@EventHandler(ignoreCancelled = true)
public void onInventoryDrag(InventoryDragEvent event) {
Mage mage = controller.getMage(event.getWhoClicked());
GUIAction activeGUI = mage == null ? null : mage.getActiveGUI();
if (activeGUI != null) {
activeGUI.dragged(event);
return;
}
if (!enableItemHacks) return;
// this is a huge hack! :\
// I apologize for any weird behavior this causes.
// Bukkit, unfortunately, will blow away NBT data for anything you drag
// Which will nuke a wand or spell.
// To make matters worse, Bukkit passes a copy of the item in the event, so we can't
// even check for metadata and only cancel the event if it involves one of our special items.
// The best I can do is look for metadata at all, since Bukkit will retain the name and lore.
// I have now decided to copy over the CB default handler for this, and cancel the event.
// The only change I have made is that *real* ItemStack copies are made, instead of shallow
// Bukkit ones.
ItemStack oldStack = event.getOldCursor();
HumanEntity entity = event.getWhoClicked();
if (oldStack != null && oldStack.hasItemMeta() && entity instanceof Player) {
// Only do this if we're only dragging one item, since I don't
// really know what happens or how you would drag more than one.
Map<Integer, ItemStack> draggedSlots = event.getNewItems();
if (draggedSlots.size() != 1) return;
event.setCancelled(true);
// Cancelling the event will put the item back on the cursor,
// and skip updating the inventory.
// So we will wait one tick and then fix this up using the original item.
InventoryView view = event.getView();
for (Integer dslot : draggedSlots.keySet()) {
CompleteDragTask completeDrag = new CompleteDragTask((Player) entity, view, dslot);
completeDrag.runTaskLater(controller.getPlugin(), 1);
}
}
}
@SuppressWarnings("deprecation")
@EventHandler
public void onInventoryClick(InventoryClickEvent event) {
// controller.getLogger().info("CLICK: " + event.getAction() + ", " + event.getClick() + " on "
// + event.getSlotType() + " in "+ event.getInventory().getType() + " slots: " + event.getSlot()
// + ":" + event.getRawSlot());
if (event.isCancelled()) return;
if (!(event.getWhoClicked() instanceof Player)) return;
Player player = (Player) event.getWhoClicked();
Mage apiMage = controller.getMage(player);
if (!(apiMage instanceof com.elmakers.mine.bukkit.magic.Mage)) return;
final com.elmakers.mine.bukkit.magic.Mage mage = (com.elmakers.mine.bukkit.magic.Mage) apiMage;
GUIAction gui = mage.getActiveGUI();
if (gui != null) {
gui.clicked(event);
return;
}
// Check for temporary items and skill items
InventoryAction action = event.getAction();
InventoryType inventoryType = event.getInventory().getType();
ItemStack clickedItem = event.getCurrentItem();
boolean isDrop =
event.getClick() == ClickType.DROP || event.getClick() == ClickType.CONTROL_DROP;
boolean isSkill = clickedItem != null && Wand.isSkill(clickedItem);
// Preventing putting skills in containers
if (isSkill && inventoryType != InventoryType.CRAFTING) {
if (!isDrop) {
event.setCancelled(true);
}
return;
}
// Check for right-click-to-use
if (isSkill && action == InventoryAction.PICKUP_HALF) {
Spell spell = mage.getSpell(Wand.getSpell(clickedItem));
if (spell != null) {
spell.cast();
}
player.closeInventory();
event.setCancelled(true);
return;
}
if (clickedItem != null && NMSUtils.isTemporary(clickedItem)) {
String message = NMSUtils.getTemporaryMessage(clickedItem);
if (message != null && message.length() > 1) {
mage.sendMessage(message);
}
ItemStack replacement = NMSUtils.getReplacement(clickedItem);
event.setCurrentItem(replacement);
event.setCancelled(true);
return;
}
// Check for wearing spells
ItemStack heldItem = event.getCursor();
if (heldItem != null && event.getSlotType() == InventoryType.SlotType.ARMOR) {
if (Wand.isSpell(heldItem)) {
event.setCancelled(true);
return;
}
if (Wand.isWand(clickedItem) || Wand.isWand(heldItem)) {
controller.onArmorUpdated(mage);
}
}
boolean isHotbar =
event.getAction() == InventoryAction.HOTBAR_SWAP
|| event.getAction() == InventoryAction.HOTBAR_MOVE_AND_READD;
if (isHotbar && event.getSlotType() == InventoryType.SlotType.ARMOR) {
int slot = event.getHotbarButton();
ItemStack item = mage.getPlayer().getInventory().getItem(slot);
if (item != null && Wand.isSpell(item)) {
event.setCancelled(true);
return;
}
controller.onArmorUpdated(mage);
}
Wand activeWand = mage.getActiveWand();
boolean isChest =
inventoryType == InventoryType.CHEST
|| inventoryType == InventoryType.HOPPER
|| inventoryType == InventoryType.DISPENSER
|| inventoryType == InventoryType.DROPPER;
boolean clickedWand = Wand.isWand(clickedItem);
boolean isContainerSlot = event.getSlot() == event.getRawSlot();
if (activeWand != null && activeWand.isInventoryOpen()) {
// Kind of a hack to avoid hotbar items with 0 amounts disappearing :(
Inventory inventory = player.getInventory();
for (int i = 0; i < 8; i++) {
ItemStack item = inventory.getItem(i);
if (item != null && item.getAmount() == 0) {
item.setAmount(1);
}
}
// Don't allow the offhand slot to be messed with while the spell inventory is open
if (event.getRawSlot() == 45) {
event.setCancelled(true);
return;
}
if (Wand.isSpell(clickedItem) && clickedItem.getAmount() != 1) {
clickedItem.setAmount(1);
}
if (clickedWand) {
event.setCancelled(true);
if (dropChangesPages) {
activeWand.cycleInventory();
} else {
activeWand.cycleHotbar(1);
}
return;
}
// So many ways to try and move the wand around, that we have to watch for!
