# Specs

## Représentation des cases :

cf. ./blog/game-state-notation.md

13 14 .. 23 24
12 11 .. 2  1

Encodage efficace : https://www.gnu.org/software/gnubg/manual/html_node/A-technical-description-of-the-Position-ID.html

### State data
* piece placement -> 77bits (24 + 23 + 30 max)
  * dames
* active player -> 1 bit
* step  -> 2 bits
  * roll dice
  * mark points (jeton & fichet) & set bredouille markers (3rd jeton & pavillon)
  * move pieces
* dice roll -> 6bits 
* points 10bits x2 joueurs = 20bits
  * points -> 4bits
  * trous -> 4bits
  * bredouille possible 1bit
  * grande bredouille possible 1bit

Total : 77 + 1 + 2 + 6 + 20 = 105 bits = 17.666 * 6 -> 18 u32 (108 possible)