1 files changed, 133 insertions, 0 deletions
diff --git a/inputs.py b/inputs.py
new file mode 100644
index 0000000..c42cf89
--- /dev/null
+++ b/inputs.py
@@ -0,0 +1,133 @@
+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))