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gob_export.py
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gob_export.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 os
import time
import shutil
from struct import pack
from subprocess import Popen
from bpy.types import Operator
from bpy.props import BoolProperty
from . import paths, utils, geometry, ui
class GoB_OT_export(Operator):
bl_idname = "scene.gob_export"
bl_label = "Export to ZBrush"
bl_description = "Export selected Objects to ZBrush"
as_tool: BoolProperty(
name="Export As Tool",
description="Export as a tool instead of a subtool",
default=False,
)
@classmethod
def poll(cls, context):
return geometry.export_poll(cls, context)
def exportGoZ(self, scn, obj, path_export):
PATH_PROJECT = os.path.join(utils.prefs().project_path).replace("\\", "/")
if utils.prefs().performance_profiling:
print("\n", 100*"=")
start_time = utils.profiler(time.perf_counter(), "Export Profiling: " + obj.name)
start_total_time = utils.profiler(time.perf_counter(), 80*"=")
me = geometry.apply_modifiers(obj)
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Make Mesh apply_modifiers")
me.calc_loop_triangles()
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Make Mesh calc_loop_triangles")
me, mat_transform = geometry.apply_transformation(me, is_import=False)
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Make Mesh apply_transformation")
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Make Mesh export")
fileExt = '.bmp'
# write GoB ZScript variables
with open(paths.PATH_VARS , 'wb') as GoBVars:
GoBVars.write(pack('<4B', 0xE9, 0x03, 0x00, 0x00))
#list size
GoBVars.write(pack('<1B', 0x07)) #NOTE: n list items, update this when adding new items to list
GoBVars.write(pack('<2B', 0x00, 0x00))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write list size")
# 0: fileExtension
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
GoBVars.write(b'.GoZ')
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write fileExtension")
# 1: textureFormat
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
GoBVars.write(b'.bmp')
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write textureFormat")
# 2: diffTexture suffix
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
name = utils.prefs().import_diffuse_suffix
GoBVars.write(name.encode('utf-8'))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write diffTexture suffix")
# 3: normTexture suffix
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
name = utils.prefs().import_normal_suffix
GoBVars.write(name.encode('utf-8'))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write normTexture suffix")
# 4: dispTexture suffix
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
name = utils.prefs().import_displace_suffix
GoBVars.write(name.encode('utf-8'))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write dispTexture suffix")
#5: GoB version
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
GoBVars.write(utils.gob_version().encode('utf-8'))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write GoB version")
# 6: Project Path
GoBVars.write(pack('<2B',0x00, 0x53)) #.S
name = utils.prefs().project_path
GoBVars.write(name.encode('utf-8'))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " variablesFile: Write Project Path")
#end
GoBVars.write(pack('<B', 0x00)) #.
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "variablesFile: Write GoB_variables")
with open(os.path.join(path_export + '/{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 utils.prefs().performance_profiling:
start_time = utils.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 utils.prefs().performance_profiling:
start_time = utils.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 utils.prefs().performance_profiling:
start_time = utils.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 utils.prefs().performance_profiling:
start_time = utils.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)))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " UV: polygones")
for face in me.polygons:
for loop_index in face.loop_indices:
uv = uv_layer.data[loop_index].uv
goz_file.write(pack('<2f', uv.x, 1.0 - uv.y))
if len(face.loop_indices) == 3:
goz_file.write(pack('<2f', 0.0, 1.0))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " UV: write uvs")
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write UV")
# --Polypaint--
if bpy.app.version < (3,4,0):
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])
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: loop")
goz_file.write(pack('<4B', 0xb9, 0x88, 0x00, 0x00))
goz_file.write(pack('<I', numVertices*4+16))
goz_file.write(pack('<I', numVertices))
goz_file.write(pack("<f", 0))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: write 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))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: write color")
vcolArray.clear()
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: vcolArray.clear")
else:
# get active color attribut from obj (obj.data.color_attributes).
# The temp mesh (me.) has no active color (use obj.data. instead of me.!)
if obj.data.color_attributes.active_color_name and obj.data.color_attributes.active_color_index >= 0:
vcolArray = geometry.get_vertex_colors(obj, numVertices)
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: vcolArray")
goz_file.write(pack('<4B', 0xb9, 0x88, 0x00, 0x00))
goz_file.write(pack('<I', numVertices*4+16))
goz_file.write(pack('<I', numVertices))
goz_file.write(pack("<f", 0))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: write numVertices")
vcol_data = bytearray()
for i in range(0, len(vcolArray), 3):
vcol_data.extend(pack('<4B', vcolArray[i+2], vcolArray[i+1], vcolArray[i], 0))
goz_file.write(vcol_data)
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: write color")
vcolArray.clear()
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, " Polypaint: vcolArray.clear")
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write Polypaint")
# --Mask--
if not utils.prefs().export_clear_mask:
for vertexGroup in obj.vertex_groups:
if vertexGroup.name.lower() in {'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 Exception as e:
#print("no vertex group: ", e)
goz_file.write(pack('<H', 65535))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write Mask")
# --Polygroups--
if not utils.prefs().export_polygroups == 'NONE':
if utils.prefs().debug_output:
print("Export Polygroups: ", utils.prefs().export_polygroups)
#Polygroups from Face Maps
"""
if utils.prefs().export_polygroups == 'FACE_MAPS':
if utils.prefs().debug_output:
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 faceMap in obj.face_maps:
if faceMap:
color = geom.random_color()
groupColor.append(color)
else:
groupColor.append(65504)
if me.face_maps and len(obj.face_maps) > 0:
for index, map in enumerate(me.face_maps[0].data):
if map.value < 0: #write default polygroup color
goz_file.write(pack('<H', 65504))
else:
if utils.prefs().debug_output:
print("face_maps PG color: ", map.value, groupColor[map.value], numFaces)
goz_file.write(pack('<H', groupColor[map.value]))
else: #assign empty when no face maps are found
for face in me.polygons:
if utils.prefs().debug_output:
print("write empty color for PG face", face.index)
goz_file.write(pack('<H', 65504))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write Polygroup FaceMaps")
#"""
# Polygroups from Vertex Groups
if utils.prefs().export_polygroups == 'VERTEX_GROUPS':
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 vg in obj.vertex_groups:
color = utils.random_color()
groupColor.append(color)
#add a color for elements that are not part of a vertex group
groupColor.append(0)
'''
# create a list of each vertex group assignement so one vertex can be in x amount of groups
# then check for each face to which groups their vertices are MOST assigned to
# and choose that group for the polygroup color if its on all vertices of the face
'''
if len(obj.vertex_groups) > 0:
vgData = []
for face in me.polygons:
vgData.append([])
for vert in face.vertices:
for vg in me.vertices[vert].groups:
if vg.weight >= utils.prefs().export_weight_threshold and obj.vertex_groups[vg.group].name.lower() != 'mask':
vgData[face.index].append(vg.group)
if vgData[face.index]:
group = max(vgData[face.index], key = vgData[face.index].count)
count = vgData[face.index].count(group)
#print(vgData[face.index])
#print("face:", face.index, "verts:", len(face.vertices), "elements:", count,
#"\ngroup:", group, "color:", groupColor[group] )
if len(face.vertices) == count:
#print(face.index, group, groupColor[group], count)
goz_file.write(pack('<H', groupColor[group]))
else:
goz_file.write(pack('<H', 65504))
