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rf: define the tile layer data type

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Benjamin Kirkbride
2020-04-19 00:57:38 -04:00
parent 8b050fb566
commit e44740d199
1 changed files with 19 additions and 7 deletions
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26
pytiled_parser/xml_parser.py
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@@ -12,10 +12,13 @@ from typing import Callable, Dict, List, Optional, Tuple, Union
import pytiled_parser.objects as objects import pytiled_parser.objects as objects
from pytiled_parser.utilities import parse_color from pytiled_parser.utilities import parse_color
# See: https://doc.mapeditor.org/en/stable/reference/tmx-map-format/#data
TileLayerData = List[List[int]]
def _decode_base64_data( def _decode_base64_data(
data_text: str, layer_width: int, compression: Optional[str] = None data_text: str, layer_width: int, compression: Optional[str] = None
) -> List[List[int]]: ) -> TileLayerData:
"""Decode base64 data. """Decode base64 data.
Args: Args:
@@ -27,9 +30,9 @@ def _decode_base64_data(
ValueError: If compression type is unsupported. ValueError: If compression type is unsupported.
Returns: Returns:
:List[List[int]]: Tile grid. TileLayerData: Tile grid.
""" """
tile_grid: List[List[int]] = [[]] tile_grid: TileLayerData = [[]]
unencoded_data = base64.b64decode(data_text) unencoded_data = base64.b64decode(data_text)
if compression == "zlib": if compression == "zlib":
@@ -62,14 +65,14 @@ def _decode_base64_data(
return tile_grid return tile_grid
def _decode_csv_data(data_text: str) -> List[List[int]]: def _decode_csv_data(data_text: str) -> TileLayerData:
"""Decodes csv encoded layer data. """Decodes csv encoded layer data.
Args: Args:
data_text (str): Data to be decoded. data_text (str): Data to be decoded.
Returns: Returns:
List[List[int]]: Tile grid. TileLayerData: Tile grid.
""" """
tile_grid = [] tile_grid = []
lines: List[str] = data_text.split("\n") lines: List[str] = data_text.split("\n")
@@ -86,12 +89,21 @@ def _decode_csv_data(data_text: str) -> List[List[int]]:
return tile_grid return tile_grid
TileLayerDecoder = Callable[[str, Optional[int], Optional[str]], TileLayerData]
def _get_tile_layer_decoder(
encoding: str, compression: Optional[str] = None
) -> TileLayerDecoder:
pass
def _decode_tile_layer_data( def _decode_tile_layer_data(
element: etree.Element, element: etree.Element,
layer_width: int, layer_width: int,
encoding: str, encoding: str,
compression: Optional[str] = None, compression: Optional[str] = None,
) -> List[List[int]]: ) -> TileLayerData:
"""Decodes tile layer data or chunk data. """Decodes tile layer data or chunk data.
See: https://doc.mapeditor.org/en/stable/reference/tmx-map-format/#tmx-data See: https://doc.mapeditor.org/en/stable/reference/tmx-map-format/#tmx-data
@@ -111,7 +123,7 @@ def _decode_tile_layer_data(
AttributeError: No data in element. AttributeError: No data in element.
Returns: Returns:
List[List[int]]: Tile grid. TileLayerData: Tile grid.
""" """
supported_encodings = ["base64", "csv"] supported_encodings = ["base64", "csv"]
if encoding not in supported_encodings: if encoding not in supported_encodings: