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Object-Oriented Graphics Rendering Engine
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OgreOverlay.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4  (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2014 Torus Knot Software Ltd
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9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
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28 
29 #ifndef __Overlay_H__
30 #define __Overlay_H__
31 
33 #include "OgreSceneNode.h"
34 #include "OgreIteratorWrappers.h"
35 #include "OgreMatrix4.h"
36 
37 namespace Ogre {
38 
39 
71  {
72 
73  public:
75  protected:
83 
87  Real mScrollX, mScrollY;
89  Real mScaleX, mScaleY;
90 
92  mutable bool mTransformOutOfDate;
95  bool mVisible;
99  void updateTransform(void) const;
101  void initialise(void);
103  void assignZOrders(void);
104 
105  public:
107  Overlay(const String& name);
108  virtual ~Overlay();
109 
110 
111  OverlayContainer* getChild(const String& name);
112 
114  const String& getName(void) const;
115 
120  void setZOrder(ushort zorder);
122  ushort getZOrder(void) const;
123 
125  bool isVisible(void) const;
126 
128  bool isInitialised(void) const { return mInitialised; }
129 
131  void show(void);
132 
134  void hide(void);
135 
146  void add2D(OverlayContainer* cont);
147 
148 
153  void remove2D(OverlayContainer* cont);
154 
187  void add3D(SceneNode* node);
188 
190  void remove3D(SceneNode* node);
191 
193  void clear();
194 
204  void setScroll(Real x, Real y);
205 
207  Real getScrollX(void) const;
208 
210  Real getScrollY(void) const;
211 
218  void scroll(Real xoff, Real yoff);
219 
221  void setRotate(const Radian& angle);
222 
224  const Radian &getRotate(void) const { return mRotate; }
225 
227  void rotate(const Radian& angle);
228 
236  void setScale(Real x, Real y);
237 
239  Real getScaleX(void) const;
240 
242  Real getScaleY(void) const;
243 
245  void _getWorldTransforms(Matrix4* xform) const;
246 
248  void _findVisibleObjects(Camera* cam, RenderQueue* queue);
249 
251  virtual OverlayElement* findElementAt(Real x, Real y);
252 
259  {
260  return Overlay2DElementsIterator (m2DElements.begin(), m2DElements.end());
261  }
268  const String& getOrigin(void) const { return mOrigin; }
270  void _notifyOrigin(const String& origin) { mOrigin = origin; }
271 
272 
273  };
277 }
278 
279 
280 #endif
281 
A viewpoint from which the scene will be rendered.
Definition: OgreCamera.h:86
Class encapsulating a standard 4x4 homogeneous matrix.
Definition: OgreMatrix4.h:78
float Real
Software floating point type.
Overlay2DElementsIterator get2DElementsIterator()
Definition: OgreOverlay.h:258
unsigned long ulong
#define _OgreOverlayExport
String mName
Definition: OgreOverlay.h:76
Radian mRotate
Degrees of rotation around center.
Definition: OgreOverlay.h:85
list< OverlayContainer * >::type OverlayContainerList
Definition: OgreOverlay.h:74
bool mInitialised
Definition: OgreOverlay.h:96
VectorIterator< OverlayContainerList > Overlay2DElementsIterator
Returns an iterator over all 2D elements in this manager.
Definition: OgreOverlay.h:257
A 2D element which contains other OverlayElement instances.
OverlayContainerList m2DElements
2D elements OverlayContainers, linked list for easy sorting by zorder later Not a map because sort ca...
Definition: OgreOverlay.h:82
Class representing a node in the scene graph.
Definition: OgreSceneNode.h:58
void _notifyOrigin(const String &origin)
Notify this overlay of it's origin.
Definition: OgreOverlay.h:270
SceneNode * mRootNode
Internal root node, used as parent for 3D objects.
Definition: OgreOverlay.h:78
bool mTransformOutOfDate
Definition: OgreOverlay.h:92
bool mTransformUpdated
Definition: OgreOverlay.h:93
Matrix4 mTransform
Definition: OgreOverlay.h:91
Superclass for all objects that wish to use custom memory allocators when their new / delete operator...
const Radian & getRotate(void) const
Gets the rotation applied to this overlay, in degrees.
Definition: OgreOverlay.h:224
unsigned short ushort
Abstract definition of a 2D element to be displayed in an Overlay.
Wrapper class which indicates a given angle value is in Radians.
Definition: OgreMath.h:47
Class to manage the scene object rendering queue.
_StringBase String
bool isInitialised(void) const
Gets whether the overlay is initialised or not.
Definition: OgreOverlay.h:128
const String & getOrigin(void) const
Get the origin of this overlay, e.g.
Definition: OgreOverlay.h:268
Concrete IteratorWrapper for nonconst access to the underlying container.
Represents a layer which is rendered on top of the 'normal' scene contents.
Definition: OgreOverlay.h:70
String mOrigin
Definition: OgreOverlay.h:97