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# Knight Online Game Server Source v1534
## Overview
This is a complete Knight Online game server source code (version 1534) written in C++. It includes the Game Server, AI Server, Login Server, and all supporting systems for running a fully functional Knight Online private server.
## Source Structure
```
1_GameSource1534/
├── AIServer/ # AI Server (NPC behavior, monster AI)
├── GameServer/ # Main Game Server (player handling, game logic)
├── LogInServer/ # Login/Authentication Server
├── shared/ # Shared libraries and definitions
├── scripting/ # Lua scripting system
└── N3BASE/ # Base networking and utilities
```
## Key Components
### GameServer (Main Server)
- **User.cpp/h** - Player character handling (220KB, largest file)
- **MagicInstance.cpp/h** - Skill and magic system
- **KingSystem.cpp/h** - King election, taxation, and events
- **KnightsManager.cpp/h** - Clan/Knights system
- **Map.cpp/h** - Zone and map management
- **Npc.cpp/h** - NPC behavior and interaction
- **DBAgent.cpp/h** - Database communication layer
- **LuaEngine.cpp/h** - Lua scripting for quests and events
### AIServer
- Handles NPC AI, monster behavior, and pathfinding
- Communicates with Game Server via socket
### LogInServer
- User authentication
- Account validation
- Server selection
## Game Zones
### Main Zones
- **ZONE_KARUS (1)** - Karus starting zone
- **ZONE_ELMORAD (2)** - El Morad starting zone
- **ZONE_MORADON (21)** - Main hunting zone
- **ZONE_DELOS (30)** - Castle Siege War zone
- **ZONE_BIFROST (31)** - Bifrost event zone
- **ZONE_DESPERATION_ABYSS (32)** - Desperation Abyss dungeon
- **ZONE_HELL_ABYSS (33)** - Hell Abyss dungeon
- **ZONE_DRAGON_CAVE (34)** - Dragon Cave dungeon
- **ZONE_ARENA (48)** - Free-for-all arena
### PvP Zones
- **ZONE_RONARK_LAND (71)** - Ronark Land (open PvP)
- **ZONE_ARDREAM (72)** - Ardream (low-level PvP)
- **ZONE_RONARK_LAND_BASE (73)** - Ronark Land Base
### Event Zones
- **ZONE_BORDER_DEFENSE_WAR (84)** - Border Defense War
- **ZONE_CHAOS_DUNGEON (85)** - Chaos Dungeon
- **ZONE_JURAID_MOUNTAIN (87)** - Juraid Mountain
- **ZONE_FORGOTTEN_TEMPLE (55)** - Forgotten Temple
- **ZONE_LOST_TEMPLE (56)** - Lost Temple
### Battle Zones
- **ZONE_BATTLE (61)** - Napies Gorge
- **ZONE_BATTLE2 (62)** - Alseids Prairie
- **ZONE_BATTLE3 (63)** - Nieds Triangle
- **ZONE_BATTLE4 (64)** - Nereid's Island
- **ZONE_BATTLE5 (65)** - Zipang
- **ZONE_BATTLE6 (66)** - Oreads
- **ZONE_SNOW_BATTLE (69)** - Snow Battle
### Arena Zones
- **ZONE_ORC_ARENA (51)** - Orc Arena
- **ZONE_BLOOD_DON_ARENA (52)** - Blood Don Arena
- **ZONE_GOBLIN_ARENA (53)** - Goblin Arena
- **ZONE_CAITHAROS_ARENA (54)** - Caitharos Arena
### Monster Stone Zones
- **ZONE_STONE1 (81)** - Monster Stone 1
- **ZONE_STONE2 (82)** - Monster Stone 2
- **ZONE_STONE3 (83)** - Monster Stone 3
## Game Events
### Temple Events
- **TEMPLE_EVENT_BORDER_DEFENCE_WAR (4)** - Border Defense War event
- **TEMPLE_EVENT_MONSTER_STONE (14)** - Monster Stone event
- **TEMPLE_EVENT_CHAOS (24)** - Chaos Dungeon event
- **TEMPLE_EVENT_JURAD_MOUNTAIN (100)** - Juraid Mountain event
### King System Events
- **KING_EVENT_NOAH** - Coin/Noah bonus event (increases coin drop rate)
- **KING_EVENT_EXP** - Experience bonus event (increases XP gain)
