Cleanup permission calculation

bukkit/src/main/java/me/lucko/luckperms/bukkit/calculators/AttachmentProcessor.java

@@ -44,10 +44,8 @@ public class AttachmentProcessor implements PermissionProcessor {
             return Tristate.UNDEFINED;
         }
 
-        if (m.containsKey(permission)) {
-            return Tristate.fromBoolean(m.get(permission).getValue());
-        }
-        return Tristate.UNDEFINED;
+        PermissionAttachmentInfo pai = m.get(permission);
+        return pai == null ? Tristate.UNDEFINED : Tristate.fromBoolean(pai.getValue());
     }
 
 }

bukkit/src/main/java/me/lucko/luckperms/bukkit/calculators/AutoOPListener.java

@@ -28,6 +28,7 @@ import me.lucko.luckperms.bukkit.inject.LPPermissible;
 import org.bukkit.entity.Player;
 
 import java.util.Map;
+import java.util.Optional;
 
 public class AutoOPListener implements ContextListener<Player> {
 
@@ -39,7 +40,7 @@ public class AutoOPListener implements ContextListener<Player> {
         }
 
         Map<String, Boolean> backing = permissible.getUser().getUserData().getPermissionData(permissible.calculateContexts()).getImmutableBacking();
-        boolean op = backing.containsKey("luckperms.autoop") && backing.get("luckperms.autoop");
+        boolean op = Optional.ofNullable(backing.get("luckperms.autoop")).orElse(false);
         subject.setOp(op);
     }
 

bukkit/src/main/java/me/lucko/luckperms/bukkit/calculators/DefaultsProcessor.java

@@ -41,10 +41,6 @@ public class DefaultsProcessor implements PermissionProcessor {
         }
 
         Permission defPerm = Bukkit.getServer().getPluginManager().getPermission(permission);
-        if (defPerm != null) {
-            return Tristate.fromBoolean(defPerm.getDefault().getValue(isOp));
-        } else {
-            return Tristate.UNDEFINED;
-        }
+        return defPerm == null ? Tristate.UNDEFINED : Tristate.fromBoolean(defPerm.getDefault().getValue(isOp));
     }
 }

bukkit/src/main/java/me/lucko/luckperms/bukkit/calculators/DefaultsProvider.java

@@ -97,11 +97,9 @@ public class DefaultsProvider {
 
     public Tristate hasDefault(String permission, boolean isOp) {
         Map<String, Boolean> map = isOp ? op : nonOp;
-        if (!map.containsKey(permission)) {
-            return Tristate.UNDEFINED;
-        }
 
-        return Tristate.fromBoolean(map.get(permission));
+        Boolean b = map.get(permission);
+        return b == null ? Tristate.UNDEFINED : Tristate.fromBoolean(b);
     }
 
     @AllArgsConstructor