lots of code
This commit is contained in:
skippyall
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package io.github.skippyall.minions.fakeplayer;
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import com.mojang.authlib.GameProfile;
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import com.mojang.authlib.yggdrasil.ProfileResult;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.UUIDUtil;
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import net.minecraft.network.chat.Component;
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import net.minecraft.network.chat.contents.TranslatableContents;
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import net.minecraft.network.protocol.PacketFlow;
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import net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket;
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import net.minecraft.network.protocol.game.ClientboundRotateHeadPacket;
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import net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket;
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import net.minecraft.network.protocol.game.ServerboundClientCommandPacket;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.TickTask;
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import net.minecraft.server.level.ClientInformation;
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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.server.network.CommonListenerCookie;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EquipmentSlot;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.food.FoodData;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.level.GameType;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.phys.Vec3;
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import java.util.UUID;
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public class MinionFakePlayer extends ServerPlayer {
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public Runnable fixStartingPosition = () -> {};
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public boolean isAShadow;
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public static void createMinion(String username, ServerLevel level, ServerPlayer owner, Vec3 pos, double yaw, double pitch) {
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MinecraftServer server = level.getServer();
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server.getProfileCache().getAsync(username).thenAcceptAsync((optional) -> {
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GameProfile profile = null;
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if(optional.isPresent()){
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UUID uuid = optional.get().getId();
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ProfileResult result = server.getSessionService().fetchProfile(uuid, true);
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if(result != null) {
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profile = result.profile();
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}
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}
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if(profile == null) {
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profile = new GameProfile(UUIDUtil.createOfflinePlayerUUID(username), username);
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}
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MinionFakePlayer instance = new MinionFakePlayer(server, level, profile, ClientInformation.createDefault(), false);
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instance.fixStartingPosition = () -> instance.moveTo(pos.x, pos.y, pos.z, (float) yaw, (float) pitch);
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server.getPlayerList().placeNewPlayer(new FakeClientConnection(PacketFlow.SERVERBOUND), instance, new CommonListenerCookie(profile, 0, instance.clientInformation()));
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instance.teleportTo(level, pos.x, pos.y, pos.z, (float) yaw, (float) pitch);
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instance.setHealth(20.0F);
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instance.unsetRemoved();
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instance.gameMode.changeGameModeForPlayer(GameType.SURVIVAL);
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server.getPlayerList().broadcastAll(new ClientboundRotateHeadPacket(instance, (byte) (instance.yHeadRot * 256 / 360)), level.dimension());//instance.dimension);
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server.getPlayerList().broadcastAll(new ClientboundTeleportEntityPacket(instance), level.dimension());//instance.dimension);
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//instance.world.getChunkManager(). updatePosition(instance);
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instance.entityData.set(DATA_PLAYER_MODE_CUSTOMISATION, (byte) 0x7f); // show all model layers (incl. capes)
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instance.getAbilities().flying = false;
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instance.setMaxUpStep(0.6F);
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});
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}
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@SuppressWarnings("unused") //Don't know if I'll need this
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public static MinionFakePlayer createShadow(MinecraftServer server, ServerPlayer player)
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{
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player.getServer().getPlayerList().remove(player);
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player.connection.disconnect(Component.translatable("multiplayer.disconnect.duplicate_login"));
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ServerLevel worldIn = player.serverLevel();//.getWorld(player.dimension);
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GameProfile gameprofile = player.getGameProfile();
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MinionFakePlayer playerShadow = new MinionFakePlayer(server, worldIn, gameprofile, player.clientInformation(), true);
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playerShadow.setChatSession(player.getChatSession());
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server.getPlayerList().placeNewPlayer(new FakeClientConnection(PacketFlow.SERVERBOUND), playerShadow, new CommonListenerCookie(gameprofile, 0, player.clientInformation()));
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playerShadow.setHealth(player.getHealth());
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playerShadow.connection.teleport(player.getX(), player.getY(), player.getZ(), player.getYRot(), player.getXRot());
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playerShadow.gameMode.changeGameModeForPlayer(player.gameMode.getGameModeForPlayer());
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((ServerPlayerInterface) playerShadow).getActionPack().copyFrom(((ServerPlayerInterface) player).getActionPack());
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playerShadow.entityData.set(DATA_PLAYER_MODE_CUSTOMISATION, player.getEntityData().get(DATA_PLAYER_MODE_CUSTOMISATION));
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server.getPlayerList().broadcastAll(new ClientboundRotateHeadPacket(playerShadow, (byte) (player.yHeadRot * 256 / 360)), playerShadow.level().dimension());
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server.getPlayerList().broadcastAll(new ClientboundPlayerInfoUpdatePacket(ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER, playerShadow));
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//player.world.getChunkManager().updatePosition(playerShadow);
