# OgreShadowCameraSetupPSSM.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 Copyright (c) 2006 Matthias Fink, netAllied GmbH <matthias.fink@web.de>
    00009
    00010 Permission is hereby granted, free of charge, to any person obtaining a copy
    00011 of this software and associated documentation files (the "Software"), to deal
    00012 in the Software without restriction, including without limitation the rights
    00013 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00014 copies of the Software, and to permit persons to whom the Software is
    00015 furnished to do so, subject to the following conditions:
    00016
    00017 The above copyright notice and this permission notice shall be included in
    00018 all copies or substantial portions of the Software.
    00019
    00020 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00021 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00022 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00023 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00024 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00025 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00026 THE SOFTWARE.
    00027 -----------------------------------------------------------------------------
    00028 */
    00029 #ifndef __ShadowCameraSetupPSSM_H__
    00030 #define __ShadowCameraSetupPSSM_H__
    00031
    00032 #include "OgrePrerequisites.h"
    00033 #include "OgreShadowCameraSetupLiSPSM.h"
    00034
    00035 namespace Ogre
    00036 {
    00037
    00055     class _OgreExport PSSMShadowCameraSetup : public Ogre::LiSPSMShadowCameraSetup
    00056     {
    00057     public:
    00058         typedef vector<Real>::type SplitPointList;
    00059         typedef vector<Real>::type OptimalAdjustFactorList;
    00060
    00061     protected:
    00062         size_t mSplitCount;
    00063         SplitPointList mSplitPoints;
    00064         OptimalAdjustFactorList mOptimalAdjustFactors;
    00065         Real mSplitPadding;
    00066
    00067         mutable size_t mCurrentIteration;
    00068
    00069     public:
    00071         PSSMShadowCameraSetup();
    00072         ~PSSMShadowCameraSetup();
    00073
    00080         void calculateSplitPoints(size_t splitCount, Real nearDist, Real farDist, Real lambda = 0.95);
    00081
    00088         void setSplitPoints(const SplitPointList& newSplitPoints);
    00089
    00093         void setOptimalAdjustFactor(size_t splitIndex, Real factor);
    00094
    00098         void setSplitPadding(Real pad) { mSplitPadding = pad; }
    00099
    00103         Real getSplitPadding() const { return mSplitPadding; }
    00105         size_t getSplitCount() const { return mSplitCount; }
    00106
    00108         virtual void getShadowCamera(const Ogre::SceneManager *sm, const Ogre::Camera *cam,
    00109             const Ogre::Viewport *vp, const Ogre::Light *light, Ogre::Camera *texCam, size_t iteration) const;
    00110
    00112         inline const SplitPointList& getSplitPoints() const
    00113         { return mSplitPoints; }
    00114
    00116         inline Real getOptimalAdjustFactor(size_t splitIndex) const
    00117         { return mOptimalAdjustFactors[splitIndex]; }
    00118
    00120         Real getOptimalAdjustFactor() const;
    00121
    00122     };
    00125 }
    00126 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Wed Nov 3 2010 19:24:52