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Cache ItemMeta instead of creating a new ItemMeta for each potion check (#5075)

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* Cache ItemMeta instead of creating a new ItemMeta for each potion check

* Check if the item has item meta and, if it doesn't, bail out

* Also cache the potion item meta too

* Add requireNonNull to the potionItemMeta
This commit is contained in:
MrPowerGamerBR 2024-08-31 17:11:17 -03:00 committed by GitHub
parent 93bb160742
commit dcf83a8d20
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GPG Key ID: B5690EEEBB952194
2 changed files with 18 additions and 4 deletions
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8
src/main/java/com/gmail/nossr50/config/skills/alchemy/PotionConfig.java
View File

@ -9,6 +9,7 @@ import org.bukkit.Color;
import org.bukkit.Material;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.PotionMeta;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
@ -334,9 +335,14 @@ public class PotionConfig extends LegacyConfigLoader {
* @return AlchemyPotion that corresponds to the given ItemStack.
*/
public AlchemyPotion getPotion(ItemStack item) {
// Fast return if the item does not have any item meta to avoid initializing an unnecessary ItemMeta instance
if (!item.hasItemMeta())
return null;
ItemMeta itemMeta = item.getItemMeta();
final List<AlchemyPotion> potionList = alchemyPotions.values()
.stream()
.filter(potion -> potion.isSimilarPotion(item))
.filter(potion -> potion.isSimilarPotion(item, itemMeta))
.toList();
if(potionList.size() > 1) {
mcMMO.p.getLogger().severe("Multiple potions defined in config have matched this potion, for mcMMO to behave" +

14
src/main/java/com/gmail/nossr50/datatypes/skills/alchemy/AlchemyPotion.java
View File

@ -4,6 +4,7 @@ import com.gmail.nossr50.mcMMO;
import com.gmail.nossr50.util.PotionUtil;
import org.bukkit.Material;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.PotionMeta;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@ -18,6 +19,7 @@ import static java.util.Objects.requireNonNull;
public class AlchemyPotion {
private final @NotNull String potionConfigName;
private final @NotNull ItemStack potionItemStack;
private final @NotNull ItemMeta potionItemMeta;
private final @NotNull Map<ItemStack, String> alchemyPotionChildren;
public AlchemyPotion(@NotNull String potionConfigName, @NotNull ItemStack potionItemStack,
@ -25,6 +27,7 @@ public class AlchemyPotion {
this.potionConfigName = requireNonNull(potionConfigName, "potionConfigName cannot be null");
this.potionItemStack = requireNonNull(potionItemStack, "potionItemStack cannot be null");
this.alchemyPotionChildren = requireNonNull(alchemyPotionChildren, "alchemyPotionChildren cannot be null");
this.potionItemMeta = requireNonNull(potionItemStack.getItemMeta(), "potionItemMeta cannot be null"); // The potion item meta should never be null because it is a potion, but if it is null, then something went terribly wrong
}
public @NotNull ItemStack toItemStack(int amount) {
@ -49,13 +52,18 @@ public class AlchemyPotion {
}
public boolean isSimilarPotion(@NotNull ItemStack otherPotion) {
return isSimilarPotion(otherPotion, otherPotion.getItemMeta());
}
public boolean isSimilarPotion(@NotNull ItemStack otherPotion, @Nullable ItemMeta otherMeta) {
requireNonNull(otherPotion, "otherPotion cannot be null");
if (otherPotion.getType() != potionItemStack.getType()) {
return false;
}
// no potion meta, no match
if (!otherPotion.hasItemMeta()) {
if (otherMeta == null) {
return false;
}
@ -63,7 +71,7 @@ public class AlchemyPotion {
* Compare custom effects on both potions.
*/
final PotionMeta otherPotionMeta = (PotionMeta) otherPotion.getItemMeta();
final PotionMeta otherPotionMeta = (PotionMeta) otherMeta;
// compare custom effects on both potions, this has to be done in two traversals
// comparing thisPotionMeta -> otherPotionMeta and otherPotionMeta -> thisPotionMeta
if (hasDifferingCustomEffects(getAlchemyPotionMeta(), otherPotionMeta)
@ -114,7 +122,7 @@ public class AlchemyPotion {
}
public PotionMeta getAlchemyPotionMeta() {
return (PotionMeta) potionItemStack.getItemMeta();
return (PotionMeta) potionItemMeta;
}
public boolean isSplash() {