- **KING_EVENT_PRIZE** - Prize distribution event (awards coins from treasury)
- **KING_EVENT_FUGITIVE** - Fugitive hunt event
- **KING_EVENT_WEATHER** - Weather control event
- **KING_EVENT_NOTICE** - Global notice/announcement event
### King Election System
- **KING_ELECTION** - King election process
- **KING_IMPEACHMENT** - King impeachment system
- **KING_TAX** - Taxation system
- **KING_NATION_INTRO** - Nation introduction
- **KING_ELECTION_SCHEDULE** - Election scheduling
- **KING_ELECTION_NOMINATE** - Candidate nomination
- **KING_ELECTION_NOTICE_BOARD** - Election notices
- **KING_ELECTION_POLL** - Voting system
- **KING_ELECTION_RESIGN** - Candidate resignation
## GM/Operator Commands
### Working Operator Commands
- **OPERATOR_ARREST (1)** - Arrest/jail a player
- **OPERATOR_BAN (2)** - Ban a character
- **OPERATOR_MUTE (3)** - Mute a player's chat
- **OPERATOR_UNMUTE (4)** - Unmute a player
- **OPERATOR_CUTOFF (5)** - Disconnect a player
- **OPERATOR_BAN_ACCOUNT (6)** - Ban an entire account
- **OPERATOR_SUMMON (7)** - Summon a player to your location
- **OPERATOR_DISABLE_ATTACK (8)** - Disable a player's ability to attack
- **OPERATOR_ENABLE_ATTACK (9)** - Enable a player's ability to attack
### Chat Types
- **GENERAL_CHAT (1)** - General zone chat
- **PRIVATE_CHAT (2)** - Private message
- **PARTY_CHAT (3)** - Party chat
- **FORCE_CHAT (4)** - Commander chat
- **SHOUT_CHAT (5)** - Shout (zone-wide)
- **KNIGHTS_CHAT (6)** - Clan chat
- **PUBLIC_CHAT (7)** - Public chat
- **WAR_SYSTEM_CHAT (8)** - War system announcements
- **PERMANENT_CHAT (9)** - Permanent chat
- **END_PERMANENT_CHAT (10)** - End permanent chat
- **MONUMENT_NOTICE (11)** - Monument notices
- **GM_CHAT (12)** - GM chat
- **COMMAND_CHAT (13)** - Command chat
- **MERCHANT_CHAT (14)** - Merchant chat
- **ALLIANCE_CHAT (15)** - Alliance chat
- **ANNOUNCEMENT_CHAT (17)** - Server announcements
- **SEEKING_PARTY_CHAT (19)** - Party seeking chat
- **GM_INFO_CHAT (21)** - GM info window
- **COMMAND_PM_CHAT (22)** - Commander PM
- **CLAN_NOTICE (24)** - Clan notices
- **KROWAZ_NOTICE (25)** - Krowaz notices
- **DEATH_NOTICE (26)** - Death announcements
- **CHAOS_STONE_ENEMY_NOTICE (27)** - Chaos stone enemy notices
- **CHAOS_STONE_NOTICE (28)** - Chaos stone notices
- **ANNOUNCEMENT_WHITE_CHAT (29)** - White announcement chat
- **CHATROM_CHAT (33)** - Chat room chat
- **NOAH_KNIGHTS_CHAT (34)** - Noah Knights chat
- **ALLIANCE_NOTICE (35)** - Alliance notices
Network Packets (WIZ_)
### Core Packets
- **WIZ_LOGIN (0x01)** - Account login
- **WIZ_NEW_CHAR (0x02)** - Create character
- **WIZ_DEL_CHAR (0x03)** - Delete character
- **WIZ_SEL_CHAR (0x04)** - Select character
- **WIZ_SEL_NATION (0x05)** - Select nation
- **WIZ_MOVE (0x06)** - Movement
- **WIZ_USER_INOUT (0x07)** - User enter/leave zone
- **WIZ_ATTACK (0x08)** - Attack action
- **WIZ_ROTATE (0x09)** - Character rotation
- **WIZ_NPC_INOUT (0x0A)** - NPC enter/leave zone
- **WIZ_NPC_MOVE (0x0B)** - NPC movement
### Game State Packets
- **WIZ_HP_CHANGE (0x17)** - HP update
- **WIZ_MSP_CHANGE (0x18)** - MP/SP update
- **WIZ_EXP_CHANGE (0x1A)** - Experience update
- **WIZ_LEVEL_CHANGE (0x1B)** - Level/stat update
- **WIZ_LOYALTY_CHANGE (0x2A)** - National points update
