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Fix division by zero for very close waypoints.

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Fixes https://github.com/Khopa/dcs_liberation/issues/557
This commit is contained in:
Dan Albert 2020-12-12 14:51:03 -08:00
parent affb332eb9
commit 08ceb57c31
1 changed files with 12 additions and 2 deletions
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12
gen/kneeboard.py
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@ -26,7 +26,7 @@ import datetime
from collections import defaultdict from collections import defaultdict
from dataclasses import dataclass from dataclasses import dataclass
from pathlib import Path from pathlib import Path
from typing import Dict, List, Optional, Tuple, TYPE_CHECKING from typing import Dict, List, Optional, TYPE_CHECKING, Tuple
from PIL import Image, ImageDraw, ImageFont from PIL import Image, ImageDraw, ImageFont
from dcs.mission import Mission from dcs.mission import Mission
@ -44,6 +44,8 @@ from .runways import RunwayData
if TYPE_CHECKING: if TYPE_CHECKING:
from game import Game from game import Game
class KneeboardPageWriter: class KneeboardPageWriter:
"""Creates kneeboard images.""" """Creates kneeboard images."""
@ -191,7 +193,15 @@ class FlightPlanBuilder:
waypoint.position waypoint.position
)) ))
duration = (waypoint.tot - last_time).total_seconds() / 3600 duration = (waypoint.tot - last_time).total_seconds() / 3600
try:
return f"{int(distance / duration)} kt" return f"{int(distance / duration)} kt"
except ZeroDivisionError:
# TODO: Improve resolution of unit conversions.
# When waypoints are very close to each other they can end up with
# identical TOTs because our unit conversion functions truncate to
# int. When waypoints have the same TOT the duration will be zero.
# https://github.com/Khopa/dcs_liberation/issues/557
return "-"
def build(self) -> List[List[str]]: def build(self) -> List[List[str]]:
return self.rows return self.rows