/
op_bake.py
1100 lines (920 loc) · 45.5 KB
/
op_bake.py
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import bpy
import os
import time
from . import utilities_ui
from . import utilities_uv
from . import settings
from . import utilities_bake as ub
# Notes: https://docs.blender.org/manual/en/dev/render/blender_render/bake.html
modes={
#'displacement': ub.BakeMode('', type='DISPLACEMENT', use_project=True, color=(0, 0, 0, 1), engine='CYCLES'),
'normal_tangent': ub.BakeMode('', type='NORMAL', color=(0.5, 0.5, 1, 1), use_project=True),
'normal_object': ub.BakeMode('', type='NORMAL', color=(0.5, 0.5, 1, 1), normal_space='OBJECT'),
'bevel_mask': ub.BakeMode('bake_bevel_mask', type='EMIT', color=(0, 0, 0, 1), params=["bake_bevel_samples","bake_bevel_size"]),
'normal_tangent_bevel': ub.BakeMode('bake_bevel_normal', type='NORMAL', color=(0.5, 0.5, 1, 1), params=["bake_bevel_samples","bake_bevel_size"]),
'normal_object_bevel': ub.BakeMode('bake_bevel_normal', type='NORMAL', color=(0.5, 0.5, 1, 1), normal_space='OBJECT', params=["bake_bevel_samples","bake_bevel_size"]),
'thickness': ub.BakeMode('bake_thickness', type='EMIT', color=(0, 0, 0, 1), params=["bake_samples","bake_thickness_distance","bake_thickness_contrast","bake_thickness_local"]),
'cavity': ub.BakeMode('bake_cavity', type='EMIT', setVColor=ub.setup_vertex_color_dirty),
'paint_base': ub.BakeMode('bake_paint_base', type='EMIT'),
'dust': ub.BakeMode('bake_dust', type='EMIT', setVColor=ub.setup_vertex_color_dirty),
'ao': ub.BakeMode('', type='AO', params=["bake_samples"], engine='CYCLES'),
'position': ub.BakeMode('bake_position', type='EMIT'),
'curvature': ub.BakeMode('', type='NORMAL', use_project=True, params=["bake_curvature_size"], composite="curvature"),
'wireframe': ub.BakeMode('bake_wireframe', type='EMIT', color=(0, 0, 0, 1), params=["bake_wireframe_size"]),
'id_element': ub.BakeMode('bake_vertex_color', type='EMIT', setVColor=ub.setup_vertex_color_id_element),
'id_material': ub.BakeMode('bake_vertex_color', type='EMIT', setVColor=ub.setup_vertex_color_id_material),
'selection': ub.BakeMode('bake_vertex_color', type='EMIT', color=(0, 0, 0, 1), setVColor=ub.setup_vertex_color_selection),
'diffuse': ub.BakeMode('', type='DIFFUSE'),
'base_color': ub.BakeMode('', type='EMIT', relink = {'needed':True, 'b':ub.chs['ech'], 'n':0}),
'sss_strength': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['ssch']}),
'sss_color': ub.BakeMode('', type='EMIT', relink = {'needed':True, 'b':ub.chs['ech'], 'n':ub.chs['scch']}),
'metallic': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['mch']}),
'specular': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['sch']}),
'specular_tint': ub.BakeMode('', type='EMIT', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['ech'], 'n':ub.chs['stch']}),
'roughness': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1)),
'glossiness': ub.BakeMode('', type='ROUGHNESS', color=(1, 1, 1, 1), invert=True),
'anisotropic': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['ach']}),
'anisotropic_rotation': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['arch']}),
'sheen': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['shch']}),
'sheen_tint': ub.BakeMode('', type='EMIT', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['ech'], 'n':ub.chs['shtch']}),
'clearcoat': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['cch']}),
'clearcoat_roughness': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['crch']}),
'transmission': ub.BakeMode('', type='TRANSMISSION'),
'transmission_roughness': ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['trch']}),
'emission': ub.BakeMode('', type='EMIT', color=(0, 0, 0, 1)),
'environment': ub.BakeMode('', type='ENVIRONMENT'),
'uv': ub.BakeMode('', type='UV'),
'shadow': ub.BakeMode('', type='SHADOW', params=["bake_samples"]),
'combined': ub.BakeMode('', type='COMBINED', params=["bake_samples"])
}
if settings.bversion >= 2.91:
modes['emission_strength']= ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['esch']})
modes['alpha']= ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['alch']})
else:
modes['alpha']= ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':ub.chs['rch'], 'n':ub.chs['esch']})
class op(bpy.types.Operator):
bl_idname = "uv.textools_bake"
bl_label = "Bake"
bl_description = "Bake selected objects"
@classmethod
def poll(cls, context):
if len(settings.sets) == 0:
settings.bake_error = ""
return False
bake_mode = utilities_ui.get_bake_mode()
if bake_mode not in modes:
settings.bake_error = ""
return False
if bake_mode in {'ao','normal_tangent','normal_object','curvature','environment','uv','shadow'}:
settings.bake_error = ""
