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324 lines
13 KiB
Python
324 lines
13 KiB
Python
#!/usr/bin/env python
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"""A simple Multi-User Dungeon (MUD) game. Players can talk to each
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other, examine their surroundings and move between rooms.
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author: Mark Frimston - mfrimston@gmail.com
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"""
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import time
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import json
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# import the MUD server class
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from mudserver import MudServer
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with open('rooms.json', 'r') as f:
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rooms = json.load(f)
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# stores the players and npcs in the game
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players = {}
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# start the server
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mud = MudServer()
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# main game loop. We loop forever (i.e. until the program is terminated)
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while True:
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# pause for 1/5 of a second on each loop, so that we don't constantly
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# use 100% CPU time
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time.sleep(0.2)
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# 'update' must be called in the loop to keep the game running and give
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# us up-to-date information
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mud.update()
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# go through any newly connected players
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for id in mud.get_new_players():
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# add the new player to the dictionary, noting that they've not been
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# named yet.
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# The dictionary key is the player's id number. We set their room to
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# None initially until they have entered a name
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# Try adding more player stats - level, gold, inventory, etc
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players[id] = {
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"name": None,
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"room": None,
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}
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# send the new player a prompt for their name
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mud.send_message(id, """\r
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_ _ _ \r
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| |_ _____ _| |_ _ __ _ _| |__ \r
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| __/ _ \ \/ / __| '_ \| | | | '_ \ \r
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| || __/> <| |_| |_) | |_| | |_) |\r
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\__\___/_/\_\ __| .__/ \__,_|_.__/ \r
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|_| \r
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\r\r
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Hi there! This is the multiplayer, text-based version of the Experimental Publishing masters at PZI. How about you begin by letting us know what you want to be called? Then press enter.
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""")
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# go through any recently disconnected players
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for id in mud.get_disconnected_players():
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# if for any reason the player isn't in the player map, skip them and
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# move on to the next one
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if id not in players:
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continue
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# go through all the players in the game
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for pid, pl in players.items():
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# send each player a message to tell them about the diconnected
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# player
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mud.send_message(pid, "\r{} quit the game".format(
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players[id]["name"]))
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# remove the player's entry in the player dictionary
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del(players[id])
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# go through any new commands sent from players
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for id, command, params in mud.get_commands():
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# if for any reason the player isn't in the player map, skip them and
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# move on to the next one
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if id not in players:
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continue
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# if the player hasn't given their name yet, use this first command as
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# their name and move them to the starting room.
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if players[id]["name"] is None:
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players[id]["name"] = command
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players[id]["room"] = "Corridor"
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# go through all the players in the game
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for pid, pl in players.items():
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# send each player a message to tell them about the new player
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mud.send_message(pid, "{} has logged in.".format(
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players[id]["name"]))
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# send the new player a welcome message, and a description of the starting room
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mud.send_message(id, "Welcome to textpub, " +players[id]["name"]+ ". " + rooms[players[id]["room"]]["description"] + " Type 'help' for a list of commands. Have fun!")
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# each of the possible commands is handled below. Try adding new
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# commands to the game!
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# 'help' command
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elif command == "help":
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# send the player back the list of possible commands
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mud.send_message(id, "Commands:")
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mud.send_message(id, " say <message> - Says something out loud, "
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+ "e.g. 'say Hello'")
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mud.send_message(id, " look - Examines the "
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+ "surroundings, e.g. 'look'")
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mud.send_message(id, " go <exit> - Moves through the exit "
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+ "specified, e.g. 'go outside'")
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mud.send_message(id, " create <exit> <new roomname> - Creates a new exit and room")
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mud.send_message(id, " describe <description> - Change the description of the current room")
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# 'say' command
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elif command == "say":
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# go through every player in the game
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for pid, pl in players.items():
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# if they're in the same room as the player
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if players[pid]["room"] == players[id]["room"]:
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# send them a message telling them what the player said
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mud.send_message(pid, "{} says: {}".format(
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players[id]["name"], params))
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# 'look' command
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elif command == "look":
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# store the player's current room
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rm = rooms[players[id]["room"]]
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# send the player back the description of their current room
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mud.send_message(id, rm["description"])
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playershere = []
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# go through every player in the game
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for pid, pl in players.items():
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# if they're in the same room as the player
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if players[pid]["room"] == players[id]["room"]:
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# ... and they have a name to be shown
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if players[pid]["name"] is not None:
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# add their name to the list
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playershere.append(players[pid]["name"])
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# go through every npc in the game
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for pid in mud.npcs.keys():
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# if they're in the same room as the player
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if mud.npcs[pid].room == players[id]["room"]:
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# ... and they have a name to be shown
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if mud.npcs[pid].name is not None:
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# add their name to the list
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playershere.append(mud.npcs[pid].name)
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# send player a message containing the list of players in the room
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mud.send_message(id, "Players here: {}".format(