if (isHotbar && Wand.isWand(player.getInventory().getItem(event.getHotbarButton()))) {
event.setCancelled(true);
return;
}
// Can't wear spells
if (event.getAction() == InventoryAction.MOVE_TO_OTHER_INVENTORY && clickedItem != null) {
if (controller.isWearable(clickedItem)) {
event.setCancelled(true);
return;
}
}
// Safety check for something that ought not to be possible
// but perhaps happens with lag?
if (Wand.isWand(event.getCursor())) {
activeWand.closeInventory();
event.setCursor(null);
event.setCancelled(true);
return;
}
} else if (activeWand != null) {
// Check for changes that could have been made to the active wand
Integer activeSlot = player.getInventory().getHeldItemSlot();
if (activeSlot != null
&& (event.getSlot() == activeSlot
|| (event.getAction() == InventoryAction.HOTBAR_SWAP
&& event.getHotbarButton() == activeSlot))) {
mage.checkWand();
activeWand = mage.getActiveWand();
}
} else if (clickedWand
&& Wand.Undroppable
&& !player.hasPermission("Magic.wand.override_drop")
&& isChest
&& !isContainerSlot) {
Wand wand = new Wand(controller, clickedItem);
if (wand.isUndroppable()) {
event.setCancelled(true);
return;
}
}
// Check for armor changing
if (event.getAction() == InventoryAction.MOVE_TO_OTHER_INVENTORY && clickedItem != null) {
if (controller.isWearable(clickedItem)) {
controller.onArmorUpdated(mage);
}
}
// Check for dropping items out of a wand's inventory
// or dropping undroppable wands
if (isDrop) {
if (clickedWand) {
Wand wand = new Wand(controller, clickedItem);
if (wand.isUndroppable()) {
event.setCancelled(true);
if (activeWand != null) {
if (activeWand.getHotbarCount() > 1) {
activeWand.cycleHotbar(1);
} else {
activeWand.closeInventory();
}
}
return;
}
}
if (activeWand != null && activeWand.isInventoryOpen()) {
ItemStack droppedItem = clickedItem;
if (!Wand.isSpell(droppedItem)) {
mage.giveItem(droppedItem);
event.setCurrentItem(null);
event.setCancelled(true);
return;
}
// This is a hack to deal with spells on cooldown disappearing,
// Since the event handler doesn't match the zero-count itemstacks
Integer slot = event.getSlot();
int heldSlot = player.getInventory().getHeldItemSlot();
Inventory hotbar = activeWand.getHotbar();
if (hotbar != null
&& slot >= 0
&& slot <= hotbar.getSize()
&& slot != heldSlot
&& activeWand.getMode() == WandMode.INVENTORY) {
if (slot > heldSlot) slot--;
if (slot < hotbar.getSize()) {
droppedItem = hotbar.getItem(slot);
} else {
slot = null;
}
} else {
slot = null;
}
if (!controller.isSpellDroppingEnabled()) {
player.closeInventory();
String spellName = Wand.getSpell(droppedItem);
if (spellName != null && !activeWand.isManualQuickCastDisabled()) {
Spell spell = mage.getSpell(spellName);
if (spell != null) {
activeWand.cast(spell);
// Just in case a spell has levelled up... jeez!
if (hotbar != null && slot != null) {
droppedItem = hotbar.getItem(slot);
}
}
}
event.setCancelled(true);
// This is needed to avoid spells on cooldown disappearing from the hotbar
if (hotbar != null && slot != null && mage.getActiveGUI() == null) {
player.getInventory().setItem(event.getSlot(), droppedItem);
player.updateInventory();
}
return;
}
ItemStack newDrop = controller.removeItemFromWand(activeWand, droppedItem);
if (newDrop != null) {
Location location = player.getLocation();
Item item = location.getWorld().dropItem(location, newDrop);
item.setVelocity(location.getDirection().normalize());
} else {
event.setCancelled(true);
}
}
return;
}
// Check for wand cycling with active inventory
if (activeWand != null) {
WandMode wandMode = activeWand.getMode();
if ((wandMode == WandMode.INVENTORY && inventoryType == InventoryType.CRAFTING)
|| (wandMode == WandMode.CHEST && inventoryType == InventoryType.CHEST)) {
if (activeWand.isInventoryOpen()) {
if (event.getAction() == InventoryAction.NOTHING) {
int direction = event.getClick() == ClickType.LEFT ? 1 : -1;
activeWand.cycleInventory(direction);
event.setCancelled(true);
return;
}
if (event.getSlotType() == InventoryType.SlotType.ARMOR) {
event.setCancelled(true);
return;
}
// Chest mode falls back to selection from here.
if (event.getAction() == InventoryAction.PICKUP_HALF || wandMode == WandMode.CHEST) {
controller.onPlayerActivateIcon(mage, activeWand, clickedItem);
player.closeInventory();
event.setCancelled(true);
}
}
}
}
}