return True
if bake_mode == 'combined':
if (not bpy.context.scene.render.bake.use_pass_direct) and (not bpy.context.scene.render.bake.use_pass_indirect) and (not bpy.context.scene.render.bake.use_pass_emit):
settings.bake_error = "Lighting or Emit needed"
return False
settings.bake_error = ""
return True
if modes[bake_mode].setVColor or not modes[bake_mode].material:
def is_bakeable(obj):
if len(obj.data.materials) <= 0: # There are no material slots
settings.bake_error = "Materials needed"
return False
elif not any(obj.data.materials): # All material slots are empty
settings.bake_error = "Materials needed"
return False
else:
for slot in obj.material_slots:
if slot.material is not None:
if slot.material.use_nodes == False:
settings.bake_error = "Nodal materials needed"
return False
bsdf_node = None
for n in slot.material.node_tree.nodes:
if n.bl_idname == "ShaderNodeBsdfPrincipled":
bsdf_node = n
if not bsdf_node:
bool_alpha_ignore = bpy.context.preferences.addons[__package__].preferences.bool_alpha_ignore
bool_clean_transmission = bpy.context.preferences.addons[__package__].preferences.bool_clean_transmission
builtin_modes_material = {'diffuse','emission','roughness','glossiness','transmission'}
if modes[bake_mode].relink['needed'] or (bool_clean_transmission and bake_mode == 'transmission') or (bool_alpha_ignore and bake_mode not in builtin_modes_material):
settings.bake_error = "BSDF nodes needed"
return False
# else:
# settings.bake_error = "Materials needed"
# return False
settings.bake_error = ""
return True
def is_vc_ready(obj):
if len(obj.data.vertex_colors) > 7:
settings.bake_error = "An empty VC layer needed"
return False
settings.bake_error = ""
return True
for bset in settings.sets:
if (len(bset.objects_high) + len(bset.objects_float)) == 0:
if not modes[bake_mode].material:
for obj in bset.objects_low:
if not is_bakeable(obj):
return False
if modes[bake_mode].setVColor:
for obj in bset.objects_low:
if not is_vc_ready(obj):
return False
else:
if not modes[bake_mode].material:
for obj in (bset.objects_high + bset.objects_float):
if not is_bakeable(obj):
return False
if modes[bake_mode].setVColor:
for obj in (bset.objects_high + bset.objects_float):
if not is_vc_ready(obj):
return False
settings.bake_error = ""
return True
def execute(self, context):
startTime = time.monotonic()
preferences = bpy.context.preferences.addons[__package__].preferences
circular_report = [False, ]
color_report = [False, ]
if preferences.bool_clean_transmission:
modes['transmission']= ub.BakeMode('', type='ROUGHNESS', color=(0, 0, 0, 1), relink = {'needed':True, 'b':7, 'n':15})
else:
modes['transmission']= ub.BakeMode('', type='TRANSMISSION')
bake_mode = utilities_ui.get_bake_mode()
if bake_mode not in modes:
self.report({'ERROR_INVALID_INPUT'}, "Unknown mode '{}' only available: '{}'".format(bake_mode, ", ".join(modes.keys() )) )
return {'CANCELLED'}
# Store Selection
selected_objects = [obj for obj in bpy.context.selected_objects]
active_object = bpy.context.view_layer.objects.active
pre_selection_mode = None
if active_object:
pre_selection_mode = bpy.context.active_object.mode
ub.store_bake_settings()
if preferences.bake_device != 'DEFAULT':
bpy.context.scene.cycles.device = preferences.bake_device
bpy.context.scene.render.engine = modes[bake_mode].engine #Switch render engine
# Avoid weird rendering problems when Progressive Refine is activated from Blender 2.90
if settings.bversion < 3:
bpy.context.scene.cycles.use_progressive_refine = False
# Make it sure that an Image, and not a Vertex Colors layer, is the target of the bake
if settings.bversion >= 2.92:
bpy.context.scene.render.bake.target = 'IMAGE_TEXTURES'
# Disable denoising until it is properly implemented for baking
if settings.bversion >= 3:
bpy.context.scene.cycles.use_denoising = False
# Render sets
bake(
self = self,
mode = bake_mode,
size = bpy.context.scene.texToolsSettings.size,
bake_force = bpy.context.scene.texToolsSettings.bake_force,
sampling_scale = int(bpy.context.scene.texToolsSettings.bake_sampling),
samples = bpy.context.scene.texToolsSettings.bake_samples,
cage_extrusion = bpy.context.scene.texToolsSettings.bake_cage_extrusion,
ray_distance = bpy.context.scene.texToolsSettings.bake_ray_distance,
circular_report = circular_report,
color_report = color_report,
selected = selected_objects,
active = active_object,
pre_selection_mode = pre_selection_mode
)
elapsed = round(time.monotonic()-startTime, 2)
if circular_report[0]:
if color_report[0]:
self.report({'WARNING'}, "Possible Circular Dependency: a previously baked image may have affected the new bake; " + color_report[0] + "Baking finished in " + str(elapsed) + "s.")
