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https://github.com/dcs-liberation/dcs_liberation.git
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63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
from __future__ import annotations
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from typing import Union
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from dcs import Point
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from dcs.mapping import LatLng
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from pydantic import BaseModel
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from shapely.geometry import LineString, MultiLineString, MultiPolygon, Polygon
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from game.theater import ConflictTheater
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class LeafletPoint(BaseModel):
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lat: float
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lng: float
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class Config:
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orm_mode = True
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title = "LatLng"
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LeafletPoly = list[LeafletPoint]
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class ShapelyUtil:
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@staticmethod
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def latlng_to_leaflet(latlng: LatLng) -> LeafletPoint:
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return LeafletPoint(lat=latlng.lat, lng=latlng.lng)
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@classmethod
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def poly_to_leaflet(cls, poly: Polygon, theater: ConflictTheater) -> LeafletPoly:
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if poly.is_empty:
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return []
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return [
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cls.latlng_to_leaflet(Point(x, y, theater.terrain).latlng())
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for x, y in poly.exterior.coords
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]
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@classmethod
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def polys_to_leaflet(
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cls, poly: Union[Polygon, MultiPolygon], theater: ConflictTheater
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) -> list[LeafletPoly]:
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if isinstance(poly, MultiPolygon):
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polys = poly.geoms
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else:
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polys = [poly]
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return [cls.poly_to_leaflet(poly, theater) for poly in polys]
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@staticmethod
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def line_to_leaflet(line: LineString, theater: ConflictTheater) -> list[LatLng]:
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return [Point(x, y, theater.terrain).latlng() for x, y in line.coords]
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@classmethod
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def lines_to_leaflet(
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cls, line_string: MultiLineString | LineString, theater: ConflictTheater
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) -> list[list[LatLng]]:
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if isinstance(line_string, MultiLineString):
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lines = line_string.geoms
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else:
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lines = [line_string]
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return [cls.line_to_leaflet(line, theater) for line in lines]
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