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", ".join(playershere)))
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# send player a message containing the list of exits from this room
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mud.send_message(id, "Exits are: {}".format(
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", ".join(rm["exits"])))
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# 'go' command
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elif command == "go":
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# store the exit name
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ex = params.lower()
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# store the player's current room
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rm = rooms[players[id]["room"]]
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# if the specified exit is found in the room's exits list
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if ex in rm["exits"]:
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# go through all the players in the game
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for pid, pl in players.items():
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# if player is in the same room and isn't the player
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# sending the command
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if players[pid]["room"] == players[id]["room"] \
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and pid != id:
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# send them a message telling them that the player
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# left the room
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mud.send_message(pid, "{} left via exit '{}'".format(
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players[id]["name"], ex))
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# update the player's current room to the one the exit leads to
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players[id]["room"] = rm["exits"][ex]
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rm = rooms[players[id]["room"]]
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# print(players[id]["name"] + " moved to the " + players[id]["room"])
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# go through all the players in the game
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for pid, pl in players.items():
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# if player is in the same (new) room and isn't the player
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# sending the command
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if players[pid]["room"] == players[id]["room"] \
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and pid != id:
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# send them a message telling them that the player
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# entered the room
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mud.send_message(pid,
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"{} arrived via exit '{}'".format(
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players[id]["name"], ex))
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# send the player a message telling them where they are now
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mud.send_message(id, "You have entered the {}".format(
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players[id]["room"]))
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# the specified exit wasn't found in the current room
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else:
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# send back an 'unknown exit' message
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mud.send_message(id, "Unknown exit '{}'".format(ex))
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# Item commands, to be completed
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# get command
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elif command == "get":
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mud.send_message(id, "You got it")
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# drop command
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elif command == "drop":
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mud.send_message(id, "You dropped it")
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# make command
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elif command == "make":
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mud.send_message(id, "You made a ")
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# 'create' command
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elif command == "create":
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# store the exit or room that will be created
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parameters = params.lower()
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parameters_list = parameters.split()
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print("[INSPECT] parameters: ", parameters_list)
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if len(parameters_list) >= 1:
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# store the new exit name
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new_exit = parameters_list[0]
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print("[INSPECT] new exit: ", new_exit)
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else:
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new_exit = None
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if len(parameters_list) >= 2:
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# store the new room name
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new_room = " ".join(parameters_list[1:])
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print("[INSPECT] new room: ", new_room)
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else:
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new_exit = None
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# store the player's current room
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current_room_name = players[id]["room"]
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print("[INSPECT] current room: ", current_room_name)
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# store information about the player's current room
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current_room = rooms[players[id]["room"]]
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print("[INSPECT] current room dict: ", current_room)
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# if both the new exit and new room are given
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if new_exit is not None and new_room is not None:
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# send player a message when the exit already exists
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if new_exit in current_room["exits"]:
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mud.send_message(id, "This exit already exist.")
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# create new room
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else:
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print(f"[INSPECT] Make new room: { new_room }, in the direction: { new_exit }")
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# add the new exit to the current room
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rooms[current_room_name]["exits"][new_exit] = new_room
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# store information about the new room
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rooms[new_room] = {}
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rooms[new_room]["description"] = ""
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rooms[new_room]["exits"] = {}
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# add the opposite exit direction to the exits of the new room
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if new_exit == "west":
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exit_to_add = "east"
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elif new_exit == "east":
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exit_to_add = "east"
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if new_exit == "north":
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exit_to_add = "south"
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elif new_exit == "south":
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exit_to_add = "north"
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# store this exit to the new room
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rooms[new_room]["exits"][exit_to_add] = current_room_name
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# announce the new room to the player
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mud.send_message(id, f"A new room is added: { new_room } (in the { new_exit })")
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# invite the player to write a description for the room
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mud.send_message(id, "The room is not described yet. When you are in the room, you can use 'describe' to add a description. For example: 'describe This is the XML! It smells a bit muffy here.'")
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with open("rooms.json", "w") as jsonFile:
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json.dump(rooms, jsonFile)
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# warn the player when the "create" command is not used in the right way
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else:
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mud.send_message(id, f"Sorry you cannot create a new room in that way. Try: 'create direction roomname'")
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# 'describe' command
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elif command == "describe":
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# store the exit or room that will be created
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description = params.lower()
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print("[INSPECT] description: ", description)
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# store the player's current room
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current_room_name = players[id]["room"]
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print("[INSPECT] current room: ", current_room_name)
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rooms[new_room]["description"] = description
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with open("rooms.json", "w") as jsonFile:
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json.dump(rooms, jsonFile)
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# some other, unrecognised command
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else:
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# send back an 'unknown command' message
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mud.send_message(id, "Unknown command '{}'".format(command))
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