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# SPDX-FileCopyrightText: 2012-2022 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
# Simple script to check mash validate code.
# XXX Should be extended with many more "wrong cases"!
import bpy
import random
MESHES = {
"test1": (
(
( # Verts
(-1.0, -1.0, 0.0),
(-1.0, 0.0, 0.0),
(-1.0, 1.0, 0.0),
(0.0, -1.0, 0.0),
(0.0, 0.0, 0.0),
(0.0, 1.0, 0.0),
(1.0, -1.0, 0.0),
(1.0, 0.0, 0.0),
(1.5, 0.5, 0.0),
(1.0, 1.0, 0.0),
),
( # Edges
),
( # Loops
0, 1, 4, 3,
3, 4, 6,
1, 2, 5, 4,
3, 4, 6,
4, 7, 6,
4, 5, 9, 4, 8, 7,
),
( # Polygons
(0, 4),
(4, 3),
(7, 4),
(11, 3),
(14, 3),
(16, 6),
),
),
),
}
BUILTINS = (
"primitive_plane_add",
"primitive_cube_add",
"primitive_circle_add",
"primitive_uv_sphere_add",
"primitive_ico_sphere_add",
"primitive_cylinder_add",
"primitive_cone_add",
"primitive_grid_add",
"primitive_monkey_add",
"primitive_torus_add",
)
BUILTINS_NBR = 4
BUILTINS_NBRCHANGES = 5
def test_meshes():
for m in MESHES["test1"]:
bpy.ops.object.add(type="MESH")
data = bpy.context.active_object.data
# Vertices.
data.vertices.add(len(m[0]))
for idx, v in enumerate(m[0]):
data.vertices[idx].co = v
# Edges.
data.edges.add(len(m[1]))
for idx, e in enumerate(m[1]):
data.edges[idx].vertices = e
# Loops.
data.loops.add(len(m[2]))
for idx, v in enumerate(m[2]):
data.loops[idx].vertex_index = v
# Polygons.
data.polygons.add(len(m[3]))
for idx, l in enumerate(m[3]):
data.polygons[idx].loop_start = l[0]
data.polygons[idx].loop_total = l[1]
while data.validate(verbose=True):
pass
def test_builtins():
for x, func in enumerate(BUILTINS):
for y in range(BUILTINS_NBR):
getattr(bpy.ops.mesh, func)(location=(x * 2.5, y * 2.5, 0))
data = bpy.context.active_object.data
try:
for _ in range(BUILTINS_NBRCHANGES):
rnd = random.randint(1, 3)
if rnd == 1:
# Make fun with some edge.
e = random.randrange(0, len(data.edges))
data.edges[e].vertices[random.randint(0, 1)] = \
random.randrange(0, len(data.vertices) * 2)
elif rnd == 2:
# Make fun with some loop.
l = random.randrange(0, len(data.loops))
if random.randint(0, 1):
data.loops[l].vertex_index = \
random.randrange(0, len(data.vertices) * 2)
else:
data.loops[l].edge_index = \
random.randrange(0, len(data.edges) * 2)
elif rnd == 3:
# Make fun with some polygons.
p = random.randrange(0, len(data.polygons))
if random.randint(0, 1):
data.polygons[p].loop_start = \
random.randrange(0, len(data.loops))
else:
data.polygons[p].loop_total = \
random.randrange(0, 10)
except:
pass
while data.validate(verbose=True):
pass
def main():
test_builtins()
test_meshes()
if __name__ == "__main__":
main()
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