diff --git a/configs.yaml b/configs.yaml
index 684cbb2..d085760 100644
--- a/configs.yaml
+++ b/configs.yaml
@@ -172,6 +172,15 @@ atari100k:
imag_gradient: 'reinforce'
time_limit: 108000
+minecraft:
+ task: minecraft_diamond
+ break_speed: 100.0
+ envs: 16
+ train_ratio: 16
+ log_keys_max: '^log_inventory.*'
+ encoder: {mlp_keys: 'inventory|inventory_max|equipped|health|hunger|breath|reward', cnn_keys: 'image'}
+ decoder: {mlp_keys: 'inventory|inventory_max|equipped|health|hunger|breath', cnn_keys: 'image'}
+ time_limit: 36000
debug:
debug: True
diff --git a/dreamer.py b/dreamer.py
index eeadf5a..f593669 100644
--- a/dreamer.py
+++ b/dreamer.py
@@ -218,9 +218,12 @@ def make_env(config, logger, mode, train_eps, eval_eps):
env = wrappers.OneHotAction(env)
elif suite == "crafter":
import envs.crafter as crafter
-
env = crafter.Crafter(task, config.size)
env = wrappers.OneHotAction(env)
+ elif suite == "minecraft":
+ import envs.minecraft as minecraft
+ env = minecraft.make_env(task, size=config.size, break_speed=config.break_speed)
+ env = wrappers.OneHotAction(env)
else:
raise NotImplementedError(suite)
env = wrappers.TimeLimit(env, config.time_limit)
diff --git a/envs/minecraft.py b/envs/minecraft.py
new file mode 100644
index 0000000..c94525b
--- /dev/null
+++ b/envs/minecraft.py
@@ -0,0 +1,154 @@
+import numpy as np
+from . import minecraft_base
+
+import gym
+
+def make_env(task, *args, **kwargs):
+ return {
+ 'wood': MinecraftWood,
+ 'climb': MinecraftClimb,
+ 'diamond': MinecraftDiamond,
+ }[task](*args, **kwargs)
+
+
+class MinecraftWood:
+
+ def __init__(self, *args, **kwargs):
+ actions = BASIC_ACTIONS
+ self.rewards = [
+ CollectReward('log', repeated=1),
+ HealthReward(),
+ ]
+ env = minecraft_base.MinecraftBase(actions, *args, **kwargs)
+
+ def step(self, action):
+ obs, reward, done, info = self.env.step(action)
+ reward = sum([fn(obs, self.env.inventory) for fn in self.rewards])
+ obs['reward'] = reward
+ return obs, reward, done, info
+
+
+class MinecraftClimb:
+
+ def __init__(self, *args, **kwargs):
+ actions = BASIC_ACTIONS
+ env = minecraft_base.MinecraftBase(actions, *args, **kwargs)
+ self._previous = None
+ self._health_reward = HealthReward()
+
+ def step(self, action):
+ obs, reward, done, info = self.env.step(action)
+ x, y, z = obs['log_player_pos']
+ height = np.float32(y)
+ if obs['is_first']:
+ self._previous = height
+ reward = height - self._previous
+ reward += self._health_reward(obs)
+ obs['reward'] = reward
+ self._previous = height
+ return obs, reward, done, info
+
+
+class MinecraftDiamond(gym.Wrapper):
+
+ def __init__(self, *args, **kwargs):
+ actions = {
+ **BASIC_ACTIONS,
+ 'craft_planks': dict(craft='planks'),
+ 'craft_stick': dict(craft='stick'),
+ 'craft_crafting_table': dict(craft='crafting_table'),
+ 'place_crafting_table': dict(place='crafting_table'),
+ 'craft_wooden_pickaxe': dict(nearbyCraft='wooden_pickaxe'),
+ 'craft_stone_pickaxe': dict(nearbyCraft='stone_pickaxe'),
+ 'craft_iron_pickaxe': dict(nearbyCraft='iron_pickaxe'),
+ 'equip_stone_pickaxe': dict(equip='stone_pickaxe'),
+ 'equip_wooden_pickaxe': dict(equip='wooden_pickaxe'),
+ 'equip_iron_pickaxe': dict(equip='iron_pickaxe'),
+ 'craft_furnace': dict(nearbyCraft='furnace'),
+ 'place_furnace': dict(place='furnace'),
