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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# 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, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Copyright 2011, Ryan Inch
import bpy
from .internals import (
layer_collections,
qcd_slots,
expanded,
expand_history,
rto_history,
copy_buffer,
swap_buffer,
update_property_group,
get_move_selection,
)
rto_path = {
"exclude": "exclude",
"select": "collection.hide_select",
"hide": "hide_viewport",
"disable": "collection.hide_viewport",
"render": "collection.hide_render",
"holdout": "holdout",
"indirect": "indirect_only",
}
set_off_on = {
"exclude": {
"off": True,
"on": False
},
"select": {
"off": True,
"on": False
},
"hide": {
"off": True,
"on": False
},
"disable": {
"off": True,
"on": False
},
"render": {
"off": True,
"on": False
},
"holdout": {
"off": False,
"on": True
},
"indirect": {
"off": False,
"on": True
}
}
get_off_on = {
False: {
"exclude": "on",
"select": "on",
"hide": "on",
"disable": "on",
"render": "on",
"holdout": "off",
"indirect": "off",
},
True: {
"exclude": "off",
"select": "off",
"hide": "off",
"disable": "off",
"render": "off",
"holdout": "on",
"indirect": "on",
}
}
def get_rto(layer_collection, rto):
if rto in ["exclude", "hide", "holdout", "indirect"]:
return getattr(layer_collection, rto_path[rto])
else:
collection = getattr(layer_collection, "collection")
return getattr(collection, rto_path[rto].split(".")[1])
def set_rto(layer_collection, rto, value):
if rto in ["exclude", "hide", "holdout", "indirect"]:
setattr(layer_collection, rto_path[rto], value)
else:
collection = getattr(layer_collection, "collection")
setattr(collection, rto_path[rto].split(".")[1], value)
def apply_to_children(parent, apply_function):
# works for both Collections & LayerCollections
child_lists = [parent.children]
while child_lists:
new_child_lists = []
for child_list in child_lists:
for child in child_list:
apply_function(child)
if child.children:
new_child_lists.append(child.children)
child_lists = new_child_lists
def isolate_rto(cls, self, view_layer, rto, *, children=False):
off = set_off_on[rto]["off"]
on = set_off_on[rto]["on"]
laycol_ptr = layer_collections[self.name]["ptr"]
target = rto_history[rto][view_layer]["target"]
history = rto_history[rto][view_layer]["history"]
# get active collections
active_layer_collections = [x["ptr"] for x in layer_collections.values()
if get_rto(x["ptr"], rto) == on]
# check if previous state should be restored
if cls.isolated and self.name == target:
# restore previous state
for x, item in enumerate(layer_collections.values()):
set_rto(item["ptr"], rto, history[x])
# reset target and history
del rto_history[rto][view_layer]
cls.isolated = False
# check if all RTOs should be activated
elif (len(active_layer_collections) == 1 and
active_layer_collections[0].name == self.name):
# activate all collections
for item in layer_collections.values():
set_rto(item["ptr"], rto, on)
# reset target and history
del rto_history[rto][view_layer]
cls.isolated = False
else:
# isolate collection
rto_history[rto][view_layer]["target"] = self.name
# reset history
history.clear()
# save state
for item in layer_collections.values():
history.append(get_rto(item["ptr"], rto))
child_states = {}
if children:
# get child states
def get_child_states(layer_collection):
child_states[layer_collection.name] = get_rto(layer_collection, rto)
apply_to_children(laycol_ptr, get_child_states)
# isolate collection
for item in layer_collections.values():
if item["name"] != laycol_ptr.name:
set_rto(item["ptr"], rto, off)
set_rto(laycol_ptr, rto, on)
if rto not in ["exclude", "holdout", "indirect"]:
# activate all parents
laycol = layer_collections[self.name]
while laycol["id"] != 0:
set_rto(laycol["ptr"], rto, on)
laycol = laycol["parent"]
if children:
# restore child states
def restore_child_states(layer_collection):
set_rto(layer_collection, rto, child_states[layer_collection.name])
apply_to_children(laycol_ptr, restore_child_states)
else:
if children:
# restore child states
def restore_child_states(layer_collection):
set_rto(layer_collection, rto, child_states[layer_collection.name])
apply_to_children(laycol_ptr, restore_child_states)
elif rto == "exclude":
# deactivate all children
def deactivate_all_children(layer_collection):
set_rto(layer_collection, rto, True)
apply_to_children(laycol_ptr, deactivate_all_children)
cls.isolated = True
def toggle_children(self, view_layer, rto):
laycol_ptr = layer_collections[self.name]["ptr"]
# clear rto history
del rto_history[rto][view_layer]
rto_history[rto+"_all"].pop(view_layer, None)
# toggle rto state
state = not get_rto(laycol_ptr, rto)
set_rto(laycol_ptr, rto, state)
def set_state(layer_collection):
set_rto(layer_collection, rto, state)
apply_to_children(laycol_ptr, set_state)
def activate_all_rtos(view_layer, rto):
off = set_off_on[rto]["off"]
on = set_off_on[rto]["on"]
history = rto_history[rto+"_all"][view_layer]
# if not activated, activate all
if len(history) == 0:
keep_history = False
for item in reversed(list(layer_collections.values())):
if get_rto(item["ptr"], rto) == off:
keep_history = True
history.append(get_rto(item["ptr"], rto))
set_rto(item["ptr"], rto, on)
if not keep_history:
history.clear()
history.reverse()
else:
for x, item in enumerate(layer_collections.values()):
set_rto(item["ptr"], rto, history[x])
# clear rto history
del rto_history[rto+"_all"][view_layer]
def invert_rtos(view_layer, rto):
if rto == "exclude":
orig_values = []
for item in layer_collections.values():
orig_values.append(get_rto(item["ptr"], rto))
for x, item in enumerate(layer_collections.values()):
set_rto(item["ptr"], rto, not orig_values[x])
else:
for item in layer_collections.values():
set_rto(item["ptr"], rto, not get_rto(item["ptr"], rto))
# clear rto history
rto_history[rto].pop(view_layer, None)
def copy_rtos(view_layer, rto):
if not copy_buffer["RTO"]:
# copy
copy_buffer["RTO"] = rto
for laycol in layer_collections.values():
copy_buffer["values"].append(get_off_on[
get_rto(laycol["ptr"], rto)
][
rto
]
)
else:
# paste
for x, laycol in enumerate(layer_collections.values()):
set_rto(laycol["ptr"],
rto,
set_off_on[rto][
copy_buffer["values"][x]
]
)
# clear rto history
rto_history[rto].pop(view_layer, None)
del rto_history[rto+"_all"][view_layer]
# clear copy buffer
copy_buffer["RTO"] = ""
copy_buffer["values"].clear()
def swap_rtos(view_layer, rto):
if not swap_buffer["A"]["values"]:
# get A
swap_buffer["A"]["RTO"] = rto
for laycol in layer_collections.values():
swap_buffer["A"]["values"].append(get_off_on[
get_rto(laycol["ptr"], rto)
][
rto
]
)
else:
# get B
swap_buffer["B"]["RTO"] = rto
for laycol in layer_collections.values():
swap_buffer["B"]["values"].append(get_off_on[
get_rto(laycol["ptr"], rto)
][
rto
]
)
# swap A with B
for x, laycol in enumerate(layer_collections.values()):
set_rto(laycol["ptr"], swap_buffer["A"]["RTO"],
set_off_on[
swap_buffer["A"]["RTO"]
][
swap_buffer["B"]["values"][x]
]
)
set_rto(laycol["ptr"], swap_buffer["B"]["RTO"],
set_off_on[
swap_buffer["B"]["RTO"]
][
swap_buffer["A"]["values"][x]
]
)
# clear rto history
swap_a = swap_buffer["A"]["RTO"]
