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GoB.py
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GoB.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 #####
import bpy
import bmesh
import mathutils
import math
import time
import os
from struct import pack, unpack
from copy import deepcopy
import string
import numpy
from bpy_extras.node_shader_utils import PrincipledBSDFWrapper
from bpy_extras.image_utils import load_image
if os.path.isfile("C:/Users/Public/Pixologic/GoZBrush/GoZBrushFromApp.exe"):
PATHGOZ = "C:/Users/Public/Pixologic"
FROMAPP = "GoZBrushFromApp.exe"
elif os.path.isfile("/Users/Shared/Pixologic/GoZBrush/GoZBrushFromApp.app/Contents/MacOS/GoZBrushFromApp"):
PATHGOZ = "/Users/Shared/Pixologic"
FROMAPP = "GoZBrushFromApp.app/Contents/MacOS/GoZBrushFromApp"
else:
PATHGOZ = False
time_interval = 2.0 # Check GoZ import for changes every 2.0 seconds
run_background_update = False
icons = None
cached_last_edition_time = time.time() - 10.0
preview_collections = {}
def draw_goz_buttons(self, context):
global run_background_update, icons
icons = preview_collections["main"]
pref = bpy.context.preferences.addons[__package__.split(".")[0]].preferences
if context.region.alignment != 'RIGHT':
layout = self.layout
row = layout.row(align=True)
if pref.show_button_text:
row.operator(operator="scene.gob_export", text="Export", emboss=True, icon_value=icons["GOZ_SEND"].icon_id)
if run_background_update:
row.operator(operator="scene.gob_import", text="Import", emboss=True, depress=True, icon_value=icons["GOZ_SYNC_ENABLED"].icon_id)
else:
row.operator(operator="scene.gob_import", text="Import", emboss=True, depress=False, icon_value=icons["GOZ_SYNC_DISABLED"].icon_id)
else:
row.operator(operator="scene.gob_export", text="", emboss=True, icon_value=icons["GOZ_SEND"].icon_id)
if run_background_update:
row.operator(operator="scene.gob_import", text="", emboss=True, depress=True, icon_value=icons["GOZ_SYNC_ENABLED"].icon_id)
else:
row.operator(operator="scene.gob_import", text="", emboss=True, depress=False, icon_value=icons["GOZ_SYNC_DISABLED"].icon_id)
start_time = None
class GoB_OT_import(bpy.types.Operator):
bl_idname = "scene.gob_import"
bl_label = "GOZ import"
bl_description = "GOZ import background listener"
def GoZit(self, pathFile):
pref = bpy.context.preferences.addons[__package__.split(".")[0]].preferences
if pref.performance_profiling:
print("\n", 100*"=")
start_time = profiler(time.time(), "Start Import Profiling")
start_total_time = profiler(time.time(), "")
utag = 0
vertsData = []
facesData = []
objMat = None
diff, disp, norm = None, None, None
exists = os.path.isfile(pathFile)
if not exists:
print(f'Cant read mesh from: {pathFile}. Skipping')
return
with open(pathFile, 'rb') as goz_file:
goz_file.seek(36, 0)
lenObjName = unpack('<I', goz_file.read(4))[0] - 16
goz_file.seek(8, 1)
obj_name = unpack('%ss' % lenObjName, goz_file.read(lenObjName))[0]
# remove non ascii chars eg. /x 00
objName = ''.join([letter for letter in obj_name[8:].decode('utf-8') if letter in string.printable])
print(f"Importing: {pathFile, objName}")
tag = goz_file.read(4)
while tag:
# Name
if tag == b'\x89\x13\x00\x00':
print("name:", tag)
cnt = unpack('<L', goz_file.read(4))[0] - 8
goz_file.seek(cnt, 1)
# Vertices
elif tag == b'\x11\x27\x00\x00':
#print("Vertices:", tag)
goz_file.seek(4, 1)
cnt = unpack('<Q', goz_file.read(8))[0]
for i in range(cnt):
co1 = unpack('<f', goz_file.read(4))[0]
co2 = unpack('<f', goz_file.read(4))[0]
co3 = unpack('<f', goz_file.read(4))[0]
vertsData.append((co1, co2, co3))
# Faces
elif tag == b'\x21\x4e\x00\x00':
#print("Faces:", tag)
goz_file.seek(4, 1)
cnt = unpack('<Q', goz_file.read(8))[0]
for i in range(cnt):
