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ItemUpdateEvent#isSwap

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This commit is contained in:
NichtStudioCode 2021-05-05 22:57:05 +02:00
parent 7697707b21
commit c623250e3a
1 changed files with 16 additions and 4 deletions
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20
src/main/java/de/studiocode/invui/virtualinventory/event/ItemUpdateEvent.java
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@ -104,29 +104,41 @@ public class ItemUpdateEvent {
}
/**
* Calculates if the Action resulted in items being added to
* Gets if the action resulted in items being added to
* the {@link VirtualInventory}.
*
* @return If items were added to the {@link VirtualInventory}
*/
public boolean isAdd() {
if (newItemStack != null && previousItemStack != null) {
if (newItemStack != null && previousItemStack != null && newItemStack.isSimilar(previousItemStack)) {
return newItemStack.getAmount() > previousItemStack.getAmount();
} else return previousItemStack == null && newItemStack != null;
}
/**
* Calculates if the action resulted in items being removed
* Gets if the action resulted in items being removed
* from the {@link VirtualInventory}.
*
* @return If items were removed from the {@link VirtualInventory}
*/
public boolean isRemove() {
if (newItemStack != null && previousItemStack != null) {
if (newItemStack != null && previousItemStack != null && newItemStack.isSimilar(previousItemStack)) {
return newItemStack.getAmount() < previousItemStack.getAmount();
} else return newItemStack == null && previousItemStack != null;
}
/**
* Gets if the type of the {@link ItemStack} has changed.
* This does not account for an {@link ItemStack} turning null
* or being null previously, {@link #isRemove()} and {@link #isAdd()}
* should be used for that.
*
* @return If the type of the {@link ItemStack} has changed
*/
public boolean isSwap() {
return newItemStack != null && previousItemStack != null && !newItemStack.isSimilar(previousItemStack);
}
/**
* Gets the amount of items that have been removed.
*