Joystick and Game Controller Input

def SDL_NumJoysticks() -> int:
    """
    Get the number of joysticks attached to the system.
    
    Returns:
    Number of joysticks available
    """

def SDL_JoystickNameForIndex(device_index: int) -> bytes:
    """Get the implementation-dependent name of a joystick."""

def SDL_JoystickOpen(device_index: int) -> SDL_Joystick:
    """
    Open a joystick for use.
    
    Parameters:
    - device_index: index of the joystick to open
    
    Returns:
    SDL_Joystick object or None on failure
    """

def SDL_JoystickClose(joystick: SDL_Joystick) -> None:
    """Close a joystick previously opened with SDL_JoystickOpen."""

def SDL_JoystickGetDeviceGUID(device_index: int) -> SDL_JoystickGUID:
    """Get the implementation-dependent GUID for the joystick at a given device index."""

def SDL_JoystickInstanceID(joystick: SDL_Joystick) -> int:
    """Get the instance ID of an opened joystick."""

def SDL_JoystickNumAxes(joystick: SDL_Joystick) -> int:
    """Get the number of general axis controls on a joystick."""

def SDL_JoystickNumButtons(joystick: SDL_Joystick) -> int:
    """Get the number of buttons on a joystick."""

def SDL_JoystickNumHats(joystick: SDL_Joystick) -> int:
    """Get the number of POV hats on a joystick."""

def SDL_JoystickGetAxis(joystick: SDL_Joystick, axis: int) -> int:
    """
    Get the current state of an axis on a joystick.
    
    Parameters:
    - joystick: joystick to query
    - axis: axis index (0-based)
    
    Returns:
    Axis value ranging from -32768 to 32767
    """

def SDL_JoystickGetButton(joystick: SDL_Joystick, button: int) -> int:
    """
    Get the current state of a button on a joystick.
    
    Parameters:
    - joystick: joystick to query  
    - button: button index (0-based)
    
    Returns:
    1 if button is pressed, 0 if not pressed
    """

def SDL_JoystickGetHat(joystick: SDL_Joystick, hat: int) -> int:
    """Get the current state of a POV hat on a joystick."""

def SDL_IsGameController(joystick_index: int) -> bool:
    """Check if the given joystick is supported by the game controller interface."""

def SDL_GameControllerOpen(joystick_index: int) -> SDL_GameController:
    """
    Open a game controller for use.
    
    Parameters:
    - joystick_index: index of the device to open
    
    Returns:
    SDL_GameController object or None on failure
    """

def SDL_GameControllerClose(gamecontroller: SDL_GameController) -> None:
    """Close a game controller previously opened with SDL_GameControllerOpen."""

def SDL_GameControllerName(gamecontroller: SDL_GameController) -> bytes:
    """Get the implementation-dependent name for an opened game controller."""

def SDL_GameControllerGetJoystick(gamecontroller: SDL_GameController) -> SDL_Joystick:
    """Get the underlying joystick object used by a game controller."""

def SDL_GameControllerGetAxis(gamecontroller: SDL_GameController, axis: int) -> int:
    """
    Get the current state of an axis on a game controller.
    
    Parameters:
    - gamecontroller: controller to query
    - axis: axis constant (SDL_CONTROLLER_AXIS_*)
    
    Returns:
    Axis value ranging from -32768 to 32767
    """

def SDL_GameControllerGetButton(gamecontroller: SDL_GameController, button: int) -> int:
    """
    Get the current state of a button on a game controller.
    