+ 'smelt_iron_ingot': dict(nearbySmelt='iron_ingot'),
+ }
+ self.rewards = [
+ CollectReward('log', once=1),
+ CollectReward('planks', once=1),
+ CollectReward('stick', once=1),
+ CollectReward('crafting_table', once=1),
+ CollectReward('wooden_pickaxe', once=1),
+ CollectReward('cobblestone', once=1),
+ CollectReward('stone_pickaxe', once=1),
+ CollectReward('iron_ore', once=1),
+ CollectReward('furnace', once=1),
+ CollectReward('iron_ingot', once=1),
+ CollectReward('iron_pickaxe', once=1),
+ CollectReward('diamond', once=1),
+ HealthReward(),
+ ]
+ env = minecraft_base.MinecraftBase(actions, *args, **kwargs)
+ super().__init__(env)
+
+ def step(self, action):
+ obs, reward, done, info = self.env.step(action)
+ reward = sum([fn(obs, self.env.inventory) for fn in self.rewards])
+ obs['reward'] = reward
+ return obs, reward, done, info
+
+ def reset(self):
+ obs = self.env.reset()
+ # called for reset of reward calculations
+ _ = sum([fn(obs, self.env.inventory) for fn in self.rewards])
+ return obs
+
+
+class CollectReward:
+
+ def __init__(self, item, once=0, repeated=0):
+ self.item = item
+ self.once = once
+ self.repeated = repeated
+ self.previous = 0
+ self.maximum = 0
+
+ def __call__(self, obs, inventory):
+ current = inventory[self.item]
+ if obs['is_first']:
+ self.previous = current
+ self.maximum = current
+ return 0
+ reward = self.repeated * max(0, current - self.previous)
+ if self.maximum == 0 and current > 0:
+ reward += self.once
+ self.previous = current
+ self.maximum = max(self.maximum, current)
+ return reward
+
+
+class HealthReward:
+
+ def __init__(self, scale=0.01):
+ self.scale = scale
+ self.previous = None
+
+ def __call__(self, obs, inventory=None):
+ health = obs['health']
+ if obs['is_first']:
+ self.previous = health
+ return 0
+ reward = self.scale * (health - self.previous)
+ self.previous = health
+ return np.float32(reward)
+
+
+BASIC_ACTIONS = {
+ 'noop': dict(),
+ 'attack': dict(attack=1),
+ 'turn_up': dict(camera=(-15, 0)),
+ 'turn_down': dict(camera=(15, 0)),
+ 'turn_left': dict(camera=(0, -15)),
+ 'turn_right': dict(camera=(0, 15)),
+ 'forward': dict(forward=1),
+ 'back': dict(back=1),
+ 'left': dict(left=1),
+ 'right': dict(right=1),
+ 'jump': dict(jump=1, forward=1),
+ 'place_dirt': dict(place='dirt'),
+}
diff --git a/envs/minecraft_base.py b/envs/minecraft_base.py
new file mode 100644
index 0000000..47a3a56
--- /dev/null
+++ b/envs/minecraft_base.py
@@ -0,0 +1,219 @@
+import logging
+import threading
+
+import numpy as np
+import gym
+
+class MinecraftBase(gym.Env):
+
+ _LOCK = threading.Lock()
+
+ def __init__(
+ self, actions,
+ repeat=1,
+ size=(64, 64),
+ break_speed=100.0,
+ gamma=10.0,
+ sticky_attack=30,
+ sticky_jump=10,
+ pitch_limit=(-60, 60),
+ logs=True,
+ ):
+ if logs:
+ logging.basicConfig(level=logging.DEBUG)
+ self._repeat = repeat
+ self._size = size
+ if break_speed != 1.0:
+ sticky_attack = 0
+
+ # Make env
+ with self._LOCK:
+ from .import minecraft_minerl
+ self._env = minecraft_minerl.MineRLEnv(size, break_speed, gamma).make()
+ self._inventory = {}
+
+ # Observations
+ self._inv_keys = [
+ k for k in self._flatten(self._env.observation_space.spaces) if k.startswith('inventory/')
+ if k != 'inventory/log2']
+ self._step = 0
+ self._max_inventory = None
+ self._equip_enum = self._env.observation_space[
