tile_types.py

from typing import Tuple
import numpy as np

graphic_dt = np.dtype(
    [
        ("ch", np.int32),  # Unicode codepoint
        ("fg", "3B"),  # 3 unsigned bytes for RGB colors
        ("bg", "3B"),
    ]
)

tile_dt = np.dtype(
    [
        ("walkable", np.bool),  # True if this tile can be walked on
        ("transparent", np.bool),  # True if this tile doesn't block FOV
        ("dark", graphic_dt),  # Graphics for when this tile is not in FOV
        ("light", graphic_dt),  # Graphics for when this tile is in FOV
    ]
)

def new_tile(
        *,
        walkable: int,
        transparent: int,
        dark: Tuple[int, Tuple[int, int, int], Tuple[int, int, int]],
        light: 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, light), dtype=tile_dt)

SHROUD = np.array((ord(" "), (255, 255, 255), (0, 0, 0)), dtype=graphic_dt)

floor = new_tile(
    walkable=True,
    transparent=True,
    dark=(ord(" "), (255, 255, 255), (50, 50, 150)),
    light=(ord(" "), (255, 255, 255), (200, 180, 50)),
)
wall = new_tile(
    walkable=False,
    transparent=False,
    dark=(ord(" "), (255, 255, 255), (0, 0, 100)),
    light=(ord(" "), (255, 255, 255), (130, 110, 50)),
)