implement action redo

2018-05-10 22:32:34 +02:00
parent f31e22631a
commit 4f55b477da
6 changed files with 66 additions and 2 deletions
--- a/engine/action.h
+++ b/engine/action.h
@@ -5,6 +5,7 @@ class Action
 public:
    virtual void run() = 0;
    virtual void undo() = 0;
+    virtual Action* get_redo() = 0;
    virtual size_t memory() = 0;
    virtual ~Action(){};
 };
@@ -14,9 +15,11 @@ class ActionManager
 public:
    static ActionManager I;
    std::stack<std::unique_ptr<Action>> m_actions;
+    std::stack<std::unique_ptr<Action>> m_redos;
    size_t m_memory = 0;
    static void add(Action* action);
    static void undo();
+    static void redo();
    static void clear();
    static bool empty()
    {