var TileEntityFurnace = Java.type("net.minecraft.tileentity.TileEntityFurnace"); var getSupportedPrefixes = function() { return ['Furnace']; } var worksWith = function(tileEntity, side) { return tileEntity instanceof TileEntityFurnace; }; var addScanData = function(scanData, tileEntityFurnace, side) { scanData.add("Furnace.IsBurning", tileEntityFurnace.isBurning()); };