Files
blender-portable-repo/scripts/addons/Substance3DInBlender/shader/manager.py
T
2026-03-17 14:30:01 -06:00

114 lines
4.1 KiB
Python

"""
Copyright (C) 2023 Adobe.
This program is free software: you can redistribute it and/or modify
it under theshad terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
"""
# file: shader/manager.py
# brief: Shader presets operation manager
# author Adobe - 3D & Immersive
# copyright 2023 Adobe Inc. All rights reserved.
import os
import traceback
from .shader import ShaderPreset
from ..utils import SUBSTANCE_Utils
from ..factory.shader import SUBSTANCE_ShaderFactory
from ..common import (
Code_Response,
ADDON_ROOT
)
class SUBSTANCE_ShaderManager():
def __init__(self):
self.shaders = {}
def initialize(self, addon_prefs):
_shaders_dir = os.path.join(ADDON_ROOT, "_presets/default").replace('\\', '/')
for _filepath in os.listdir(_shaders_dir):
# Load the shader presets
_result = self.load(_filepath)
if _result[0] != Code_Response.success:
SUBSTANCE_Utils.log_data(
"ERROR",
"Substance file [{}] could not be loaded".format(
_filepath),
display=True)
continue
_shader_preset = ShaderPreset(_filepath, _result[1])
_new_shader = addon_prefs.shaders.add()
_new_shader.init(_shader_preset)
self.register(_shader_preset)
SUBSTANCE_Utils.log_data("INFO", "Shader Presets [{}] initialized...".format(_filepath))
return (Code_Response.success, None)
def load(self, filename):
try:
_path = SUBSTANCE_Utils.get_shader_file(filename)
_data = SUBSTANCE_Utils.get_json(_path)
return (Code_Response.success, _data)
except Exception:
return (Code_Response.shader_preset_load_error, None)
def register(self, shader):
self.shaders[shader.filename] = shader
_result = SUBSTANCE_ShaderFactory.register_class(shader)
return _result
def remove_presets(self, shader_presets):
try:
return Code_Response.success
except Exception:
SUBSTANCE_Utils.log_data("ERROR", "Exception - Shader Preset removal error:")
SUBSTANCE_Utils.log_traceback(traceback.format_exc())
return Code_Response.shader_preset_remove_error
def save_presets(self, shader_preset):
try:
_default_shader_file = os.path.join(
ADDON_ROOT,
"_presets/default/" + shader_preset["filename"]).replace('\\', '/')
_custom_shader_file = os.path.join(
ADDON_ROOT,
"_presets/custom/" + shader_preset["filename"]).replace('\\', '/')
_custom_shader_path = os.path.join(
ADDON_ROOT,
"_presets/custom").replace('\\', '/')
# Read Original Shader Preset
if not os.path.exists(_default_shader_file):
return Code_Response.shader_preset_default_not_exist_error
_data = SUBSTANCE_Utils.get_json(_default_shader_file)
_data["inputs"] = shader_preset["inputs"]
_data["outputs"] = shader_preset["outputs"]
# Write Custom Shader Preset
if not os.path.exists(_custom_shader_path):
os.mkdir(_custom_shader_path)
SUBSTANCE_Utils.set_json(_custom_shader_file, _data)
return Code_Response.success
except Exception:
SUBSTANCE_Utils.log_data("ERROR", "Exception - Shader Preset saving error:")
SUBSTANCE_Utils.log_traceback(traceback.format_exc())
return Code_Response.shader_preset_save_error