Examples with CauseStack org.lanternpowered.server.event.CauseStack used on opensource projects

Example 36 with CauseStack

use of org.lanternpowered.server.event.CauseStack in project LanternServer by LanternPowered.

the class LanternItem method tryToPickupItems.

private void tryToPickupItems() {
    final Set<Entity> entities = getWorld().getIntersectingEntities(getBoundingBox().get().expand(2.0, 0.5, 2.0), entity -> entity != this && entity instanceof Carrier);
    if (entities.isEmpty()) {
        return;
    }
    ItemStack itemStack = get(Keys.REPRESENTED_ITEM).map(ItemStackSnapshot::createStack).orElse(null);
    if (itemStack == null) {
        remove();
        return;
    }
    // TODO: Call pre pickup event
    for (Entity entity : entities) {
        // Ignore dead entities
        if (entity instanceof LanternLiving && ((LanternLiving) entity).isDead()) {
            continue;
        }
        Inventory inventory = ((Carrier) entity).getInventory();
        if (inventory instanceof PlayerInventory) {
            inventory = ((PlayerInventory) inventory).getMain();
        }
        final PeekedOfferTransactionResult peekResult = ((IInventory) inventory).peekOffer(itemStack);
        final ItemStack rejected = peekResult.getRejectedItem().orElse(null);
        final CauseStack causeStack = CauseStack.current();
        final ChangeInventoryEvent.Pickup event;
        try (CauseStack.Frame frame = causeStack.pushCauseFrame()) {
            frame.addContext(LanternEventContextKeys.ORIGINAL_ITEM_STACK, itemStack);
            if (rejected != null) {
                frame.addContext(LanternEventContextKeys.REST_ITEM_STACK, rejected);
            }
            event = SpongeEventFactory.createChangeInventoryEventPickup(causeStack.getCurrentCause(), inventory, peekResult.getTransactions());
            event.setCancelled(!peekResult.isSuccess());
            Sponge.getEventManager().post(event);
        }
        if (event.isCancelled() && !isRemoved()) {
            // Don't continue if the entity was removed during the event
            continue;
        }
        event.getTransactions().stream().filter(Transaction::isValid).forEach(transaction -> transaction.getSlot().set(transaction.getFinal().createStack()));
        final int added;
        if (rejected != null) {
            added = itemStack.getQuantity() - rejected.getQuantity();
            itemStack = rejected;
        } else {
            added = itemStack.getQuantity();
        }
        if (added != 0 && entity instanceof Living) {
            triggerEvent(new CollectEntityEvent((Living) entity, added));
        }
        if (rejected == null || isRemoved()) {
            itemStack = null;
        }
        if (itemStack == null) {
            break;
        }
    }
    if (itemStack != null) {
        offer(Keys.REPRESENTED_ITEM, itemStack.createSnapshot());
    } else {
        remove();
    }
}

Example 37 with CauseStack

use of org.lanternpowered.server.event.CauseStack in project LanternServer by LanternPowered.

the class LanternLiving method handleDeath.

private void handleDeath() {
    // have already been thrown.
    if (getWorld() == null) {
        setDead(true);
    }
    if (isDead()) {
        return;
    }
    setDead(true);
    final CauseStack causeStack = CauseStack.current();
    // Only players can keep their inventory
    final boolean keepsInventory = this instanceof LanternPlayer && getWorld().getOrCreateRule(RuleTypes.KEEP_INVENTORY).getValue();
    // Post the entity destruction event
    final DestructEntityEvent.Death event = SpongeEventFactory.createDestructEntityEventDeath(causeStack.getCurrentCause(), MessageChannel.TO_NONE, Optional.empty(), new MessageEvent.MessageFormatter(), this, keepsInventory, false);
    postDestructEvent(event);
    try (CauseStack.Frame frame = causeStack.pushCauseFrame()) {
        // Add the destruct event to the cause, this can be used
        // to track the cause of the entity death.
        frame.pushCause(event);
        // Post the harvest event
        handleDeath(causeStack);
    }
    // Clear the inventory, if keepsInventory is false in the thrown Death event
    if (!event.getKeepInventory() && this instanceof Carrier) {
        ((Carrier) this).getInventory().clear();
    }
}

Example 38 with CauseStack

use of org.lanternpowered.server.event.CauseStack in project LanternServer by LanternPowered.

the class VanillaContainerInteractionBehavior method handleShiftClick.