- **WIZ_POINT_CHANGE (0x28)** - Stat point allocation
- **WIZ_STATE_CHANGE (0x29)** - Sit/stand state
- **WIZ_DEAD (0x11)** - Death notification
- **WIZ_REGENE (0x12)** - Regeneration
### Item & Trade Packets
- **WIZ_ITEM_MOVE (0x1F)** - Item movement in inventory
- **WIZ_ITEM_DROP (0x23)** - Drop item on ground
- **WIZ_ITEM_GET (0x26)** - Pick up item
- **WIZ_ITEM_TRADE (0x21)** - Item trade
- **WIZ_ITEM_REPAIR (0x3B)** - Item repair
- **WIZ_ITEM_UPGRADE (0x5B)** - Item upgrade
- **WIZ_ITEM_REMOVE (0x3F)** - Remove item
- **WIZ_DURATION (0x38)** - Item durability
- **WIZ_WAREHOUSE (0x45)** - Warehouse access
- **WIZ_MERCHANT (0x68)** - Merchant mode
- **WIZ_SHOPPING_MALL (0x6A)** - Shopping mall
### Social Packets
- **WIZ_CHAT (0x10)** - Chat messages
- **WIZ_PARTY (0x2F)** - Party system
- **WIZ_FRIEND_PROCESS (0x49)** - Friend system
- **WIZ_KNIGHTS_PROCESS (0x3C)** - Clan system
- **WIZ_EXCHANGE (0x30)** - Item exchange
- **WIZ_KISS (0x66)** - Kiss/emote
### Event & Quest Packets
- **WIZ_NPC_EVENT (0x20)** - NPC interaction
- **WIZ_OBJECT_EVENT (0x33)** - Object interaction
- **WIZ_CLIENT_EVENT (0x52)** - Client event
- **WIZ_MAP_EVENT (0x53)** - Map event
- **WIZ_QUEST (0x64)** - Quest system
- **WIZ_EVENT (0x5F)** - General event
### System Packets
- **WIZ_LOGOUT (0x0F)** - Logout request
- **WIZ_ZONE_CHANGE (0x27)** - Zone change
- **WIZ_WARP (0x1E)** - Teleport
- **WIZ_WARP_LIST (0x4B)** - Warp list
- **WIZ_TIME (0x13)** - Game time
- **WIZ_WEATHER (0x14)** - Weather
- **WIZ_NOTICE (0x2E)** - Server notice
- **WIZ_VERSION_CHECK (0x2B)** - Version verification
- **WIZ_COMPRESS_PACKET (0x42)** - Compressed data
### Special Packets
- **WIZ_KING (0x78)** - King system
- **WIZ_SIEGE (0x6D)** - Castle siege
- **WIZ_MATCHMAKING (0x92)** - Matchmaking system
- **WIZ_GENIE (0x97)** - Genie system
- **WIZ_ACHIEVE (0x99)** - Achievements
- **WIZ_PREMIUM (0x71)** - Premium service
- **WIZ_RENTAL (0x73)** - Item rental
- **WIZ_PET (0x76)** - Pet system
- **WIZ_BIFROST (0x7B)** - Bifrost event
- **WIZ_PVP (0x88)** - PvP system
- **WIZ_VIPWAREHOUSE (0x8B)** - VIP warehouse
## Database System
### Database Tables
- **USER_DATA** - User account and character data
- **KNIGHTS** - Clan/Knights information
- **KNIGHTS_USER** - Clan membership
- **KING_SYSTEM** - King election and treasury
- **ITEM_TABLE** - Item definitions
- **MAGIC_TABLE** - Skill/magic definitions
- **ZONE_INFO** - Zone configuration
- **START_POSITION** - Starting positions
- **EVENT** - Event scheduling
- **MONSTER_CHALLENGE** - Dungeon challenge data
### Database Agent (DBAgent)
- Handles all database communication
- Stored procedure calls
- User data persistence
- Real-time data synchronization
## Magic & Skill System
### Skill Types
- **Attack Skills** - Direct damage skills
- **Buff Skills** - Stat enhancement buffs
- **Debuff Skills** - Stat reduction
- **Transformation Skills** - Character transformation
- **Healing Skills** - HP/MP restoration
- **Party Buffs** - Area of effect buffs
### Special Buffs
- **BUFF_TYPE_KAUL_TRANSFORMATION** - Transforms to Kaul (pig), prevents /town and attack, increases defense
- **Siege Weapon Buffs** - Special buffs for siege transformations (MORAL_SIEGE_WEAPON)
- **Scroll Buffs** - Stat scrolls (HP, MP, AC, AP, etc.)
