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Documentation                       Search   vegetable_shape.cpp Go to the documentation of this file. /* Copyright, 2001 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * NEVRAX NEL is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * You should have received a copy of the GNU General Public License * along with NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #include "std3d.h" #include "3d/vegetable_shape.h" #include "nel/misc/path.h" #include "nel/misc/file.h" using namespace std; using namespace NLMISC; namespace NL3D { // *************************************************************************** CVegetableShape::CVegetableShape() { Lighted= false; DoubleSided= false; PreComputeLighting= false; AlphaBlend= false; BestSidedPreComputeLighting= false; } // *************************************************************************** void CVegetableShape::build(CVegetableShapeBuild &vbuild) { // Must have TexCoord0. nlassert( vbuild.VB.getVertexFormat() & CVertexBuffer::TexCoord0Flag ); // Header //--------- // Lighted ? if(vbuild.Lighted && ( vbuild.VB.getVertexFormat() & CVertexBuffer::NormalFlag) ) Lighted= true; else Lighted= false; // DoubleSided DoubleSided= vbuild.DoubleSided; // PreComputeLighting. PreComputeLighting= Lighted && vbuild.PreComputeLighting; // AlphaBlend: valid only for 2Sided and Unlit (or similar PreComputeLighting) mode AlphaBlend= vbuild.AlphaBlend && DoubleSided && (!Lighted || PreComputeLighting); // BestSidedPreComputeLighting BestSidedPreComputeLighting= PreComputeLighting && vbuild.BestSidedPreComputeLighting; // BendCenterMode BendCenterMode= vbuild.BendCenterMode; // Format of the VB. uint32 format; format= CVertexBuffer::PositionFlag | CVertexBuffer::TexCoord0Flag | CVertexBuffer::TexCoord1Flag; // lighted? if(Lighted) format|= CVertexBuffer::NormalFlag; // set VB. VB.setVertexFormat(format); // Fill triangles. //--------- uint i; // resisz TriangleIndices.resize(vbuild.PB.getNumTri() * 3); uint32 *srcTri= vbuild.PB.getTriPointer(); // fill for(i=0; i<vbuild.PB.getNumTri(); i++) { TriangleIndices[i*3+0]= *(srcTri++); TriangleIndices[i*3+1]= *(srcTri++); TriangleIndices[i*3+2]= *(srcTri++); } // Fill vertices. //--------- // resize uint32 nbVerts= vbuild.VB.getNumVertices(); VB.setNumVertices(nbVerts); // if no vertex color, float maxZ= 0; bool bendFromColor= true; if(! (vbuild.VB.getVertexFormat() & CVertexBuffer::PrimaryColorFlag) ) { // must compute bendWeight from z. bendFromColor= false; // get the maximum Z. for(i=0;i<nbVerts;i++) { float z= ((CVector*)vbuild.VB.getVertexCoordPointer(i))->z; maxZ= max(z, maxZ); } // if no positive value, bend will always be 0. if(maxZ==0) maxZ= 1; } // For all vertices, fill for(i=0;i<nbVerts;i++) { // Position. CVector *srcPos= (CVector*)vbuild.VB.getVertexCoordPointer(i); CVector *dstPos= (CVector*)VB.getVertexCoordPointer(i); *dstPos= *srcPos; // Normal if(Lighted) { CVector *srcNormal= (CVector*)vbuild.VB.getNormalCoordPointer(i); CVector *dstNormal= (CVector*)VB.getNormalCoordPointer(i); *dstNormal= *srcNormal; } // Texture. CUV *srcUV= (CUV*)vbuild.VB.getTexCoordPointer(i, 0); CUV *dstUV= (CUV*)VB.getTexCoordPointer(i, 0); *dstUV= *srcUV; // Bend. // copy to texture stage 1. CUV *dstUVBend= (CUV*)VB.getTexCoordPointer(i, 1); if(bendFromColor) { CRGBA *srcColor= (CRGBA*)vbuild.VB.getColorPointer(i); // Copy and scale by MaxBendWeight dstUVBend->U= (srcColor->R / 255.f) * vbuild.MaxBendWeight; } else { float w= srcPos->z / maxZ; w= max(w, 0.f); // Copy and scale by MaxBendWeight dstUVBend->U= w * vbuild.MaxBendWeight; } } // Misc. //--------- // prepare for instanciation InstanceVertices.resize(VB.getNumVertices()); } // *************************************************************************** void CVegetableShape::loadShape(const std::string &shape) { string path= CPath::lookup(shape); // read this file CIFile f(path); serial(f); } // *************************************************************************** void CVegetableShape::serial(NLMISC::IStream &f) { /* Version 1: - BestSidedPreComputeLighting */ sint ver= f.serialVersion(1); f.serialCheck((uint32)'_LEN'); f.serialCheck((uint32)'GEV_'); f.serialCheck((uint32)'BATE'); f.serialCheck((uint32)'__EL'); f.serial(Lighted); f.serial(DoubleSided); f.serial(PreComputeLighting); f.serial(AlphaBlend); f.serialEnum(BendCenterMode); f.serial(VB); f.serialCont(TriangleIndices); if(ver>=1) f.serial(BestSidedPreComputeLighting); else if(f.isReading()) BestSidedPreComputeLighting= false; // if reading if(f.isReading()) { // prepare for instanciation InstanceVertices.resize(VB.getNumVertices()); } } } // NL3D