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NL3D::CVegetableShape Class Reference

#include <vegetable_shape.h>

Detailed Description

A vegetable shape. Ie not deformed by instanciation.
Author:
Lionel Berenguier

Nevrax France

Date:
2001

Definition at line 108 of file vegetable_shape.h.

Public Member Functions

void build (CVegetableShapeBuild &vbuild)
 CVegetableShape ()
 Constructor.

void loadShape (const std::string &shape)
void serial (NLMISC::IStream &f)
 serial


Data Fields

Shape def
bool AlphaBlend
CVegetableShapeBuild::TBendCenterMode BendCenterMode
bool BestSidedPreComputeLighting
bool DoubleSided
bool Lighted
 Type of this shape.

bool PreComputeLighting
std::vector< uint32 > TriangleIndices
 list of triangles index

CVertexBuffer VB
Temporary for easy Instanciation (correct size)
std::vector< uint32 > InstanceVertices
 For each vertex of the shape, gives the index in the VegetableManager.

Constructor & Destructor Documentation

NL3D::CVegetableShape::CVegetableShape (   ) 
 

Constructor.

Definition at line 42 of file vegetable_shape.cpp. 

00043 {
00044         Lighted= false;
00045         DoubleSided= false;
00046         PreComputeLighting= false;
00047         AlphaBlend= false;
00048         BestSidedPreComputeLighting= false;
00049 }

Member Function Documentation

void NL3D::CVegetableShape::build (  CVegetableShapeBuild &  vbuild  ) 
 

build a vegetable shape, with a standard shape.

Definition at line 52 of file vegetable_shape.cpp.

References NL3D::CVegetableShapeBuild::AlphaBlend, NL3D::CVegetableShapeBuild::BendCenterMode, NL3D::CVegetableShapeBuild::BestSidedPreComputeLighting, NL3D::CVegetableShapeBuild::DoubleSided, format, NL3D::CVertexBuffer::getColorPointer(), NL3D::CVertexBuffer::getNormalCoordPointer(), NL3D::CPrimitiveBlock::getNumTri(), NL3D::CVertexBuffer::getNumVertices(), NL3D::CVertexBuffer::getTexCoordPointer(), NL3D::CPrimitiveBlock::getTriPointer(), NL3D::CVertexBuffer::getVertexCoordPointer(), NL3D::CVertexBuffer::getVertexFormat(), InstanceVertices, NL3D::CVegetableShapeBuild::Lighted, NL3D::CVegetableShapeBuild::MaxBendWeight, nlassert, NL3D::CVegetableShapeBuild::PB, NL3D::CVegetableShapeBuild::PreComputeLighting, NLMISC::CRGBA::R, NL3D::CVertexBuffer::setNumVertices(), NL3D::CVertexBuffer::setVertexFormat(), NLMISC::CUV::U, uint, uint32, NL3D::CVegetableShapeBuild::VB, w, and z. 

