How to use

ProjectileLauncherNBT

in

slimeknights.tconstruct.library.tools

@Override
public ProjectileLauncherNBT buildTagData(List<Material> materials) {
 ProjectileLauncherNBT data = new ProjectileLauncherNBT();
 HeadMaterialStats head1 = materials.get(0).getStatsOrUnknown(MaterialTypes.HEAD);
 HeadMaterialStats head2 = materials.get(1).getStatsOrUnknown(MaterialTypes.HEAD);
 BowMaterialStats limb1 = materials.get(0).getStatsOrUnknown(MaterialTypes.BOW);
 BowMaterialStats limb2 = materials.get(1).getStatsOrUnknown(MaterialTypes.BOW);
 BowStringMaterialStats bowstring = materials.get(2).getStatsOrUnknown(MaterialTypes.BOWSTRING);
 data.head(head1, head2);
 data.limb(limb1, limb2);
 data.bowstring(bowstring);
 return data;
}

protected ProjectileLauncherNBT getData(ItemStack stack) {
 return ProjectileLauncherNBT.from(stack);
}

@Override
public void applyEffect(NBTTagCompound rootCompound, NBTTagCompound modifierTag) {
 super.applyEffect(rootCompound, modifierTag);
 // add the attack speed boost
 ToolNBT data = TagUtil.getToolStats(rootCompound);
 // apply using the base value of 1.0f, as otherwise this will apply twice on tools with multiple lightweight parts
 data.attackSpeedMultiplier = 1.0f + bonus;
 TagUtil.setToolTag(rootCompound, data.get());
 if(TinkerUtil.hasCategory(rootCompound, Category.LAUNCHER)) {
  ProjectileLauncherNBT launcherData = new ProjectileLauncherNBT(TagUtil.getToolTag(rootCompound));
  launcherData.drawSpeed += launcherData.drawSpeed * bonus;
  TagUtil.setToolTag(rootCompound, launcherData.get());
 }
}

 public static ProjectileLauncherNBT from(ItemStack itemStack) {
  return new ProjectileLauncherNBT(TagUtil.getToolTag(itemStack));
 }
}

@Override
public void applyEffect(NBTTagCompound rootCompound, NBTTagCompound modifierTag) {
 ModifierNBT.IntegerNBT modData = ModifierNBT.readInteger(modifierTag);
 Set<Category> categories = ImmutableSet.copyOf(TagUtil.getCategories(rootCompound));
 boolean harvest = categories.contains(Category.HARVEST);
 boolean weapon = categories.contains(Category.WEAPON);
 boolean launcher = categories.contains(Category.LAUNCHER);
 ToolNBT data = TagUtil.getToolStats(rootCompound);
 int level = modData.current / max;
 // only boost mining speed if we have a harvest tool
 if(harvest) {
  applyHarvestBoost(modData, data, level);
 }
 // attack speed: each total level adds 0.2 to the modifier, though individual redstone piece above the level add 0.004 each
 // so in short: 0.004 per redstone
 if(weapon) {
  data.attackSpeedMultiplier += getSpeedBonus(modData);
 }
 TagUtil.setToolTag(rootCompound, data.get());
 // bow speed:
 if(launcher) {
  ProjectileLauncherNBT launcherData = new ProjectileLauncherNBT(TagUtil.getToolTag(rootCompound));
  launcherData.drawSpeed += launcherData.drawSpeed * getDrawspeedBonus(modData);
  TagUtil.setToolTag(rootCompound, launcherData.get());
 }
}

