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Fix relative teleports (#688)

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Heath123 2020-05-29 20:11:38 +01:00 committed by GitHub
parent 3f76ae1d48
commit 5c8f6eb184
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1 changed files with 24 additions and 8 deletions
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32
connector/src/main/java/org/geysermc/connector/network/translators/java/entity/player/JavaPlayerPositionRotationTranslator.java
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@ -25,6 +25,7 @@
package org.geysermc.connector.network.translators.java.entity.player;
import com.github.steveice10.mc.protocol.data.game.entity.player.PositionElement;
import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientTeleportConfirmPacket;
import com.github.steveice10.mc.protocol.packet.ingame.server.entity.player.ServerPlayerPositionRotationPacket;
import com.nukkitx.math.vector.Vector3f;
@ -95,20 +96,35 @@ public class JavaPlayerPositionRotationTranslator extends PacketTranslator<Serve
session.setSpawned(true);
if (!packet.getRelative().isEmpty()) {
session.setTeleportCache(new TeleportCache(packet.getX(), packet.getY(), packet.getZ(), packet.getTeleportId()));
entity.moveRelative(session, packet.getX(), packet.getY() + EntityType.PLAYER.getOffset() + 0.1f, packet.getZ(), packet.getYaw(), packet.getPitch(), true);
} else {
// Ignore certain move correction packets for smoother movement
// These are never relative
if (packet.getRelative().isEmpty()) {
double xDis = Math.abs(entity.getPosition().getX() - packet.getX());
double yDis = entity.getPosition().getY() - packet.getY();
double zDis = Math.abs(entity.getPosition().getZ() - packet.getZ());
if (xDis > 1.5 || (yDis < 1.45 || yDis > (session.isJumping() ? 4.3 : (session.isSprinting() ? 2.5 : 1.9))) || zDis > 1.5) {
session.setTeleportCache(new TeleportCache(packet.getX(), packet.getY(), packet.getZ(), packet.getTeleportId()));
entity.moveAbsolute(session, Vector3f.from(packet.getX(), packet.getY(), packet.getZ()), packet.getYaw(), packet.getPitch(), true, true);
} else {
if (!(xDis > 1.5 || (yDis < 1.45 || yDis > (session.isJumping() ? 4.3 : (session.isSprinting() ? 2.5 : 1.9))) || zDis > 1.5)) {
// Fake confirm the teleport but don't send it to the client
ClientTeleportConfirmPacket teleportConfirmPacket = new ClientTeleportConfirmPacket(packet.getTeleportId());
session.sendDownstreamPacket(teleportConfirmPacket);
return;
}
}
// If coordinates are relative, then add to the existing coordinate
double newX = packet.getX() +
(packet.getRelative().contains(PositionElement.X) ? entity.getPosition().getX() : 0);
double newY = packet.getY() +
(packet.getRelative().contains(PositionElement.Y) ? entity.getPosition().getY() - EntityType.PLAYER.getOffset() : 0);
double newZ = packet.getZ() +
(packet.getRelative().contains(PositionElement.Z) ? entity.getPosition().getZ() : 0);
double newPitch = packet.getPitch() +
(packet.getRelative().contains(PositionElement.PITCH) ? entity.getBedrockRotation().getX() : 0);
double newYaw = packet.getYaw() +
(packet.getRelative().contains(PositionElement.YAW) ? entity.getBedrockRotation().getY() : 0);
session.setTeleportCache(new TeleportCache(newX, newY, newZ, packet.getTeleportId()));
entity.moveAbsolute(session, Vector3f.from(newX, newY, newZ), (float) newYaw, (float) newPitch, true, true);
}
}