## Lua Scripting System
### Script Pool
- Multi-threaded Lua script execution
- Pool of 4 script instances for concurrent execution
- Round-robin script selection
- Located in `./Quests/` directory
### Script Usage
- Quest system
- Event triggers
- NPC dialogues
- Custom game logic
## Clan/Knights System
### Clan Features
- Clan creation and management
- Clan ranks (Leader, Vice Leader, Officer, Member, Trial)
- Clan notice system
- Clan points and ranking
- Alliance system (up to 2 clans)
- Clan cape customization
### Clan Commands
- Clan creation
- Clan invitation
- Clan promotion/demotion
- Clan expulsion
- Clan disbandment
- Alliance formation
## King System
### King Elections
- Weekly nomination period
- Voting system
- Election results
- Senator selection
### King Powers
- Tax rate adjustment (0-100%)
- Weather control
- Event activation (EXP, Noah bonuses)
- Prize distribution from treasury
- Global notices
- Territory tariffs
### Treasury System
- National treasury management
- Tax collection
- Prize distribution
- Treasury synchronization
## PvP System
### PvP Zones
- Open PvP in Ronark Land, Ardream
- Battle zones with scheduled wars
- Arena zones for duels
- Castle Siege War in Delos
### PvP Features
- Rival system
- Anger gauge (5 deaths to fill)
- Helmet indicators for anger level
- Death notices with coordinates
- Revenge/avenge system
## Event System
### Scheduled Events
- Border Defense War (30 minutes)
- Chaos Dungeon (20 minutes)
- Juraid Mountain (40 minutes)
Forgotten Temple
- Lost Temple
- Monster Stone events
### Event Rewards
- National points (NP)
- Experience points
- Coins/Noah
- Special items
- Ranking rewards
## Recent Improvements (v1534)
### Bug Fixes
- Fixed Lua compilation errors (LUAI_BITSINT, LUA_IEEEENDIAN)
- Implemented siege-weapon buff support
- Added NPC skill verification for arrow skills
- Implemented transformation duration saving
- Added stat reset/recalculation on transformation end
- Applied transformation stat bonuses (HP/MP/AC)
- Optimized party gold distribution
- Optimized clan status updates (region to clan members only)
- Implemented Delos/CSW spawn logic
- Refactored Lua engine for concurrent script execution
### New Features
- King event database persistence
- Merchant error codes for invalid positions
- Zone-specific kick messages
- Packet count placeholder fixes
### Performance Optimizations
- Single-loop party member collection
- Clan-specific message routing
- Database update optimization for King events
Building Requirements
### Compiler
- Microsoft Visual Studio (C++)
- C++11 or later
### Dependencies
- Windows SDK
- ODBC (for database connectivity)
- Lua 5.1+ (scripting)
### Database
- Microsoft SQL Server
- Required stored procedures
## Configuration Files
### Server Configuration
- Database connection settings
- Server port configuration
- Zone settings
- Event schedules
- King system settings
### Client Compatibility
- Knight Online v1534 client
- Packet structure compatibility
- Resource file requirements
## Security Features
### Anti-Cheat
- Speed hack detection (WIZ_SPEEDHACK_CHECK)
- HackShield integration (WIZ_HACKSHIELD_GUARD)
- Program verification (WIZ_PROGRAMCHECK)
- Attack validation
- Movement validation
### GM Protection
- Operator authentication
- GM chat channels
- GM invisibility
- GM summoning abilities
## Known Limitations
### ALL Items
- Quest zone ID logic implementation (file encoding issues)
- UDP communication for multi-server synchronization (requires infrastructure)
- Letter system caching optimization (requires cache implementation)
- Base class refactoring for region methods (architectural change)
### Database Requirements
- Transformation fields in USER_DATA table
- UPDATE_USER_DATA stored procedure updates
- King event persistence tables
## Credits
This is a Knight Online private server source code (v1534) based on the official game server implementation. It includes all core systems for running a complete Knight Online game server.
## License
This source code is provided for educational purposes. Knight Online is a trademark of its respective owners.
---
**Note**: This README provides an overview of the game server source. For detailed implementation information, refer to the specific source files and comments within the code.
