0.3.22.22 NPCs, Conig, Mojang and GUI.

Author: BuildTools

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.exortions</groupId>
     <artifactId>ExosPluginUtils</artifactId>
-    <version>0.3.20.22</version>
+    <version>0.3.22.22</version>
         <description>ExosPluginUtils, or PluginUtils for short, is a simple, easy-to-use
             library that saves many Minecraft Spigot developers a lot of time when creating
             plugins. It allows Spigot developers to create a lot of NMS

src/main/java/com/exortions/pluginutils/config/Configuration.java

@@ -19,6 +19,7 @@ public class Configuration {
 
     @Getter
     private final FileConfiguration config;
+    @Getter
     private final File file;
 
     /**
@@ -32,19 +33,27 @@ public Configuration(JavaPlugin plugin, String path) {
         config = YamlConfiguration.loadConfiguration(file);
     }
 
+    public boolean createFile() throws IOException {
+        return file.createNewFile();
+    }
+
     public Object get(String path) {
         return config.get(path);
     }
 
-    public void set(String path, Object o) {
+    public void set(String path, Object o, boolean save) {
         try {
             config.set(path, o);
-            config.save(file);
+            if(save) config.save(file);
         } catch (IOException e){
             e.printStackTrace();
         }
     }
 
+    public void save() throws IOException {
+        config.save(file);
+    }
+
     public String getString(String path) {
         return (String) get(path);
     }

src/main/java/com/exortions/pluginutils/example/ExamplePlugin.java

@@ -2,10 +2,10 @@
 
 import com.exortions.pluginutils.command.CommandUtils;
 import com.exortions.pluginutils.listener.ListenerUtils;
-import com.exortions.pluginutils.npc.NPC;
 import com.exortions.pluginutils.startup.StartupUtils;
 import lombok.Getter;
 import lombok.Setter;
+import net.minecraft.server.v1_16_R3.EntityPlayer;
 import org.bukkit.Bukkit;
 import org.bukkit.event.Listener;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -22,7 +22,7 @@ public class ExamplePlugin extends JavaPlugin implements Listener {
     @Getter @Setter
     private HashMap<UUID, Integer> explosiveStickCooldowns;
     @Getter @Setter
-    private List<NPC> npcs;
+    private List<EntityPlayer> npcs;
 
     @Override
     public void onEnable() {

src/main/java/com/exortions/pluginutils/example/commands/NPCCommand.java

@@ -5,6 +5,7 @@
 import com.exortions.pluginutils.command.PluginCommand;
 import com.exortions.pluginutils.example.ExamplePlugin;
 import com.exortions.pluginutils.npc.NPC;
+import net.minecraft.server.v1_16_R3.EntityPlayer;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 
@@ -14,15 +15,15 @@
 public class NPCCommand extends PluginCommand {
     @Override
     public void execute(Player player, String[] args) {
-        List<NPC> npcs = ExamplePlugin.getPlugin().getNpcs();
+        List<EntityPlayer> npcs = ExamplePlugin.getPlugin().getNpcs();
         if(args.length == 1) { // Create npc with player's skin.
             NPC npc = new NPC(player.getLocation(), ChatUtils.colorize(args[0]), player.getDisplayName());
-            npcs.add(npc);
+            npcs.add(npc.getNpc());
             ExamplePlugin.getPlugin().setNpcs(npcs);
             npc.sendPacketToAllPlayers();
         } else if(args.length == 2) { // Create npc with specified skin.
             NPC npc = new NPC(player.getLocation(), ChatUtils.colorize(args[0]), args[1]);
-            npcs.add(npc);
+            npcs.add(npc.getNpc());
             ExamplePlugin.getPlugin().setNpcs(npcs);
             npc.sendPacketToAllPlayers();
         } else {

src/main/java/com/exortions/pluginutils/example/listeners/EventListener.java

@@ -2,7 +2,9 @@
 
 import com.exortions.pluginutils.bossbar.BossbarUtils;
 import com.exortions.pluginutils.example.ExamplePlugin;
+import com.exortions.pluginutils.npc.PacketReader;
 import com.exortions.pluginutils.scoreboard.ScoreboardUtils;
+import com.exortions.pluginutils.scoreboard.TeamUtils;
 import com.exortions.pluginutils.tablist.TablistUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
@@ -12,12 +14,17 @@
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.scheduler.BukkitRunnable;
 
