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import pygame
class Input:
def __init__(self, debug=True):
self.debug = debug
self.controller = None
self.prev_button_states = {}
self.prev_axis_states = {"x": 0, "y": 0}
self.prev_hat_states = (0, 0)
if not self.debug:
pygame.joystick.init()
if pygame.joystick.get_count() > 0:
self.controller = pygame.joystick.Joystick(0)
self.controller.init()
def get_input(self, event):
if self.debug:
return self.get_keyboard_input(event)
else:
return self.get_controller_input(event)
def get_keyboard_input(self, event):
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
return "UP"
if event.key == pygame.K_DOWN:
return "DOWN"
if event.key == pygame.K_LEFT:
return "LEFT"
if event.key == pygame.K_RIGHT:
return "RIGHT"
if event.key == pygame.K_RETURN:
return "SELECT"
if event.key == pygame.K_ESCAPE:
return "QUIT"
return None
def get_controller_input(self, event):
if not self.controller:
return None
if event.type == pygame.JOYAXISMOTION:
if event.axis == 0: # X-axis (left/right)
prev_x = self.prev_axis_states["x"]
curr_x = event.value
self.prev_axis_states["x"] = curr_x
if prev_x > -0.5 and curr_x < -0.5: # Transition to left
return "LEFT"
if prev_x < 0.5 and curr_x > 0.5: # Transition to right
return "RIGHT"
elif event.axis == 1: # Y-axis (up/down)
prev_y = self.prev_axis_states["y"]
curr_y = event.value
self.prev_axis_states["y"] = curr_y
if prev_y > -0.5 and curr_y < -0.5: # Transition to up
return "UP"
if prev_y < 0.5 and curr_y > 0.5: # Transition to down
return "DOWN"
elif event.type == pygame.JOYHATMOTION:
# D-pad
prev_hat = self.prev_hat_states
curr_hat = event.value
self.prev_hat_states = curr_hat
if prev_hat[0] == 0 and curr_hat[0] == -1: # Transition to left
return "LEFT"
if prev_hat[0] == 0 and curr_hat[0] == 1: # Transition to right
return "RIGHT"
if prev_hat[1] == 0 and curr_hat[1] == 1: # Transition to up
return "UP"
if prev_hat[1] == 0 and curr_hat[1] == -1: # Transition to down
return "DOWN"
elif event.type == pygame.JOYBUTTONDOWN:
button = event.button
if button not in self.prev_button_states:
self.prev_button_states[button] = False
if not self.prev_button_states[button]:
self.prev_button_states[button] = True
if button == 0:
return "DOWN"
if button == 1:
return "LEFT"
if button == 2:
return "UP"
if button == 3:
return "RIGHT"
if button == 4:
return "START"
if button == 5:
return "SELECT"
elif event.type == pygame.JOYBUTTONUP:
if event.button in self.prev_button_states:
self.prev_button_states[event.button] = False
return None
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