Geyser/core/src/main/java/org/geysermc/geyser/util/ItemUtils.java

100 lines
3.6 KiB
Java

/*
* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.util;
import com.github.steveice10.opennbt.tag.builtin.*;
import it.unimi.dsi.fastutil.ints.Int2IntMap;
import org.geysermc.geyser.session.GeyserSession;
import javax.annotation.Nullable;
public class ItemUtils {
private static Int2IntMap DYE_COLORS = null;
public static int getEnchantmentLevel(@Nullable CompoundTag itemNBTData, String enchantmentId) {
if (itemNBTData == null) {
return 0;
}
ListTag enchantments = itemNBTData.get("Enchantments");
if (enchantments != null) {
for (Tag tag : enchantments) {
CompoundTag enchantment = (CompoundTag) tag;
StringTag enchantId = enchantment.get("id");
if (enchantId.getValue().equals(enchantmentId)) {
Tag lvl = enchantment.get("lvl");
if (lvl != null && lvl.getValue() instanceof Number number) {
return number.intValue();
}
}
}
}
return 0;
}
/**
* @return the correct Bedrock durability for this item.
*/
public static int getCorrectBedrockDurability(GeyserSession session, int javaId, int original) {
if (javaId == session.getItemMappings().getStoredItems().fishingRod().getJavaId()) {
// Java durability: 64
// Bedrock durability : 384
// 384 / 64 = 6
return original * 6;
}
return original;
}
/**
* @param itemTag the NBT tag of the item
* @return the custom name of the item
*/
public static String getCustomName(CompoundTag itemTag) {
if (itemTag != null) {
if (itemTag.get("display") instanceof CompoundTag displayTag) {
if (displayTag.get("Name") instanceof StringTag nameTag) {
return nameTag.getValue();
}
}
}
return null;
}
/**
* Return the dye color associated with this Java item ID, if any. Returns -1 if no dye color exists for this item.
*/
public static int dyeColorFor(int javaId) {
return DYE_COLORS.get(javaId);
}
public static void setDyeColors(Int2IntMap dyeColors) {
if (DYE_COLORS != null) {
throw new RuntimeException();
}
dyeColors.defaultReturnValue(-1);
DYE_COLORS = dyeColors;
}
}