@Override
public boolean onShiftClick(ItemStack stack, int slot, Inventory from) {
if (getPlayer().getEngine().getPlatform() == Platform.CLIENT) {
throw new IllegalStateException("Shift click handling is handled server side.");
}
final PlayerInventory inventory = getPlayerInventory();
// From main inventory/quickbar to the dispenser
if (from instanceof PlayerMainInventory || from instanceof QuickbarInventory) {
for (InventoryConverter conv : this.getInventoryConverters()) {
Inventory inv = conv.getInventory();
if (inv instanceof DispenserInventory) {
Grid grid = inv.grid(3);
final int height = grid.getHeight();
final int length = grid.getLength();
for (int row = height - 1; row >= 0; row--) {
int startSlot = length * row;
int endSlot = startSlot + length - 1;
inv.add(startSlot, endSlot, stack);
from.set(slot, stack);
if (stack.isEmpty()) {
return true;
}
}
}
}
}
// From chest to inventory/quickbar
if (from instanceof DispenserInventory) {
// To quickbar (reversed)
final QuickbarInventory qbar = inventory.getQuickbar();
qbar.add(qbar.size() - 1, 0, stack);
from.set(slot, stack);
if (stack.isEmpty()) {
return true;
}
// To main inventory (reversed)
final Inventory main = inventory.getMain();
for (int row = 0; row < PlayerMainInventory.HEIGHT; row++) {
int startSlot = PlayerMainInventory.LENGTH * row;
int endSlot = startSlot + PlayerMainInventory.LENGTH - 1;
main.add(endSlot, startSlot, stack);
from.set(slot, stack);
if (stack.isEmpty()) {
return true;
}
}
}
return false;
}
/**
* Attempts to empty the specified {@link ItemStack} into the inventory starting at the specified
* slot. While iterating through the inventories slots, if a slot is null the remainder of the
* ItemStack will be put in the null slot, if a slot is not null but the {@link
* org.spout.api.material.Material} of the two ItemStacks do not match, the iteration will
* continue to the next slot, and if the slot is not null and the Material of the two ItemStacks
* do match the two ItemStacks will attempt to be 'stacked'. After {@link
* ItemStack#stack(org.spout.api.inventory.ItemStack)} has been called, if the specified ItemStack
* is empty the call will return, otherwise it will continue iterating through the slots until
* either the stack is empty, or the iteration has ended.
*
* @param firstSlot slot to start iteration at (inclusive)
* @param lastSlot slot to end iteration at (inclusive)
* @param item to attempt to add to the inventory
*/
public void add(int firstSlot, int lastSlot, ItemStack item) {
// First pass try to add to existing stacks, second pass, add to empty slots
final boolean reversed = lastSlot < firstSlot;
final int incr = reversed ? -1 : 1;
for (int pass = 0; pass < 2; pass++) {
for (int index = firstSlot;
reversed ? (index >= lastSlot) : (index <= lastSlot);
index += incr) {
ItemStack slot = get(index);
if (pass == 1) {
if (slot == null) {
set(index, item);
item.setAmount(0);
return;
}
}
if (slot != null && slot.equalsIgnoreSize(item)) {
slot.stack(item);
set(index, slot);
}
if (item.isEmpty()) {
return;
}
}
}
}
/**
* Replaces the {@link ItemStack} at the specified slot in this inventory with the specified
* ItemStack.
*
* @param i slot to set the item at
* @param item to set in the specified slot
* @return the item previously at the slot
*/
@Override
public ItemStack set(int i, ItemStack item) {
if (item != null && item.isEmpty()) {
item = null;
}
ItemStack old = get(i);
contents[i] = item == null ? null : item.clone();
update(i);
return old;
}