*******************************************************************************/
-#ifndef _MOOF_ENGINE_HH_
-#define _MOOF_ENGINE_HH_
+#ifndef _MOOF_CORE_HH_
+#define _MOOF_CORE_HH_
#include <boost/shared_ptr.hpp>
#include <Moof/Dispatch.hh>
#include <Moof/Error.hh>
-#include <Moof/Video.hh>
#include <Moof/Layer.hh>
namespace Mf {
-class Settings;
-
-
/**
- * The engine is essentially a stack of layers. While running, it updates each
+ * The core is essentially a stack of layers. While running, it updates each
* layer from the bottom up every timestep. It also draws each layer from the
* bottom up, adhering to the maximum frame-rate. Events are sent to each layer
- * from the top down until a layer signals the event was handled. The engine is
- * also responsible for firing timers on time. The engine will continue running
+ * from the top down until a layer signals the event was handled. The core is
+ * also responsible for firing timers on time. The core will continue running
* as long as there are layers on the stack.
*/
-class Engine
+class Core
{
public:
- Engine();
- ~Engine() {}
+ Core();
// loads settings: rngseed, timestep, framerate, showfps
- bool initWithSettings(const Settings& settings);
-
- const Error& getError() const;
- void clearError();
-
- // setting the video is required before you can run the engine and should
- // probably be done before adding any layers
- void setVideo(VideoP video);
- VideoP getVideo() const;
+ void init();
int getFps() const;
void push(LayerP layer); // push a layer onto the top
LayerP pop(); // pop the top layer
LayerP pop(Layer* layer); // pops a specific layer and all layers above it
- void clear(); // remove all layers (the engine will stop)
+ void clear(); // remove all layers (the core will stop)
int getSize() const; // get the size of the stack
boost::shared_ptr<Impl> mImpl;
};
+extern Core core;
+
+
+/*
+ * Some classes and subsystems require certain backend libraries to be
+ * initialized. This is the mechanism to accomplish that. Classes which rely
+ * on any backend libraries just need to instantiate this class as a member.
+ * Backend cleanup will occur automagically when there are no more instances.
+ */
+
+class Backend
+{
+public:
+
+ Backend();
+ ~Backend();
-extern Engine engine;
+ static bool check(Error& error);
+};
} // namespace Mf
-#endif // _MOOF_ENGINE_HH_
+#endif // _MOOF_CORE_HH_
/** vim: set ts=4 sw=4 tw=80: *************************************************/