understand]