@Override
public void handleShiftClick(ClientContainer clientContainer, ClientSlot clientSlot, MouseButton mouseButton) {
    final LanternPlayer player = clientContainer.getPlayer();
    if (player != this.container.getPlayerInventory().getCarrier().orElse(null) || !(clientSlot instanceof ClientSlot.Slot) || mouseButton == MouseButton.MIDDLE) {
        return;
    }
    final AbstractInventorySlot slot = ((ClientSlot.Slot) clientSlot).getSlot();
    final ItemStack itemStack = slot.peek().orElse(null);
    final Transaction<ItemStackSnapshot> cursorTransaction;
    final List<SlotTransaction> transactions = new ArrayList<>();
    if (slot instanceof CraftingOutput) {
        final ItemStackSnapshot cursorItem = LanternItemStack.toSnapshot(getCursorItem());
        cursorTransaction = new Transaction<>(cursorItem, cursorItem);
        final AbstractInventory parent = slot.parent();
        if (parent instanceof CraftingInventory) {
            final CraftingInventory inventory = (CraftingInventory) parent;
            final Optional<ExtendedCraftingResult> optResult = Lantern.getRegistry().getCraftingRecipeRegistry().getExtendedResult(inventory.getCraftingGrid(), player.getWorld());
            if (optResult.isPresent()) {
                final ExtendedCraftingResult result = optResult.get();
                final ItemStackSnapshot resultItem = result.getResult().getResult();
                int times = result.getMaxTimes();
                final ItemStack itemStack1 = resultItem.createStack();
                itemStack1.setQuantity(times * itemStack1.getQuantity());
                final AbstractInventory targetInventory = this.container.getPlayerInventory().getView(LanternPlayerInventory.View.REVERSE_MAIN_AND_HOTBAR);
                PeekedOfferTransactionResult peekResult = targetInventory.peekOffer(itemStack1);
                if (peekResult.isSuccess()) {
                    transactions.add(new SlotTransaction(slot, resultItem, ItemStackSnapshot.NONE));
                    final ItemStack rejectedItem = peekResult.getRejectedItem().orElse(null);
                    if (rejectedItem != null) {
                        final int added = itemStack1.getQuantity() - rejectedItem.getQuantity();
                        times = added / resultItem.getQuantity();
                        final int diff = added % resultItem.getQuantity();
                        if (diff != 0) {
                            itemStack1.setQuantity(resultItem.getQuantity() * times);
                            peekResult = targetInventory.peekOffer(itemStack1);
                            checkState(peekResult.isSuccess());
                        }
                    }
                    transactions.addAll(peekResult.getTransactions());
                    updateCraftingGrid(player, inventory, result.getMatrixResult(times), transactions);
                }
            } else {
                // No actual transaction, there shouldn't have been a item in the crafting result slot
                transactions.add(new SlotTransaction(slot, ItemStackSnapshot.NONE, ItemStackSnapshot.NONE));
            }
        } else {
            Lantern.getLogger().warn("Found a CraftingOutput slot without a CraftingInventory as parent.");
            return;
        }
    } else {
        final ItemStackSnapshot cursorItem = LanternItemStack.toSnapshot(getCursorItem());
        cursorTransaction = new Transaction<>(cursorItem, cursorItem);
        if (itemStack != null) {
            final IInventory target = this.container.getOpenInventory().getShiftClickBehavior().getTarget(this.container, slot);
            final PeekedOfferTransactionResult result = target.peekOffer(itemStack.copy());
            if (result.isSuccess()) {
                transactions.addAll(result.getTransactions());
                final ItemStack rejectedItem = result.getRejectedItem().orElse(null);
                if (rejectedItem != null) {
                    slot.peekPoll(itemStack.getQuantity() - rejectedItem.getQuantity(), stack -> true).ifPresent(peekResult -> transactions.addAll(peekResult.getTransactions()));
                } else {
                    slot.peekPoll(stack -> true).ifPresent(peekResult -> transactions.addAll(peekResult.getTransactions()));
                }
            }
        }
    }
    final List<SlotTransaction> transactions1 = this.container.transformSlots(transactions);
    final CauseStack causeStack = CauseStack.current();
    final ClickInventoryEvent.Shift event;
    if (mouseButton == MouseButton.LEFT) {
        event = SpongeEventFactory.createClickInventoryEventShiftPrimary(causeStack.getCurrentCause(), cursorTransaction, this.container, transactions1);
    } else {
        event = SpongeEventFactory.createClickInventoryEventShiftSecondary(causeStack.getCurrentCause(), cursorTransaction, this.container, transactions1);
    }
    finishInventoryEvent(event);
}

Example 39 with CauseStack

use of org.lanternpowered.server.event.CauseStack in project LanternServer by LanternPowered.

the class VanillaContainerInteractionBehavior method handleClick.

