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90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef TINSEL_SCROLL_H // prevent multiple includes
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#define TINSEL_SCROLL_H
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namespace Tinsel {
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#define SCROLLPIXELS 8 // Number of pixels to scroll per iteration
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// Distance from edge that triggers a scroll
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#define RLDISTANCE (TinselV2 ? sd.xTrigger : 50)
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#define UDISTANCE (TinselV2 ? sd.yTriggerTop : 20)
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#define DDISTANCE (TinselV2 ? sd.yTriggerBottom : 20)
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// Number of iterations to make
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#define RLSCROLL 160 // 20*8 = 160 = half a screen
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#define UDSCROLL 100 // 12.5*8 = 100 = half a screen
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// These structures defined here so boundaries can be saved
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struct NOSCROLLB {
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int ln;
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int c1;
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int c2;
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};
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#define MAX_HNOSCROLL 10
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#define MAX_VNOSCROLL 10
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struct SCROLLDATA{
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NOSCROLLB NoVScroll[MAX_VNOSCROLL]; // Vertical no-scroll boundaries
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NOSCROLLB NoHScroll[MAX_HNOSCROLL]; // Horizontal no-scroll boundaries
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unsigned NumNoV, NumNoH; // Counts of no-scroll boundaries
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// DW2 fields
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int xTrigger;
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int xDistance;
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int xSpeed;
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int yTriggerTop;
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int yTriggerBottom;
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int yDistance;
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int ySpeed;
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};
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void DontScrollCursor();
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void DoScrollCursor();
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void SetNoScroll(int x1, int y1, int x2, int y2);
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void DropScroll();
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void ScrollProcess(CORO_PARAM, const void *);
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void ScrollFocus(int actor);
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int GetScrollFocus();
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void ScrollTo(int x, int y, int xIter, int yIter);
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void KillScroll();
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void GetNoScrollData(SCROLLDATA *ssd);
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void RestoreNoScrollData(SCROLLDATA *ssd);
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void SetScrollParameters(int xTrigger, int xDistance, int xSpeed, int yTriggerTop,
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int yTriggerBottom, int yDistance, int ySpeed);
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bool IsScrolling();
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} // End of namespace Tinsel
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#endif /* TINSEL_SCROLL_H */
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