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Track protocol 777 health and hunger

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This commit is contained in:
Tanner
2026-11-04 17:14:15 +00:00
parent 4129686b07
commit 6dbc61284a
9 changed files with 126 additions and 7 deletions
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mosfet.py
+8 -2
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@@ -48,8 +48,14 @@ g.job = None
g.correction_count = 0
g.holding = 0
g.afk = False
g.health = 20
g.food = 20
g.health = None
g.food = None
g.hunger = None
g.food_saturation = None
g.saturation = None
g.health_update_received = False
g.health_updated_at = None
g.dead = False
g.sand_origin = None
g.reload_lock = threading.RLock()
_item_icon_cache = Path(__file__).resolve().parent / 'web_interface' / 'item_cache'
mosfet/commands.py
+8
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@@ -107,6 +107,14 @@ class Commands:
if command == 'pos':
reply = str(utils.pint(self.g.pos))[1:-1] + ', ' + self.g.dimension
## !health - replies with health, hunger, and saturation
if command == 'health':
if not self.g.get('health_update_received'):
reply = 'health status not received yet'
else:
reply = 'health {:.1f}, hunger {}/20, saturation {:.2f}'.format(
self.g.health, self.g.food, self.g.food_saturation)
## !afk - goes AFK with /afk
if command == 'afk':
if not self.g.afk:
mosfet/game.py
+38
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@@ -583,6 +583,44 @@ class Game(LegacyGame):
self.break_deadline = None
self.breaking_state = None
from mosfet.protocol.packets import SetHealthPacket
# Health is a protocol-777 packet, not the legacy UpdateHealthPacket.
# Register its decoder on an already-running reactor as well, so a
# hot reload can enable health tracking without reconnecting. Rebuild
# the base map first to remove any stale decoder for an earlier ID.
reactor = self.g.connection.reactor
if hasattr(reactor, 'clientbound_packets'):
context = self.g.connection.context
reactor.clientbound_packets = {
packet.get_id(context): packet
for packet in reactor.__class__.get_clientbound_packets(context)
}
reactor.clientbound_packets[SetHealthPacket.id] = SetHealthPacket
self.g.connection.register_packet_listener(
self.handle_set_health, SetHealthPacket)
if not self.g.get('health_update_received', False):
self.g.health = None
self.g.food = None
self.g.hunger = None
self.g.food_saturation = None
self.g.saturation = None
self.g.health_update_received = False
self.g.health_updated_at = None
self.g.dead = False
def handle_set_health(self, packet):
self.g.health = float(packet.health)
self.g.food = int(packet.food)
self.g.hunger = self.g.food
self.g.food_saturation = float(packet.food_saturation)
self.g.saturation = self.g.food_saturation
self.g.health_update_received = True
self.g.health_updated_at = time.time()
self.g.dead = self.g.health <= 0
print('[status] health={:.1f} hunger={} saturation={:.2f}'.format(
self.g.health, self.g.food, self.g.food_saturation), flush=True)
def _send_action(self, packet):
self.g.connection.write_packet(packet, force=True)
self.g.connection.write_packet(ClientTickEnd(), force=True)
mosfet/protocol/packets.py
+11
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@@ -13,6 +13,17 @@ from .types import Nbt, Slot, Entry, Trade
from mosfet.info import blocks
class SetHealthPacket(Packet):
"""Minecraft 26.3 (protocol 777) clientbound health/food update."""
