How to use

hasCategory

method

in

slimeknights.tconstruct.library.tools.ToolCore

@Override
protected boolean canApplyCustom(ItemStack stack) throws TinkerGuiException {
 return !((ToolCore) stack.getItem()).hasCategory(Category.NO_MELEE);
}

/**
 * Called when an entity is getting damaged with the tool.
 * Reduce the tools durability accordingly
 * player can be null!
 */
public void reduceDurabilityOnHit(ItemStack stack, EntityPlayer player, float damage) {
 damage = Math.max(1f, damage / 10f);
 if(!hasCategory(Category.WEAPON)) {
  damage *= 2;
 }
 ToolHelper.damageTool(stack, (int) damage, player);
}

public List<String> getInformation(ItemStack stack, boolean detailed) {
 TooltipBuilder info = new TooltipBuilder(stack);
 info.addDurability(!detailed);
 if(hasCategory(Category.HARVEST)) {
  info.addHarvestLevel();
  info.addMiningSpeed();
 }
 if(hasCategory(Category.LAUNCHER)) {
  info.addDrawSpeed();
  info.addRange();
  info.addProjectileBonusDamage();
 }
 info.addAttack();
 if(ToolHelper.getFreeModifiers(stack) > 0) {
  info.addFreeModifiers();
 }
 if(detailed) {
  info.addModifierInfo();
 }
 return info.getTooltip();
}

return hasCategory(Category.TOOL);

if (tool.hasCategory(Category.HARVEST)) {
  out.put("miningSpeed", ToolHelper.getActualMiningSpeed(stack));