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nns_material.py
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nns_material.py
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import bpy
from bpy.props import (BoolProperty,
FloatProperty,
EnumProperty,
IntProperty,
FloatVectorProperty,
PointerProperty,
CollectionProperty)
from bpy.types import Image
from bpy.app.handlers import persistent
def generate_output_node(material, input):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_output = nodes.new(type='ShaderNodeOutputMaterial')
if material.nns_hdr_add_self:
add_shader1 = nodes.new(type='ShaderNodeAddShader')
add_shader2 = nodes.new(type='ShaderNodeAddShader')
links.new(input.outputs[0], add_shader1.inputs[0])
links.new(input.outputs[0], add_shader1.inputs[1])
if bpy.app.version < (3, 0, 0):
links.new(add_shader1.outputs[0], add_shader2.inputs[0])
links.new(add_shader1.outputs[0], add_shader2.inputs[1])
links.new(add_shader2.outputs[0], node_output.inputs[0])
else:
links.new(add_shader1.outputs[0], node_output.inputs[0])
else:
links.new(input.outputs[0], node_output.inputs[0])
def generate_culling_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_geo = nodes.new(type='ShaderNodeNewGeometry')
node_invert = nodes.new(type='ShaderNodeInvert')
if material.nns_display_face == "front":
node_invert.inputs[0].default_value = 1.0
elif material.nns_display_face == "back":
node_invert.inputs[0].default_value = 0.0
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.blend_type = 'MULTIPLY'
node_mix_rgb.inputs[0].default_value = 1.0
links.new(node_geo.outputs[6], node_invert.inputs[1])
links.new(node_invert.outputs[0], node_mix_rgb.inputs[1])
return node_mix_rgb
def generate_srt_nodes(material, input):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_sub = nodes.new(type='ShaderNodeVectorMath')
node_sub.operation = 'SUBTRACT'
node_sub.location = (-100, 0)
if material.nns_tex_gen_mode == "nrm":
node_sub.inputs[1].default_value = (0, 0, 0)
else:
node_sub.inputs[1].default_value = (0.5, 0.5, 0.5)
node_rt_mapping = nodes.new(type='ShaderNodeMapping')
node_rt_mapping.name = 'nns_node_rt'
node_rt_mapping.location = (0, 0)
node_rt_mapping.inputs[3].default_value = (1, 1, 1)
node_add = nodes.new(type='ShaderNodeVectorMath')
node_add.operation = 'ADD'
node_add.location = (100, 0)
node_add.inputs[1].default_value = (0.5, 0.5, 0.5)
node_s_mapping = nodes.new(type='ShaderNodeMapping')
node_s_mapping.name = 'nns_node_s'
node_s_mapping.location = (200, 0)
node_s_mapping.inputs[3].default_value = (1, 1, 1)
links.new(input.outputs[0], node_sub.inputs[0])
links.new(node_sub.outputs[0], node_rt_mapping.inputs[0])
links.new(node_rt_mapping.outputs[0], node_add.inputs[0])
links.new(node_add.outputs[0], node_s_mapping.inputs[0])
return node_s_mapping
node_offset_x = 0
node_offset_y = 0
loca = (0, 0)
def create_node(mat, name, node_type, location, offset_mode="x"):
global node_offset_x
global node_offset_y
nodes = mat.node_tree.nodes
newnode = nodes.new(type=node_type)
newnode.name = name
newnode.label = name
if offset_mode == 0:
newnode.location = location
elif offset_mode == "x":
newnode.location = (location[0] + node_offset_x, location[1] + node_offset_y)
node_offset_x += 180
elif offset_mode == "y":
newnode.location = (location[0], location[1] + node_offset_y)
node_offset_y -= 150
elif offset_mode == "xy":
newnode.location = (location[0] + node_offset_x, location[1] + node_offset_y)
node_offset_x += 180
newnode.location = (location[0], location[1] + node_offset_y)
node_offset_y -= 150
return newnode
def create_light_nodes(mat, index, location):
nodes = mat.node_tree.nodes
links = mat.node_tree.links
# get inputs
# lights
light_vec = nodes.get("Light" + str(index) + " Vector")
light_spec = nodes.get("Light" + str(index) + " Specular")
light_col = nodes.get("Light" + str(index) + " Color Filtered")
# materials
node_diffuse = nodes.get("df")
node_ambient = nodes.get("amb")
node_specular = nodes.get("spec")
# transform inputs
# normals to camera space
normal_vec_node = create_node(mat, "normal vector(N)", 'ShaderNodeNewGeometry', location)
vec_mult1 = create_node(mat, "Fix backface", "ShaderNodeVectorMath", location)
