ScummVM API documentation
compass.h
1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
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8  * Copyright (C) 1995-1997 Presto Studios, Inc.
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
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15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
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23  */
24 
25 #ifndef PEGASUS_COMPASS_H
26 #define PEGASUS_COMPASS_H
27 
28 #include "pegasus/fader.h"
29 #include "pegasus/surface.h"
30 
31 namespace Pegasus {
32 
33 // Compass is defined with 0 as north, 90 east, 180 south, 270 west.
34 // Clockwise rotation increases the angle, counterclockwise rotation decreases the angle.
35 
36 class Compass : public FaderAnimation {
37 public:
38  Compass();
39  ~Compass() override;
40 
41  void initCompass();
42  void deallocateCompass();
43  bool isCompassValid() const { return _compassImage.isSurfaceValid(); }
44 
45  void setFaderValue(const int32) override;
46 
47 protected:
48  void draw(const Common::Rect &) override;
49 
50  Frame _compassImage;
51 };
52 
53 extern Compass *g_compass;
54 
55 } // End of namespace Pegasus
56 
57 #endif
Definition: fader.h:99
Definition: rect.h:144
Definition: compass.h:36
Definition: surface.h:105
Definition: ai_action.h:33