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# gpl authors: nfloyd, Francesco Siddi
import logging
module_logger = logging.getLogger(__name__)
import hashlib
import bpy
#Utility function get preferences setting for exporters
def get_preferences():
# replace the key if the add-on name changes
addon = bpy.context.preferences.addons[__package__]
show_warn = (addon.preferences.show_exporters if addon else False)
return show_warn
class StoredView():
def __init__(self, mode, index=None):
self.logger = logging.getLogger('%s.StoredView' % __name__)
self.scene = bpy.context.scene
self.view3d = bpy.context.space_data
self.index = index
self.data_store = DataStore(mode=mode)
def save(self):
if self.index == -1:
stored_view, self.index = self.data_store.create()
else:
stored_view = self.data_store.get(self.index)
self.from_v3d(stored_view)
self.logger.debug('index: %s name: %s' % (self.data_store.current_index, stored_view.name))
def set(self):
stored_view = self.data_store.get(self.index)
self.update_v3d(stored_view)
self.logger.debug('index: %s name: %s' % (self.data_store.current_index, stored_view.name))
def from_v3d(self, stored_view):
raise NotImplementedError("Subclass must implement abstract method")
def update_v3d(self, stored_view):
raise NotImplementedError("Subclass must implement abstract method")
@staticmethod
def is_modified(context, stored_view):
raise NotImplementedError("Subclass must implement abstract method")
class POV(StoredView):
def __init__(self, index=None):
super().__init__(mode='POV', index=index)
self.logger = logging.getLogger('%s.POV' % __name__)
def from_v3d(self, stored_view):
view3d = self.view3d
region3d = view3d.region_3d
stored_view.distance = region3d.view_distance
stored_view.location = region3d.view_location
stored_view.rotation = region3d.view_rotation
stored_view.perspective_matrix_md5 = POV._get_perspective_matrix_md5(region3d)
stored_view.perspective = region3d.view_perspective
stored_view.lens = view3d.lens
stored_view.clip_start = view3d.clip_start
stored_view.clip_end = view3d.clip_end
if region3d.view_perspective == 'CAMERA':
stored_view.camera_type = view3d.camera.type # type : 'CAMERA' or 'MESH'
stored_view.camera_name = view3d.camera.name # store string instead of object
if view3d.lock_object is not None:
stored_view.lock_object_name = view3d.lock_object.name # idem
else:
stored_view.lock_object_name = ""
stored_view.lock_cursor = view3d.lock_cursor
stored_view.cursor_location = bpy.context.scene.cursor.location
def update_v3d(self, stored_view):
view3d = self.view3d
region3d = view3d.region_3d
region3d.view_distance = stored_view.distance
region3d.view_location = stored_view.location
region3d.view_rotation = stored_view.rotation
region3d.view_perspective = stored_view.perspective
view3d.lens = stored_view.lens
view3d.clip_start = stored_view.clip_start
view3d.clip_end = stored_view.clip_end
view3d.lock_cursor = stored_view.lock_cursor
if stored_view.lock_cursor is True:
# update cursor only if view is locked to cursor
view3d.cursor_location = stored_view.cursor_location
if stored_view.perspective == "CAMERA":
lock_obj = self._get_object(stored_view.lock_object_name)
if lock_obj:
view3d.lock_object = lock_obj
else:
cam = self._get_object(stored_view.camera_name)
if cam:
view3d.camera = cam
@staticmethod
def _get_object(name, pointer=None):
return bpy.data.objects.get(name)
@staticmethod
def is_modified(context, stored_view):
# TODO: check for others param, currently only perspective
# and perspective_matrix are checked
POV.logger = logging.getLogger('%s.POV' % __name__)
view3d = context.space_data
region3d = view3d.region_3d
if region3d.view_perspective != stored_view.perspective:
POV.logger.debug('view_perspective')
return True
md5 = POV._get_perspective_matrix_md5(region3d)
