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‎src/plugin.yml‎

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name: ViaRewindPotions
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version: 0.0.1
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description: Translates thrown potions for ProtocolSupport and ViaRewind
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depend: [ProtocolLib]
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softdepend:
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- "ProtocolSupport"
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- "ViaRewind"
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- "ViaRewind-Legacy-Support"
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main: twolovers.viarewindpotions.Main

‎src/twolovers/viarewindpotions/Main.java‎

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package twolovers.viarewindpotions;
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import com.comphenix.protocol.ProtocolLibrary;
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import com.comphenix.protocol.ProtocolManager;
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import twolovers.viarewindpotions.listeners.AreaEffectCloudListener;
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import twolovers.viarewindpotions.listeners.SpawnEntityListener;
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import twolovers.viarewindpotions.adapters.WorldEventAdapter;
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import twolovers.viarewindpotions.utils.ConfigurationUtil;
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import twolovers.viarewindpotions.utils.VersionUtil;
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import org.bukkit.plugin.PluginManager;
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import org.bukkit.plugin.java.JavaPlugin;
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public class Main extends JavaPlugin {
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public void onEnable() {
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final ConfigurationUtil configurationUtil = new ConfigurationUtil(this);
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final VersionUtil versionUtil = new VersionUtil(this);
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final PluginManager pluginManager = getServer().getPluginManager();
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final ProtocolManager protocolManager = ProtocolLibrary.getProtocolManager();
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if (pluginManager.getPlugin("ViaRewind-Legacy-Support") == null || !configurationUtil.getConfiguration("%datafolder%/ViaRewind-Legacy-Support/config.yml").getBoolean("area-effect-cloud-particles"))
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pluginManager.registerEvents(new AreaEffectCloudListener(this, versionUtil), this);
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protocolManager.addPacketListener(new SpawnEntityListener(this, versionUtil));
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protocolManager.addPacketListener(new WorldEventAdapter(this, versionUtil));
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}
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}

‎src/twolovers/viarewindpotions/adapters/WorldEventAdapter.java‎

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package twolovers.viarewindpotions.adapters;
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import com.comphenix.protocol.PacketType;
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import com.comphenix.protocol.ProtocolLibrary;
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import com.comphenix.protocol.events.PacketAdapter;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketEvent;
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import com.comphenix.protocol.reflect.StructureModifier;
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import twolovers.viarewindpotions.utils.SplashTranslator;
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import twolovers.viarewindpotions.utils.TranslationData;
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import twolovers.viarewindpotions.utils.VersionUtil;
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import org.bukkit.entity.Player;
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import org.bukkit.plugin.Plugin;
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public class WorldEventAdapter extends PacketAdapter {
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private final VersionUtil versionUtil;
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public WorldEventAdapter(final Plugin plugin, final VersionUtil versionUtil) {
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super(plugin, PacketType.Play.Server.WORLD_EVENT);
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this.versionUtil = versionUtil;
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}
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@Override
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public void onPacketReceiving(PacketEvent event) {
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}
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@Override
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public void onPacketSending(PacketEvent event) {
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final PacketContainer packet = event.getPacket();
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final int effectId = packet.getIntegers().read(0);
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if (effectId == 2002 || effectId == 2007) {
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final Player player = event.getPlayer();
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final int version = versionUtil.getVersion(player);
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final PacketContainer edited = packet.deepClone();
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final StructureModifier<Integer> editedIntegers = edited.getIntegers();
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if (version <= 210)
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editedIntegers.write(0, 2002);
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for (final SplashTranslator translator : SplashTranslator.values()) {
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if (editedIntegers.read(1) == translator.getRGB()) {
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for (final TranslationData data : translator.getDatas()) {
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if (data.getLowestVersion() <= version && data.getHighestVersion() >= version)
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editedIntegers.write(1, data.getRemap());
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}
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}
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}
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try {
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ProtocolLibrary.getProtocolManager().sendServerPacket(player, edited, false);
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} catch (Exception e) {
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e.printStackTrace();
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}
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event.setCancelled(true);
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}
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}
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}

‎src/twolovers/viarewindpotions/listeners/AreaEffectCloudListener.java‎

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package twolovers.viarewindpotions.listeners;
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import twolovers.viarewindpotions.utils.VersionUtil;
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import org.bukkit.Location;
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import org.bukkit.entity.AreaEffectCloud;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.Listener;
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import org.bukkit.event.entity.LingeringPotionSplashEvent;
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import org.bukkit.plugin.Plugin;
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import java.util.List;
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import java.util.concurrent.CopyOnWriteArrayList;
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public class AreaEffectCloudListener implements Listener {
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final private List<AreaEffectCloud> effectClouds;
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public AreaEffectCloudListener(final Plugin plugin, final VersionUtil versionUtil) {
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effectClouds = new CopyOnWriteArrayList<>();
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plugin.getServer().getScheduler().scheduleSyncRepeatingTask(plugin, () -> {
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for (final AreaEffectCloud cloud : effectClouds) {
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if (cloud == null || cloud.isDead() || !cloud.isValid())
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effectClouds.remove(cloud);
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else {
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final Location location = cloud.getLocation();
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final float radius = cloud.getRadius();
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final float area = (float) Math.PI * radius * radius;
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final int color = cloud.getColor().asRGB();
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final int red = color >> 16 & 255;
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final int green = color >> 8 & 255;
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final int blue = color & 255;
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for (int i = 0; i < area; i++) {
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float f1 = (float) Math.random() * 6.2831855F;
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float f2 = (float) Math.sqrt(Math.random()) * radius;
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float f3 = (float) Math.cos(f1) * f2;
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float f4 = (float) Math.sin(f1) * f2;
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for (final Player player : cloud.getWorld().getPlayers())
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if (versionUtil.getVersion(player) <= 106)
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player.spawnParticle(cloud.getParticle(), location.getX() + f3, location.getY(), location.getZ() + f4, 0, red / 255f, green / 255f, blue / 255f);
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}
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}
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}
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}, 1L, 1L);
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}
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@EventHandler
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public void onLingeringPotionSplash(final LingeringPotionSplashEvent event) {
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effectClouds.add(event.getAreaEffectCloud());
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}
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}

‎src/twolovers/viarewindpotions/listeners/SpawnEntityListener.java‎

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package twolovers.viarewindpotions.listeners;
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import com.comphenix.protocol.PacketType;
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import com.comphenix.protocol.ProtocolLibrary;
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import com.comphenix.protocol.events.PacketAdapter;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketEvent;
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import twolovers.viarewindpotions.utils.PotionTranslator;
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import twolovers.viarewindpotions.utils.TranslationData;
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import twolovers.viarewindpotions.utils.VersionUtil;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.Player;
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import org.bukkit.entity.ThrownPotion;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.potion.PotionEffect;
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public class SpawnEntityListener extends PacketAdapter {
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private final VersionUtil versionUtil;
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public SpawnEntityListener(final Plugin plugin, final VersionUtil versionUtil) {
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super(plugin, PacketType.Play.Server.SPAWN_ENTITY);
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this.versionUtil = versionUtil;
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}
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@Override
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public void onPacketSending(final PacketEvent event) {
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final PacketContainer packet = event.getPacket();
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final Entity entity = packet.getEntityModifier(event).read(0);
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if (packet.getIntegers().read(6) == 73 && entity instanceof ThrownPotion) {
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final Player player = event.getPlayer();
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final int version = versionUtil.getVersion(player);
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final PacketContainer edited = packet.deepClone();
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final ThrownPotion potion = (ThrownPotion) entity;
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for (final PotionEffect effect : potion.getEffects()) {
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for (final PotionTranslator translator : PotionTranslator.values()) {
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if (effect.getType().equals(translator.getPotionEffectType())) {
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for (TranslationData data : translator.getDatas())
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if (data.getLowestVersion() <= version && data.getHighestVersion() >= version)
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edited.getIntegers().write(7, data.getRemap());
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}
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}
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}
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try {
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ProtocolLibrary.getProtocolManager().sendServerPacket(player, edited, false);
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} catch (Exception e) {
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e.printStackTrace();
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}
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event.setCancelled(true);
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}
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}
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}

‎src/twolovers/viarewindpotions/utils/ConfigurationUtil.java‎

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package twolovers.viarewindpotions.utils;
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import org.bukkit.configuration.file.YamlConfiguration;
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import org.bukkit.plugin.Plugin;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.file.Files;
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public class ConfigurationUtil {
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final private Plugin plugin;
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public ConfigurationUtil(final Plugin plugin) {
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this.plugin = plugin;
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}
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public YamlConfiguration getConfiguration(String filePath) {
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final File dataFolder = plugin.getDataFolder();
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final File file = new File(filePath.replace("%datafolder%", dataFolder.toPath().toString()));
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if (file.exists())
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return YamlConfiguration.loadConfiguration(file);
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else return new YamlConfiguration();
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}
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public void createConfiguration(String file) {
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try {
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final File dataFolder = plugin.getDataFolder();
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file = file.replace("%datafolder%", dataFolder.toPath().toString());
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final File configFile = new File(file);
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if (!configFile.exists()) {
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final String[] files = file.split("/");
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final InputStream inputStream = plugin.getClass().getClassLoader().getResourceAsStream(files[files.length - 1]);
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final File parentFile = configFile.getParentFile();
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if (parentFile != null) parentFile.mkdirs();
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if (inputStream != null) {
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Files.copy(inputStream, configFile.toPath());
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System.out.print(("[%pluginname%] File " + configFile + " has been created!").replace("%pluginname%", plugin.getDescription().getName()));
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} else configFile.createNewFile();
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}
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} catch (final IOException e) {
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System.out.print(("[%pluginname%] Unable to create configuration file!").replace("%pluginname%", plugin.getDescription().getName()));
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}
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}
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public void saveConfiguration(final YamlConfiguration yamlConfiguration, final String file) {
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plugin.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
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try {
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final File dataFolder = plugin.getDataFolder();
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yamlConfiguration.save(file.replace("%datafolder%", dataFolder.toPath().toString()));
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} catch (final IOException e) {
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System.out.print(("[%pluginname%] Unable to save configuration file!").replace("%pluginname%", plugin.getDescription().getName()));
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}
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});
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}
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public void deleteConfiguration(final String file) {
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plugin.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
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final File file1 = new File(file);
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if (file1.exists()) file1.delete();
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});
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}
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}

‎src/twolovers/viarewindpotions/utils/PotionTranslator.java‎

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package twolovers.viarewindpotions.utils;
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import org.bukkit.potion.PotionEffectType;
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public enum PotionTranslator {
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NIGHT_VISION(PotionEffectType.NIGHT_VISION, new TranslationData(16422, 0, 106)),
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INVISIBILITY(PotionEffectType.INVISIBILITY, new TranslationData(16430, 0, 106)),
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JUMP_BOOST(PotionEffectType.JUMP, new TranslationData(16388, 0, 46), new TranslationData(16388, 48, 106), new TranslationData(16395, 47, 47)),
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FIRE_RESISTANCE(PotionEffectType.FIRE_RESISTANCE, new TranslationData(16419, 0, 106)),
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SPEED(PotionEffectType.SPEED, new TranslationData(16386, 0, 106)),
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SLOWNESS(PotionEffectType.SLOW, new TranslationData(16426, 0, 106)),
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TURTLE_MASTER(PotionEffectType.DAMAGE_RESISTANCE, new TranslationData(16424, 0, 106)),
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WATER_BREATHING(PotionEffectType.WATER_BREATHING, new TranslationData(16429, 0, 106)),
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INSTANT_HEALTH(PotionEffectType.HEAL, new TranslationData(16453, 0, 106)),
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INSTANT_DAMAGE(PotionEffectType.HARM, new TranslationData(16460, 0, 106)),
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POISON(PotionEffectType.POISON, new TranslationData(16388, 0, 106)),
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REGENERATION(PotionEffectType.REGENERATION, new TranslationData(16385, 0, 106)),
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STRENGTH(PotionEffectType.INCREASE_DAMAGE, new TranslationData(16393, 0, 106)),
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WEAKNESS(PotionEffectType.WEAKNESS, new TranslationData(16424, 0, 106)),
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LUCK(PotionEffectType.LUCK, new TranslationData(16388, 0, 106));
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private PotionEffectType effect;
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private TranslationData[] datas;
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PotionTranslator(PotionEffectType effect, TranslationData... datas) {
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this.effect = effect;
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this.datas = datas;
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}
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public PotionEffectType getPotionEffectType() {
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return effect;
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}
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public TranslationData[] getDatas() {
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return datas;
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}
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}