## Overview
This is a complete Knight Online game server source code (version 1534) written in C++. It includes the Game Server, AI Server, Login Server, and all supporting systems for running a fully functional Knight Online private server.
## Source Structure
```
1_GameSource1534/
├── AIServer/ # AI Server (NPC behavior, monster AI)
├── GameServer/ # Main Game Server (player handling, game logic)
├── LogInServer/ # Login/Authentication Server
├── shared/ # Shared libraries and definitions
├── scripting/ # Lua scripting system
└── N3BASE/ # Base networking and utilities
```
## Key Components
### GameServer (Main Server)
- **User.cpp/h** - Player character handling (220KB, largest file)
- **MagicInstance.cpp/h** - Skill and magic system
- **KingSystem.cpp/h** - King election, taxation, and events
- **KnightsManager.cpp/h** - Clan/Knights system
- **Map.cpp/h** - Zone and map management
- **Npc.cpp/h** - NPC behavior and interaction
- **DBAgent.cpp/h** - Database communication layer
- **LuaEngine.cpp/h** - Lua scripting for quests and events
### AIServer
- Handles NPC AI, monster behavior, and pathfinding
- Communicates with Game Server via socket
### LogInServer
- User authentication
- Account validation
- Server selection
## Game Zones
### Main Zones
- **ZONE_KARUS (1)** - Karus starting zone
- **ZONE_ELMORAD (2)** - El Morad starting zone
- **ZONE_MORADON (21)** - Main hunting zone
- **ZONE_DELOS (30)** - Castle Siege War zone
- **ZONE_BIFROST (31)** - Bifrost event zone
- **ZONE_DESPERATION_ABYSS (32)** - Desperation Abyss dungeon
- **ZONE_HELL_ABYSS (33)** - Hell Abyss dungeon
- **ZONE_DRAGON_CAVE (34)** - Dragon Cave dungeon
- **ZONE_ARENA (48)** - Free-for-all arena
### PvP Zones
- **ZONE_RONARK_LAND (71)** - Ronark Land (open PvP)
- **ZONE_ARDREAM (72)** - Ardream (low-level PvP)
- **ZONE_RONARK_LAND_BASE (73)** - Ronark Land Base
### Event Zones
- **ZONE_BORDER_DEFENSE_WAR (84)** - Border Defense War
- **ZONE_CHAOS_DUNGEON (85)** - Chaos Dungeon
- **ZONE_JURAID_MOUNTAIN (87)** - Juraid Mountain
- **ZONE_FORGOTTEN_TEMPLE (55)** - Forgotten Temple
- **ZONE_LOST_TEMPLE (56)** - Lost Temple
### Battle Zones
- **ZONE_BATTLE (61)** - Napies Gorge
- **ZONE_BATTLE2 (62)** - Alseids Prairie
- **ZONE_BATTLE3 (63)** - Nieds Triangle
- **ZONE_BATTLE4 (64)** - Nereid's Island
- **ZONE_BATTLE5 (65)** - Zipang
- **ZONE_BATTLE6 (66)** - Oreads
- **ZONE_SNOW_BATTLE (69)** - Snow Battle
### Arena Zones
- **ZONE_ORC_ARENA (51)** - Orc Arena
- **ZONE_BLOOD_DON_ARENA (52)** - Blood Don Arena
- **ZONE_GOBLIN_ARENA (53)** - Goblin Arena
- **ZONE_CAITHAROS_ARENA (54)** - Caitharos Arena
### Monster Stone Zones
- **ZONE_STONE1 (81)** - Monster Stone 1
- **ZONE_STONE2 (82)** - Monster Stone 2
- **ZONE_STONE3 (83)** - Monster Stone 3
## Game Events
### Temple Events
- **TEMPLE_EVENT_BORDER_DEFENCE_WAR (4)** - Border Defense War event
- **TEMPLE_EVENT_MONSTER_STONE (14)** - Monster Stone event
- **TEMPLE_EVENT_CHAOS (24)** - Chaos Dungeon event
- **TEMPLE_EVENT_JURAD_MOUNTAIN (100)** - Juraid Mountain event
### King System Events
- **KING_EVENT_NOAH** - Coin/Noah bonus event (increases coin drop rate)
- **KING_EVENT_EXP** - Experience bonus event (increases XP gain)
