def game_loop():
""" Main game loop, currently scenes are not support, so every part (main menu, game over,...) is separate """
# Stop music, since we can enter the game loop from another screen with music
Sound.stop_all_sounds()
Sound.play_sound('Ouroboros')
# Set palette
Palette.set_palette(Palette.GAME_PALETTE)
# Set resolution
set_resolution(80, 35)
# Setup data for game loop
fb_width = 80
fb_height = 30
fb = framebuffer.make_framebuffer(fb_width, fb_height)
frame = 0
last_time = time.time()
# Spawn frame counter
frame_counter = 0
# Setup sprite manager, add rodney
sm = framebuffer.SpriteManager()
sm.add_sprite('rodney', 6, 10, 'rodney')
# Create bg
bg = sprites.bg
bg_counter = 0
# Game loop
while True:
current_time = time.time()
if current_time - last_time > 0.1:
last_time = current_time
framebuffer.draw_background(bg_counter // 10, bg, fb)
sm.advance_ai(fb, frame)
Spawning.check_spawns(Spawning.SPAWN_LIST_STAGE_1, frame_counter, sm)
sm.check_collision(fb)
# Normally we would have fancy stuff to detect a game state change
# but we simply check if rodney is still alive and then let his ai method decide on what to do
try:
rodney = sm.get_unique_sprite('rodney')
if 'ai_quit_to_main_menu' in rodney.info:
return 'main_menu'
if 'ai_game_won' in rodney.info:
return 'end_screen'
except KeyError:
return 'game_over'
sm.draw_all(frame, fb)
framebuffer.print_framebuffer(fb)
# Advance framenumber, wrap around at 60
# 60 is quite divisible (2, 3, 4, 5, 6, 10) which allows for many different loopable animations
# animation state is a global state not a per-sprite state
frame = (frame + 1) % 60
# Advance bg counter
bg_counter += 1
frame_counter += 1
# HUD
#print('RODNEY: %s ' % (Fore.RED + ('#' * sm.get_unique_sprite('rodney').info['health']) + Fore.RESET), end="")
# TODO dangerous, if rodney get's removed we get an exception, but currently it's filtered above
print('________________________________________________________________________________', end='')
print('RODNEY HEALTH: %i ' % sm.get_unique_sprite('rodney').info['health'], end='\n')
for sprite in sm.sprites:
if sprite.unique_sprite_name == 'razmi':
razmi = sprite
blocks = int((razmi.info['health'] / razmi.info['health_max']) * 10)
print('RAVIOLI: %s ' % (Fore.RED + ('\u2588' * blocks + Fore.RESET)), end='')
# Reset position and flush all output
reset_console_position()
sys.stdout.flush()
def main_menu():
# Window size
window_x = 41
window_y = 20
# Clear screen
os.system('cls')
# Stop music, start music
Sound.stop_all_sounds()
Sound.play_sound('BlipStream')
# Set palette
Palette.set_palette(Palette.GAME_PALETTE)
# Set resolution
set_resolution(window_x, window_y)
# Setup framebuffer
fb = framebuffer.make_framebuffer(window_x, window_y-1)
# Reset drawing position
reset_console_position()
# Setup variables for game loop
frame = 0
current_time = time.time()
last_time = current_time
# Add sprites
sm = framebuffer.SpriteManager()
sm.add_sprite('press_any_key', 10, 5)
sm.add_sprite('credits', 0, 15)
sm.add_sprite('rodney', 4, 3)
sm.add_sprite('razmi', 27, 0)
while True:
current_time = time.time()
if current_time - last_time > 0.1:
last_time = current_time
# Clear framebuffer
framebuffer.clear_framebuffer(fb)
# Draw sprites to framebuffer
sm.draw_all(frame, fb)
# Increase frame counter
frame = (frame + 1) % 60
# Draw framebuffer
framebuffer.print_framebuffer(fb)
# Reset position and flush all output
reset_console_position()
sys.stdout.flush()
# Handling is done here instead of a sprite ai because no ai calls are made (only animation is needed)
if msvcrt.kbhit():
parsed_chars = set()
while msvcrt.kbhit():
input_char = msvcrt.getch()
input_int = struct.unpack('B', input_char)[0]
if input_int in parsed_chars:
continue
parsed_chars.add(input_int)
# If ESC is pressed
if input_char == b'\x1b':
# Exit game
sys.exit()
else:
# Consume the rest of the characters
while msvcrt.kbhit():
msvcrt.getch()
# Start game (see main)
return