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Sokoban

Single-Player/GVGAI/sokoban.yaml

Description

Push the boxes into holes.

Levels

Levels
Vector Sprite2D Block2D
Level ID 0
Size 13x9

img/Sokoban-level-Vector-0.png

img/Sokoban-level-Sprite2D-0.png

img/Sokoban-level-Block2D-0.png
Level ID 1
Size 13x9

img/Sokoban-level-Vector-1.png

img/Sokoban-level-Sprite2D-1.png

img/Sokoban-level-Block2D-1.png
Level ID 2
Size 13x9

img/Sokoban-level-Vector-2.png

img/Sokoban-level-Sprite2D-2.png

img/Sokoban-level-Block2D-2.png
Level ID 3
Size 11x9

img/Sokoban-level-Vector-3.png

img/Sokoban-level-Sprite2D-3.png

img/Sokoban-level-Block2D-3.png
Level ID 4
Size 7x7

img/Sokoban-level-Vector-4.png

img/Sokoban-level-Sprite2D-4.png

img/Sokoban-level-Block2D-4.png
Level ID 5
Size 9x8

img/Sokoban-level-Vector-5.png

img/Sokoban-level-Sprite2D-5.png

img/Sokoban-level-Block2D-5.png

Code Example

The most basic way to create a Griddly Gym Environment. Defaults to level 0 and SPRITE_2D rendering.

import gym
import griddly

if __name__ == '__main__':

    env = gym.make('GDY-Sokoban-v0')
    env.reset()

    # Replace with your own control algorithm!
    for s in range(1000):
        obs, reward, done, info = env.step(env.action_space.sample())
        env.render() # Renders the environment from the perspective of a single player

        env.render(observer='global') # Renders the entire environment

        if done:
            env.reset()

Objects

Tiles
Name -> box wall hole avatar
Map Char -> b w h A
Vector image image image image
Sprite2D image image image image
Block2D image image image image

Actions

move

Action Id Mapping
1 Left
2 Up
3 Right
4 Down

YAML

Version: "0.1"
Environment:
  Name: Sokoban
  Description: Push the boxes into holes.
  Observers:
    Sprite2D:
      TileSize: 24
      BackgroundTile: gvgai/newset/floor2.png
    Block2D:
      TileSize: 24
  Player:
    AvatarObject: avatar # The player can only control a single avatar in the game
  Termination:
    Win:
      - eq: [box:count, 0] # If there are no boxes left
  Levels:
    - |
      wwwwwwwwwwwww
      whhhhhhhhhhhw
      wh.........hw
      wh...b.b...hw
      wh....A....hw
      wh...b.b...hw
      wh.........hw
      whhhhhhhhhhhw
      wwwwwwwwwwwww
    - |
      wwwwwwwwwwwww
      w........w..w
      w...b.......w
      w...A.b.w.hww
      www.wb..wwwww
      w.......w.h.w
      w.b........ww
      w..........ww
      wwwwwwwwwwwww
    - |
      wwwwwwwwwwwww
      wwA........ww
      wwwwb......ww
      wwww.h......w
      wwww........w
      w..b...wbwwww
      w..h.......hw
      w...........w
      wwwwwwwwwwwww
    - |
      wwwwwwwwwww
      w...w.....w
      w.whb.wwb.w
      w...b.....w
      wwwwwh....w
      ww........w
      ww..w..wbAw
      ww..w..w..w
      wwwwwwwwwww
    - |
      wwwwwww
      w..hA.w
      w.whw.w
      w...b.w
      whbb.ww
      w..wwww
      wwwwwww
    - |
      wwwwwwwww
      ww.h....w
      ww...bA.w
      w....w..w
      wwwbw...w
      www...w.w
      wwwh....w
      wwwwwwwww

Actions:
  # Define the move action
  - Name: move
    Behaviours:
      # The agent can move around freely in empty space and over holes
      - Src:
          Object: avatar
          Commands:
            - mov: _dest
        Dst:
          Object: [_empty, hole]

      # Boxes can move into empty space
      - Src:
          Object: box
          Commands:
            - mov: _dest
        Dst:
          Object: _empty

      # The agent can push boxes
      - Src:
          Object: avatar
          Commands:
            - mov: _dest
        Dst:
          Object: box
          Commands:
            - cascade: _dest

      # If a box is moved into a hole remove it
      - Src:
          Object: box
          Commands:
            - remove: true
            - reward: 1
        Dst:
          Object: hole

Objects:
  - Name: box
    Z: 2
    MapCharacter: b
    Observers:
      Sprite2D:
        - Image: gvgai/newset/block1.png
      Block2D:
        - Shape: square
          Color: [1.0, 0.0, 0.0]
          Scale: 0.5

  - Name: wall
    MapCharacter: w
    Observers:
      Sprite2D:
        - TilingMode: WALL_16
          Image:
            - gvgai/oryx/wall3_0.png
            - gvgai/oryx/wall3_1.png
            - gvgai/oryx/wall3_2.png
            - gvgai/oryx/wall3_3.png
            - gvgai/oryx/wall3_4.png
            - gvgai/oryx/wall3_5.png
            - gvgai/oryx/wall3_6.png
            - gvgai/oryx/wall3_7.png
            - gvgai/oryx/wall3_8.png
            - gvgai/oryx/wall3_9.png
            - gvgai/oryx/wall3_10.png
            - gvgai/oryx/wall3_11.png
            - gvgai/oryx/wall3_12.png
            - gvgai/oryx/wall3_13.png
            - gvgai/oryx/wall3_14.png
            - gvgai/oryx/wall3_15.png
      Block2D:
        - Shape: triangle
          Color: [0.6, 0.6, 0.6]
          Scale: 0.9

  - Name: hole
    Z: 1
    MapCharacter: h
    Observers:
      Sprite2D:
        - Image: gvgai/oryx/cspell4.png
      Block2D:
        - Shape: square
          Color: [0.0, 1.0, 0.0]
          Scale: 0.6

  - Name: avatar
    Z: 2
    MapCharacter: A
    Observers:
      Sprite2D:
        - Image: gvgai/oryx/knight1.png
      Block2D:
        - Shape: triangle
          Color: [0.2, 0.2, 0.6]
          Scale: 1.0