@Override
public ProjectileLauncherNBT buildTagData(List<Material> materials) {
 ProjectileLauncherNBT data = new ProjectileLauncherNBT();
 HandleMaterialStats body = materials.get(0).getStatsOrUnknown(MaterialTypes.HANDLE);
 ExtraMaterialStats bodyExtra = materials.get(0).getStatsOrUnknown(MaterialTypes.EXTRA);
 HeadMaterialStats head = materials.get(1).getStatsOrUnknown(MaterialTypes.HEAD);
 BowMaterialStats limb = materials.get(1).getStatsOrUnknown(MaterialTypes.BOW);
 ExtraMaterialStats binding = materials.get(2).getStatsOrUnknown(MaterialTypes.EXTRA);
 BowStringMaterialStats bowstring = materials.get(3).getStatsOrUnknown(MaterialTypes.BOWSTRING);
 data.head(head);
 data.limb(limb);
 data.extra(binding, bodyExtra);
 data.handle(body);
 data.bowstring(bowstring);
 data.bonusDamage *= 1.5f;
 return data;
}

public TooltipBuilder addRange() {
 tips.add(BowMaterialStats.formatRange(ProjectileLauncherNBT.from(stack).range));
 return this;
}

 @Override
 public ProjectileLauncherNBT buildTagData(List<Material> materials) {
  ProjectileLauncherNBT data = new ProjectileLauncherNBT();
  HeadMaterialStats head1 = materials.get(0).getStatsOrUnknown(MaterialTypes.HEAD);
  HeadMaterialStats head2 = materials.get(1).getStatsOrUnknown(MaterialTypes.HEAD);
  BowMaterialStats limb1 = materials.get(0).getStatsOrUnknown(MaterialTypes.BOW);
  BowMaterialStats limb2 = materials.get(1).getStatsOrUnknown(MaterialTypes.BOW);
  ExtraMaterialStats grip = materials.get(2).getStatsOrUnknown(MaterialTypes.EXTRA);
  BowStringMaterialStats bowstring = materials.get(3).getStatsOrUnknown(MaterialTypes.BOWSTRING);

  data.head(head1, head2);
  data.limb(limb1, limb2);
  data.extra(grip);
  data.bowstring(bowstring);

  data.durability *= DURABILITY_MODIFIER;

  return data;
 }
}

protected float getDrawbackProgress(ItemStack itemStack, int timePassed) {
 float drawProgress = ProjectileLauncherNBT.from(itemStack).drawSpeed * (float) timePassed;
 return Math.min(1f, drawProgress / (float) getDrawTime());
}

public TooltipBuilder addProjectileBonusDamage() {
 tips.add(BowMaterialStats.formatDamage(ProjectileLauncherNBT.from(stack).bonusDamage));
 return this;
}

public TooltipBuilder addDrawSpeed() {
 float speed = ProjectileLauncherNBT.from(stack).drawSpeed;
 // convert speed per tick to seconds drawtime
 if(stack.getItem() instanceof BowCore) {
  speed = (float)((BowCore) stack.getItem()).getDrawTime()/(20f * speed);
 }
 tips.add(BowMaterialStats.formatDrawspeed(speed));
 return this;
}

@Override
public void modifyProjectileAttributes(Multimap<String, AttributeModifier> projectileAttributes, @Nullable ItemStack launcher, ItemStack projectile, float power) {
 double dmg = baseProjectileDamage() * power;
 dmg += ProjectileLauncherNBT.from(launcher).bonusDamage;
 if(dmg != 0) {
  projectileAttributes.put(SharedMonsterAttributes.ATTACK_DAMAGE.getName(), new AttributeModifier(LAUNCHER_BONUS_DAMAGE, "Launcher bonus damage", dmg, 0));
 }
 if(projectileDamageModifier() != 0f) {
  projectileAttributes.put(SharedMonsterAttributes.ATTACK_DAMAGE.getName(), new AttributeModifier(LAUNCHER_DAMAGE_MODIFIER, "Launcher damage modifier", projectileDamageModifier() - 1f, 1));
 }
}

public void shootProjectile(@Nonnull ItemStack ammoIn, @Nonnull ItemStack bow, World worldIn, EntityPlayer player, int useTime) {
 float progress = getDrawbackProgress(bow, useTime);
 float power = ItemBow.getArrowVelocity((int)(progress * 20f)) * progress * baseProjectileSpeed();
 power *= ProjectileLauncherNBT.from(bow).range;