else:
goz_file.write(pack('<H', 65504))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write Polygroup Vertex groups")
# Polygroups from materials
if utils.prefs().export_polygroups == 'MATERIALS':
#print("material slots: ", len(obj.material_slots))
if len(obj.material_slots) > 0:
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 material slot (0xffff)
for mat in obj.material_slots:
if mat:
color = geometry.random_color()
groupColor.append(color)
else:
groupColor.append(65504)
for f in me.polygons: # iterate over faces
#print(f.index, f.material_index, groupColor[f.material_index], numFaces, len(me.polygons))
goz_file.write(pack('<H', groupColor[f.material_index]))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write Polygroup materials")
# Diff, disp_texture and norm_texture maps
diff_texture = None
disp_texture = None
norm_texture = None
for mat in obj.material_slots:
if mat.name:
material = bpy.data.materials[mat.name]
if material.use_nodes:
#print("material:", mat.name, "using nodes \n")
for node in material.node_tree.nodes:
#print("node: ", node.type)
if node.type in {'TEX_IMAGE'} and node.image:
#print("IMAGES: ", node.image.name, node.image)
if (utils.prefs().import_diffuse_suffix) in node.image.name:
diff_texture = node.image
if (utils.prefs().import_displace_suffix) in node.image.name:
disp_texture = node.image
if (utils.prefs().import_normal_suffix) in node.image.name:
norm_texture = node.image
elif node.type in {'GROUP'}:
print("group found")
user_file_fomrat = scn.render.image_settings.file_format
scn.render.image_settings.file_format = 'BMP'
#fileExt = ('.' + utils.prefs().texture_format.lower())
fileExt = '.bmp'
if diff_texture:
name = PATH_PROJECT + obj.name + utils.prefs().import_diffuse_suffix + fileExt
try:
diff_texture.save_render(name)
print(name)
except Exception as e:
print(e)
name = name.encode('utf8')
goz_file.write(pack('<4B', 0xc9, 0xaf, 0x00, 0x00))
goz_file.write(pack('<I', len(name)+16))
goz_file.write(pack('<Q', 1))
goz_file.write(pack('%ss' % len(name), name))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write diff_texture")
if disp_texture:
name = PATH_PROJECT + obj.name + utils.prefs().import_displace_suffix + fileExt
try:
disp_texture.save_render(name)
print(name)
except Exception as e:
print(e)
name = name.encode('utf8')
goz_file.write(pack('<4B', 0xd9, 0xd6, 0x00, 0x00))
goz_file.write(pack('<I', len(name)+16))
goz_file.write(pack('<Q', 1))
goz_file.write(pack('%ss' % len(name), name))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write disp_texture")
if norm_texture:
name = PATH_PROJECT + obj.name + utils.prefs().import_normal_suffix + fileExt
try:
norm_texture.save_render(name)
print(name)
except Exception as e:
print(e)
name = name.encode('utf8')
goz_file.write(pack('<4B', 0x51, 0xc3, 0x00, 0x00))
goz_file.write(pack('<I', len(name)+16))
goz_file.write(pack('<Q', 1))
goz_file.write(pack('%ss' % len(name), name))
if utils.prefs().performance_profiling:
start_time = utils.profiler(start_time, "Write norm_texture")
# end
goz_file.write(pack('16x'))
if utils.prefs().performance_profiling:
utils.profiler(start_time, "Write Textures")
print(30*"-")
utils.profiler(start_total_time, "Total Export Time")
print(30*"=")
bpy.data.meshes.remove(me)
#restore user file format
scn.render.image_settings.file_format = user_file_fomrat
return
def execute(self, context):
if utils.prefs().custom_pixologoc_path:
paths.PATH_GOZ = utils.prefs().pixologoc_path
PATH_PROJECT = os.path.join(utils.prefs().project_path)
#setup GoZ configuration
#if not os.path.isfile(f"{paths.PATH_GOZ}/GoZApps/Blender/GoZ_Info.txt"):
try: #install in GoZApps if missing
source_GoZ_Info = os.path.join(f"{paths.PATH_GOB}/Blender/")
target_GoZ_Info = os.path.join(f"{paths.PATH_GOZ}/GoZApps/Blender/")
print(source_GoZ_Info, target_GoZ_Info)
shutil.copytree(source_GoZ_Info, target_GoZ_Info, symlinks=True)
except FileExistsError: #if blender folder is found update the info file
source_GoZ_Info = os.path.join(f"{paths.PATH_GOB}/Blender/GoZ_Info.txt")
target_GoZ_Info = os.path.join(f"{paths.PATH_GOZ}/GoZApps/Blender/GoZ_Info.txt")
shutil.copy2(source_GoZ_Info, target_GoZ_Info)
#write blender path to GoZ configuration
#if not os.path.isfile(f"{paths.PATH_GOZ}/GoZApps/Blender/GoZ_Config.txt"):
with open(os.path.join(f"{paths.PATH_GOZ}/GoZApps/Blender/GoZ_Config.txt"), 'wt') as GoB_Config:
blender_path = os.path.join(f"{paths.PATH_BLENDER}").replace('\\', '/')
GoB_Config.write(f'PATH = "{blender_path}"')
#specify GoZ application
with open(os.path.join(f"{paths.PATH_GOZ}/GoZBrush/GoZ_Application.txt"), 'wt') as GoZ_Application:
GoZ_Application.write("Blender")
except Exception as e:
print(e)
#update project path
#print("Project file path: ", f"{paths.PATH_GOZ}/GoZBrush/GoZ_ProjectPath.txt")
with open(os.path.join(f"{paths.PATH_GOZ}/GoZBrush/GoZ_ProjectPath.txt"), 'wt') as GoZ_Application:
GoZ_Application.write(PATH_PROJECT)
# remove ZTL files since they mess up Zbrush importing subtools
if utils.prefs().clean_project_path:
for file_name in os.listdir(PATH_PROJECT):
#print(file_name)
if file_name.endswith(('GoZ', '.ztn', '.ZTL')):
#print('cleaning file:', file_name)
os.remove(PATH_PROJECT + file_name)
"""
# a object can either be imported as tool or as subtool in zbrush
# the IMPORT_AS_SUBTOOL needs to be changed in ../Pixologic/GoZBrush/GoZ_Config.txt
# for zbrush to recognize the import mode
GoZ_Config.txt
PATH = "C:/PROGRAM FILES/PIXOLOGIC/ZBRUSH 2021/ZBrush.exe"
IMPORT_AS_SUBTOOL = TRUE
SHOW_HELP_WINDOW = TRUE
"""
import_as_subtool = 'IMPORT_AS_SUBTOOL = TRUE'
import_as_tool = 'IMPORT_AS_SUBTOOL = FALSE'
try:
with open(paths.PATH_CONFIG) as r:
# IMPORT AS SUBTOOL
r = r.read().replace('\t', ' ') #fix indentations in source data
if self.as_tool:
new_config = r.replace(import_as_subtool, import_as_tool)
# IMPORT AS TOOL
else:
new_config = r.replace(import_as_tool, import_as_subtool)
with open(paths.PATH_CONFIG, "w") as w:
w.write(new_config)
except Exception as e:
print("Goz config missing, writing file ", e)
#write blender path to GoZ configuration
#if not os.path.isfile(f"{paths.PATH_GOZ}/GoZApps/Blender/GoZ_Config.txt"):
with open(os.path.join(f"{paths.PATH_GOZ}/GoZApps/Blender/GoZ_Config.txt"), 'wt') as GoB_Config:
GoB_Config.write(f"PATH = \'{paths.PATH_BLENDER}\'")
currentContext = 'OBJECT'
if context.object and context.object.mode != 'OBJECT':
currentContext = context.object.mode
bpy.ops.object.mode_set(mode='OBJECT')
wm = context.window_manager
wm.progress_begin(0,100)
step = 100 / len(context.selected_objects)
surface_types = ['SURFACE', 'CURVE', 'FONT', 'META']
with open(paths.PATH_OBJLIST, 'wt') as GoZ_ObjectList:
for i, obj in enumerate(context.selected_objects):
if obj.type in surface_types:
"""
# Avoid annoying None checks later on.
if obj.type not in {'MESH', 'CURVE', 'SURFACE', 'FONT', 'META'}:
self.report({'INFO'}, "Object can not be converted to mesh")
return {'CANCELLED'}
depsgraph = context.evaluated_depsgraph_get()
# Invoke to_mesh() for original object.
mesh_from_orig = obj.to_mesh()
self.report({'INFO'}, f"{len(mesh_from_orig.vertices)} in new mesh without modifiers.")
# Remove temporary mesh.
obj.to_mesh_clear()
# Invoke to_mesh() for evaluated object.
object_eval = obj.evaluated_get(depsgraph)
mesh_from_eval = object_eval.to_mesh()
self.report({'INFO'}, f"{len(mesh_from_eval.vertices)} in new mesh with modifiers.")
