GeyserMC/Geyser
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Prevent errors from simply being swallowed

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This commit is contained in:
Camotoy 2021-12-05 19:03:47 -05:00
parent 1d713cb34c
commit e954d091b9
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GPG key ID: 7EEFB66FE798081F
4 changed files with 45 additions and 22 deletions
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7
core/src/main/java/org/geysermc/geyser/entity/type/LivingEntity.java
View file

@ -255,9 +255,14 @@ public class LivingEntity extends Entity {
if (javaAttribute.getType() instanceof AttributeType.Builtin type) {
switch (type) {
case GENERIC_MAX_HEALTH -> {
this.maxHealth = (float) AttributeUtils.calculateValue(javaAttribute);
float maxHealth = (float) AttributeUtils.calculateValue(javaAttribute);
if (this.maxHealth != maxHealth) {
// Helps prnt respawn bugs where the player respawns twice
// Because we re-sent the health attribute as 0
this.maxHealth = maxHealth;
newAttributes.add(createHealthAttribute());
}
}
case GENERIC_ATTACK_DAMAGE -> newAttributes.add(calculateAttribute(javaAttribute, GeyserAttributeType.ATTACK_DAMAGE));
case GENERIC_FLYING_SPEED -> newAttributes.add(calculateAttribute(javaAttribute, GeyserAttributeType.FLYING_SPEED));
case GENERIC_MOVEMENT_SPEED -> newAttributes.add(calculateAttribute(javaAttribute, GeyserAttributeType.MOVEMENT_SPEED));

19
core/src/main/java/org/geysermc/geyser/network/ConnectorServerEventHandler.java
View file

@ -165,19 +165,32 @@ public class ConnectorServerEventHandler implements BedrockServerEventHandler {
}
@Override
public void onSessionCreation(BedrockServerSession bedrockServerSession) {
public void onSessionCreation(@Nonnull BedrockServerSession bedrockServerSession) {
try {
bedrockServerSession.setPacketCodec(MinecraftProtocol.DEFAULT_BEDROCK_CODEC);
bedrockServerSession.setLogging(true);
bedrockServerSession.setCompressionLevel(geyser.getConfig().getBedrock().getCompressionLevel());
bedrockServerSession.setPacketHandler(new UpstreamPacketHandler(geyser, new GeyserSession(geyser, bedrockServerSession, eventLoopGroup.next())));
// Set the packet codec to default just in case we need to send disconnect packets.
bedrockServerSession.setPacketCodec(MinecraftProtocol.DEFAULT_BEDROCK_CODEC);
} catch (Throwable e) {
// Error must be caught or it will be swallowed
geyser.getLogger().error("Error occurred while initializing player!", e);
bedrockServerSession.disconnect(e.getMessage());
}
}
@Override
public void onUnhandledDatagram(@Nonnull ChannelHandlerContext ctx, DatagramPacket packet) {
public void onUnhandledDatagram(@Nonnull ChannelHandlerContext ctx, @Nonnull DatagramPacket packet) {
try {
ByteBuf content = packet.content();
if (QueryPacketHandler.isQueryPacket(content)) {
new QueryPacketHandler(geyser, packet.sender(), content);
}
} catch (Throwable e) {
// Error must be caught or it will be swallowed
if (geyser.getConfig().isDebugMode()) {
geyser.getLogger().error("Error occurred during unhandled datagram!", e);
}
}
}
}

5
core/src/main/java/org/geysermc/geyser/network/UpstreamPacketHandler.java
View file

@ -91,6 +91,11 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
LoginEncryptionUtils.encryptPlayerConnection(session, loginPacket);
if (session.isClosed()) {
// Can happen if Xbox validation fails
return true;
}
PlayStatusPacket playStatus = new PlayStatusPacket();
playStatus.setStatus(PlayStatusPacket.Status.LOGIN_SUCCESS);
session.sendUpstreamPacket(playStatus);

20
core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/BedrockActionTranslator.java
View file

