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protocol.h

/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MANASERV_PROTOCOL_H
#define MANASERV_PROTOCOL_H

/**
 * Enumerated type for communicated messages:
 *
 * - PAMSG_*: from client to account server
 * - APMSG_*: from account server to client
 * - PCMSG_*: from client to chat server
 * - CPMSG_*: from chat server to client
 * - PGMSG_*: from client to game server
 * - GPMSG_*: from game server to client
 * - GAMSG_*: from game server to account server
 *
 * Components: B byte, W word, D double word, S variable-size string
 *             C tile-based coordinates (B*3)
 *
 * Hosts:      P (player's client), A (account server), C (char server),
 *             G (game server)
 *
 * TODO - Document specific error codes for each packet
 */
enum {
    // Login/Register
    PAMSG_REGISTER                 = 0x0000, // D version, S username, S password, S email, S captcha response
    APMSG_REGISTER_RESPONSE        = 0x0002, // B error, [S updatehost]
    PAMSG_UNREGISTER               = 0x0003, // S username, S password
    APMSG_UNREGISTER_RESPONSE      = 0x0004, // B error
    PAMSG_REQUEST_REGISTER_INFO    = 0x0005, //
    APMSG_REGISTER_INFO_RESPONSE   = 0x0006, // B byte registration Allowed, byte minNameLength, byte maxNameLength, string captchaURL, string captchaInstructions
    PAMSG_LOGIN                    = 0x0010, // D version, S username, S password
    APMSG_LOGIN_RESPONSE           = 0x0012, // B error, [S updatehost]
    PAMSG_LOGOUT                   = 0x0013, // -
    APMSG_LOGOUT_RESPONSE          = 0x0014, // B error
    PAMSG_CHAR_CREATE              = 0x0020, // S name, B hair style, B hair color, B gender, W*6 stats
    APMSG_CHAR_CREATE_RESPONSE     = 0x0021, // B error
    PAMSG_CHAR_DELETE              = 0x0022, // B index
    APMSG_CHAR_DELETE_RESPONSE     = 0x0023, // B error
    APMSG_CHAR_INFO                = 0x0024, // B index, S name, B gender, B hair style, B hair color, W level, W character points, W correction points, D money, W*6 stats
    PAMSG_CHAR_SELECT              = 0x0026, // B index
    APMSG_CHAR_SELECT_RESPONSE     = 0x0027, // B error, B*32 token, S game address, W game port, S chat address, W chat port
    PAMSG_EMAIL_CHANGE             = 0x0030, // S email
    APMSG_EMAIL_CHANGE_RESPONSE    = 0x0031, // B error
    PAMSG_PASSWORD_CHANGE          = 0x0034, // S old password, S new password
    APMSG_PASSWORD_CHANGE_RESPONSE = 0x0035, // B error

    PGMSG_CONNECT                  = 0x0050, // B*32 token
    GPMSG_CONNECT_RESPONSE         = 0x0051, // B error
    PCMSG_CONNECT                  = 0x0053, // B*32 token
    CPMSG_CONNECT_RESPONSE         = 0x0054, // B error

    PGMSG_DISCONNECT               = 0x0060, // B reconnect account
    GPMSG_DISCONNECT_RESPONSE      = 0x0061, // B error, B*32 token
    PCMSG_DISCONNECT               = 0x0063, // -
    CPMSG_DISCONNECT_RESPONSE      = 0x0064, // B error

    PAMSG_RECONNECT                = 0x0065, // B*32 token
    APMSG_RECONNECT_RESPONSE       = 0x0066, // B error

