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title	Open Source Modding
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Open Source Modding

Reverse engineering and modding research for game engines, primarily the Disrupt engine (Watch Dogs 1/2/Legion).

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Disrupt Engine (Cross-Game)

• Engine Lineage — Dunia 2 fork, why Far Cry tools work on Disrupt
• Tool Gotchas — Gibbed >4GB breakage, UnpackWD2 wrong for WDL, FCBastard WD1-only
• Blender Addon — import/export/inject XBG/GLM, HKX, MAB, .material.bin
• GLM Format — Havok skeletal mesh text format (skeleton, Reflex, SecondaryMotion, geometry)
• XBGMIP Format — streamed LOD0 companion (PIMG header + vertex/index blocks)
• XBT Texture Format — DDS wrapper
• Depload Format — resource dependency/preload tables
• Compressed Mesh Format
• Custom Model Workflow
• Weapon Adding Guide
• WLU Format
• installpackage Patch — DLL hex edit for mod loading
• Havok Repos
• Disrupt Editor

Watch Dogs 1

• Format Reference Index — all WD1 format docs
• FAT/DAT Archive Format — packfile structure
• XBG Format (GeomParser) — compiler decompile reference
• MAB Animation Format — custom Disrupt animation (magic aNi, bitstream decoder)
• MAC Animation Format
• HKX Collision Format — Disrupt's modified Havok collision
• BFD Sprite Format — UI sprite atlas definitions
• SPK Sound Format — sound package header structure
• FEU Format
• SLID Format
• Markup Format
• Material Bin Format
• Material Hex Editing
• Material Descriptors — 44 shader types, car shaders
• Lighting Parameters
• Lighting Pipeline Hooks
• Shader Addons
• Shader Editing Workflow
• SMAA Notes
• Mirror Cubemap Mod
• Player Watch Component
• SSRTGI Project
• Injection Internals
• Archive Priorities
• Wii U Debug Symbols
• Wii U RPX Symbols
• Hashing — CRC32, FNV32, FNV64, CRC64_WD2

Watch Dogs 2

• Community Resources & Tools — OpenDogs, Volfin importer, ZModeler
• Model Format — .model XBG+material binding
• Model Hash Mappings — vegetation/character prop CRC32 hashes
• RebuildFileLists Schema — all 16 ToIndex types
• Vehicle Handling Modding
• TAG0 Collision Format — Havok 2015.1 compendium
• XBT Texture Format (WD2)
• Item Clothing Tutorial

Watch Dogs: Legion

• Engine Reference — Denuvo RE, synthetic PDB, RTTI extraction
• Modding Workflow — UnpackLegion → edit → DisruptManager
• Denuvo Analysis
• HKX (Havok Physics) Dunia Wrapper Format — Havok 2017.2 chunked format
• Vehicle Adding Process
• Material Bin Format (WDL)
• Primitive Files
• XBT Format (WDL)
• PreparePlatformData Pipeline — world/shader compilation
• Physics Working Notes

Reference (All Games)

• Reference Index — Bethesda, NFS, L4D, Sims 3, Ghost Recon, Mirror's Edge, Zelda, Cyberpunk
• Community Tools