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# SPDX-FileCopyrightText: 2009-2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from bpy.types import Menu, Panel, UIList
from rna_prop_ui import PropertyPanel
class DataButtonsPanel:
bl_space_type = 'PROPERTIES'
bl_region_type = 'WINDOW'
bl_context = "data"
@classmethod
def poll(cls, context):
engine = context.scene.render.engine
return hasattr(context, "pointcloud") and context.pointcloud and (engine in cls.COMPAT_ENGINES)
class DATA_PT_context_pointcloud(DataButtonsPanel, Panel):
bl_label = ""
bl_options = {'HIDE_HEADER'}
COMPAT_ENGINES = {
'BLENDER_RENDER',
'BLENDER_EEVEE_NEXT',
'BLENDER_WORKBENCH',
}
def draw(self, context):
layout = self.layout
ob = context.object
pointcloud = context.pointcloud
space = context.space_data
if ob:
layout.template_ID(ob, "data")
elif pointcloud:
layout.template_ID(space, "pin_id")
class POINTCLOUD_MT_add_attribute(Menu):
bl_label = "Add Attribute"
@staticmethod
def add_standard_attribute(layout, pointcloud, name, data_type, domain):
exists = pointcloud.attributes.get(name) is not None
col = layout.column()
col.enabled = not exists
col.operator_context = 'EXEC_DEFAULT'
props = col.operator("geometry.attribute_add", text=name)
props.name = name
props.data_type = data_type
props.domain = domain
def draw(self, context):
layout = self.layout
pointcloud = context.pointcloud
self.add_standard_attribute(layout, pointcloud, "radius", 'FLOAT', 'POINT')
self.add_standard_attribute(layout, pointcloud, "color", 'FLOAT_COLOR', 'POINT')
self.add_standard_attribute(layout, pointcloud, "id", 'INT', 'POINT')
self.add_standard_attribute(layout, pointcloud, "velocity", 'FLOAT_VECTOR', 'POINT')
layout.separator()
layout.operator_context = 'INVOKE_DEFAULT'
layout.operator("geometry.attribute_add", text="Custom...")
class POINTCLOUD_UL_attributes(UIList):
def filter_items(self, _context, data, property):
attributes = getattr(data, property)
flags = []
indices = [i for i in range(len(attributes))]
# Filtering by name
if self.filter_name:
flags = bpy.types.UI_UL_list.filter_items_by_name(
self.filter_name, self.bitflag_filter_item, attributes, "name", reverse=self.use_filter_invert)
if not flags:
flags = [self.bitflag_filter_item] * len(attributes)
# Filtering internal attributes
for idx, item in enumerate(attributes):
flags[idx] = 0 if item.is_internal else flags[idx]
# Reorder by name.
if self.use_filter_sort_alpha:
indices = bpy.types.UI_UL_list.sort_items_by_name(attributes, "name")
return flags, indices
def draw_item(self, _context, layout, _data, attribute, _icon, _active_data, _active_propname, _index):
data_type = attribute.bl_rna.properties["data_type"].enum_items[attribute.data_type]
split = layout.split(factor=0.75)
split.emboss = 'NONE'
split.prop(attribute, "name", text="")
sub = split.row()
sub.alignment = 'RIGHT'
sub.active = False
sub.label(text=data_type.name)
class DATA_PT_pointcloud_attributes(DataButtonsPanel, Panel):
bl_label = "Attributes"
COMPAT_ENGINES = {
'BLENDER_RENDER',
'BLENDER_EEVEE_NEXT',
'BLENDER_WORKBENCH',
}
def draw(self, context):
pointcloud = context.pointcloud
layout = self.layout
row = layout.row()
col = row.column()
col.template_list(
"POINTCLOUD_UL_attributes",
"attributes",
pointcloud,
"attributes",
pointcloud.attributes,
"active_index",
rows=3,
)
col = row.column(align=True)
col.menu("POINTCLOUD_MT_add_attribute", icon='ADD', text="")
col.operator("geometry.attribute_remove", icon='REMOVE', text="")
class DATA_PT_custom_props_pointcloud(DataButtonsPanel, PropertyPanel, Panel):
COMPAT_ENGINES = {
'BLENDER_RENDER',
'BLENDER_EEVEE_NEXT',
'BLENDER_WORKBENCH',
}
_context_path = "object.data"
_property_type = bpy.types.PointCloud if hasattr(bpy.types, "PointCloud") else None
classes = (
DATA_PT_context_pointcloud,
DATA_PT_pointcloud_attributes,
DATA_PT_custom_props_pointcloud,
POINTCLOUD_MT_add_attribute,
POINTCLOUD_UL_attributes,
)
if __name__ == "__main__": # only for live edit.
from bpy.utils import register_class
for cls in classes:
register_class(cls)
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