boolean requirement

src/main/java/com/extendedclip/deluxemenus/config/DeluxeMenusConfig.java

@@ -1194,6 +1194,19 @@ private RequirementList getRequirements(FileConfiguration c, String path) {
                         );
                     }
                     break;
+                case BOOLEAN:
+                case REVERSE_BOOLEAN:
+                    if (c.contains(rPath + ".input")) {
+                        invert = type == RequirementType.REVERSE_BOOLEAN;
+                        req = new BooleanRequirement(c.getString(rPath + ".input"), invert);
+                    } else {
+                        DeluxeMenus.debug(
+                                DebugLevel.HIGHEST,
+                                Level.WARNING,
+                                "Boolean requirement at path: " + rPath + " does not contain a input: entry"
+                        );
+                    }
+                    break;
                 case JAVASCRIPT:
                     if (c.contains(rPath + ".expression")) {
                         req = new JavascriptRequirement(c.getString(rPath + ".expression"));

src/main/java/com/extendedclip/deluxemenus/requirement/BooleanRequirement.java

@@ -0,0 +1,29 @@
+package com.extendedclip.deluxemenus.requirement;
+
+import com.extendedclip.deluxemenus.menu.MenuHolder;
+
+public class BooleanRequirement extends Requirement {
+
+  private final String bool;
+  private final boolean invert;
+
+  public BooleanRequirement(String bool, boolean invert) {
+    this.bool = bool;
+    this.invert = invert;
+  }
+
+  @Override
+  public boolean evaluate(MenuHolder holder) {
+    String check = holder.setPlaceholdersAndArguments(bool);
+    try {
+      boolean bool = Boolean.parseBoolean(check);
+      if (invert) {
+        return !bool;
+      } else {
+        return bool;
+      }
+    } catch (Exception e) {
+      return false;
+    }
+  }
+}

src/main/java/com/extendedclip/deluxemenus/requirement/RequirementType.java

@@ -53,6 +53,10 @@ public enum RequirementType {
       "Checks if a string does not contain another string", Arrays.asList("input", "output")),
   STRING_EQUALS(Arrays.asList("string equals", "stringequals", "equals"),
       "Checks if a string equals another string", Arrays.asList("input", "output")),
+  BOOLEAN(Arrays.asList("boolean", "bool"),
+          "Checks if a player has a set amount of permissions", Collections.singletonList("input")),
+  REVERSE_BOOLEAN(Arrays.asList("!boolean", "!bool"),
+          "Checks if a player has a set amount of permissions", Collections.singletonList("input")),
   STRING_DOES_NOT_EQUAL(Arrays.asList("!string equals", "!stringequals", "!equals"),
       "Checks if a string does not equal another string", Arrays.asList("input", "output")),
   STRING_EQUALS_IGNORECASE(