ActionElement.h: Replace defines, remove superfluous ";"

Defines do not follow scope rules, but enums do. Enum classes
even utilize strong type checking (but i am not sure about compiler
support for c++11 on all target platforms).

projects/mtg/include/ActionElement.h

@@ -9,10 +9,6 @@
 #include <JGui.h>
 #include "MTGDefinitions.h"
 
-#define INACTIVE 0
-#define ACTION_REQUESTED 1
-#define ACTIVE 2
-
 class MTGCardInstance;
 class ManaCost;
 class Targetable;
@@ -22,31 +18,33 @@ class WEvent;
 class ActionElement: public JGuiObject
 {
 protected:
-    int activeState;
+    enum Activity{
+        Inactive,
+        ActionRequested,
+        Active
+    };
+
+    Activity activity;
     TargetChooser * tc;
 public:
     GamePhase currentPhase;
     GamePhase newPhase;
     int modal;
     int waitingForAnswer;
-    int getActivity();
-    virtual void Update(float){};
-    virtual void Render(){};
+    virtual void Update(float){}
+    virtual void Render(){}
     virtual int testDestroy()
     {
         return 0;
     }
-    ;
     virtual int destroy()
     {
         return 0;
     }
-    ;
     virtual bool CheckUserInput(JButton)
     {
         return false;
     }
-    ;
     ActionElement(int id);
     ActionElement(const ActionElement& copyFromMe);
     TargetChooser * getActionTc(){return tc;}
@@ -62,27 +60,22 @@ public:
     {
         return 0;
     }
-    ;
     virtual int stillInUse(MTGCardInstance *)
     {
         return 0;
     }
-    ;
     virtual int receiveEvent(WEvent *)
     {
         return 0;
     }
-    ;
     virtual int reactToClick(MTGCardInstance *)
     {
         return 0;
     }
-    ;
     virtual const char * getMenuText()
     {
         return "Ability";
     }
-    ;
     virtual ActionElement * clone() const = 0;
 
 };