#ifndef MAINFORM_H
#define MAINFORM_H
-#include "vb_types.h"
-#include "vb_defs.h"
-#include "vb_vars.h"
-#include "vb_lib.h"
-
#include "global.h"
-extern void DisplayLevel();
-extern void DrawField(int X, int Y);
-extern void DrawFieldAnimated(int X, int Y);
-extern void DrawFieldNoAnimated(int X, int Y);
-extern void DrawSprite(int X, int Y, int SpritePos);
-extern void InvalidateRect(long XMin, long YMin, long XMax, long YMax);
-extern void Let_PanelVisible(boolean NewVal);
-extern void ReLoadStretchSprites();
-extern void SaveSnapshot(currency Number);
-extern void SetDisplayRegion();
-extern void ShowKey(int KeyVar);
-extern void menDemoSpeed_Click(int Index);
-extern void menEdit_Click();
-extern void menPlaySpeed_Click(int Index);
-extern void menStop_Click();
-
-#endif /* MAINFORM_H */
+
+void DrawFrameIfNeeded(void);
+
+void DisplayLevel(void);
+void DrawField(int X, int Y);
+void DrawFieldAnimated(int X, int Y);
+void DrawFieldNoAnimated(int X, int Y);
+void DrawSprite(int X, int Y, int SpritePos);
+void DrawImage(int X, int Y, int graphic);
+
+void SetDisplayRegion(void);
+void SetScrollEdges(void);
+
+void menPlay_Click(void);
+
+void Form_Load(void);
+
+#endif // MAINFORM_H