@ -40,16 +40,14 @@ import org.geysermc.geyser.entity.type.Entity;
import org.geysermc.geyser.entity.type.ItemFrameEntity;
import org.geysermc.geyser.entity.type.player.SessionPlayerEntity;
import org.geysermc.geyser.inventory.PlayerInventory;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.protocol.PacketTranslator;
import org.geysermc.geyser.translator.protocol.Translator;
import org.geysermc.geyser.level.block.BlockStateValues;
import org.geysermc.geyser.registry.BlockRegistries;
import org.geysermc.geyser.registry.type.ItemMapping;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.protocol.PacketTranslator;
import org.geysermc.geyser.translator.protocol.Translator;
import org.geysermc.geyser.util.BlockUtils;
import java.util.ArrayList;
@Translator(packet = PlayerActionPacket.class)
public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket> {
@ -63,7 +61,6 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
}
Vector3i vector = packet.getBlockPosition();
Position position = new Position(vector.getX(), vector.getY(), vector.getZ());
switch (packet.getAction()) {
case RESPAWN:
@ -76,7 +73,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
// Resend attributes or else in rare cases the user can think they're not dead when they are, upon joining the server
UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();
attributesPacket.setRuntimeEntityId(entity.getGeyserId());
attributesPacket.setAttributes(new ArrayList<>(entity.getAttributes().values()));
attributesPacket.getAttributes().addAll(entity.getAttributes().values());
session.sendUpstreamPacket(attributesPacket);
break;
case START_SWIMMING:
@ -147,6 +144,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
session.setSprinting(false);
break;
case DROP_ITEM:
Position position = new Position(vector.getX(), vector.getY(), vector.getZ());
ServerboundPlayerActionPacket dropItemPacket = new ServerboundPlayerActionPacket(PlayerAction.DROP_ITEM, position, Direction.VALUES[packet.getFace()]);
session.sendDownstreamPacket(dropItemPacket);
break;
@ -176,7 +174,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
}
// Account for fire - the client likes to hit the block behind.
Vector3i fireBlockPos = BlockUtils.getBlockPosition(packet.getBlockPosition(), packet.getFace());
Vector3i fireBlockPos = BlockUtils.getBlockPosition(vector, packet.getFace());
int blockUp = session.getGeyser().getWorldManager().getBlockAt(session, fireBlockPos);
String identifier = BlockRegistries.JAVA_IDENTIFIERS.get().get(blockUp);
if (identifier.startsWith("minecraft:fire") || identifier.startsWith("minecraft:soul_fire")) {
@ -188,6 +186,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
}
}
position = new Position(vector.getX(), vector.getY(), vector.getZ());
ServerboundPlayerActionPacket startBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.START_DIGGING, position, Direction.VALUES[packet.getFace()]);
session.sendDownstreamPacket(startBreakingPacket);
break;
@ -214,7 +213,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
if (session.getGameMode() != GameMode.CREATIVE) {
// As of 1.16.210: item frame items are taken out here.
// Survival also sends START_BREAK, but by attaching our process here adventure mode also works
Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, vector);
if (itemFrameEntity != null) {
ServerboundInteractPacket interactPacket = new ServerboundInteractPacket((int) itemFrameEntity.getEntityId(),
InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
@ -223,6 +222,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
}
}
position = new Position(vector.getX(), vector.getY(), vector.getZ());
ServerboundPlayerActionPacket abortBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.CANCEL_DIGGING, position, Direction.DOWN);
session.sendDownstreamPacket(abortBreakingPacket);
LevelEventPacket stopBreak = new LevelEventPacket();
@ -243,7 +243,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
attributesPacket = new UpdateAttributesPacket();
attributesPacket.setRuntimeEntityId(entity.getGeyserId());
attributesPacket.setAttributes(new ArrayList<>(entity.getAttributes().values()));
attributesPacket.getAttributes().addAll(entity.getAttributes().values());
session.sendUpstreamPacket(attributesPacket);
session.getEntityCache().updateBossBars();