giantsd/server.py

from dpnet.packet import Packet
from giants.map import Map
from giants.player import Player
from dpnet.netserver import Netserver
from dpnet.session import Session
import socket
import importlib
import os
from giants import Teams, GameTypes, ChatColor, ChatType
from utils.logger import setup_logger
import traceback
import asyncio
from aioconsole import ainput
import struct
from curses import wrapper

logger = setup_logger(__name__)


class Server:
    def __init__(self, **kwargs):
        self.listen_ip = kwargs.get("ip", "0.0.0.0")
        self.listen_port = kwargs.get("port", 19711)
        self.register_with_ms = kwargs.get("register", False)
        self.teams = kwargs.get("teams", Teams.MvM)
        self.game_type = kwargs.get("gametype", GameTypes.TeamDeathmatchWithFullBase)
        self.currentmap = kwargs.get("map", Map("Testmap.gck"))
        self.maxplayers = kwargs.get("maxplayers", 20)
        self.name = kwargs.get("name", "Default Server Name")

        fake_session = Session(self, socket.socket(socket.AF_INET, socket.SOCK_DGRAM))
        fake_session.ip = "127.0.0.1"
        fake_session.port = 3333
        self.players = [Player("[Server]", fake_session)]

        fake_player = Session(self, socket.socket(socket.AF_INET, socket.SOCK_DGRAM))
        fake_player.ip = "127.0.0.1"
        fake_player.port = 3334
        self.players.append(Player("Bot 1", fake_player))

        fake_player = Session(self, socket.socket(socket.AF_INET, socket.SOCK_DGRAM))
        fake_player.ip = "127.0.0.1"
        fake_player.port = 3334
        self.players.append(Player("Bot 2", fake_player))

        fake_player = Session(self, socket.socket(socket.AF_INET, socket.SOCK_DGRAM))
        fake_player.ip = "127.0.0.1"
        fake_player.port = 3334
        self.players.append(Player("Bot 3", fake_player))

        self.accept_new_players = True
        self.version = 1.497
        self.points_per_kill = 1
        self.points_per_capture = 5
        self.detente_time = 0 # minutes
        self._plugins = []
        self.tempplayers = []
        self.running = True
        self.ticks = 60

        self._nextid = 118

    def update(self):
        #logger.debug("Calling update")
        pass

    async def add_player(self, player):
        self.tempplayers.remove(player)
        self.players.append(player)
        await self.broadcast_event("on_player_join", player)

    # todo: remove
    def create_temp_player(self, player):
        self.tempplayers.append(player)

    async def remove_player(self, player):
        self.players.remove(player)

    def add_plugin(self, plugin):
        self._plugins.append(plugin)

    async def change_map(self, mappath):
        try:
            self.currentmap = Map(mappath)
            await self.broadcast_event("on_map_change", self.currentmap)
        except Exception:
            logger.error("Could not change map")

    async def broadcast_event(self, event, *args):
        logger.debug("Broadcasting event "+event)
        for plugin in self._plugins:
            if hasattr(plugin, event):
                func = getattr(plugin, event)
                if callable(func):
                    try:
                        await func(*args)
                    except Exception:
                        logger.error("Could not call plugin function: "+plugin.__class__.__name__+"."+event)
                        traceback.print_exc()

    def load_plugins(self):
        plugins = os.listdir("plugins")
        for plugin in plugins:
            if os.path.isdir("plugins/"+plugin) or plugin == "__init__.py":
                continue
            if not plugin.endswith(".py"):
                continue
            pluginname = plugin.split(".py")[0]
            try:
                module = importlib.import_module("plugins."+pluginname)
                if hasattr(module, "setup"):
                    setup = getattr(module, "setup")
                    if callable(setup):
                        logger.info("Loading plugin "+module.__name__)
                        module.setup(self)
            except Exception:
                logger.warning("Could not load plugin "+plugin)
                traceback.print_exc()

    async def broadcast_message(self, text, color=ChatColor.Orange, type=ChatType.All):
        for player in self.players:
            if player.name == "[Server]":
                continue
            await player.send_message(text, color=color, type=type)

    async def ask_command(self):
        while True:
            try:
                cmd = await ainput(">")
                logger.debug("Sending game payload %s", cmd)
                for player in self.players:
                    if player.name == "[Server]":
                        continue
                    await player.session.send_gamedata(bytes.fromhex(cmd), acknow=False)
            except:
                traceback.print_exc()

    async def broadcast_gamedata(self, payload, **kwargs):
        for player in self.players:
            if player.name == "[Server]":
                continue
            await player.session.send_gamedata(payload, **kwargs)

    async def broadcast_gamedata_except(self, player, payload, **kwargs):
        for pplayer in self.players:
            if pplayer.name == "[Server]" or pplayer == player:
                continue
            await pplayer.session.send_gamedata(payload, **kwargs)

    async def broadcast_message_except(self, player, text, color=ChatColor.Yellow, type=ChatType.All):
        for pplayer in self.players:
            if pplayer.name == "[Server]" or pplayer == player:
                continue
            await pplayer.send_message(text, color=color, type=type)

    async def new_object(self, model):
        oid = self._nextid
        p = Packet()
        p.putByte(0x05)  # opcode
        p.putByte(0)
        p.putShort(self._nextid)
        p.putByte(0x00)
        p.putULong(model)
        p.putByte(0x00)
        self._nextid += 1
        await self.broadcast_gamedata(p.getvalue())
        return oid

