Formatting fix

src/main/java/io/github/thebusybiscuit/slimefun4/api/events/PreCanUnlockResearchEvent.java

@@ -13,17 +13,7 @@ import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
 
 import javax.annotation.Nonnull;
-
+import javax.annotation.ParametersAreNonnullByDefault;
-public class PreCanUnlockResearchEvent extends Event implements Cancellable {
-
-    private static final HandlerList handlers = new HandlerList();
-    private boolean cancelled = false;
-
-    private final Player player;
-    private final Research research;
-    private final PlayerProfile profile;
-    private final SlimefunItem slimefunItem;
-    private final Category category;
 
 /**
  * This {@link Event} is called whenever a {@link Player} click to unlock a research.
@@ -36,41 +26,42 @@ public class PreCanUnlockResearchEvent extends Event implements Cancellable {
  * @see BookSlimefunGuide
  *
  */
-    public PreCanUnlockResearchEvent(@Nonnull Player p, @Nonnull Research research, @Nonnull PlayerProfile profile, @Nonnull SlimefunItem slimefunItem, @Nonnull Category category) {
+public class PreCanUnlockResearchEvent extends Event implements Cancellable {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private final Player player;
+    private final Research research;
+    private final SlimefunItem slimefunItem;
+
+    private boolean cancelled;
+
+
+    @ParametersAreNonnullByDefault
+    public PreCanUnlockResearchEvent(Player p, Research research, SlimefunItem slimefunItem) {
         Validate.notNull(p, "The Player cannot be null");
         Validate.notNull(research, "Research cannot be null");
-        Validate.notNull(profile, "PlayerProfile cannot be null");
         Validate.notNull(slimefunItem, "SlimefunItem cannot be null");
-        Validate.notNull(category, "Category cannot be null");
 
         this.player = p;
         this.research = research;
-        this.profile = profile;
         this.slimefunItem = slimefunItem;
-        this.category = category;
     }
 
     @Nonnull
     public Player getPlayer() {
-        return this.player;
+        return player;
-    }
-    @Nonnull
-    public Research getResearch() {
-        return this.research;
-    }
-    @Nonnull
-    public PlayerProfile getProfile() {
-        return this.profile;
-    }
-    @Nonnull
-    public SlimefunItem getSlimefunItem() {
-        return this.slimefunItem;
-    }
-    @Nonnull
-    public Category getCategory() {
-        return this.category;
     }
 
+    @Nonnull
+    public Research getResearch() {
+        return research;
+    }
+
+    @Nonnull
+    public SlimefunItem getSlimefunItem() {
+        return slimefunItem;
+    }
 
     @Nonnull
     public static HandlerList getHandlerList() {

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/guide/BookSlimefunGuide.java

@@ -242,8 +242,9 @@ public class BookSlimefunGuide implements SlimefunGuideImplementation {
                 if (profile.hasUnlocked(research)) {
                     openCategory(profile, category, page);
                 } else {
-                    PreCanUnlockResearchEvent event = new PreCanUnlockResearchEvent(p,research,profile,item,category);
+                    PreCanUnlockResearchEvent event = new PreCanUnlockResearchEvent(p, research, item);
                     Bukkit.getPluginManager().callEvent(event);
+
                     if (!event.isCancelled()) {
                         if (research.canUnlock(p)) {
                             unlockItem(p, item, pl -> openCategory(profile, category, page));
@@ -252,7 +253,6 @@ public class BookSlimefunGuide implements SlimefunGuideImplementation {
                         }
                     }
                 }
-
             }
         });
     }

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/guide/ChestSlimefunGuide.java

@@ -289,8 +289,9 @@ public class ChestSlimefunGuide implements SlimefunGuideImplementation {
                     if (profile.hasUnlocked(research)) {
                         openCategory(profile, category, page);
                     } else {
-                        PreCanUnlockResearchEvent event = new PreCanUnlockResearchEvent(p,research,profile,sfitem,category);
+                        PreCanUnlockResearchEvent event = new PreCanUnlockResearchEvent(p, research, sfitem);
                         Bukkit.getPluginManager().callEvent(event);
+
                         if (!event.isCancelled()) {
                             if (research.canUnlock(pl)) {
                                 unlockItem(pl, sfitem, player -> openCategory(profile, category, page));
@@ -301,7 +302,6 @@ public class ChestSlimefunGuide implements SlimefunGuideImplementation {
                     }
 
                 }
-
                 return false;
             });
         } else {