else:
self.report({'WARNING'}, "Possible Circular Dependency: a previously baked image may have affected the new bake. Baking finished in " + str(elapsed) + "s.")
else:
if color_report[0]:
self.report({'WARNING'}, color_report[0] + ". Baking finished in " + str(elapsed) + "s.")
else:
self.report({'INFO'}, "Baking finished in " + str(elapsed) + "s.")
return {'FINISHED'}
def bake(self, mode, size, bake_force, sampling_scale, samples, cage_extrusion, ray_distance, circular_report, color_report, selected, active, pre_selection_mode):
print("Bake '{}'".format(mode))
# Get the baking sets / pairs
sets = settings.sets
for bset in sets:
# Requires 1+ low poly objects
if len(bset.objects_low) == 0:
self.report({'ERROR_INVALID_INPUT'}, "No low poly object as part of the '{}' set".format(bset.name) )
return {'CANCELLED'}
# Check for UV maps
for obj in bset.objects_low:
if (not obj.data.uv_layers) or len(obj.data.uv_layers) == 0:
self.report({'ERROR_INVALID_INPUT'}, "No UV map available for '{}'".format(obj.name))
return {'CANCELLED'}
# Check for cage inconsistencies
if len(bset.objects_cage) > 0 and (len(bset.objects_low) != len(bset.objects_cage)):
self.report({'ERROR_INVALID_INPUT'}, "{}x cage objects do not match {}x low poly objects for '{}'".format(len(bset.objects_cage), len(bset.objects_low), obj.name))
return {'CANCELLED'}
# Disable edit mode
if bpy.context.view_layer.objects.active != None and bpy.context.object.mode != 'OBJECT':
bpy.ops.object.mode_set(mode='OBJECT')
bool_emission_strength_ignore = bpy.context.preferences.addons[__package__].preferences.bool_emission_ignore
bool_alpha_ignore = bpy.context.preferences.addons[__package__].preferences.bool_alpha_ignore
render_width = sampling_scale * size[0]
render_height = sampling_scale * size[1]
# Get custom materials
material_loaded = get_material(mode)
# Setup properties of the custom material_loaded
if material_loaded is not None:
setup_material_loaded(mode, material_loaded)
# If baking Material ID, make sure the color for each material is consistent between bakes
if mode == 'id_material':
# Try to redirect deleted materials which were recovered with undo
if len(ub.allMaterials) > 0 :
for i, mtl in enumerate(ub.allMaterials):
try: mtl.name
except: ub.allMaterials[i] = bpy.data.materials.get(ub.allMaterialsNames[i])
else: # Store a persistent ordered list of all originally used materials in the scene
ub.allMaterials = [mtl for mtl in bpy.data.materials if (mtl is not None and mtl.users != 0)]
ub.allMaterialsNames = [mtl.name for mtl in ub.allMaterials]
# If baking Element ID, make sure the color for each element is consistent between bakes
if mode == 'id_element':
ub.elementsCount = 0
# Create dictionaries to remember original and temporary -copied- materials used in the baked objects
previous_materials = {}
copied_materials = {}
# Container to save existing UDIM tile names of each set
tiles = []
for bset in sets:
for obj in (bset.objects_low + bset.objects_high + bset.objects_float):
if obj not in previous_materials:
previous_materials[obj] = []
for i, mtl in enumerate(obj.data.materials):
if mtl is None:
previous_materials[obj].append(None)
else:
previous_materials[obj].append(obj.data.materials[i].name)
# Substitute original materials for copied ones to avoid restoral after tuning
def use_copied_mtls(obj):
for i, mtl in enumerate(obj.data.materials):
if mtl is not None:
if mtl not in copied_materials:
mat_copied = mtl.copy()
obj.data.materials[i] = mat_copied
copied_materials[mtl.name] = mat_copied.name
else:
obj.data.materials[i] = copied_materials[mtl.name]
def use_material_loaded(obj):
if len(obj.data.materials) > 0:
for i in range(len(obj.data.materials)):
obj.data.materials[i] = bpy.data.materials[material_loaded]
else:
obj.data.materials.append(bpy.data.materials[material_loaded])
for bset in settings.sets:
if (len(bset.objects_high) + len(bset.objects_float)) == 0:
tiles.append( utilities_uv.get_UDIM_tiles( bset.objects_low ) )
for obj in bset.objects_low:
if material_loaded is None:
use_copied_mtls(obj)
else:
use_material_loaded(obj)
else:
tiles.append( utilities_uv.get_UDIM_tiles( bset.objects_high + bset.objects_float ) )
if material_loaded is None:
for obj in (bset.objects_low + bset.objects_high + bset.objects_float):
use_copied_mtls(obj)
else:
for obj in bset.objects_low:
use_copied_mtls(obj)
for obj in (bset.objects_high+bset.objects_float):
use_material_loaded(obj)
relinkedMaterials = []
EmissionIgnoredMaterials = []
AlphaIgnoredMaterials = []
bakeReadyMaterials = [] # Store references of materials where the baking image node is ready and an Avoid Circular Dependency action has been taken