    async def spawn(self, player, model):
        plix = self.get_player_index(player)
        p = Packet()
        p.putByte(0x05) # opcode
        p.putByte(plix)
        p.putShort(self._nextid)
        p.putByte(0x00)
        p.putULong(model)
        p.putByte(0x00)

        await self.broadcast_gamedata(p.getvalue(), acknow=False)
        #await self.broadcast_gamedata(bytes.fromhex("05" + plix + struct.pack("<H", self._nextid).hex() + "00" + model + "00000000"), acknow=False)

        p = Packet()
        p.putByte(0x0a) # opcode
        p.putByte(0x12) # length
        p.putByte(0x00) # unknown
        p.putByte(0x00) # unknown
        p.putByte(0x00) # unknown
        p.putByte(plix) # player index
        p.putShort(self._nextid) # object id
        p.putByte(0x00)  # unknown
        p.putByte(0x01)  # unknown
        p.putULong(model) # model
        p.putFloat(player.x) # player x
        p.putFloat(player.y) # player y
        p.putFloat(player.z) # player z
        p.putULong(0x00) # unknown
        p.putULong(0x00) # unknown
        p.putULong(0x00) # unknown
        p.putULong(0x00) # unknown
        p.putULong(0x00) # orientation
        p.putULong(0x00) # unknown

        await self.broadcast_gamedata(p.getvalue(), acknow=False)

        self._nextid+=1

        #await self.broadcast_gamedata(bytes.fromhex("0a12000000" + plix + struct.pack("<H", self._nextid).hex() + "0003" + model + "00000000"), acknow=False)
        #await self.broadcast_gamedata(bytes.fromhex("0a32000000" + plix + struct.pack("<B", self._nextid).hex() + "000001" + model + "000000ff00000000000000000000000000000000000000000000000000000000000000000000000a12000000" + plix + struct.pack("<B", self._nextid).hex() + "0000" + model + "020000000000000000"), acknow=False)

    async def change_model(self, player, model):
        plid = self.get_player_index(player)
        # p = Packet()
        # p.putByte(0x0a)  # opcode
        # p.putByte(0x12)  # length
        # p.putByte(0x00)  # unknown
        # p.putByte(0x00)  # unknown
        # p.putByte(0x00)  # unknown
        # p.putByte(plid)  # player index
        # p.putShort(player.oid)  # object id
        # p.putByte(0x00)  # unknown
        # p.putByte(0x02)  # 4 -> death, 3 -> little move
        # p.putULong(model)  # model
        # p.putFloat(player.x)  # x
        # p.putFloat(player.y)  # y
        # p.putFloat(player.z)  # z
        # p.putULong(0x00)  # unknown
        # p.putULong(0x00)  # unknown
        # p.putULong(0x00)  # unknown
        # p.putULong(0x00)  # unknown
        # p.putULong(player.o + 30)  # orientation
        # p.putULong(0x00)  # unknown

        p = Packet()
        p.putByte(0x0a)  # opcode
        p.putByte(0x32)  # length
        p.putByte(0x00)  # unknown
        p.putByte(0x00)  # unknown
        p.putByte(0x00)  # unknown
        p.putByte(plid)  # player index
        p.putShort(player.oid)  # object id
        p.putByte(0x00)  # unknown
        p.putByte(0x01)  # 1 -> stand still, 4 -> death, 3 -> little move
        p.putULong(model)  # model
        p.putFloat(0x00)  # x
        p.putFloat(player.y)  # y
        p.putFloat(player.z)  # z
        p.putULong(0x00)  # unknown
        p.putULong(0x00)  # unknown
        p.putULong(0x00)  # unknown
        p.putULong(0x00)  # unknown
        p.putULong((player.o + 30) % 360)  # orientation
        p.putULong(0x00)  # unknown

        p.putByte(0x0a)  # opcode
        p.putByte(0x12)  # length
        p.putByte(0x00)  # unknown
        p.putByte(0x00)  # unknown
        p.putByte(0x00)  # unknown
        p.putByte(plid)  # player index
        p.putShort(player.oid)  # object id
        p.putByte(0x00)  # unknown
        p.putByte(0x00)  # 1 -> stand still, 4 -> death, 3 -> little move
        p.putULong(model)  # model
        p.putULong(0x00)
        p.putByte(0x00)
        p.putByte(0x00)

        await self.broadcast_gamedata(p.getvalue(), acknow=False)
        #await self.broadcast_gamedata(bytes.fromhex("0a32000000" + plix + struct.pack("<B", objid).hex() + "000001" + model + "000000ff00000000000000000000000000000000000000000000000000000000000000000000000a12000000" + plix + struct.pack("<B", objid).hex() + "0000" + model + "020000000000000000"), acknow=False)

    def new_oid(self):
        a = self._nextid
        self._nextid += 1
        return a

    def get_player_index(self, player):
        for iplayer in range(len(self.players)):
            if self.players[iplayer] == player:
                return iplayer
        return False

    def get_player_by_index(self, playerindex):
        return self.players[playerindex]

if __name__ == '__main__':
    server = Server(name="giantsd", maxplayers=20, register=False, teams=Teams.MvM, map=Map("Three Way Island - Canyons.gck")) #, map=Map("Three Way Island - Canyons.gck"))
    server.load_plugins()

    loop = asyncio.get_event_loop()
    listen = loop.create_datagram_endpoint(lambda: Netserver(server), local_addr=(server.listen_ip, server.listen_port))
    transport, protocol = loop.run_until_complete(listen)
    loop.create_task(server.ask_command())
    try:
        loop.run_forever()
    except KeyboardInterrupt:
        pass
    transport.close()
    loop.close()