def api_livectls():
# Build a scene and extract its live controls
rng = random.Random(0)
scene = ngl.Group(
children=(
ngl.UniformBool(live_id="b"),
ngl.UniformFloat(live_id="f"),
ngl.UniformIVec3(live_id="iv3"),
ngl.UserSwitch(
ngl.Group(
children=(
ngl.UniformMat4(live_id="m4"),
ngl.UniformColor(live_id="clr"),
ngl.UniformQuat(as_mat4=True, live_id="rot"),
)
),
live_id="switch",
),
ngl.Text(live_id="txt"),
)
)
livectls = ngl.get_livectls(scene)
assert len(livectls) == 8
# Attach scene and run a dummy draw to make sure it's valid
ctx = ngl.Context()
ret = ctx.configure(offscreen=1, width=16, height=16, backend=_backend)
assert ret == 0
assert ctx.set_scene(scene) == 0
assert ctx.draw(0) == 0
# Apply live changes on nodes previously tracked by get_livectls()
values = dict(
b=True,
f=rng.uniform(-1, 1),
iv3=[rng.randint(-100, 100) for i in range(3)],
switch=False,
m4=[rng.uniform(-1, 1) for i in range(16)],
clr=(0.9, 0.3, 0.8),
rot=(0.1, -0.2, 0.5, -0.3),
txt="test string",
)
for live_id, value in values.items():
node = livectls[live_id]["node"]
node_type = livectls[live_id]["node_type"]
assert node_type == node.__class__.__name__
if node_type == "UserSwitch":
node.set_enabled(value)
elif node_type == "Text":
node.set_text(value)
elif hasattr(value, "__iter__"):
node.set_value(*value)
else:
node.set_value(value)
# Detach scene from context and grab all live controls again
assert ctx.set_scene(None) == 0
livectls = ngl.get_livectls(scene)
# Inspect nodes to check if they were properly altered by the live changes
for live_id, expected_value in values.items():
value = livectls[live_id]["val"]
node_type = livectls[live_id]["node_type"]
if node_type == "Text":
assert value == expected_value, (value, expected_value)
elif hasattr(value, "__iter__"):
assert all(math.isclose(v, e, rel_tol=1e-6) for v, e in zip(value, expected_value))
else:
assert math.isclose(value, expected_value, rel_tol=1e-6)
animated_quat_vec4=lambda data: ngl.AnimatedQuat(
keyframes=_get_anim_kf(ngl.AnimKeyFrameQuat, data), as_mat4=False),
array_float=lambda data: ngl.BufferFloat(data=data),
array_int=lambda data: ngl.BufferInt(data=data),
array_ivec2=lambda data: ngl.BufferIVec2(data=data),
array_ivec3=lambda data: ngl.BufferIVec3(data=data),
array_ivec4=lambda data: ngl.BufferIVec4(data=data),
array_mat4=lambda data: ngl.BufferMat4(data=data),
array_vec2=lambda data: ngl.BufferVec2(data=data),
array_vec3=lambda data: ngl.BufferVec3(data=data),
array_vec4=lambda data: ngl.BufferVec4(data=data),
single_bool=lambda data: ngl.UniformBool(data),
single_float=lambda data: ngl.UniformFloat(data),
single_int=lambda data: ngl.UniformInt(data),
single_ivec2=lambda data: ngl.UniformIVec2(data),
single_ivec3=lambda data: ngl.UniformIVec3(data),
single_ivec4=lambda data: ngl.UniformIVec4(data),
single_uint=lambda data: ngl.UniformUInt(data),
single_uvec2=lambda data: ngl.UniformUIVec2(data),
single_uvec3=lambda data: ngl.UniformUIVec3(data),
single_uvec4=lambda data: ngl.UniformUIVec4(data),
single_mat4=lambda data: ngl.UniformMat4(data),
single_quat_mat4=lambda data: ngl.UniformQuat(data, as_mat4=True),
single_quat_vec4=lambda data: ngl.UniformQuat(data, as_mat4=False),
single_vec2=lambda data: ngl.UniformVec2(data),
single_vec3=lambda data: ngl.UniformVec3(data),
single_vec4=lambda data: ngl.UniformVec4(data),
)
def _get_field_decl(layout, f):