2023-06-08 18:22:21 +02:00
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/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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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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package de.bluecolored.bluemap.forge;
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import com.github.benmanes.caffeine.cache.Caffeine;
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import com.github.benmanes.caffeine.cache.LoadingCache;
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import de.bluecolored.bluemap.common.plugin.Plugin;
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import de.bluecolored.bluemap.common.plugin.commands.Commands;
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import de.bluecolored.bluemap.common.serverinterface.Player;
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import de.bluecolored.bluemap.common.serverinterface.ServerEventListener;
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import de.bluecolored.bluemap.common.serverinterface.ServerInterface;
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import de.bluecolored.bluemap.common.serverinterface.ServerWorld;
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import de.bluecolored.bluemap.core.BlueMap;
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import de.bluecolored.bluemap.core.MinecraftVersion;
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import de.bluecolored.bluemap.core.logger.Logger;
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import net.minecraft.SharedConstants;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.level.Level;
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import net.minecraftforge.common.MinecraftForge;
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import net.minecraftforge.event.RegisterCommandsEvent;
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import net.minecraftforge.event.TickEvent.ServerTickEvent;
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import net.minecraftforge.event.entity.player.PlayerEvent.PlayerLoggedInEvent;
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import net.minecraftforge.event.entity.player.PlayerEvent.PlayerLoggedOutEvent;
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import net.minecraftforge.event.server.ServerStartedEvent;
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import net.minecraftforge.event.server.ServerStartingEvent;
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import net.minecraftforge.event.server.ServerStoppingEvent;
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import net.minecraftforge.eventbus.api.SubscribeEvent;
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import net.minecraftforge.fml.IExtensionPoint;
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import net.minecraftforge.fml.ModLoadingContext;
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import net.minecraftforge.fml.common.Mod;
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import net.minecraftforge.network.NetworkConstants;
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import org.apache.logging.log4j.LogManager;
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import java.io.IOException;
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import java.nio.file.Path;
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import java.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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@Mod(Plugin.PLUGIN_ID)
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public class ForgeMod implements ServerInterface {
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private final Plugin pluginInstance;
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private MinecraftServer serverInstance = null;
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private final ForgeEventForwarder eventForwarder;
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private final LoadingCache<ServerLevel, ServerWorld> worlds;
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private int playerUpdateIndex = 0;
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private final Map<UUID, Player> onlinePlayerMap;
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private final List<ForgePlayer> onlinePlayerList;
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public ForgeMod() {
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2023-07-01 09:44:19 +02:00
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Logger.global.clear();
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Logger.global.put(new Log4jLogger(LogManager.getLogger(Plugin.PLUGIN_NAME)));
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2023-06-08 18:22:21 +02:00
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this.onlinePlayerMap = new ConcurrentHashMap<>();
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this.onlinePlayerList = Collections.synchronizedList(new ArrayList<>());
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this.pluginInstance = new Plugin("forge-1.20", this);
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this.eventForwarder = new ForgeEventForwarder();
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this.worlds = Caffeine.newBuilder()
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.executor(BlueMap.THREAD_POOL)
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.weakKeys()
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.maximumSize(1000)
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.build(ForgeWorld::new);
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MinecraftForge.EVENT_BUS.register(this);
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//Make sure the mod being absent on the other network side does not cause the client to display the server as incompatible
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ModLoadingContext.get().registerExtensionPoint(IExtensionPoint.DisplayTest.class, () -> new IExtensionPoint.DisplayTest(() -> NetworkConstants.IGNORESERVERONLY, (a, b) -> true));
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}
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@SubscribeEvent
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public void onServerStarting(ServerStartingEvent event) {
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this.serverInstance = event.getServer();
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}
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@SubscribeEvent
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public void onRegisterCommands(RegisterCommandsEvent event) {
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//register commands
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new Commands<>(pluginInstance, event.getDispatcher(), forgeSource ->
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new ForgeCommandSource(this, pluginInstance, forgeSource)
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);
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}
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@SubscribeEvent
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public void onServerStarted(ServerStartedEvent event) {
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//save worlds to generate level.dat files
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serverInstance.saveAllChunks(false, true, true);
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new Thread(() -> {
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Logger.global.logInfo("Loading...");
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try {
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pluginInstance.load();
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if (pluginInstance.isLoaded()) Logger.global.logInfo("Loaded!");
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} catch (IOException e) {
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Logger.global.logError("Failed to load bluemap!", e);
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pluginInstance.unload();
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}
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}, "BlueMap-Plugin-Loading").start();
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}
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@SubscribeEvent
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public void onServerStopping(ServerStoppingEvent event) {
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pluginInstance.unload();
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Logger.global.logInfo("BlueMap unloaded!");
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}
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@SubscribeEvent