vec_mult1.operation = "MULTIPLY"
mult_add1 = create_node(mat, "remap backface factor", "ShaderNodeMath", location)
mult_add1.operation = "MULTIPLY_ADD"
mult_add1.inputs[1].default_value = -2.0
mult_add1.inputs[2].default_value = 1.0
vec_trans = create_node(mat, "transform to camera space", 'ShaderNodeVectorTransform', location)
vec_trans.convert_from = "WORLD"
vec_trans.convert_to = "CAMERA"
links.new(normal_vec_node.outputs[6], mult_add1.inputs[0])
links.new(normal_vec_node.outputs[1], vec_mult1.inputs[0])
links.new(mult_add1.outputs[0], vec_mult1.inputs[1])
links.new(vec_mult1.outputs[0], vec_trans.inputs[0])
# LightVector in camera space
vec_mult2 = create_node(mat, "inverse light angle", "ShaderNodeVectorMath", location)
vec_mult2.inputs[1].default_value = (-1, -1, -1)
vec_mult2.operation = "MULTIPLY"
vec_norm1 = create_node(mat, "Normalize", "ShaderNodeVectorMath", location)
vec_norm1.operation = "NORMALIZE"
links.new(light_vec.outputs[0], vec_mult2.inputs[0])
links.new(vec_mult2.outputs[0], vec_norm1.inputs[0])
sep_xyz1 = create_node(mat, "SepXYZ", "ShaderNodeSeparateXYZ", location)
comb_xyz1 = create_node(mat, "CombXYZ", "ShaderNodeCombineXYZ", location)
links.new(vec_norm1.outputs[0], sep_xyz1.inputs[0])
links.new(sep_xyz1.outputs[0], comb_xyz1.inputs[0])
links.new(sep_xyz1.outputs[1], comb_xyz1.inputs[2])
links.new(sep_xyz1.outputs[2], comb_xyz1.inputs[1])
# ld : Diffuse reflection shininess
# ls : Specular reflection shininess
# calculation of ld
dot_prod1 = create_node(mat, "Dot Prod1", "ShaderNodeVectorMath", location)
dot_prod1.operation = "DOT_PRODUCT"
links.new(vec_trans.outputs[0], dot_prod1.inputs[0])
links.new(comb_xyz1.outputs[0], dot_prod1.inputs[1])
clamp1 = create_node(mat, "Clamp1", "ShaderNodeClamp", location)
clamp1.inputs[1].default_value = 0.0
clamp1.inputs[2].default_value = 1.0
ld = create_node(mat, "ld", "ShaderNodeMath", location)
ld.operation = "POWER"
ld.inputs[1].default_value = 1.50
links.new(dot_prod1.outputs[1], clamp1.inputs[0])
links.new(clamp1.outputs[0], ld.inputs[0])
# half angle vector
vec_add1 = create_node(mat, "VecAdd1", "ShaderNodeVectorMath", location)
vec_add1.operation = "ADD"
vec_add1.inputs[1].default_value = (0, 0.99, 0)
vec_norm2 = create_node(mat, "VecNorm2", "ShaderNodeVectorMath", location)
vec_norm2.operation = "NORMALIZE"
links.new(comb_xyz1.outputs[0], vec_add1.inputs[0])
links.new(vec_add1.outputs[0], vec_norm2.inputs[0])
# calculation of ls (may not be 100% accurate due to me not knowing how to search for tables in the ida db
# but it's accurate enough for preview purpose)
# may be updated if i find a better approwimation or get the exact formula
dot_prod2 = create_node(mat, "DotProd2", "ShaderNodeVectorMath", location)
dot_prod2.operation = "DOT_PRODUCT"
# specular corrective mask
sign1 = create_node(mat, "Sign1", "ShaderNodeMath", location)
sign1.operation = "SIGN"
sign1.use_clamp = True
# end of mask
pow1 = create_node(mat, "Pow1", "ShaderNodeMath", location)
pow1.operation = "POWER"
pow1.inputs[1].default_value = 2.0
links.new(vec_norm2.outputs[0], dot_prod2.inputs[0])
links.new(vec_trans.outputs[0], dot_prod2.inputs[1])
links.new(dot_prod2.outputs[1], pow1.inputs[0])
links.new(dot_prod2.outputs[1], sign1.inputs[0])
mult1 = create_node(mat, "Mult1", "ShaderNodeMath", location)
mult1.operation = "MULTIPLY"
mult1.inputs[1].default_value = 2.0
sub1 = create_node(mat, "Sub1", "ShaderNodeMath", location)
sub1.operation = "SUBTRACT"
sub1.inputs[1].default_value = 1.0
sub1.use_clamp = True
links.new(pow1.outputs[0], mult1.inputs[0])
links.new(mult1.outputs[0], sub1.inputs[0])
# applying the spec corrective mask
mult3 = create_node(mat, "Mult3", "ShaderNodeMath", location)
mult3.operation = "MULTIPLY"
links.new(sign1.outputs[0], mult3.inputs[0])
links.new(sub1.outputs[0], mult3.inputs[1])
ls = create_node(mat, "Specular brightness", "ShaderNodeMath", location)
ls.operation = "POWER"
ls.inputs[1].default_value = 2.0
links.new(mult3.outputs[0], ls.inputs[0])
# Diffuse color
di = create_node(mat, "Diffuse " + str(index), "ShaderNodeMixRGB", location)
di.blend_type = "MULTIPLY"
di.inputs[0].default_value = 1.0
links.new(node_diffuse.outputs[0], di.inputs[1])