 public class EventListener implements Listener {
 
     @EventHandler
     public void onPlayerJoin(PlayerJoinEvent e) {
+        // The next two lines are required for NPC Events to fire.
+        PacketReader reader = new PacketReader();
+        reader.inject(e.getPlayer(), ExamplePlugin.getPlugin().getNpcs());
+
         ScoreboardUtils scoreboard = new ScoreboardUtils(Bukkit.getScoreboardManager(), e.getPlayer());
         scoreboard.setTitle("&e&lSTATS");
         scoreboard.addLines("&e" + Bukkit.getServer().getOnlinePlayers().size() + "/" + Bukkit.getServer().getMaxPlayers(),
@@ -56,6 +63,16 @@ public void run() {
         bossbar.addFlag(BarFlag.DARKEN_SKY);
         bossbar.setVisible(true);
         bossbar.addPlayer(e.getPlayer());
+
+        TeamUtils team = new TeamUtils("adminrank");
+        team.setPrefix("&c[ADMIN] ");
+        team.addPlayer(e.getPlayer());
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent e) {
+        PacketReader reader = new PacketReader();
+        reader.uninject(e.getPlayer());
     }
 
 }

src/main/java/com/exortions/pluginutils/gui/GUIContainer.java

@@ -0,0 +1,16 @@
+package com.exortions.pluginutils.gui;
+
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.inventory.Inventory;
+
+public abstract class GUIContainer {
+
+    public Inventory inv;
+
+    public abstract void init();
+
+    public void open(final HumanEntity humanEntity) {
+        humanEntity.openInventory(inv);
+    }
+
+}

src/main/java/com/exortions/pluginutils/mojang/SkinUtils.java

@@ -1,5 +1,6 @@
 package com.exortions.pluginutils.mojang;
 
+import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import org.bukkit.entity.Player;
@@ -8,8 +9,56 @@
 import java.io.InputStreamReader;
 import java.net.URL;
 
+/**
+ * @author Exortions
+ * @since 0.3.18.22
+ */
 public class SkinUtils {
 
+    public static String getPropertyByPlayer(Player player, String property) throws IOException {
+        URL url = new URL("https://api.mojang.com/users/profiles/minecraft/" + player.getDisplayName());
+        InputStreamReader reader = new InputStreamReader(url.openStream());
+        return new JsonParser().parse(reader).getAsJsonObject().get(property).getAsString();
+    }
+
+    public static JsonElement getPropertyJsonObjectByPlayer(Player player, String property) throws IOException {
+        URL url = new URL("https://api.mojang.com/users/profiles/minecraft/" + player.getDisplayName());
+        InputStreamReader reader = new InputStreamReader(url.openStream());
+        return new JsonParser().parse(reader).getAsJsonObject().get(property);
+    }
+
+    public static Object getSessionServerInfoAsJsonObjectByPlayer(Player player, Property property) throws IOException {
+        URL url = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + player.getUniqueId() + "?unasigned=false");
+        InputStreamReader reader = new InputStreamReader(url.openStream());
+        JsonObject jsonProperty = new JsonParser().parse(reader).getAsJsonObject().get("properties").getAsJsonArray().get(0).getAsJsonObject();
+        switch (property) {
+            case NAME:
+                return getPropertyJsonObjectByPlayer(player, "name");
+            case ID:
+                return getPropertyJsonObjectByPlayer(player, "id");
+            case PROPERTY:
+                return jsonProperty;
+            case PROPERTY_TEXTURE:
+                return jsonProperty.get("value").getAsString();
+            case PROPERTY_SIGNATURE:
+                return jsonProperty.get("signature").getAsString();
+            case PROPERTY_SIGNATURE_AND_TEXTURE:
+                return new String[] {jsonProperty.get("value").getAsString(), jsonProperty.get("signature").getAsString()};
+        }
+        return null;
+    }
+
+    public enum Property {
+
+        ID,
+        NAME,
+        PROPERTY,
+        PROPERTY_TEXTURE,
+        PROPERTY_SIGNATURE,
+        PROPERTY_SIGNATURE_AND_TEXTURE
+
+    }
+
     public static String[] getSkin(Player player) throws IOException {
         URL url = new URL("https://api.mojang.com/users/profiles/minecraft/" + player.getDisplayName());
         InputStreamReader reader = new InputStreamReader(url.openStream());

src/main/java/com/exortions/pluginutils/npc/NPC.java

@@ -3,6 +3,7 @@
 import com.exortions.pluginutils.mojang.SkinUtils;
 import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
+import lombok.Getter;
 import net.minecraft.server.v1_16_R3.EntityPlayer;
 import net.minecraft.server.v1_16_R3.MinecraftServer;
 import net.minecraft.server.v1_16_R3.PlayerInteractManager;
@@ -32,6 +33,7 @@ public class NPC {
 
     private final GameProfile profile;
 
+    @Getter
     private final EntityPlayer npc;
 
     /**

src/main/java/com/exortions/pluginutils/npc/PacketReader.java

@@ -17,6 +17,18 @@
 import java.util.UUID;
 
