Part 2.

tile_types.py

@@ -0,0 +1,37 @@
+from typing import Tuple
+
+import numpy as np
+
+graphic_dt = np.dtype(
+    [
+        ("ch", np.int32),
+        ("fg", "3b"),
+        ("bg", "3B"),
+    ]
+)
+
+tile_dt = np.dtype(
+    [
+        ("walkable", np.bool),
+        ("transparent", np.bool),
+        ("dark", graphic_dt),
+    ]
+)
+
+
+def new_tile(
+        *,
+        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), (50,50, 150)),
+)
+wall = new_tile(
+    walkable=False, transparent=True, dark=(ord(" "), (255,255,255), (0,0,100)),
+)