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python-roguelike/game_map.py
Timothy Warren 02215c884a Add death
2022-01-10 14:09:31 -05:00

104 lines
3.0 KiB
Python

from __future__ import annotations
from typing import Iterable, Iterator, Optional, TYPE_CHECKING
import numpy as np # type: ignore
from tcod.console import Console
from entity import Actor
import tile_types
if TYPE_CHECKING:
from engine import Engine
from entity import Entity
class GameMap:
def __init__(
self,
engine: Engine,
width: int,
height: int,
entities: Iterable[Entity] = ()
):
self.engine = engine
self.width, self.height = width, height
self.entities = set(entities)
self.tiles = np.full((width, height), fill_value=tile_types.wall, order="F")
self.visible = np.full(
(width, height),
fill_value=False,
order="F"
) # Tiles the player can currently see
self.explored = np.full(
(width, height),
fill_value=False,
order="F"
) # Tiles the player has seen before
@property
def actors(self) -> Iterator[Actor]:
"""Iterate over this map's living actors."""
yield from (
entity
for entity in self.entities
if isinstance(entity, Actor) and entity.is_alive
)
def get_blocking_entity_at_location(
self,
location_x: int,
location_y: int
) -> Optional[Entity]:
for entity in self.entities:
if (
entity.blocks_movement
and entity.x == location_x
and entity.y == location_y
):
return entity
return None
def get_actor_at_location(self, x: int, y: int) -> Optional[Actor]:
for actor in self.actors:
if actor.x == x and actor.y == y:
return actor
return None
def in_bounds(self, x: int, y: int) -> bool:
"""Return True if x and y are inside the bounds of the map."""
return 0 <= x < self.width and 0 <= y < self.height
def render(self, console: Console):
"""
Renders the map.
If a tile is in the "visible" array, then draw it with the "light" colors.
If it isn't, but it's in the "explored" array, then draw it with the "dark" colors.
Otherwise, the default is "SHROUD".
:param console:
:return:
"""
console.tiles_rgb[0: self.width, 0: self.height] = np.select(
condlist=[self.visible, self.explored],
choicelist=[self.tiles["light"], self.tiles["dark"]],
default=tile_types.SHROUD,
)
entities_sorted_for_rendering = sorted(
self.entities, key=lambda x: x.render_order.value
)
for entity in entities_sorted_for_rendering:
# Only print entities that are in the FOV
if self.visible[entity.x, entity.y]:
console.print(
x=entity.x,
y=entity.y,
string=entity.char,
fg=entity.color
)