OgreOverlay.h
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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004     (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org/
    00006
    00007 Copyright (c) 2000-2012 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028
    00029 #ifndef __Overlay_H__
    00030 #define __Overlay_H__
    00031
    00032 #include "OgrePrerequisites.h"
    00033 #include "OgreSceneNode.h"
    00034 #include "OgreIteratorWrappers.h"
    00035 #include "OgreMatrix4.h"
    00036
    00037 namespace Ogre {
    00038
    00039
    00070     class _OgreExport Overlay : public OverlayAlloc
    00071     {
    00072
    00073     public:
    00074               typedef list<OverlayContainer*>::type OverlayContainerList;
    00075     protected:
    00076         String mName;
    00078         SceneNode* mRootNode;
    00079         // 2D elements
    00080         // OverlayContainers, linked list for easy sorting by zorder later
    00081         // Not a map because sort can be saved since changes infrequent (unlike render queue)
    00082         OverlayContainerList m2DElements;
    00083
    00084         // Degrees of rotation around center
    00085         Radian mRotate;
    00086         // Scroll values, offsets
    00087         Real mScrollX, mScrollY;
    00088         // Scale values
    00089         Real mScaleX, mScaleY;
    00090
    00091         mutable Matrix4 mTransform;
    00092         mutable bool mTransformOutOfDate;
    00093         bool mTransformUpdated;
    00094         ulong mZOrder;
    00095         bool mVisible;
    00096         bool mInitialised;
    00097         String mOrigin;
    00099         void updateTransform(void) const;
    00101         void initialise(void);
    00103         void assignZOrders(void);
    00104
    00105     public:
    00107         Overlay(const String& name);
    00108         virtual ~Overlay();
    00109
    00110
    00111         OverlayContainer* getChild(const String& name);
    00112
    00114         const String& getName(void) const;
    00119         void setZOrder(ushort zorder);
    00121         ushort getZOrder(void) const;
    00122
    00124         bool isVisible(void) const;
    00125
    00127         bool isInitialised(void) const { return mInitialised; }
    00128
    00130         void show(void);
    00131
    00133         void hide(void);
    00134
    00145         void add2D(OverlayContainer* cont);
    00146
    00147
    00152         void remove2D(OverlayContainer* cont);
    00153
    00186         void add3D(SceneNode* node);
    00187
    00189         void remove3D(SceneNode* node);
    00190
    00192         void clear();
    00193
    00203         void setScroll(Real x, Real y);
    00204
    00206         Real getScrollX(void) const;
    00207
    00209         Real getScrollY(void) const;
    00210
    00217         void scroll(Real xoff, Real yoff);
    00218
    00220         void setRotate(const Radian& angle);
    00221
    00223         const Radian &getRotate(void) const { return mRotate; }
    00224
    00226         void rotate(const Radian& angle);
    00227
    00235         void setScale(Real x, Real y);
    00236
    00238         Real getScaleX(void) const;
    00239
    00241         Real getScaleY(void) const;
    00242
    00244         void _getWorldTransforms(Matrix4* xform) const;
    00245
    00247         void _findVisibleObjects(Camera* cam, RenderQueue* queue);
    00248
    00250         virtual OverlayElement* findElementAt(Real x, Real y);
    00251
    00256         typedef VectorIterator<OverlayContainerList> Overlay2DElementsIterator ;
    00257         Overlay2DElementsIterator get2DElementsIterator ()
    00258         {
    00259             return Overlay2DElementsIterator (m2DElements.begin(), m2DElements.end());
    00260         }
    00267         const String& getOrigin(void) const { return mOrigin; }
    00269         void _notifyOrigin(const String& origin) { mOrigin = origin; }
    00270
    00271
    00272     };
    00276 }
    00277
    00278
    00279 #endif
    00280

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:22