links.new(ld.outputs[0], di.inputs[2])
# Specular color
pow2 = create_node(mat, "Pow2", "ShaderNodeMath", location)
pow2.operation = "POWER"
pow2.inputs[1].default_value = 1.5
mult4 = create_node(mat, "Mult4", "ShaderNodeMath", location)
mult4.operation = "MULTIPLY"
si = create_node(mat, "Specular " + str(index), "ShaderNodeMixRGB", location)
si.blend_type = "MULTIPLY"
si.inputs[0].default_value = 1.0
links.new(node_specular.outputs[0], si.inputs[1])
links.new(light_spec.outputs[0], pow2.inputs[0])
links.new(ls.outputs[0], mult4.inputs[0])
links.new(pow2.outputs[0], mult4.inputs[1])
links.new(mult4.outputs[0], si.inputs[2])
# addition of the three colors (all except emission)
col_add1 = create_node(mat, "Ambient " + str(index), "ShaderNodeMixRGB", location)
col_add1.blend_type = "ADD"
col_add1.inputs[0].default_value = 1.0
col_add2 = create_node(mat, "ColAdd2", "ShaderNodeMixRGB", location)
col_add2.blend_type = "ADD"
col_add2.inputs[0].default_value = 1.0
links.new(node_ambient.outputs[0], col_add1.inputs[2])
links.new(di.outputs[0], col_add1.inputs[1])
links.new(col_add1.outputs[0], col_add2.inputs[1])
links.new(si.outputs[0], col_add2.inputs[2])
# multiply with light color
col_mult1 = create_node(mat, "Result " + str(index), "ShaderNodeMixRGB", location)
col_mult1.blend_type = "MULTIPLY"
col_mult1.inputs[0].default_value = 1.0
links.new(light_col.outputs[0], col_mult1.inputs[2])
links.new(col_add2.outputs[0], col_mult1.inputs[1])
light_node = col_mult1
return light_node
def generate_normal_lightning_color_nodes(material):
global node_offset_y
global node_offset_x
global loca
node_offset_x = 0
node_offset_y = 0
mat = material
nodes = mat.node_tree.nodes
links = mat.node_tree.links
matcols = {"df": (material.nns_diffuse[0],
material.nns_diffuse[1],
material.nns_diffuse[2],
1.0),
"amb": (material.nns_ambient[0],
material.nns_ambient[1],
material.nns_ambient[2],
1.0),
"spec": (material.nns_specular[0],
material.nns_specular[1],
material.nns_specular[2],
1.0),
"em": (material.nns_emission[0],
material.nns_emission[1],
material.nns_emission[2],
1.0)}
light0 = {"LightVector": (0, 0, -1), "LightCol": (1, 1, 1, 1), "LightSpecular": 0.5,
"isLightEnabled": mat.nns_light0, "LightIndex": 0}
light1 = {"LightVector": (0, 0.5, -0.5), "LightCol": (1, 1, 1, 1), "LightSpecular": 1,
"isLightEnabled": mat.nns_light1, "LightIndex": 1}
light2 = {"LightVector": (0, 0, -1), "LightCol": (1, 0, 0, 1), "LightSpecular": 0.5,
"isLightEnabled": mat.nns_light2, "LightIndex": 2}
light3 = {"LightVector": (0, 0, 1), "LightCol": (1, 1, 0, 1), "LightSpecular": 0, "isLightEnabled": mat.nns_light3,
"LightIndex": 3}
lights = (light0, light1, light2, light3)
# inputs
node_offset_x = 0
node_offset_y = -300
loca = (-7500, -300)
for i in range(4):
light_vec = create_node(mat, "Light" + str(i) + " Vector", "ShaderNodeCombineXYZ", loca, offset_mode="y")
for j in range(3):
light_vec.inputs[j].default_value = lights[i]["LightVector"][j]
light_col = create_node(mat, "Light" + str(i) + " Color", "ShaderNodeRGB", loca, offset_mode="y")
light_col.outputs[0].default_value = lights[i]["LightCol"]
light_spec = create_node(mat, "Light" + str(i) + " Specular", "ShaderNodeValue", loca, offset_mode="y")
light_spec.outputs[0].default_value = lights[i]["LightSpecular"]
light_enabled = create_node(mat, "Light" + str(i) + " Enabled", "ShaderNodeValue", loca, offset_mode="y")
light_enabled.outputs[0].default_value = lights[i]["isLightEnabled"]
mask_node = create_node(mat, "Light" + str(i) + " Color Filtered", "ShaderNodeMixRGB", (-7300, loca[1]),
offset_mode="y")
mask_node.blend_type = "MULTIPLY"
mask_node.inputs[0].default_value = 1.0
links.new(light_col.outputs[0], mask_node.inputs[1])
links.new(light_enabled.outputs[0], mask_node.inputs[2])
# material colors
for name in matcols.keys():
col = create_node(mat, name, "ShaderNodeRGB", loca, offset_mode="y")
col.outputs[0].default_value = matcols[name]
# add all the results of the light0, 1, 2 and 3 calculations
add_nodes_x = -600
node_offset_y = -300
l_col_add1 = create_node(mat, "LColAdd1", "ShaderNodeMixRGB", (add_nodes_x, -300), offset_mode="xy")
l_col_add1.blend_type = "ADD"
l_col_add1.inputs[0].default_value = 1.0
