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python-roguelike/engine.py

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from __future__ import annotations
from typing import TYPE_CHECKING
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from tcod.context import Context
from tcod.console import Console
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from tcod.map import compute_fov
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from input_handlers import MainGameEventHandler
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if TYPE_CHECKING:
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from entity import Actor
from game_map import GameMap
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class Engine:
game_map: GameMap
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def __init__(self, player: Actor):
self.event_handler: EventHandler = MainGameEventHandler(self)
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self.player = player
def handle_enemy_turns(self) -> None:
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for entity in set(self.game_map.actors) - {self.player}:
if entity.ai:
entity.ai.perform()
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def update_fov(self) -> None:
"""Recompute the visible area based on the player's point of view."""
self.game_map.visible[:] = compute_fov(
self.game_map.tiles["transparent"],
(self.player.x, self.player.y),
radius=8,
)
# If a tile is "visible" it should be added to "explored"
self.game_map.explored |= self.game_map.visible
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def render(self, console: Console, context: Context) -> None:
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self.game_map.render(console)
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console.print(
x=1,
y=47,
string=f"HP: {self.player.fighter.hp}/{self.player.fighter.max_hp}",
)
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# Actually output to screen
context.present(console)
console.clear()