image = previous_image = imagecopy = None # Store image references globally just in case they have to be used to bake all sets
stored_images = [] # [image, previous_image, imagecopy] list of lists
try:
for s,bset in enumerate(sets):
# Get image name
name_texture = "{}_{}".format(bset.name, mode)
if bake_force == "Single":
name_texture = "{}_{}".format(sets[0].name, mode) # In Single mode, bake into the same texture
#path = bpy.path.abspath("//{}.tga".format(name_texture))
is_clear = (not bake_force == "Single") or (bake_force == "Single" and s==0)
# Setup "image" to bake on and retrieve "previous_image": an image that exists in the blend file with the same name than "image", maybe used in materials involved in the bake
if is_clear:
bakeReadyMaterials = []
loaded = True
if material_loaded is None:
loaded = False
image, previous_image = setup_image(color_report, mode, name_texture, render_width, render_height, tiles[s], material_load=loaded)
# Avoid Circular Dependency method A: Create image copy to use in existing nodes that may be affected if baking directly in a "previous_image" whose source is an external file
if image == previous_image:
imagecopy = image.copy()
else:
imagecopy = None
image_name = image.name
if previous_image is None:
previous_image_name = None
else:
previous_image_name = previous_image.name
if imagecopy is None:
imagecopy_name = None
else:
imagecopy_name = imagecopy.name
stored_images.append([image_name, previous_image_name, imagecopy_name, name_texture])
def assign_tune_materials(obj, setup_bake_nodes=False):
if material_loaded is not None:
# If baking ID Materials, update the persistent ordered list of all materials in the scene
if mode == 'id_material':
for mtlname in previous_materials[obj]:
if mtlname is not None:
if bpy.data.materials[mtlname] not in ub.allMaterials:
ub.allMaterials.append(bpy.data.materials[mtlname])
ub.allMaterialsNames.append(mtlname)
if modes[mode].setVColor:
ub.assign_vertex_color(obj)
if mode == 'id_material':
modes[mode].setVColor(obj, previous_materials)
else:
modes[mode].setVColor(obj)
elif modes[mode].relink['needed']:
for slot in obj.material_slots:
if slot.material:
if slot.material not in relinkedMaterials:
relink_nodes(mode, slot.material)
relinkedMaterials.append(slot.material)
if modes[mode].type == 'EMIT' and settings.bversion >= 2.91:
if slot.material not in EmissionIgnoredMaterials:
channel_ignore(modes['emission_strength'].relink['n'], slot.material)
EmissionIgnoredMaterials.append(slot.material)
if (bool_alpha_ignore and mode != 'ao' and mode != 'diffuse') or mode == 'alpha':
if slot.material not in AlphaIgnoredMaterials:
channel_ignore(modes['alpha'].relink['n'], slot.material)
AlphaIgnoredMaterials.append(slot.material)
if setup_bake_nodes:
setup_image_bake_node(obj, bakeReadyMaterials, image_name, previous_image_name, imagecopy_name)
elif bool_emission_strength_ignore and settings.bversion >= 2.91 and mode == 'emission':
for slot in obj.material_slots:
if slot.material:
if slot.material.use_nodes:
bsdf_node = None
for n in slot.material.node_tree.nodes:
if n.bl_idname == "ShaderNodeBsdfPrincipled":
bsdf_node = n
if bsdf_node:
if slot.material not in EmissionIgnoredMaterials:
channel_ignore(modes['emission_strength'].relink['n'], slot.material)
EmissionIgnoredMaterials.append(slot.material)
if (bool_alpha_ignore and mode != 'ao' and mode != 'diffuse') or mode == 'alpha':
if slot.material not in AlphaIgnoredMaterials:
channel_ignore(modes['alpha'].relink['n'], slot.material)
AlphaIgnoredMaterials.append(slot.material)
if setup_bake_nodes:
setup_image_bake_node(obj, bakeReadyMaterials, image_name, previous_image_name, imagecopy_name)
else:
if (bool_alpha_ignore and mode != 'ao' and mode != 'diffuse') or mode == 'alpha':
for slot in obj.material_slots:
if slot.material:
if slot.material.use_nodes:
bsdf_node = None
for n in slot.material.node_tree.nodes:
if n.bl_idname == "ShaderNodeBsdfPrincipled":
bsdf_node = n
if bsdf_node:
if slot.material not in AlphaIgnoredMaterials:
channel_ignore(modes['alpha'].relink['n'], slot.material)
AlphaIgnoredMaterials.append(slot.material)
if setup_bake_nodes:
setup_image_bake_node(obj, bakeReadyMaterials, image_name, previous_image_name, imagecopy_name)
# Assign Materials to Objects / tune the existing materials, and distribute temp bake image nodes
if (len(bset.objects_high) + len(bset.objects_float)) == 0:
# Low poly bake: Assign material to lowpoly or tune the existing material/s
for obj in bset.objects_low:
if mode in {'ao','normal_tangent','normal_object','curvature','environment','uv','shadow','combined'}:
