diff --git a/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java b/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java index 1a51bf97..8a036266 100644 --- a/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java +++ b/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java @@ -113,6 +113,7 @@ public class GeyserSession implements CommandSender { private final SessionPlayerEntity playerEntity; private PlayerInventory inventory; + private BookEditCache bookEditCache; private ChunkCache chunkCache; private EntityCache entityCache; private EntityEffectCache effectCache; @@ -342,6 +343,7 @@ public class GeyserSession implements CommandSender { this.connector = connector; this.upstream = new UpstreamSession(bedrockServerSession); + this.bookEditCache = new BookEditCache(this); this.chunkCache = new ChunkCache(this); this.entityCache = new EntityCache(this); this.effectCache = new EntityEffectCache(); @@ -599,6 +601,7 @@ public class GeyserSession implements CommandSender { tickThread.cancel(true); } + this.bookEditCache = null; this.chunkCache = null; this.entityCache = null; this.effectCache = null; diff --git a/connector/src/main/java/org/geysermc/connector/network/session/cache/BookEditCache.java b/connector/src/main/java/org/geysermc/connector/network/session/cache/BookEditCache.java new file mode 100644 index 00000000..f81a9fdf --- /dev/null +++ b/connector/src/main/java/org/geysermc/connector/network/session/cache/BookEditCache.java @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2019-2021 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.connector.network.session.cache; + +import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack; +import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientEditBookPacket; +import lombok.Setter; +import org.geysermc.connector.network.session.GeyserSession; +import org.geysermc.connector.network.translators.item.ItemRegistry; + +/** + * Manages updating the current writable book. + * + * Java sends book updates less frequently than Bedrock, and this can cause issues with servers that rate limit + * book packets. Because of this, we need to ensure packets are only send every second or so at maximum. + */ +public class BookEditCache { + private final GeyserSession session; + @Setter + private ClientEditBookPacket packet; + /** + * Stores the last time a book update packet was sent to the server. + */ + private long lastBookUpdate; + + public BookEditCache(GeyserSession session) { + this.session = session; + } + + /** + * Check to see if there is a book edit update to send, and if so, send it. + */ + public void checkForSend() { + if (packet == null) { + // No new packet has to be sent + return; + } + // Prevent kicks due to rate limiting - specifically on Spigot servers + if ((System.currentTimeMillis() - lastBookUpdate) < 1000) { + return; + } + // Don't send the update if the player isn't not holding a book, shouldn't happen if we catch all interactions + ItemStack itemStack = session.getInventory().getItemInHand(); + if (itemStack == null || itemStack.getId() != ItemRegistry.WRITABLE_BOOK.getJavaId()) { + packet = null; + return; + } + session.getDownstream().getSession().send(packet); + packet = null; + lastBookUpdate = System.currentTimeMillis(); + } +} diff --git a/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockBookEditTranslator.java b/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockBookEditTranslator.java new file mode 100644 index 00000000..dd5d08a2 --- /dev/null +++ b/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockBookEditTranslator.java @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2019-2021 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.connector.network.translators.bedrock; + +import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack; +import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode; +import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientEditBookPacket; +import com.github.steveice10.opennbt.tag.builtin.CompoundTag; +import com.github.steveice10.opennbt.tag.builtin.ListTag; +import com.github.steveice10.opennbt.tag.builtin.StringTag; +import com.github.steveice10.opennbt.tag.builtin.Tag; +import com.nukkitx.protocol.bedrock.packet.BookEditPacket; +import org.geysermc.connector.network.session.GeyserSession; +import org.geysermc.connector.network.translators.PacketTranslator; +import org.geysermc.connector.network.translators.Translator; +import org.geysermc.connector.network.translators.inventory.InventoryTranslator; + +import java.util.Collections; +import java.util.LinkedList; +import java.util.List; + +@Translator(packet = BookEditPacket.class) +public class BedrockBookEditTranslator extends PacketTranslator { + + @Override + public void translate(BookEditPacket packet, GeyserSession session) { + ItemStack itemStack = session.getInventory().getItemInHand(); + if (itemStack != null) { + CompoundTag tag = itemStack.getNbt() != null ? itemStack.getNbt() : new CompoundTag(""); + ItemStack bookItem = new ItemStack(itemStack.getId(), itemStack.getAmount(), tag); + List pages = tag.contains("pages") ? new LinkedList<>(((ListTag) tag.get("pages")).getValue()) : new LinkedList<>(); + + int page = packet.getPageNumber(); + // Creative edits the NBT for us + if (session.getGameMode() != GameMode.CREATIVE) { + switch (packet.getAction()) { + case ADD_PAGE: { + // Add empty pages in between + for (int i = pages.size(); i < page; i++) { + pages.add(i, new StringTag("", "")); + } + pages.add(page, new StringTag("", packet.getText())); + break; + } + // Called whenever a page is modified + case REPLACE_PAGE: { + if (page < pages.size()) { + pages.set(page, new StringTag("", packet.getText())); + } else { + // Add empty pages in between + for (int i = pages.size(); i < page; i++) { + pages.add(i, new StringTag("", "")); + } + pages.add(page, new StringTag("", packet.getText())); + } + break; + } + case DELETE_PAGE: { + if (page < pages.size()) { + pages.remove(page); + } + break; + } + case SWAP_PAGES: { + int page2 = packet.getSecondaryPageNumber(); + if (page < pages.size() && page2 < pages.size()) { + Collections.swap(pages, page, page2); + } + break; + } + case SIGN_BOOK: { + tag.put(new StringTag("author", packet.getAuthor())); + tag.put(new StringTag("title", packet.getTitle())); + break; + } + default: + return; + } + } + // Remove empty pages at the end + while (pages.size() > 0) { + StringTag currentPage = (StringTag) pages.get(pages.size() - 1); + if (currentPage.getValue() == null || currentPage.getValue().isEmpty()) { + pages.remove(pages.size() - 1); + } else { + break; + } + } + tag.put(new ListTag("pages", pages)); + session.getInventory().setItem(36 + session.getInventory().getHeldItemSlot(), bookItem); + InventoryTranslator.INVENTORY_TRANSLATORS.get(null).updateInventory(session, session.getInventory()); + + session.getBookEditCache().setPacket(new ClientEditBookPacket(bookItem, packet.getAction() == BookEditPacket.Action.SIGN_BOOK, session.getInventory().getHeldItemSlot())); + // There won't be any more book updates after this, so we can try sending the edit packet immediately + if (packet.getAction() == BookEditPacket.Action.SIGN_BOOK) { + session.getBookEditCache().checkForSend(); + } + } + } +} diff --git a/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java b/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java index b756451b..228b2812 100644 --- a/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java +++ b/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java @@ -69,6 +69,9 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator