def split_by_vertices(verts,
edges=None,
faces=None,
selected_verts: List[bool] = None,
face_data=None):
"""it ignores edges for now"""
edges = edges or []
faces = faces or []
if not selected_verts:
selected_verts = [True] * len(verts)
elif len(selected_verts) != len(verts):
selected_verts = list(fixed_iter(selected_verts, len(verts)))
out_verts = []
out_faces = []
old_new_verts: Dict[int, int] = dict()
for face in faces:
new_face = []
for i in face:
if selected_verts[i]:
out_verts.append(verts[i])
new_face.append(len(out_verts) - 1)
else:
if i in old_new_verts:
new_face.append(old_new_verts[i])
else:
out_verts.append(verts[i])
old_new_verts[i] = len(out_verts) - 1
new_face.append(len(out_verts) - 1)
out_faces.append(new_face)
out_edges = polygons_to_edges_np([out_faces], unique_edges=True)[0]
return out_verts, out_edges, out_faces, face_data
def process(self):
if not self.outputs[0].is_linked:
return
polygons_ = self.inputs['pols'].sv_get(deepcopy=False)
polygons = dataCorrect_np(polygons_)
self.outputs['edgs'].sv_set(polygons_to_edges_np(polygons, self.unique_edges, self.output_numpy))
def process(self):
if not self.outputs[0].is_linked:
return
polygons_ = self.inputs['pols'].sv_get(deepcopy=False)
polygons = dataCorrect_np(polygons_)
if self.output_numpy or isinstance(polygons[0], ndarray) or self.regular_pols:
result = polygons_to_edges_np(polygons, self.unique_edges, self.output_numpy)
else:
result = polygons_to_edges(polygons, self.unique_edges)
self.outputs['edgs'].sv_set(result)
def process(self):
n_id = node_id(self)
nvBGL.callback_disable(n_id)
inputs = self.inputs
# end early
if not self.activate:
return
if self.mode == 'Number':
if not inputs['Number'].is_linked:
return
numbers = inputs['Number'].sv_get(default=[[]])
elif self.mode == 'Curve':
if not inputs['Curve'].is_linked:
return
curves = inputs['Curve'].sv_get(default=[[]])
else:
if not inputs['Vecs'].is_linked:
return
vecs = inputs['Vecs'].sv_get(default=[[]])
edges = inputs['Edges'].sv_get(default=[[]])
polygons = inputs['Polygons'].sv_get(default=[[]])
vector_color = inputs['Vector Color'].sv_get(
default=[[self.vector_color]])
edge_color = inputs['Edge Color'].sv_get(default=[[self.edge_color]])
poly_color = inputs['Polygon Color'].sv_get(
default=[[self.polygon_color]])
seed_set(self.random_seed)
config = self.create_config()
config.vector_color = vector_color
config.edge_color = edge_color
config.poly_color = poly_color
config.edges = edges
if self.mode == 'Number':
config.size = self.drawing_size
geom = generate_number_geom(config, numbers)
elif self.mode == 'Path':
geom = generate_graph_geom(config, vecs)
elif self.mode == 'Curve':
paths = []
for curve in curves:
t_min, t_max = curve.get_u_bounds()
ts = np_linspace(t_min,
t_max,
num=self.curve_samples,
dtype=np_float64)
paths.append(curve.evaluate_array(ts).tolist())
geom = generate_graph_geom(config, paths)
else:
config.polygons = polygons
if not inputs['Edges'].is_linked and self.edge_toggle:
config.edges = polygons_to_edges_np(polygons,
unique_edges=True)
geom = generate_mesh_geom(config, vecs)
draw_data = {
'mode': 'custom_function',
'tree_name': self.id_data.name[:],
'node_name': self.name[:],
'loc': get_drawing_location,
'custom_function': view_2d_geom,
'args': (geom, config)
}
nvBGL.callback_enable(n_id, draw_data)
def process(self):
if bpy.app.background:
return
self.handle_attr_socket()
if not (self.id_data.sv_show and self.activate):
callback_disable(node_id(self))
return
n_id = node_id(self)
callback_disable(n_id)
inputs = self.inputs
# end early
if not self.activate:
return
if not any([inputs['Vertices'].is_linked, inputs['Matrix'].is_linked]):
return
if inputs['Vertices'].is_linked:
vecs = inputs['Vertices'].sv_get(deepcopy=False, default=[[]])
total_verts = sum(map(len, vecs))
if not total_verts:
raise LookupError("Empty vertices list")
edges = inputs['Edges'].sv_get(deepcopy=False, default=[[]])
polygons = inputs['Polygons'].sv_get(deepcopy=False, default=[[]])
matrix = inputs['Matrix'].sv_get(deepcopy=False, default=[[]])
