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# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
import bpy
from bpy.types import 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 context.volume and (engine in cls.COMPAT_ENGINES)
class DATA_PT_context_volume(DataButtonsPanel, Panel):
bl_label = ""
bl_options = {'HIDE_HEADER'}
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
layout = self.layout
ob = context.object
volume = context.volume
space = context.space_data
if ob:
layout.template_ID(ob, "data")
elif volume:
layout.template_ID(space, "pin_id")
class DATA_PT_volume_file(DataButtonsPanel, Panel):
bl_label = "OpenVDB File"
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
layout = self.layout
volume = context.volume
volume.grids.load()
layout.prop(volume, "filepath", text="")
if volume.filepath:
layout.use_property_split = True
layout.use_property_decorate = False
col = layout.column(align=True)
col.prop(volume, "is_sequence")
if volume.is_sequence:
col.prop(volume, "frame_duration", text="Frames")
col.prop(volume, "frame_start", text="Start")
col.prop(volume, "frame_offset", text="Offset")
col.prop(volume, "sequence_mode", text="Mode")
error_msg = volume.grids.error_message
if error_msg:
layout.separator()
col = layout.column(align=True)
col.label(text="Failed to load volume:")
col.label(text=error_msg)
class VOLUME_UL_grids(UIList):
def draw_item(self, _context, layout, _data, grid, _icon, _active_data, _active_propname, _index):
name = grid.name
data_type = grid.bl_rna.properties['data_type'].enum_items[grid.data_type]
layout.emboss = 'NONE'
layout.label(text=name)
row = layout.row()
row.alignment = 'RIGHT'
row.active = False
row.label(text=data_type.name)
class DATA_PT_volume_grids(DataButtonsPanel, Panel):
bl_label = "Grids"
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
layout = self.layout
volume = context.volume
volume.grids.load()
layout.template_list("VOLUME_UL_grids", "grids", volume, "grids", volume.grids, "active_index", rows=3)
class DATA_PT_volume_render(DataButtonsPanel, Panel):
bl_label = "Render"
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False
scene = context.scene
volume = context.volume
render = volume.render
col = layout.column(align=True)
col.prop(render, "space")
if scene.render.engine == 'CYCLES':
col.prop(render, "step_size")
col = layout.column(align=True)
col.prop(render, "clipping")
class DATA_PT_volume_viewport_display(DataButtonsPanel, Panel):
bl_label = "Viewport Display"
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False
volume = context.volume
display = volume.display
col = layout.column(align=True)
col.prop(display, "wireframe_type")
sub = col.row()
sub.active = display.wireframe_type in {'BOXES', 'POINTS'}
sub.prop(display, "wireframe_detail", text="Detail")
col = layout.column()
col.prop(display, "density")
col.prop(display, "interpolation_method")
class DATA_PT_volume_viewport_display_slicing(DataButtonsPanel, Panel):
bl_label = ""
bl_parent_id = 'DATA_PT_volume_viewport_display'
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw_header(self, context):
layout = self.layout
volume = context.volume
display = volume.display
layout.prop(display, "use_slice")
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False
volume = context.volume
display = volume.display
layout.active = display.use_slice
col = layout.column()
col.prop(display, "slice_axis")
col.prop(display, "slice_depth")
class DATA_PT_custom_props_volume(DataButtonsPanel, PropertyPanel, Panel):
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
_context_path = "object.data"
_property_type = bpy.types.Volume
classes = (
DATA_PT_context_volume,
DATA_PT_volume_grids,
DATA_PT_volume_file,
DATA_PT_volume_viewport_display,
DATA_PT_volume_viewport_display_slicing,
DATA_PT_volume_render,
DATA_PT_custom_props_volume,
VOLUME_UL_grids,
)
if __name__ == "__main__": # only for live edit.
from bpy.utils import register_class
for cls in classes:
register_class(cls)
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