if (md5 != stored_view.perspective_matrix_md5 and
region3d.view_perspective != "CAMERA"):
POV.logger.debug('perspective_matrix')
return True
return False
@staticmethod
def _get_perspective_matrix_md5(region3d):
md5 = hashlib.md5(str(region3d.perspective_matrix).encode('utf-8')).hexdigest()
return md5
# class Layers(StoredView):
# def __init__(self, index=None):
# super().__init__(mode='COLLECTIONS', index=index)
# self.logger = logging.getLogger('%s.Layers' % __name__)
# def from_v3d(self, stored_view):
# view3d = self.view3d
# stored_view.view_layers = bpy.types.layer.collection
# stored_view.scene_layers = self.scene.layers
# stored_view.lock_camera = view3d.lock_camera
# def update_v3d(self, stored_view):
# view3d = self.view3d
# view3d.camera = stored_view.camera
# if stored_view.camera is True:
# self.scene.layers = stored_view.scene_layers
# else:
# view3d.layers = stored_view.view_layers
# @staticmethod
# def is_modified(context, stored_view):
# Layers.logger = logging.getLogger('%s.Layers' % __name__)
# if stored_view.camera != context.space_data.camera:
# Layers.logger.debug('lock_camera')
# return True
# if stored_view.camera is True:
# for i in range(20):
# if stored_view.scene_layers[i] != context.scene.layers[i]:
# Layers.logger.debug('scene_layers[%s]' % (i, ))
# return True
# else:
# for i in range(20):
# if stored_view.view_layers[i] != context.space_data.view3d.layers[i]:
# return True
# return False
# class Display(StoredView):
# def __init__(self, index=None):
# super().__init__(mode='DISPLAY', index=index)
# self.logger = logging.getLogger('%s.Display' % __name__)
# def from_v3d(self, stored_view):
# view3d = self.view3d
# stored_view.viewport_shade = view3d.viewport_shade
# stored_view.show_only_render = view3d.show_only_render
# stored_view.show_outline_selected = view3d.show_outline_selected
# stored_view.show_all_objects_origin = view3d.show_all_objects_origin
# stored_view.show_relationship_lines = view3d.show_relationship_lines
# stored_view.show_floor = view3d.show_floor
# stored_view.show_axis_x = view3d.show_axis_x
# stored_view.show_axis_y = view3d.show_axis_y
# stored_view.show_axis_z = view3d.show_axis_z
# stored_view.grid_lines = view3d.grid_lines
# stored_view.grid_scale = view3d.grid_scale
# stored_view.grid_subdivisions = view3d.grid_subdivisions
# stored_view.material_mode = self.scene.game_settings.material_mode
# stored_view.show_textured_solid = view3d.show_textured_solid
# def update_v3d(self, stored_view):
# view3d = self.view3d
# view3d.viewport_shade = stored_view.viewport_shade
# view3d.show_only_render = stored_view.show_only_render
# view3d.show_outline_selected = stored_view.show_outline_selected
# view3d.show_all_objects_origin = stored_view.show_all_objects_origin
# view3d.show_relationship_lines = stored_view.show_relationship_lines
# view3d.show_floor = stored_view.show_floor
# view3d.show_axis_x = stored_view.show_axis_x
# view3d.show_axis_y = stored_view.show_axis_y
# view3d.show_axis_z = stored_view.show_axis_z
# view3d.grid_lines = stored_view.grid_lines
# view3d.grid_scale = stored_view.grid_scale
# view3d.grid_subdivisions = stored_view.grid_subdivisions
# self.scene.game_settings.material_mode = stored_view.material_mode
# view3d.show_textured_solid = stored_view.show_textured_solid
# @staticmethod
# def is_modified(context, stored_view):
# Display.logger = logging.getLogger('%s.Display' % __name__)
# view3d = context.space_data
# excludes = ["material_mode", "quad_view", "lock_rotation", "show_sync_view", "use_box_clip", "name"]
# for k, v in stored_view.items():
# if k not in excludes:
# if getattr(view3d, k) != getattr(stored_view, k):
# return True
# if stored_view.material_mode != context.scene.game_settings.material_mode:
# Display.logger.debug('material_mode')
# return True
class View(StoredView):
