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Ninja introduces the possibility of true modular modifications for the
video games Gothic and Gothic 2 Night of the Raven.
This documentation is written primarily for patch developers.
Relevant chapters for players can be found here.
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Introduction
Virtual Disk File System
Formats
Single File Formats
Collected File Formats
Limitations to Overcome
Scripts
Animations
Output Units
Solution
Implementation
Patch Structure
VDF File Tree
VDF Header
Batch Script
Inter-Game Compatibility
Inject Changes
Daedalus Scripts
Overwriting Symbols
Naming Conventions
Preserved Symbols
Initialization Functions
Init_Global
Menu Creation
Ikarus and LeGo
Initializing LeGo
Modifications to LeGo
PermMem and Handles
Daedalus Hooks
Inserting NPC
Disallow Saving
Helper Symbols
NINJA_VERSION
NINJA_MODNAME
NINJA_PATCHES
NINJA_SYMBOLS_START
NINJA_SYMBOLS…PATCHNAME
Common Symbols
Localization
Animations and Armor
Output Units
Other Mechanics
Remove Invalid NPC
Safety Checks in Externals
Preserve Integer Variables
Detect zSpy
Incompatibility List for Mods
Applications and Examples
Add New NPC
Set AI Variables
Add New Dialogs
Add New Spells
Add New World
Translation Patch
Installation 
Requirements
Instructions
Troubleshooting
Is Ninja Active
Is Patch Loaded
Error Messages