playing with nms(failed)

pom.xml

@@ -54,6 +54,39 @@
                     <outputDirectory>D:\Server\plugins</outputDirectory>
                 </configuration>
             </plugin>
+<!--            <plugin>-->
+<!--                <groupId>net.md-5</groupId>-->
+<!--                <artifactId>specialsource-maven-plugin</artifactId>-->
+<!--                <version>1.2.2</version>-->
+<!--                <executions>-->
+<!--                    <execution>-->
+<!--                        <phase>package</phase>-->
+<!--                        <goals>-->
+<!--                            <goal>remap</goal>-->
+<!--                        </goals>-->
+<!--                        <id>remap-obf</id>-->
+<!--                        <configuration>-->
+<!--                            <srgIn>org.spigotmc:minecraft-server:1.18-R0.1-SNAPSHOT:txt:maps-mojang</srgIn>-->
+<!--                            <reverse>true</reverse>-->
+<!--                            <remappedDependencies>org.spigotmc:spigot:1.18-R0.1-SNAPSHOT:jar:remapped-mojang</remappedDependencies>-->
+<!--                            <remappedArtifactAttached>true</remappedArtifactAttached>-->
+<!--                            <remappedClassifierName>remapped-obf</remappedClassifierName>-->
+<!--                        </configuration>-->
+<!--                    </execution>-->
+<!--                    <execution>-->
+<!--                        <phase>package</phase>-->
+<!--                        <goals>-->
+<!--                            <goal>remap</goal>-->
+<!--                        </goals>-->
+<!--                        <id>remap-spigot</id>-->
+<!--                        <configuration>-->
+<!--                            <inputFile>${project.build.directory}/${project.artifactId}-${project.version}-remapped-obf.jar</inputFile>-->
+<!--                            <srgIn>org.spigotmc:minecraft-server:1.18-R0.1-SNAPSHOT:csrg:maps-spigot</srgIn>-->
+<!--                            <remappedDependencies>org.spigotmc:spigot:1.18-R0.1-SNAPSHOT:jar:remapped-obf</remappedDependencies>-->
+<!--                        </configuration>-->
+<!--                    </execution>-->
+<!--                </executions>-->
+<!--            </plugin>-->
         </plugins>
         <resources>
             <resource>
@@ -78,6 +111,7 @@
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot</artifactId>
             <version>1.18.1-R0.1-SNAPSHOT</version>
+<!--            <classifier>remapped-mojang</classifier>-->
             <scope>provided</scope>
         </dependency>
     </dependencies>

src/main/java/com/night/nullvalkyrie/Main.java

@@ -49,7 +49,7 @@ public final class Main extends JavaPlugin implements Listener {
         Bukkit.getPluginManager().registerEvents(this, this);
         Bukkit.getPluginManager().registerEvents(new MenuListener(), this);
         Bukkit.getPluginManager().registerEvents(new ScoreboardListener(this), this);
-        Bukkit.getPluginManager().registerEvents(new CustomItemEvents(), this);
+        Bukkit.getPluginManager().registerEvents(new CustomItemEvents(this), this);
         Bukkit.getPluginManager().registerEvents(new SpawnCommand(this), this);
         new EnchantmentManager();
         customItemManager = new CustomItemManager(this);

src/main/java/com/night/nullvalkyrie/commands/AnvilCommand.java

@@ -1,9 +1,15 @@
 package com.night.nullvalkyrie.commands;
 
-import org.bukkit.Bukkit;
+
+//import net.minecraft.network.protocol.game.PacketPlayOutOpenWindow;
+//import net.minecraft.server.level.EntityPlayer;
+//import net.minecraft.server.network.PlayerConnection;
+//import net.minecraft.world.inventory.Containers;
 import org.bukkit.command.CommandSender;
+//import org.bukkit.craftbukkit.v1_18_R1.entity.CraftHumanEntity;
+//import org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer;
+//import org.bukkit.craftbukkit.v1_18_R1.util.CraftChatMessage;
 import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.InventoryType;
 
 import java.util.List;
 
@@ -21,8 +27,13 @@ public class AnvilCommand extends Command {
     @Override
     public void onCommand(CommandSender sender, String[] args) {
         if(sender instanceof Player) {
-            Player player = (Player) sender;
+//            Player player = (Player) sender;
-            player.openInventory(Bukkit.createInventory(player, InventoryType.ANVIL));
+//            CraftPlayer craftPlayer = (CraftPlayer) player;
+//            EntityPlayer entityPlayer = craftPlayer.getHandle();
+//            int id = 0;
+//            PacketPlayOutOpenWindow OpenWindow = new PacketPlayOutOpenWindow(id, Containers.h, CraftChatMessage.fromStringOrNull("Test"));
+//            PlayerConnection playerConnection = entityPlayer.b;
+//            playerConnection.a(OpenWindow);
         }
     }
 

src/main/java/com/night/nullvalkyrie/commands/SpawnCommand.java

@@ -98,7 +98,7 @@ public class SpawnCommand extends Command implements Listener {
         }.runTaskTimer(main, 0L, spawnTime);
     }
 
-    private static boolean isSpawnable(Location loc) {
+    public static boolean isSpawnable(Location loc) {
         Block feetBlock = loc.getBlock(), headBlock = loc.clone().add(0, 1, 0).getBlock(), upperBlock = loc.clone().add(0, 2, 0).getBlock();
         return feetBlock.isPassable() && !feetBlock.isLiquid() && headBlock.isPassable() && !headBlock.isLiquid() && upperBlock.isPassable() && !upperBlock.isLiquid();
     }
@@ -109,7 +109,7 @@ public class SpawnCommand extends Command implements Listener {
         return random;
     }
 
-    private static int getRandomWithNeg(int size) {
+    public static int getRandomWithNeg(int size) {
         int random = (int) (Math.random() * (size + 1));
         if (Math.random() > 0.5) random *= -1;
         return random;