ViaVersion/api/src/main/java/com/viaversion/viaversion/api/rewriter/ItemRewriter.java

112 lines
3.5 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2024 ViaVersion and contributors
*
* 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.
*/
package com.viaversion.viaversion.api.rewriter;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.minecraft.item.Item;
import com.viaversion.viaversion.api.protocol.Protocol;
import com.viaversion.viaversion.api.type.Type;
import org.checkerframework.checker.nullness.qual.Nullable;
public interface ItemRewriter<T extends Protocol> extends Rewriter<T> {
/**
* Returns the rewritten item, which may or may not be the same given Item instance.
*
* @param connection user connection
* @param item item
* @return rewritten item
*/
@Nullable
Item handleItemToClient(UserConnection connection, @Nullable Item item);
/**
* Returns the rewritten item, which may or may not be the same given Item instance.
*
* @param connection user connection
* @param item item
* @return rewritten item
*/
@Nullable
Item handleItemToServer(UserConnection connection, @Nullable Item item);
/**
* Returns the item type of the current protocol.
*
* @return item type
*/
@Nullable
default Type<Item> itemType() {
return null;
}
/**
* Returns the item array type of the current protocol.
*
* @return item array type
*/
@Nullable
default Type<Item[]> itemArrayType() {
return null;
}
/**
* Returns the mapped item type of the target protocol.
*
* @return mapped item type
*/
@Nullable
default Type<Item> mappedItemType() {
return itemType();
}
/**
* Returns the mapped item array type of the target protocol.
*
* @return mapped item array type
*/
@Nullable
default Type<Item[]> mappedItemArrayType() {
return itemArrayType();
}
/**
* Returns the NBT tag name used for storing original item data.
*
* @return NBT tag name
*/
default String nbtTagName() {
return "VV|" + protocol().getClass().getSimpleName();
}
/**
* Prefixes the NBT tag name with the current protocol's {@link #nbtTagName()}.
*
* @param nbt NBT tag name
* @return prefixed NBT tag name
*/
default String nbtTagName(final String nbt) {
return nbtTagName() + "|" + nbt;
}
}