lemonpy/server.py

import asyncio
import json
import websockets

connected = []
IDs = {}

class Dialogue:

    def __init__(self):
        self.options = {}
    
    def add(self, func, key = None):
        key = key if key else func.__name__
        self.options[key] = func
        return func

    async def __call__(self, key, websocket):
        await self.options[key](self, websocket)

dialogue = Dialogue()

@dialogue.add
async def action_rename(dialogue, websocket):
    await websocket.send(json.dumps({"type": "prose", "message": "Hmm. I will name you Cat. \n You are now named Cat."}))

@dialogue.add
async def action_leave(dialogue, websocket):
    await websocket.send(json.dumps({"type": "prose", "message": "Where would you like to go?"}))
    await websocket.send(json.dumps({
        "type": "action",
        "clear_box": True,
        "actions": ["action_leave1", "action_leave2"]
    }))

@dialogue.add
async def action_leave1(dialogue, websocket):
    await websocket.send(json.dumps({"type": "prose", "message": "We're in area1"}))

@dialogue.add
async def action_leave2(dialogue, websocket):
    await websocket.send(json.dumps({"type": "prose", "message": "We're in area2"}))

async def check(websocket):
    await websocket.send(json.dumps({"type": "test", "message": "test packet from server"}))
    async for original in websocket:
        packet = json.loads(original)
        print(packet)
        if packet["type"] == "user_joined":
            IDs[websocket] = packet["name"]
            websockets.broadcast(connected, json.dumps({"type": "server_message", "message": IDs[websocket] + " joined"}))
            await websocket.send(json.dumps({
                "type": "action",
                "clear_box": False,
                "actions": ["action_leave", "action_rename"]
            }))
        elif packet["type"] == "action":
            await dialogue(packet["action"], websocket)

            #websockets.broadcast(connected, json.dumps({"type": "view", "loc": "blueland"}))
            #websockets.broadcast(connected, json.dumps({"type": "portrait", "npc": "pink"}))
            #websockets.broadcast(connected, json.dumps({"type": "prose", "clear_box": "true", "message": "You are in Chatland. "}))

            #action4a = {"cond": "wallet >= $50", "action": "\"No deal.\"", "line": "Suit yourself.", "portrait": "blue", "end": "True"}
            #action4b = {"cond": "wallet >= $50", "action": "\"Deal.\"", "line": "You are now authorized to chat anywhere. \nYou spend $50.\n You gain Chat License.", "portrait": "blue", "call": "spend", "call": "gain_license", "end": "True"}
            #action4c = {"cond": "wallet < $50", "action": "\"I can't afford that!\"", "line": "Loser. Don't talk to me.", "portrait": "blue", "end": "True"}
            #action3 = {"action": "\"Can you authorize me?\"", "line": "Of course...For $50.", "portrait": "blue", "actions": [action4a, action4b, action4c]}
            #action2b = {"action": "\"Can we not chat elsewhere?\"", "line": "Oh no no no no no. \nIt is prohibited without proper authorization.", "portrait": "blue", "actions": [action3]}
            #action2a = {"action": "\"Why?\"", "line": "Best accoustics on the island!", "portrait": "blue"}
            #action1 = {"action": "\"Where am I?\"", "line": "This is where people chat.", "portrait": "blue", "actions": [action2a, action2b]}
        
            #rename = {"action": "Rename myself", "call": "rename_user", "line": "Hmm. I will name you Cat. \n You are now named Cat."}

            #catch2a = {"action": "Yes", "call": "add_pet", "line": "You now own a Glow Worm."}
            #catch2a = {"action": "No", "line": "You let him go."}
            #catch = {"action": "Catch a pet", "line": "You find a Glow Worm. Do you catch him?", "actions": [catch2a, catch2b]}

            #leave2a = {"action": "Blueland", "call": "travel"}
            #leave2a = {"action": "Pinkland", "call": "travel"}
            #leave2a = {"action": "Yellowland", "call": "travel"}
            #leave = {"action": "Leave", "line": "Where would you like to go?", "actions": [leave2a, leave2b, leave2c]}

            #websockets.broadcast(connected, json.dumps({"type": "action", "clear_box": "true", "actions": [action1,rename,catch,leave]}))

        elif packet["type"] == "shout" or packet['type'] == "server_message":
            websockets.broadcast(connected, json.dumps({"type": "shout", "name": IDs[websocket], "message": packet["message"]}))
            websockets.broadcast(connected, json.dumps({"type": "view", "loc": "yellowland"}))
            websockets.broadcast(connected, json.dumps({"type": "portrait", "npc": "blue"}))


async def handler(websocket):
    while True:
        try:
            connected.append(websocket)
            await check(websocket)
        except websockets.exceptions.ConnectionClosed:
            websockets.broadcast(connected, json.dumps({"type": "server_message", "message": IDs[websocket] + " joined"}))
            break
        finally:
            if websocket in connected:
                connected.remove(websocket)

async def main():
    async with websockets.serve(handler, "", 8080):
        await asyncio.Future()  # run forever

if __name__ == "__main__":
    asyncio.run(main())