l_col_add2 = create_node(mat, "LColAdd2", "ShaderNodeMixRGB", (add_nodes_x, -450), offset_mode="xy")
l_col_add2.blend_type = "ADD"
l_col_add2.inputs[0].default_value = 1.0
l_col_add3 = create_node(mat, "LColAdd3", "ShaderNodeMixRGB", (add_nodes_x, -600), offset_mode="xy")
l_col_add3.blend_type = "ADD"
l_col_add3.inputs[0].default_value = 1.0
l_col_add4 = create_node(mat, "Total result", "ShaderNodeMixRGB", (add_nodes_x, -750), offset_mode="xy")
l_col_add4.blend_type = "ADD"
l_col_add4.inputs[0].default_value = 1.0
node_emission = nodes.get("em")
use_diffuse_node = create_node(mat, "UseOnlyDiffuse?", "ShaderNodeMixRGB", (add_nodes_x, -750), offset_mode="xy")
use_diffuse_node.blend_type = "MIX"
links.new(l_col_add1.outputs[0], l_col_add2.inputs[1])
links.new(l_col_add2.outputs[0], l_col_add3.inputs[1])
links.new(l_col_add3.outputs[0], l_col_add4.inputs[1])
links.new(node_emission.outputs[0], l_col_add4.inputs[2])
node_offset_x = 0
node_offset_y = -300
for i in range(4):
light_node = create_light_nodes(mat, i, (-6500 - i * 150, -300))
if i == 0 or i == 1:
links.new(light_node.outputs[0], l_col_add1.inputs[i + 1])
elif i == 2:
links.new(light_node.outputs[0], l_col_add2.inputs[2])
else:
links.new(light_node.outputs[0], l_col_add3.inputs[2])
node_offset_y -= 350
node_offset_x = 0
links.new(l_col_add3.outputs[0], l_col_add4.inputs[1])
links.new(l_col_add4.outputs[0], use_diffuse_node.inputs[1])
light_total_result = use_diffuse_node
# if no light is enbaled
use_only_diffuse = True
for light in lights:
if light["isLightEnabled"]:
use_only_diffuse = False
light_total_result.inputs[0].default_value = use_only_diffuse
light_total_result.inputs[2].default_value = matcols["df"]
return light_total_result
def generate_decal_vc_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_mix_1 = nodes.new(type='ShaderNodeMixRGB')
node_mix_1.inputs[0].default_value = 0.0
node_mix_2 = nodes.new(type='ShaderNodeMixRGB')
links.new(node_mix_1.outputs[0], node_mix_2.inputs[2])
if "tx" in material.nns_mat_type:
node_image = generate_image_nodes(material)
links.new(node_image.outputs[0], node_mix_1.inputs[1])
links.new(node_image.outputs[1], node_mix_1.inputs[2])
links.new(node_image.outputs[1], node_mix_2.inputs[0])
node_mix_shader = nodes.new(type='ShaderNodeMixShader')
node_trans_bsdf = nodes.new(type='ShaderNodeBsdfTransparent')
links.new(node_mix_2.outputs[0], node_mix_shader.inputs[2])
links.new(node_trans_bsdf.outputs[0], node_mix_shader.inputs[1])
if "vc" in material.nns_mat_type:
node_attr = nodes.new(type='ShaderNodeAttribute')
node_attr.attribute_name = 'Col'
links.new(node_attr.outputs[0], node_mix_2.inputs[1])
elif "nr" in material.nns_mat_type:
node_vertex_lighting = generate_normal_lightning_color_nodes(material)
links.new(node_vertex_lighting.outputs[0], node_mix_2.inputs[1])
else:
node_diffuse = nodes.new(type='ShaderNodeMixRGB')
node_diffuse.name = 'nns_node_diffuse'
node_diffuse.blend_type = 'MULTIPLY'
node_diffuse.inputs[0].default_value = 1.0
node_diffuse.inputs[1].default_value = (1.0, 1.0, 1.0, 1.0)
node_diffuse.inputs[2].default_value = (
material.nns_diffuse[0],
material.nns_diffuse[1],
material.nns_diffuse[2],
1.0)
links.new(node_diffuse.outputs[0], node_mix_2.inputs[1])
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.location = (0, 200)
node_mix_rgb.blend_type = 'MIX'
node_mix_rgb.name = 'nns_node_alpha'
node_mix_rgb.inputs[0].default_value = 1.0
node_mix_rgb.inputs[1].default_value = (0, 0, 0, 1)
node_mix_rgb.inputs[2].default_value = (
material.nns_alpha / 31,
material.nns_alpha / 31,
material.nns_alpha / 31,
1.0)
if material.nns_display_face == "both":
links.new(node_mix_rgb.outputs[0], node_mix_shader.inputs[0])
else:
node_face = generate_culling_nodes(material)
links.new(node_mix_rgb.outputs[0], node_face.inputs[2])
links.new(node_face.outputs[0], node_mix_shader.inputs[0])
generate_output_node(material, node_mix_shader)
def generate_image_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_image = nodes.new(type='ShaderNodeTexImage')
node_image.name = 'nns_node_image'
node_image.interpolation = 'Closest'
if material.nns_image != '':
try:
node_image.image = material.nns_image
except Exception:
raise NameError("Cannot load image")