id = 0x6A
packet_name = 'set health'
definition = [
{'health': Float},
{'food': VarInt},
{'food_saturation': Float},
]
class ChunkDataPacket(Packet):
id = 0x20
packet_name = 'chunk data'
tests/test_health_packet.py
+48
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@@ -0,0 +1,48 @@
import io
import struct
import unittest
from munch import Munch
from mosfet.game import Game
from mosfet.protocol.packets import SetHealthPacket
class TestSetHealthPacket(unittest.TestCase):
def test_protocol_777_packet_decodes_all_status_values(self):
payload = struct.pack('>f', 13.5) + bytes([14]) + struct.pack('>f', 5.25)
packet = SetHealthPacket()
packet.read(io.BytesIO(payload))
self.assertEqual(packet.id, 0x6A)
self.assertEqual(packet.health, 13.5)
self.assertEqual(packet.food, 14)
self.assertEqual(packet.food_saturation, 5.25)
def test_game_state_tracks_health_hunger_and_saturation(self):
game = Game.__new__(Game)
game.g = Munch()
game.handle_set_health(SetHealthPacket(
health=7.5, food=9, food_saturation=2.25))
self.assertEqual(game.g.health, 7.5)
self.assertEqual(game.g.food, 9)
self.assertEqual(game.g.hunger, 9)
self.assertEqual(game.g.food_saturation, 2.25)
self.assertEqual(game.g.saturation, 2.25)
self.assertTrue(game.g.health_update_received)
self.assertFalse(game.g.dead)
def test_zero_health_marks_bot_dead_without_faking_values(self):
game = Game.__new__(Game)
game.g = Munch()
game.handle_set_health(SetHealthPacket(
health=0.0, food=0, food_saturation=0.0))
self.assertEqual(game.g.health, 0.0)
self.assertEqual(game.g.food, 0)
self.assertTrue(game.g.dead)
if __name__ == '__main__':
unittest.main()
web_interface/build/index.html
+1
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@@ -37,6 +37,7 @@
<div class="stat-top"><span class="stat-label">HUNGER</span><span class="stat-icon food">◆</span></div>
<div class="stat-value"><span id="food-value">—</span><small>/ 20</small></div>
<div class="meter"><span id="food-meter" class="meter-fill food-fill"></span></div>
<div id="food-saturation" class="stat-caption">Saturation —</div>
</article>
<article class="stat-card panel">
<div class="stat-top"><span class="stat-label">MOVEMENT</span><span class="live-dot"></span></div>
web_interface/public/index.html
+1
View File
@@ -37,6 +37,7 @@
<div class="stat-top"><span class="stat-label">HUNGER</span><span class="stat-icon food">◆</span></div>
<div class="stat-value"><span id="food-value">—</span><small>/ 20</small></div>
<div class="meter"><span id="food-meter" class="meter-fill food-fill"></span></div>
<div id="food-saturation" class="stat-caption">Saturation —</div>
</article>
<article class="stat-card panel">
<div class="stat-top"><span class="stat-label">MOVEMENT</span><span class="live-dot"></span></div>
web_interface/src/dashboard.js
+10 -5
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@@ -147,12 +147,17 @@
$('position').textContent = vectorText(state.pos || state.player_position);
$('dimension').textContent = dimensionName(state.dimension);
const health = Number(state.health);
const food = Number(state.food);
$('health-value').textContent = Number.isFinite(health) ? String(health) : '—';
const health = state.health == null ? NaN : Number(state.health);
const food = state.food == null ? NaN : Number(state.food);
const saturation = state.food_saturation == null
? NaN : Number(state.food_saturation);
$('health-value').textContent = Number.isFinite(health)
? Number(health.toFixed(1)).toString() : '—';
$('food-value').textContent = Number.isFinite(food) ? String(food) : '—';
$('health-meter').style.width = `${Math.max(0, Math.min(100, health * 5 || 0))}%`;
$('food-meter').style.width = `${Math.max(0, Math.min(100, food * 5 || 0))}%`;
$('food-saturation').textContent = Number.isFinite(saturation)
? `Saturation ${saturation.toFixed(2)}` : 'Saturation —';
$('health-meter').style.width = `${Math.max(0, Math.min(100, (health || 0) * 5))}%`;
$('food-meter').style.width = `${Math.max(0, Math.min(100, (food || 0) * 5))}%`;
const movement = state.movement_status || (state.path?.length ? 'following_path' : 'idle');
$('movement-value').textContent = String(movement).replaceAll('_', ' ').toUpperCase();
web_interface/src/index.html
+1
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@@ -37,6 +37,7 @@
<div class="stat-top"><span class="stat-label">HUNGER</span><span class="stat-icon food">◆</span></div>
<div class="stat-value"><span id="food-value">—</span><small>/ 20</small></div>
<div class="meter"><span id="food-meter" class="meter-fill food-fill"></span></div>
<div id="food-saturation" class="stat-caption">Saturation —</div>
</article>
<article class="stat-card panel">
<div class="stat-top"><span class="stat-label">MOVEMENT</span><span class="live-dot"></span></div>