Item Send function

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+.kotlin
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>de.oryfox.plugins</groupId>
+    <artifactId>inventory-tools</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>25</maven.compiler.source>
+        <maven.compiler.target>25</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <repositories>
+        <repository>
+            <id>papermc</id>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.21.11-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>dev.triumphteam</groupId>
+            <artifactId>triumph-gui</artifactId>
+            <version>3.1.13</version>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.5.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <finalName>${project.artifactId}</finalName>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/de/oryfox/plugins/InventoryTools.java

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+package de.oryfox.plugins;
+
+import de.oryfox.plugins.event.SendItemCommandEvent;
+import io.papermc.paper.command.brigadier.Commands;
+import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEvents;
+import org.bukkit.plugin.java.JavaPlugin;
+
+public class InventoryTools extends JavaPlugin {
+    @Override
+    public void onEnable() {
+        super.onEnable();
+        this.getLifecycleManager().registerEventHandler(LifecycleEvents.COMMANDS, commands -> {
+            commands.registrar().register(
+                    Commands
+                            .literal("sendItem")
+                            .executes(SendItemCommandEvent::openPlayerSelectionMenu)
+                            .build());
+        });
+    }
+}

src/main/java/de/oryfox/plugins/event/SendItemCommandEvent.java

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+package de.oryfox.plugins.event;
+
+import com.mojang.brigadier.context.CommandContext;
+import de.oryfox.plugins.helpers.HeadItem;
+import dev.triumphteam.gui.builder.item.ItemBuilder;
+import dev.triumphteam.gui.guis.Gui;
+import dev.triumphteam.gui.guis.GuiItem;
+import dev.triumphteam.gui.guis.ScrollingGui;
+import io.papermc.paper.command.brigadier.CommandSourceStack;
+import net.kyori.adventure.text.Component;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemStack;
+
+public class SendItemCommandEvent {
+    public static int openPlayerSelectionMenu(CommandContext<CommandSourceStack> ctx) {
+        if (ctx.getSource().getExecutor() == null) {
+            throw new IllegalStateException("Command can only be executed by a player");
+        }
+        if (Bukkit.getOnlinePlayers().size() <= 1) {
+            ctx.getSource().getSender().sendMessage(Component.text("No other players online"));
+            return 0;
+        }
+        if (ctx.getSource().getExecutor() instanceof Player player) {
+            ScrollingGui gui = Gui.scrolling()
+                    .title(Component.text("Select recipient!"))
+                    .rows(3)
+                    .pageSize(18)
+                    .create();
+
+            Bukkit.getOnlinePlayers()
+                    .stream()
+                    .filter(p -> !p.getUniqueId().equals(player.getUniqueId()))
+                    .forEach(p -> gui.addItem(new HeadItem(p.getPlayerProfile(), event -> {
+                        event.getClickedInventory().close();
+                        openItemSelectionMenu(player, p);
+                    })));
+
+            gui.setDefaultClickAction(event -> event.setCancelled(true));
+            gui.setItem(3, 3, new HeadItem(HeadItem.ARROW_UP, _ -> gui.previous()));
+            gui.setItem(3, 7, new HeadItem(HeadItem.ARROW_DOWN, _ -> gui.next()));
+            gui.getFiller().fillBottom(ItemBuilder.from(Material.BLACK_STAINED_GLASS_PANE).asGuiItem());
+
+            gui.open(player);
+
+            return 0;
+        } else {
+            throw new IllegalStateException("Command can only be executed by a player");
+        }
+    }
+
+    public static void openItemSelectionMenu(Player player, Player recipient) {
+        Gui gui = Gui.gui()
+                .title(Component.text("Select items to send to " + recipient.getName()))
+                .rows(6)
+                .create();
+
+        gui.setItem(6, 1, ItemBuilder.from(Material.RED_STAINED_GLASS_PANE).name(Component.text("Cancel")).asGuiItem(event -> cancelSend(event, gui, player)));
+        gui.setItem(6, 9, ItemBuilder.from(Material.GREEN_STAINED_GLASS_PANE).name(Component.text("Send Items")).asGuiItem(event -> sendItems(event, gui, player, recipient)));
+        gui.getFiller().fillBottom(new GuiItem(Material.BLACK_STAINED_GLASS_PANE));
+
+        gui.open(player);
+    }
+
+    public static void sendItems(InventoryClickEvent event, Gui gui, Player player, Player recipient) {
+        event.setCancelled(true);
+        gui.close(player);
+        if (recipient.isOnline()) {
+            dropAtPlayer(recipient, gui.getInventory().getStorageContents());
+            player.sendMessage(Component.text("Sent items to " + recipient.getName()));
+        } else {
+            dropAtPlayer(player, gui.getInventory().getStorageContents());
+            player.sendMessage(Component.text("Recipient is no longer online, so we dropped your items at your location"));
+        }
+    }
+
+    private static void dropAtPlayer(Player player, ItemStack[] stacks) {
+        var location = player.getLocation();
+        for (ItemStack stack : stacks) {
+            location.getWorld().dropItem(location, stack);
+        }
+    }
+
+    private static void cancelSend(InventoryClickEvent event, Gui gui, Player player) {
+        event.setCancelled(true);
+        gui.close(player);
+        dropAtPlayer(player, gui.getInventory().getStorageContents());
+        player.sendPlainMessage("Cancelled sending items to " + player.getName());
+    }
+}

