Initial clone in from local subversion server

Renderable.h

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+#ifndef __RENDERABLE_H__
+#define __RENDERABLE_H__
+
+#include <SDL.h>
+#include "Common.h"
+
+/**
+ * @class Renderable
+ * @brief A base class for objects that are capable of returning renderable data
+ * 
+ * This base class provides default mechanisms for an object to return renderable
+ * data, track position and velocity.
+ */
+class Renderable
+{
+protected:
+  Vector position; /**< The position of the renderable object */
+  Vector velocity; /**< The velocity (if any) of the renderable object */
+ public:
+  Renderable();
+  Vector getPosition();
+  Vector getVelocity();
+  void setPosition(Vector);
+  void setVelocity(Vector);
+  virtual SDL_Surface *nextFrame();
+};
+
+/**
+ * @class AnimatedRenderable
+ * @brief A subclass of Renderable for objects that are renderable and animated
+ *
+ * This subclass defines the interface for libgame objects that are both
+ * Renderable, but that also perform some kind of internal logic to return
+ * different surfaces each call. 
+ */
+class AnimatedRenderable : public Renderable
+{
+ protected:
+  FrameCounter frameCounter; /**< Current frame within the current animation */
+ public:
+  AnimatedRenderable();
+  FrameCounter getFrameCounter();
+  int setFrameCounter(FrameCounter fc);
+};
+
+#endif // __RENDERABLE_H__