Mirror von
https://github.com/GeyserMC/Geyser.git
synchronisiert 2024-12-24 23:30:22 +01:00
Fix: Bedrock players dying of fall damage, instead of falling in the void (#4704)
* fix https://github.com/GeyserMC/Geyser/issues/4649 * add javadoc
Dieser Commit ist enthalten in:
chris
GitHub
Ursprung
c00a02e5ea
Commit
110470726a
@ -27,15 +27,18 @@ package org.geysermc.geyser.entity.type.player;
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import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
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import lombok.Getter;
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import lombok.Setter;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import org.cloudburstmc.math.vector.Vector3f;
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import org.cloudburstmc.protocol.bedrock.data.AttributeData;
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import org.cloudburstmc.protocol.bedrock.data.entity.EntityDataTypes;
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import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
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import org.cloudburstmc.protocol.bedrock.packet.MovePlayerPacket;
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import org.cloudburstmc.protocol.bedrock.packet.UpdateAttributesPacket;
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import org.geysermc.geyser.entity.attribute.GeyserAttributeType;
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import org.geysermc.geyser.item.Items;
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import org.geysermc.geyser.network.GameProtocol;
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import org.geysermc.geyser.level.BedrockDimension;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.util.AttributeUtils;
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import org.geysermc.geyser.util.DimensionUtils;
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@ -69,6 +72,15 @@ public class SessionPlayerEntity extends PlayerEntity {
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private int lastAirSupply = getMaxAir();
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/**
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* Determines if our position is currently out-of-sync with the Java server
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* due to our workaround for the void floor
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* <p>
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* Must be reset when dying, switching worlds, or being teleported out of the void
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*/
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@Getter @Setter
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private boolean voidPositionDesynched;
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public SessionPlayerEntity(GeyserSession session) {
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super(session, -1, 1, null, Vector3f.ZERO, Vector3f.ZERO, 0, 0, 0, null, null);
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@ -87,10 +99,25 @@ public class SessionPlayerEntity extends PlayerEntity {
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@Override
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public void moveRelative(double relX, double relY, double relZ, float yaw, float pitch, float headYaw, boolean isOnGround) {
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if (voidPositionDesynched) {
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if (!isBelowVoidFloor()) {
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voidPositionDesynched = false; // No need to fix our offset; we've been moved
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}
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}
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super.moveRelative(relX, relY, relZ, yaw, pitch, headYaw, isOnGround);
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session.getCollisionManager().updatePlayerBoundingBox(this.position.down(definition.offset()));
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}
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@Override
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public void moveAbsolute(Vector3f position, float yaw, float pitch, float headYaw, boolean isOnGround, boolean teleported) {
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if (voidPositionDesynched) {
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if (!isBelowVoidFloor()) {
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voidPositionDesynched = false; // No need to fix our offset; we've been moved
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}
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}
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super.moveAbsolute(position, yaw, pitch, headYaw, isOnGround, teleported);
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}
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@Override
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public void setPosition(Vector3f position) {
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if (valid) { // Don't update during session init
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@ -225,6 +252,9 @@ public class SessionPlayerEntity extends PlayerEntity {
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} else {
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dirtyMetadata.put(EntityDataTypes.PLAYER_HAS_DIED, false);
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}
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// We're either respawning or switching worlds, either way, we are no longer desynched
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this.setVoidPositionDesynched(false);
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}
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@Override
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@ -276,4 +306,48 @@ public class SessionPlayerEntity extends PlayerEntity {
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public void resetAir() {
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this.setAirSupply(getMaxAir());
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}
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private boolean isBelowVoidFloor() {
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return position.getY() < voidFloorPosition();
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}
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public int voidFloorPosition() {
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// The void floor is offset about 40 blocks below the bottom of the world
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BedrockDimension bedrockDimension = session.getChunkCache().getBedrockDimension();
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return bedrockDimension.minY() - 40;
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}
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/**
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* This method handles teleporting the player below or above the Bedrock void floor.
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* The Java server should never see this desync as we adjust the position that we send to it
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*
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* @param up in which direction to teleport - true to resync our position, or false to be
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* teleported below the void floor.
