mirror of
https://github.com/libretro/scummvm.git
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153 lines
4.1 KiB
C++
153 lines
4.1 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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* Additional copyright for this file:
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* Copyright (C) 1995-1997 Presto Studios, Inc.
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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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* 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 PEGASUS_HOTSPOT_H
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#define PEGASUS_HOTSPOT_H
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#include "common/list.h"
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#include "common/rect.h"
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#include "pegasus/constants.h"
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#include "pegasus/types.h"
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#include "pegasus/util.h"
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/*
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Hot spots combine a pixel area, an ID value and an active flag.
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A point is considered in a hot spot if the point is in the hot spot's pixel area and
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the active flag is set.
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In addition, hot spots have a 32 bit word of bit flags for filtering use.
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*/
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namespace Common {
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class ReadStream;
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}
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namespace Pegasus {
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// Our implementation of QuickDraw regions
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class Region {
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public:
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Region() {}
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Region(Common::ReadStream *stream);
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Region(const Common::Rect &rect);
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Common::Rect getBoundingBox() const { return _bounds; }
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bool pointInRegion(const Common::Point &point) const;
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void moveTo(CoordType h, CoordType v);
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void moveTo(const Common::Point &point);
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void translate(CoordType h, CoordType v);
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void translate(const Common::Point &point);
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void getCenter(CoordType &h, CoordType &v) const;
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void getCenter(Common::Point &point) const;
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private:
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Common::Rect _bounds;
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struct Run {
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uint16 start, end;
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};
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class Vector : public Common::List<Run> {
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public:
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uint16 y;
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};
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Common::List<Vector> _vectors;
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};
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class Hotspot : public IDObject {
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public:
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Hotspot(const HotSpotID);
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virtual ~Hotspot();
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void setArea(const Region ®ion) { _spotArea = region; }
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void setArea(const Common::Rect &);
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void setArea(const CoordType, const CoordType, const CoordType, const CoordType);
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void getBoundingBox(Common::Rect &) const;
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void getArea(Region &) const;
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void getCenter(Common::Point&) const;
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void getCenter(CoordType&, CoordType&) const;
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void moveSpotTo(const CoordType, const CoordType);
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void moveSpotTo(const Common::Point);
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void moveSpot(const CoordType, const CoordType);
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void moveSpot(const Common::Point);
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bool pointInSpot(const Common::Point) const;
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void setActive();
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void setInactive();
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bool isSpotActive() const;
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HotSpotFlags getHotspotFlags() const;
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void setHotspotFlags(const HotSpotFlags);
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void setMaskedHotspotFlags(const HotSpotFlags flags, const HotSpotFlags mask);
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protected:
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Region _spotArea;
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HotSpotFlags _spotFlags;
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bool _spotActive;
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};
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class HotspotList : public Common::List<Hotspot *> {
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public:
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HotspotList();
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virtual ~HotspotList();
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void deleteHotspots();
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Hotspot *findHotspot(const Common::Point);
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HotSpotID findHotspotID(const Common::Point);
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Hotspot *findHotspotByID(const HotSpotID);
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Hotspot *findHotspotByMask(const HotSpotFlags);
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void activateMaskedHotspots(const HotSpotFlags = kNoHotSpotFlags);
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void deactivateAllHotspots();
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void deactivateMaskedHotspots(const HotSpotFlags);
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void activateOneHotspot(const HotSpotID);
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void deactivateOneHotspot(const HotSpotID);
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void removeOneHotspot(const HotSpotID);
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void removeMaskedHotspots(const HotSpotFlags = kNoHotSpotFlags);
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void setHotspotRect(const HotSpotID, const Common::Rect&);
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void getHotspotRect(const HotSpotID, Common::Rect&);
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};
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typedef HotspotList::iterator HotspotIterator;
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#define g_allHotspots (((PegasusEngine *)g_engine)->getAllHotspots())
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} // End of namespace Pegasus
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#endif
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