mirror of https://github.com/GeyserMC/Geyser.git
101 lines
4.0 KiB
Java
101 lines
4.0 KiB
Java
/*
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* Copyright (c) 2019-2023 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.item.type;
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import com.github.steveice10.mc.protocol.data.game.item.component.DataComponents;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.github.steveice10.opennbt.tag.builtin.ListTag;
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import com.github.steveice10.opennbt.tag.builtin.StringTag;
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import com.github.steveice10.opennbt.tag.builtin.Tag;
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import net.kyori.adventure.text.Component;
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import net.kyori.adventure.text.format.NamedTextColor;
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import org.checkerframework.checker.nullness.qual.NonNull;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.item.BedrockItemBuilder;
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import org.geysermc.geyser.translator.text.MessageTranslator;
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import java.util.List;
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public class WrittenBookItem extends WritableBookItem {
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public static final int MAXIMUM_PAGE_EDIT_LENGTH = 1024;
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public static final int MAXIMUM_PAGE_LENGTH = 32768;
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public static final int MAXIMUM_PAGE_COUNT = 100; // Java edition limit. Bedrock edition has a limit of 50 pages.
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public static final int MAXIMUM_TITLE_LENGTH = 16;
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public WrittenBookItem(String javaIdentifier, Builder builder) {
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super(javaIdentifier, builder);
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}
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@Override
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public void translateComponentsToBedrock(@NonNull GeyserSession session, @NonNull DataComponents components, @NonNull BedrockItemBuilder builder) {
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boolean isValid = isValidWrittenBook(tag);
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if (!isValid) {
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tag.remove("pages");
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}
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super.translateComponentsToBedrock(session, components, builder);
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if (!isValid) {
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CompoundTag invalidTagPage = new CompoundTag("");
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invalidTagPage.put(new StringTag("photoname", ""));
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invalidTagPage.put(new StringTag(
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"text",
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MessageTranslator.convertMessage(
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Component.translatable("book.invalid.tag", NamedTextColor.DARK_RED),
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session.locale()
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)
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));
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tag.put(new ListTag("pages", List.of(invalidTagPage)));
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}
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}
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private boolean isValidWrittenBook(CompoundTag tag) {
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if (!(tag.get("title") instanceof StringTag title)) {
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return false;
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}
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if (title.getValue().length() > (MAXIMUM_TITLE_LENGTH * 2)) {
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// Java rejects books with titles more than 2x the maximum length allowed in the input box
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return false;
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}
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if (!(tag.get("author") instanceof StringTag)) {
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return false;
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}
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if (!(tag.get("pages") instanceof ListTag pages)) {
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return false;
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}
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for (Tag pageTag : pages) {
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if (pageTag instanceof StringTag page) {
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if (page.getValue().length() > MAXIMUM_PAGE_LENGTH) {
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return false;
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}
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}
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}
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return true;
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}
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}
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