Refactor and optimize redundant code across the project

Removed unused imports and variables to streamline the codebase. Consolidated lambda expressions and improved formatting for better readability. Simplified methods by removing unnecessary parameters and redundant logic.

src/main/java/com/alttd/ctf/Main.java

@@ -38,7 +38,6 @@ import java.util.stream.Collectors;
 public class Main extends JavaPlugin {
 
     private GameManager gameManager = null;
-    private Flag flag;
 
     @Override
     public void onEnable() {
@@ -53,7 +52,7 @@ public class Main extends JavaPlugin {
         this.gameManager = new GameManager(worldBorderApi);
         registerTeams(); //Skipped in reloadConfig if gameManager is not created yet
         loadPlayerStats(); //Skipped in reloadConfig if gameManager is not created yet
-        flag = new Flag(this, gameManager);
+        Flag flag = new Flag(this, gameManager);
         new CommandManager(this, gameManager, flag, worldBorderApi);
         //Ensuring immediate respawn is on in all worlds
         enableImmediateRespawn();
@@ -163,4 +162,4 @@ public class Main extends JavaPlugin {
         scheduledExecutorService.scheduleAtFixedRate(runnable, 0, 1, java.util.concurrent.TimeUnit.MINUTES);
     }
 
-}
+}

src/main/java/com/alttd/ctf/commands/subcommands/SkipPhase.java

@@ -3,16 +3,10 @@ package com.alttd.ctf.commands.subcommands;
 import com.alttd.ctf.commands.SubCommand;
 import com.alttd.ctf.config.Messages;
 import com.alttd.ctf.game.GameManager;
-import com.alttd.ctf.team.Team;
 import lombok.AllArgsConstructor;
-import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
-import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
-import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
 
 import java.util.List;
-import java.util.Optional;
 
 @AllArgsConstructor
 public class SkipPhase extends SubCommand {

src/main/java/com/alttd/ctf/config/GameConfig.java

@@ -4,7 +4,6 @@ import com.alttd.ctf.Main;
 import com.alttd.ctf.game.GamePhase;
 import lombok.extern.slf4j.Slf4j;
 import org.bukkit.Material;
-import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
 import java.time.Duration;

src/main/java/com/alttd/ctf/flag/Flag.java

@@ -195,7 +195,7 @@ public class Flag implements Runnable {
         });
     }
 
-    LinkedList<Location> particleTrail = new LinkedList<>();
+    private final LinkedList<Location> particleTrail = new LinkedList<>();
 
     private void spawnTrail() {
         TeamColor color = winningTeam.getColor();

src/main/java/com/alttd/ctf/flag/FlagTryCaptureEvent.java

@@ -9,7 +9,6 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerInteractEvent;
-import org.bukkit.inventory.EquipmentSlot;
 
 import java.util.Optional;
 

src/main/java/com/alttd/ctf/game/RunningGame.java

@@ -15,7 +15,6 @@ import java.time.Duration;
 import java.time.Instant;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Optional;
 import java.util.concurrent.ScheduledExecutorService;
 
 @Slf4j

src/main/java/com/alttd/ctf/game/phases/ClassSelectionPhase.java

@@ -23,7 +23,6 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.List;
 import java.util.Optional;
 
 @Slf4j

src/main/java/com/alttd/ctf/game/phases/EndedPhase.java

@@ -71,18 +71,17 @@ public class EndedPhase implements GamePhaseExecutor {
             return messages;
         } else if (topTeams.size() > 1) { // Draw scenario, multiple teams have the same top score
             messages.add(miniMessage.deserialize("<yellow>It's a draw! Top teams:</yellow>"));
-            topTeams.forEach(team -> {
+            topTeams.forEach(team -> messages.add(
-                messages.add(miniMessage.deserialize("<team> had <score> captures.",
+                    miniMessage.deserialize("<team> had <score> captures.",
-                        Placeholder.component("team", team.getName()),
+                                            Placeholder.component("team", team.getName()),
-                        Placeholder.parsed("score", String.valueOf(highestScore))));
+                                            Placeholder.parsed("score", String.valueOf(highestScore)))));
-            });
             addOtherTeamsScore(wins, highestScore, messages);
             return messages;
         } else { // Single winner
             Team winner = topTeams.getFirst();
             messages.add(miniMessage.deserialize("<green><team> has won with <score> captures!</green>",
-                    Placeholder.component("team", winner.getName()),
+                                                 Placeholder.component("team", winner.getName()),
-                    Placeholder.parsed("score", String.valueOf(highestScore))));
+                                                 Placeholder.parsed("score", String.valueOf(highestScore))));
             if (wins.size() <= 1) {
                 return messages;
             }
@@ -97,8 +96,8 @@ public class EndedPhase implements GamePhaseExecutor {
         wins.entrySet().stream()
                 .filter(entry -> entry.getValue() < winningScore)
                 .forEach(entry -> messages.add(miniMessage.deserialize("<yellow><team> had <score> captures.</yellow>",
-                        Placeholder.component("team", entry.getKey().getName()),
+                                                                       Placeholder.component("team", entry.getKey().getName()),
-                        Placeholder.parsed("score", String.valueOf(entry.getValue())))));
+                                                                       Placeholder.parsed("score", String.valueOf(entry.getValue())))));
     }
 