# Make this ahead of time. Must always be filled.
node_srt = None
if material.nns_tex_gen_mode == "nrm":
node_geo = nodes.new(type='ShaderNodeNewGeometry')
node_vec_trans = nodes.new(type='ShaderNodeVectorTransform')
node_vec_trans.convert_from = 'WORLD'
node_vec_trans.convert_to = 'CAMERA'
node_vec_trans.vector_type = 'NORMAL'
node_mapping = nodes.new(type='ShaderNodeMapping')
node_mapping.inputs[3].default_value = (0.5, 0.5, 0.5)
links.new(node_geo.outputs[1], node_vec_trans.inputs[0])
links.new(node_vec_trans.outputs[0], node_mapping.inputs[0])
node_srt = generate_srt_nodes(material, node_mapping)
else:
node_uvmap = nodes.new(type='ShaderNodeUVMap')
node_uvmap.uv_map = "UVMap"
node_srt = generate_srt_nodes(material, node_uvmap)
node_sp_xyz = nodes.new(type='ShaderNodeSeparateXYZ')
links.new(node_srt.outputs[0], node_sp_xyz.inputs[0])
node_cb_xyz = nodes.new(type='ShaderNodeCombineXYZ')
links.new(node_sp_xyz.outputs[2], node_cb_xyz.inputs[2])
if material.nns_tex_tiling_u == "flip":
node_math_u = nodes.new(type='ShaderNodeMath')
node_math_u.operation = 'PINGPONG'
node_math_u.inputs[1].default_value = 1.0
links.new(node_sp_xyz.outputs[0], node_math_u.inputs[0])
links.new(node_math_u.outputs[0], node_cb_xyz.inputs[0])
elif material.nns_tex_tiling_u == "clamp":
node_math_u = nodes.new(type='ShaderNodeMath')
node_math_u.operation = 'MINIMUM'
node_math_u.inputs[1].default_value = 0.99
node_math_u.use_clamp = True
links.new(node_sp_xyz.outputs[0], node_math_u.inputs[0])
links.new(node_math_u.outputs[0], node_cb_xyz.inputs[0])
else:
links.new(node_sp_xyz.outputs[0], node_cb_xyz.inputs[0])
if material.nns_tex_tiling_v == "flip":
node_math_v = nodes.new(type='ShaderNodeMath')
node_math_v.operation = 'PINGPONG'
node_math_v.inputs[1].default_value = 1.0
links.new(node_sp_xyz.outputs[1], node_math_v.inputs[0])
links.new(node_math_v.outputs[0], node_cb_xyz.inputs[1])
elif material.nns_tex_tiling_v == "clamp":
node_math_v = nodes.new(type='ShaderNodeMath')
node_math_v.operation = 'MINIMUM'
node_math_v.inputs[1].default_value = 0.99
node_math_v.use_clamp = True
links.new(node_sp_xyz.outputs[1], node_math_v.inputs[0])
links.new(node_math_v.outputs[0], node_cb_xyz.inputs[1])
else:
links.new(node_sp_xyz.outputs[1], node_cb_xyz.inputs[1])
links.new(node_cb_xyz.outputs[0], node_image.inputs[0])
return node_image
def generate_mod_vc_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_mix = nodes.new(type='ShaderNodeMixRGB')
node_mix.inputs[0].default_value = 0.0
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.blend_type = 'MULTIPLY'
node_mix_rgb.name = 'nns_node_alpha'
node_mix_rgb.inputs[0].default_value = 1.0
node_mix_rgb.inputs[1].default_value = (1.0, 1.0, 1.0, 1.0)
node_mix_rgb.inputs[2].default_value = (
material.nns_alpha / 31,
material.nns_alpha / 31,
material.nns_alpha / 31,
1.0
)
if "tx" in material.nns_mat_type:
node_image = generate_image_nodes(material)
links.new(node_image.outputs[0], node_mix.inputs[1])
links.new(node_image.outputs[1], node_mix.inputs[2])
links.new(node_image.outputs[1], node_mix_rgb.inputs[1])
node_multiply = nodes.new(type='ShaderNodeMixRGB')
node_multiply.name = 'nns_node_diffuse'
node_multiply.blend_type = 'MULTIPLY'
node_multiply.inputs[0].default_value = 1.0
node_multiply.inputs[1].default_value = (1.0, 1.0, 1.0, 1.0)
node_multiply.inputs[2].default_value = (
material.nns_diffuse[0],
material.nns_diffuse[1],
material.nns_diffuse[2],
1.0
)
if "vc" in material.nns_mat_type:
node_attr = nodes.new(type='ShaderNodeAttribute')
node_attr.attribute_name = 'Col'
links.new(node_attr.outputs[0], node_multiply.inputs[2])
elif "nr" in material.nns_mat_type:
node_vertex_lighting = generate_normal_lightning_color_nodes(material)
links.new(node_vertex_lighting.outputs[0], node_multiply.inputs[2])
