#!/usr/bin/python
"""Skeletal executable for the mudpy engine."""

# Copyright (c) 2006 mudpy, Jeremy Stanley <fungi@yuggoth.org>, all rights reserved.
# Licensed per terms in the LICENSE file distributed with this software.

# core objects for the mudpy engine
import mudpy

# a consistent list so we can reimport these on reload
importlist = [
	"create_pidfile",
	"daemonize",
	"log",
	"on_pulse",
	"reload_data",
	"remove_pidfile",
	"universe"
	]
for item in importlist: exec("from mudpy import " + item)

# log an initial message
from sys import argv
log("Started mudpy with command line: " + " ".join(argv))

# fork and disassociate
daemonize()

# make the pidfile
create_pidfile(universe)

# loop indefinitely while the world is not flagged for termination or
# there are connected users
while not universe.terminate_world or universe.userlist:

	# the world was flagged for a reload of all code/data
	if universe.reload_modules:

		# reload the mudpy module
		reload(mudpy)
		for item in importlist: exec("from mudpy import " + item)

		# move data into new persistent objects
		reload_data()

		# reset the reload flag
		universe.reload_modules = False

	# do what needs to be done on each pulse
	on_pulse()

# the loop has terminated, so save persistent data
universe.save()

# log a final message
log("Shutting down now.")

# get rid of the pidfile
remove_pidfile(universe)