mirror of https://github.com/GeyserMC/Geyser.git
141 lines
6.2 KiB
Java
141 lines
6.2 KiB
Java
/*
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* Copyright (c) 2019-2022 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.platform.fabric.world;
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import com.nukkitx.math.vector.Vector3i;
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import com.nukkitx.nbt.NbtMap;
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import com.nukkitx.nbt.NbtMapBuilder;
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import com.nukkitx.nbt.NbtType;
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import net.minecraft.core.BlockPos;
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import net.minecraft.nbt.ListTag;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.WritableBookItem;
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import net.minecraft.world.item.WrittenBookItem;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.entity.LecternBlockEntity;
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import org.geysermc.geyser.level.GeyserWorldManager;
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import org.geysermc.geyser.platform.fabric.GeyserFabricMod;
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import org.geysermc.geyser.platform.fabric.command.GeyserFabricCommandExecutor;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.inventory.LecternInventoryTranslator;
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import org.geysermc.geyser.util.BlockEntityUtils;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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public class GeyserFabricWorldManager extends GeyserWorldManager {
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private final MinecraftServer server;
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public GeyserFabricWorldManager(MinecraftServer server) {
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this.server = server;
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}
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@Override
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public boolean shouldExpectLecternHandled() {
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return true;
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}
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@Override
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public NbtMap getLecternDataAt(GeyserSession session, int x, int y, int z, boolean isChunkLoad) {
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Runnable lecternGet = () -> {
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// Mostly a reimplementation of Spigot lectern support
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ServerPlayer player = getPlayer(session);
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if (player != null) {
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BlockEntity blockEntity = player.level.getBlockEntity(new BlockPos(x, y, z));
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if (!(blockEntity instanceof LecternBlockEntity lectern)) {
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return;
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}
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if (!lectern.hasBook()) {
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if (!isChunkLoad) {
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BlockEntityUtils.updateBlockEntity(session, LecternInventoryTranslator.getBaseLecternTag(x, y, z, 0).build(), Vector3i.from(x, y, z));
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}
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return;
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}
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ItemStack book = lectern.getBook();
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int pageCount = WrittenBookItem.getPageCount(book);
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boolean hasBookPages = pageCount > 0;
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NbtMapBuilder lecternTag = LecternInventoryTranslator.getBaseLecternTag(x, y, z, hasBookPages ? pageCount : 1);
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lecternTag.putInt("page", lectern.getPage() / 2);
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NbtMapBuilder bookTag = NbtMap.builder()
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.putByte("Count", (byte) book.getCount())
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.putShort("Damage", (short) 0)
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.putString("Name", "minecraft:writable_book");
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List<NbtMap> pages = new ArrayList<>(hasBookPages ? pageCount : 1);
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if (hasBookPages && WritableBookItem.makeSureTagIsValid(book.getTag())) {
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ListTag listTag = book.getTag().getList("pages", 8);
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for (int i = 0; i < listTag.size(); i++) {
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String page = listTag.getString(i);
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NbtMapBuilder pageBuilder = NbtMap.builder()
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.putString("photoname", "")
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.putString("text", page);
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pages.add(pageBuilder.build());
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}
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} else {
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// Empty page
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NbtMapBuilder pageBuilder = NbtMap.builder()
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.putString("photoname", "")
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.putString("text", "");
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pages.add(pageBuilder.build());
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}
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bookTag.putCompound("tag", NbtMap.builder().putList("pages", NbtType.COMPOUND, pages).build());
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lecternTag.putCompound("book", bookTag.build());
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NbtMap blockEntityTag = lecternTag.build();
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BlockEntityUtils.updateBlockEntity(session, blockEntityTag, Vector3i.from(x, y, z));
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}
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};
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if (isChunkLoad) {
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// Hacky hacks to allow lectern loading to be delayed
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session.scheduleInEventLoop(() -> server.execute(lecternGet), 1, TimeUnit.SECONDS);
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} else {
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server.execute(lecternGet);
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}
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return LecternInventoryTranslator.getBaseLecternTag(x, y, z, 0).build();
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}
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@Override
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public boolean hasPermission(GeyserSession session, String permission) {
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// Workaround for our commands because fabric doesn't have native permissions
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for (GeyserFabricCommandExecutor executor : GeyserFabricMod.getInstance().getCommandExecutors()) {
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if (executor.getCommand().permission().equals(permission)) {
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return executor.canRun(getPlayer(session).createCommandSourceStack());
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}
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}
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return false;
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}
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private ServerPlayer getPlayer(GeyserSession session) {
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return server.getPlayerList().getPlayer(session.getPlayerEntity().getUuid());
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}
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}
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