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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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674 lines
No EOL
18 KiB
C++
674 lines
No EOL
18 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <nel/misc/file.h>
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#include <nel/3d/mesh.h>
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#include <nel/3d/mesh_mrm.h>
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#include <nel/3d/mesh_mrm_skinned.h>
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#include <nel/3d/scene.h>
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#include <nel/3d/register_3d.h>
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#include <nel/misc/app_context.h>
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#include <nel/misc/o_xml.h>
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#include <nel/misc/i_xml.h>
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#include <fstream>
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#include <iostream>
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using namespace NLMISC;
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using namespace NL3D;
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using namespace std;
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struct CVertex
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{
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CVector vertex;
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CVector normal;
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CUV uv;
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};
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bool operator == (const CVertex &v1, const CVertex &v2)
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{
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return (v1.vertex == v2.vertex) && (v1.normal == v2.normal) && (v1.uv == v2.uv);
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}
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bool operator < (const CVertex &v1, const CVertex &v2)
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{
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return (v1.vertex < v2.vertex);
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}
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const CIndexBuffer *getRdrPassPrimitiveBlock(const CMeshMRMGeom *mesh, uint lodId, uint renderPass)
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{
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return &(mesh->getRdrPassPrimitiveBlock(lodId, renderPass));
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}
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// ***************************************************************************
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const CIndexBuffer *getRdrPassPrimitiveBlock(const CMeshMRMSkinnedGeom *mesh, uint lodId, uint renderPass)
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{
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static CIndexBuffer block;
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mesh->getRdrPassPrimitiveBlock(lodId, renderPass, block);
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return █
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}
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// ***************************************************************************
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bool ProcessMeshMRMSkinned(const std::string &filename, IShape *shapeMesh);
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bool ProcessMeshMRM(const std::string &filename, IShape *shapeMesh);
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//bool ProcessMesh(const std::string &filename, IShape *shapeMesh);
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int main(int argc, char* argv[])
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{
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if (argc < 2)
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{
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cout << "Syntax : shape2obj <NeL .shape file>" << endl;
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return 1;
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}
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if (!NLMISC::INelContext::isContextInitialised()) new NLMISC::CApplicationContext();
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registerSerial3d();
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CScene::registerBasics();
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IShape *shapeMesh = NULL;
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CIFile ifile;
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// Sream a shape
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CShapeStream streamShape;
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string filename = argv[1];
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if (!ifile.open(filename)) return 1;
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try
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{
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// Stream it
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streamShape.serial(ifile);
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// Add the shape
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shapeMesh = streamShape.getShapePointer();
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}
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catch (Exception& e)
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{
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cout << "Error : " << e.what() << endl;
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return 1;
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}
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if (ProcessMeshMRMSkinned(filename, shapeMesh)) return 0;
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if (ProcessMeshMRM(filename, shapeMesh)) return 0;
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// if (ProcessMesh(filename, shapeMesh)) return 0;
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return 0;
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}
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bool ProcessMeshMRMSkinned(const std::string &filename, IShape *shapeMesh)
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{
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CMeshMRMSkinned *mesh = dynamic_cast<CMeshMRMSkinned*>(shapeMesh);
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if (!mesh) return false;
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COFile ofile;
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CMeshMRMSkinnedGeom* meshIn = (CMeshMRMSkinnedGeom*)&mesh->getMeshGeom();
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std::vector<CMesh::CSkinWeight> skinWeights;
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meshIn->getSkinWeights(skinWeights);
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CVertexBuffer vertexBuffer;
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meshIn->getVertexBuffer(vertexBuffer);
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CVertexBufferRead vba;
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vertexBuffer.lock (vba);
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uint i, j;
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// **** Select the Lod.
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uint numLods= meshIn->getNbLod();
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// get the max tris displayed
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float numMeshFacesMin= (float)meshIn->getLevelDetail().MinFaceUsed;
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float numMeshFacesMax= (float)meshIn->getLevelDetail().MaxFaceUsed;
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// find the lod
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sint lodId = numLods-1;
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// **** First, for the best lod indicate what vertex is used or not. Also index geomorphs to know what real vertex is used
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vector<sint> vertexUsed;
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// -1 means "not used"
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vertexUsed.resize(skinWeights.size(), -1);
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// Parse all triangles.
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for(i=0;i<meshIn->getNbRdrPass(lodId); ++i)
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{
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const CIndexBuffer *pb = getRdrPassPrimitiveBlock(meshIn, lodId, i);
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CIndexBufferRead iba;
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pb->lock (iba);
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if (iba.getFormat() == CIndexBuffer::Indices32)
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{
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const uint32 *triPtr= (const uint32 *) iba.getPtr();
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for(j=0;j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Flag the vertex with its own index => used.
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vertexUsed[idx]= idx;
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triPtr++;
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}
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}
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else
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{
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const uint16 *triPtr= (const uint16 *) iba.getPtr();
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for(j=0;j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Flag the vertex with its own index => used.
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vertexUsed[idx]= idx;
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triPtr++;
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}
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}
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}
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// Special for Geomorphs: must take The End target vertex.
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const std::vector<CMRMWedgeGeom> &geomorphs= meshIn->getGeomorphs(lodId);
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for(i=0;i<geomorphs.size(); ++i)
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{
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uint trueIdx= geomorphs[i].End;
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// map to the Geomorph Target.
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vertexUsed[i]= trueIdx;
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// mark also the real vertex used as used.
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vertexUsed[trueIdx]= trueIdx;
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}
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// **** For all vertices used (not geomorphs), compute vertex Skins.
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vector<CVertex> shadowVertices;
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vector<sint> vertexToVSkin;
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vertexToVSkin.resize(vertexUsed.size());
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shadowVertices.reserve(vertexUsed.size());
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// use a map to remove duplicates (because of UV/normal discontinuities before!!)
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map<CVertex, uint> shadowVertexMap;
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uint numMerged= 0;
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// Skip Geomorphs.
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for(i=geomorphs.size();i<vertexUsed.size(); ++i)
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{
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// If this vertex is used.
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if(vertexUsed[i]!=-1)
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{
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// Build the vertex
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CVertex shadowVert;
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CUV uv;
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shadowVert.vertex = *(CVector*)vba.getVertexCoordPointer(i);
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shadowVert.normal = *(CVector*)vba.getNormalCoordPointer(i);
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shadowVert.uv = *(CUV*)vba.getTexCoordPointer(i);
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/*
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// Select the best Matrix.
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CMesh::CSkinWeight sw= skinWeights[i];
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float maxW= 0;
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uint matId= 0;
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for(j=0;j<NL3D_MESH_SKINNING_MAX_MATRIX;j++)
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{
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// if no more matrix influenced, stop
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if(sw.Weights[j]==0)
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break;
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if(sw.Weights[j]>maxW)
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{
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matId= sw.MatrixId[j];
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maxW= sw.Weights[j];
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}
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}
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// shadowVert.MatrixId= matId;
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*/
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// If dont find the shadowVertex in the map.
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map<CVertex, uint>::iterator it= shadowVertexMap.find(shadowVert);
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if(it==shadowVertexMap.end())
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{
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// Append
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uint index= shadowVertices.size();
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vertexToVSkin[i]= index;
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shadowVertices.push_back(shadowVert);
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shadowVertexMap.insert(make_pair(shadowVert, index));
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}
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else
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{
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// Ok, map.
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vertexToVSkin[i]= it->second;
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numMerged++;
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}
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}
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}
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ofstream ofs(string(filename + ".obj").c_str());
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for(size_t y = 0; y < shadowVertices.size(); ++y)
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{
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CVector v = shadowVertices[y].vertex;
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CVector vn = shadowVertices[y].normal;
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CUV vt = shadowVertices[y].uv;
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ofs << "v " << v.x << " " << v.y << " " << v.z << endl;
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ofs << "vn " << vn.x << " " << vn.y << " " << vn.z << endl;
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ofs << "vt " << vt.U << " " << vt.V << endl;
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}
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// **** Get All Faces
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// Final List Of Triangles that match the bone.
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vector<uint32> shadowTriangles;
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shadowTriangles.reserve(1000);
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// Parse all input tri of the mesh.
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for(i=0; i<meshIn->getNbRdrPass(lodId); ++i)
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{
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ofs << "g pass" << i << endl;
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const CIndexBuffer *pb = getRdrPassPrimitiveBlock(meshIn, lodId, i);
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CIndexBufferRead iba;
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pb->lock (iba);
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if (iba.getFormat() == CIndexBuffer::Indices32)
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{
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const uint32 *triPtr= (const uint32 *) iba.getPtr();
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for(j=0; j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Get the real Vertex (ie not the geomporhed one).
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idx= vertexUsed[idx];
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// Get the ShadowVertex associated
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idx= vertexToVSkin[idx];
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shadowTriangles.push_back(idx);
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triPtr++;
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}
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}
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else
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{
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const uint16 *triPtr= (const uint16 *) iba.getPtr();
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for(j=0; j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Get the real Vertex (ie not the geomporhed one).
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idx= vertexUsed[idx];
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// Get the ShadowVertex associated
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idx= vertexToVSkin[idx];
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shadowTriangles.push_back(idx);
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triPtr++;
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}
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}
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for(size_t pass = 0; pass<shadowTriangles.size(); pass += 3)
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{
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ofs << "f " << shadowTriangles[pass]+1 << "/" << shadowTriangles[pass]+1 << "/" << shadowTriangles[pass]+1 << " ";
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ofs << shadowTriangles[pass+1]+1 << "/" << shadowTriangles[pass+1]+1 << "/" << shadowTriangles[pass+1]+1 << " ";
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ofs << shadowTriangles[pass+2]+1 << "/" << shadowTriangles[pass+2]+1 << "/" << shadowTriangles[pass+2]+1 << endl;
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}
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shadowTriangles.clear();
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}
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ofs.close();
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return true;
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}
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bool ProcessMeshMRM(const std::string &filename, IShape *shapeMesh)
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{
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CMeshMRM *mesh = dynamic_cast<CMeshMRM*>(shapeMesh);
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if (!mesh) return false;
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COFile ofile;
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CMeshMRMGeom* meshIn = (CMeshMRMGeom*)&mesh->getMeshGeom();
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std::vector<CMesh::CSkinWeight> skinWeights = meshIn->getSkinWeights();
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CVertexBuffer vertexBuffer = meshIn->getVertexBuffer();
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CVertexBufferRead vba;
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vertexBuffer.lock (vba);
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uint i, j;
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// **** Select the Lod.
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uint numLods= meshIn->getNbLod();
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// get the max tris displayed
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float numMeshFacesMin= (float)meshIn->getLevelDetail().MinFaceUsed;
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float numMeshFacesMax= (float)meshIn->getLevelDetail().MaxFaceUsed;
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// find the lod
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sint lodId = numLods-1;
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// **** First, for the best lod indicate what vertex is used or not. Also index geomorphs to know what real vertex is used
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vector<sint> vertexUsed;
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// -1 means "not used"
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vertexUsed.resize(skinWeights.size(), -1);
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// Parse all triangles.
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for(i=0;i<meshIn->getNbRdrPass(lodId); ++i)
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{
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const CIndexBuffer *pb = getRdrPassPrimitiveBlock(meshIn, lodId, i);
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CIndexBufferRead iba;
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pb->lock (iba);
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if (iba.getFormat() == CIndexBuffer::Indices32)
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{
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const uint32 *triPtr= (const uint32 *) iba.getPtr();
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for(j=0;j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Flag the vertex with its own index => used.