node_bsdf = nodes.new(type='ShaderNodeBsdfTransparent')
node_mix_shader = nodes.new(type='ShaderNodeMixShader')
links.new(node_mix.outputs[0], node_multiply.inputs[1])
links.new(node_multiply.outputs[0], node_mix_shader.inputs[2])
if material.nns_display_face == "both":
links.new(node_mix_rgb.outputs[0], node_mix_shader.inputs[0])
else:
node_face = generate_culling_nodes(material)
links.new(node_mix_rgb.outputs[0], node_face.inputs[2])
links.new(node_face.outputs[0], node_mix_shader.inputs[0])
links.new(node_bsdf.outputs[0], node_mix_shader.inputs[1])
generate_output_node(material, node_mix_shader)
def generate_image_only_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.blend_type = 'MULTIPLY'
node_mix_rgb.name = 'nns_node_alpha'
node_mix_rgb.inputs[0].default_value = 1.0
node_mix_rgb.inputs[2].default_value = (
material.nns_alpha / 31,
material.nns_alpha / 31,
material.nns_alpha / 31,
1.0
)
node_bsdf = nodes.new(type='ShaderNodeBsdfTransparent')
node_mix_shader = nodes.new(type='ShaderNodeMixShader')
node_image = generate_image_nodes(material)
links.new(node_image.outputs[0], node_mix_shader.inputs[2])
links.new(node_image.outputs[1], node_mix_rgb.inputs[1])
if material.nns_display_face == "both":
links.new(node_mix_rgb.outputs[0], node_mix_shader.inputs[0])
else:
node_face = generate_culling_nodes(material)
links.new(node_mix_rgb.outputs[0], node_face.inputs[2])
links.new(node_face.outputs[0], node_mix_shader.inputs[0])
links.new(node_bsdf.outputs[0], node_mix_shader.inputs[1])
generate_output_node(material, node_mix_shader)
def generate_solid_color_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.location = (0, 200)
node_mix_rgb.blend_type = 'MULTIPLY'
node_mix_rgb.name = 'nns_node_alpha'
node_mix_rgb.inputs[0].default_value = 1.0
node_mix_rgb.inputs[1].default_value = (1.0, 1.0, 1.0, 1.0)
node_mix_rgb.inputs[2].default_value = (
material.nns_alpha / 31,
material.nns_alpha / 31,
material.nns_alpha / 31,
1.0
)
node_bsdf = nodes.new(type='ShaderNodeBsdfTransparent')
node_mix_df = nodes.new(type='ShaderNodeMixRGB')
node_mix_df.location = (0, -100)
node_mix_df.name = 'nns_node_diffuse'
node_mix_df.inputs[0].default_value = 1.0
node_mix_df.inputs[2].default_value = (
material.nns_diffuse[0],
material.nns_diffuse[1],
material.nns_diffuse[2],
1.0
)
node_mix_shader = nodes.new(type='ShaderNodeMixShader')
node_mix_shader.location = (200, 0)
if material.nns_display_face == "both":
links.new(node_mix_rgb.outputs[0], node_mix_shader.inputs[0])
else:
node_face = generate_culling_nodes(material)
links.new(node_mix_rgb.outputs[0], node_face.inputs[2])
links.new(node_face.outputs[0], node_mix_shader.inputs[0])
links.new(node_bsdf.outputs[0], node_mix_shader.inputs[1])
links.new(node_mix_df.outputs[0], node_mix_shader.inputs[2])
generate_output_node(material, node_mix_shader)
def generate_only_normal_lighting(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.blend_type = 'MULTIPLY'
node_mix_rgb.name = 'nns_node_alpha'
node_mix_rgb.inputs[0].default_value = 1.0
node_mix_rgb.inputs[1].default_value = (1.0, 1.0, 1.0, 1.0)
node_mix_rgb.inputs[2].default_value = (
material.nns_alpha / 31,
material.nns_alpha / 31,
material.nns_alpha / 31,
1.0
)
node_bsdf = nodes.new(type='ShaderNodeBsdfTransparent')
node_vc_light = generate_normal_lightning_color_nodes(material)
node_mix_shader = nodes.new(type='ShaderNodeMixShader')
if material.nns_display_face == "both":
links.new(node_mix_rgb.outputs[0], node_mix_shader.inputs[0])
else:
node_face = generate_culling_nodes(material)
links.new(node_mix_rgb.outputs[0], node_face.inputs[2])
links.new(node_face.outputs[0], node_mix_shader.inputs[0])
links.new(node_bsdf.outputs[0], node_mix_shader.inputs[1])