vector_color = inputs['Vector Color'].sv_get(deepcopy=False, default=[[self.vector_color]])
edge_color = inputs['Edge Color'].sv_get(deepcopy=False, default=[[self.edge_color]])
poly_color = inputs['Polygon Color'].sv_get(deepcopy=False, default=[[self.polygon_color]])
seed_set(self.random_seed)
config = self.create_config()
config.vector_color = vector_color
config.edge_color = edge_color
config.poly_color = poly_color
config.edges = edges
if self.use_dashed:
add_dashed_shader(config)
config.polygons = polygons
config.matrix = matrix
if not inputs['Edges'].is_linked and self.display_edges:
config.edges = polygons_to_edges_np(polygons, unique_edges=True)
geom = generate_mesh_geom(config, vecs)
draw_data = {
'tree_name': self.id_data.name[:],
'custom_function': view_3d_geom,
'args': (geom, config)
}
callback_enable(n_id, draw_data)
elif inputs['Matrix'].is_linked:
matrices = inputs['Matrix'].sv_get(deepcopy=False, default=[Matrix()])
gl_instructions = {
'tree_name': self.id_data.name[:],
'custom_function': draw_matrix,
'args': (matrices, self.matrix_draw_scale)}
callback_enable(n_id, gl_instructions)
def process(self):
verts = self.inputs['Vertices'].sv_get(default=[])
edges = self.inputs['Edges'].sv_get(default=[])
faces = self.inputs['Faces'].sv_get(default=[])
e_mask = self.inputs['EdgeMask'].sv_get(deepcopy=False,
default=[[True]])
factor = self.inputs['Factor'].sv_get(deepcopy=False)
cuts = self.inputs['Cuts'].sv_get(deepcopy=False)
if faces and not edges:
edges = polygons_to_edges_np(faces, True, False)
obj_n = max(len(verts), len(e_mask), len(factor), len(cuts))
out_v = []
out_e = []
out_f = []
def vec(arr):
return fixed_iter(arr, obj_n, [])
for v, e, face, m, fact, c in zip(vec(verts), vec(edges), vec(faces),
vec(e_mask), vec(factor), vec(cuts)):
if not all((v, e)):
break
new_faces = list(face)
faces_per_edge = defaultdict(list)
for face_idx, f in enumerate(new_faces):
for i, j in zip(f, rotate_list(f)):
faces_per_edge[(i, j)].append((i, False, face_idx))
faces_per_edge[(j, i)].append((j, True, face_idx))
def insert_after(_face, _vert_idx, _new_vert_idx):
idx = _face.index(_vert_idx)
_face.insert(idx + 1, _new_vert_idx)
def insert_before(_face, _vert_idx, _new_vert_idx):
idx = _face.index(_vert_idx)
_face.insert(idx, _new_vert_idx)
# sanitize the input
input_f = list(map(lambda _f: min(1, max(0, _f)), fact))
counts = repeat_last_for_length(c, len(e))
mask = repeat_last_for_length(m, len(e))
params = match_long_repeat([e, mask, input_f, counts])
offset = len(v)
new_verts = list(v)
new_edges = []
i = 0
for edge, ok, factor, count in zip(*params):
if not ok:
new_edges.append(edge)
continue
i0 = edge[0]
i1 = edge[1]
v0 = v[i0]
v1 = v[i1]
if self.mode == 'MIRROR':
factor = factor / 2
vx = v0[0] * (1 - factor) + v1[0] * factor
vy = v0[1] * (1 - factor) + v1[1] * factor
vz = v0[2] * (1 - factor) + v1[2] * factor
va = [vx, vy, vz]
new_verts.append(va)
vx = v0[0] * factor + v1[0] * (1 - factor)
vy = v0[1] * factor + v1[1] * (1 - factor)
vz = v0[2] * factor + v1[2] * (1 - factor)
vb = [vx, vy, vz]
new_verts.append(vb)
new_edges.append([i0, offset + i]) # v0 - va
new_edges.append([offset + i, offset + i + 1]) # va - vb
new_edges.append([offset + i + 1, i1]) # vb - v1
for vert_idx, before, face_idx in faces_per_edge[tuple(
edge)]:
if before:
insert_before(new_faces[face_idx], vert_idx,
offset + i)
insert_before(new_faces[face_idx], offset + i,
offset + i + 1)
else:
insert_after(new_faces[face_idx], vert_idx,
offset + i)
insert_after(new_faces[face_idx], offset + i,
offset + i + 1)
i = i + 2
elif self.mode == 'SIMPLE':
vx = v0[0] * (1 - factor) + v1[0] * factor
vy = v0[1] * (1 - factor) + v1[1] * factor
vz = v0[2] * (1 - factor) + v1[2] * factor
va = [vx, vy, vz]
new_verts.append(va)
new_edges.append([i0, offset + i]) # v0 - va
new_edges.append([offset + i, i1]) # va - v1
for vert_idx, before, face_idx in faces_per_edge[tuple(
edge)]:
if before:
insert_before(new_faces[face_idx], vert_idx,
offset + i)
else:
insert_after(new_faces[face_idx], vert_idx,
offset + i)
i = i + 1
else: # MULTI
if count > 0:
new_vert_idxs = []
j = offset + i