def __init__(self, index=None):
super().__init__(mode='VIEW', index=index)
self.logger = logging.getLogger('%s.View' % __name__)
self.pov = POV()
# self.layers = Layers()
# self.display = Display()
def from_v3d(self, stored_view):
self.pov.from_v3d(stored_view.pov)
# self.layers.from_v3d(stored_view.layers)
# self.display.from_v3d(stored_view.display)
def update_v3d(self, stored_view):
self.pov.update_v3d(stored_view.pov)
# self.layers.update_v3d(stored_view.layers)
# self.display.update_v3d(stored_view.display)
@staticmethod
def is_modified(context, stored_view):
POV.is_modified(context, stored_view.pov) #or \
# Layers.is_modified(context, stored_view.layers) or \
# Display.is_modified(context, stored_view.display):
return True
# return False
class DataStore():
def __init__(self, scene=None, mode=None):
if scene is None:
scene = bpy.context.scene
stored_views = scene.stored_views
self.mode = mode
if mode is None:
self.mode = stored_views.mode
if self.mode == 'VIEW':
self.list = stored_views.view_list
self.current_index = stored_views.current_indices[0]
elif self.mode == 'POV':
self.list = stored_views.pov_list
self.current_index = stored_views.current_indices[1]
elif self.mode == 'LAYERS':
self.list = stored_views.layers_list
self.current_index = stored_views.current_indices[2]
elif self.mode == 'DISPLAY':
self.list = stored_views.display_list
self.current_index = stored_views.current_indices[3]
def create(self):
item = self.list.add()
item.name = self._generate_name()
index = len(self.list) - 1
self._set_current_index(index)
return item, index
def get(self, index):
self._set_current_index(index)
return self.list[index]
def delete(self, index):
if self.current_index > index:
self._set_current_index(self.current_index - 1)
elif self.current_index == index:
self._set_current_index(-1)
self.list.remove(index)
def _set_current_index(self, index):
self.current_index = index
mode = self.mode
stored_views = bpy.context.scene.stored_views
if mode == 'VIEW':
stored_views.current_indices[0] = index
elif mode == 'POV':
stored_views.current_indices[1] = index
elif mode == 'LAYERS':
stored_views.current_indices[2] = index
elif mode == 'DISPLAY':
stored_views.current_indices[3] = index
def _generate_name(self):
default_name = str(self.mode)
names = []
for i in self.list:
i_name = i.name
if i_name.startswith(default_name):
names.append(i_name)
names.sort()
try:
l_name = names[-1]
post_fix = l_name.rpartition('.')[2]
if post_fix.isnumeric():
post_fix = str(int(post_fix) + 1).zfill(3)
else:
if post_fix == default_name:
post_fix = "001"
return default_name + "." + post_fix
except:
return default_name
@staticmethod
def sanitize_data(scene):
def check_objects_references(mode, list):
to_remove = []
for i, list_item in enumerate(list.items()):
key, item = list_item
if mode == 'POV' or mode == 'VIEWS':
if mode == 'VIEWS':
item = item.pov
if item.perspective == "CAMERA":
camera = bpy.data.objects.get(item.camera_name)
if camera is None:
try: # pick a default camera TODO: ask to pick?
camera = bpy.data.cameras[0]
item.camera_name = camera.name
except: # couldn't find a camera in the scene
pass
obj = bpy.data.objects.get(item.lock_object_name)
if obj is None and camera is None:
to_remove.append(i)
for i in reversed(to_remove):
list.remove(i)
modes = ['POV', 'VIEW', 'DISPLAY', 'LAYERS']
for mode in modes:
data = DataStore(scene=scene, mode=mode)
check_objects_references(mode, data.list)
def stored_view_factory(mode, *args, **kwargs):
if mode == 'POV':
return POV(*args, **kwargs)
elif mode == 'LAYERS':
return Layers(*args, **kwargs)
elif mode == 'DISPLAY':
return Display(*args, **kwargs)
elif mode == 'VIEW':
return View(*args, **kwargs)
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