@Override
public void handleClick(ClientContainer clientContainer, @Nullable ClientSlot clientSlot, MouseButton mouseButton) {
    final LanternPlayer player = clientContainer.getPlayer();
    if (player != this.container.getPlayerInventory().getCarrier().orElse(null) || (clientSlot != null && !(clientSlot instanceof ClientSlot.Slot))) {
        return;
    }
    final CauseStack causeStack = CauseStack.current();
    if (clientSlot == null) {
        causeStack.addContext(EventContextKeys.SPAWN_TYPE, SpawnTypes.DROPPED_ITEM);
        final List<Entity> entities = new ArrayList<>();
        final Transaction<ItemStackSnapshot> cursorTransaction;
        // Clicking outside the container
        ItemStackSnapshot oldItem = ItemStackSnapshot.NONE;
        ItemStackSnapshot newItem = ItemStackSnapshot.NONE;
        if (getCursorItem() != null) {
            oldItem = getCursorItem().createSnapshot();
            final ItemStackSnapshot droppedItem;
            if (mouseButton != MouseButton.LEFT) {
                final ItemStack stack = getCursorItem().copy();
                stack.setQuantity(stack.getQuantity() - 1);
                newItem = LanternItemStack.toSnapshot(stack);
                stack.setQuantity(1);
                droppedItem = LanternItemStack.toSnapshot(stack);
            } else {
                droppedItem = oldItem;
            }
            LanternEventHelper.handlePreDroppedItemSpawning(player.getTransform(), droppedItem).ifPresent(entities::add);
        }
        cursorTransaction = new Transaction<>(oldItem, newItem);
        final ClickInventoryEvent.Drop event;
        if (mouseButton == MouseButton.LEFT) {
            event = SpongeEventFactory.createClickInventoryEventDropOutsidePrimary(causeStack.getCurrentCause(), cursorTransaction, entities, this.container, new ArrayList<>());
        } else {
            event = SpongeEventFactory.createClickInventoryEventDropOutsideSecondary(causeStack.getCurrentCause(), cursorTransaction, entities, this.container, new ArrayList<>());
        }
        finishInventoryEvent(event);
        return;
    }
    // Clicking inside the container
    final AbstractSlot slot = ((ClientSlot.Slot) clientSlot).getSlot();
    if (mouseButton == MouseButton.MIDDLE) {
        final ItemStackSnapshot oldItem = LanternItemStack.toSnapshot(getCursorItem());
        Transaction<ItemStackSnapshot> cursorTransaction = null;
        final Optional<GameMode> gameMode = player.get(Keys.GAME_MODE);
        if (gameMode.isPresent() && gameMode.get().equals(GameModes.CREATIVE) && getCursorItem() == null) {
            final ItemStack stack = slot.peek().orElse(null);
            if (stack != null) {
                stack.setQuantity(stack.getMaxStackQuantity());
                cursorTransaction = new Transaction<>(oldItem, stack.createSnapshot());
            }
        }
        if (cursorTransaction == null) {
            cursorTransaction = new Transaction<>(oldItem, oldItem);
        }
        final ClickInventoryEvent.Middle event = SpongeEventFactory.createClickInventoryEventMiddle(causeStack.getCurrentCause(), cursorTransaction, this.container, new ArrayList<>());
        finishInventoryEvent(event);
    } else {
        // Crafting slots have special click behavior
        if (slot instanceof CraftingOutput) {
            List<SlotTransaction> transactions = new ArrayList<>();
            Transaction<ItemStackSnapshot> cursorTransaction;
            final AbstractInventory parent = slot.parent();
            if (parent instanceof CraftingInventory) {
                ClickInventoryEvent event;
                final CraftingInventory inventory = (CraftingInventory) parent;
                final Optional<ExtendedCraftingResult> optResult = Lantern.getRegistry().getCraftingRecipeRegistry().getExtendedResult(inventory.getCraftingGrid(), player.getWorld());
                final ItemStackSnapshot originalCursorItem = LanternItemStack.toSnapshot(getCursorItem());
                if (optResult.isPresent()) {
                    final CraftingResult result = optResult.get().getResult();
                    final ItemStackSnapshot resultItem = result.getResult();
                    int quantity = -1;
                    if (getCursorItem() == null) {
                        quantity = resultItem.getQuantity();
                    } else if (LanternItemStack.areSimilar(resultItem.createStack(), getCursorItem())) {
                        final int quantity1 = resultItem.getQuantity() + getCursorItem().getQuantity();
                        if (quantity1 < getCursorItem().getMaxStackQuantity()) {
                            quantity = quantity1;
                        }
                    }
                    if (quantity == -1) {
                        cursorTransaction = new Transaction<>(originalCursorItem, originalCursorItem);
                        transactions.add(new SlotTransaction(slot, resultItem, resultItem));
                    } else {
                        final LanternItemStack itemStack = (LanternItemStack) resultItem.createStack();
                        itemStack.setQuantity(quantity);
                        cursorTransaction = new Transaction<>(originalCursorItem, itemStack.createSnapshot());
                        transactions.add(new SlotTransaction(slot, resultItem, ItemStackSnapshot.NONE));
                        updateCraftingGrid(player, inventory, optResult.get().getMatrixResult(1), transactions);
                    }
                } else {
                    cursorTransaction = new Transaction<>(originalCursorItem, originalCursorItem);
                    // No actual transaction, there shouldn't have been a item in the crafting result slot
