Examples with ItemStack net.minecraft.world.item.ItemStack used on opensource projects

Example 61 with ItemStack

use of net.minecraft.world.item.ItemStack in project SpongeCommon by SpongePowered.

the class InventoryEventFactory method callInventoryPickupEvent.

public static ItemStack callInventoryPickupEvent(final Container inventory, final ItemEntity item, final ItemStack stack) {
    try (final CauseStackManager.StackFrame frame = PhaseTracker.getCauseStackManager().pushCauseFrame()) {
        frame.pushCause(inventory);
        final ItemStackSnapshot snapshot = ItemStackUtil.snapshotOf(stack);
        final ChangeInventoryEvent.Pickup.Pre event = SpongeEventFactory.createChangeInventoryEventPickupPre(frame.currentCause(), Optional.empty(), Collections.singletonList(snapshot), (Inventory) inventory, (Item) item, snapshot);
        SpongeCommon.post(event);
        if (event.isCancelled()) {
            return stack;
        }
        final int size = inventory.getContainerSize();
        final ItemStack[] prevInventory = new ItemStack[size];
        for (int i = 0; i < size; i++) {
            prevInventory[i] = inventory.getItem(i);
        }
        if (event.custom().isPresent()) {
            if (event.custom().get().isEmpty()) {
                return ItemStack.EMPTY;
            }
            boolean fullTransfer = true;
            for (final ItemStackSnapshot snap : event.custom().get()) {
                final ItemStack stackToAdd = ItemStackUtil.fromSnapshotToNative(snap);
                final ItemStack remaining = HopperBlockEntity.addItem(null, inventory, stackToAdd, null);
                if (!remaining.isEmpty()) {
                    fullTransfer = false;
                    break;
                }
            }
            if (!fullTransfer) {
                for (int i = 0; i < prevInventory.length; i++) {
                    inventory.setItem(i, prevInventory[i]);
                }
                return stack;
            }
            if (InventoryEventFactory.callInventoryPickupEvent(inventory, prevInventory)) {
                return ItemStack.EMPTY;
            }
            return stack;
        } else {
            final ItemStack remainder = HopperBlockEntity.addItem(null, inventory, stack, null);
            if (InventoryEventFactory.callInventoryPickupEvent(inventory, prevInventory)) {
                return remainder;
            }
            return stack;
        }
    }
}

Example 62 with ItemStack

use of net.minecraft.world.item.ItemStack in project SpongeCommon by SpongePowered.

the class InventoryEventFactory method generateTransactions.

private static List<SlotTransaction> generateTransactions(@Nullable final Inventory inv, final Container inventory, final ItemStack[] previous) {
    if (inv == null) {
        return Collections.emptyList();
    }
    final List<SlotTransaction> trans = new ArrayList<>();
    List<org.spongepowered.api.item.inventory.Slot> slots = inv.slots();
    for (int i = 0; i < inventory.getContainerSize(); i++) {
        final org.spongepowered.api.item.inventory.Slot slot = slots.get(i);
        final ItemStack newStack = inventory.getItem(i);
        final ItemStack prevStack = previous[i];
        if (!ItemStack.matches(newStack, prevStack)) {
            trans.add(new SlotTransaction(slot, ItemStackUtil.snapshotOf(prevStack), ItemStackUtil.snapshotOf(newStack)));
        }
    }
    return trans;
}

Example 63 with ItemStack

use of net.minecraft.world.item.ItemStack in project SpongeCommon by SpongePowered.

the class SpongeStonecuttingRecipeSerializer method fromJson.

@SuppressWarnings("unchecked")
@Override
public R fromJson(ResourceLocation recipeId, JsonObject json) {
    final String group = GsonHelper.getAsString(json, Constants.Recipe.GROUP, "");
    final Ingredient ingredient = IngredientUtil.spongeDeserialize(json.get(Constants.Recipe.STONECUTTING_INGREDIENT));
    final Function<Container, ItemStack> resultFunction = IngredientResultUtil.deserializeResultFunction(json);
    final ItemStack spongeStack = IngredientResultUtil.deserializeItemStack(json.getAsJsonObject(Constants.Recipe.SPONGE_RESULT));
    if (spongeStack != null) {
        return (R) new SpongeStonecuttingRecipe(recipeId, group, ingredient, spongeStack, resultFunction);
    }
    final String type = GsonHelper.getAsString(json, Constants.Recipe.RESULT);
    final int count = GsonHelper.getAsInt(json, Constants.Recipe.COUNT);
    final ItemStack itemstack = new ItemStack(Registry.ITEM.get(new ResourceLocation(type)), count);
    return (R) new SpongeStonecuttingRecipe(recipeId, group, ingredient, itemstack, resultFunction);
}

Example 64 with ItemStack

use of net.minecraft.world.item.ItemStack in project SpongeCommon by SpongePowered.

the class FireworkUtil method removeFireworkEffects.

public static boolean removeFireworkEffects(final Object object) {
    final ItemStack item = FireworkUtil.getItem(object);
    if (item.isEmpty()) {
        return false;
    }
    if (item.getItem() == Items.FIREWORK_STAR) {
        @Nullable final CompoundTag tag = item.getTag();
        if (tag == null) {
            return true;
        }
        tag.remove(Constants.Entity.Firework.EXPLOSION);
        return true;
    } else if (item.getItem() == Items.FIREWORK_ROCKET) {
        final CompoundTag fireworks = item.getOrCreateTagElement(Constants.Item.Fireworks.FIREWORKS);
        fireworks.remove(Constants.Item.Fireworks.EXPLOSIONS);
        return true;
    }
    return false;
}

Example 65 with ItemStack

use of net.minecraft.world.item.ItemStack in project SpongeCommon by SpongePowered.

the class FireworkUtil method getFireworkEffects.

public static Optional<List<FireworkEffect>> getFireworkEffects(final Object object) {
    final ItemStack item = FireworkUtil.getItem(object);
    if (item.isEmpty()) {
        return Optional.empty();
    }
    final List<FireworkEffect> effects;
    if (item.getItem() == Items.FIREWORK_ROCKET) {
        @Nullable final CompoundTag fireworks = item.getTagElement(Constants.Item.Fireworks.FIREWORKS);
        if (fireworks == null || !fireworks.contains(Constants.Item.Fireworks.EXPLOSIONS)) {
            return Optional.empty();
        }
        final ListTag effectCompounds = fireworks.getList(Constants.Item.Fireworks.EXPLOSIONS, Constants.NBT.TAG_COMPOUND);
        effects = NBTStreams.toCompounds(effectCompounds).map(FireworkUtil::fromCompound).collect(Collectors.toList());
    } else {
        @Nullable final FireworkEffect effect = FireworkUtil.getStarEffect(item);
        if (effect == null) {
            return Optional.empty();
        }
        effects = ImmutableList.of(effect);
    }
    return Optional.of(effects);
}