Action nodes work better now

src/gamedata/PlayerActionModule.h

@@ -60,12 +60,39 @@ public:
 };
 struct PlayerActionModule {
     struct ActionWordHandler {
-        virtual void operator()(flecs::entity town, int index,
-                    const Ogre::String &word) = 0;
+        /** actor is -1 for player >=0 for NPCs */
+        virtual void operator()(int actor, flecs::entity town, int index,
+                    const Ogre::String &word, int actionNode) = 0;
+    };
+    struct ActivatedWordHandler {
+        enum {OK = 0, BUSY, ERROR};
+    private:
+        bool active;
+    public:
+        ActivatedWordHandler(): active(false) {}
+        int _update(float delta)
+        {
+            if (!active) {
+                enter();
+                active = true;
+            }
+            int ret = update(delta);
+            if (ret != BUSY) {
+                exit(ret);
+                active = false;
+            }
+            return ret;
+        }
+        virtual ~ActivatedWordHandler() {}
+        bool _is_active() {return active;}
+    private:
+        virtual void enter() = 0;
+        virtual void exit(int result) = 0;
+        virtual int update(float delta) = 0;
     };
-
     std::multimap<Ogre::String, ActionWordHandler *>
         actionWords;
+    std::multimap<Ogre::String, ActivatedWordHandler *> activatedWords;
 
     PlayerActionModule(flecs::world &ecs);
     void addWordHandler(const Ogre::String &word, ActionWordHandler *handler);
@@ -73,6 +100,8 @@ struct PlayerActionModule {
     void addLuaWordHandler(const Ogre::String &word, lua_State *L, int ref);
     void removeLuaWordHandler(const Ogre::String &word, lua_State *L, int ref);
     int setupLuaActionHandler(lua_State *L);
+    void addActivatedWordHandler(const Ogre::String &word, ActivatedWordHandler *handler);
+    void removeActivatedWordHandler(const Ogre::String &word, ActivatedWordHandler *handler);
 };
 }