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playerShadow.getAbilities().flying = player.getAbilities().flying;
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return playerShadow;
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}
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public static MinionFakePlayer respawnFake(MinecraftServer server, ServerLevel level, GameProfile profile, ClientInformation cli)
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{
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return new MinionFakePlayer(server, level, profile, cli, false);
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}
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private MinionFakePlayer(MinecraftServer server, ServerLevel worldIn, GameProfile profile, ClientInformation cli, boolean shadow)
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{
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super(server, worldIn, profile, cli);
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isAShadow = shadow;
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}
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@Override
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public void onEquipItem(final EquipmentSlot slot, final ItemStack previous, final ItemStack stack)
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{
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if (!isUsingItem()) super.onEquipItem(slot, previous, stack);
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}
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@Override
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public void kill()
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{
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kill(Component.literal("Killed"));
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}
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public void kill(Component reason)
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{
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shakeOff();
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if (reason.getContents() instanceof TranslatableContents text && text.getKey().equals("multiplayer.disconnect.duplicate_login")) {
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this.connection.onDisconnect(reason);
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} else {
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this.server.tell(new TickTask(this.server.getTickCount(), () -> {
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this.connection.onDisconnect(reason);
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}));
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}
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}
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@Override
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public void tick()
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{
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if (this.getServer().getTickCount() % 10 == 0)
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{
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this.connection.resetPosition();
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this.serverLevel().getChunkSource().move(this);
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}
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try
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{
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super.tick();
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this.doTick();
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}
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catch (NullPointerException ignored)
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{
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// happens with that paper port thingy - not sure what that would fix, but hey
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// the game not gonna crash violently.
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}
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}
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private void shakeOff()
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{
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if (getVehicle() instanceof Player) stopRiding();
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for (Entity passenger : getIndirectPassengers())
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{
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if (passenger instanceof Player) passenger.stopRiding();
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}
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}
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@Override
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public void die(DamageSource cause)
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{
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shakeOff();
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super.die(cause);
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setHealth(20);
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this.foodData = new FoodData();
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kill(this.getCombatTracker().getDeathMessage());
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}
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@Override
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public String getIpAddress()
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{
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return "127.0.0.1";
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}
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@Override
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public boolean allowsListing() {
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return false;
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}
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@Override
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protected void checkFallDamage(double y, boolean onGround, BlockState state, BlockPos pos) {
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doCheckFallDamage(0.0, y, 0.0, onGround);
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}
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@Override
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public Entity changeDimension(ServerLevel serverLevel)
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{
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super.changeDimension(serverLevel);
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if (wonGame) {
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ServerboundClientCommandPacket p = new ServerboundClientCommandPacket(ServerboundClientCommandPacket.Action.PERFORM_RESPAWN);
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connection.handleClientCommand(p);
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}
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// If above branch was taken, *this* has been removed and replaced, the new instance has been set
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// on 'our' connection (which is now theirs, but we still have a ref).
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if (connection.player.isChangingDimension()) {
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connection.player.hasChangedDimension();
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}
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return connection.player;
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}
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}
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