225 lines
6.7 KiB
Python
225 lines
6.7 KiB
Python
import bpy
|
|
import bgl
|
|
import blf
|
|
import gpu
|
|
import mathutils
|
|
|
|
from bpy_extras import view3d_utils
|
|
from gpu_extras.batch import batch_for_shader
|
|
|
|
global renderer
|
|
|
|
|
|
def view3d_find():
|
|
for area in bpy.data.window_managers[0].windows[0].screen.areas:
|
|
if area.type == 'VIEW_3D':
|
|
v3d = area.spaces[0]
|
|
rv3d = v3d.region_3d
|
|
for region in area.regions:
|
|
if region.type == 'WINDOW':
|
|
return area, region, rv3d
|
|
|
|
return None, None, None
|
|
|
|
|
|
def get_target(region, rv3d, coord):
|
|
target = [0, 0, 0]
|
|
|
|
if coord and region and rv3d:
|
|
view_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
|
|
ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
|
|
target = ray_origin + view_vector
|
|
|
|
return [target.x, target.y, target.z]
|
|
|
|
|
|
def get_target_far(region, rv3d, coord, distance):
|
|
target = [0, 0, 0]
|
|
|
|
if coord and region and rv3d:
|
|
view_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
|
|
ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
|
|
target = ray_origin + view_vector * distance
|
|
|
|
return [target.x, target.y, target.z]
|
|
|
|
|
|
def get_client_view_rect():
|
|
area, region, rv3d = view3d_find()
|
|
|
|
v1 = [0, 0, 0]
|
|
v2 = [0, 0, 0]
|
|
v3 = [0, 0, 0]
|
|
v4 = [0, 0, 0]
|
|
v5 = [0, 0, 0]
|
|
v6 = [0, 0, 0]
|
|
|
|
if area and region and rv3d:
|
|
width = region.width
|
|
height = region.height
|
|
|
|
v1 = get_target(region, rv3d, (0, 0))
|
|
v3 = get_target(region, rv3d, (0, height))
|
|
v2 = get_target(region, rv3d, (width, height))
|
|
v4 = get_target(region, rv3d, (width, 0))
|
|
|
|
v5 = get_target(region, rv3d, (width/2, height/2))
|
|
v6 = get_target_far(region, rv3d, (width/2, height/2), 10)
|
|
|
|
coords = [v1, v2, v3, v4,v5,v6]
|
|
indices = (
|
|
(1, 3), (2, 1), (3, 0), (2, 0)
|
|
)
|
|
|
|
return coords
|
|
|
|
|
|
def get_client_2d(coords):
|
|
area, region, rv3d = view3d_find()
|
|
if area and region and rv3d:
|
|
return view3d_utils.location_3d_to_region_2d(region, rv3d, coords)
|
|
else:
|
|
return (0, 0)
|
|
|
|
|
|
class DrawFactory(object):
|
|
|
|
def __init__(self):
|
|
self.d3d_items = {}
|
|
self.d2d_items = {}
|
|
self.draw3d_handle = None
|
|
self.draw2d_handle = None
|
|
self.draw_event = None
|
|
self.coords = None
|
|
self.active_object = None
|
|
|
|
|
|
def run(self):
|
|
self.register_handlers()
|
|
|
|
def stop(self):
|
|
self.unregister_handlers()
|
|
def register_handlers(self):
|
|
self.draw3d_handle = bpy.types.SpaceView3D.draw_handler_add(
|
|
self.draw3d_callback, (), 'WINDOW', 'POST_VIEW')
|
|
self.draw2d_handle = bpy.types.SpaceView3D.draw_handler_add(
|
|
self.draw2d_callback, (), 'WINDOW', 'POST_PIXEL')
|
|
|
|
def unregister_handlers(self):
|
|
if self.draw2d_handle:
|
|
bpy.types.SpaceView3D.draw_handler_remove(
|
|
self.draw2d_handle, "WINDOW")
|
|
self.draw2d_handle = None
|
|
|
|
if self.draw3d_handle:
|
|
bpy.types.SpaceView3D.draw_handler_remove(
|
|
self.draw3d_handle, "WINDOW")
|
|
self.draw3d_handle = None
|
|
|
|
self.d3d_items.clear()
|
|
self.d2d_items.clear()
|
|
|
|
def draw_client_selected_objects(self, client):
|
|
if client:
|
|
name = client['id']
|
|
local_username = bpy.context.window_manager.session.username
|
|
|
|
if name != local_username:
|
|
key_to_remove = []
|
|
for k in self.d3d_items.keys():
|
|
if "{}/".format(client['id']) in k:
|
|
key_to_remove.append(k)
|
|
|
|
for k in key_to_remove:
|
|
del self.d3d_items[k]
|
|
|
|
if client['active_objects']:
|
|
for select_ob in client['active_objects']:
|
|
indices = (
|
|
(0, 1), (1, 2), (2, 3), (0, 3),
|
|
(4, 5), (5, 6), (6, 7), (4, 7),
|
|
(0, 4), (1, 5), (2, 6), (3, 7)
|
|
)
|
|
|
|
|
|
if select_ob in bpy.data.objects.keys():
|
|
ob = bpy.data.objects[select_ob]
|
|
else:
|
|
return
|
|
|
|
bbox_corners = [ob.matrix_world @ mathutils.Vector(corner) for corner in ob.bound_box]
|
|
|
|
coords = [(point.x, point.y, point.z)
|
|
for point in bbox_corners]
|
|
|
|
shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
|
|
|
|
color = client['color']
|
|
|
|
batch = batch_for_shader(
|
|
shader, 'LINES', {"pos": coords}, indices=indices)
|
|
|
|
self.d3d_items["{}/{}".format(client['id'],
|
|
select_ob)] = (shader, batch, color)
|
|
else:
|
|
pass
|
|
|
|
def draw_client(self, client):
|
|
if client:
|
|
name = client['id']
|
|
local_username = bpy.context.window_manager.session.username
|
|
|
|
if name != local_username:
|
|
try:
|
|
indices = (
|
|
(1, 3), (2, 1), (3, 0), (2, 0),(4, 5)
|
|
)
|
|
|
|
shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
|
|
position = client['location']
|
|
color = client['color']
|
|
|
|
batch = batch_for_shader(
|
|
shader, 'LINES', {"pos": position}, indices=indices)
|
|
|
|
self.d3d_items[name] = (shader, batch, color)
|
|
self.d2d_items[name] = (position[1], name, color)
|
|
|
|
except Exception as e:
|
|
print("Draw client exception {}".format(e))
|
|
|
|
def draw3d_callback(self):
|
|
bgl.glLineWidth(2)
|
|
try:
|
|
for shader, batch, color in self.d3d_items.values():
|
|
shader.bind()
|
|
shader.uniform_float("color", color)
|
|
batch.draw(shader)
|
|
except Exception as e:
|
|
print("3D Exception")
|
|
|
|
def draw2d_callback(self):
|
|
for position, font, color in self.d2d_items.values():
|
|
try:
|
|
coords = get_client_2d(position)
|
|
|
|
if coords:
|
|
blf.position(0, coords[0], coords[1]+10, 0)
|
|
blf.size(0, 10, 72)
|
|
blf.color(0, color[0], color[1], color[2], color[3])
|
|
blf.draw(0, font)
|
|
|
|
except Exception as e:
|
|
print("2D EXCEPTION")
|
|
|
|
|
|
def register():
|
|
global renderer
|
|
renderer = DrawFactory()
|
|
|
|
|
|
def unregister():
|
|
global renderer
|
|
renderer.unregister_handlers()
|
|
|
|
del renderer |