00053 {
00054         // Must have TexCoord0.
00055         nlassert( vbuild.VB.getVertexFormat() & CVertexBuffer::TexCoord0Flag );
00056 
00057         // Header
00058         //---------
00059 
00060         // Lighted ?
00061         if(vbuild.Lighted && ( vbuild.VB.getVertexFormat() & CVertexBuffer::NormalFlag) )
00062                 Lighted= true;
00063         else
00064                 Lighted= false;
00065 
00066         // DoubleSided
00067         DoubleSided= vbuild.DoubleSided;
00068 
00069         // PreComputeLighting.
00070         PreComputeLighting= Lighted && vbuild.PreComputeLighting;
00071 
00072         // AlphaBlend: valid only for 2Sided and Unlit (or similar PreComputeLighting) mode
00073         AlphaBlend= vbuild.AlphaBlend && DoubleSided && (!Lighted || PreComputeLighting);
00074 
00075         // BestSidedPreComputeLighting
00076         BestSidedPreComputeLighting= PreComputeLighting && vbuild.BestSidedPreComputeLighting;
00077 
00078         // BendCenterMode
00079         BendCenterMode= vbuild.BendCenterMode;
00080 
00081         // Format of the VB.
00082         uint32  format;
00083         format= CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag | CVertexBuffer::TexCoord1Flag;
00084         // lighted?
00085         if(Lighted)
00086                 format|= CVertexBuffer::NormalFlag;
00087         // set VB.
00088         VB.setVertexFormat(format);
00089 
00090 
00091         // Fill triangles.
00092         //---------
00093         uint    i;
00094         // resisz
00095         TriangleIndices.resize(vbuild.PB.getNumTri() * 3);
00096         uint32  *srcTri= vbuild.PB.getTriPointer();
00097         // fill
00098         for(i=0; i<vbuild.PB.getNumTri(); i++)
00099         {
00100                 TriangleIndices[i*3+0]= *(srcTri++);
00101                 TriangleIndices[i*3+1]= *(srcTri++);
00102                 TriangleIndices[i*3+2]= *(srcTri++);
00103         }
00104 
00105 
00106         // Fill vertices.
00107         //---------
00108         // resize
00109         uint32          nbVerts= vbuild.VB.getNumVertices();
00110         VB.setNumVertices(nbVerts);
00111         // if no vertex color, 
00112         float   maxZ= 0;
00113         bool    bendFromColor= true;
00114         if(! (vbuild.VB.getVertexFormat() & CVertexBuffer::PrimaryColorFlag) )
00115         {
00116                 // must compute bendWeight from z.
00117                 bendFromColor= false;
00118                 // get the maximum Z.
00119                 for(i=0;i<nbVerts;i++)
00120                 {
00121                         float   z= ((CVector*)vbuild.VB.getVertexCoordPointer(i))->z;
00122                         maxZ= max(z, maxZ);
00123                 }
00124                 // if no positive value, bend will always be 0.
00125                 if(maxZ==0)
00126                         maxZ= 1;
00127         }
00128 
00129         // For all vertices, fill
00130         for(i=0;i<nbVerts;i++)
00131         {
00132                 // Position.
00133                 CVector         *srcPos= (CVector*)vbuild.VB.getVertexCoordPointer(i);
00134                 CVector         *dstPos= (CVector*)VB.getVertexCoordPointer(i);
00135                 *dstPos= *srcPos;
00136 
00137                 // Normal
00138                 if(Lighted)
00139                 {
00140                         CVector         *srcNormal= (CVector*)vbuild.VB.getNormalCoordPointer(i);
00141                         CVector         *dstNormal= (CVector*)VB.getNormalCoordPointer(i);
00142                         *dstNormal= *srcNormal;
00143                 }
00144 
00145                 // Texture.
00146                 CUV             *srcUV= (CUV*)vbuild.VB.getTexCoordPointer(i, 0);
00147                 CUV             *dstUV= (CUV*)VB.getTexCoordPointer(i, 0);
00148                 *dstUV= *srcUV;
00149 
00150                 // Bend.
00151                 // copy to texture stage 1.
00152                 CUV             *dstUVBend= (CUV*)VB.getTexCoordPointer(i, 1);
00153                 if(bendFromColor)
00154                 {
00155                         CRGBA   *srcColor= (CRGBA*)vbuild.VB.getColorPointer(i);
00156                         // Copy and scale by MaxBendWeight
00157                         dstUVBend->U= (srcColor->R / 255.f) * vbuild.MaxBendWeight;
00158                 }
00159                 else
00160                 {
00161                         float   w= srcPos->z / maxZ;
00162                         w= max(w, 0.f);
00163                         // Copy and scale by MaxBendWeight
00164                         dstUVBend->U= w * vbuild.MaxBendWeight;
00165                 }
00166         }
00167 
00168 
00169         // Misc.
00170         //---------
00171         // prepare for instanciation
00172         InstanceVertices.resize(VB.getNumVertices());
00173 
00174 }

void NL3D::CVegetableShape::loadShape (  const std::string &  shape  ) 
 

load a vegetable shape (.veget), lookup into CPath, and serial

Definition at line 177 of file vegetable_shape.cpp.

References serial().