    // Game
    GPMSG_PLAYER_MAP_CHANGE        = 0x0100, // S filename, W x, W y
    GPMSG_PLAYER_SERVER_CHANGE     = 0x0101, // B*32 token, S game address, W game port
    PGMSG_PICKUP                   = 0x0110, // W*2 position
    PGMSG_DROP                     = 0x0111, // B slot, B amount
    PGMSG_EQUIP                    = 0x0112, // B slot
    PGMSG_UNEQUIP                  = 0x0113, // B slot
    PGMSG_MOVE_ITEM                = 0x0114, // B slot1, B slot2, B amount
    GPMSG_INVENTORY                = 0x0120, // { B slot, W item id [, B amount] }*
    GPMSG_INVENTORY_FULL           = 0x0121, // { B slot, W item id [, B amount] }*
    GPMSG_PLAYER_ATTRIBUTE_CHANGE  = 0x0130, // { W attribute, W base value, W modified value }*
    GPMSG_PLAYER_EXP_CHANGE        = 0x0140, // { W skill, D exp got, D exp needed }*
    GPMSG_LEVELUP                  = 0x0150, // W new level, W character points, W correction points
    GPMSG_LEVEL_PROGRESS           = 0x0151, // B percent completed to next levelup
    PGMSG_RAISE_ATTRIBUTE          = 0x0160, // B attribute
    GPMSG_RAISE_ATTRIBUTE_RESPONSE = 0x0161, // B error, B attribute
    PGMSG_LOWER_ATTRIBUTE          = 0x0170, // B attribute
    GPMSG_LOWER_ATTRIBUTE_RESPONSE = 0x0171, // B error, B attribute
    PGMSG_RESPAWN                  = 0x0180, // -
    GPMSG_BEING_ENTER              = 0x0200, // B type, W being id, B action, W*2 position
                                             // character: S name, B hair style, B hair color, B gender, B item bitmask, { W item id }*
                                             // monster: W type id
                                             // npc: W type id
    GPMSG_BEING_LEAVE              = 0x0201, // W being id
    GPMSG_ITEM_APPEAR              = 0x0202, // W item id, W*2 position
    GPMSG_BEING_LOOKS_CHANGE       = 0x0210, // W weapon, W hat, W top clothes, W bottom clothes
    PGMSG_WALK                     = 0x0260, // W*2 destination
    PGMSG_ACTION_CHANGE            = 0x0270, // B Action
    GPMSG_BEING_ACTION_CHANGE      = 0x0271, // W being id, B action
    PGMSG_DIRECTION_CHANGE         = 0x0272, // B Direction
    GPMSG_BEING_DIR_CHANGE         = 0x0273, // W being id, B direction
    GPMSG_BEING_HEALTH_CHANGE      = 0x0274, // W being id, W health
    GPMSG_BEINGS_MOVE              = 0x0280, // { W being id, B flags [, W*2 position, B speed] }*
    GPMSG_ITEMS                    = 0x0281, // { W item id, W*2 position }*
    PGMSG_ATTACK                   = 0x0290, // W being id
    GPMSG_BEING_ATTACK             = 0x0291, // W being id, B direction, B attacktype
    PGMSG_USE_SPECIAL              = 0x0292, // B specialID
    GPMSG_SPECIAL_STATUS           = 0x0293, // { B specialID, D current, D max, D recharge }
    PGMSG_SAY                      = 0x02A0, // S text
    GPMSG_SAY                      = 0x02A1, // W being id, S text
    GPMSG_NPC_CHOICE               = 0x02B0, // W being id, { S text }*
    GPMSG_NPC_MESSAGE              = 0x02B1, // W being id, B* text
    PGMSG_NPC_TALK                 = 0x02B2, // W being id
    PGMSG_NPC_TALK_NEXT            = 0x02B3, // W being id
    PGMSG_NPC_SELECT               = 0x02B4, // W being id, B choice
    GPMSG_NPC_BUY                  = 0x02B5, // W being id, { W item id, W amount, W cost }*
    GPMSG_NPC_SELL                 = 0x02B6, // W being id, { W item id, W amount, W cost }*
    PGMSG_NPC_BUYSELL              = 0x02B7, // W item id, W amount
    GPMSG_NPC_ERROR                = 0x02B8, // B error
    GPMSG_NPC_CLOSE                = 0x02B9, // W being id
    GPMSG_NPC_POST                 = 0x02D0, // W being id
    PGMSG_NPC_POST_SEND            = 0x02D1, // W being id, { S name, S text, W item id }
    GPMSG_NPC_POST_GET             = 0x02D2, // W being id, { S name, S text, W item id }
    PGMSG_NPC_NUMBER               = 0x02D3, // W being id, D number
    PGMSG_NPC_STRING               = 0x02D4, // W being id, S string
    GPMSG_NPC_NUMBER               = 0x02D5, // W being id, D max, D min, D default
    GPMSG_NPC_STRING               = 0x02D6, // W being id
    PGMSG_TRADE_REQUEST            = 0x02C0, // W being id
    GPMSG_TRADE_REQUEST            = 0x02C1, // W being id
    GPMSG_TRADE_START              = 0x02C2, // -
    GPMSG_TRADE_COMPLETE           = 0x02C3, // -
    PGMSG_TRADE_CANCEL             = 0x02C4, // -
    GPMSG_TRADE_CANCEL             = 0x02C5, // -
    PGMSG_TRADE_AGREED             = 0x02C6, // -
    GPMSG_TRADE_AGREED             = 0x02C7, // -
    PGMSG_TRADE_CONFIRM            = 0x02C8, // -
    GPMSG_TRADE_CONFIRM            = 0x02C9, // -
    PGMSG_TRADE_ADD_ITEM           = 0x02CA, // B slot, B amount
    GPMSG_TRADE_ADD_ITEM           = 0x02CB, // W item id, B amount
    PGMSG_TRADE_SET_MONEY          = 0x02CC, // D amount
    GPMSG_TRADE_SET_MONEY          = 0x02CD, // D amount
    GPMSG_TRADE_BOTH_CONFIRM       = 0x02CE, // -
    PGMSG_USE_ITEM                 = 0x0300, // B slot
    GPMSG_USE_RESPONSE             = 0x0301, // B error
    GPMSG_BEINGS_DAMAGE            = 0x0310, // { W being id, W amount }*
    GPMSG_CREATE_EFFECT_POS        = 0x0320, // W effect id, W*2 position
    GPMSG_CREATE_EFFECT_BEING      = 0x0321, // W effect id, W BeingID

