# OgreViewport.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) 2000-2009 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 #ifndef __Viewport_H__
    00029 #define __Viewport_H__
    00030
    00031 #include "OgrePrerequisites.h"
    00032 #include "OgreCommon.h"
    00033 #include "OgreColourValue.h"
    00034 #include "OgreFrustum.h"
    00035
    00036 namespace Ogre {
    00056     class _OgreExport Viewport : public ViewportAlloc
    00057     {
    00058     public:
    00081         Viewport(
    00082             Camera* camera,
    00083             RenderTarget* target,
    00084             Real left, Real top,
    00085             Real width, Real height,
    00086             int ZOrder);
    00087
    00090         virtual ~Viewport();
    00091
    00099         void _updateDimensions(void);
    00100
    00103         void update(void);
    00104
    00117         void clear(unsigned int buffers = FBT_COLOUR | FBT_DEPTH,
    00118                    const ColourValue& colour = ColourValue::Black,
    00119                    Real depth = 1.0f, unsigned short stencil = 0);
    00120
    00123         RenderTarget* getTarget(void) const;
    00124
    00127         Camera* getCamera(void) const;
    00128
    00130         void setCamera(Camera* cam);
    00131
    00133         int getZOrder(void) const;
    00137         Real getLeft(void) const;
    00138
    00142         Real getTop(void) const;
    00143
    00148         Real getWidth(void) const;
    00153         Real getHeight(void) const;
    00158         int getActualLeft(void) const;
    00163         int getActualTop(void) const;
    00167         int getActualWidth(void) const;
    00172         int getActualHeight(void) const;
    00173
    00186         void setDimensions(Real left, Real top, Real width, Real height);
    00187
    00190         void setOrientationMode(OrientationMode orientationMode, bool setDefault = true);
    00191
    00194         OrientationMode getOrientationMode() const;
    00195
    00198         static void setDefaultOrientationMode(OrientationMode orientationMode);
    00199
    00202         static OrientationMode getDefaultOrientationMode();
    00203
    00207         void setBackgroundColour(const ColourValue& colour);
    00208
    00211         const ColourValue& getBackgroundColour(void) const;
    00212
    00222         void setClearEveryFrame(bool clear, unsigned int buffers = FBT_COLOUR | FBT_DEPTH);
    00223
    00226         bool getClearEveryFrame(void) const;
    00227
    00229         unsigned int getClearBuffers(void) const;
    00230
    00242         void setAutoUpdated(bool autoupdate);
    00246         bool isAutoUpdated() const;
    00247
    00255         void setMaterialScheme(const String& schemeName)
    00256         { mMaterialSchemeName = schemeName; }
    00257
    00260         const String& getMaterialScheme(void) const
    00261         { return mMaterialSchemeName; }
    00262
    00265         void getActualDimensions(
    00266             int &left, int &top, int &width, int &height ) const;
    00267
    00268         bool _isUpdated(void) const;
    00269         void _clearUpdatedFlag(void);
    00270
    00273         unsigned int _getNumRenderedFaces(void) const;
    00274
    00277         unsigned int _getNumRenderedBatches(void) const;
    00278
    00289         void setOverlaysEnabled(bool enabled);
    00290
    00293         bool getOverlaysEnabled(void) const;
    00294
    00305         void setSkiesEnabled(bool enabled);
    00306
    00309         bool getSkiesEnabled(void) const;
    00310
    00319         void setShadowsEnabled(bool enabled);
    00320
    00323         bool getShadowsEnabled(void) const;
    00324
    00325
    00334         void setVisibilityMask(uint32 mask) { mVisibilityMask = mask; }
    00335
    00339         uint getVisibilityMask(void) const { return mVisibilityMask; }
    00340
    00353         virtual void setRenderQueueInvocationSequenceName(const String& sequenceName);
    00355         virtual const String& getRenderQueueInvocationSequenceName(void) const;
    00357         RenderQueueInvocationSequence* _getRenderQueueInvocationSequence(void);
    00358
    00360         void pointOrientedToScreen(const Vector2 &v, int orientationMode, Vector2 &outv);
    00361         void pointOrientedToScreen(Real orientedX, Real orientedY, int orientationMode,
    00362                                    Real &screenX, Real &screenY);
    00363
    00364     protected:
    00365         Camera* mCamera;
    00366         RenderTarget* mTarget;
    00367         // Relative dimensions, irrespective of target dimensions (0..1)
    00368         float mRelLeft, mRelTop, mRelWidth, mRelHeight;
    00369         // Actual dimensions, based on target dimensions
    00370         int mActLeft, mActTop, mActWidth, mActHeight;
    00372         int mZOrder;
    00374         ColourValue mBackColour;
    00375         bool mClearEveryFrame;
    00376         unsigned int mClearBuffers;
    00377         bool mUpdated;
    00378         bool mShowOverlays;
    00379         bool mShowSkies;
    00380         bool mShowShadows;
    00381         uint32 mVisibilityMask;
    00382         // Render queue invocation sequence name
    00383         String mRQSequenceName;
    00384         RenderQueueInvocationSequence* mRQSequence;
    00386         String mMaterialSchemeName;
    00388         OrientationMode mOrientationMode;
    00389         static OrientationMode mDefaultOrientationMode;
    00390
    00392         bool mIsAutoUpdated;
    00393     };
    00397 }
    00398
    00399 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:09