+ 'equipped_items']['mainhand']['type'].values.tolist()
+
+ # Actions
+ self._noop_action = minecraft_minerl.NOOP_ACTION
+ actions = self._insert_defaults(actions)
+ self._action_names = tuple(actions.keys())
+ self._action_values = tuple(actions.values())
+ message = f'Minecraft action space ({len(self._action_values)}):'
+ print(message, ', '.join(self._action_names))
+ self._sticky_attack_length = sticky_attack
+ self._sticky_attack_counter = 0
+ self._sticky_jump_length = sticky_jump
+ self._sticky_jump_counter = 0
+ self._pitch_limit = pitch_limit
+ self._pitch = 0
+
+ @property
+ def observation_space(self):
+ return gym.spaces.Dict(
+ {
+ 'image': gym.spaces.Box(0, 255, self._size + (3,), np.uint8),
+ 'inventory': gym.spaces.Box(-np.inf, np.inf, (len(self._inv_keys),), dtype=np.float32),
+ 'inventory_max': gym.spaces.Box(-np.inf, np.inf, (len(self._inv_keys),), dtype=np.float32),
+ 'equipped': gym.spaces.Box(-np.inf, np.inf, (len(self._equip_enum),), dtype=np.float32),
+ 'reward': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.float32),
+ 'health': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.float32),
+ 'hunger': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.float32),
+ 'breath': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.float32),
+ 'is_first': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.uint8),
+ 'is_last': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.uint8),
+ 'is_terminal': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.uint8),
+ **{f'log_{k}': gym.spaces.Box(-np.inf, np.inf, (1,), dtype=np.int64) for k in self._inv_keys},
+ 'log_player_pos': gym.spaces.Box(-np.inf, np.inf, (3,), dtype=np.float32),
+ }
+ )
+
+ @property
+ def action_space(self):
+ space = gym.spaces.discrete.Discrete(len(self._action_values))
+ space.discrete = True
+ return space
+
+ def step(self, action):
+ action = action.copy()
+ print(self._step, action)
+ action = self._action_values[action]
+ action = self._action(action)
+ following = self._noop_action.copy()
+ for key in ('attack', 'forward', 'back', 'left', 'right'):
+ following[key] = action[key]
+ for act in [action] + ([following] * (self._repeat - 1)):
+ obs, reward, done, info = self._env.step(act)
+ if 'error' in info:
+ done = True
+ break
+ obs['is_first'] = False
+ obs['is_last'] = bool(done)
+ obs['is_terminal'] = bool(info.get('is_terminal', done))
+
+ obs = self._obs(obs)
+ self._step += 1
+ assert 'pov' not in obs, list(obs.keys())
+ return obs, reward, done, info
+
+ @property
+ def inventory(self):
+ return self._inventory
+
+ def reset(self):
+ # inventory will be added in _obs
+ self._inventory = {}
+ self._max_inventory = None
+
+ with self._LOCK:
+ obs = self._env.reset()
+ obs['is_first'] = True
+ obs['is_last'] = False
+ obs['is_terminal'] = False
+ obs = self._obs(obs)
+
+ self._step = 0
+ self._sticky_attack_counter = 0
+ self._sticky_jump_counter = 0
+ self._pitch = 0
+ return obs
+
+ def _obs(self, obs):
+ obs = self._flatten(obs)
+ obs['inventory/log'] += obs.pop('inventory/log2')
+ self._inventory = {
+ k.split('/', 1)[1]: obs[k] for k in self._inv_keys
+ if k != 'inventory/air'}
+ inventory = np.array([obs[k] for k in self._inv_keys], np.float32)
+ if self._max_inventory is None:
+ self._max_inventory = inventory
