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Code Issues Releases Activity

fix(bukkit): 阻止发送仅服务端实体包

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This commit is contained in:
jhqwqmc
2025-04-02 16:24:18 +08:00
parent 1279597a1a
commit 73f77aacde
3 changed files with 78 additions and 0 deletions
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3
bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/BukkitNetworkManager.java
View File

@@ -134,6 +134,9 @@ public class BukkitNetworkManager implements NetworkManager, Listener, PluginMes
registerNMSPacketConsumer(PacketConsumers.REMOVE_ENTITY, Reflections.clazz$ClientboundRemoveEntitiesPacket);
registerNMSPacketConsumer(PacketConsumers.SYNC_ENTITY_POSITION, Reflections.clazz$ClientboundEntityPositionSyncPacket);
registerNMSPacketConsumer(PacketConsumers.MOVE_ENTITY, Reflections.clazz$ClientboundMoveEntityPacket$Pos);
registerNMSPacketConsumer(PacketConsumers.MOVE_AND_ROTATION_ENTITY, Reflections.clazz$ClientboundMoveEntityPacket$PosRot);
registerNMSPacketConsumer(PacketConsumers.ROTATE_HEAD, Reflections.clazz$ClientboundRotateHeadPacket);
registerNMSPacketConsumer(PacketConsumers.SET_ENTITY_MOTION, Reflections.clazz$ClientboundSetEntityMotionPacket);
registerNMSPacketConsumer(PacketConsumers.PICK_ITEM_FROM_ENTITY, Reflections.clazz$ServerboundPickItemFromEntityPacket);
registerNMSPacketConsumer(PacketConsumers.SOUND, Reflections.clazz$ClientboundSoundPacket);
registerNMSPacketConsumer(PacketConsumers.RENAME_ITEM, Reflections.clazz$ServerboundRenameItemPacket);

42
bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
View File

@@ -666,6 +666,48 @@ public class PacketConsumers {
}
};
public static final TriConsumer<NetWorkUser, NMSPacketEvent, Object> MOVE_AND_ROTATION_ENTITY = (user, event, packet) -> {
try {
int entityId = (int) Reflections.field$ClientboundMoveEntityPacket$entityId.get(packet);
if (BukkitFurnitureManager.instance().isFurnitureBaseEntity(entityId)) {
event.setCancelled(true);
}
if (BukkitFurnitureManager.instance().isFurnitureCollisionEntity(entityId)) {
event.setCancelled(true);
}
} catch (Exception e) {
CraftEngine.instance().logger().warn("Failed to handle ClientboundMoveEntityPacket$PosRot", e);
}
};
public static final TriConsumer<NetWorkUser, NMSPacketEvent, Object> ROTATE_HEAD = (user, event, packet) -> {
try {
int entityId = (int) Reflections.field$ClientboundRotateHeadPacket$entityId.get(packet);
if (BukkitFurnitureManager.instance().isFurnitureBaseEntity(entityId)) {
event.setCancelled(true);
}
if (BukkitFurnitureManager.instance().isFurnitureCollisionEntity(entityId)) {
event.setCancelled(true);
}
} catch (Exception e) {
CraftEngine.instance().logger().warn("Failed to handle ClientboundRotateHeadPacket", e);
}
};
public static final TriConsumer<NetWorkUser, NMSPacketEvent, Object> SET_ENTITY_MOTION = (user, event, packet) -> {
try {
int entityId = (int) Reflections.field$ClientboundSetEntityMotionPacket$id.get(packet);
if (BukkitFurnitureManager.instance().isFurnitureBaseEntity(entityId)) {
event.setCancelled(true);
}
if (BukkitFurnitureManager.instance().isFurnitureCollisionEntity(entityId)) {
event.setCancelled(true);
}
} catch (Exception e) {
CraftEngine.instance().logger().warn("Failed to handle ClientboundSetEntityMotionPacket", e);
}
};
public static final TriConsumer<NetWorkUser, NMSPacketEvent, Object> REMOVE_ENTITY = (user, event, packet) -> {
try {
IntList intList = (IntList) Reflections.field$ClientboundRemoveEntitiesPacket$entityIds.get(packet);

33
bukkit/src/main/java/net/momirealms/craftengine/bukkit/util/Reflections.java
View File

@@ -5930,4 +5930,37 @@ public class Reflections {
? ReflectionUtils.getMethod(clazz$Entity, int.class, new String[]{"af"})
: ReflectionUtils.getMethod(clazz$Entity, int.class, new String[]{"getId", "aj", "ah", "af"})
);
public static final Class<?> clazz$ClientboundMoveEntityPacket$PosRot = requireNonNull(
ReflectionUtils.getClazz(
BukkitReflectionUtils.assembleMCClass("network.protocol.game.ClientboundMoveEntityPacket$PosRot"),
BukkitReflectionUtils.assembleMCClass("network.protocol.game.PacketPlayOutEntity$PacketPlayOutRelEntityMoveLook")
)
);
public static final Class<?> clazz$ClientboundRotateHeadPacket = requireNonNull(
ReflectionUtils.getClazz(
BukkitReflectionUtils.assembleMCClass("network.protocol.game.ClientboundRotateHeadPacket"),
BukkitReflectionUtils.assembleMCClass("network.protocol.game.PacketPlayOutEntityHeadRotation")
)
);
public static final Field field$ClientboundRotateHeadPacket$entityId = requireNonNull(
ReflectionUtils.getDeclaredField(
clazz$ClientboundRotateHeadPacket, int.class, 0
)
);
public static final Class<?> clazz$ClientboundSetEntityMotionPacket = requireNonNull(
ReflectionUtils.getClazz(
BukkitReflectionUtils.assembleMCClass("network.protocol.game.ClientboundSetEntityMotionPacket"),
BukkitReflectionUtils.assembleMCClass("network.protocol.game.PacketPlayOutEntityVelocity")
)
);
public static final Field field$ClientboundSetEntityMotionPacket$id = requireNonNull(
ReflectionUtils.getDeclaredField(
clazz$ClientboundSetEntityMotionPacket, int.class, 0
)
);
}