links.new(node_vc_light.outputs[0], node_mix_shader.inputs[2])
generate_output_node(material, node_mix_shader)
def generate_only_vc_nodes(material):
nodes = material.node_tree.nodes
links = material.node_tree.links
node_mix_rgb = nodes.new(type='ShaderNodeMixRGB')
node_mix_rgb.blend_type = 'MULTIPLY'
node_mix_rgb.name = 'nns_node_alpha'
node_mix_rgb.inputs[0].default_value = 1.0
node_mix_rgb.inputs[1].default_value = (1.0, 1.0, 1.0, 1.0)
node_mix_rgb.inputs[2].default_value = (
material.nns_alpha / 31,
material.nns_alpha / 31,
material.nns_alpha / 31,
1.0
)
node_bsdf = nodes.new(type='ShaderNodeBsdfTransparent')
node_vc = nodes.new(type='ShaderNodeVertexColor')
node_vc.layer_name = 'Col'
node_mix_shader = nodes.new(type='ShaderNodeMixShader')
if material.nns_display_face == "both":
links.new(node_mix_rgb.outputs[0], node_mix_shader.inputs[0])
else:
node_face = generate_culling_nodes(material)
links.new(node_mix_rgb.outputs[0], node_face.inputs[2])
links.new(node_face.outputs[0], node_mix_shader.inputs[0])
links.new(node_bsdf.outputs[0], node_mix_shader.inputs[1])
links.new(node_vc.outputs[0], node_mix_shader.inputs[2])
generate_output_node(material, node_mix_shader)
# fog
node_fog_offset_x = 0
node_fog_offset_y = 0
loca_fog = (0, 0)
def create_node_fog(name, node_type, location=loca_fog, offset_mode="x"):
global node_fog_offset_x
global node_fog_offset_y
nodes = bpy.data.node_groups.get("nns fog").nodes
newnode = nodes.new(type=node_type)
newnode.name = name
newnode.label = name
if offset_mode == 0:
newnode.location = location
elif offset_mode == "x":
newnode.location = (location[0] + node_fog_offset_x, location[1] + node_fog_offset_y)
node_fog_offset_x += 180
elif offset_mode == "y":
newnode.location = (location[0], location[1] + node_fog_offset_y)
node_fog_offset_y -= 150
elif offset_mode == "xy":
newnode.location = (location[0] + node_fog_offset_x, location[1] + node_fog_offset_y)
node_fog_offset_x += 180
newnode.location = (location[0], location[1] + node_fog_offset_y)
node_fog_offset_y -= 150
return newnode
def generate_fog_group():
if "nns fog" not in bpy.data.node_groups.keys():
fog_group = bpy.data.node_groups.new(name="nns fog", type="ShaderNodeTree")
else:
fog_group = bpy.data.node_groups.get("nns fog")
nodes = fog_group.nodes
nodes.clear()
input_node = create_node_fog("input node", "NodeGroupInput", (-150, 0))
output_node = create_node_fog("output_node", "NodeGroupOutput", (1000, 0), 0)
# reset group
if "surface color" not in fog_group.inputs or "mat use fog" not in fog_group.inputs:
for input in fog_group.inputs:
fog_group.inputs.remove(input)
fog_group.inputs.new("NodeSocketColor", "surface color")
fog_group.inputs.new("NodeSocketFloat", "mat use fog")
if "Color" not in fog_group.outputs:
for output in fog_group.outputs:
fog_group.outputs.remove(output)
fog_group.outputs.new("NodeSocketColor", "Color")
for node in nodes:
nodes.remove(node)
generate_fog_group_nodes(fog_group, input_node, output_node)
def generate_fog_group_nodes(fog_group, input_node, output_node):
global node_fog_offset_x
global node_fog_offset_y
node_fog_offset_x = 0
node_fog_offset_y = 0
# input data
input_node = create_node_fog("inputs", "NodeGroupInput", (0, 150), 0)
# invariable
cam = create_node_fog("cam", "ShaderNodeCameraData", loca_fog, "y")
# variable
use_fog = create_node_fog("use_fog", "ShaderNodeValue", loca_fog, "y")
scale = create_node_fog("scale", "ShaderNodeValue", loca_fog, "y")
scale.outputs[0].default_value = 20
fog_offset = create_node_fog("fog offset", "ShaderNodeValue", loca_fog, "y")
fog_color = create_node_fog("fog color", "ShaderNodeRGB", loca_fog, "y")
node_fog_offset_y = 0
node_fog_offset_x = 150
divide = create_node_fog("divide", "ShaderNodeMath")
divide.operation = "DIVIDE"