    // Guild
    PCMSG_GUILD_CREATE                  = 0x0350, // S name
    CPMSG_GUILD_CREATE_RESPONSE         = 0x0351, // B error, W guild, B rights, W channel
    PCMSG_GUILD_INVITE                  = 0x0352, // W id, S name
    CPMSG_GUILD_INVITE_RESPONSE         = 0x0353, // B error
    PCMSG_GUILD_ACCEPT                  = 0x0354, // W id
    CPMSG_GUILD_ACCEPT_RESPONSE         = 0x0355, // B error, W guild, B rights, W channel
    PCMSG_GUILD_GET_MEMBERS             = 0x0356, // W id
    CPMSG_GUILD_GET_MEMBERS_RESPONSE    = 0x0357, // S names, B online
    CPMSG_GUILD_UPDATE_LIST             = 0x0358, // W id, S name, B event
    PCMSG_GUILD_QUIT                    = 0x0360, // W id
    CPMSG_GUILD_QUIT_RESPONSE           = 0x0361, // B error
    PCMSG_GUILD_PROMOTE_MEMBER          = 0x0365, // W guild, S name, B rights
    CPMSG_GUILD_PROMOTE_MEMBER_RESPONSE = 0x0366, // B error
    PCMSG_GUILD_KICK_MEMBER             = 0x0370, // W guild, S name
    CPMSG_GUILD_KICK_MEMBER_RESPONSE    = 0x0371, // B error

    CPMSG_GUILD_INVITED                 = 0x0388, // S char name, S  guild name, W id
    CPMSG_GUILD_REJOIN                  = 0x0389, // S name, W guild, W rights, W channel, S announce

    // Party
    PCMSG_PARTY_INVITE                  = 0x03A0, // S name
    CPMSG_PARTY_INVITE_RESPONSE         = 0x03A1, // B error, S name
    CPMSG_PARTY_INVITED                 = 0x03A2, // S name
    PCMSG_PARTY_ACCEPT_INVITE           = 0x03A5, // S name
    CPMSG_PARTY_ACCEPT_INVITE_RESPONSE  = 0x03A6, // B error, { S name }
    PCMSG_PARTY_REJECT_INVITE           = 0x03A7, // S name
    CPMSG_PARTY_REJECTED                = 0x03A8, // S name
    PCMSG_PARTY_QUIT                    = 0x03AA, // -
    CPMSG_PARTY_QUIT_RESPONSE           = 0x03AB, // B error
    CPMSG_PARTY_NEW_MEMBER              = 0x03B0, // W being id, S name
    CPMSG_PARTY_MEMBER_LEFT             = 0x03B1, // W being id

    // Chat
    CPMSG_ERROR                    = 0x0401, // B error
    CPMSG_ANNOUNCEMENT             = 0x0402, // S text
    CPMSG_PRIVMSG                  = 0x0403, // S user, S text
    CPMSG_PUBMSG                   = 0x0404, // W channel, S user, S text
    PCMSG_CHAT                     = 0x0410, // S text, W channel
    PCMSG_ANNOUNCE                 = 0x0411, // S text
    PCMSG_PRIVMSG                  = 0x0412, // S user, S text
    PCMSG_WHO                      = 0x0415, // -
    CPMSG_WHO_RESPONSE             = 0x0416, // { S user }