+ else:
+ self._max_inventory = np.maximum(self._max_inventory, inventory)
+ index = self._equip_enum.index(obs['equipped_items/mainhand/type'])
+ equipped = np.zeros(len(self._equip_enum), np.float32)
+ equipped[index] = 1.0
+ player_x = obs['location_stats/xpos']
+ player_y = obs['location_stats/ypos']
+ player_z = obs['location_stats/zpos']
+ obs = {
+ 'image': obs['pov'],
+ 'inventory': inventory,
+ 'inventory_max': self._max_inventory.copy(),
+ 'equipped': equipped,
+ 'health': np.float32(obs['life_stats/life'] / 20),
+ 'hunger': np.float32(obs['life_stats/food'] / 20),
+ 'breath': np.float32(obs['life_stats/air'] / 300),
+ 'reward': 0.0,
+ 'is_first': obs['is_first'],
+ 'is_last': obs['is_last'],
+ 'is_terminal': obs['is_terminal'],
+ **{f'log_{k}': np.int64(obs[k]) for k in self._inv_keys},
+ 'log_player_pos': np.array([player_x, player_y, player_z], np.float32),
+ }
+ for key, value in obs.items():
+ space = self.observation_space[key]
+ if not isinstance(value, np.ndarray):
+ value = np.array(value)
+ assert (key, value, value.dtype, value.shape, space)
+ return obs
+
+ def _action(self, action):
+ if self._sticky_attack_length:
+ if action['attack']:
+ self._sticky_attack_counter = self._sticky_attack_length
+ if self._sticky_attack_counter > 0:
+ action['attack'] = 1
+ action['jump'] = 0
+ self._sticky_attack_counter -= 1
+ if self._sticky_jump_length:
+ if action['jump']:
+ self._sticky_jump_counter = self._sticky_jump_length
+ if self._sticky_jump_counter > 0:
+ action['jump'] = 1
+ action['forward'] = 1
+ self._sticky_jump_counter -= 1
+ if self._pitch_limit and action['camera'][0]:
+ lo, hi = self._pitch_limit
+ if not (lo <= self._pitch + action['camera'][0] <= hi):
+ action['camera'] = (0, action['camera'][1])
+ self._pitch += action['camera'][0]
+ return action
+
+ def _insert_defaults(self, actions):
+ actions = {name: action.copy() for name, action in actions.items()}
+ for key, default in self._noop_action.items():
+ for action in actions.values():
+ if key not in action:
+ action[key] = default
+ return actions
+
+ def _flatten(self, nest, prefix=None):
+ result = {}
+ for key, value in nest.items():
+ key = prefix + '/' + key if prefix else key
+ if isinstance(value, gym.spaces.Dict):
+ value = value.spaces
+ if isinstance(value, dict):
+ result.update(self._flatten(value, key))
+ else:
+ result[key] = value
+ return result
+
+ def _unflatten(self, flat):
+ result = {}
+ for key, value in flat.items():
+ parts = key.split('/')
+ node = result
+ for part in parts[:-1]:
+ if part not in node:
+ node[part] = {}
+ node = node[part]
+ node[parts[-1]] = value
+ return result
\ No newline at end of file
diff --git a/envs/minecraft_minerl.py b/envs/minecraft_minerl.py
new file mode 100644
index 0000000..b412218
--- /dev/null
+++ b/envs/minecraft_minerl.py
@@ -0,0 +1,150 @@
+from minerl.herobraine.env_spec import EnvSpec
+from minerl.herobraine.hero import handler
+from minerl.herobraine.hero import handlers
+from minerl.herobraine.hero import mc
+from minerl.herobraine.hero.mc import INVERSE_KEYMAP
+
+
+def edit_options(**kwargs):
+ import os, pathlib, re
+ for word in os.popen('pip3 --version').read().split(' '):
+ if '-packages/pip' in word:
+ break
+ else:
+ raise RuntimeError('Could not found python package directory.')
+ packages = pathlib.Path(word).parent
+ filename = packages / 'minerl/Malmo/Minecraft/run/options.txt'
+ options = filename.read_text()
+ if 'fovEffectScale:' not in options:
+ options += 'fovEffectScale:1.0\n'
+ if 'simulationDistance:' not in options:
+ options += 'simulationDistance:12\n'
+ for key, value in kwargs.items():
+ assert f'{key}:' in options, key
+ assert isinstance(value, str), (value, type(value))
+ options = re.sub(f'{key}:.*\n', f'{key}:{value}\n', options)
+ filename.write_text(options)
+
+
+edit_options(
+ difficulty='2',
+ renderDistance='6',
+ simulationDistance='6',
+ fovEffectScale='0.0',
+ ao='1',
+ gamma='5.0',
+)
+
+
+class MineRLEnv(EnvSpec):
+
+ def __init__(self, resolution=(64, 64), break_speed=50, gamma=10.0):
+ self.resolution = resolution
+ self.break_speed = break_speed
+ self.gamma = gamma
+ super().__init__(name='MineRLEnv-v1')
+
+ def create_agent_start(self):
+ return [
+ BreakSpeedMultiplier(self.break_speed),
+ ]
+
+ def create_agent_handlers(self):
+ return []
+
+ def create_server_world_generators(self):
+ return [handlers.DefaultWorldGenerator(force_reset=True)]
+
+ def create_server_quit_producers(self):
+ return [handlers.ServerQuitWhenAnyAgentFinishes()]
+
+ def create_server_initial_conditions(self):
+ return [
+ handlers.TimeInitialCondition(
+ allow_passage_of_time=True,
+ start_time=0,
+ ),
+ handlers.SpawningInitialCondition(
+ allow_spawning=True,
+ )
+ ]
+
+ def create_observables(self):
+ return [
+ handlers.POVObservation(self.resolution),
+ handlers.FlatInventoryObservation(mc.ALL_ITEMS),
+ handlers.EquippedItemObservation(
+ mc.ALL_ITEMS, _default='air', _other='other'),
+ handlers.ObservationFromCurrentLocation(),
+ handlers.ObservationFromLifeStats(),
+ ]
+
+ def create_actionables(self):
+ kw = dict(_other='none', _default='none')
+ return [
+ handlers.KeybasedCommandAction('forward', INVERSE_KEYMAP['forward']),
+ handlers.KeybasedCommandAction('back', INVERSE_KEYMAP['back']),
+ handlers.KeybasedCommandAction('left', INVERSE_KEYMAP['left']),
+ handlers.KeybasedCommandAction('right', INVERSE_KEYMAP['right']),
+ handlers.KeybasedCommandAction('jump', INVERSE_KEYMAP['jump']),
+ handlers.KeybasedCommandAction('sneak', INVERSE_KEYMAP['sneak']),
+ handlers.KeybasedCommandAction('attack', INVERSE_KEYMAP['attack']),
+ handlers.CameraAction(),
+ handlers.PlaceBlock(['none'] + mc.ALL_ITEMS, **kw),
+ handlers.EquipAction(['none'] + mc.ALL_ITEMS, **kw),
+ handlers.CraftAction(['none'] + mc.ALL_ITEMS, **kw),
+ handlers.CraftNearbyAction(['none'] + mc.ALL_ITEMS, **kw),
+ handlers.SmeltItemNearby(['none'] + mc.ALL_ITEMS, **kw),
+ ]
+
+ def is_from_folder(self, folder):
+ return folder == 'none'
+
+ def get_docstring(self):
+ return ''
+
+ def determine_success_from_rewards(self, rewards):
+ return True
+
+ def create_rewardables(self):
+ return []
+
+ def create_server_decorators(self):
+ return []
+
+ def create_mission_handlers(self):
+ return []
+
+ def create_monitors(self):
+ return []
+
+
+class BreakSpeedMultiplier(handler.Handler):
+
+ def __init__(self, multiplier=1.0):
+ self.multiplier = multiplier
+
+ def to_string(self):
+ return f'break_speed({self.multiplier})'
+
+ def xml_template(self):
+ return '{{multiplier}}'
+
+
+class Gamma(handler.Handler):
+
+ def __init__(self, gamma=2.0):
+ self.gamma = gamma
+
+ def to_string(self):
+ return f'gamma({self.gamma})'
+
+ def xml_template(self):
+ return '{{gamma}}'
+
+
+NOOP_ACTION = dict(
+ camera=(0, 0), forward=0, back=0, left=0, right=0, attack=0, sprint=0,
+ jump=0, sneak=0, craft='none', nearbyCraft='none', nearbySmelt='none',
+ place='none', equip='none',
+)
diff --git a/requirements.txt b/requirements.txt
index 077499a..fc7a2a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,7 @@
setuptools==60.0.0
torch==2.0.0
torchvision==0.15.1
-numpy==1.20.1
-tensorboard==2.5.0
+tensorboard==2.10.0
pandas==1.2.4
matplotlib==3.5.0
ruamel.yaml==0.17.4
@@ -11,8 +10,12 @@ einops==0.3.0
protobuf==3.20.0
gym==0.19.0
dm_control==1.0.9
-scipy==1.7.0
+scipy==1.8.0
memory_maze==1.0.2
atari-py==0.2.9
crafter==1.8.0
-opencv-python==4.7.0.72
\ No newline at end of file
+opencv-python==4.7.0.72
+numpy==1.21.0
+# minerl==0.4.4
+# This was needed for minerl
+# conda install -c conda-forge openjdk=8