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Map

tcod-base implements two minimal, 'blank canvas'-style maps which each comprise a 100x100 area of tiles. One map represents ground and the other map represents water. These are useful base examples. However, a full game will likely require a more advanced map generation method.

How it works

In constants.py:

  1. Define the maps' dimensions (in tiles).
MAP_WIDTH = 100
MAP_HEIGHT = 100
  1. Define two N-dimensional arrays containing unicode code points, one for ground characters and the other for water characters.
GROUND: NDArray[np.int32] = np.array([ord(ch) for ch in "    ,.'`"], dtype=np.int32)
WATER: NDArray[np.int32] = np.array([ord(ch) for ch in "    ~≈"], dtype=np.int32)

In components.py, create a Tiles component:

Tiles = ("Tiles", NDArray[Any])

In world_manager.py, create two map entities and give each a Tiles component which references the relevant unicode array:

map0 = world[object()]
map0.components[Tiles] = GROUND[np.random.randint(GROUND.size, size=(MAP_HEIGHT, MAP_WIDTH))]
global_manager.maps["map0"] = map0

map1 = world[object()]
map1.components[Tiles] = WATER[np.random.randint(WATER.size, size=(MAP_HEIGHT, MAP_WIDTH))]
global_manager.maps["map1"] = map1

In play_state.py, render the relevant map:

screen_view, world_view = tcod.camera.get_views(console.rgb, map.components[Tiles], self.camera_ij)
screen_view["ch"] = world_view
screen_view["bg"] = COLOR_GROUND if map == global_manager.maps["map0"] else COLOR_WATER