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custom properties are exported as datasmith metadata #76

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32 changes: 32 additions & 0 deletions addons/bl_datasmith/export_datasmith.py
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Original file line number Diff line number Diff line change
Expand Up @@ -525,6 +525,7 @@ def fill_obj_mesh(obj_dict, bl_obj):
fields.append('\t<material id="%i" name="%s"/>\n' % (idx, safe_name))



def fill_obj_light(obj_dict, target):
obj_dict["type"] = "Light"

Expand Down Expand Up @@ -1206,6 +1207,33 @@ def collect_anims(context, new_iterator: bool, use_instanced_meshes: bool):

datasmith_context = None

def collect_object_metadata(bl_obj):
name = sanitize_name(bl_obj.name)

# Create MetaData node
meta_node = Node("MetaData", {
"name": name,
"reference": f"Actor.{name}"
})

for key in bl_obj.keys():
if key == "_RNA_UI":
continue
value = bl_obj[key]
value_str = str(value)

kv = Node("KeyValueProperty", {
"name": key,
"type": "String",
"val": value_str
})

meta_node.push(kv)

# Store it so collect_and_save() can push it later
datasmith_context["metadata"].append(meta_node)



def collect_and_save(context, args, save_path):
start_time = time.monotonic()
Expand Down Expand Up @@ -1238,6 +1266,10 @@ def collect_and_save(context, args, save_path):
log.info("USE NEW OBJECT ITERATOR")
obj_output = collect_depsgraph(objects, use_instanced_meshes, selected_only)

# Collect metadata for each object
for bl_obj in bpy.context.scene.objects:
collect_object_metadata(bl_obj)

anims = []
if export_animations:
anims = collect_anims(context, not use_old_iterator, use_instanced_meshes)
Expand Down