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*/
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public void teleportVoidFloorFix(boolean up) {
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// Safety to avoid double teleports
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if ((voidPositionDesynched && !up) || (!voidPositionDesynched && up)) {
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return;
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}
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// Work around there being a floor at the bottom of the world and teleport the player below it
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// Moving from below to above the void floor works fine
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Vector3f newPosition = this.getPosition();
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if (up) {
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newPosition = newPosition.up(4f);
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voidPositionDesynched = false;
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} else {
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newPosition = newPosition.down(4f);
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voidPositionDesynched = true;
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}
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this.setPositionManual(newPosition);
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MovePlayerPacket movePlayerPacket = new MovePlayerPacket();
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movePlayerPacket.setRuntimeEntityId(geyserId);
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movePlayerPacket.setPosition(newPosition);
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movePlayerPacket.setRotation(getBedrockRotation());
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movePlayerPacket.setMode(MovePlayerPacket.Mode.TELEPORT);
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movePlayerPacket.setTeleportationCause(MovePlayerPacket.TeleportationCause.BEHAVIOR);
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session.sendUpstreamPacketImmediately(movePlayerPacket);
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}
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}
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@ -25,20 +25,19 @@
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package org.geysermc.geyser.translator.protocol.bedrock.entity.player;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerPosPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerPosRotPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerRotPacket;
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import org.geysermc.mcprotocollib.network.packet.Packet;
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import org.cloudburstmc.math.vector.Vector3d;
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import org.cloudburstmc.math.vector.Vector3f;
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import org.cloudburstmc.protocol.bedrock.packet.MovePlayerPacket;
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import org.geysermc.geyser.entity.EntityDefinitions;
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import org.geysermc.geyser.entity.type.player.SessionPlayerEntity;
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import org.geysermc.geyser.level.BedrockDimension;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.text.ChatColor;
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import org.geysermc.geyser.translator.protocol.PacketTranslator;
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import org.geysermc.geyser.translator.protocol.Translator;
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import org.geysermc.mcprotocollib.network.packet.Packet;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerPosPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerPosRotPacket;
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import org.geysermc.mcprotocollib.protocol.packet.ingame.serverbound.player.ServerboundMovePlayerRotPacket;
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@Translator(packet = MovePlayerPacket.class)
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public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPacket> {
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@ -93,29 +92,42 @@ public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPack
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Vector3d position = session.getCollisionManager().adjustBedrockPosition(packet.getPosition(), packet.isOnGround(), packet.getMode() == MovePlayerPacket.Mode.TELEPORT);
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if (position != null) { // A null return value cancels the packet
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boolean onGround = packet.isOnGround();
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boolean isBelowVoid = entity.isVoidPositionDesynched();
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boolean teleportThroughVoidFloor;
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boolean teleportThroughVoidFloor, mustResyncPosition;
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// Compare positions here for void floor fix below before the player's position variable is set to the packet position
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if (entity.getPosition().getY() >= packet.getPosition().getY()) {
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if (entity.getPosition().getY() >= packet.getPosition().getY() && !isBelowVoid) {
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int floorY = position.getFloorY();
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// The void floor is offset about 40 blocks below the bottom of the world
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BedrockDimension bedrockDimension = session.getChunkCache().getBedrockDimension();
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int voidFloorLocation = bedrockDimension.minY() - 40;
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teleportThroughVoidFloor = floorY <= (voidFloorLocation + 2) && floorY >= voidFloorLocation;
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if (teleportThroughVoidFloor) {
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// https://github.com/GeyserMC/Geyser/issues/3521 - no void floor in Java so we cannot be on the ground.
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onGround = false;
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}
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int voidFloorLocation = entity.voidFloorPosition();
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teleportThroughVoidFloor = floorY <= (voidFloorLocation + 1) && floorY >= voidFloorLocation;
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} else {
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teleportThroughVoidFloor = false;
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}
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if (teleportThroughVoidFloor || isBelowVoid) {
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// https://github.com/GeyserMC/Geyser/issues/3521 - no void floor in Java so we cannot be on the ground.
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onGround = false;
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}
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if (isBelowVoid) {
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int floorY = position.getFloorY();
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int voidFloorLocation = entity.voidFloorPosition();
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mustResyncPosition = floorY < voidFloorLocation && floorY >= voidFloorLocation - 1;
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} else {
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mustResyncPosition = false;
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}
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double yPosition = position.getY();
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if (entity.isVoidPositionDesynched()) { // not using the cached variable on purpose
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yPosition += 4; // We are de-synched since we had to teleport below the void floor.
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}
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Packet movePacket;
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if (rotationChanged) {
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// Send rotation updates as well
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movePacket = new ServerboundMovePlayerPosRotPacket(
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onGround,
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position.getX(), position.getY(), position.getZ(),
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position.getX(), yPosition, position.getZ(),
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yaw, pitch
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);
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entity.setYaw(yaw);
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@ -123,7 +135,7 @@ public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPack
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entity.setHeadYaw(headYaw);
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} else {
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// Rotation did not change; don't send an update with rotation
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movePacket = new ServerboundMovePlayerPosPacket(onGround, position.getX(), position.getY(), position.getZ());
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movePacket = new ServerboundMovePlayerPosPacket(onGround, position.getX(), yPosition, position.getZ());
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}
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entity.setPositionManual(packet.getPosition());
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@ -133,16 +145,9 @@ public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPack
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session.sendDownstreamGamePacket(movePacket);
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if (teleportThroughVoidFloor) {
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// Work around there being a floor at the bottom of the world and teleport the player below it
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// Moving from below to above the void floor works fine
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entity.setPosition(entity.getPosition().sub(0, 4f, 0));
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MovePlayerPacket movePlayerPacket = new MovePlayerPacket();
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movePlayerPacket.setRuntimeEntityId(entity.getGeyserId());
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movePlayerPacket.setPosition(entity.getPosition());
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movePlayerPacket.setRotation(entity.getBedrockRotation());
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movePlayerPacket.setMode(MovePlayerPacket.Mode.TELEPORT);
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movePlayerPacket.setTeleportationCause(MovePlayerPacket.TeleportationCause.BEHAVIOR);
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session.sendUpstreamPacket(movePlayerPacket);
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entity.teleportVoidFloorFix(false);
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} else if (mustResyncPosition) {
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entity.teleportVoidFloorFix(true);
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}
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session.getSkullCache().updateVisibleSkulls();
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