Files
echoes-of-the-ash/bot/background_tasks.py
2025-11-07 15:27:13 +01:00

202 lines
9.1 KiB
Python

"""
Background tasks for the bot.
Handles periodic maintenance, regeneration, and processing.
"""
import asyncio
import logging
import time
from bot import database
logger = logging.getLogger(__name__)
async def decay_dropped_items(shutdown_event):
"""A background task that periodically cleans up old dropped items."""
while not shutdown_event.is_set():
try:
# Wait for 5 minutes before the next cleanup
await asyncio.wait_for(shutdown_event.wait(), timeout=300)
except asyncio.TimeoutError:
start_time = time.time()
logger.info("Running item decay task...")
# Set decay time to 1 hour (3600 seconds)
decay_seconds = 3600
timestamp_limit = int(time.time()) - decay_seconds
items_removed = await database.remove_expired_dropped_items(timestamp_limit)
elapsed = time.time() - start_time
if items_removed > 0:
logger.info(f"Decayed and removed {items_removed} old items in {elapsed:.2f}s")
async def regenerate_stamina(shutdown_event):
"""A background task that periodically regenerates stamina for all players."""
while not shutdown_event.is_set():
try:
# Wait for 5 minutes before the next regeneration cycle
await asyncio.wait_for(shutdown_event.wait(), timeout=300)
except asyncio.TimeoutError:
start_time = time.time()
logger.info("Running stamina regeneration...")
players_updated = await database.regenerate_all_players_stamina()
elapsed = time.time() - start_time
if players_updated > 0:
logger.info(f"Regenerated stamina for {players_updated} players in {elapsed:.2f}s")
# Alert if regeneration is taking too long (potential scaling issue)
if elapsed > 5.0:
logger.warning(f"⚠️ Stamina regeneration took {elapsed:.2f}s (threshold: 5s) - check database load!")
async def check_combat_timers(shutdown_event):
"""A background task that checks for idle combat turns and auto-attacks."""
while not shutdown_event.is_set():
try:
# Wait for 30 seconds before next check
await asyncio.wait_for(shutdown_event.wait(), timeout=30)
except asyncio.TimeoutError:
start_time = time.time()
# Check for combats idle for more than 5 minutes (300 seconds)
idle_threshold = time.time() - 300
idle_combats = await database.get_all_idle_combats(idle_threshold)
if idle_combats:
logger.info(f"Processing {len(idle_combats)} idle combats...")
for combat in idle_combats:
try:
from bot import combat as combat_logic
# Force end player's turn and let NPC attack
if combat['turn'] == 'player':
await database.update_combat(combat['player_id'], {
'turn': 'npc',
'turn_started_at': time.time()
})
# NPC attacks
await combat_logic.npc_attack(combat['player_id'])
except Exception as e:
logger.error(f"Error processing idle combat: {e}")
# Log performance for monitoring
if idle_combats:
elapsed = time.time() - start_time
logger.info(f"Processed {len(idle_combats)} idle combats in {elapsed:.2f}s")
# Warn if taking too long (potential scaling issue)
if elapsed > 10.0:
logger.warning(f"⚠️ Combat timer check took {elapsed:.2f}s (threshold: 10s) - consider batching!")
async def decay_corpses(shutdown_event):
"""A background task that removes old corpses."""
while not shutdown_event.is_set():
try:
# Wait for 10 minutes before next cleanup
await asyncio.wait_for(shutdown_event.wait(), timeout=600)
except asyncio.TimeoutError:
start_time = time.time()
logger.info("Running corpse decay...")
# Player corpses decay after 24 hours
player_corpse_limit = time.time() - (24 * 3600)
player_corpses_removed = await database.remove_expired_player_corpses(player_corpse_limit)
# NPC corpses decay after 2 hours
npc_corpse_limit = time.time() - (2 * 3600)
npc_corpses_removed = await database.remove_expired_npc_corpses(npc_corpse_limit)
elapsed = time.time() - start_time
if player_corpses_removed > 0 or npc_corpses_removed > 0:
logger.info(f"Decayed {player_corpses_removed} player corpses and {npc_corpses_removed} NPC corpses in {elapsed:.2f}s")
async def process_status_effects(shutdown_event):
"""
A background task that applies damage from persistent status effects.
Runs every 5 minutes to process status effect ticks.
"""
while not shutdown_event.is_set():
try:
# Wait for 5 minutes before next processing cycle
await asyncio.wait_for(shutdown_event.wait(), timeout=300)
except asyncio.TimeoutError:
start_time = time.time()
logger.info("Running status effects processor...")
try:
# Decrement all status effect ticks and get affected players
affected_players = await database.decrement_all_status_effect_ticks()
if not affected_players:
elapsed = time.time() - start_time
logger.info(f"No active status effects to process ({elapsed:.3f}s)")
continue
# Process each affected player
deaths = 0
damage_dealt = 0
for player_id in affected_players:
try:
# Get current status effects (after decrement)
effects = await database.get_player_status_effects(player_id)
if not effects:
continue
# Calculate total damage
from bot.status_utils import calculate_status_damage
total_damage = calculate_status_damage(effects)
if total_damage > 0:
damage_dealt += total_damage
player = await database.get_player(player_id)
if not player or player['is_dead']:
continue
new_hp = max(0, player['hp'] - total_damage)
# Check if player died from status effects
if new_hp <= 0:
await database.update_player(player_id, {'hp': 0, 'is_dead': True})
deaths += 1
# Create player corpse
inventory = await database.get_inventory(player_id)
await database.create_player_corpse(
player_name=player['name'],
location_id=player['location_id'],
items=inventory
)
# Remove status effects from dead player
await database.remove_all_status_effects(player_id)
logger.info(f"Player {player['name']} (ID: {player_id}) died from status effects")
else:
# Apply damage
await database.update_player(player_id, {'hp': new_hp})
except Exception as e:
logger.error(f"Error processing status effects for player {player_id}: {e}")
elapsed = time.time() - start_time
logger.info(
f"Processed status effects for {len(affected_players)} players "
f"({damage_dealt} total damage, {deaths} deaths) in {elapsed:.3f}s"
)
# Warn if taking too long (potential scaling issue)
if elapsed > 5.0:
logger.warning(
f"⚠️ Status effects processing took {elapsed:.3f}s (threshold: 5s) "
f"- {len(affected_players)} players affected"
)
except Exception as e:
logger.error(f"Error in status effects processor: {e}")