How to use

SwordCore

in

slimeknights.tconstruct.library.tools

public SwordCore(PartMaterialType... requiredComponents) {
 super(requiredComponents);
 // extended compatibility
 setHarvestLevel("sword", 0);
}

@Override
public boolean dealDamage(ItemStack stack, EntityLivingBase player, Entity entity, float damage) {
 // deal damage first
 boolean hit = super.dealDamage(stack, player, entity, damage);
 // and then sweep
 if(hit && !ToolHelper.isBroken(stack)) {
  // sweep code from EntityPlayer#attackTargetEntityWithCurrentItem()
  // basically: no crit, no sprinting and has to stand on the ground for sweep. Also has to move regularly slowly
  double d0 = (double) (player.distanceWalkedModified - player.prevDistanceWalkedModified);
  boolean flag = true;
  if(player instanceof EntityPlayer) {
   flag = ((EntityPlayer) player).getCooledAttackStrength(0.5F) > 0.9f;
  }
  boolean flag2 = player.fallDistance > 0.0F && !player.onGround && !player.isOnLadder() && !player.isInWater() && !player.isPotionActive(MobEffects.BLINDNESS) && !player.isRiding();
  if(flag && !player.isSprinting() && !flag2 && player.onGround && d0 < (double) player.getAIMoveSpeed()) {
   for(EntityLivingBase entitylivingbase : player.getEntityWorld().getEntitiesWithinAABB(EntityLivingBase.class, entity.getEntityBoundingBox().expand(1.0D, 0.25D, 1.0D))) {
    if(entitylivingbase != player && entitylivingbase != entity && !player.isOnSameTeam(entitylivingbase) && player.getDistanceSqToEntity(entitylivingbase) < 9.0D) {
     entitylivingbase.knockBack(player, 0.4F, (double) MathHelper.sin(player.rotationYaw * 0.017453292F), (double) (-MathHelper.cos(player.rotationYaw * 0.017453292F)));
     super.dealDamage(stack, player, entitylivingbase, 1f);
    }
   }
   player.getEntityWorld().playSound(null, player.posX, player.posY, player.posZ, SoundEvents.ENTITY_PLAYER_ATTACK_SWEEP, player.getSoundCategory(), 1.0F, 1.0F);
   if(player instanceof EntityPlayer) {
    ((EntityPlayer) player).spawnSweepParticles();
   }
  }
 }
 return hit;
}

 @Override
 public void addMaterialTraits(NBTTagCompound root, List<Material> materials) {
  super.addMaterialTraits(root, materials);

  // beheading "trait", 2 level -> 2 applications
  ModBeheading.CLEAVER_BEHEADING_MOD.apply(root);
  ModBeheading.CLEAVER_BEHEADING_MOD.apply(root);
 }
}

@Override
public boolean dealDamage(ItemStack stack, EntityLivingBase player, Entity entity, float damage) {
 boolean hit = super.dealDamage(stack, player, entity, damage);
 // cleaver slash particle
 if(hit && readyForSpecialAttack(player)) {
  TinkerTools.proxy.spawnAttackParticle(Particles.CLEAVER_ATTACK, player, 0.85d);
 }
 return hit;
}

@Override
public boolean dealDamage(ItemStack stack, EntityLivingBase player, Entity entity, float damage) {
 boolean hit = super.dealDamage(stack, player, entity, damage);
 // slash particle
 if(hit && readyForSpecialAttack(player)) {
  TinkerTools.proxy.spawnAttackParticle(Particles.LONGSWORD_ATTACK, player, 0.7d);
 }
 return hit;
}