# Clean unused material slots?
# if len(obj.data.materials) > 0:
# if not any(obj.data.materials): # All material slots are empty
# obj.active_material_index = 0
# for i in range(len(obj.material_slots)):
# bpy.ops.object.material_slot_remove({'object': obj})
if len(obj.material_slots) == 0 or (not all(obj.data.materials)):
if "TT_bake_node" not in bpy.data.materials:
bpy.data.materials.new(name="TT_bake_node")
if len(obj.material_slots) == 0:
obj.data.materials.append(bpy.data.materials["TT_bake_node"])
else:
for slot in obj.material_slots:
if not slot.material:
slot.material = bpy.data.materials["TT_bake_node"]
assign_tune_materials(obj, setup_bake_nodes=True)
if material_loaded is not None :
setup_image_bake_node(bset.objects_low[0], bakeReadyMaterials, image_name, previous_image_name, imagecopy_name)
else:
# High to low poly: Low poly requires any material to bake into image
for obj in bset.objects_low:
if len(obj.material_slots) == 0 or (not all(obj.data.materials)):
if "TT_bake_node" not in bpy.data.materials:
bpy.data.materials.new(name="TT_bake_node")
if len(obj.material_slots) == 0:
obj.data.materials.append(bpy.data.materials["TT_bake_node"])
else:
for slot in obj.material_slots:
if not slot.material:
slot.material = bpy.data.materials["TT_bake_node"]
setup_image_bake_node(obj, bakeReadyMaterials, image_name, previous_image_name, imagecopy_name)
# Assign material to highpoly or tune the existing material/s
for obj in (bset.objects_high+bset.objects_float):
assign_tune_materials(obj)
#print("Bake '{}' = {}".format(bset.name, path))
print("Bake "+bset.name)
# Hide all cage objects i nrender
for obj_cage in bset.objects_cage:
obj_cage.hide_render = True
# Bake each low poly object in this set
for i in range(len(bset.objects_low)):
obj_low = bset.objects_low[i]
obj_cage = None if i >= len(bset.objects_cage) else bset.objects_cage[i]
# Disable hide render
obj_low.hide_render = False
bpy.ops.object.select_all(action='DESELECT')
obj_low.select_set( state = True, view_layer = None)
bpy.context.view_layer.objects.active = obj_low
# if modes[mode].engine == 'BLENDER_EEVEE': #TODO would this still be needed when the set background code has been moved to the next lines?
# # Assign image to texture faces
# bpy.ops.object.mode_set(mode='EDIT')
# bpy.ops.mesh.select_all(action='SELECT')
# for area in bpy.context.screen.areas:
# if area.ui_type == 'UV':
# area.spaces[0].image = image
# # bpy.data.screens['UV Editing'].areas[1].spaces[0].image = image
# bpy.ops.object.mode_set(mode='OBJECT')
if is_clear and i == 0:
# Set background image (CYCLES & BLENDER_EEVEE)
# for area in bpy.context.screen.areas:
# if area.ui_type == 'UV':
# area.spaces[0].image = bpy.data.images[image_name]
# Invert background if final invert of the baked image is needed
if modes[mode].invert:
bpy.ops.image.invert(invert_r=True, invert_g=True, invert_b=True, invert_a=False)
for obj_high in (bset.objects_high):
obj_high.select_set( state = True, view_layer = None)
cycles_bake(
mode,
bpy.context.scene.texToolsSettings.padding,
sampling_scale,
samples,
cage_extrusion,
ray_distance,
len(bset.objects_high) > 0,
obj_cage
)
# Bake Floaters separate bake
if len(bset.objects_float) > 0:
bpy.ops.object.select_all(action='DESELECT')
for obj_high in (bset.objects_float):
obj_high.select_set( state = True, view_layer = None)
obj_low.select_set( state = True, view_layer = None)
cycles_bake(
mode,
0,
sampling_scale,
samples,
cage_extrusion,
ray_distance,
len(bset.objects_float) > 0,
obj_cage
)
# Restore renderable for cage objects
for obj_cage in bset.objects_cage:
obj_cage.hide_render = False
# Operations to be made only after the bake is -or the bakes are- finished
if (not bake_force == "Single") or (bake_force == "Single" and s == len(sets)-1):
if modes[mode].invert:
bpy.ops.image.invert(invert_r=True, invert_g=True, invert_b=True, invert_a=False)
if render_width != size[0] or render_height != size[1]:
bpy.data.images[image_name].scale(size[0],size[1])
if modes[mode].composite:
apply_composite(image_name, modes[mode].composite, bpy.context.scene.texToolsSettings.bake_curvature_size)
# TODO: if autosave: image.save()
finally:
# Restore materials whether or not there is a problem during the baking
for obj in previous_materials:
if len(previous_materials[obj]) == 0:
if len(obj.material_slots) > 0:
obj.active_material_index = 0
context_override = {'object': obj}
for i in range(len(obj.material_slots)):
with bpy.context.temp_override(**context_override):
bpy.ops.object.material_slot_remove()
else:
for i, mtlname in enumerate(previous_materials[obj]):
if mtlname is None:
obj.data.materials[i] = None
else:
obj.data.materials[i] = bpy.data.materials[mtlname]
