#ifndef DDSCROLLBUFFER_H
#define DDSCROLLBUFFER_H
-#include "vb_types.h"
-#include "vb_defs.h"
-#include "vb_vars.h"
-#include "vb_lib.h"
-
#include "global.h"
+
extern long mScrollX, mScrollY;
+extern long mScrollX_last, mScrollY_last;
extern boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
extern void InitScrollPlayfield();
extern void UpdatePlayfield();
+extern void RestorePlayfield();
-extern void DDScrollBuffer_Blt_Ext(Bitmap *);
-extern void DDScrollBuffer_Blt();
-extern void DDScrollBuffer_Cls(int BackColor);
-extern long DDScrollBuffer_CreateAtSize(long Width, long Height, long hWndViewPort);
-extern long DDScrollBuffer_Get_DestXOff();
-extern long DDScrollBuffer_Get_DestYOff();
-extern int DDScrollBuffer_Get_Height();
-extern DirectDrawSurface7 DDScrollBuffer_Get_Surface();
-extern long DDScrollBuffer_Get_Width();
-extern void DDScrollBuffer_Let_DestXOff(long NewVal);
-extern void DDScrollBuffer_Let_DestYOff(long NewVal);
extern void DDScrollBuffer_ScrollTo(int X, int Y);
extern void DDScrollBuffer_ScrollTowards(int X, int Y, double Step);
extern void DDScrollBuffer_SoftScrollTo(int X, int Y, long TimeMS, int FPS);