going-rogue/roguebasin/events.py

42 lines
1.4 KiB
Python

# Eryn Wells <eryn@erynwells.me>
'''Defines event handling mechanisms.'''
from typing import Optional
import tcod
from .actions import Action, ExitAction, RegenerateRoomsAction, BumpAction
from .geometry import Direction
class EventHandler(tcod.event.EventDispatch[Action]):
'''Handler of `tcod` events'''
def ev_quit(self, event: tcod.event.Quit) -> Optional[Action]:
return ExitAction()
def ev_keydown(self, event: tcod.event.KeyDown) -> Optional[Action]:
action: Optional[Action] = None
sym = event.sym
match sym:
case tcod.event.KeySym.b:
action = BumpAction(Direction.SouthWest)
case tcod.event.KeySym.h:
action = BumpAction(Direction.West)
case tcod.event.KeySym.j:
action = BumpAction(Direction.South)
case tcod.event.KeySym.k:
action = BumpAction(Direction.North)
case tcod.event.KeySym.l:
action = BumpAction(Direction.East)
case tcod.event.KeySym.n:
action = BumpAction(Direction.SouthEast)
case tcod.event.KeySym.u:
action = BumpAction(Direction.NorthEast)
case tcod.event.KeySym.y:
action = BumpAction(Direction.NorthWest)
case tcod.event.KeySym.SPACE:
action = RegenerateRoomsAction()
return action