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Handle pitch/yaw->data item frame rotation change in 1.16.4->1.17 (#4064)

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See https://github.com/ViaVersion/ViaBackwards/pull/848
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EnZaXD 2024-08-07 13:02:51 +02:00 committed by GitHub
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commit aa22ca1d56
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common/src/main/java/com/viaversion/viaversion/protocols/v1_16_4to1_17/rewriter/EntityPacketRewriter1_17.java
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@ -48,6 +48,30 @@ public final class EntityPacketRewriter1_17 extends EntityRewriter<ClientboundPa
registerTracker(ClientboundPackets1_16_2.ADD_PLAYER, EntityTypes1_17.PLAYER);
registerSetEntityData(ClientboundPackets1_16_2.SET_ENTITY_DATA, Types1_16.ENTITY_DATA_LIST, Types1_17.ENTITY_DATA_LIST);
protocol.appendClientbound(ClientboundPackets1_16_2.ADD_ENTITY, wrapper -> {
final int entityType = wrapper.get(Types.VAR_INT, 1);
if (entityType != EntityTypes1_17.ITEM_FRAME.getId()) {
return;
}
// Older clients will ignore the data field and the server sets the item frame rotation by the yaw/pitch field inside the packet,
// newer clients do the opposite and ignore yaw/pitch and use the data field from the packet.
final int entityId = wrapper.get(Types.VAR_INT, 0);
final byte pitch = wrapper.get(Types.BYTE, 0);
final byte yaw = wrapper.get(Types.BYTE, 1);
final PacketWrapper setDirection = PacketWrapper.create(ClientboundPackets1_17.MOVE_ENTITY_ROT, wrapper.user());
setDirection.write(Types.VAR_INT, entityId);
setDirection.write(Types.BYTE, yaw);
setDirection.write(Types.BYTE, pitch);
setDirection.write(Types.BOOLEAN, false); // On Ground
wrapper.send(Protocol1_16_4To1_17.class);
wrapper.cancel();
setDirection.send(Protocol1_16_4To1_17.class);
});
protocol.registerClientbound(ClientboundPackets1_16_2.REMOVE_ENTITIES, null, wrapper -> {
int[] entityIds = wrapper.read(Types.VAR_INT_ARRAY_PRIMITIVE);
wrapper.cancel();