did a bit of refactoring

src/main/java/net/nuggetmc/tplus/utils/PlayerUtils.java

@@ -0,0 +1,88 @@
+package net.nuggetmc.tplus.utils;
+
+import net.nuggetmc.tplus.TerminatorPlus;
+import org.bukkit.GameMode;
+import org.bukkit.Location;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.Set;
+
+public class PlayerUtils {
+
+    public static boolean isInvincible(GameMode mode) {
+        return mode != GameMode.SURVIVAL && mode != GameMode.ADVENTURE && mode != null;
+    }
+
+    private static final Set<String> USERNAME_CACHE = new HashSet<>();
+
+    public static String randomName() {
+        if (USERNAME_CACHE.isEmpty()) {
+            fillUsernameCache();
+        }
+
+        return MathUtils.getRandomSetElement(USERNAME_CACHE);
+    }
+
+    public static void fillUsernameCache() {
+        String file = TerminatorPlus.getInstance().getServer().getWorldContainer().getAbsolutePath();
+        file = file.substring(0, file.length() - 1) + "usercache.json";
+
+        JSONParser parser = new JSONParser();
+
+        try {
+            JSONArray array = (JSONArray) parser.parse(new FileReader(file));
+
+            for (Object obj : array) {
+                JSONObject jsonOBJ = (JSONObject) obj;
+                String username = (String) jsonOBJ.get("name");
+
+                USERNAME_CACHE.add(username);
+            }
+        }
+
+        catch (IOException | ParseException e) {
+            Debugger.log("Failed to fetch from the usercache.");
+        }
+    }
+
+    public static Location findAbove(Location loc, int amount) {
+        boolean check = false;
+
+        for (int i = 0; i <= amount; i++) {
+            if (loc.clone().add(0, i, 0).getBlock().getType().isSolid()) {
+                check = true;
+                break;
+            }
+        }
+
+        if (check) {
+            return loc;
+        } else {
+            return loc.clone().add(0, amount, 0);
+        }
+    }
+
+    public static Location findBottom(Location loc) {
+        loc.setY(loc.getBlockY());
+
+        for (int i = 0; i < 255; i++) {
+            Location check = loc.clone().add(0, -i, 0);
+
+            if (check.getY() <= 0) {
+                break;
+            }
+
+            if (check.getBlock().getType().isSolid()) {
+                return check.add(0, 1, 0);
+            }
+        }
+
+        return loc;
+    }
+}