MinecraftEnv

Lightweight minecraft RL environment on fabric

Features

• Works on minecraft 1.21
• Used fabric mod
• JDK: 21

initial environment

• Inventory commands
• Entities
• World seed
• is world superflat
• is hardcore
• initial x, y, z
• always night / day
• do mob spawn
• screen size (visible/observed)
• Arbitrary commands (e.g. status effects)
• keys for statistics
• Hud is visible

Observation space

• rgb
• x, y, z
• pitch, yaw
• health, food_level, saturation_level
• is_dead
• inventory
• looking at entites, blocks
• sound subtitles
• status effects
• statistics
• visible entities
• surrounding entities
• is bobber thrown

Action space

• Similar to https://docs.minedojo.org/sections/core_api/action_space.html
• No crafting yet
• Arbitrary command (you should hide this for the agents)

Controlled by this reinforcement learning agent: https://github.com/yhs0602/CraftGround

renderDistance:6 simulationDistance:6

Build cpp

mkdir build
cd build
cmake ../src/main/cpp

Docs on MinecraftEnv.kt

ResetPhase

1. Initial: END_RESET
2. After reading initial environment: WAIT_INIT_ENDS

IOPhase

1. Initial: BEGINNING
2. After reading initial environment: GOT_INITIAL_ENVIRONMENT_SHOULD_SEND_OBSERVATION