def __init__(self):
"""Base class initializer.
Initialize base class and manager classes. Manager classes and their methods form the Driftwood Scripting API.
Attributes:
config: ConfigManager instance.
log: LogManager instance.
database: DatabaseManager instance.
filetype: Shortcut to filetype module.
tick: TickManager instance.
path: PathManager instance.
cache: CacheManager instance.
resource: ResourceManager instance.
input: InputManager instance.
window: WindowManager instance.
entity: EntityManager instance.
area: AreaManager instance.
script: ScriptManager instance.
keycode: Contains the SDL keycodes.
running: Whether the mainloop should continue running. Set False to shut down the engine.
"""
self.config = ConfigManager(self)
self.log = LogManager(self)
self.database = DatabaseManager(self)
self.tick = TickManager(self)
self.path = PathManager(self)
self.cache = CacheManager(self)
self.resource = ResourceManager(self)
self.input = InputManager(self)
self.window = WindowManager(self)
self.entity = EntityManager(self)
self.area = AreaManager(self)
self.script = ScriptManager(self)
# SDL Keycodes.
self.keycode = keycode
self.running = False
class Driftwood:
"""The top-level base class
This class contains the top level manager class instances and the mainloop. The instance of this class is
passed to scripts as an API reference.
"""
def __init__(self):
"""Base class initializer.
Initialize base class and manager classes. Manager classes and their methods form the Driftwood Scripting API.
Attributes:
config: ConfigManager instance.
log: LogManager instance.
database: DatabaseManager instance.
filetype: Shortcut to filetype module.
tick: TickManager instance.
path: PathManager instance.
cache: CacheManager instance.
resource: ResourceManager instance.
input: InputManager instance.
window: WindowManager instance.
entity: EntityManager instance.
area: AreaManager instance.
script: ScriptManager instance.
keycode: Contains the SDL keycodes.
running: Whether the mainloop should continue running. Set False to shut down the engine.
"""
self.config = ConfigManager(self)
self.log = LogManager(self)
self.database = DatabaseManager(self)
self.tick = TickManager(self)
self.path = PathManager(self)
self.cache = CacheManager(self)
self.resource = ResourceManager(self)
self.input = InputManager(self)
self.window = WindowManager(self)
self.entity = EntityManager(self)
self.area = AreaManager(self)
self.script = ScriptManager(self)
# SDL Keycodes.
self.keycode = keycode
self.running = False
def run(self):
"""Perform startup procedures and enter the mainloop.
"""
# Only run if not already running.
if not self.running:
self.running = True
# Execute the init function of the init script if present.
if not self.path["init.py"]:
self.log.msg("WARNING", "Driftwood", "init.py missing, nothing will happen")
else:
self.script.call("init.py", "init")
# Escape key pauses the engine.
self.input.register(self.keycode.SDLK_ESCAPE, self.__handle_pause)
# This is the mainloop.
while self.running:
# Process SDL events.
sdlevents = sdl2ext.get_events()
for event in sdlevents:
if event.type == SDL_QUIT:
# Stop running.
self.running = False
elif event.type == SDL_KEYDOWN:
# Pass a keydown to the Input Manager.
self.input._key_down(event.key.keysym.sym)
elif event.type == SDL_KEYUP:
# Pass a keyup to the Input Manager.
self.input._key_up(event.key.keysym.sym)
elif event.type == SDL_WINDOWEVENT and event.window.event == SDL_WINDOWEVENT_EXPOSED:
self.window.refresh()
# Process tick callbacks.
self.tick.tick()
print("Shutting down...")
return 0
def __handle_pause(self, keyevent):
if keyevent == InputManager.ONDOWN:
# Shift+Escape shuts down the engine.
if self.input.pressed(self.keycode.SDLK_LSHIFT) or self.input.pressed(self.keycode.SDLK_RSHIFT):
self.running = False
else:
self.tick.toggle_pause()