v1 = unpack('<L', goz_file.read(4))[0]
v2 = unpack('<L', goz_file.read(4))[0]
v3 = unpack('<L', goz_file.read(4))[0]
v4 = unpack('<L', goz_file.read(4))[0]
if v4 == 0xffffffff:
facesData.append((v1, v2, v3))
elif v4 == 0:
facesData.append((v4, v1, v2, v3))
else:
facesData.append((v1, v2, v3, v4))
# UVs
elif tag == b'\xa9\x61\x00\x00':
#print("UVs:", tag)
break
# Polypainting
elif tag == b'\xb9\x88\x00\x00':
#print("Polypainting:", tag)
break
# Mask
elif tag == b'\x32\x75\x00\x00':
#print("Mask:", tag)
break
# Polyroups
elif tag == b'\x41\x9c\x00\x00':
#print("Polyroups:", tag)
break
# End
elif tag == b'\x00\x00\x00\x00':
#print("End:", tag)
break
# Unknown tags
else:
print("Unknown tag:{0}".format(tag))
if utag >= 10:
print("...Too many mesh tags unknown...\n")
break
utag += 1
cnt = unpack('<I', goz_file.read(4))[0] - 8
goz_file.seek(cnt, 1)
tag = goz_file.read(4)
if pref.performance_profiling:
start_time = profiler(start_time, "Unpack Mesh Data")
# create new object
if not objName in bpy.data.objects.keys():
me = bpy.data.meshes.new(objName)
obj = bpy.data.objects.new(objName, me)
bpy.context.view_layer.active_layer_collection.collection.objects.link(obj)
me.from_pydata(vertsData, [], facesData)
#me.transform(obj.matrix_world.inverted())
# object already exist
else:
obj = bpy.data.objects[objName]
me = obj.data
#mesh has same vertex count
if len(me.vertices) == len(vertsData):
bm = bmesh.new()
bm.from_mesh(me)
bm.faces.ensure_lookup_table()
#udpate vertex positions
for i, v in enumerate(bm.verts):
v.co = mathutils.Vector(vertsData[i])
bm.to_mesh(me)
bm.free()
#mesh has different vertex count
else:
me.clear_geometry() #NOTE: if this is done in edit mode we get a crash
me.from_pydata(vertsData, [], facesData)
#obj.data = me
# update mesh data after transformations to fix normals
me.validate(verbose=True)
me.update(calc_edges=True, calc_edges_loose=True)
me,_ = apply_transformation(me, is_import=True)
# assume we have to reverse transformation from obj mode, this is needed after matrix transfomrmations
me.transform(obj.matrix_world.inverted())
# make object active
obj.select_set(True)
bpy.context.view_layer.objects.active = obj
vertsData.clear()
facesData.clear()
if pref.performance_profiling:
start_time = profiler(start_time, "Make Mesh")
utag = 0
while tag:
# UVs
if tag == b'\xa9\x61\x00\x00':
print("Import UV: ", pref.import_uv)
if pref.import_uv:
goz_file.seek(4, 1)
cnt = unpack('<Q', goz_file.read(8))[0] # face count
bm = bmesh.new()
bm.from_mesh(me)
bm.faces.ensure_lookup_table()
if me.uv_layers:
if pref.import_uv_name in me.uv_layers:
uv_layer = bm.loops.layers.uv.get(pref.import_uv_name)
else:
uv_layer = bm.loops.layers.uv.new(pref.import_uv_name)
else:
uv_layer = bm.loops.layers.uv.new(pref.import_uv_name)
uv_layer = bm.loops.layers.uv.verify()
for face in bm.faces:
for index, loop in enumerate(face.loops):
x, y = unpack('<2f', goz_file.read(8))
loop[uv_layer].uv = x, 1.0-y
#uv's always have 4 coords so its required to read one more if a trinalge is in the mesh
# zbrush seems to always write out 4 coords
if index < 3:
x, y = unpack('<2f', goz_file.read(8))
bm.to_mesh(me)
bm.free()
me.update(calc_edges=True, calc_edges_loose=True)
if pref.performance_profiling:
start_time = profiler(start_time, "UV Map")
else:
utag += 1
cnt = unpack('<I', goz_file.read(4))[0] - 8
goz_file.seek(cnt, 1)
# Polypainting
elif tag == b'\xb9\x88\x00\x00':
print("Import Polypaint: ", pref.import_polypaint)
if pref.import_polypaint:
goz_file.seek(4, 1)
cnt = unpack('<Q', goz_file.read(8))[0]
polypaintData = []
for i in range(cnt):
colordata = unpack('<3B', goz_file.read(3)) # Color
unpack('<B', goz_file.read(1)) # Alpha
alpha = 1
#convert color to vector
