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# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
def console_namespace():
import console_python
for window in bpy.context.window_manager.windows:
for area in window.screen.areas:
if area.type == 'CONSOLE':
for region in area.regions:
if region.type == 'WINDOW':
console = console_python.get_console(hash(region))
if console:
return console[0].locals
return {}
def is_display_list(listvar):
from mathutils import Vector
for var in listvar:
if not isinstance(var, Vector):
return False
return True
class VarStates:
@staticmethod
def store_states():
# Store the display states, called upon unregister the Add-on
# This is useful when you press F8 to reload the Addons.
# Then this function preserves the display states of the
# console variables.
state_props = bpy.context.window_manager.MathVisStatePropList
variables = get_math_data()
for index, state_prop in reversed(list(enumerate(state_props))):
if state_prop.name not in variables:
# Variable has been removed from console
state_props.remove(index)
for key, ktype in variables.items():
if key and key not in state_props:
prop = state_props.add()
prop.name = key
prop.ktype = ktype.__name__
prop.state = [True, False]
@staticmethod
def get_index(key):
index = bpy.context.window_manager.MathVisStatePropList.find(key)
return index
@staticmethod
def delete(key):
state_props = bpy.context.window_manager.MathVisStatePropList
index = state_props.find(key)
if index != -1:
state_props.remove(index)
@staticmethod
def toggle_display_state(key):
state_props = bpy.context.window_manager.MathVisStatePropList
if key in state_props:
state_props[key].state[0] = not state_props[key].state[0]
else:
print("Odd: Can not find key %s in MathVisStateProps" % (key))
@staticmethod
def toggle_lock_state(key):
state_props = bpy.context.window_manager.MathVisStatePropList
if key in state_props:
state_props[key].state[1] = not state_props[key].state[1]
else:
print("Odd: Can not find key %s in MathVisStateProps" % (key))
def get_math_data():
from mathutils import Matrix, Vector, Quaternion, Euler
locals = console_namespace()
if not locals:
return {}
variables = {}
for key, var in locals.items():
if len(key) == 0 or key[0] == "_":
continue
type_var = type(var)
# Rules out sets/dicts.
# It's also possible the length check below is slow
# for data with underlying linked-list structure.
if not hasattr(type_var, "__getitem__"):
continue
# Don't do a truth test on the data because this causes an error with some
# array types, see T66107.
len_fn = getattr(type_var, "__len__", None)
if len_fn is None:
continue
if len_fn(var) == 0:
continue
if isinstance(var, (Matrix, Vector, Quaternion, Euler)) or \
isinstance(var, (tuple, list)) and is_display_list(var):
variables[key] = type_var
return variables
def cleanup_math_data():
locals = console_namespace()
if not locals:
return
variables = get_math_data()
for key in variables.keys():
index = VarStates.get_index(key)
if index == -1:
continue
state_prop = bpy.context.window_manager.MathVisStatePropList.get(key)
if state_prop.state[1]:
continue
del locals[key]
bpy.context.window_manager.MathVisStatePropList.remove(index)
def console_math_data():
from mathutils import Matrix, Vector, Quaternion, Euler
data_matrix = {}
data_quat = {}
data_euler = {}
data_vector = {}
data_vector_array = {}
for key, var in console_namespace().items():
if key[0] == "_":
continue
state_prop = bpy.context.window_manager.MathVisStatePropList.get(key)
if state_prop:
disp, lock = state_prop.state
if not disp:
continue
if isinstance(var, Matrix):
if len(var.col) != 4 or len(var.row) != 4:
if len(var.col) == len(var.row):
var = var.to_4x4()
else: # todo, support 4x3 matrix
continue
data_matrix[key] = var
elif isinstance(var, Vector):
if len(var) < 3:
var = var.to_3d()
data_vector[key] = var
elif isinstance(var, Quaternion):
data_quat[key] = var
elif isinstance(var, Euler):
data_euler[key] = var
elif type(var) in {list, tuple} and is_display_list(var):
data_vector_array[key] = var
return data_matrix, data_quat, data_euler, data_vector, data_vector_array
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