    // -- Channeling
    CPMSG_CHANNEL_EVENT               = 0x0430, // W channel, B event, S info
    PCMSG_ENTER_CHANNEL               = 0x0440, // S channel, S password
    CPMSG_ENTER_CHANNEL_RESPONSE      = 0x0441, // B error, W id, S name, S topic, S userlist
    PCMSG_QUIT_CHANNEL                = 0x0443, // W channel id
    CPMSG_QUIT_CHANNEL_RESPONSE       = 0x0444, // B error, W channel id
    PCMSG_LIST_CHANNELS               = 0x0445, // -
    CPMSG_LIST_CHANNELS_RESPONSE      = 0x0446, // S names, W number of users
    PCMSG_LIST_CHANNELUSERS           = 0x0460, // S channel
    CPMSG_LIST_CHANNELUSERS_RESPONSE  = 0x0461, // S channel, { S user, B mode }
    PCMSG_TOPIC_CHANGE                = 0x0462, // W channel id, S topic
    // -- User modes
    PCMSG_USER_MODE                   = 0x0465, // W channel id, S name, B mode
    PCMSG_KICK_USER                   = 0x0466, // W channel id, S name

    // Inter-server
    GAMSG_REGISTER              = 0x0500, // S address, W port, S password, D items db revision, { W map id }*
    AGMSG_REGISTER_RESPONSE     = 0x0501, // C item version, C password response
    AGMSG_ACTIVE_MAP            = 0x0502, // W map id
    AGMSG_PLAYER_ENTER          = 0x0510, // B*32 token, D id, S name, serialised character data
    GAMSG_PLAYER_DATA           = 0x0520, // D id, serialised character data
    GAMSG_REDIRECT              = 0x0530, // D id
    AGMSG_REDIRECT_RESPONSE     = 0x0531, // D id, B*32 token, S game address, W game port
    GAMSG_PLAYER_RECONNECT      = 0x0532, // D id, B*32 token
    GAMSG_PLAYER_SYNC           = 0x0533, // serialised sync data
    GAMSG_SET_QUEST             = 0x0540, // D id, S name, S value
    GAMSG_GET_QUEST             = 0x0541, // D id, S name
    AGMSG_GET_QUEST_RESPONSE    = 0x0542, // D id, S name, S value
    GAMSG_BAN_PLAYER            = 0x0550, // D id, W duration
    GAMSG_CHANGE_PLAYER_LEVEL   = 0x0555, // D id, W level
    GAMSG_CHANGE_ACCOUNT_LEVEL  = 0x0556, // D id, W level
    GAMSG_STATISTICS            = 0x0560, // { W map id, W thing nb, W monster nb, W player nb, { D character id }* }*
    CGMSG_CHANGED_PARTY         = 0x0590, // D character id, D party id
    GCMSG_REQUEST_POST          = 0x05A0, // D character id
    CGMSG_POST_RESPONSE         = 0x05A1, // D receiver id, { S sender name, S letter, W num attachments { W attachment item id, W quantity } }
    GCMSG_STORE_POST            = 0x05A5, // D sender id, S receiver name, S letter, { W attachment item id, W quantity }
    CGMSG_STORE_POST_RESPONSE   = 0x05A6, // D id, B error
    GAMSG_TRANSACTION           = 0x0600, // D character id, D action, S message

    XXMSG_INVALID = 0x7FFF
};

// Generic return values

enum {
    ERRMSG_OK = 0,                      // everything is fine
    ERRMSG_FAILURE,                     // the action failed
    ERRMSG_NO_LOGIN,                    // the user is not yet logged
    ERRMSG_NO_CHARACTER_SELECTED,       // the user needs a character
    ERRMSG_INSUFFICIENT_RIGHTS,         // the user is not privileged
    ERRMSG_INVALID_ARGUMENT,            // part of the received message was invalid
    ERRMSG_EMAIL_ALREADY_EXISTS,        // The Email Address already exists
    ERRMSG_ALREADY_TAKEN,               // name used was already taken
    ERRMSG_SERVER_FULL,                 // the server is overloaded
    ERRMSG_TIME_OUT,                    // data failed to arrive in due time
    ERRMSG_LIMIT_REACHED                // limit reached
};