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vertexUsed[idx]= idx;
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triPtr++;
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}
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}
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else
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{
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const uint16 *triPtr= (const uint16 *) iba.getPtr();
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for(j=0;j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Flag the vertex with its own index => used.
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vertexUsed[idx]= idx;
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triPtr++;
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}
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}
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}
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// Special for Geomorphs: must take The End target vertex.
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const std::vector<CMRMWedgeGeom> &geomorphs= meshIn->getGeomorphs(lodId);
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for(i=0;i<geomorphs.size(); ++i)
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{
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uint trueIdx= geomorphs[i].End;
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// map to the Geomorph Target.
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vertexUsed[i]= trueIdx;
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// mark also the real vertex used as used.
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vertexUsed[trueIdx]= trueIdx;
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}
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// **** For all vertices used (not geomorphs), compute vertex Skins.
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vector<CVertex> shadowVertices;
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vector<sint> vertexToVSkin;
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vertexToVSkin.resize(vertexUsed.size());
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shadowVertices.reserve(vertexUsed.size());
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// use a map to remove duplicates (because of UV/normal discontinuities before!!)
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map<CVertex, uint> shadowVertexMap;
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uint numMerged= 0;
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// Skip Geomorphs.
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for(i=geomorphs.size();i<vertexUsed.size(); ++i)
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{
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// If this vertex is used.
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if(vertexUsed[i]!=-1)
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{
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// Build the vertex
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CVertex shadowVert;
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CUV uv;
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shadowVert.vertex = *(CVector*)vba.getVertexCoordPointer(i);
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shadowVert.normal = *(CVector*)vba.getNormalCoordPointer(i);
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shadowVert.uv = *(CUV*)vba.getTexCoordPointer(i);
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/*
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// Select the best Matrix.
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CMesh::CSkinWeight sw= skinWeights[i];
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float maxW= 0;
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uint matId= 0;
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for(j=0;j<NL3D_MESH_SKINNING_MAX_MATRIX;j++)
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{
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// if no more matrix influenced, stop
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if(sw.Weights[j]==0)
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break;
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if(sw.Weights[j]>maxW)
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{
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matId= sw.MatrixId[j];
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maxW= sw.Weights[j];
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}
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}
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// shadowVert.MatrixId= matId;
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*/
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// If dont find the shadowVertex in the map.
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map<CVertex, uint>::iterator it= shadowVertexMap.find(shadowVert);
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if(it==shadowVertexMap.end())
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{
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// Append
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uint index= shadowVertices.size();
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vertexToVSkin[i]= index;
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shadowVertices.push_back(shadowVert);
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shadowVertexMap.insert(make_pair(shadowVert, index));
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}
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else
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{
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// Ok, map.
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vertexToVSkin[i]= it->second;
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numMerged++;
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}
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}
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}
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ofstream ofs(string(filename + ".obj").c_str());
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for(size_t y = 0; y < shadowVertices.size(); ++y)
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{
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CVector v = shadowVertices[y].vertex;
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CVector vn = shadowVertices[y].normal;
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CUV vt = shadowVertices[y].uv;
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ofs << "v " << v.x << " " << v.y << " " << v.z << endl;
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ofs << "vn " << vn.x << " " << vn.y << " " << vn.z << endl;
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ofs << "vt " << vt.U << " " << vt.V << endl;
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}
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// **** Get All Faces
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// Final List Of Triangles that match the bone.
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vector<uint32> shadowTriangles;
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shadowTriangles.reserve(1000);
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// Parse all input tri of the mesh.
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for(i=0; i<meshIn->getNbRdrPass(lodId); ++i)
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{
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ofs << "g pass" << i << endl;
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const CIndexBuffer *pb = getRdrPassPrimitiveBlock(meshIn, lodId, i);
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CIndexBufferRead iba;
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pb->lock (iba);
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if (iba.getFormat() == CIndexBuffer::Indices32)
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{
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const uint32 *triPtr= (const uint32 *) iba.getPtr();
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for(j=0; j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Get the real Vertex (ie not the geomporhed one).
