# Features

## Data
- [x] Generate noise
- [x] Density
- [x] Robin hood map
- [ ] Memory usage
  - [ ] In memory RLE
  - [ ] Octree world
- [x] Serialize
  - [x] Group files
    - [x] Zstd + custom grouping
    - [~] Find best region size
    - [x] Zstd Train dictionary
    - [x] Low memory: Keep only ifstream
    - [x] High memory: Save multiple
    - [x] Unload unused
- [x] Edition
- [~] Entity
  - [x] Basic
  - [ ] Instanced
    - https://learnopengl.com/Advanced-OpenGL/Instancing
  - [ ] Inheritance
    - [ ] ECS
  - [ ] Relative to area
  - [ ] Player as entity
  - [ ] Entities block world changes
- [x] Area
  - [x] Offset
  - [ ] Rotation
  - [ ] Planet
    - [ ] CubicSphere
    - [ ] Healpix
  - [ ] Galaxy
- [ ] Biomes
  - https://imgur.com/kM8b5Zq
  - https://imgur.com/a/bh2iy
  - https://speciesdevblog.files.wordpress.com/2012/11/biomemap.png
- [ ] Leak test
  - Valgrind
    - Xtree-memory
- [ ] sanitizer
  - [x] clang-tidy
  - [ ] clang -fall
- [ ] Server
  - [ ] ZeroMQ
- [x] Logger
- [ ] FastNoiseSIMD / HastyNoise double precision
- [x] Generational identifier
  - [ ] Limit map usage

## Rendering
- [x] Render triangle
- [x] Avoid texture noise
- [x] Better cheap planar
- [x] MipMap LOD
- [x] Fog
- [x] Multi Samples
- [x] SRGB
- [ ] HDR
  - https://www.youtube.com/watch?v=iikdcAA7cww
  - Toon shading
  - Eye adaptation
- [ ] Post processing
  - https://learnopengl.com/Advanced-OpenGL/Anti-Aliasing
  - Bloom
- [x] Skybox
  - [ ] Environment mapping
- [ ] Deferred
- [ ] Cascaded shadow maps
- [ ] RayCast
- [~] Transparency
- [x] Float precision problem

## Contouring
- [x] Box contouring
  - [x] Ignore sides
- [ ] LOD
- [x] Dual MC
  - [ ] Octree
- [~] Collision
- [ ] Dynamic index size
  - [x] Chunk size performance
- [ ] Render with glBufferSubData
- [x] Frustum Culling
- [ ] Occlusion Culling

- [x] Document