const $AEItems = Java.loadClass("appeng.core.definitions.AEItems"); const $AEBlocks = Java.loadClass("appeng.core.definitions.AEBlocks"); GTCEuStartupEvents.materialModification(event => { TagPrefix.gem.setIgnored(GTMaterialRegistry.getMaterial("fluix"), $AEItems.FLUIX_CRYSTAL); TagPrefix.gemFlawless.setIgnored(GTMaterialRegistry.getMaterial("fluix")); TagPrefix.gemExquisite.setIgnored(GTMaterialRegistry.getMaterial("fluix")); TagPrefix.block.modifyMaterialAmount(GTMaterials.get("fluix"), 4); TagPrefix.block.setIgnored(GTMaterials.get("fluix"), $AEBlocks.FLUIX_BLOCK.asItem()); });