Add Director, director::CommandList, hk::Goal and fixups

* Simulator and Director are no longer singletons.

hcore/include/simulator/commandList.h

@@ -5,7 +5,7 @@
 #include <cstdint>
 #include <mentalEntity.h>
 
-namespace scene {
+namespace simulator {
 
 /**
  * @brief Base class for all commands, storing a reference to a mental entity ID.
@@ -30,9 +30,9 @@ public:
     /**
      * @brief Used by Scene to point to the currently executing command.
      * 
-     * scene::Scene maintains an internal cursor. As it executes commands from
-     * its internal command list, it advances the cursor to the current command
-     * before executing it.
+     * simulator::Scene maintains an internal cursor. As it executes commands
+     * from its internal command list, it advances the cursor to the current
+     * command before executing it.
      */
     class Cursor
     {
@@ -67,6 +67,6 @@ public:
     std::vector<Command> commands;
 };
 
-} // namespace scene
+} // namespace simulator
 
 #endif // SIMULATOR_COMMANDLIST_H

hcore/include/simulator/scene.h

@@ -6,7 +6,7 @@
 #include <mentalEntity.h>
 #include <simulator/commandList.h>
 
-namespace scene {
+namespace simulator {
 
 class Scene
 {

hcore/include/simulator/simulator.h

@@ -7,24 +7,15 @@ namespace simulator {
 
 class Simulator {
 public:
-    Simulator(const Simulator&) = delete;
-    void operator=(const Simulator&) = delete;
-
-    static Simulator& instance()
-    {
-        static Simulator instance;
-        return instance;
-    }
-
-    void initialize();
-    void loadScene(scene::Scene::Id sceneId, scene::Scene &scene);
-
-private:
     Simulator() = default;
     ~Simulator() = default;
 
-    scene::Scene::Id sceneId;
-    scene::Scene scene;
+    void initialize();
+    void loadScene(Scene::Id sceneId, Scene &scene);
+
+private:
+    Scene::Id sceneId;
+    Scene scene;
 };
 
 }