if material_loaded is not None:
if modes[mode].setVColor:
vclsNames = [vcl.name for vcl in obj.data.vertex_colors]
if 'TexTools_temp' in vclsNames :
obj.data.vertex_colors.remove(obj.data.vertex_colors['TexTools_temp'])
for mtl in copied_materials.values():
bpy.data.materials.remove(bpy.data.materials[mtl], do_unlink=True)
if "TT_bake_node" in bpy.data.materials:
bpy.data.materials.remove(bpy.data.materials["TT_bake_node"], do_unlink=True)
if material_loaded is not None:
bpy.data.materials.remove(bpy.data.materials[material_loaded], do_unlink=True)
for images in stored_images:
if images[1] and images[1] in bpy.data.images and bpy.data.images[images[0]] != bpy.data.images[images[1]]:
# If Avoid Circular Dependency method B was used, change previous_image for the newly baked image in all materials
#bpy.data.images[images[1]].user_remap(bpy.data.images[images[0]])
for material in bpy.data.materials:
if material.use_nodes == True:
tree = material.node_tree
for node in tree.nodes:
if node.bl_idname == 'ShaderNodeTexImage':
if node.image == bpy.data.images[images[1]]:
if material in copied_materials:
circular_report[0] = True
node.image = bpy.data.images[images[0]]
# Force previous or temporary images to be removed (user related errors may be prompted in console, but the process should be stable)
if images[2] and images[2] in bpy.data.images:
#bpy.data.images[images[2]].user_clear()
#bpy.data.batch_remove([bpy.data.images[images[2]]])
bpy.data.images.remove(bpy.data.images[images[2]], do_unlink=True) # Delete imagecopy
elif images[1] and images[1] in bpy.data.images:
#bpy.data.images[images[1]].user_clear()
#bpy.data.batch_remove([bpy.data.images[images[1]]])
bpy.data.images.remove(bpy.data.images[images[1]], do_unlink=True) # Delete previous_image
# If Avoid Circular Dependency method A was used, clear users of the saved image and recover them for the newly baked image (they share the ID but are not the same)
if images[2]:
circular_report[0] = True
bpy.data.images[images[0]].user_clear()
for material in bpy.data.materials:
if material.use_nodes == True:
tree = material.node_tree
for node in tree.nodes:
if node.bl_idname == 'ShaderNodeTexImage':
if node.image.name == images[0]:
node.image = bpy.data.images[images[0]]
# Always set proper name to the newly baked image (when all previous or temporary images have been removed)
bpy.data.images[images[0]].name = images[3]
# Restore settings and selection mode
ub.restore_bake_settings()
bpy.ops.object.select_all(action='DESELECT')
for obj in selected:
obj.select_set( state = True, view_layer = None)
# Enter and exit Edit Mode to force set a real vertex colors layer as active
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.object.mode_set(mode='OBJECT')
if active:
bpy.context.view_layer.objects.active = active
bpy.ops.object.mode_set(mode=pre_selection_mode)
def apply_composite(image_name, scene_name, size):
image = bpy.data.images[image_name]
previous_scene = bpy.context.window.scene
# avoid Sun Position addon error
preWorldPropertiesNodesBool = previous_scene.world.use_nodes
# Get Scene with compositing nodes
scene = None
if scene_name in bpy.data.scenes:
scene = bpy.data.scenes[scene_name]
else:
path = os.path.join(os.path.dirname(__file__), "resources/compositing.blend", "Scene")
bpy.ops.wm.append(filename=scene_name, directory=path, link=False, autoselect=False)
scene = bpy.data.scenes[scene_name]
if scene:
# Switch scene
bpy.context.window.scene = scene
bpy.context.window.scene.world.use_nodes = preWorldPropertiesNodesBool
#Setup composite nodes for Curvature
if "Image" in scene.node_tree.nodes:
scene.node_tree.nodes["Image"].image = image
if "Offset" in scene.node_tree.nodes:
scene.node_tree.nodes["Offset"].outputs[0].default_value = size
# Render image
bpy.ops.render.render(use_viewport=False)
# Get last images of viewer node and render result
image_viewer_node = get_last_item("Viewer Node", bpy.data.images)
image_render_result = get_last_item("Render Result", bpy.data.images)
#Copy pixels
image.pixels = image_viewer_node.pixels[:]
image.update()
if image_viewer_node:
bpy.data.images.remove(image_viewer_node)
if image_render_result:
bpy.data.images.remove(image_render_result)
#Restore scene & remove other scene
bpy.context.window.scene = previous_scene
# Delete compositing scene
bpy.data.scenes.remove(scene)
def get_last_item(key_name, collection):
# bpy.data.images
# Get last image of a series, e.g. .001, .002, 003
keys = []
for item in collection:
if key_name in item.name:
keys.append(item.name)
print("Search for {}x : '{}'".format(len(keys), ",".join(keys) ) )
if len(keys) > 0:
return collection[keys[-1]]
return None
