Java Code Examples for net.minecraft.init.Items#potionitem()

public ItemStack getCurrentDisguise() {
    if(transparent) {
        return new ItemStack(Items.potionitem, 1, POTION_METAS[(int)((System.currentTimeMillis() / 1000) % POTION_METAS.length)]);
    }

    Random random = new Random(System.currentTimeMillis() / 1000);
    int first = getRecipeInput(random);
    int firstPos = EntityLiving.getArmorPosition(armorItems[first]);

    int next;
    do {
        next = random.nextInt(armorItems.length);
    }
    while (next == first || EntityLiving.getArmorPosition(armorItems[next]) != firstPos || !canSee(armorItems[next]));
    return armorItems[next];
}
 

@Override
public ItemStack getCraftingResult(InventoryCrafting invCrafting){
    ItemStack potion = null;
    ItemStack ammo = null;
    for(int i = 0; i < invCrafting.getSizeInventory(); i++) {
        ItemStack stack = invCrafting.getStackInSlot(i);
        if(stack != null) {
            if(stack.getItem() == Items.potionitem) {
                potion = stack;
            } else {
                ammo = stack;
            }
        }
    }
    ammo = ammo.copy();
    ItemGunAmmo.setPotion(ammo, potion);
    return ammo;
}
 

public static ItemStack disguiseStack(ItemStack stack, ItemStack disguise) {
    ItemStack out = stack.copy();
    NBTTagCompound compound = NBTHelper.getPersistentData(out);
    if(disguise.getItem() == Items.potionitem) {
        compound.setBoolean("disguise", true);
    } else {
        compound.setTag("disguise", disguise.writeToNBT(new NBTTagCompound()));
    }
    return out;
}
 

private boolean isInvisItem(ItemStack disguise) {
    if(disguise.getItem() == Items.potionitem) {
        List effects = Items.potionitem.getEffects(disguise);
        for(Object obj : effects) {
            if(obj instanceof PotionEffect) {
                if(((PotionEffect)obj).getPotionID() == Potion.invisibility.getId()) {
                    return true;
                }
            }
        }
    }
    return false;
}
 

private boolean canBrew() {
	if (fuel > 0 && inventory[3] != null && inventory[3].stackSize > 0) {
		ItemStack itemstack = inventory[3];

		if (!itemstack.getItem().isPotionIngredient(itemstack))
			return false;
		else if (itemstack.getItem() == ModItems.dragon_breath) {
			for (int i = 0; i < 3; i++)
				if (inventory[i] != null && inventory[i].getItem() == Items.potionitem)
					if (ItemPotion.isSplash(inventory[i].getItemDamage()))
						return true;
			return false;
		} else {
			boolean flag = false;

			for (int i = 0; i < 3; i++)
				if (inventory[i] != null && inventory[i].getItem() instanceof ItemPotion) {
					int j = inventory[i].getItemDamage();
					int k = applyIngredient(j, itemstack);

					if (!ItemPotion.isSplash(j) && ItemPotion.isSplash(k)) {
						flag = true;
						break;
					}

					List<?> list = Items.potionitem.getEffects(j);
					List<?> list1 = Items.potionitem.getEffects(k);

					if ((j <= 0 || list != list1) && (list == null || !list.equals(list1) && list1 != null) && j != k) {
						flag = true;
						break;
					}
				}

			return flag;
		}
	} else
		return false;
}
 

@Override
public boolean matches(InventoryCrafting invCrafting, World world){
    int itemCount = 0;
    boolean foundPotion = false;
    boolean foundAmmo = false;
    for(int i = 0; i < invCrafting.getSizeInventory(); i++) {
        ItemStack stack = invCrafting.getStackInSlot(i);
        if(stack != null) {
            itemCount++;
            if(stack.getItem() == Items.potionitem) foundPotion = true;
            if(stack.getItem() == Itemss.gunAmmo) foundAmmo = true;
        }
    }
    return foundPotion && foundAmmo && itemCount == 2;
}
 

