Interface source
Interface/Classes/UnrealScript classes for client-window behavior, including inventory, status displays, and zone titles.
Shared resource / Client interface
P311 interface sources, NWindow APIs, and an L2Editor environment with build and package utility scripts.

Inside the download
Interface P311 includes the Interface and NWindow source trees plus an L2Editor bundle. The included 1Live.bat invokes the compiler and source-stripping commands; additional batch files provide package utilities.
The archive contains 883 files, including 788 .uc source files across its source trees. Browse the verified paths and short source/configuration excerpts below before downloading the original RAR.
Verified file paths and selected contents from the download.
Interface_P311.rar
Interface/Classes/InventoryWnd.uc
Interface/Classes/ZoneTitleWnd.uc
L2Editor/!dec.bat
L2Editor/!strip.bat
NWindow/Classes/ActionAPI.uc
NWindow/Classes/AnimTextureHandle.uc
Interface/Classes/AbilityWnd.uc
Interface/Classes/AbnormalStatusExtendWnd.uc
L2Editor/Default.ini
L2Editor/!UnpackUPackages.bat
L2Editor/1Live.batSelected verified paths from the archive. This is a file listing, not an in-game screenshot.
Interface/Classes/ZoneTitleWnd.uc
class ZoneTitleWnd extends UICommonAPI;
function OnRegisterEvent()
{
RegisterEvent( EV_BeginShowZoneTitleWnd );
}Class declaration and event-registration excerpt from the included source. Other declarations and methods are omitted.
L2Editor/Default.ini
EditPackages=Core
EditPackages=Engine
EditPackages=Fire
EditPackages=EditorSelected EditPackages lines from the included configuration. Other settings are omitted; this is not a verified build recipe.
Interface/Classes/UnrealScript classes for client-window behavior, including inventory, status displays, and zone titles.
NWindow/Classes/Supporting window handles and client UI API classes.
L2Editor/Windows compiler/editor binaries, configuration files, and batch scripts.
Windows L2Editor binaries are included. Review the commands and package names in L2Editor/1Live.bat before use. Build success and matching-client compatibility have not been tested.
Shared through L2JBaylee. Original authorship and reuse terms are not documented in this listing; availability here does not grant an open-source license.