def setup_image(color_report, mode, name, width, height, tiles, material_load=False):
preferences = bpy.context.preferences.addons[__package__].preferences
if preferences.bool_bake_back_color == 'CUSTOM':
bake_back_color = bpy.context.scene.texToolsSettings.bake_back_color
else:
bake_back_color = modes[mode].color
def set_color_space(color_report, image):
image.alpha_mode = 'NONE'
try:
image.colorspace_settings.name = bpy.context.scene.texToolsSettings.bake_color_space
except:
try:
if bpy.context.scene.texToolsSettings.bake_color_space == 'Utility - Linear - sRGB':
bpy.context.scene.texToolsSettings.bake_color_space = 'Non-Color'
color_report[0] = "ACES Color Space type is not available"
elif bpy.context.scene.texToolsSettings.bake_color_space == 'Utility - sRGB - Texture':
bpy.context.scene.texToolsSettings.bake_color_space = 'sRGB'
color_report[0] = "ACES Color Space type is not available"
elif bpy.context.scene.texToolsSettings.bake_color_space == 'Non-Color':
bpy.context.scene.texToolsSettings.bake_color_space = 'Utility - Linear - sRGB'
color_report[0] = "Standard RGB Color Space type is not available"
elif bpy.context.scene.texToolsSettings.bake_color_space == 'sRGB':
bpy.context.scene.texToolsSettings.bake_color_space = 'Utility - sRGB - Texture'
color_report[0] = "Standard RGB Color Space type is not available"
image.colorspace_settings.name = bpy.context.scene.texToolsSettings.bake_color_space
except:
color_report[0] = "No one of the known Color Space types is available"
return None
def resize(image):
if image.size[0] != width or image.size[1] != height or image.generated_width != width or image.generated_height != height:
image.scale(width, height)
def set_image_as_background(image):
for area in bpy.context.screen.areas:
if area.ui_type == 'UV':
area.spaces[0].image = bpy.data.images[image.name]
def apply_color(image):
# Set background color to a small version of the image for performance
image.pixels = [pv for p in range(4) for pv in bake_back_color]
# Set final size of the image
resize(image)
def image_create():
is_float_32 = preferences.bake_32bit_float == '32'
if tiles and settings.bversion >= 3.2:
# Create a full size new tiled image with alpha background
image = bpy.data.images.new(name, width=width, height=height, alpha=True, float_buffer=is_float_32, tiled=True)
else:
# Create a small new image
image = bpy.data.images.new(name, width=2, height=2, alpha=True, float_buffer=is_float_32, tiled=False)
set_image_as_background(image)
set_color_space(color_report, image)
if tiles and settings.bversion >= 3.2:
image.tiles.get(1001).generated_color = bake_back_color
for tile in tiles:
bpy.ops.image.tile_add(number=tile, count=1, label="", fill=True, width=width, height=height, float=is_float_32, alpha=True, color=bake_back_color)
image.tiles.active_index = 0
else:
apply_color(image)
#TODO revisit this if image save is implemented
#image.file_format = 'TARGA'
return image
if name in bpy.data.images:
previous_image = bpy.data.images[name]
if previous_image.source == 'FILE':
# Clear image if it was deleted or moved outside
print("Existing image expected path "+bpy.path.abspath(previous_image.filepath))
if not os.path.isfile(bpy.path.abspath(previous_image.filepath)):
print("Unlinking missing image "+name)
image = image_create()
if material_load:
return image, None # Not possible Circular Dependency
return image, previous_image # Avoid Circular Dependency: use method B
else:
set_image_as_background(previous_image)
set_color_space(color_report, previous_image)
if settings.bversion < 3.2 or not tiles:
previous_image.scale(2, 2)
apply_color(previous_image)
if material_load:
return previous_image, None # Not possible Circular Dependency
return previous_image, previous_image # Avoid Circular Dependency: use method A
else:
if material_load:
set_image_as_background(previous_image)
set_color_space(color_report, previous_image)
if settings.bversion < 3.2 or not tiles:
previous_image.scale(2, 2)
apply_color(previous_image)
return previous_image, None # Not possible Circular Dependency
image = image_create()
return image, previous_image # Avoid Circular Dependency: use method B
else:
image = image_create()
return image, None # Not possible Circular Dependency
def setup_image_bake_node(obj, bakeReadyMaterials, image_name, previous_image_name, imagecopy_name):
image = bpy.data.images[image_name]
if previous_image_name:
previous_image = bpy.data.images[previous_image_name]
else:
previous_image = None
if imagecopy_name:
imagecopy = bpy.data.images[imagecopy_name]
else:
imagecopy = None
if len(obj.data.materials) <= 0:
print("ERROR, need spare material to setup active image texture to bake!!!")
