def flag_angles(inst, flag):
"""Check that a instance is pointed in a direction."""
angle = inst["angles", "0 0 0"]
if flag.has_children():
targ_angle = flag["direction", "0 0 0"]
from_dir = flag["from_dir", "0 0 1"]
if from_dir.casefold() in DIRECTIONS:
from_dir = Vec(DIRECTIONS[from_dir.casefold()])
else:
from_dir = Vec.from_str(from_dir, 0, 0, 1)
allow_inverse = utils.conv_bool(flag["allow_inverse", "0"])
else:
targ_angle = flag.value
from_dir = Vec(0, 0, 1)
allow_inverse = False
if angle == targ_angle:
return True # Check for exact match
normal = DIRECTIONS.get(targ_angle.casefold(), None)
if normal is None:
return False # If it's not a special angle,
# so it failed the exact match
angle = Vec.from_str(angle, 0, 0, 0)
inst_normal = from_dir.rotate(angle.x, angle.y, angle.z)
if normal == "WALL":
# Special case - it's not on the floor or ceiling
return not (inst_normal == (0, 0, 1) or inst_normal == (0, 0, -1))
else:
return inst_normal == normal or (allow_inverse and -inst_normal == normal)
def flag_angles(inst, flag):
"""Check that a instance is pointed in a direction.
The value should be either just the angle to check, or a block of
options:
- Angle: A unit vector (XYZ value) pointing in a direction, or some
keywords: +z, -y, N/S/E/W, up/down, floor/ceiling, or walls
- From_dir: The direction the unrotated instance is pointed in.
This lets the flag check multiple directions
- Allow_inverse: If true, this also returns True if the instance is
pointed the opposite direction .
"""
angle = inst['angles', '0 0 0']
if flag.has_children():
targ_angle = flag['direction', '0 0 0']
from_dir = flag['from_dir', '0 0 1']
if from_dir.casefold() in DIRECTIONS:
from_dir = Vec(DIRECTIONS[from_dir.casefold()])
else:
from_dir = Vec.from_str(from_dir, 0, 0, 1)
allow_inverse = utils.conv_bool(flag['allow_inverse', '0'])
else:
targ_angle = flag.value
from_dir = Vec(0, 0, 1)
allow_inverse = False
if angle == targ_angle:
return True # Check for exact match
normal = DIRECTIONS.get(targ_angle.casefold(), None)
if normal is None:
return False # If it's not a special angle,
# so it failed the exact match
inst_normal = from_dir.rotate_by_str(angle)
if normal == 'WALL':
# Special case - it's not on the floor or ceiling
return not (inst_normal == (0, 0, 1) or inst_normal == (0, 0, -1))
else:
return inst_normal == normal or (
allow_inverse and -inst_normal == normal
)