// used in AGMSG_REGISTER_RESPONSE to show state of item db
enum {
    DATA_VERSION_OK       = 0x00,
    DATA_VERSION_OUTDATED = 0x01
};

// used in AGMSG_REGISTER_RESPNSE to show if password was accepted
enum {
    PASSWORD_OK = 0x00,
    PASSWORD_BAD = 0x01
};

// used to identify part of sync message
enum {
    SYNC_CHARACTER_POINTS = 0x01,       // D charId, D charPoints, D corrPoints, B attribute id, D attribute value
    SYNC_CHARACTER_SKILL  = 0x02,       // D charId, B skillId, D skill value
    SYNC_ONLINE_STATUS    = 0x03,       // D charId, B 0x00 = offline, 0x01 = online
    SYNC_END_OF_BUFFER    = 0xFF        // shows, that the buffer ends here.
};

// Login specific return values
enum {
    LOGIN_INVALID_VERSION = 0x40,       // the user is using an incompatible protocol
    LOGIN_INVALID_TIME    = 0x50,       // the user tried logging in too fast
    LOGIN_BANNED                        // the user is currently banned
};

// Account register specific return values
enum {
    REGISTER_INVALID_VERSION = 0x40,    // the user is using an incompatible protocol
    REGISTER_EXISTS_USERNAME,           // there already is an account with this username
    REGISTER_EXISTS_EMAIL,              // there already is an account with this email address
    REGISTER_CAPTCHA_WRONG              // user didn't solve the captcha correctly
};

// Character creation specific return values
enum {
    CREATE_INVALID_HAIRSTYLE = 0x40,
    CREATE_INVALID_HAIRCOLOR,
    CREATE_INVALID_GENDER,
    CREATE_ATTRIBUTES_TOO_HIGH,
    CREATE_ATTRIBUTES_TOO_LOW,
    CREATE_ATTRIBUTES_EQUAL_TO_ZERO,
    CREATE_EXISTS_NAME,
    CREATE_TOO_MUCH_CHARACTERS
};

// Character attribute modification specific return value
enum AttribmodResponseCode {
    ATTRIBMOD_OK = ERRMSG_OK,
    ATTRIBMOD_INVALID_ATTRIBUTE = 0x40,
    ATTRIBMOD_NO_POINTS_LEFT,
    ATTRIBMOD_DENIED
};

// Object type enumeration
enum ThingType
{
    // A simple item.
    OBJECT_ITEM = 0,
    // An item that toggle map/quest actions (doors, switchs, ...)
    // and can speak (map panels).
    OBJECT_ACTOR,
    // Non-Playable-Character is an actor capable of movement and maybe actions.
    OBJECT_NPC,
    // A monster (moving actor with AI. Should be able to toggle map/quest
    // actions, too).
    OBJECT_MONSTER,
    // A normal being.
    OBJECT_CHARACTER,
    // A effect to be shown.
    OBJECT_EFFECT,
    // Server-only object.
    OBJECT_OTHER
};

// Moving object flags
enum {
    // Payload contains the current position.
    MOVING_POSITION = 1,
    // Payload contains the destination.
    MOVING_DESTINATION = 2
};

// Email change specific return values
enum {
    EMAILCHG_EXISTS_EMAIL = 0x40
};

// Chat errors return values
enum {
    CHAT_USING_BAD_WORDS = 0x40,
    CHAT_UNHANDLED_COMMAND
};

// Chat channels event values
enum {
    CHAT_EVENT_NEW_PLAYER = 0,
    CHAT_EVENT_LEAVING_PLAYER,
    CHAT_EVENT_TOPIC_CHANGE,
    CHAT_EVENT_MODE_CHANGE,
    CHAT_EVENT_KICKED_PLAYER
};

// Guild member event values
enum {
    GUILD_EVENT_NEW_PLAYER = 0,
    GUILD_EVENT_LEAVING_PLAYER,
    GUILD_EVENT_ONLINE_PLAYER,
    GUILD_EVENT_OFFLINE_PLAYER
};


enum
{
    SPRITE_BASE = 0,
    SPRITE_SHOE,
    SPRITE_BOTTOMCLOTHES,
    SPRITE_TOPCLOTHES,
    SPRITE_HAIR,
    SPRITE_HAT,
    SPRITE_WEAPON,
    SPRITE_VECTOREND
};

#endif // MANASERV_PROTOCOL_H

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