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Blender_bevy_components_workflow
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feat(Blenvy): unified & cleaned up node trees handling for materials/geonodes 

* manual tests are coherent, and allow for very fine grained changed detection, yeah !!
 * overhauled generic_fields_hasher_evolved a bit
 * fixed/ resolved issues with parameters handling for materials vs modifiers
 * related minor tweaks & fixes
This commit is contained in:
kaosat.dev 2024-06-02 00:14:24 +02:00
parent 91f38255dd
commit 0b5cdcc4a5
1 changed files with 27 additions and 22 deletions
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49
tools/blenvy/add_ons/auto_export/common/serialize_scene.py
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@ -1,3 +1,5 @@
import collections
import collections.abc
import inspect
import json
from mathutils import Color
@ -57,7 +59,13 @@ type_lookups = {
bpy.types.MaterialLineArt: _lookup_materialLineArt
}
def convert_field(raw_value, field_name=""):
def convert_field(raw_value, field_name="", scan_node_tree=True):
# nodes are a special case: # TODO: find out their types & move these to type lookups
if field_name in ["node_tree", "node_group"] and scan_node_tree:
print("scan node tree")
return node_tree(raw_value)
conversion_lookup = None # type_lookups.get(type(raw_value), None)
all_types = inspect.getmro(type(raw_value))
for s_type in all_types:
@ -75,18 +83,25 @@ def convert_field(raw_value, field_name=""):
return field_value
def obj_to_dict(object):
try:
return dict(object)
except:
return {}
# TODO: replace the first one with this once if its done
def generic_fields_hasher_evolved(data, fields_to_ignore):
def generic_fields_hasher_evolved(data, fields_to_ignore, scan_node_tree=True):
dict_data = obj_to_dict(data) # in some cases, some data is in the key/value pairs of the object
all_field_names = dir(data)
field_values = []
for field_name in all_field_names:
if not field_name.startswith("__") and not field_name in fields_to_ignore and not field_name.startswith("show") and not callable(getattr(data, field_name, None)):
raw_value = getattr(data, field_name, None)
#print("raw value", raw_value, "type", type(raw_value), isinstance(raw_value, Color), isinstance(raw_value, bpy.types.bpy_prop_array))
field_value = convert_field(raw_value, field_name)
field_value = convert_field(raw_value, field_name, scan_node_tree)
field_values.append(str(field_value))
return str(field_values)
return str(dict_data) + str(field_values)
# possible alternatives https://blender.stackexchange.com/questions/286010/bpy-detect-modified-mesh-data-vertices-edges-loops-or-polygons-for-cachin
def mesh_hash(obj):
@ -227,19 +242,15 @@ def node_tree(node_tree):
links_hashes.append(link_hash)
print("node hashes",nodes_hashes, "links_hashes", links_hashes)
#print("node hashes",nodes_hashes, "links_hashes", links_hashes)
print("root_inputs", root_inputs)
return f"{str(root_inputs)}_{str(nodes_hashes)}_{str(links_hashes)}"
def material_hash(material, settings):
print("material_hash", material.name, material.node_tree)
node_group = getattr(material, "node_tree", None)
hashed_material_except_node_tree = generic_fields_hasher_evolved(material, fields_to_ignore_generic + ['node_tree']) # we want to handle the node tree seperatly
if node_group is not None and settings.auto_export.materials_in_depth_scan:
hashed_node_tree = node_tree(node_group)
return str(hashed_material_except_node_tree) + str(hashed_node_tree)
else:
return str(hashed_material_except_node_tree)
scan_node_tree = settings.auto_export.materials_in_depth_scan
hashed_material_except_node_tree = generic_fields_hasher_evolved(material, fields_to_ignore_generic, scan_node_tree=scan_node_tree)
return str(hashed_material_except_node_tree)
# TODO: this is partially taken from export_materials utilities, perhaps we could avoid having to fetch things multiple times ?
def materials_hash(obj, cache, settings):
@ -262,15 +273,9 @@ def materials_hash(obj, cache, settings):
return str(hash(str(materials)))
def modifier_hash(modifier_data, settings):
node_group = getattr(modifier_data, "node_group", None)
hashed_modifier_except_node_tree = generic_fields_hasher_evolved(modifier_data, fields_to_ignore_generic)
if node_group is not None and settings.auto_export.modifiers_in_depth_scan:
print("modifier here")
hashed_node_tree = node_tree(node_group)
return str(hashed_modifier_except_node_tree) + str(hashed_node_tree)
else:
return str(hashed_modifier_except_node_tree)
scan_node_tree = settings.auto_export.modifiers_in_depth_scan
hashed_modifier = generic_fields_hasher_evolved(modifier_data, fields_to_ignore_generic, scan_node_tree=scan_node_tree)
return str(hashed_modifier)
def modifiers_hash(object, settings):