1 files changed, 77 insertions, 0 deletions
diff --git a/engines/tinsel/scroll.h b/engines/tinsel/scroll.h
new file mode 100644
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TINSEL_SCROLL_H	// prevent multiple includes
+#define TINSEL_SCROLL_H
+
+namespace Tinsel {
+
+#define SCROLLPIXELS 8	// Number of pixels to scroll per iteration
+
+#define RLDISTANCE 50	// Distance from edge that triggers a scroll
+#define UDDISTANCE 20
+
+// Number of iterations to make
+#define RLSCROLL 160	// 20*8 = 160 = half a screen
+#define UDSCROLL 100	// 12.5*8 = 100 = half a screen
+
+
+// These structures defined here so boundaries can be saved
+struct NOSCROLLB {
+	int ln;
+	int c1;
+	int c2;
+};
+
+#define MAX_HNOSCROLL	10
+#define MAX_VNOSCROLL	10
+
+struct SCROLLDATA{
+	NOSCROLLB NoVScroll[MAX_VNOSCROLL];	// Vertical no-scroll boundaries
+	NOSCROLLB NoHScroll[MAX_HNOSCROLL];	// Horizontal no-scroll boundaries
+	unsigned NumNoV, NumNoH;		// Counts of no-scroll boundaries
+};
+
+
+
+void DontScrollCursor(void);
+void DoScrollCursor(void);
+
+void SetNoScroll(int x1, int y1, int x2, int y2);
+void DropNoScrolls(void);
+
+void ScrollProcess(CORO_PARAM, const void *);
+
+void ScrollFocus(int actor);
+void ScrollTo(int x, int y, int iter);
+
+void KillScroll(void);
+
+void GetNoScrollData(SCROLLDATA *ssd);
+void RestoreNoScrollData(SCROLLDATA *ssd);
+
+} // end of namespace Tinsel
+
+#endif /* TINSEL_SCROLL_H */