     @Override

src/main/java/com/alttd/ctf/game/phases/GatheringPhase.java

@@ -36,14 +36,13 @@ public class GatheringPhase implements GamePhaseExecutor {
             log.error("Unable to update world border due to missing Flag");
             return;
         }
-        gameManager.getTeams().forEach(team -> {
+        gameManager.getTeams()
-            team.getPlayers().forEach(teamPlayer -> {
+                .forEach(team -> team.getPlayers().forEach(teamPlayer -> {
-                Player player = Bukkit.getPlayer(teamPlayer.getUuid());
+                    Player player = Bukkit.getPlayer(teamPlayer.getUuid());
-                if (player == null || !player.isOnline()) {
+                    if (player == null || !player.isOnline()) {
-                    return;
+                        return;
-                }
+                    }
-                teamPlayer.resetWorldBorder(player, worldBorderApi, nextPhase, flag.getFlagLocation());
+                    teamPlayer.resetWorldBorder(player, worldBorderApi, nextPhase, flag.getFlagLocation());
-            });
+                }));
-        });
     }
 }

src/main/java/com/alttd/ctf/game_class/GameClassRetrieval.java

@@ -12,9 +12,7 @@ public class GameClassRetrieval {
 
     public static HashMap<Integer, List<GameClass>> getGameClassesForAllTeams(GameManager gameManager) {
         final HashMap<Integer, List<GameClass>> gameClasses = new HashMap<>();
-        gameManager.getTeams().forEach(team -> {
+        gameManager.getTeams().forEach(team -> gameClasses.put(team.getId(), getGameClassesForTeam(team)));
-            gameClasses.put(team.getId(), getGameClassesForTeam(team));
-        });
         return gameClasses;
     }
 

src/main/java/com/alttd/ctf/game_class/creation/EngineerCreator.java

@@ -2,7 +2,6 @@ package com.alttd.ctf.game_class.creation;
 
 import com.alttd.ctf.game_class.GameClass;
 import com.alttd.ctf.game_class.implementations.Engineer;
-import com.alttd.ctf.game_class.implementations.Fighter;
 import com.alttd.ctf.team.TeamColor;
 import lombok.extern.slf4j.Slf4j;
 import net.kyori.adventure.text.minimessage.MiniMessage;

src/main/java/com/alttd/ctf/game_class/creation/MageCreator.java

@@ -1,7 +1,6 @@
 package com.alttd.ctf.game_class.creation;
 
 import com.alttd.ctf.game_class.GameClass;
-import com.alttd.ctf.game_class.implementations.Fighter;
 import com.alttd.ctf.game_class.implementations.Mage;
 import com.alttd.ctf.team.TeamColor;
 import lombok.extern.slf4j.Slf4j;
@@ -10,8 +9,6 @@ import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
-import org.bukkit.inventory.meta.PotionMeta;
-import org.bukkit.potion.PotionType;
 import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Unmodifiable;

src/main/java/com/alttd/ctf/game_class/creation/TankCreator.java

@@ -1,7 +1,6 @@
 package com.alttd.ctf.game_class.creation;
 
 import com.alttd.ctf.game_class.GameClass;
-import com.alttd.ctf.game_class.implementations.Fighter;
 import com.alttd.ctf.game_class.implementations.Tank;
 import com.alttd.ctf.team.TeamColor;
 import lombok.extern.slf4j.Slf4j;

src/main/java/com/alttd/ctf/game_class/creation/TrapperCreator.java

@@ -14,7 +14,6 @@ import org.jetbrains.annotations.Unmodifiable;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.IntStream;
 