# Remove temporary mesh.
object_eval.to_mesh_clear()
#"""
depsgraph = context.evaluated_depsgraph_get()
obj_to_convert = obj.evaluated_get(depsgraph)
#mesh_tmp = obj.to_mesh(preserve_all_data_layers=True, depsgraph=depsgraph)
mesh_tmp = bpy.data.meshes.new_from_object(obj_to_convert)
mesh_tmp.transform(obj.matrix_world)
obj_tmp = bpy.data.objects.new((obj.name + '_' + obj.type), mesh_tmp)
if utils.prefs().export_merge:
geometry.mesh_welder(obj_tmp)
if len(mesh_tmp.polygons):
print("GoB: ", obj_tmp.name, mesh_tmp.name, len(mesh_tmp.polygons), sep=' / ')
self.escape_object_name(obj_tmp)
self.exportGoZ(context.scene, obj_tmp, f'{PATH_PROJECT}')
with open( f"{PATH_PROJECT}{obj_tmp.name}.ztn", 'wt') as ztn:
ztn.write(f'{PATH_PROJECT}{obj_tmp.name}')
GoZ_ObjectList.write(f'{PATH_PROJECT}{obj_tmp.name}\n')
#cleanup temp mesh
bpy.data.meshes.remove(mesh_tmp)
elif obj.type in {'MESH'}:
depsgraph = bpy.context.evaluated_depsgraph_get()
# if one or less objects check amount of faces, 0 faces will crash zbrush
if not utils.prefs().export_modifiers == 'IGNORE':
object_eval = obj.evaluated_get(depsgraph)
numFaces = len(object_eval.data.polygons)
else:
numFaces = len(obj.data.polygons)
if numFaces > 0:
geometry.process_linked_objects(obj)
geometry.remove_internal_faces(obj)
self.escape_object_name(obj)
self.exportGoZ(context.scene, obj, f'{PATH_PROJECT}')
with open( f"{PATH_PROJECT}{obj.name}.ztn", 'wt') as ztn:
ztn.write(f'{PATH_PROJECT}{obj.name}')
GoZ_ObjectList.write(f'{PATH_PROJECT}{obj.name}\n')
else:
ui.ShowReport(self, ["Object: ", obj.name], "GoB: ZBrush can not import objects without faces", 'COLORSET_01_VEC')
else:
ui.ShowReport(self, [obj.type, obj.name], "GoB: unsupported obj.type found:", 'COLORSET_01_VEC')
#print("GoB: unsupported obj.type found:", obj.type, obj.name)
wm.progress_update(step * i)
wm.progress_end()
global cached_last_edition_time
try:
cached_last_edition_time = os.path.getmtime(paths.PATH_OBJLIST)
except Exception as e:
print(e)
# only run if PATH_OBJLIST file file is not empty, else zbrush errors
if not paths.is_file_empty(paths.PATH_OBJLIST) and not utils.prefs().debug_dry_export:
path_exists = paths.find_zbrush(self, context, paths.isMacOS)
if not path_exists:
bpy.ops.gob.search_zbrush('INVOKE_DEFAULT')
else:
if paths.isMacOS:
print("OSX Popen: ", utils.prefs().zbrush_exec)
Popen(['open', '-a', utils.prefs().zbrush_exec, paths.PATH_SCRIPT])
else: #windows
print("Windows Popen: ", utils.prefs().zbrush_exec)
Popen([utils.prefs().zbrush_exec, paths.PATH_SCRIPT], shell=True)
if context.object: #restore object context
bpy.ops.object.mode_set(mode=currentContext)
return {'FINISHED'}
def escape_object_name(self, obj):
"""
Escape object name so it can be used as a valid file name.
Keep only alphanumeric characters, underscore, dash and dot, and replace other characters with an underscore.
Multiple consecutive invalid characters will be replaced with just a single underscore character.
"""
import re
suffix_pattern = '\.(.*)'
found_string = re.search(suffix_pattern, obj.name)
new_name = obj.name
if found_string:
# suffixes in zbrush longer than 1 symbol after a . (dot) require a specal addition
# of symbol+underline to be exported from zbrush, otherwise the whole suffix gets removed.
# Due to the complicated name that this would create, only the . (dot) for one symbol suffix are kept,
# the others are going to be replaced by a _ (underline) resulting from .001 to _001
if len(found_string.group()) > 2:
new_name = re.sub('[^\w\_\-]+', '_', obj.name)
else:
return
if new_name == obj.name:
return
i = 0
while new_name in bpy.data.objects.keys(): #while name collision with other scene objs,
name_cut = None if i == 0 else -2 #in first loop, do not slice name.
new_name = new_name[:name_cut] + str(i).zfill(2) #add two latters to end of obj name.
i += 1
obj.name = new_name