subtract = create_node_fog("subtract", "ShaderNodeMath")
subtract.operation = "SUBTRACT"
subtract.use_clamp = True
sub_c1 = create_node_fog("subtract", "ShaderNodeMath")
sub_c1.operation = "SUBTRACT"
sub_c1.inputs[0].default_value = 1
pow1 = create_node_fog("pow", "ShaderNodeMath")
pow1.operation = "POWER"
pow1.inputs[1].default_value = 7
sub_c2 = create_node_fog("subtract", "ShaderNodeMath")
sub_c2.operation = "SUBTRACT"
sub_c2.inputs[0].default_value = 1
pow2 = create_node_fog("pow", "ShaderNodeMath")
pow2.operation = "POWER"
pow2.inputs[1].default_value = 0.5
mix_c = create_node_fog("mix 1", "ShaderNodeMixRGB")
mix_c.blend_type = "MIX"
curve = create_node_fog("curve", "ShaderNodeRGBCurve")
curve.mapping.extend = 'HORIZONTAL'
curve.width = 350
node_fog_offset_x += 300
mix_1 = create_node_fog("mix 1", "ShaderNodeMixRGB")
mix_1.blend_type = "MIX"
mult = create_node_fog("mult", "ShaderNodeMath")
mult.operation = "MULTIPLY"
mix_2 = create_node_fog("mix 2", "ShaderNodeMixRGB")
mix_2.blend_type = "MIX"
links = fog_group.links
links.new(cam.outputs[1], divide.inputs[0])
links.new(scale.outputs[0], divide.inputs[1])
links.new(divide.outputs[0], subtract.inputs[0])
links.new(fog_offset.outputs[0], subtract.inputs[1])
# blending correction
links.new(subtract.outputs[0], sub_c1.inputs[1])
links.new(sub_c1.outputs[0], pow1.inputs[0])
links.new(pow1.outputs[0], sub_c2.inputs[1])
links.new(fog_color.outputs[0], pow2.inputs[0])
links.new(pow2.outputs[0],mix_c.inputs[0])
links.new(sub_c2.outputs[0], mix_c.inputs[1])
links.new(subtract.outputs[0], mix_c.inputs[2])
# fog density curve
links.new(mix_c.outputs[0], curve.inputs[1])
links.new(curve.outputs[0], mix_1.inputs[0])
links.new(input_node.outputs["surface color"], mix_1.inputs[1])
links.new(fog_color.outputs[0], mix_1.inputs[2])
links.new(input_node.outputs["mat use fog"], mult.inputs[0])
links.new(use_fog.outputs[0], mult.inputs[1])
links.new(mult.outputs[0], mix_2.inputs[0])
links.new(mix_1.outputs[0], mix_2.inputs[2])
links.new(input_node.outputs["surface color"], mix_2.inputs[1])
# output data
output_node = create_node_fog("outputs", "NodeGroupOutput")
links.new(mix_2.outputs[0], output_node.inputs["Color"])
def generate_fog_material_nodes(material):
mat = material
nodes = mat.node_tree.nodes
links = mat.node_tree.links
mix_shader = nodes.get("Mix Shader")
nns_df = mix_shader.inputs[2].links[0].from_node
nns_fog = create_node(mat, "nns fog", "ShaderNodeGroup", loca)
update_fog_group_nodes(self=None, context=bpy.context)
nns_fog.node_tree = bpy.data.node_groups.get("nns fog")
nns_fog.inputs[1].default_value = int(mat.nns_fog)
nns_fog.location = (mix_shader.location[0], mix_shader.location[1] - 150)
links.new(nns_df.outputs[0], nns_fog.inputs[0])
links.new(nns_fog.outputs[0], mix_shader.inputs[2])
def generate_nodes(material):
if material.is_nns:
nodes = material.node_tree.nodes
nodes.clear()
links = material.node_tree.links
links.clear()
if material.nns_mat_type == "tx":
print("oui")
generate_image_only_nodes(material)
elif material.nns_mat_type == "df":
generate_solid_color_nodes(material)
elif material.nns_mat_type == "vc":
generate_only_vc_nodes(material)
elif material.nns_mat_type == "df_nr":
generate_only_normal_lighting(material)
elif material.nns_polygon_mode == "modulate" \
or material.nns_polygon_mode == "toon_highlight" \
or material.nns_polygon_mode == "shadow":
generate_mod_vc_nodes(material)
elif material.nns_polygon_mode == "decal":
generate_decal_vc_nodes(material)
generate_fog_material_nodes(material)
def update_fog_group_nodes(self, context):
if "nns fog" not in bpy.data.node_groups.keys():
generate_fog_group()
fog_group = bpy.data.node_groups.get("nns fog")
if "fog offset" not in fog_group.nodes.keys():
generate_fog_group()