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public void onTick(ServerTickEvent evt) {
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updateSomePlayers();
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}
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@Override
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public MinecraftVersion getMinecraftVersion() {
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try {
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return MinecraftVersion.of(SharedConstants.getCurrentVersion().getId());
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} catch (IllegalArgumentException ex) {
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return MinecraftVersion.LATEST_SUPPORTED;
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}
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}
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@Override
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public void registerListener(ServerEventListener listener) {
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eventForwarder.addEventListener(listener);
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}
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@Override
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public void unregisterAllListeners() {
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eventForwarder.removeAllListeners();
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}
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@Override
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public Collection<ServerWorld> getLoadedWorlds() {
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Collection<ServerWorld> loadedWorlds = new ArrayList<>(3);
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for (ServerLevel serverWorld : serverInstance.getAllLevels()) {
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loadedWorlds.add(worlds.get(serverWorld));
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}
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return loadedWorlds;
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}
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@SuppressWarnings("unchecked")
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@Override
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public Optional<ServerWorld> getWorld(Object world) {
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if (world instanceof Path)
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return getWorld((Path) world);
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if (world instanceof String) {
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ResourceLocation resourceLocation = ResourceLocation.tryParse((String) world);
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if (resourceLocation != null) world = serverInstance.getLevel(ResourceKey.create(Registries.DIMENSION, resourceLocation));
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}
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if (world instanceof ResourceKey) {
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try {
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world = serverInstance.getLevel((ResourceKey<Level>) world);
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} catch (ClassCastException ignored) {}
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}
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if (world instanceof ServerLevel)
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return Optional.of(getWorld((ServerLevel) world));
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return Optional.empty();
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}
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public ServerWorld getWorld(ServerLevel world) {
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return worlds.get(world);
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}
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@Override
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public Path getConfigFolder() {
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return Path.of("config", "bluemap");
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}
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@Override
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public Optional<Path> getModsFolder() {
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return Optional.of(Path.of("mods"));
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}
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@SubscribeEvent
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public void onPlayerJoin(PlayerLoggedInEvent evt) {
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var playerInstance = evt.getEntity();
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if (!(playerInstance instanceof ServerPlayer)) return;
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ForgePlayer player = new ForgePlayer(playerInstance.getUUID(), this);
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onlinePlayerMap.put(player.getUuid(), player);
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onlinePlayerList.add(player);
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}
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@SubscribeEvent
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public void onPlayerLeave(PlayerLoggedOutEvent evt) {
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var player = evt.getEntity();
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if (!(player instanceof ServerPlayer)) return;
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UUID playerUUID = player.getUUID();
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onlinePlayerMap.remove(playerUUID);
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synchronized (onlinePlayerList) {
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onlinePlayerList.removeIf(p -> p.getUuid().equals(playerUUID));
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}
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}
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public MinecraftServer getServer() {
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return this.serverInstance;
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}
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public Plugin getPlugin() {
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return this.pluginInstance;
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}
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@Override
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public Collection<Player> getOnlinePlayers() {
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return onlinePlayerMap.values();
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}
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@Override
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public Optional<Player> getPlayer(UUID uuid) {
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return Optional.ofNullable(onlinePlayerMap.get(uuid));
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}
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/**
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* Only update some of the online players each tick to minimize performance impact on the server-thread.
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* Only call this method on the server-thread.
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*/
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private void updateSomePlayers() {
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int onlinePlayerCount = onlinePlayerList.size();
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if (onlinePlayerCount == 0) return;
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int playersToBeUpdated = onlinePlayerCount / 20; //with 20 tps, each player is updated once a second
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if (playersToBeUpdated == 0) playersToBeUpdated = 1;
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for (int i = 0; i < playersToBeUpdated; i++) {
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playerUpdateIndex++;
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if (playerUpdateIndex >= 20 && playerUpdateIndex >= onlinePlayerCount) playerUpdateIndex = 0;
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if (playerUpdateIndex < onlinePlayerCount) {
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onlinePlayerList.get(playerUpdateIndex).update();
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}
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}
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}
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}
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