public NEIBrewingRecipe(ItemStack ingred, int basePotionID, int resultDamage) {
    input = new PositionedStack(new ItemStack(Items.potionitem, 1, basePotionID), 51, 35);
    output = new PositionedStack(new ItemStack(Items.potionitem, 1, resultDamage), 97, 35);
    ingredient = new PositionedStack(ingred, 74, 6);
}
 

private void updateDestination(){
    doneTurning = false;
    // take dispenser upgrade in account
    double payloadFrictionY = 0.98D;// this value will differ when a
                                    // dispenser upgrade is inserted.
    double payloadFrictionX = 0.98D;
    double payloadGravity = 0.04D;
    if(getUpgrades(ItemMachineUpgrade.UPGRADE_ENTITY_TRACKER) > 0) {
        payloadFrictionY = 0.98D;
        payloadFrictionX = 0.91D;
        payloadGravity = 0.08D;
    } else if(getUpgrades(ItemMachineUpgrade.UPGRADE_DISPENSER_DAMAGE, getUpgradeSlots()) > 0 && inventory[0] != null) {// if
        // there
        // is
        // a
        // dispenser
        // upgrade
        // inserted.
        Item item = inventory[0].getItem();
        if(item == Items.potionitem || item == Items.experience_bottle || item == Items.egg || item == Items.snowball) {// EntityThrowable
            payloadFrictionY = 0.99D;
            payloadGravity = 0.03D;
        } else if(item == Items.arrow) {
            payloadFrictionY = 0.99D;
            payloadGravity = 0.05D;
        } else if(item == Items.minecart || item == Items.chest_minecart || item == Items.hopper_minecart || item == Items.tnt_minecart || item == Items.furnace_minecart) {
            payloadFrictionY = 0.95D;
        }
        // else if(itemID == Item.fireballCharge.itemID){
        // payloadGravity = 0.0D;
        // }

        // family items (throwable) which only differ in gravity.
        if(item == Items.potionitem) payloadGravity = 0.05D;
        else if(item == Items.experience_bottle) payloadGravity = 0.07D;

        payloadFrictionX = payloadFrictionY;

        // items which have different frictions for each axis.
        if(item == Items.boat) {
            payloadFrictionX = 0.99D;
            payloadFrictionY = 0.95D;
        }
        if(item == Items.spawn_egg) {
            payloadFrictionY = 0.98D;
            payloadFrictionX = 0.91D;
            payloadGravity = 0.08D;
        }
    }

    // calculate the heading.
    double deltaX = gpsX - xCoord;
    double deltaZ = gpsZ - zCoord;
    float calculatedRotationAngle;
    if(deltaX >= 0 && deltaZ < 0) {
        calculatedRotationAngle = (float)(Math.atan(Math.abs(deltaX / deltaZ)) / Math.PI * 180D);
    } else if(deltaX >= 0 && deltaZ >= 0) {
        calculatedRotationAngle = (float)(Math.atan(Math.abs(deltaZ / deltaX)) / Math.PI * 180D) + 90;
    } else if(deltaX < 0 && deltaZ >= 0) {
        calculatedRotationAngle = (float)(Math.atan(Math.abs(deltaX / deltaZ)) / Math.PI * 180D) + 180;
    } else {
        calculatedRotationAngle = (float)(Math.atan(Math.abs(deltaZ / deltaX)) / Math.PI * 180D) + 270;
    }

    // calculate the height angle.
    double distance = Math.sqrt(deltaX * deltaX + deltaZ * deltaZ);
    double deltaY = gpsY - yCoord;
    float calculatedHeightAngle = calculateBestHeightAngle(distance, deltaY, getForce(), payloadGravity, payloadFrictionX, payloadFrictionY);

    setTargetAngles(calculatedRotationAngle, calculatedHeightAngle);
}