 /**
+ * An NPC Packet utility class.
+ * Usage:
+ *
+ * <code>
+ *      PlayerJoinEvent:
+ *      PacketReader reader = new PacketReader();
+ *      reader.inject(e.getPlayer());
+ *      PlayerQuitEvent:
+ *      PacketReader reader = new PacketReader();
+ *      reader.uninject(e.getPlayer());
+ * </code>
+ *
  * @author Exortions
  * @since 0.3.20.22
  */
@@ -26,18 +38,14 @@ public class PacketReader {
     Channel channel;
     public static Map<UUID, Channel> channels = new HashMap<>();
 
-    private HashMap<EntityPlayer, Integer> npcs;
+    private List<EntityPlayer> npcs;
 
     /**
-     * OnJoin:
-     * PacketReader reader = new PacketReader();
-     * reader.inject(e.getPlayer());
-     * OnQuit:
-     * PacketReader reader = new PacketReader();
-     * reader.uninject(e.getPlayer());
-     * @param player
+     * Inject packet reader into a player.
+     * @param player Player to inject packet reader to.
+     * @param npcs The list of current NPCs.
      */
-    public void inject(@NotNull Player player, @NotNull HashMap<EntityPlayer, Integer> npcs) {
+    public void inject(@NotNull Player player, @NotNull List<EntityPlayer> npcs) {
         CraftPlayer craftPlayer = (CraftPlayer) player;
         channel = craftPlayer.getHandle().playerConnection.networkManager.channel;
         channels.put(player.getUniqueId(), channel);
@@ -48,13 +56,17 @@ public void inject(@NotNull Player player, @NotNull HashMap<EntityPlayer, Intege
 
         channel.pipeline().addAfter("decoder", "PacketInjector", new MessageToMessageDecoder<PacketPlayInUseEntity>() {
             @Override
-            protected void decode(ChannelHandlerContext channel, PacketPlayInUseEntity packet, List<Object> arg) throws Exception {
+            protected void decode(ChannelHandlerContext channel, PacketPlayInUseEntity packet, List<Object> arg) {
                 arg.add(packet);
                 readPacket(player, packet);
             }
         });
     }
 
+    /**
+     * Uninject the packet reader from the Player.
+     * @param player The player to uninject the packet reader from.
+     */
     public void uninject(Player player) {
         channel = channels.get(player.getUniqueId());
         if(channel.pipeline().get("PacketInjector") != null) channel.pipeline().remove("PacketInjector");
@@ -63,23 +75,27 @@ public void uninject(Player player) {
     public void readPacket(Player player, PacketPlayInUseEntity packet) {
         if(packet.getClass().getSimpleName().equalsIgnoreCase("PacketPlayInUseEntity")) {
 
+            int id = (int) getValue(packet, "a");
+
             if(getValue(packet, "action").toString().equalsIgnoreCase("ATTACK")) {
-                // Left click
+               for (EntityPlayer npc : npcs) {
+                   if(npc.getId() == id) {
+                       Bukkit.getPluginManager().callEvent(new PlayerLeftClickNPCEvent(player, npc));
+                   }
+               }
             }
 
             if(getValue(packet, "d").toString().equalsIgnoreCase("OFF_HAND")) {
-                // Off hand
+                return;
             }
 
             if(getValue(packet, "action").toString().equalsIgnoreCase("INTERACT_AT")) {
-                // Left click
+                return;
             }
 
-            int id = (int) getValue(packet, "a");
-
             if(getValue(packet, "action").toString().equalsIgnoreCase("INTERACT")) {
                 // Right click
-                for (EntityPlayer npc : npcs.keySet()) {
+                for (EntityPlayer npc : npcs) {
                     if(npc.getId() == id) {
                         Bukkit.getPluginManager().callEvent(new PlayerRightClickNPCEvent(player, npc));
                     }

src/main/java/com/exortions/pluginutils/npc/PlayerLeftClickNPCEvent.java

@@ -0,0 +1,51 @@
+package com.exortions.pluginutils.npc;
+
+import net.minecraft.server.v1_16_R3.EntityPlayer;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Fires when a player right clicks
+ * and NPC and the player has a
+ * PacketReader injected.
+ * @author Exortions
+ * @since 0.3.20.22
+ */
+@SuppressWarnings({"FieldCanBeLocal", "unused"})
+public class PlayerLeftClickNPCEvent extends Event implements Cancellable {
+
+    private final Player player;
+    private final EntityPlayer npc;
+    private boolean isCancelled;
+
+    private static final HandlerList HANDLERS = new HandlerList();
+
+    public PlayerLeftClickNPCEvent(Player player, EntityPlayer npc) {
+        this.player = player;
+        this.npc = npc;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return isCancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean b) {
+        isCancelled = b;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLERS;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return HANDLERS;
+    }
+}