‎src/twolovers/viarewindpotions/utils/SplashTranslator.java‎

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package twolovers.viarewindpotions.utils;
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public enum SplashTranslator {
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NIGHT_VISION(2039713, new TranslationData(8356774, 0, 106), new TranslationData(5, 107, 210)),
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INVISIBILITY(8356754, new TranslationData(8356778, 0, 106), new TranslationData(7, 107, 210)),
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JUMP_BOOST(2293580, new TranslationData(8356772, 0, 46), new TranslationData(8356772, 48, 106), new TranslationData(8356779, 47, 47), new TranslationData(9, 107, 210)),
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FIRE_RESISTANCE(14981690, new TranslationData(9643043, 0, 106), new TranslationData(12, 107, 210)),
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SPEED(8171462, new TranslationData(8356754, 0, 106), new TranslationData(14, 107, 210)),
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SLOWNESS(5926017, new TranslationData(6655210, 0, 106), new TranslationData(17, 107, 210)),
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TURTLE_MASTER(7691106, new TranslationData(4738376, 0, 106), new TranslationData(34, 107, 210)),
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WATER_BREATHING(3035801, new TranslationData(3035767, 0, 106), new TranslationData(19, 107, 210)),
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INSTANT_HEALTH(16262179, new TranslationData(8356757, 0, 106), new TranslationData(21, 107, 210)),
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INSTANT_DAMAGE(4393481, new TranslationData(2293580, 0, 106), new TranslationData(23, 107, 210)),
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POISON(3381504, new TranslationData(8356772, 0, 106), new TranslationData(25, 107, 210)),
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REGENERATION(13458603, new TranslationData(2039713, 0, 106), new TranslationData(28, 107, 210)),
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STRENGTH(9643043, new TranslationData(3035801, 0, 106), new TranslationData(31, 107, 210)),
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WEAKNESS(4738376, new TranslationData(34, 107, 210)),
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LUCK(3381504, new TranslationData(8356772, 0, 106), new TranslationData(36, 107, 210)),
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SLOW_FALLING(16773073, new TranslationData(8356754, 0, 106), new TranslationData(14, 107, 210));
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private int rgb;
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private TranslationData[] datas;
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SplashTranslator(int rgb, TranslationData... datas) {
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this.rgb = rgb;
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this.datas = datas;
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}
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public int getRGB() {
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return rgb;
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}
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public TranslationData[] getDatas() {
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return datas;
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}
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}

‎src/twolovers/viarewindpotions/utils/TranslationData.java‎

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package twolovers.viarewindpotions.utils;
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public class TranslationData {
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private int remap, lowestVersion, highestVersion;
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public TranslationData(int remap, int lowestVersion, int highestVersion) {
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this.remap = remap;
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this.lowestVersion = lowestVersion;
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this.highestVersion = highestVersion;
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}
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public int getRemap() {
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return remap;
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}
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public int getLowestVersion() {
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return lowestVersion;
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}
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public int getHighestVersion() {
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return highestVersion;
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}
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}

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