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FIX COMBAT: swing_source='attack' required for damage registration

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The Bedrock server requires the animate packet to have
has_swing_source=true and swing_source='attack' for the
inventory_transaction attack to actually deal damage.

Without this, the server accepts the packets silently but
never registers the hit. This was discovered by monitoring
what a real client sends vs what our bot sends.

Confirmed: skeleton took damage 20 → 19 → 18 → 17 HP

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
roberts 2026-03-30 17:05:57 -05:00
parent 195ef2d860
commit 48d968a9d7
1 changed files with 3 additions and 3 deletions
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6
bridge/lib/mineflayer/lib/bedrockPlugins/entities.mts
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@ -504,7 +504,7 @@ export default function inject(bot: BedrockBot) {
});
});
function swingArm(arm = 'right', showHand = true, swingSource?: 'mine' | 'build') {
function swingArm(arm = 'right', showHand = true, swingSource?: 'mine' | 'build' | 'attack') {
//const hand = arm === 'right' ? 0 : 1
const packet: any = {
action_id: 'swing_arm',
@ -572,9 +572,9 @@ export default function inject(bot: BedrockBot) {
const targetEyePos = target.position.offset(0, (target.height || 0) * 0.5, 0);
await bot.lookAt(targetEyePos, true);
}
// On Bedrock, swing arm first then send the attack transaction
// On Bedrock, swing arm with 'attack' source — server requires this to register damage
if (swing) {
bot.swingArm();
bot.swingArm('right', true, 'attack');
}
attackEntity(target);
}