Required = !hasDefault && constant

src/main/java/com/volmit/iris/core/decrees/DecIrisStudio.java

@@ -30,7 +30,7 @@ public class DecIrisStudio implements DecreeExecutor
 {
     @Decree(description = "Open a new studio world", aliases = "o", sync = true)
     public void open(
-            @Param(name = "dimension", defaultValue = "overworld", aliases = "dim", required = true)
+            @Param(name = "dimension", defaultValue = "overworld", aliases = "dim")
                     IrisDimension dimension,
             @Param(name = "seed", defaultValue = "1337", aliases = "s")
                     long seed)

src/main/java/com/volmit/iris/util/decree/DecreeParameter.java

@@ -57,7 +57,7 @@ public class DecreeParameter {
     }
 
     public boolean isRequired() {
-        return param.required();
+        return !hasDefault();
     }
 
     public KList<String> getNames() {
@@ -80,11 +80,11 @@ public class DecreeParameter {
     }
 
     public Object getDefaultValue() throws DecreeParsingException, DecreeWhichException {
-        return param.defaultValue().isEmpty() ? null : getHandler().parse(param.defaultValue());
+        return param.defaultValue().equals(Param.REQUIRED) ? null : getHandler().parse(param.defaultValue());
     }
 
     public boolean hasDefault() {
-        return !param.defaultValue().isEmpty();
+        return !param.defaultValue().equals(Param.REQUIRED);
     }
 
     public String example() {

src/main/java/com/volmit/iris/util/decree/annotations/Param.java

@@ -28,6 +28,8 @@ import java.lang.annotation.Target;
 public @interface Param {
     String DEFAULT_DESCRIPTION = "No Description Provided";
 
+    String REQUIRED = "Required";
+
     /**
      * The main name of this command.<br>
      * Required parameter.<br>
@@ -35,8 +37,6 @@ public @interface Param {
      */
     String name();
 
-    boolean required() default false;
-
     /**
      * The description of this parameter, used in help-popups in game.<br>
      * The default value is {@link #DEFAULT_DESCRIPTION}
@@ -49,7 +49,7 @@ public @interface Param {
      * Which indicates the variable MUST be defined by the person running the command.<br>
      * If you define this, the variable automatically becomes non-required, but can still be set.
      */
-    String defaultValue() default "";
+    String defaultValue() default REQUIRED;
 
     /**
      * The aliases of this parameter (instead of just the {@link #name() name} (if specified) or Method Name (name of method))<br>

src/main/java/com/volmit/iris/util/decree/virtual/VirtualDecreeCommand.java

@@ -327,7 +327,7 @@ public class VirtualDecreeCommand {
 
             try
             {
-                if(value == null && !i.getParam().defaultValue().trim().isEmpty())
+                if(value == null && i.hasDefault())
                 {
                     value = i.getDefaultValue();
                 }