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tile_types.py
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tile_types.py
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from typing import Tuple
import numpy as np # type: ignore
# Tile graphics structured type compatible with Console.tiles_rgb.
graphic_dt = np.dtype(
[
("ch", np.int32), # Unicode codepoint.
("fg", "3B"), # 3 unsigned bytes, for RGB colors.
("bg", "3B"),
]
)
# Tile struct used for statically defined tile data.
tile_dt = np.dtype(
[
("walkable", bool), # True if this tile can be walked over.
("transparent", bool), # True if this tile doesn't block FOV.
("dark", graphic_dt), # Graphics for when this tile is not in FOV.
]
)
def new_tile(
*, # Enforce the use of keywords, so that parameter order doesn't matter.
walkable: int,
transparent: int,
dark: Tuple[int, Tuple[int, int, int], Tuple[int, int, int]],
) -> np.ndarray:
"""Helper function for defining individual tile types """
return np.array((walkable, transparent, dark), dtype=tile_dt)
floor = new_tile(
walkable=True, transparent=True, dark=(ord("."), (255, 255, 255), (0, 0, 0)),
)
wall = new_tile(
walkable=False, transparent=False, dark=(ord("#"), (255, 255, 255), (0, 0, 0)),
)