rgb = [x / 255.0 for x in colordata]
rgb.reverse()
rgba = rgb + [alpha]
polypaintData.append(tuple(rgba))
if pref.performance_profiling:
start_time = profiler(start_time, "Polypaint Unpack")
if colordata:
bm = bmesh.new()
bm.from_mesh(me)
bm.faces.ensure_lookup_table()
if me.vertex_colors:
if pref.import_polypaint_name in me.vertex_colors:
color_layer = bm.loops.layers.color.get(pref.import_polypaint_name)
else:
color_layer = bm.loops.layers.color.new(pref.import_polypaint_name)
else:
color_layer = bm.loops.layers.color.new(pref.import_polypaint_name)
for face in bm.faces:
for loop in face.loops:
loop[color_layer] = polypaintData[loop.vert.index]
bm.to_mesh(me)
me.update(calc_edges=True, calc_edges_loose=True)
bm.free()
polypaintData.clear()
if pref.performance_profiling:
start_time = profiler(start_time, "Polypaint Assign")
else:
utag += 1
cnt = unpack('<I', goz_file.read(4))[0] - 8
goz_file.seek(cnt, 1)
# Mask
elif tag == b'\x32\x75\x00\x00':
print("Import Mask: ", pref.import_mask)
if pref.import_mask:
goz_file.seek(4, 1)
cnt = unpack('<Q', goz_file.read(8))[0]
if 'mask' in obj.vertex_groups:
obj.vertex_groups.remove(obj.vertex_groups['mask'])
groupMask = obj.vertex_groups.new(name='mask')
for faceIndex in range(cnt):
weight = unpack('<H', goz_file.read(2))[0] / 65535
groupMask.add([faceIndex], 1.-weight, 'ADD')
if pref.performance_profiling:
start_time = profiler(start_time, "Mask")
else:
utag += 1
cnt = unpack('<I', goz_file.read(4))[0] - 8
goz_file.seek(cnt, 1)
# Polyroups
elif tag == b'\x41\x9c\x00\x00':
print("Import Polyroups: ", pref.import_polygroups_to_vertexgroups, pref.import_polygroups_to_facemaps)
#wipe face maps before importing new ones due to random naming
if pref.import_polygroups_to_facemaps:
for i,facemap in enumerate(obj.face_maps):
obj.face_maps.remove(facemap)
groupsData = []
facemapsData = []
goz_file.seek(4, 1)
cnt = unpack('<Q', goz_file.read(8))[0] # get polygroup faces
#print("polygroup data:", cnt)
for i in range(cnt): # faces of each polygroup
group = unpack('<H', goz_file.read(2))[0]
#print("polygroup data:", i, group, hex(group))
# vertex groups import
if pref.import_polygroups_to_vertexgroups:
if group not in groupsData: #this only works if mask is already there
if str(group) in obj.vertex_groups:
obj.vertex_groups.remove(obj.vertex_groups[str(group)])
vg = obj.vertex_groups.new(name=str(group))
groupsData.append(group)
else:
vg = obj.vertex_groups[str(group)]
vg.add(list(me.polygons[i].vertices), 1.0, 'ADD') # add vertices to vertex group
# Face maps import
if pref.import_polygroups_to_facemaps:
if group not in facemapsData:
if str(group) in obj.face_maps:
obj.face_maps.remove(obj.face_maps[str(group)])
fm = obj.face_maps.new(name=str(group))
facemapsData.append(group)
else:
fm = obj.face_maps[str(group)]
fm.add([i]) # add faces to facemap
try:
obj.vertex_groups.remove(obj.vertex_groups.get('0'))
except:
pass
try:
obj.face_maps.remove(obj.face_maps.get('0'))
except:
pass
groupsData.clear()
facemapsData.clear()
if pref.performance_profiling:
start_time = profiler(start_time, "Polyroups")
# End
elif tag == b'\x00\x00\x00\x00':
break
# Diffuse Texture
elif tag == b'\xc9\xaf\x00\x00':
#print("Diff map:", tag)
texture_name = (obj.name + pref.import_diffuse_suffix)
cnt = unpack('<I', goz_file.read(4))[0] - 16
goz_file.seek(8, 1)
diffName = unpack('%ss' % cnt, goz_file.read(cnt))[0]
print(diffName.decode('utf-8'))
img = bpy.data.images.load(diffName.strip().decode('utf-8'), check_existing=True)
img.name = texture_name
img.reload()
if not texture_name in bpy.data.textures:
txtDiff = bpy.data.textures.new(texture_name, 'IMAGE')
txtDiff.image = img
diff = img
# Displacement Texture
elif tag == b'\xd9\xd6\x00\x00':
#print("Disp map:", tag)
texture_name = (obj.name + pref.import_displace_suffix)
cnt = unpack('<I', goz_file.read(4))[0] - 16
goz_file.seek(8, 1)
dispName = unpack('%ss' % cnt, goz_file.read(cnt))[0]
print(dispName.decode('utf-8'))
img = bpy.data.images.load(dispName.strip().decode('utf-8'), check_existing=True)
img.name = texture_name
img.reload()
if not texture_name in bpy.data.textures:
txtDisp = bpy.data.textures.new(texture_name, 'IMAGE')
txtDisp.image = img
disp = img
# Normal Map Texture
elif tag == b'\x51\xc3\x00\x00':
#print("Normal map:", tag)
texture_name = (obj.name + pref.import_normal_suffix)
cnt = unpack('<I', goz_file.read(4))[0] - 16
goz_file.seek(8, 1)
normName = unpack('%ss' % cnt, goz_file.read(cnt))[0]
print(normName.decode('utf-8'))
img = bpy.data.images.load(normName.strip().decode('utf-8'), check_existing=True)
img.name = texture_name
img.reload()
if not texture_name in bpy.data.textures:
txtNorm = bpy.data.textures.new(texture_name, 'IMAGE')
txtNorm.image = img
norm = img
# Unknown tags
else:
print("Unknown tag:{0}".format(tag))
if utag >= 10:
print("...Too many object tags unknown...\n")
break
utag += 1
cnt = unpack('<I', goz_file.read(4))[0] - 8
goz_file.seek(cnt, 1)
tag = goz_file.read(4)
if pref.performance_profiling:
start_time = profiler(start_time, "Textures")
# Materials
if pref.import_material == 'NONE':
print("Import Material: ", pref.import_material)
else:
if len(obj.material_slots) > 0:
#print("material slot: ", obj.material_slots[0])
if obj.material_slots[0].material is not None:
objMat = obj.material_slots[0].material
else:
objMat = bpy.data.materials.new(objName)
obj.material_slots[0].material = objMat
else:
objMat = bpy.data.materials.new(objName)
obj.data.materials.append(objMat)
if pref.import_material == 'POLYPAINT':
if pref.import_polypaint_name in me.vertex_colors:
create_node(objMat, pref, diff, norm, disp)
elif pref.import_material == 'TEXTURES':
create_node(objMat, pref, diff, norm, disp)
elif pref.import_material == 'POLYGROUPS':
create_node(objMat, pref, diff, norm, disp)
if pref.performance_profiling:
start_time = profiler(start_time, "Material Node")
# #apply face maps to sculpt mode face sets
if pref.apply_facemaps_to_facesets and bpy.app.version > (2, 82, 7):
bpy.ops.object.mode_set(bpy.context.copy(), mode='SCULPT')
for window in bpy.context.window_manager.windows:
screen = window.screen
for area in screen.areas:
if area.type == 'VIEW_3D':
override = {'window': window, 'screen': screen, 'area': area}
bpy.ops.sculpt.face_sets_init(override, mode='FACE_MAPS')
break
if pref.performance_profiling:
start_time = profiler(start_time, "Init Face Sets")
# reveal all mesh elements (after the override for the face maps the elements without faces are hidden)
bpy.ops.object.mode_set(bpy.context.copy(), mode='EDIT')
for window in bpy.context.window_manager.windows:
screen = window.screen
for area in screen.areas:
if area.type == 'VIEW_3D':
override = {'window': window, 'screen': screen, 'area': area}
bpy.ops.mesh.reveal(override)
break
if pref.performance_profiling:
start_time = profiler(start_time, "Reveal Mesh Elements")
if pref.performance_profiling:
profiler(start_total_time, "Total Import Time")
print(30*"=")
return
def execute(self, context):
goz_obj_paths = []
try:
with open(f"{PATHGOZ}/GoZBrush/GoZ_ObjectList.txt", 'rt') as goz_objs_list:
for line in goz_objs_list:
goz_obj_paths.append(line.strip() + '.GoZ')
except PermissionError:
print("File already in use! Try again Later")
if len(goz_obj_paths) == 0:
self.report({'INFO'}, message="No goz files in GoZ_ObjectList.txt")
return{'CANCELLED'}
currentContext = 'OBJECT'
if context.object and context.object.mode != 'OBJECT':
