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from dataclasses import dataclass
from os import path
from sys import stderr
from config import Config
@dataclass
class InputSettings:
"""Settings for keybinds"""
down: str = "Down"
left: str = "Left"
up: str = "Up"
right: str = "Right"
action: str = "space"
pause: str = "Escape"
boss: str = "F9"
def save_inputs(self):
"""Save keybinds to a file"""
with open(Config.SETTINGS_FILE, "w", encoding="utf-8") as file:
for key, value in vars(self).items():
file.write(f"{key}: {value}\n")
def load_inputs(self):
"""Load keybinds from a file"""
if path.exists(Config.SETTINGS_FILE):
with open(Config.SETTINGS_FILE, "r", encoding="utf-8") as file:
for line in file.readlines():
split = line.strip().split(": ")
if len(split) == 2:
setattr(self, split[0], split[1])
else:
print(
f"Settings file corrupted? Invalid line {line}",
file=stderr
)
class InputController:
"""Object which listens to key inputs"""
def __init__(self, game) -> None:
"""Initialise the input controller
:param game: The game which this belongs to
:rtype: None
"""
game.win.bind('<KeyPress>', self.on_key_press)
game.win.bind('<KeyRelease>', self.on_key_release)
self.handlers = []
self.settings = InputSettings()
self.settings.load_inputs()
self.k_down = False
self.k_left = False
self.k_up = False
self.k_right = False
self.k_action = False
self.k_pause = False
self.k_boss = False
def on_key_press(self, e):
"""Handle Key press events
:param e: The key press event to handle
"""
if e.keysym == self.settings.left:
self.k_left = True
if e.keysym == self.settings.right:
self.k_right = True
if e.keysym == self.settings.up:
self.k_up = True
if e.keysym == self.settings.down:
self.k_down = True
if e.keysym == self.settings.action:
self.k_action = True
if e.keysym == self.settings.pause:
self.k_pause = True
for t, h in self.handlers:
if t == "press" and h(e):
break
def on_key_release(self, e):
"""Handle Key release events
:param e: The key press event to handle
"""
if e.keysym == self.settings.left:
self.k_left = False
if e.keysym == self.settings.right:
self.k_right = False
if e.keysym == self.settings.up:
self.k_up = False
if e.keysym == self.settings.down:
self.k_down = False
if e.keysym == self.settings.action:
self.k_action = False
if e.keysym == self.settings.pause:
self.k_pause = False
for t, h in self.handlers:
if t == "release" and h(e):
break
def add_keypress_handler(self, callback):
"""Register a key press listener
:param callback:
"""
self.handlers.insert(0, ("press", callback))
def add_keyrelease_handler(self, callback):
"""Register a key release listener
:param callback:
"""
self.handlers.insert(0, ("release", callback))
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