@Override public Entity getEntityById(int id) { synchronized (entities) { for (Entity entity : entities) if (id == entity.getId()) return entity; return null; } }
@EventHandler public void onPacketProcess(PacketProcessEvent event) { Packet packet = event.getPacket(); if (packet instanceof Packet5PlayerInventory) { Packet5PlayerInventory inventoryPacket = (Packet5PlayerInventory) packet; Entity entity = getEntityById(inventoryPacket.entityID); if (entity == null || !(entity instanceof LivingEntity)) return; LivingEntity livingEntity = (LivingEntity) entity; livingEntity.setWornItemAt(inventoryPacket.slot, inventoryPacket.item); } else if (packet instanceof Packet8UpdateHealth) { Packet8UpdateHealth updateHealthPacket = (Packet8UpdateHealth) packet; MainPlayerEntity player = bot.getPlayer(); player.setHealth(updateHealthPacket.healthMP); player.setHunger(updateHealthPacket.food); } else if (packet instanceof Packet9Respawn) { synchronized (chunks) { chunks.clear(); } } else if (packet instanceof Packet20NamedEntitySpawn) { Packet20NamedEntitySpawn spawnPacket = (Packet20NamedEntitySpawn) packet; PlayerEntity entity = new PlayerEntity(this, spawnPacket.entityId, spawnPacket.name); entity.setX(spawnPacket.xPosition / 32D); entity.setY(spawnPacket.yPosition / 32D); entity.setZ(spawnPacket.zPosition / 32D); entity.setYaw(spawnPacket.rotation); entity.setPitch(spawnPacket.pitch); entity.setWornItemAt(0, new BasicItemStack(spawnPacket.currentItem, 1, 0)); spawnEntity(entity); } else if (packet instanceof Packet21PickupSpawn) { Packet21PickupSpawn spawnPacket = (Packet21PickupSpawn) packet; ItemEntity entity = new ItemEntity(this, spawnPacket.entityId, spawnPacket.item); entity.setX(spawnPacket.xPosition / 32D); entity.setY(spawnPacket.yPosition / 32D); entity.setZ(spawnPacket.zPosition / 32D); spawnEntity(entity); } else if (packet instanceof Packet22Collect) { Entity entity = getEntityById(((Packet22Collect) packet).collectedEntityId); if (entity != null) despawnEntity(entity); } else if (packet instanceof Packet23VehicleSpawn) { Packet23VehicleSpawn spawnPacket = (Packet23VehicleSpawn) packet; Entity entity = null; Class<? extends Entity> entityClass = EntityList.getObjectEntityClass(spawnPacket.type); if (entityClass == null) return; try { Constructor<? extends Entity> constructor = entityClass.getConstructor(World.class, Integer.TYPE); entity = constructor.newInstance(this, spawnPacket.entityId); } catch (Exception exception) { exception.printStackTrace(); return; } entity.setX(spawnPacket.xPosition / 32D); entity.setY(spawnPacket.yPosition / 32D); entity.setZ(spawnPacket.zPosition / 32D); entity.setYaw(0); entity.setPitch(0); spawnEntity(entity); } else if (packet instanceof Packet24MobSpawn) { Packet24MobSpawn mobSpawnPacket = (Packet24MobSpawn) packet; LivingEntity entity = null; Class<? extends LivingEntity> entityClass = EntityList.getLivingEntityClass(mobSpawnPacket.type); if (entityClass == null) return; try { Constructor<? extends LivingEntity> constructor = entityClass.getConstructor(World.class, Integer.TYPE); entity = constructor.newInstance(this, mobSpawnPacket.entityId); } catch (Exception exception) { exception.printStackTrace(); return; } entity.setX(mobSpawnPacket.xPosition / 32D); entity.setY(mobSpawnPacket.yPosition / 32D); entity.setZ(mobSpawnPacket.zPosition / 32D); entity.setYaw((mobSpawnPacket.yaw * 360) / 256F); entity.setPitch((mobSpawnPacket.pitch * 360) / 256F); entity.setHeadYaw((mobSpawnPacket.headYaw * 360) / 256F); if (mobSpawnPacket.getMetadata() != null) entity.updateMetadata(mobSpawnPacket.getMetadata()); spawnEntity(entity); } else if (packet instanceof Packet25EntityPainting) { Packet25EntityPainting paintingPacket = (Packet25EntityPainting) packet; PaintingEntity entity = new PaintingEntity( this, paintingPacket.entityId, ArtType.getArtTypeByName(paintingPacket.title)); entity.setX(paintingPacket.xPosition); entity.setY(paintingPacket.yPosition); entity.setZ(paintingPacket.zPosition); entity.setDirection(paintingPacket.direction); spawnEntity(entity); } else if (packet instanceof Packet26EntityExpOrb) { } else if (packet instanceof Packet29DestroyEntity) { Packet29DestroyEntity destroyEntityPacket = (Packet29DestroyEntity) packet; for (int id : destroyEntityPacket.entityIds) { Entity entity = getEntityById(id); if (entity != null) { despawnEntity(entity); entity.setDead(true); } } } else if (packet instanceof Packet30Entity) { Packet30Entity entityPacket = (Packet30Entity) packet; Entity entity = getEntityById(entityPacket.entityId); if (entity == null) return; entity.setX(entity.getX() + (entityPacket.xPosition / 32D)); entity.setY(entity.getY() + (entityPacket.yPosition / 32D)); entity.setZ(entity.getZ() + (entityPacket.zPosition / 32D)); if (packet instanceof Packet31RelEntityMove || packet instanceof Packet33RelEntityMoveLook) { entity.setYaw((entityPacket.yaw * 360) / 256F); entity.setPitch((entityPacket.pitch * 360) / 256F); } } else if (packet instanceof Packet34EntityTeleport) { Packet34EntityTeleport teleportPacket = (Packet34EntityTeleport) packet; Entity entity = getEntityById(teleportPacket.entityId); if (entity == null) return; entity.setX(teleportPacket.xPosition / 32D); entity.setY(teleportPacket.yPosition / 32D); entity.setZ(teleportPacket.zPosition / 32D); entity.setYaw((teleportPacket.yaw * 360) / 256F); entity.setPitch((teleportPacket.pitch * 360) / 256F); } else if (packet instanceof Packet35EntityHeadRotation) { Packet35EntityHeadRotation headRotatePacket = (Packet35EntityHeadRotation) packet; Entity entity = getEntityById(headRotatePacket.entityId); if (entity == null || !(entity instanceof LivingEntity)) return; ((LivingEntity) entity).setHeadYaw((headRotatePacket.headRotationYaw * 360) / 256F); } else if (packet instanceof Packet39AttachEntity) { Packet39AttachEntity attachEntityPacket = (Packet39AttachEntity) packet; Entity rider = getEntityById(attachEntityPacket.entityId); if (rider == null) return; Entity riding = null; if (attachEntityPacket.vehicleEntityId == -1) { if (rider.getRiding() != null) { rider.getRiding().setRider(null); rider.setRiding(null); } } else { riding = getEntityById(attachEntityPacket.vehicleEntityId); if (riding == null) return; rider.setRiding(riding); riding.setRider(rider); } } else if (packet instanceof Packet40EntityMetadata) { Packet40EntityMetadata metadataPacket = (Packet40EntityMetadata) packet; Entity entity = getEntityById(metadataPacket.entityId); if (entity == null) return; entity.updateMetadata(metadataPacket.getMetadata()); } else if (packet instanceof Packet43Experience) { Packet43Experience experiencePacket = (Packet43Experience) packet; MainPlayerEntity player = bot.getPlayer(); player.setExperienceLevel(experiencePacket.experienceLevel); player.setExperienceTotal(experiencePacket.experienceTotal); } else if (packet instanceof Packet51MapChunk) { if (bot.isMovementDisabled()) return; Packet51MapChunk mapChunkPacket = (Packet51MapChunk) packet; processChunk( mapChunkPacket.x, mapChunkPacket.z, mapChunkPacket.chunkData, mapChunkPacket.bitmask, mapChunkPacket.additionalBitmask, true, mapChunkPacket.biomes); } else if (packet instanceof Packet52MultiBlockChange) { Packet52MultiBlockChange multiBlockChangePacket = (Packet52MultiBlockChange) packet; if (multiBlockChangePacket.metadataArray == null) return; DataInputStream datainputstream = new DataInputStream(new ByteArrayInputStream(multiBlockChangePacket.metadataArray)); try { for (int i = 0; i < multiBlockChangePacket.size; i++) { short word0 = datainputstream.readShort(); short word1 = datainputstream.readShort(); int id = (word1 & 0xfff) >> 4; int metadata = word1 & 0xf; int x = word0 >> 12 & 0xf; int z = word0 >> 8 & 0xf; int y = word0 & 0xff; setBlockIdAt( id, (multiBlockChangePacket.xPosition * 16) + x, y, (multiBlockChangePacket.zPosition * 16) + z); setBlockMetadataAt( metadata, (multiBlockChangePacket.xPosition * 16) + x, y, (multiBlockChangePacket.zPosition * 16) + z); } } catch (IOException exception) { exception.printStackTrace(); } } else if (packet instanceof Packet53BlockChange) { Packet53BlockChange blockChangePacket = (Packet53BlockChange) packet; setBlockIdAt( blockChangePacket.type, blockChangePacket.xPosition, blockChangePacket.yPosition, blockChangePacket.zPosition); setBlockMetadataAt( blockChangePacket.metadata, blockChangePacket.xPosition, blockChangePacket.yPosition, blockChangePacket.zPosition); } else if (packet instanceof Packet56MapChunks) { if (bot.isMovementDisabled()) return; Packet56MapChunks chunkPacket = (Packet56MapChunks) packet; for (int i = 0; i < chunkPacket.primaryBitmap.length; i++) processChunk( chunkPacket.chunkX[i], chunkPacket.chunkZ[i], chunkPacket.chunkData[i], chunkPacket.primaryBitmap[i], chunkPacket.secondaryBitmap[i], chunkPacket.skylight, true); } }