From BlenderWiki

Code Documentation

Overview

• Blender Architecture
• Diagram showing code layout

Blend Files

• Blender File Reading
• Notes on SDNA
• Blender File Format

User Interface

• Architecture for Window Manager, Events, Handlers, Operators
• Area Manager
• Operators / Tutorial
• Notifiers and Updates / Notifiers
• Context
• Reports
• View2D API
• UI Layout Engine (File Code Guidelines)
• GL Buffer Swapping

Data

• DNA Struct Guidelines
• Data API / RNA / Tasks / Extensions
• ID Property
• Dependency Graph / Implementation
• Naming Conventions for functions and structs

I/O

• COLLADA integration
• TIFF

Animation

• Animation System upgrade, "Animato".
• Inverse Kinematics

Modelling

Curves

• Curve Selection Tools
• Somes notes on Blender Curves
• Unicode for Font3D

Meshes

• DerivedMesh
• Vertex Groups
• Custom Element Data
• Edge Subdivision
• Sculpting Tools

Modifiers

• Modifier Stack
• CCGSubsurf
• Booleans

Transform

• Transform Architecture

System & Installation

• Installing Blender
• Installation directories and files

Physics

• Rigid Body Physics
• Softbodies
• Collisions / Collision Modifier
• Cloth

Rendering & Shading

• Blender Render Pipeline
• Transmissivity
• UV Unwrapping
• Cycles

Video Editing

• FFMpeg Integration
• Frameserver interface
• HDD-Audio interface
• Memory cache limitor

Generic Data Structures

• BezTriple Data Type
• Dynamic List with Access Array
• Two Way Linked Dynamic List (ListBase)

Math

• Math library conventions
• Color
• OpenColorIO

Sound

• Sound system