for p in np.linspace(0.0,
1.0,
num=count + 1,
endpoint=False)[1:]:
vx = v0[0] * (1 - p) + v1[0] * p
vy = v0[1] * (1 - p) + v1[1] * p
vz = v0[2] * (1 - p) + v1[2] * p
va = [vx, vy, vz]
new_verts.append(va)
new_vert_idxs.append(j)
j += 1
if new_vert_idxs:
vert_idxs = [i0] + new_vert_idxs[:]
edges = list(zip(vert_idxs, vert_idxs[1:]))
edges.append((vert_idxs[-1], i1))
new_edges.extend(edges)
for vert_idx, before, face_idx in faces_per_edge[
tuple(edge)]:
prev_vert_idx = vert_idx
for new_vert_idx in new_vert_idxs:
if before:
insert_before(new_faces[face_idx],
prev_vert_idx,
new_vert_idx)
else:
insert_after(new_faces[face_idx],
prev_vert_idx,
new_vert_idx)
prev_vert_idx = new_vert_idx
else:
new_edges.append(edge)
i = i + count
out_v.append(new_verts)
out_e.append(new_edges)
out_f.append(new_faces)
self.outputs['Vertices'].sv_set(out_v)
self.outputs['Edges'].sv_set(out_e)
self.outputs['Faces'].sv_set(out_f)
def process_data(self, params):
outputs = self.outputs
mesh_s = params[0]
vertices_out, verts_normals_out, verts_colors_out = [], [], []
edges_out = []
faces_out, f_normals_out, f_centers_out, f_areas_out = [], [], [], []
uv_verts_out, uv_faces_out, material_id_out = [], [], []
for mesh in mesh_s:
if outputs['Vertices'].is_linked:
vertices_out.append(
np.asarray(mesh.vertices) if self.out_np[0] else np.
asarray(mesh.vertices).tolist())
if (outputs['Faces'].is_linked or
outputs['Edges'].is_linked) and mesh.has_triangles():
tris = np.asarray(mesh.triangles)
if outputs['Edges'].is_linked:
edges = polygons_to_edges_np(
[tris],
unique_edges=True,
output_numpy=self.out_np[1])[0]
edges_out.append(edges)
if outputs['Faces'].is_linked:
faces_out.append(
tris if self.out_np[2] else tris.tolist())
else:
faces_out.append([])
edges_out.append([])
needs_v_normal_calc = outputs[
'Vertex Normal'].is_linked and not mesh.has_vertex_normals(
)
needs_f_normal_calc = needs_v_normal_calc or (
outputs['Face Normal'].is_linked
and not mesh.has_triangle_normals())
if needs_f_normal_calc:
if needs_v_normal_calc:
face_normals, v_normals = calc_normals(mesh,
v_normals=True)
else:
face_normals = calc_normals(mesh, v_normals=False)
if outputs['Vertex Normal'].is_linked:
if mesh.has_vertex_normals():
verts_normals_out.append(
np.asarray(mesh.vertex_normals) if self.out_np[3]
else np.asarray(mesh.vertex_normals).tolist())
else:
verts_normals_out.append(v_normals if self.out_np[3]
else v_normals.tolist())
if outputs[
'Vertex Color'].is_linked and mesh.has_vertex_colors():
colors = np.asarray(mesh.vertex_colors)
colors_a = np.ones((colors.shape[0], 4))
colors_a[:, :3] = colors
verts_colors_out.append(
colors_a if self.out_np[4] else colors_a.tolist())
else:
verts_colors_out.append([])
if outputs['Face Normal'].is_linked:
if mesh.has_triangle_normals():
f_normals_out.append(
np.asarray(mesh.triangle_normals) if self.out_np[5]
else np.asarray(mesh.triangle_normals).tolist())
else:
f_normals_out.append(face_normals if self.out_np[5]
else face_normals.tolist())
if outputs['Face Center'].is_linked:
f_centers_out.append(
calc_centers(mesh, output_numpy=self.out_np[6]))
if outputs['Face Area'].is_linked:
f_areas_out.append(
calc_mesh_tris_areas(mesh,
output_numpy=self.out_np[7]))
if mesh.has_triangle_uvs() and (outputs['UV Verts'].is_linked
or
outputs['UV Faces'].is_linked):
uvs = np.asarray(mesh.triangle_uvs)
new_uvs = np.zeros((uvs.shape[0], 3), dtype='float')
new_uvs[:, :2] = uvs
uv_verts_out.append(
new_uvs if self.out_np[8] else new_uvs.tolist())
uv_faces = np.arange(new_uvs.shape[0],
dtype='int').reshape(-1, 3)
uv_faces_out.append(
uv_faces if self.out_np[9] else uv_faces.tolist())
else:
uv_verts_out.append([])
uv_faces_out.append([])
if mesh.has_triangle_material_ids(
) and self.outputs['Material Id'].is_linked:
material_id_out.append(
np.asarray(mesh.triangle_material_ids) if self.
out_np[10] else np.asarray(mesh.triangle_material_ids
).tolist())
else:
material_id_out.append([])
return (vertices_out, edges_out, faces_out, verts_normals_out,
verts_colors_out, f_normals_out, f_centers_out,
f_areas_out, uv_verts_out, uv_faces_out, material_id_out)