mirror of
https://github.com/ChestShop-authors/ChestShop-3.git
synced 2024-11-28 13:05:11 +01:00
1bf4651efa
- Added ShopDestroyedEvent - Fixed signs stacked on each other not working - Fixed Admin Shops selling materials with metadata - Fixed shops accepting '0' quantity - Started working on database stuff - Split BlockBreak listener to many files - Added methods to InventoryUtil - Fixed discounts
148 lines
3.6 KiB
Java
148 lines
3.6 KiB
Java
package com.Acrobot.Breeze.Utils;
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import org.bukkit.inventory.Inventory;
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import org.bukkit.inventory.ItemStack;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* @author Acrobot
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*/
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public class InventoryUtil {
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/**
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* Returns the amount of the item inside the inventory
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*
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* @param item Item to check
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* @param inventory inventory
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* @return amount of the item
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*/
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public static int getAmount(ItemStack item, Inventory inventory) {
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if (!inventory.contains(item.getType())) {
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return 0;
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}
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if (inventory.getType() == null) {
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return Integer.MAX_VALUE;
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}
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HashMap<Integer, ? extends ItemStack> items = inventory.all(item.getType());
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int itemAmount = 0;
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for (ItemStack iStack : items.values()) {
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if (!MaterialUtil.equals(iStack, item)) {
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continue;
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}
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itemAmount += iStack.getAmount();
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}
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return itemAmount;
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}
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/**
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* Tells if the inventory is empty
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*
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* @param inventory inventory
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* @return Is the inventory empty?
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*/
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public static boolean isEmpty(Inventory inventory) {
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for (ItemStack stack : inventory.getContents()) {
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if (!MaterialUtil.isEmpty(stack)) {
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return false;
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}
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}
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return true;
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}
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/**
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* Checks if the inventory has stock of this type
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*
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* @param items items
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* @param inventory inventory
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* @return Does the inventory contain stock of this type?
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*/
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public static boolean hasItems(ItemStack[] items, Inventory inventory) {
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for (ItemStack item : items) {
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if (InventoryUtil.getAmount(item, inventory) < item.getAmount()) {
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return false;
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}
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}
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return true;
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}
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/**
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* Checks if the item fits the inventory
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*
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* @param item Item to check
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* @param inventory inventory
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* @return Does item fit inside inventory?
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*/
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public static boolean fits(ItemStack item, Inventory inventory) {
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int left = item.getAmount();
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for (ItemStack iStack : inventory.getContents()) {
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if (left <= 0) {
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return true;
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}
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if (MaterialUtil.isEmpty(iStack)) {
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left -= inventory.getMaxStackSize();
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continue;
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}
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if (!MaterialUtil.equals(iStack, item)) {
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continue;
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}
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left -= (iStack.getMaxStackSize() - iStack.getAmount());
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}
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return left <= 0;
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}
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/**
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* Adds an item to the inventory
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*
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* @param item Item to add
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* @param inventory Inventory
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* @return Number of leftover items
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*/
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public static int add(ItemStack item, Inventory inventory) {
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Map<Integer, ItemStack> leftovers = inventory.addItem(item);
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return countItems(leftovers);
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}
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/**
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* Removes an item from the inventory
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*
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* @param item Item to remove
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* @param inventory Inventory
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* @return Number of items that couldn't be removed
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*/
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public static int remove(ItemStack item, Inventory inventory) {
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Map<Integer, ItemStack> leftovers = inventory.removeItem(item);
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return countItems(leftovers);
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}
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/**
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* Counts leftovers from a map
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*
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* @param items Leftovers
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* @return Number of leftovers
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*/
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private static int countItems(Map<Integer, ?> items) {
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int totalLeft = 0;
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for (int left : items.keySet()) {
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totalLeft += left;
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}
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return totalLeft;
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}
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}
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