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cursor.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef CURSOR_H_
00024 #define CURSOR_H_
00025 
00026 #include "common/hashmap.h"
00027 #include "common/rect.h"
00028 
00029 #include "engines/myst3/gfx.h"
00030 
00031 namespace Myst3 {
00032 
00033 class Myst3Engine;
00034 class Texture;
00035 
00036 class Cursor : public Drawable {
00037 public:
00038     Cursor(Myst3Engine *vm);
00039     virtual ~Cursor();
00040 
00041     void changeCursor(uint32 index);
00042     bool isPositionLocked() { return _lockedAtCenter; }
00043     void lockPosition(bool lock);
00044 
00053     Common::Point getPosition(bool scaled = true);
00054     void updatePosition(const Common::Point &mouse);
00055 
00056     void getDirection(float &pitch, float &heading);
00057 
00058     void draw() override;
00059     void setVisible(bool show);
00060     bool isVisible();
00061 private:
00062     Myst3Engine *_vm;
00063 
00064     uint32 _currentCursorID;
00065     int32 _hideLevel;
00066 
00068     Common::Point _position;
00069 
00070     typedef Common::HashMap<uint32, Texture *> TextureMap;
00071     TextureMap _textures;
00072 
00073     bool _lockedAtCenter;
00074 
00075     void loadAvailableCursors();
00076     float getTransparencyForId(uint32 cursorId);
00077 };
00078 
00079 } // End of namespace Myst3
00080 
00081 #endif // CURSOR_H_


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