- **KING_EVENT_PRIZE** - Prize distribution event (awards coins from treasury)
- **KING_EVENT_FUGITIVE** - Fugitive hunt event
- **KING_EVENT_WEATHER** - Weather control event
- **KING_EVENT_NOTICE** - Global notice/announcement event
### King Election System
- **KING_ELECTION** - King election process
- **KING_IMPEACHMENT** - King impeachment system
- **KING_TAX** - Taxation system
- **KING_NATION_INTRO** - Nation introduction
- **KING_ELECTION_SCHEDULE** - Election scheduling
- **KING_ELECTION_NOMINATE** - Candidate nomination
- **KING_ELECTION_NOTICE_BOARD** - Election notices
- **KING_ELECTION_POLL** - Voting system
- **KING_ELECTION_RESIGN** - Candidate resignation
## GM/Operator Commands
### Working Operator Commands
- **OPERATOR_ARREST (1)** - Arrest/jail a player
- **OPERATOR_BAN (2)** - Ban a character
- **OPERATOR_MUTE (3)** - Mute a player's chat
- **OPERATOR_UNMUTE (4)** - Unmute a player
- **OPERATOR_CUTOFF (5)** - Disconnect a player
- **OPERATOR_BAN_ACCOUNT (6)** - Ban an entire account
- **OPERATOR_SUMMON (7)** - Summon a player to your location
- **OPERATOR_DISABLE_ATTACK (8)** - Disable a player's ability to attack
- **OPERATOR_ENABLE_ATTACK (9)** - Enable a player's ability to attack
### Chat Types
- **GENERAL_CHAT (1)** - General zone chat
- **PRIVATE_CHAT (2)** - Private message
- **PARTY_CHAT (3)** - Party chat
- **FORCE_CHAT (4)** - Commander chat
- **SHOUT_CHAT (5)** - Shout (zone-wide)
- **KNIGHTS_CHAT (6)** - Clan chat
- **PUBLIC_CHAT (7)** - Public chat
- **WAR_SYSTEM_CHAT (8)** - War system announcements
- **PERMANENT_CHAT (9)** - Permanent chat
- **END_PERMANENT_CHAT (10)** - End permanent chat
- **MONUMENT_NOTICE (11)** - Monument notices
- **GM_CHAT (12)** - GM chat
- **COMMAND_CHAT (13)** - Command chat
- **MERCHANT_CHAT (14)** - Merchant chat
- **ALLIANCE_CHAT (15)** - Alliance chat
- **ANNOUNCEMENT_CHAT (17)** - Server announcements
- **SEEKING_PARTY_CHAT (19)** - Party seeking chat
- **GM_INFO_CHAT (21)** - GM info window
- **COMMAND_PM_CHAT (22)** - Commander PM
- **CLAN_NOTICE (24)** - Clan notices
- **KROWAZ_NOTICE (25)** - Krowaz notices
- **DEATH_NOTICE (26)** - Death announcements
- **CHAOS_STONE_ENEMY_NOTICE (27)** - Chaos stone enemy notices
- **CHAOS_STONE_NOTICE (28)** - Chaos stone notices
- **ANNOUNCEMENT_WHITE_CHAT (29)** - White announcement chat
- **CHATROM_CHAT (33)** - Chat room chat
- **NOAH_KNIGHTS_CHAT (34)** - Noah Knights chat
- **ALLIANCE_NOTICE (35)** - Alliance notices
Network Packets (WIZ_)
### Core Packets
- **WIZ_LOGIN (0x01)** - Account login
- **WIZ_NEW_CHAR (0x02)** - Create character
- **WIZ_DEL_CHAR (0x03)** - Delete character
- **WIZ_SEL_CHAR (0x04)** - Select character
- **WIZ_SEL_NATION (0x05)** - Select nation
- **WIZ_MOVE (0x06)** - Movement
- **WIZ_USER_INOUT (0x07)** - User enter/leave zone
- **WIZ_ATTACK (0x08)** - Attack action
- **WIZ_ROTATE (0x09)** - Character rotation
- **WIZ_NPC_INOUT (0x0A)** - NPC enter/leave zone
- **WIZ_NPC_MOVE (0x0B)** - NPC movement
### Game State Packets
- **WIZ_HP_CHANGE (0x17)** - HP update
- **WIZ_MSP_CHANGE (0x18)** - MP/SP update
- **WIZ_EXP_CHANGE (0x1A)** - Experience update
- **WIZ_LEVEL_CHANGE (0x1B)** - Level/stat update
- **WIZ_LOYALTY_CHANGE (0x2A)** - National points update
- **WIZ_POINT_CHANGE (0x28)** - Stat point allocation