    Parameters:
    - gamecontroller: controller to query
    - button: button constant (SDL_CONTROLLER_BUTTON_*)
    
    Returns:
    1 if button is pressed, 0 if not pressed
    """

# Joystick hat positions
SDL_HAT_CENTERED = 0x00
SDL_HAT_UP = 0x01
SDL_HAT_RIGHT = 0x02
SDL_HAT_DOWN = 0x04
SDL_HAT_LEFT = 0x08
SDL_HAT_RIGHTUP = 0x03
SDL_HAT_RIGHTDOWN = 0x06
SDL_HAT_LEFTUP = 0x09
SDL_HAT_LEFTDOWN = 0x0c

# Game controller axes
SDL_CONTROLLER_AXIS_LEFTX = 0
SDL_CONTROLLER_AXIS_LEFTY = 1
SDL_CONTROLLER_AXIS_RIGHTX = 2
SDL_CONTROLLER_AXIS_RIGHTY = 3
SDL_CONTROLLER_AXIS_TRIGGERLEFT = 4
SDL_CONTROLLER_AXIS_TRIGGERRIGHT = 5

# Game controller buttons  
SDL_CONTROLLER_BUTTON_A = 0
SDL_CONTROLLER_BUTTON_B = 1
SDL_CONTROLLER_BUTTON_X = 2
SDL_CONTROLLER_BUTTON_Y = 3
SDL_CONTROLLER_BUTTON_BACK = 4
SDL_CONTROLLER_BUTTON_GUIDE = 5
SDL_CONTROLLER_BUTTON_START = 6
SDL_CONTROLLER_BUTTON_LEFTSTICK = 7
SDL_CONTROLLER_BUTTON_RIGHTSTICK = 8
SDL_CONTROLLER_BUTTON_LEFTSHOULDER = 9
SDL_CONTROLLER_BUTTON_RIGHTSHOULDER = 10
SDL_CONTROLLER_BUTTON_DPAD_UP = 11
SDL_CONTROLLER_BUTTON_DPAD_DOWN = 12
SDL_CONTROLLER_BUTTON_DPAD_LEFT = 13
SDL_CONTROLLER_BUTTON_DPAD_RIGHT = 14

import sdl2

# Initialize SDL
sdl2.SDL_Init(sdl2.SDL_INIT_JOYSTICK)

# Check for joysticks
num_joysticks = sdl2.SDL_NumJoysticks()
if num_joysticks > 0:
    # Open first joystick
    joystick = sdl2.SDL_JoystickOpen(0)
    
    # Get joystick info
    name = sdl2.SDL_JoystickName(joystick)
    num_axes = sdl2.SDL_JoystickNumAxes(joystick)
    num_buttons = sdl2.SDL_JoystickNumButtons(joystick)
    
    print(f"Opened joystick: {name}")
    print(f"Axes: {num_axes}, Buttons: {num_buttons}")
    
    # Read input in game loop
    while True:
        # Update joystick state
        sdl2.SDL_JoystickUpdate()
        
        # Read first axis and button
        axis_value = sdl2.SDL_JoystickGetAxis(joystick, 0)
        button_pressed = sdl2.SDL_JoystickGetButton(joystick, 0)
        
        # Close joystick when done
        sdl2.SDL_JoystickClose(joystick)

import sdl2

# Initialize SDL with game controller support
sdl2.SDL_Init(sdl2.SDL_INIT_GAMECONTROLLER)

# Check for game controllers
for i in range(sdl2.SDL_NumJoysticks()):
    if sdl2.SDL_IsGameController(i):
        # Open game controller
        controller = sdl2.SDL_GameControllerOpen(i)
        
        # Read standardized input
        left_stick_x = sdl2.SDL_GameControllerGetAxis(
            controller, sdl2.SDL_CONTROLLER_AXIS_LEFTX
        )
        a_button = sdl2.SDL_GameControllerGetButton(
            controller, sdl2.SDL_CONTROLLER_BUTTON_A
        )
        
        # Close controller when done
        sdl2.SDL_GameControllerClose(controller)
        break

class SDL_Joystick:
    """Opaque joystick structure for raw joystick access."""

class SDL_GameController:
    """Opaque game controller structure for standardized controller input."""

class SDL_JoystickGUID:
    """Structure representing a joystick GUID."""
    data: bytes