currentContext = context.object.mode
print("currentContext: ", currentContext)
# ! cant get proper context from timers for now to change mode: https://developer.blender.org/T62074
bpy.ops.object.mode_set(context.copy(), mode='OBJECT') #hack
for ztool_path in goz_obj_paths:
self.GoZit(ztool_path)
bpy.ops.object.mode_set(context.copy(), mode=currentContext)
self.report({'INFO'}, "Done")
return{'FINISHED'}
def invoke(self, context, event):
pref = bpy.context.preferences.addons[__package__.split(".")[0]].preferences
if pref.import_method == 'AUTOMATIC':
global run_background_update
if run_background_update:
if bpy.app.timers.is_registered(run_import_periodically):
bpy.app.timers.unregister(run_import_periodically)
print('Disabling GOZ background listener')
run_background_update = False
else:
if not bpy.app.timers.is_registered(run_import_periodically):
bpy.app.timers.register(run_import_periodically, persistent=True)
print('Enabling GOZ background listener')
run_background_update = True
return{'FINISHED'}
else:
if run_background_update:
if bpy.app.timers.is_registered(run_import_periodically):
bpy.app.timers.unregister(run_import_periodically)
print('Disabling GOZ background listener')
run_background_update = False
return{'FINISHED'}
def create_node(mat, pref, diff=None, norm=None, disp=None):
mat.use_nodes = True
nodes = mat.node_tree.nodes
""" for node in nodes:
print(node) """
shader_node = nodes.get('Principled BSDF')
output_node = nodes.get('Material Output')
if pref.import_material == 'TEXTURES':
# Diffiuse Color Map
if diff:
diffTxt_node = False
for node in nodes:
if node.bl_idname == 'ShaderNodeTexImage' and node.image.name == diff.name:
diffTxt_node = node
if not diffTxt_node:
diffTxt_node = nodes.new('ShaderNodeTexImage')
diffTxt_node.location = -700, 500
diffTxt_node.image = diff
diffTxt_node.label = 'Diffuse Color Map'
diffTxt_node.image.colorspace_settings.name = pref.import_diffuse_colorspace
mat.node_tree.links.new(shader_node.inputs[0], diffTxt_node.outputs[0])
# Normal Map
if norm:
norm_node = False
normTxt_node = False
for node in nodes:
if node.bl_idname == 'ShaderNodeTexImage' and node.image.name == norm.name:
normTxt_node = node
if node.bl_idname == 'ShaderNodeNormalMap':
norm_node = node
if not norm_node:
norm_node = nodes.new('ShaderNodeNormalMap')
norm_node.location = -300, -100
mat.node_tree.links.new(shader_node.inputs[19], norm_node.outputs[0])
if not normTxt_node:
normTxt_node = nodes.new('ShaderNodeTexImage')
normTxt_node.location = -700, -100
normTxt_node.image = norm
normTxt_node.label = 'Normal Map'
normTxt_node.image.colorspace_settings.name = pref.import_normal_colorspace
mat.node_tree.links.new(norm_node.inputs[1], normTxt_node.outputs[0])
# Displacement Map
if disp:
disp_node = False
dispTxt_node = False
for node in nodes:
if node.bl_idname == 'ShaderNodeTexImage' and node.image.name == disp.name:
dispTxt_node = node
if node.bl_idname == 'ShaderNodeDisplacement':
disp_node = node
if not disp_node:
disp_node = nodes.new('ShaderNodeDisplacement')
disp_node.location = -300, 200
mat.node_tree.links.new(output_node.inputs[2], disp_node.outputs[0])
if not dispTxt_node:
dispTxt_node = nodes.new('ShaderNodeTexImage')
dispTxt_node.location = -700, 200
dispTxt_node.image = disp
dispTxt_node.label = 'Displacement Map'
dispTxt_node.image.colorspace_settings.name = pref.import_displace_colorspace
mat.node_tree.links.new(disp_node.inputs[3], dispTxt_node.outputs[0])
if pref.import_material == 'POLYPAINT':
vcol_node = False
for node in nodes:
if node.bl_idname == 'ShaderNodeVertexColor':
if pref.import_polypaint_name in node.layer_name:
vcol_node = nodes.get(node.name)
if not vcol_node:
vcol_node = nodes.new('ShaderNodeVertexColor')