else:
def avoid_circular(tree, image):
# Avoid Circular Dependency method A
for node in tree.nodes:
if node.bl_idname == 'ShaderNodeTexImage':
if node.image == image:
node.image = imagecopy
def assign_node(tree):
# Assign bake node
node = None
if "TexTools_bake" in tree.nodes:
node = tree.nodes["TexTools_bake"]
else:
node = tree.nodes.new("ShaderNodeTexImage")
node.name = "TexTools_bake"
node.select = True
node.image = image
tree.nodes.active = node
for slot in obj.material_slots:
if slot.material:
if slot.material.name not in bakeReadyMaterials:
if image == previous_image:
if slot.material.use_nodes == False:
# No need to Avoid Circular Dependency
slot.material.use_nodes = True
assign_node(slot.material.node_tree)
else:
# Use Avoid Circular Dependency method A to preserve external linking of the existing previous_image
avoid_circular(slot.material.node_tree, image)
assign_node(slot.material.node_tree)
else:
# Avoid Circular Dependency method B is used just by not baking directly on the existing previous_image
if slot.material.use_nodes == False:
slot.material.use_nodes = True
assign_node(slot.material.node_tree)
bakeReadyMaterials.append(slot.material.name)
def relink_nodes(mode, material):
if material.use_nodes == False:
material.use_nodes = True
tree = material.node_tree
bsdf_node = None
for n in tree.nodes:
if n.bl_idname == "ShaderNodeBsdfPrincipled":
bsdf_node = n
# set b, which is the base(original) socket index, and n, which is the new-values-source index for the base socket
b, n = modes[mode].relink['b'], modes[mode].relink['n']
base_node = base_socket = None
if len(bsdf_node.inputs[b].links) != 0 :
base_node = bsdf_node.inputs[b].links[0].from_node
base_socket = bsdf_node.inputs[b].links[0].from_socket.name
base_value = (bsdf_node.inputs[b].default_value, )
# If the base value is a color, decompose its value so it can be stored and recovered later, otherwise its value will change while the swap of sockets is committed
if not isinstance(base_value[0], float):
base_value = ((base_value[0][0],base_value[0][1],base_value[0][2],base_value[0][3]), )
new_node = None
if len(bsdf_node.inputs[n].links) != 0 :
new_node = bsdf_node.inputs[n].links[0].from_node
new_node_socket = bsdf_node.inputs[n].links[0].from_socket.name
if (new_node == base_node and new_node != None) and base_socket == new_node_socket :
pass
else:
bsdf_node.inputs[b].default_value = bsdf_node.inputs[n].default_value
tree.links.new(new_node.outputs[new_node_socket], bsdf_node.inputs[b])
else:
if base_node:
tree.links.remove(bsdf_node.inputs[b].links[0])
bsdf_node.inputs[b].default_value = bsdf_node.inputs[n].default_value
def channel_ignore(channel, material):
if material.use_nodes == False:
material.use_nodes = True
tree = material.node_tree
bsdf_node = None
for n in tree.nodes:
if n.bl_idname == "ShaderNodeBsdfPrincipled":
bsdf_node = n
if len(bsdf_node.inputs[channel].links) != 0 :
tree.links.remove(bsdf_node.inputs[channel].links[0])
# So far, Channels whose effect on others is wanted to be ignored have to be set equal to 1.0
bsdf_node.inputs[channel].default_value = 1.0
def setup_material_loaded(mode, name):
material_bake = bpy.data.materials[name]
if mode == 'wireframe':
if "Value" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["Value"].outputs[0].default_value = bpy.context.scene.texToolsSettings.bake_wireframe_size
if mode == 'bevel_mask':
if "Bevel" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["Bevel"].inputs[0].default_value = bpy.context.scene.texToolsSettings.bake_bevel_size
material_bake.node_tree.nodes["Bevel"].samples = bpy.context.scene.texToolsSettings.bake_bevel_samples
if mode == 'normal_tangent_bevel':
if "Bevel" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["Bevel"].inputs[0].default_value = bpy.context.scene.texToolsSettings.bake_bevel_size
material_bake.node_tree.nodes["Bevel"].samples = bpy.context.scene.texToolsSettings.bake_bevel_samples
if mode == 'normal_object_bevel':
if "Bevel" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["Bevel"].inputs[0].default_value = bpy.context.scene.texToolsSettings.bake_bevel_size
material_bake.node_tree.nodes["Bevel"].samples = bpy.context.scene.texToolsSettings.bake_bevel_samples
if mode == 'thickness':
if "ao" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["ao"].samples = bpy.context.scene.texToolsSettings.bake_samples
material_bake.node_tree.nodes["ao"].only_local = bpy.context.scene.texToolsSettings.bake_thickness_local
if "Distance" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["Distance"].outputs[0].default_value = bpy.context.scene.texToolsSettings.bake_thickness_distance
if "Contrast" in material_bake.node_tree.nodes:
material_bake.node_tree.nodes["Contrast"].outputs[0].default_value = bpy.context.scene.texToolsSettings.bake_thickness_contrast
def get_material(mode):
if modes[mode].material == "":
return None # No material setup required
# Find or load material
name = modes[mode].material
path = os.path.join(os.path.dirname(__file__), "resources/materials.blend", "Material")
if "bevel" in mode or "thickness" in mode:
path = os.path.join(os.path.dirname(__file__), "resources/materials_2.80.blend", "Material")
#print("Get material {}\n{}".format(mode, path))
if bpy.data.materials.get(name) is None:
#print("Material not yet loaded: "+mode)
bpy.ops.wm.append(filename=name, directory=path, link=False, autoselect=False)