swap_b = swap_buffer["B"]["RTO"]
rto_history[swap_a].pop(view_layer, None)
rto_history[swap_a+"_all"].pop(view_layer, None)
rto_history[swap_b].pop(view_layer, None)
rto_history[swap_b+"_all"].pop(view_layer, None)
# clear swap buffer
swap_buffer["A"]["RTO"] = ""
swap_buffer["A"]["values"].clear()
swap_buffer["B"]["RTO"] = ""
swap_buffer["B"]["values"].clear()
def clear_copy(rto):
if copy_buffer["RTO"] == rto:
copy_buffer["RTO"] = ""
copy_buffer["values"].clear()
def clear_swap(rto):
if swap_buffer["A"]["RTO"] == rto:
swap_buffer["A"]["RTO"] = ""
swap_buffer["A"]["values"].clear()
swap_buffer["B"]["RTO"] = ""
swap_buffer["B"]["values"].clear()
def link_child_collections_to_parent(laycol, collection, parent_collection):
# store view layer RTOs for all children of the to be deleted collection
child_states = {}
def get_child_states(layer_collection):
child_states[layer_collection.name] = (layer_collection.exclude,
layer_collection.hide_viewport,
layer_collection.holdout,
layer_collection.indirect_only)
apply_to_children(laycol["ptr"], get_child_states)
# link any subcollections of the to be deleted collection to it's parent
for subcollection in collection.children:
if not subcollection.name in parent_collection.children:
parent_collection.children.link(subcollection)
# apply the stored view layer RTOs to the newly linked collections and their
# children
def restore_child_states(layer_collection):
state = child_states.get(layer_collection.name)
if state:
layer_collection.exclude = state[0]
layer_collection.hide_viewport = state[1]
layer_collection.holdout = state[2]
layer_collection.indirect_only = state[3]
apply_to_children(laycol["parent"]["ptr"], restore_child_states)
def remove_collection(laycol, collection, context):
# get selected row
cm = context.scene.collection_manager
selected_row_name = cm.cm_list_collection[cm.cm_list_index].name
# delete collection
bpy.data.collections.remove(collection)
# update references
expanded.discard(laycol["name"])
if expand_history["target"] == laycol["name"]:
expand_history["target"] = ""
if laycol["name"] in expand_history["history"]:
expand_history["history"].remove(laycol["name"])
if qcd_slots.contains(name=laycol["name"]):
qcd_slots.del_slot(name=laycol["name"])
if laycol["name"] in qcd_slots.overrides:
qcd_slots.overrides.remove(laycol["name"])
# reset history
for rto in rto_history.values():
rto.clear()
# update tree view
update_property_group(context)
# update selected row
laycol = layer_collections.get(selected_row_name, None)
if laycol:
cm.cm_list_index = laycol["row_index"]
elif len(cm.cm_list_collection) <= cm.cm_list_index:
cm.cm_list_index = len(cm.cm_list_collection) - 1
if cm.cm_list_index > -1:
name = cm.cm_list_collection[cm.cm_list_index].name
laycol = layer_collections[name]
while not laycol["visible"]:
laycol = laycol["parent"]
cm.cm_list_index = laycol["row_index"]
def select_collection_objects(is_master_collection, collection_name, replace, nested):
if is_master_collection:
target_collection = bpy.context.view_layer.layer_collection.collection
else:
laycol = layer_collections[collection_name]
target_collection = laycol["ptr"].collection
if replace:
bpy.ops.object.select_all(action='DESELECT')
selection_state = get_move_selection().isdisjoint(target_collection.objects)
def select_objects(collection):
for obj in collection.objects:
try:
obj.select_set(selection_state)
except RuntimeError:
pass
select_objects(target_collection)
if nested:
apply_to_children(target_collection, select_objects)
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