vcol_node.location = -300, 200
vcol_node.layer_name = pref.import_polypaint_name
mat.node_tree.links.new(shader_node.inputs[0], vcol_node.outputs[0])
def apply_transformation(me, is_import=True):
pref = bpy.context.preferences.addons[__package__.split(".")[0]].preferences
mat_transform = None
scale = 1.0
if pref.use_scale == 'BUNITS':
scale = bpy.context.scene.unit_settings.scale_length
if pref.use_scale == 'MANUAL':
scale = 1/pref.manual_scale
if pref.use_scale == 'ZUNITS':
if bpy.context.active_object:
obj = bpy.context.active_object
i, max = max_list_value(obj.dimensions)
scale = 1 / pref.zbrush_scale * max
#print("unit scale 2: ", obj.dimensions, i, max, scale, obj.dimensions * scale)
#import
if pref.flip_up_axis: # fixes bad mesh orientation for some people
if pref.flip_forward_axis:
if is_import:
me.transform(mathutils.Matrix([
(-1., 0., 0., 0.),
(0., 0., -1., 0.),
(0., 1., 0., 0.),
(0., 0., 0., 1.)]) * scale
)
me.flip_normals()
else:
#export
mat_transform = mathutils.Matrix([
(1., 0., 0., 0.),
(0., 0., 1., 0.),
(0., -1., 0., 0.),
(0., 0., 0., 1.)]) * (1/scale)
else:
if is_import:
#import
me.transform(mathutils.Matrix([
(-1., 0., 0., 0.),
(0., 0., 1., 0.),
(0., 1., 0., 0.),
(0., 0., 0., 1.)]) * scale
)
else:
#export
mat_transform = mathutils.Matrix([
(-1., 0., 0., 0.),
(0., 0., 1., 0.),
(0., 1., 0., 0.),
(0., 0., 0., 1.)]) * (1/scale)
else:
if pref.flip_forward_axis:
if is_import:
#import
me.transform(mathutils.Matrix([
(1., 0., 0., 0.),
(0., 0., -1., 0.),
(0., -1., 0., 0.),
(0., 0., 0., 1.)]) * scale
)
me.flip_normals()
else:
#export
mat_transform = mathutils.Matrix([
(-1., 0., 0., 0.),
(0., 0., -1., 0.),
(0., -1., 0., 0.),
(0., 0., 0., 1.)]) * (1/scale)
else:
if is_import:
#import
me.transform(mathutils.Matrix([
(1., 0., 0., 0.),
(0., 0., 1., 0.),
(0., -1., 0., 0.),
(0., 0., 0., 1.)]) * scale
)
else:
#export
mat_transform = mathutils.Matrix([
(1., 0., 0., 0.),
(0., 0., -1., 0.),
(0., 1., 0., 0.),
(0., 0., 0., 1.)]) * (1/scale)
return me, mat_transform
def profiler(start_time=0, string=None):
elapsed = time.time()
print("{:.4f}".format(elapsed-start_time), "<< ", string)
start_time = time.time()
return start_time
def max_list_value(list):
i = numpy.argmax(list)
v = list[i]
return (i, v)
def avg_list_value(list):
avgData=[]
for obj in list:
i = numpy.argmax(obj)
avgData.append(obj[i])
avg = numpy.average(avgData)
return (avg)
def run_import_periodically():
# print("Runing timers update check")
global cached_last_edition_time, run_background_update
try:
file_edition_time = os.path.getmtime(f"{PATHGOZ}/GoZBrush/GoZ_ObjectList.txt")
except Exception as e:
print(e)
run_background_update = False
if bpy.app.timers.is_registered(run_import_periodically):
bpy.app.timers.unregister(run_import_periodically)
return time_interval
if file_edition_time > cached_last_edition_time:
cached_last_edition_time = file_edition_time
# ! cant get proper context from timers for now. Override context: https://developer.blender.org/T62074
window = bpy.context.window_manager.windows[0]
ctx = {'window': window, 'screen': window.screen, 'workspace': window.workspace}
bpy.ops.scene.gob_import(ctx) #only call operator update is found (executing operatros is slow)
else:
# print("GOZ: Nothing to update")
return time_interval
if not run_background_update and bpy.app.timers.is_registered(run_import_periodically):
bpy.app.timers.unregister(run_import_periodically)
return time_interval
class GoB_OT_export(bpy.types.Operator):
bl_idname = "scene.gob_export"
bl_label = "Export to ZBrush"
bl_description = "Export to ZBrush"
@staticmethod
def apply_modifiers(obj, pref):
dg = bpy.context.evaluated_depsgraph_get()
if pref.export_modifiers == 'APPLY_EXPORT':
