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Fix #3521

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Camotoy 2023-01-31 13:01:20 -05:00
parent 29f234d030
commit c909b2b1a5
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GPG key ID: 7EEFB66FE798081F
1 changed files with 32 additions and 23 deletions
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35
core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/BedrockMovePlayerTranslator.java
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@ -92,11 +92,29 @@ public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPack
if (isValidMove(session, entity.getPosition(), packet.getPosition())) { if (isValidMove(session, entity.getPosition(), packet.getPosition())) {
Vector3d position = session.getCollisionManager().adjustBedrockPosition(packet.getPosition(), packet.isOnGround(), packet.getMode() == MovePlayerPacket.Mode.TELEPORT); Vector3d position = session.getCollisionManager().adjustBedrockPosition(packet.getPosition(), packet.isOnGround(), packet.getMode() == MovePlayerPacket.Mode.TELEPORT);
if (position != null) { // A null return value cancels the packet if (position != null) { // A null return value cancels the packet
boolean onGround = packet.isOnGround();
boolean teleportThroughVoidFloor;
// Compare positions here for void floor fix below before the player's position variable is set to the packet position
if (entity.getPosition().getY() >= packet.getPosition().getY()) {
int floorY = position.getFloorY();
// The void floor is offset about 40 blocks below the bottom of the world
BedrockDimension bedrockDimension = session.getChunkCache().getBedrockDimension();
int voidFloorLocation = bedrockDimension.minY() - 40;
teleportThroughVoidFloor = floorY <= (voidFloorLocation + 2) && floorY >= voidFloorLocation;
if (teleportThroughVoidFloor) {
// https://github.com/GeyserMC/Geyser/issues/3521 - no void floor in Java so we cannot be on the ground.
onGround = false;
}
} else {
teleportThroughVoidFloor = false;
}
Packet movePacket; Packet movePacket;
if (rotationChanged) { if (rotationChanged) {
// Send rotation updates as well // Send rotation updates as well
movePacket = new ServerboundMovePlayerPosRotPacket( movePacket = new ServerboundMovePlayerPosRotPacket(
packet.isOnGround(), onGround,
position.getX(), position.getY(), position.getZ(), position.getX(), position.getY(), position.getZ(),
yaw, pitch yaw, pitch
); );
@ -105,24 +123,16 @@ public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPack
entity.setHeadYaw(headYaw); entity.setHeadYaw(headYaw);
} else { } else {
// Rotation did not change; don't send an update with rotation // Rotation did not change; don't send an update with rotation
movePacket = new ServerboundMovePlayerPosPacket(packet.isOnGround(), position.getX(), position.getY(), position.getZ()); movePacket = new ServerboundMovePlayerPosPacket(onGround, position.getX(), position.getY(), position.getZ());
} }
// Compare positions here for void floor fix below before the player's position variable is set to the packet position
boolean notMovingUp = entity.getPosition().getY() >= packet.getPosition().getY();
entity.setPositionManual(packet.getPosition()); entity.setPositionManual(packet.getPosition());
entity.setOnGround(packet.isOnGround()); entity.setOnGround(onGround);
// Send final movement changes // Send final movement changes
session.sendDownstreamPacket(movePacket); session.sendDownstreamPacket(movePacket);
if (notMovingUp) { if (teleportThroughVoidFloor) {
int floorY = position.getFloorY();
// The void floor is offset about 40 blocks below the bottom of the world
BedrockDimension bedrockDimension = session.getChunkCache().getBedrockDimension();
int voidFloorLocation = bedrockDimension.minY() - 40;
if (floorY <= (voidFloorLocation + 2) && floorY >= voidFloorLocation) {
// Work around there being a floor at the bottom of the world and teleport the player below it // Work around there being a floor at the bottom of the world and teleport the player below it
// Moving from below to above the void floor works fine // Moving from below to above the void floor works fine
entity.setPosition(entity.getPosition().sub(0, 4f, 0)); entity.setPosition(entity.getPosition().sub(0, 4f, 0));
@ -134,7 +144,6 @@ public class BedrockMovePlayerTranslator extends PacketTranslator<MovePlayerPack
movePlayerPacket.setTeleportationCause(MovePlayerPacket.TeleportationCause.BEHAVIOR); movePlayerPacket.setTeleportationCause(MovePlayerPacket.TeleportationCause.BEHAVIOR);
session.sendUpstreamPacket(movePlayerPacket); session.sendUpstreamPacket(movePlayerPacket);
} }
}
session.getSkullCache().updateVisibleSkulls(); session.getSkullCache().updateVisibleSkulls();
} }