132 lines
4.7 KiB
Java
132 lines
4.7 KiB
Java
package com.Acrobot.ChestShop.Utils;
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import org.bukkit.Material;
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import org.bukkit.inventory.Inventory;
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import org.bukkit.inventory.ItemStack;
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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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public static int remove(Inventory inv, ItemStack item, int amount, short durability){
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Material itemMaterial = item.getType();
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int amountLeft = amount;
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for(int slot = 0; slot < inv.getSize(); slot++){
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if(amountLeft <= 0){
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return 0;
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}
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ItemStack currentItem = inv.getItem(slot);
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if(currentItem == null || currentItem.getType() == Material.AIR){
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continue;
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}
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if(currentItem.getType() == itemMaterial && (durability == -1 || currentItem.getDurability() == durability)){
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int currentAmount = currentItem.getAmount();
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if(amountLeft == currentAmount){
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currentItem = null;
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amountLeft = 0;
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} else if(amountLeft < currentAmount){
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currentItem.setAmount(currentAmount - amountLeft);
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amountLeft = 0;
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} else{
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currentItem = null;
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amountLeft -= currentAmount;
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}
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inv.setItem(slot, currentItem);
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}
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}
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return amountLeft;
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}
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public static int add(Inventory inv, ItemStack item, int amount){
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ItemStack[] contents = inv.getContents();
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Material itemMaterial = item.getType();
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short durability = item.getDurability();
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int amountLeft = amount;
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int maxStackSize = itemMaterial.getMaxStackSize();
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ItemStack baseItem = item.clone();
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for(int slot = 0; slot++ <= inv.getSize();){
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ItemStack itemStack = contents[slot];
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if(amountLeft <= 0){
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return 0;
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}
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if(itemStack != null && itemStack.getType() != Material.AIR){ //Our slot is not free
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int currentAmount = itemStack.getAmount();
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Material currentMaterial = itemStack.getType();
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short currentDurability = itemStack.getDurability();
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if(currentMaterial == itemMaterial && (currentDurability == durability)){
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if((currentAmount + amountLeft) <= maxStackSize){
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baseItem.setAmount(currentAmount + amountLeft);
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amountLeft = 0;
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} else{
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baseItem.setAmount(maxStackSize);
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amountLeft -= (maxStackSize - currentAmount);
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}
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inv.setItem(slot, baseItem);
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}
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}else{ //Free slot
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if(amountLeft <= maxStackSize){ //There is less to add than whole stack
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baseItem.setAmount(amountLeft);
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inv.setItem(slot, baseItem);
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amountLeft = 0;
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} else{ //We add whole stack
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baseItem.setAmount(maxStackSize);
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inv.setItem(slot, baseItem);
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amountLeft -= maxStackSize;
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}
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}
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}
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return amountLeft;
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}
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public static int amount(Inventory inv, ItemStack item, short durability){
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int amount = 0;
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ItemStack[] contents = inv.getContents();
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for(ItemStack i : contents){
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if(i != null){
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if(i.getType() == item.getType() && (durability == -1 || i.getDurability() == durability || (durability == 0 && i.getDurability() == -1))){
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amount += i.getAmount();
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}
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}
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}
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return amount;
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}
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public static int fits(Inventory inv, ItemStack item, int amount, short durability){
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Material itemMaterial = item.getType();
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int maxStackSize = itemMaterial.getMaxStackSize();
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int amountLeft = amount;
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for(ItemStack currentItem : inv.getContents()){
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if(amountLeft <= 0){
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return 0;
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}
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if(currentItem == null || currentItem.getType() == Material.AIR){
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amountLeft -= maxStackSize;
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continue;
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}
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int currentAmount = currentItem.getAmount();
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if(currentAmount == itemMaterial.getMaxStackSize()){
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continue;
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}
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if(currentItem.getType() == itemMaterial && (durability == -1 || currentItem.getDurability() == durability)){
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currentAmount = currentAmount < 1 ? 1 : currentAmount;
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amountLeft = (amountLeft <= currentAmount ? 0 : currentAmount);
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}
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}
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return amountLeft;
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}
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}
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