- **WIZ_STATE_CHANGE (0x29)** - Sit/stand state
- **WIZ_DEAD (0x11)** - Death notification
- **WIZ_REGENE (0x12)** - Regeneration
### Item & Trade Packets
- **WIZ_ITEM_MOVE (0x1F)** - Item movement in inventory
- **WIZ_ITEM_DROP (0x23)** - Drop item on ground
- **WIZ_ITEM_GET (0x26)** - Pick up item
- **WIZ_ITEM_TRADE (0x21)** - Item trade
- **WIZ_ITEM_REPAIR (0x3B)** - Item repair
- **WIZ_ITEM_UPGRADE (0x5B)** - Item upgrade
- **WIZ_ITEM_REMOVE (0x3F)** - Remove item
- **WIZ_DURATION (0x38)** - Item durability
- **WIZ_WAREHOUSE (0x45)** - Warehouse access
- **WIZ_MERCHANT (0x68)** - Merchant mode
- **WIZ_SHOPPING_MALL (0x6A)** - Shopping mall
### Social Packets
- **WIZ_CHAT (0x10)** - Chat messages
- **WIZ_PARTY (0x2F)** - Party system
- **WIZ_FRIEND_PROCESS (0x49)** - Friend system
- **WIZ_KNIGHTS_PROCESS (0x3C)** - Clan system
- **WIZ_EXCHANGE (0x30)** - Item exchange
- **WIZ_KISS (0x66)** - Kiss/emote
### Event & Quest Packets
- **WIZ_NPC_EVENT (0x20)** - NPC interaction
- **WIZ_OBJECT_EVENT (0x33)** - Object interaction
- **WIZ_CLIENT_EVENT (0x52)** - Client event
- **WIZ_MAP_EVENT (0x53)** - Map event
- **WIZ_QUEST (0x64)** - Quest system
- **WIZ_EVENT (0x5F)** - General event
### System Packets
- **WIZ_LOGOUT (0x0F)** - Logout request
- **WIZ_ZONE_CHANGE (0x27)** - Zone change
- **WIZ_WARP (0x1E)** - Teleport
- **WIZ_WARP_LIST (0x4B)** - Warp list
- **WIZ_TIME (0x13)** - Game time
- **WIZ_WEATHER (0x14)** - Weather
- **WIZ_NOTICE (0x2E)** - Server notice
- **WIZ_VERSION_CHECK (0x2B)** - Version verification
- **WIZ_COMPRESS_PACKET (0x42)** - Compressed data
### Special Packets
- **WIZ_KING (0x78)** - King system
- **WIZ_SIEGE (0x6D)** - Castle siege
- **WIZ_MATCHMAKING (0x92)** - Matchmaking system
- **WIZ_GENIE (0x97)** - Genie system
- **WIZ_ACHIEVE (0x99)** - Achievements
- **WIZ_PREMIUM (0x71)** - Premium service
- **WIZ_RENTAL (0x73)** - Item rental
- **WIZ_PET (0x76)** - Pet system
- **WIZ_BIFROST (0x7B)** - Bifrost event
- **WIZ_PVP (0x88)** - PvP system
- **WIZ_VIPWAREHOUSE (0x8B)** - VIP warehouse
## Database System
### Database Tables
- **USER_DATA** - User account and character data
- **KNIGHTS** - Clan/Knights information
- **KNIGHTS_USER** - Clan membership
- **KING_SYSTEM** - King election and treasury
- **ITEM_TABLE** - Item definitions
- **MAGIC_TABLE** - Skill/magic definitions
- **ZONE_INFO** - Zone configuration
- **START_POSITION** - Starting positions
- **EVENT** - Event scheduling
- **MONSTER_CHALLENGE** - Dungeon challenge data
### Database Agent (DBAgent)
- Handles all database communication
- Stored procedure calls
- User data persistence
- Real-time data synchronization
## Magic & Skill System
### Skill Types
- **Attack Skills** - Direct damage skills
- **Buff Skills** - Stat enhancement buffs
- **Debuff Skills** - Stat reduction
- **Transformation Skills** - Character transformation
- **Healing Skills** - HP/MP restoration
- **Party Buffs** - Area of effect buffs
### Special Buffs
- **BUFF_TYPE_KAUL_TRANSFORMATION** - Transforms to Kaul (pig), prevents /town and attack, increases defense
- **Siege Weapon Buffs** - Special buffs for siege transformations (MORAL_SIEGE_WEAPON)
- **Scroll Buffs** - Stat scrolls (HP, MP, AC, AP, etc.)
