boolean LoadNativeLevel_BD(char *, int, boolean);
boolean SaveNativeLevel_BD(char *);
+void PreparePreviewTileBitmap_BD(Bitmap *, int);
+void SetPreviewTileBitmapReference_BD(Bitmap *);
+Bitmap *GetPreviewTileBitmap_BD(Bitmap *);
+
unsigned int InitEngineRandom_BD(int);
void InitGameEngine_BD(void);
void GameActions_BD(byte[MAX_PLAYERS]);