-extern st_level current_level;
-
-/* Function prototypes: */
-class Tile;
-
-Tile* gettile(float x, float y);
-int gameloop(const char * subset, int levelnb, int mode);
-void savegame(int slot);
-void loadgame(int slot);
-void slotinfo(char **pinfo, int slot);
-bool issolid(float x, float y);
-bool isbrick(float x, float y);
-bool isice(float x, float y);
-bool isfullbox(float x, float y);
-bool rectcollision(base_type* one, base_type* two);
-void drawshape(float x, float y, unsigned int c);
-unsigned int shape(float x, float y);
+
+class GameSession
+{
+ private:
+ timer_type fps_timer, frame_timer;
+
+ public:
+ GameSession(const char * subset, int levelnb, int mode);
+ int run();
+ void draw();
+ int action();
+};
+
+void activate_bad_guys(Level* plevel);
+void savegame(int slot);
+void loadgame(int slot);
+std::string slotinfo(int slot);
+
+bool rectcollision(base_type* one, base_type* two);
+void drawshape(float x, float y, unsigned int c, Uint8 alpha = 255);