                    transactions.add(new SlotTransaction(slot, ItemStackSnapshot.NONE, ItemStackSnapshot.NONE));
                }
                transactions = this.container.transformSlots(transactions);
                if (mouseButton == MouseButton.LEFT) {
                    event = SpongeEventFactory.createClickInventoryEventPrimary(causeStack.getCurrentCause(), cursorTransaction, this.container, transactions);
                } else {
                    event = SpongeEventFactory.createClickInventoryEventSecondary(causeStack.getCurrentCause(), cursorTransaction, this.container, transactions);
                }
                finishInventoryEvent(event);
                return;
            } else {
                Lantern.getLogger().warn("Found a CraftingOutput slot without a CraftingInventory as parent.");
            }
        }
        ClickInventoryEvent event;
        if (mouseButton == MouseButton.LEFT) {
            final List<SlotTransaction> transactions = new ArrayList<>();
            Transaction<ItemStackSnapshot> cursorTransaction = null;
            if (getCursorItem() != null && !(slot instanceof OutputSlot)) {
                final PeekedOfferTransactionResult result = slot.peekOffer(getCursorItem());
                if (result.isSuccess()) {
                    transactions.addAll(result.getTransactions());
                    cursorTransaction = new Transaction<>(getCursorItem().createSnapshot(), LanternItemStack.toSnapshot(result.getRejectedItem().orElse(null)));
                } else {
                    final PeekedSetTransactionResult result1 = slot.peekSet(getCursorItem());
                    if (result1.isSuccess()) {
                        cursorTransaction = new Transaction<>(getCursorItem().createSnapshot(), LanternItemStack.toSnapshot(result1.getReplacedItem().orElse(null)));
                        transactions.addAll(result1.getTransactions());
                    }
                }
            } else if (getCursorItem() == null) {
                final PeekedPollTransactionResult result = slot.peekPoll(stack -> true).orElse(null);
                if (result != null) {
                    cursorTransaction = new Transaction<>(ItemStackSnapshot.NONE, LanternItemStack.toSnapshot(result.getPolledItem()));
                    transactions.addAll(result.getTransactions());
                } else {
                    cursorTransaction = new Transaction<>(ItemStackSnapshot.NONE, ItemStackSnapshot.NONE);
                }
            }
            if (cursorTransaction == null) {
                final ItemStackSnapshot cursorItem = LanternItemStack.toSnapshot(getCursorItem());
                cursorTransaction = new Transaction<>(cursorItem, cursorItem);
            }
            event = SpongeEventFactory.createClickInventoryEventPrimary(causeStack.getCurrentCause(), cursorTransaction, this.container, this.container.transformSlots(transactions));
        } else {
            final List<SlotTransaction> transactions = new ArrayList<>();
            Transaction<ItemStackSnapshot> cursorTransaction = null;
            if (getCursorItem() == null) {
                int stackSize = slot.getStackSize();
                if (stackSize != 0) {
                    stackSize = stackSize - (stackSize / 2);
                    final PeekedPollTransactionResult result = slot.peekPoll(stackSize, stack -> true).get();
                    transactions.addAll(result.getTransactions());
                    cursorTransaction = new Transaction<>(ItemStackSnapshot.NONE, result.getPolledItem().createSnapshot());
                }
            } else {
                final ItemStack itemStack = getCursorItem().copy();
                itemStack.setQuantity(1);
                final PeekedOfferTransactionResult result = slot.peekOffer(itemStack);
                if (result.isSuccess()) {
                    final ItemStackSnapshot oldCursor = getCursorItem().createSnapshot();
                    int quantity = getCursorItem().getQuantity() - 1;
                    if (quantity <= 0) {
                        cursorTransaction = new Transaction<>(oldCursor, ItemStackSnapshot.NONE);
                    } else {
                        final ItemStack newCursorItem = getCursorItem().copy();
                        newCursorItem.setQuantity(quantity);
                        cursorTransaction = new Transaction<>(oldCursor, newCursorItem.createSnapshot());
                    }
                    transactions.addAll(result.getTransactions());
                } else {
                    final PeekedSetTransactionResult result1 = slot.peekSet(getCursorItem());
                    if (result1.isSuccess()) {
                        final ItemStack replacedItem = result1.getReplacedItem().orElse(null);
                        if (replacedItem != null) {
                            setCursorItem(replacedItem);
                            cursorTransaction = new Transaction<>(getCursorItem().createSnapshot(), LanternItemStack.toSnapshot(replacedItem));
                        } else {
                            cursorTransaction = new Transaction<>(getCursorItem().createSnapshot(), ItemStackSnapshot.NONE);
                        }
                        transactions.addAll(result1.getTransactions());
                    }
                }
            }
            if (cursorTransaction == null) {
                final ItemStackSnapshot cursorItem = LanternItemStack.toSnapshot(getCursorItem());
                cursorTransaction = new Transaction<>(cursorItem, cursorItem);
            }
            event = SpongeEventFactory.createClickInventoryEventSecondary(causeStack.getCurrentCause(), cursorTransaction, this.container, this.container.transformSlots(transactions));
        }
        finishInventoryEvent(event);
    }
}

