PARAHEX TEAM

def var(v):
    out = bytearray()
    while True:
        b = v & 0x7F; v >>= 7
        out.append(b | (0x80 if v else 0))
        if not v: return bytes(out)

def zz(v):
    return var((v << 1) ^ (v >> 63))


def build_mark_info(owner_id: int, infos: list) -> bytes:
    out = bytearray(var(owner_id))
    out += zz(len(infos))
    for m in infos:
        out += var(m["TarPlayID"])
        out += bytes([m["MarkerType"] & 0xFF])
        out += var(m["MarkFlag"])
        out += var(m["ScannerMarkFlag"])
    return bytes(out)




moco = serialize_packet(0, 970, 0, flags,
                                                            build_mark_info(self.owner_id, marks),
                                                            self.tea_key, self.udp_mask)

import re
from udptool import Reader


def decode_player_join(body: bytes) -> dict:
    r = Reader(body)
    uid = r.var()
    r.var()
    pid = r.var()
    nick = r.string()
    runs = [m.group().decode("utf-8", "replace")
            for m in re.finditer(rb"[\x20-\x7e]{2,}", body)]
    tail = [s for s in runs if s != nick]
    ver = tail[-1] if tail else ""
    return {"NickName": nick, "PlayerID": pid, "UserID": uid, "Version": ver}


if __name__ == "__main__":
    import sys, json
    body = bytes.fromhex('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')
    print(json.dumps(decode_player_join(body), ensure_ascii=False))

def build_emote(
    EmotionID=909000001,
    EmotionEffIdx=0,
    Loop=False,
    IsLeadEmote=False,
    LeadEmotionFollowPlayerId=4294967295,
    CurrentSimServerTick=0,
    CreateTime=0,
    NickName="",
    NeedCheck=False,
    PeakPoints=0,
):
    
    b = bytearray()
    v = EmotionID
    while v >= 0x80:
        b.append((v & 0x7F) | 0x80)
        v >>= 7
    b.append(v)

    b.append(EmotionEffIdx & 0xFF)                 # EmotionEffIdx
    b.append(1 if Loop else 0)                     # Loop
    b.append(1 if IsLeadEmote else 0)              # IsLeadEmote


    v = LeadEmotionFollowPlayerId
    while v >= 0x80:
        b.append((v & 0x7F) | 0x80)
        v >>= 7
    b.append(v)


    v = CurrentSimServerTick
    while v >= 0x80:
        b.append((v & 0x7F) | 0x80)
        v >>= 7
    b.append(v)


    v = CreateTime
    while v >= 0x80:
        b.append((v & 0x7F) | 0x80)
        v >>= 7
    b.append(v)


    raw = NickName.encode("utf-8")
    n = _zig(len(raw))
    while n >= 0x80:
        b.append((n & 0x7F) | 0x80)
        n >>= 7
    b.append(n)
    b += raw

    b.append(1 if NeedCheck else 0)                # NeedCheck to bypass emote check
    b.append(PeakPoints & 0xFF)                    # PeakPoints , useless
    b.append(0)

    return bytes(b)

def decode_emote(body: bytes) -> dict:
    r = Reader(body)
    out = {}
    out["EmotionID"]                 = r.var()
    out["EmotionEffIdx"]             = r.raw(1)[0]
    out["Loop"]                      = bool(r.raw(1)[0])
    out["IsLeadEmote"]               = bool(r.raw(1)[0])
    out["LeadEmotionFollowPlayerId"] = r.var()
    out["CurrentSimServerTick"]      = r.var()
    out["CreateTime"]                = r.var()
    out["NickName"]                  = r.string()
    out["NeedCheck"]                 = bool(r.raw(1)[0])
    out["PeakPoints"]                = r.raw(1)[0]
    if r.p < len(body):
        out["_trailing_pad"] = r.raw(1)[0]
    if r.p != len(body):
        out["_leftover_hex"] = body[r.p:].hex()
        out["_consumed"] = f"{r.p}/{len(body)}"
    return out

class Reader:
    def __init__(self, b): self.b, self.p = b, 0
    def var(self):
        r = sh = 0
        while True:
            c = self.b[self.p]; self.p += 1
            r |= (c & 0x7F) << sh; sh += 7
            if not c & 0x80: return r
    def zz(self):
        v = self.var(); return (v >> 1) ^ -(v & 1)
    def raw(self, n):
        v = self.b[self.p:self.p + n]; self.p += n; return v
    def string(self):
        n = self.zz()
        return self.raw(n).decode("utf-8", "replace") if n > 0 else ""

def build_join_post_body(second_part , UserID , RoomID, GameMode , MapID , ClientVersion , ClientVersionCode , ClientUrl , server_ip , mode):
    fields = {
 "ReqInfo": {
  "UserID": UserID,
  "RoomID": RoomID,
  "RoomType": 1,
  "GameMode": GameMode,
  "ServiceRoomID": RoomID,
  "MapID": MapID,
  "IsReconnect": 0,
  "CustomRoomIndex": 0,
  "GroupIcon": 0,
  "IsPCClient": 0,
  "IsEmulator": 1,
  "IsEmulatorPool": 0,
  "SystemPlatform": 1,
  "CPUType": 2,
  "ChannelType": 3,
  "EnableFFANTIHACKTick": 0,
  "ClientLanguage": 1,
  "CountryCode": "DZ",
  "Role": 0,
  "BuildVariantType": 1,
  "NewbieChoice": 1,
  "FactionType": 0,
  "RankMapCount": 1,
  "IfHaveMapsBonus": 0,
  "GSReplayEnabled": 0,
  "AccountType": 4,
  "ClientVersion": ClientVersion,
  "ClientVersionCode": ClientVersionCode,
  "ClientUrl": ClientUrl,
  "NoPowerGun": 0,
  "Gender": 0,
  "FriendCount": 6,
  "IsCadet": 0,
  "DriftBottleOwnerID": 0,
  "DriftBottleOwnerName": "",
  "MobileReplayEnabled": 1,
  "Workshop": {
   "WorkshopShareCode": "",
   "WorkshopMapName": "",
   "IsUnlimitedAmmo": 0,
   "ModeSetting": [],
   "ClientEventsWhiteList": [],
   "IsUnlimitedBullet": 0,
   "IsUnlimitedGloowall": 0,
   "IsUnlimitedThrowables": 0,
   "UGCCustomMissions": [],
   "NEW_0x50": {
    "Value": ""
   }
  },
  "RelationshipInfos": [],
  "IsSpecialPool": 0,
  "IsTransferReport": 1,
  "IsHalfWayJoin": 0,
  "ShowDamageType": 0,
  "WeaponProficiencyMaxItemID": 4,
  "UGCGameDataMD5": [],
  "QuickMsgVocal": 0,
  "IsBagShow": 1,
  "SamoAIParam": "",
  "MapLayerID": 1,
  "IsVoiceBeMuted": 0,
  "IsReconnectWithoutParseToken": 0,
  "GroupMode": 3 if mode == 'cs' else 0,
  "MatchMode": 1,
  "IsAIChatOpen": 0,
  "NEW_Ticks_0xD8": 639262961983238240,
  "NEW_byte_0xE0": 2,
  "NEW_bool_0xE1": 0,
  "GameServerAddr": server_ip,
  "SessionKeyHandshakeHex": ""
 },
 "TokenPart2": second_part
}
    return build(fields)