src/main/java/de/oryfox/plugins/helpers/HeadItem.java

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+package de.oryfox.plugins.helpers;
+
+import com.destroystokyo.paper.profile.PlayerProfile;
+import dev.triumphteam.gui.components.GuiAction;
+import dev.triumphteam.gui.guis.GuiItem;
+import net.kyori.adventure.text.Component;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.SkullMeta;
+
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.UUID;
+
+public class HeadItem extends GuiItem {
+
+    public static final PlayerProfile ARROW_UP = profile("https://textures.minecraft.net/texture/ac5c7e53695d88f4d31f52f43fac609ad9e62bc97d49fc504174dfdb84150c39", "Previous");
+    public static final PlayerProfile ARROW_DOWN = profile("https://textures.minecraft.net/texture/8c89aa29cb50359c9ac573e86c8eb0721197796cfab43ff5ce173385b9df2ed1", "Next");
+
+    public static PlayerProfile profile(String url, String displayName) {
+        var profile = Bukkit.createProfile(UUID.randomUUID(), displayName);
+        var textures = profile.getTextures();
+        try {
+            textures.setSkin(URI.create(url).toURL());
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
+        }
+        profile.setTextures(textures);
+        return profile;
+    }
+
+    public HeadItem(PlayerProfile profile, GuiAction<InventoryClickEvent> action) {
+        var itemStack = new ItemStack(Material.PLAYER_HEAD);
+        itemStack.editMeta((meta) -> {
+            if (meta instanceof SkullMeta skullMeta) {
+                skullMeta.setPlayerProfile(profile);
+                skullMeta.displayName(Component.text(NullHelper.or(profile.getName(), "Unknown Player")));
+            }
+        });
+        super(itemStack);
+        setAction(action);
+    }
+}

src/main/java/de/oryfox/plugins/helpers/NullHelper.java

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+package de.oryfox.plugins.helpers;
+
+public class NullHelper {
+    public static String or(String value, String defaultValue) {
+        return value == null ? defaultValue : value;
+    }
+}

src/main/java/de/oryfox/plugins/menu/PlayerSelectMenu.java

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+package de.oryfox.plugins.menu;
+
+public class PlayerSelectMenu {
+}

src/main/resources/paper-plugin.yml

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+name: Inventory-Tools
+version: 1.0.0
+main: de.oryfox.plugins.InventoryTools
+api-version: '1.21'