nevrax.org : docs

00001 
+00007 /* Copyright, 2000 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #ifndef NL_TRANSFORM_SHAPE_H
+00027 #define NL_TRANSFORM_SHAPE_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/matrix.h"
+00031 #include "3d/transform.h"
+00032 #include "3d/shape.h"
+00033 #include "3d/load_balancing_trav.h"
+00034 #include <vector>
+00035 
+00036 
+00037 namespace NL3D 
+00038 {
+00039 
+00040 
+00041 using NLMISC::CSmartPtr;
+00042 using NLMISC::CPlane;
+00043 
+00044 
+00045 class   CTransformShapeClipObs;
+00046 class   CTransformShapeRenderObs;
+00047 class   CTransformShapeLoadBalancingObs;
+00048 class   CRenderTrav;
+00049 class   CMRMLevelDetail;
+00050 class   CMaterial;
+00051 
+00052 
+00053 // ***************************************************************************
+00054 // ClassIds.
+00055 const NLMISC::CClassId          TransformShapeId=NLMISC::CClassId(0x1e6115e6, 0x63502517);
+00056 
+00057 
+00058 // ***************************************************************************
+00065 class CTransformShape : public CTransform
+00066 {
+00067 public:
+00069         static  void    registerBasic();
+00070 
+00071 public:
+00073         CSmartPtr<IShape>               Shape;
+00074 
+00075 #ifdef NL_DEBUG
+00076         std::string NameForDebug; // \todo traptemp
+00077 #endif
+00078 
+00079 
+00082         virtual void            getAABBox(NLMISC::CAABBox &bbox) const;
+00083 
+00086         virtual uint            getNumMaterial () const;
+00087 
+00090         virtual const CMaterial *getMaterial (uint materialId) const;
+00091 
+00094         virtual CMaterial       *getMaterial (uint materialId);
+00095 
+00097         // @{
+00098 
+00106         virtual float           getNumTriangles (float distance);
+00107 
+00112         float                           getNumTrianglesAfterLoadBalancing() {return _NumTrianglesAfterLoadBalancing;}
+00113 
+00115         virtual const   CMRMLevelDetail         *getMRMLevelDetail() const {return NULL;}
+00116 
+00117         // @}
+00118 
+00119 
+00121         // @{
+00123         void                            changeLightSetup(CRenderTrav *rdrTrav);
+00124         // @}
+00125 
+00127         virtual bool            canStartStop() { return false; }
+00128         // For instance that have a start/stop caps
+00129         virtual void            start() {};
+00130         // For instance that have a start/stop caps
+00131         virtual void            stop()  {};
+00132         // For instance that have a start/stop caps
+00133         virtual bool            isStarted() const { return false; }
+00134         
+00135         // Get the model distmax. At startup it is setupped with the shape value
+00136         float               getDistMax() const { return _DistMax; }     
+00137         // Set the model distmax.
+00138         void                setDistMax(float distMax) { _DistMax = distMax; }
+00139 protected:
+00141         CTransformShape();
+00143         virtual ~CTransformShape() {}
+00144 
+00148         void                    setupCurrentLightContribution(CLightContribution *lightContrib, bool useLocalAtt);
+00149 
+00150 private:
+00151         static IModel   *creator() {return new CTransformShape;}
+00152         friend class    CTransformShapeClipObs;
+00153         friend class    CTransformShapeRenderObs;
+00154         friend class    CTransformShapeLoadBalancingObs;
+00155 
+00156         float                   _NumTrianglesAfterLoadBalancing;
+00157 
+00158 
+00159         // return the contribution of lights (for redner Observer).
+00160         CLightContribution      &getLightContribution() {return _LightContribution;}
+00161 
+00162 private:
+00163         /* The Activated lightContribution, and localAttenuation setup for this instance.
+00164                 This may be our lightContribution, or our ancestore skeleton contribution.
+00165         */
+00166         CLightContribution              *_CurrentLightContribution;
+00167         // true If this instance use localAttenuation.
+00168         bool                                    _CurrentUseLocalAttenuation;
+00169 private:
+00170         // The max dist for this model.
+00171         float                   _DistMax;       
+00172 };
+00173 
+00174 
+00175 
+00176 // ***************************************************************************
+00177 // ***************************************************************************
+00178 // Observers implementation.
+00179 // ***************************************************************************
+00180 // ***************************************************************************
+00181 
+00182 
+00183 // ***************************************************************************
+00195 class   CTransformShapeClipObs : public CTransformClipObs
+00196 {
+00197         bool    _ClipDueToDistMax;
+00198 public:
+00199 
+00201         virtual bool    clip(IBaseClipObs *caller);
+00202 
+00204         bool                    isLastClipDueToDistMax() const {return _ClipDueToDistMax;}
+00205 
+00206         static IObs     *creator() {return new CTransformShapeClipObs;}
+00207 };
+00208 
+00209 
+00210 // ***************************************************************************
+00220 class   CTransformShapeRenderObs : public CTransformRenderObs
+00221 {
+00222 public:
+00223 
+00225         virtual void    traverse(IObs *caller);
+00226         
+00227         static IObs     *creator() {return new CTransformShapeRenderObs;}
+00228 };
+00229 
+00230 
+00231 // ***************************************************************************
+00242 class   CTransformShapeLoadBalancingObs : public IBaseLoadBalancingObs
+00243 {
+00244 public:
+00245 
+00250         virtual void    traverse(IObs *caller);
+00251 
+00252         static IObs     *creator() {return new CTransformShapeLoadBalancingObs;}
+00253 
+00254 
+00255 protected:
+00256 
+00257         // The number of face computed in Pass0.
+00258         float           _FaceCount;
+00259 
+00260 
+00261         void            traversePass0();
+00262         void            traversePass1();
+00263 
+00264 };
+00265 
+00266 
+00267 } // NL3D
+00268 
+00269 
+00270 #endif // NL_TRANSFORM_SHAPE_H
+00271 
+00272 /* End of transform_shape.h */
+