public static void writeItem(NetOutput out, ItemStack item) throws IOException {
if (item == null) {
out.writeShort(-1);
} else {
out.writeShort(item.getId());
out.writeByte(item.getAmount());
out.writeShort(item.getData());
writeNBT(out, item.getNBT());
}
}
public static void writeEntityMetadata(NetOutput out, EntityMetadata[] metadata)
throws IOException {
for (EntityMetadata meta : metadata) {
int id = MagicValues.value(Integer.class, meta.getType()) << 5 | meta.getId() & 0x1F;
out.writeByte(id);
switch (meta.getType()) {
case BYTE:
out.writeByte((Byte) meta.getValue());
break;
case SHORT:
out.writeShort((Short) meta.getValue());
break;
case INT:
out.writeInt((Integer) meta.getValue());
break;
case FLOAT:
out.writeFloat((Float) meta.getValue());
break;
case STRING:
out.writeString((String) meta.getValue());
break;
case ITEM:
writeItem(out, (ItemStack) meta.getValue());
break;
case POSITION:
Position pos = (Position) meta.getValue();
out.writeInt(pos.getX());
out.writeInt(pos.getY());
out.writeInt(pos.getZ());
break;
case ROTATION:
Rotation rot = (Rotation) meta.getValue();
out.writeFloat(rot.getPitch());
out.writeFloat(rot.getYaw());
out.writeFloat(rot.getRoll());
break;
default:
throw new IOException("Unmapped metadata type: " + meta.getType());
}
}
out.writeByte(127);
}