## Lua Scripting System
### Script Pool
- Multi-threaded Lua script execution
- Pool of 4 script instances for concurrent execution
- Round-robin script selection
- Located in `./Quests/` directory
### Script Usage
- Quest system
- Event triggers
- NPC dialogues
- Custom game logic
## Clan/Knights System
### Clan Features
- Clan creation and management
- Clan ranks (Leader, Vice Leader, Officer, Member, Trial)
- Clan notice system
- Clan points and ranking
- Alliance system (up to 2 clans)
- Clan cape customization
### Clan Commands
- Clan creation
- Clan invitation
- Clan promotion/demotion
- Clan expulsion
- Clan disbandment
- Alliance formation
## King System
### King Elections
- Weekly nomination period
- Voting system
- Election results
- Senator selection
### King Powers
- Tax rate adjustment (0-100%)
- Weather control
- Event activation (EXP, Noah bonuses)
- Prize distribution from treasury
- Global notices
- Territory tariffs
### Treasury System
- National treasury management
- Tax collection
- Prize distribution
- Treasury synchronization
## PvP System
### PvP Zones
- Open PvP in Ronark Land, Ardream
- Battle zones with scheduled wars
- Arena zones for duels
- Castle Siege War in Delos
### PvP Features
- Rival system
- Anger gauge (5 deaths to fill)
- Helmet indicators for anger level
- Death notices with coordinates
- Revenge/avenge system
## Event System
### Scheduled Events
- Border Defense War (30 minutes)
- Chaos Dungeon (20 minutes)
- Juraid Mountain (40 minutes)
Forgotten Temple
- Lost Temple
- Monster Stone events
### Event Rewards
- National points (NP)
- Experience points
- Coins/Noah
- Special items
- Ranking rewards
## Recent Improvements (v1534)
### Bug Fixes
- Fixed Lua compilation errors (LUAI_BITSINT, LUA_IEEEENDIAN)
- Implemented siege-weapon buff support
- Added NPC skill verification for arrow skills
- Implemented transformation duration saving
- Added stat reset/recalculation on transformation end
- Applied transformation stat bonuses (HP/MP/AC)
- Optimized party gold distribution
- Optimized clan status updates (region to clan members only)
- Implemented Delos/CSW spawn logic
- Refactored Lua engine for concurrent script execution
### New Features
- King event database persistence
- Merchant error codes for invalid positions
- Zone-specific kick messages
- Packet count placeholder fixes
### Performance Optimizations
- Single-loop party member collection
- Clan-specific message routing
- Database update optimization for King events
Building Requirements
### Compiler
- Microsoft Visual Studio (C++)
- C++11 or later
### Dependencies
- Windows SDK
- ODBC (for database connectivity)
- Lua 5.1+ (scripting)
### Database
- Microsoft SQL Server
- Required stored procedures
## Configuration Files
### Server Configuration
- Database connection settings
- Server port configuration
- Zone settings
- Event schedules
- King system settings
### Client Compatibility
- Knight Online v1534 client
- Packet structure compatibility
- Resource file requirements
## Security Features
### Anti-Cheat
- Speed hack detection (WIZ_SPEEDHACK_CHECK)
- HackShield integration (WIZ_HACKSHIELD_GUARD)
- Program verification (WIZ_PROGRAMCHECK)
- Attack validation
- Movement validation
### GM Protection
- Operator authentication
- GM chat channels
- GM invisibility
- GM summoning abilities
## Known Limitations
### ALL Items
- Quest zone ID logic implementation (file encoding issues)
- UDP communication for multi-server synchronization (requires infrastructure)
- Letter system caching optimization (requires cache implementation)
- Base class refactoring for region methods (architectural change)
### Database Requirements
- Transformation fields in USER_DATA table
- UPDATE_USER_DATA stored procedure updates
- King event persistence tables
## Credits
This is a Knight Online private server source code (v1534) based on the official game server implementation. It includes all core systems for running a complete Knight Online game server.
## License
This source code is provided for educational purposes. Knight Online is a trademark of its respective owners.
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**Note**: This README provides an overview of the game server source. For detailed implementation information, refer to the specific source files and comments within the code.
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