Referenced by NL3D::CVegetableManager::getVegetableShape(). 

00178 {
00179         string  path= CPath::lookup(shape);
00180         // read this file
00181         CIFile  f(path);
00182         serial(f);
00183 }

void NL3D::CVegetableShape::serial (  NLMISC::IStream &  f  ) 
 

serial

Definition at line 186 of file vegetable_shape.cpp.

References NL3D::CVertexBuffer::getNumVertices(), InstanceVertices, NLMISC::IStream::isReading(), NLMISC::IStream::serial(), NLMISC::IStream::serialCheck(), NLMISC::IStream::serialCont(), NLMISC::IStream::serialEnum(), NLMISC::IStream::serialVersion(), sint, and uint32.

Referenced by loadShape(). 

00187 {
00188         /*
00189         Version 1: 
00190                 - BestSidedPreComputeLighting
00191         */
00192         sint    ver= f.serialVersion(1);
00193         f.serialCheck((uint32)'_LEN');
00194         f.serialCheck((uint32)'GEV_');
00195         f.serialCheck((uint32)'BATE');
00196         f.serialCheck((uint32)'__EL');
00197 
00198         f.serial(Lighted);
00199         f.serial(DoubleSided);
00200         f.serial(PreComputeLighting);
00201         f.serial(AlphaBlend);
00202         f.serialEnum(BendCenterMode);
00203         f.serial(VB);
00204         f.serialCont(TriangleIndices);
00205 
00206         if(ver>=1)
00207                 f.serial(BestSidedPreComputeLighting);
00208         else if(f.isReading())
00209                 BestSidedPreComputeLighting= false;
00210 
00211         // if reading
00212         if(f.isReading())
00213         {
00214                 // prepare for instanciation
00215                 InstanceVertices.resize(VB.getNumVertices());
00216         }
00217 }

Field Documentation

bool NL3D::CVegetableShape::AlphaBlend
 

Definition at line 132 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::getRdrPassInfoForShape().

CVegetableShapeBuild::TBendCenterMode NL3D::CVegetableShape::BendCenterMode
 

Definition at line 134 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::addInstance().

bool NL3D::CVegetableShape::BestSidedPreComputeLighting
 

Definition at line 133 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::addInstance(), and NL3D::CVegetableManager::updateInstanceLighting().

bool NL3D::CVegetableShape::DoubleSided
 

Definition at line 130 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::getRdrPassInfoForShape(), and NL3D::CVegetableManager::updateInstanceLighting().

std::vector<uint32> NL3D::CVegetableShape::InstanceVertices
 

For each vertex of the shape, gives the index in the VegetableManager.

Definition at line 147 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::addInstance(), build(), serial(), and NL3D::CVegetableManager::updateInstanceLighting().

bool NL3D::CVegetableShape::Lighted
 

Type of this shape.

Definition at line 129 of file vegetable_shape.h.

Referenced by NL3D::CVegetable::generateInstance(), NL3D::CVegetableManager::getRdrPassInfoForShape(), and NL3D::CVegetableManager::updateInstanceLighting().

bool NL3D::CVegetableShape::PreComputeLighting
 

Definition at line 131 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::getRdrPassInfoForShape(), and NL3D::CVegetableManager::updateInstanceLighting().

std::vector<uint32> NL3D::CVegetableShape::TriangleIndices
 

list of triangles index

Definition at line 140 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::addInstance(), and NL3D::CVegetableManager::reserveIgAddInstances().

CVertexBuffer NL3D::CVegetableShape::VB
 

VertexBuffer of this Shape, ready to be transformed and copied into vegetable manager Format is Pos/Normal/Tex0/Tex1 (no Normal if !Lighted). where Tex1.U==BendWeigth

Definition at line 138 of file vegetable_shape.h.

Referenced by NL3D::CVegetableManager::addInstance(), NL3D::CVegetableManager::reserveIgAddInstances(), and NL3D::CVegetableManager::updateInstanceLighting().

The documentation for this class was generated from the following files:
Generated on Tue Mar 16 08:22:23 2004 for NeL by doxygen 1.3.6