# me = object_eval.to_mesh() #with modifiers - crash need to_mesh_clear()?
me = bpy.data.meshes.new_from_object(obj.evaluated_get(dg), preserve_all_data_layers=True, depsgraph=dg)
obj.data = me
obj.modifiers.clear()
elif pref.export_modifiers == 'ONLY_EXPORT':
me = bpy.data.meshes.new_from_object(obj.evaluated_get(dg), preserve_all_data_layers=True, depsgraph=dg)
else:
me = obj.data
#DO the triangulation of Ngons only, but do not write it to original object.
bm = bmesh.new()
bm.from_mesh(me)
#join traingles only that are result of ngon triangulation
for f in bm.faces:
if len(f.edges) > 4:
result = bmesh.ops.triangulate(bm, faces=[f])
bmesh.ops.join_triangles(bm, faces= result['faces'],
cmp_seam=False, cmp_sharp=False, cmp_uvs=False,
cmp_vcols=False,cmp_materials=False,
angle_face_threshold=(math.pi), angle_shape_threshold=(math.pi))
export_mesh = bpy.data.meshes.new(name=f'{obj.name}_goz') # mesh is deleted in main loop anyway
bm.to_mesh(export_mesh)
bm.free()
return export_mesh
def exportGoZ(self, path, scn, obj, pathImport):
pref = bpy.context.preferences.addons[__package__.split(".")[0]].preferences
if pref.performance_profiling:
print("\n", 100*"=")
start_time = profiler(time.time(), "Start Export Profiling")
start_total_time = profiler(time.time(), "")
# TODO: when linked system is finalized it could be possible to provide
# a option to modify the linked object. for now a copy
# of the linked object is created to goz it
if obj.type == 'MESH':
if obj.library:
new_ob = obj.copy()
new_ob.data = obj.data.copy()
scn.collection.objects.link(new_ob)
new_ob.select_set(state=True)
obj.select_set(state=False)
bpy.context.view_layer.objects.active = new_ob
if pref.performance_profiling:
start_time = profiler(start_time, "Linked Object")
me = self.apply_modifiers(obj, pref)
me.calc_loop_triangles()
me, mat_transform = apply_transformation(me, is_import=False)
if pref.performance_profiling:
start_time = profiler(start_time, "Make Mesh")
with open(pathImport + '/{0}.GoZ'.format(obj.name), 'wb') as goz_file:
numFaces = len(me.polygons)
numVertices = len(me.vertices)
# --File Header--
goz_file.write(b"GoZb 1.0 ZBrush GoZ Binary")
goz_file.write(pack('<6B', 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E))
goz_file.write(pack('<I', 1)) # obj tag
goz_file.write(pack('<I', len(obj.name)+24))
goz_file.write(pack('<Q', 1))
if pref.performance_profiling:
start_time = profiler(start_time, "Write File Header")
# --Object Name--
goz_file.write(b'GoZMesh_' + obj.name.encode('utf-8'))
goz_file.write(pack('<4B', 0x89, 0x13, 0x00, 0x00))
goz_file.write(pack('<I', 20))
goz_file.write(pack('<Q', 1))
goz_file.write(pack('<I', 0))
if pref.performance_profiling:
start_time = profiler(start_time, "Write Object Name")
# --Vertices--
goz_file.write(pack('<4B', 0x11, 0x27, 0x00, 0x00))
goz_file.write(pack('<I', numVertices*3*4+16))
goz_file.write(pack('<Q', numVertices))
for vert in me.vertices:
modif_coo = obj.matrix_world @ vert.co # @ is used for matrix multiplications
modif_coo = mat_transform @ modif_coo
goz_file.write(pack('<3f', modif_coo[0], modif_coo[1], modif_coo[2]))
if pref.performance_profiling:
start_time = profiler(start_time, "Write Vertices")
# --Faces--
goz_file.write(pack('<4B', 0x21, 0x4E, 0x00, 0x00))
goz_file.write(pack('<I', numFaces*4*4+16))
goz_file.write(pack('<Q', numFaces))
for face in me.polygons:
if len(face.vertices) == 4:
goz_file.write(pack('<4I', face.vertices[0],
face.vertices[1],
face.vertices[2],
face.vertices[3]))
elif len(face.vertices) == 3:
goz_file.write(pack('<3I4B', face.vertices[0],
face.vertices[1],
face.vertices[2],
0xFF, 0xFF, 0xFF, 0xFF))
if pref.performance_profiling:
start_time = profiler(start_time, "Write Faces")
# --UVs--
if me.uv_layers.active:
uv_layer = me.uv_layers[0]
goz_file.write(pack('<4B', 0xA9, 0x61, 0x00, 0x00))
goz_file.write(pack('<I', len(me.polygons)*4*2*4+16))
goz_file.write(pack('<Q', len(me.polygons)))
for face in me.polygons:
for i, loop_index in enumerate(face.loop_indices):
goz_file.write(pack('<2f', uv_layer.data[loop_index].uv.x, 1. - uv_layer.data[loop_index].uv.y))
if i == 2:
goz_file.write(pack('<2f', 0., 1.))
if pref.performance_profiling:
start_time = profiler(start_time, "Write UV")
# --Polypaint--
if me.vertex_colors.active:
vcoldata = me.vertex_colors.active.data # color[loop_id]
vcolArray = bytearray([0] * numVertices * 3)
#fill vcArray(vert_idx + rgb_offset) = color_xyz
for loop in me.loops: #in the end we will fill verts with last vert_loop color
vert_idx = loop.vertex_index
vcolArray[vert_idx*3] = int(255*vcoldata[loop.index].color[0])
vcolArray[vert_idx*3+1] = int(255*vcoldata[loop.index].color[1])
vcolArray[vert_idx*3+2] = int(255*vcoldata[loop.index].color[2])
goz_file.write(pack('<4B', 0xb9, 0x88, 0x00, 0x00))
goz_file.write(pack('<I', numVertices*4+16))
goz_file.write(pack('<Q', numVertices))
for i in range(0, len(vcolArray), 3):
goz_file.write(pack('<B', vcolArray[i+2]))
goz_file.write(pack('<B', vcolArray[i+1]))
goz_file.write(pack('<B', vcolArray[i]))
goz_file.write(pack('<B', 0))
vcolArray.clear()
if pref.performance_profiling:
start_time = profiler(start_time, "Write Polypaint")
# --Mask--
if not pref.export_clear_mask:
for vertexGroup in obj.vertex_groups:
if vertexGroup.name.lower() == 'mask':
goz_file.write(pack('<4B', 0x32, 0x75, 0x00, 0x00))
goz_file.write(pack('<I', numVertices*2+16))
goz_file.write(pack('<Q', numVertices))
for i in range(numVertices):
try:
goz_file.write(pack('<H', int((1.0 - vertexGroup.weight(i)) * 65535)))
except:
goz_file.write(pack('<H', 65535))
if pref.performance_profiling:
start_time = profiler(start_time, "Write Mask")
# --Polygroups--
if not pref.export_polygroups == 'NONE':
print("Export Polygroups: ", pref.export_polygroups)
import random
#Polygroups from Face Maps
if pref.export_polygroups == 'FACE_MAPS':
print(obj.face_maps.items)
if obj.face_maps.items:
goz_file.write(pack('<4B', 0x41, 0x9C, 0x00, 0x00))
goz_file.write(pack('<I', numFaces*2+16))
goz_file.write(pack('<Q', numFaces))
groupColor=[]
#create a color for each facemap (0xffff)
for fm in obj.face_maps:
randcolor = "%5x" % random.randint(0x1111, 0xFFFF)
color = int(randcolor, 16)
groupColor.append(color)
if me.face_maps:
for index, map in enumerate(me.face_maps[0].data):
if map.value >= 0:
goz_file.write(pack('<H', groupColor[map.value]))