blender-addons/archipack/archipack_object.py
2020-08-05 18:16:08 +02:00

285 lines
9.6 KiB
Python

# -*- coding:utf-8 -*-
# ##### 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 #####
# <pep8 compliant>
# ----------------------------------------------------------
# Author: Stephen Leger (s-leger)
#
# ----------------------------------------------------------
# noinspection PyUnresolvedReferences
import bpy
# noinspection PyUnresolvedReferences
from bpy.props import BoolProperty, StringProperty
from mathutils import Vector, Matrix
from mathutils.geometry import (
intersect_line_plane
)
from bpy_extras.view3d_utils import (
region_2d_to_origin_3d,
region_2d_to_vector_3d
)
class ArchipackCollectionManager():
@staticmethod
def link_object_to_scene(context, o):
coll_main = context.scene.collection.children.get("Archipack")
if coll_main is None:
coll_main = bpy.data.collections.new(name="Archipack")
context.scene.collection.children.link(coll_main)
coll_main.objects.link(o)
@staticmethod
def unlink_object_from_scene(o):
for coll in o.users_collection:
coll.objects.unlink(o)
class ArchipackObject(ArchipackCollectionManager):
"""
Shared property of archipack's objects PropertyGroup
provide basic support for copy to selected
and datablock access / filtering by object
"""
def iskindof(self, o, typ):
"""
return true if object contains databloc of typ name
"""
return o.data is not None and typ in o.data
@classmethod
def filter(cls, o):
"""
Filter object with this class in data
return
True when object contains this datablock
False otherwise
usage:
class_name.filter(object) from outside world
self.__class__.filter(object) from instance
"""
try:
return cls.__name__ in o.data
except:
pass
return False
@classmethod
def datablock(cls, o):
"""
Retrieve datablock from base object
return
datablock when found
None when not found
usage:
class_name.datablock(object) from outside world
self.__class__.datablock(object) from instance
"""
try:
return getattr(o.data, cls.__name__)[0]
except:
pass
return None
def find_in_selection(self, context, auto_update=True):
"""
find witch selected object this datablock instance belongs to
store context to be able to restore after oops
provide support for "copy to selected"
return
object or None when instance not found in selected objects
"""
if auto_update is False:
return None
active = context.active_object
selected = context.selected_objects[:]
for o in selected:
if self.__class__.datablock(o) == self:
self.previously_selected = selected
self.previously_active = active
return o
return None
def restore_context(self, context):
# restore context
bpy.ops.object.select_all(action="DESELECT")
try:
for o in self.previously_selected:
o.select_set(state=True)
except:
pass
if self.previously_active is not None:
self.previously_active.select_set(state=True)
context.view_layer.objects.active = self.previously_active
self.previously_selected = None
self.previously_active = None
def move_object(self, o, p):
"""
When firstpoint is moving we must move object according
p is new x, y location in world coordsys
"""
p = Vector((p.x, p.y, o.matrix_world.translation.z))
# p is in o coordsys
if o.parent:
o.location = p @ o.parent.matrix_world.inverted()
o.matrix_world.translation = p
else:
o.location = p
o.matrix_world.translation = p
class ArchipackCreateTool(ArchipackCollectionManager):
"""
Shared property of archipack's create tool Operator
"""
auto_manipulate : BoolProperty(
name="Auto manipulate",
description="Enable object's manipulators after create",
options={'SKIP_SAVE'},
default=True
)
filepath : StringProperty(
options={'SKIP_SAVE'},
name="Preset",
description="Full filename of python preset to load at create time",
default=""
)
@property
def archipack_category(self):
"""
return target object name from ARCHIPACK_OT_object_name
"""
return self.bl_idname[13:]
def load_preset(self, d):
"""
Load python preset
d: archipack object datablock
preset: full filename.py with path
"""
d.auto_update = False
fallback = True
if self.filepath != "":
try:
bpy.ops.script.python_file_run(filepath=self.filepath)
fallback = False
except:
pass
if fallback:
# fallback to load preset on background process
try:
with open(self.filepath) as f:
lines = f.read()
cmp = compile(lines, self.filepath, 'exec')
exec(cmp)
except:
print("Archipack unable to load preset file : %s" % (self.filepath))
pass
d.auto_update = True
def add_material(self, o, material='DEFAULT', category=None):
# skip if preset already add material
if "archipack_material" in o:
return
try:
if category is None:
category = self.archipack_category
if bpy.ops.archipack.material.poll():
bpy.ops.archipack.material(category=category, material=material)
except:
print("Archipack %s materials not found" % (self.archipack_category))
pass
def manipulate(self):
if self.auto_manipulate:
try:
op = getattr(bpy.ops.archipack, self.archipack_category + "_manipulate")
if op.poll():
op('INVOKE_DEFAULT')
except:
print("Archipack bpy.ops.archipack.%s_manipulate not found" % (self.archipack_category))
pass
class ArchipackDrawTool(ArchipackCollectionManager):
"""
Draw tools
"""
def mouse_to_plane(self, context, event, origin=Vector((0, 0, 0)), normal=Vector((0, 0, 1))):
"""
convert mouse pos to 3d point over plane defined by origin and normal
"""
region = context.region
rv3d = context.region_data
co2d = (event.mouse_region_x, event.mouse_region_y)
view_vector_mouse = region_2d_to_vector_3d(region, rv3d, co2d)
ray_origin_mouse = region_2d_to_origin_3d(region, rv3d, co2d)
pt = intersect_line_plane(ray_origin_mouse, ray_origin_mouse + view_vector_mouse,
origin, normal, False)
# fix issue with parallel plane
if pt is None:
pt = intersect_line_plane(ray_origin_mouse, ray_origin_mouse + view_vector_mouse,
origin, view_vector_mouse, False)
return pt
def mouse_to_scene_raycast(self, context, event):
"""
convert mouse pos to 3d point over plane defined by origin and normal
"""
region = context.region
rv3d = context.region_data
co2d = (event.mouse_region_x, event.mouse_region_y)
view_vector_mouse = region_2d_to_vector_3d(region, rv3d, co2d)
ray_origin_mouse = region_2d_to_origin_3d(region, rv3d, co2d)
res, pos, normal, face_index, object, matrix_world = context.scene.ray_cast(
depsgraph=context.view_layer.depsgraph,
origin=ray_origin_mouse,
direction=view_vector_mouse)
return res, pos, normal, face_index, object, matrix_world
def mouse_hover_wall(self, context, event):
"""
convert mouse pos to matrix at bottom of surrounded wall, y oriented outside wall
"""
res, pt, y, i, o, tM = self.mouse_to_scene_raycast(context, event)
if res and o.data is not None and 'archipack_wall2' in o.data:
z = Vector((0, 0, 1))
d = o.data.archipack_wall2[0]
y = -y
pt += (0.5 * d.width) * y.normalized()
x = y.cross(z)
return True, Matrix([
[x.x, y.x, z.x, pt.x],
[x.y, y.y, z.y, pt.y],
[x.z, y.z, z.z, o.matrix_world.translation.z],
[0, 0, 0, 1]
]), o, d.width, y, 0 # d.z_offset
return False, Matrix(), None, 0, Vector(), 0