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Improves legacy item performance and refactors PlayerInteractListener

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I think the CachedSet was used wrong. I tried refactoring the class and properly check and add
ItemStacks to it properly.
If the user reports back with performance issues still persisting... Honestly I'll just remove support
for legacy items in general. Server/Users had enought time to redeem them by now.

CachedSet is using a WeakHashMap which might actually make the whole Set useless but I didn't do any testing on that today
This commit is contained in:
Christian Koop 2023-05-15 19:49:09 +02:00
parent bc4370730c
commit 29097b90c0
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GPG Key ID: 89A8181384E010A3
1 changed files with 67 additions and 38 deletions
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109
src/main/java/com/songoda/epicvouchers/listeners/PlayerInteractListener.java
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@ -12,10 +12,12 @@ import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import java.util.Collection;
public class PlayerInteractListener implements Listener {
private final EpicVouchers instance;
private final CachedSet<ItemStack> checkedLegacyVouchers = new CachedSet<>(3 * 60);
private final CachedSet<ItemStack> itemsThatGotLegacyChecked = new CachedSet<>(3 * 60);
public PlayerInteractListener(EpicVouchers instance) {
this.instance = instance;
@ -24,53 +26,80 @@ public class PlayerInteractListener implements Listener {
@EventHandler
public void voucherListener(PlayerInteractEvent e) {
ItemStack item = e.getItem();
if (item != null && (e.getAction() == Action.RIGHT_CLICK_AIR || e.getAction() == Action.RIGHT_CLICK_BLOCK)) {
NBTItem itemNbt = new NBTItem(item);
boolean itemHasVoucher = itemNbt.hasKey("epicvouchers:voucher");
String itemVoucherValue = itemNbt.getString("epicvouchers:voucher");
boolean legacyChecked = checkedLegacyVouchers.contains(item);
if (itemHasVoucher || !legacyChecked) {
boolean shouldBeLegacyCached = !itemHasVoucher;
for (Voucher voucher : instance.getVoucherManager().getVouchers()) {
// Check voucher NBT.
if (itemHasVoucher && itemVoucherValue.equals(voucher.getKey())) {
e.setCancelled(true);
voucher.redeemVoucher(e);
break;
if (item == null || !isRightClickAction(e.getAction())) {
return;
}
// TODO: eventually make the legacy check configurable as a lot of players (and vouchers) quickly cause lag
// Legacy crap.
// does the item they're holding match this voucher?
NBTItem nbtItem = new NBTItem(item);
boolean itemHasVoucher = nbtItem.hasTag("epicvouchers:voucher");
boolean itemHasBeenLegacyChecked = this.itemsThatGotLegacyChecked.contains(item);
if (!itemHasVoucher && itemHasBeenLegacyChecked) {
return;
}
Voucher voucher;
Collection<Voucher> allVouchers = this.instance.getVoucherManager().getVouchers();
if (itemHasVoucher) {
String voucherKey = nbtItem.getString("epicvouchers:voucher");
voucher = findVoucherForKey(voucherKey, allVouchers);
if (voucher != null) {
e.setCancelled(true);
voucher.redeemVoucher(e);
}
return;
}
voucher = findVoucherForLegacyItem(item, allVouchers);
if (voucher == null) {
this.itemsThatGotLegacyChecked.add(item);
return;
}
e.setCancelled(true);
voucher.redeemVoucher(e);
}
private boolean isRightClickAction(Action action) {
return action == Action.RIGHT_CLICK_AIR || action == Action.RIGHT_CLICK_BLOCK;
}
private Voucher findVoucherForKey(String voucherKey, Collection<Voucher> allVouchers) {
for (Voucher voucher : allVouchers) {
if (voucherKey.equals(voucher.getKey())) {
return voucher;
}
}
return null;
}
/**
* @deprecated This is a legacy method that is only used for backwards compatibility
* with vouchers that were created before the voucher key was stored in NBT.
* Some checks in here don't even look like they make sense or look redundant... Hard to touch this.
*/
@Deprecated
private Voucher findVoucherForLegacyItem(ItemStack item, Collection<Voucher> allVouchers) {
for (Voucher voucher : allVouchers) {
ItemStack voucherItem = voucher.toItemStack();
if ((voucherItem == null || voucherItem.isSimilar(item)) &&
item.getType() == voucher.getMaterial() &&
item.getDurability() == voucher.getData()) {
if (voucherItem != null && !voucherItem.isSimilar(item)) {
continue;
}
if (item.getType() != voucher.getMaterial() || item.getDurability() != voucher.getData()) {
continue;
}
// material matches - verify the name + lore
ItemMeta meta = item.getItemMeta();
if (meta != null && meta.hasDisplayName()
&& ChatColor.stripColor(meta.getDisplayName()).equals(ChatColor.stripColor(voucher.getName(true)))
&& (!meta.hasLore() || meta.getLore().equals(voucher.getLore(true)))) {
e.setCancelled(true);
voucher.redeemVoucher(e);
shouldBeLegacyCached = false;
break;
}
if (meta != null && meta.hasDisplayName() && ChatColor.stripColor(meta.getDisplayName()).equals(ChatColor.stripColor(voucher.getName(true))) && (!meta.hasLore() || meta.getLore().equals(voucher.getLore(true)))) {
return voucher;
}
}
if (shouldBeLegacyCached) {
this.checkedLegacyVouchers.add(item);
}
}
}
return null;
}
}