60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
from typing import Set, Iterable, Any
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from tcod.context import Context
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from tcod.console import Console
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from tcod.map import compute_fov
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from entity import Entity
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from game_map import GameMap
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from input_handlers import EventHandler
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class Engine:
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def __init__(
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self,
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entities: Set[Entity],
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event_handler: EventHandler,
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game_map: GameMap,
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player: Entity
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):
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self.entities = entities
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self.event_handler = event_handler
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self.game_map = game_map
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self.player = player
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self.update_fov()
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def handle_events(self, events: Iterable[Any]) -> None:
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for event in events:
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action = self.event_handler.dispatch(event)
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if action is None:
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continue
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action.perform(self, self.player)
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# Update the FOV before the player's next action.
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self.update_fov()
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def update_fov(self) -> None:
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"""Recompute the visible area based on the player's point of view."""
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self.game_map.visible[:] = compute_fov(
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self.game_map.tiles["transparent"],
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(self.player.x, self.player.y),
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radius=8,
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)
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# If a tile is "visible" it should be added to "explored"
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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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for entity in self.entities:
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# Only print entities that are in FOV
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if self.game_map.visible[entity.x, entity.y]:
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console.print(entity.x, entity.y, entity.char, fg=entity.color)
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# Actually output to screen
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context.present(console)
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console.clear()
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