Example 40 with CauseStack

use of org.lanternpowered.server.event.CauseStack in project LanternServer by LanternPowered.

the class VanillaContainerInteractionBehavior method handleDropKey.

@Override
public void handleDropKey(ClientContainer clientContainer, ClientSlot clientSlot, boolean ctrl) {
    final LanternPlayer player = clientContainer.getPlayer();
    if (player != this.container.getPlayerInventory().getCarrier().orElse(null) || !(clientSlot instanceof ClientSlot.Slot)) {
        return;
    }
    final AbstractSlot slot = ((ClientSlot.Slot) clientSlot).getSlot();
    final CauseStack causeStack = CauseStack.current();
    causeStack.addContext(EventContextKeys.SPAWN_TYPE, SpawnTypes.DROPPED_ITEM);
    final List<Entity> entities = new ArrayList<>();
    final Transaction<ItemStackSnapshot> cursorTransaction;
    List<SlotTransaction> slotTransactions = new ArrayList<>();
    final ItemStackSnapshot item = LanternItemStack.toSnapshot(getCursorItem());
    cursorTransaction = new Transaction<>(item, item);
    final Optional<PeekedPollTransactionResult> result = ctrl ? slot.peekPoll(itemStack -> true) : slot.peekPoll(1, itemStack -> true);
    if (result.isPresent()) {
        final List<SlotTransaction> transactions = result.get().getTransactions();
        slotTransactions.addAll(transactions);
        final ItemStack itemStack = transactions.get(0).getOriginal().createStack();
        itemStack.setQuantity(itemStack.getQuantity() - transactions.get(0).getFinal().getQuantity());
        LanternEventHelper.handlePreDroppedItemSpawning(player.getTransform(), LanternItemStackSnapshot.wrap(itemStack)).ifPresent(entities::add);
    }
    slotTransactions = this.container.transformSlots(slotTransactions);
    final ClickInventoryEvent.Drop event;
    if (ctrl) {
        event = SpongeEventFactory.createClickInventoryEventDropFull(causeStack.getCurrentCause(), cursorTransaction, entities, this.container, slotTransactions);
    } else {
        event = SpongeEventFactory.createClickInventoryEventDropSingle(causeStack.getCurrentCause(), cursorTransaction, entities, this.container, slotTransactions);
    }
    finishInventoryEvent(event);
}