 @Slf4j
 public class TrapperCreator {

src/main/java/com/alttd/ctf/game_class/implementations/Fighter.java

@@ -1,11 +1,9 @@
 package com.alttd.ctf.game_class.implementations;
 
 import com.alttd.ctf.game_class.GameClass;
-import com.alttd.ctf.team.TeamColor;
 import lombok.extern.slf4j.Slf4j;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 

src/main/java/com/alttd/ctf/gui/GUI.java

@@ -2,8 +2,6 @@ package com.alttd.ctf.gui;
 
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.Inventory;
-import org.bukkit.inventory.Merchant;
-import org.bukkit.inventory.MerchantInventory;
 
 import java.util.HashMap;
 import java.util.UUID;

src/main/java/com/alttd/ctf/team/DiscordTeam.java

@@ -56,9 +56,7 @@ public class DiscordTeam {
         }
         Member nullableMember = guild.getMemberById(player.getDiscordID());
         if (nullableMember == null) {
-            guild.retrieveMemberById(player.getDiscordID()).queue(member -> {
+            guild.retrieveMemberById(player.getDiscordID()).queue(member -> consumer.apply(role, member));
-                consumer.apply(role, member);
-            });
         } else {
             consumer.apply(role, nullableMember);
         }
@@ -83,9 +81,7 @@ public class DiscordTeam {
             gameManager.getTeams().forEach(otherTeam ->
                     member.getRoles().stream()
                             .filter(otherRole -> otherRole.getIdLong() == otherTeam.getDiscordRole())
-                            .forEach(otherRole -> {
+                            .forEach(otherRole -> member.getGuild().removeRoleFromMember(member, otherRole).queue()));
-                                member.getGuild().removeRoleFromMember(member, otherRole).queue();
-                            }));
             member.getGuild().addRoleToMember(member, role).queue(ignored -> kickFromVoiceIfNeeded(member));
         });
     }

src/main/java/com/alttd/ctf/team/TeamScoreboard.java

@@ -2,8 +2,6 @@ package com.alttd.ctf.team;
 
 import com.alttd.ctf.game.GameManager;
 import com.alttd.ctf.game.GamePhase;
-import io.papermc.paper.scoreboard.numbers.NumberFormat;
-import net.kyori.adventure.text.event.ClickEvent;
 import net.kyori.adventure.text.format.*;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
@@ -44,17 +42,17 @@ public class TeamScoreboard {
     }
 
     protected void setScore(int newScore) {
-        Objective objective = getOrCreateObjective("teamScores", "<gold>CTF score</gold>");
+        Objective objective = getOrCreateObjective();
         Score score = objective.getScore(team.getLegacyTeamColor() +
                                          PlainTextComponentSerializer.plainText().serialize(team.getName()));
         score.setScore(newScore);
     }
 
-    private static Objective getOrCreateObjective(String internalName, String displayName) {
+    private static Objective getOrCreateObjective() {
-        Objective objective = scoreboard.getObjective(internalName);
+        Objective objective = scoreboard.getObjective("teamScores");
         if (objective == null) {
-            objective = scoreboard.registerNewObjective(internalName, Criteria.DUMMY,
+            objective = scoreboard.registerNewObjective("teamScores", Criteria.DUMMY,
-                    MiniMessage.miniMessage().deserialize(displayName));
+                                                        MiniMessage.miniMessage().deserialize("<gold>CTF score</gold>"));
             objective.setDisplaySlot(DisplaySlot.SIDEBAR);
         }
         return objective;
@@ -64,11 +62,11 @@ public class TeamScoreboard {
     private static PhaseScore phaseScore = null;
     private static void updateTime(GamePhase gamePhase, Duration duration) {
         if (phaseScore == null) {
-            phaseScore = new PhaseScore(gamePhase, getOrCreateObjective("teamScores", "<gold>CTF score</gold>")
+            phaseScore = new PhaseScore(gamePhase, getOrCreateObjective()
                     .getScore(ChatColor.GREEN + PlainTextComponentSerializer.plainText().serialize(gamePhase.getDisplayName())));
         } else if (phaseScore.gamePhase() != gamePhase) {
             phaseScore.score.resetScore();
-            phaseScore = new PhaseScore(gamePhase, getOrCreateObjective("teamScores", "<gold>CTF score</gold>")
+            phaseScore = new PhaseScore(gamePhase, getOrCreateObjective()
                     .getScore(ChatColor.GREEN + PlainTextComponentSerializer.plainText().serialize(gamePhase.getDisplayName())));
         }
         phaseScore.score.setScore(duration.toMinutesPart() == 0 ? duration.toSecondsPart() : duration.toMinutesPart());