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idx= vertexUsed[idx];
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// Get the ShadowVertex associated
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idx= vertexToVSkin[idx];
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shadowTriangles.push_back(idx);
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triPtr++;
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}
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}
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else
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{
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const uint16 *triPtr= (const uint16 *) iba.getPtr();
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for(j=0; j<pb->getNumIndexes(); ++j)
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{
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uint idx= *triPtr;
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// Get the real Vertex (ie not the geomporhed one).
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idx= vertexUsed[idx];
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// Get the ShadowVertex associated
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idx= vertexToVSkin[idx];
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shadowTriangles.push_back(idx);
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triPtr++;
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}
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}
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for(size_t pass = 0; pass<shadowTriangles.size(); pass += 3)
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{
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ofs << "f " << shadowTriangles[pass]+1 << "/" << shadowTriangles[pass]+1 << "/" << shadowTriangles[pass]+1 << " ";
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ofs << shadowTriangles[pass+1]+1 << "/" << shadowTriangles[pass+1]+1 << "/" << shadowTriangles[pass+1]+1 << " ";
|
|
ofs << shadowTriangles[pass+2]+1 << "/" << shadowTriangles[pass+2]+1 << "/" << shadowTriangles[pass+2]+1 << endl;
|
|
}
|
|
|
|
shadowTriangles.clear();
|
|
}
|
|
|
|
ofs.close();
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
|
|
TODO: implement this
|
|
|
|
bool ProcessMesh(const std::string &filename, IShape *shapeMesh)
|
|
{
|
|
CMesh *mesh = dynamic_cast<CMesh*>(shapeMesh);
|
|
|
|
if (!mesh) return false;
|
|
|
|
COFile ofile;
|
|
|
|
CMeshGeom* meshIn = (CMeshGeom*)&mesh->getMeshGeom();
|
|
|
|
CVertexBuffer vertexBuffer = meshIn->getVertexBuffer();
|
|
|
|
// CVertexBufferRead vba;
|
|
// vertexBuffer.lock (vba);
|
|
|
|
uint i = vertexBuffer.getNumVertices();
|
|
|
|
std::vector<NLMISC::CVector> vertices;
|
|
meshIn->retrieveVertices(vertices);
|
|
|
|
std::vector<uint32> indices;
|
|
meshIn->retrieveTriangles(indices);
|
|
|
|
|
|
// **** For all vertices used (not geomorphs), compute vertex Skins.
|
|
vector<CVertex> shadowVertices;
|
|
vector<sint> vertexToVSkin;
|
|
vertexToVSkin.resize(indices.size());
|
|
shadowVertices.reserve(indices.size());
|
|
// use a map to remove duplicates (because of UV/normal discontinuities before!!)
|
|
map<CVertex, uint> shadowVertexMap;
|
|
uint numMerged= 0;
|
|
// Skip Geomorphs.
|
|
for(i=0;i<indices.size(); ++i)
|
|
{
|
|
// Build the vertex
|
|
CVertex shadowVert;
|
|
CUV uv;
|
|
shadowVert.vertex = *(CVector*)vba.getVertexCoordPointer(i);
|
|
shadowVert.normal = *(CVector*)vba.getNormalCoordPointer(i);
|
|
shadowVert.uv = *(CUV*)vba.getTexCoordPointer(i);
|
|
|
|
// Select the best Matrix.
|
|
CMesh::CSkinWeight sw= skinWeights[i];
|
|
float maxW= 0;
|
|
uint matId= 0;
|
|
for(j=0;j<NL3D_MESH_SKINNING_MAX_MATRIX;j++)
|
|
{
|
|
// if no more matrix influenced, stop
|
|
if(sw.Weights[j]==0)
|
|
break;
|
|
if(sw.Weights[j]>maxW)
|
|
{
|
|
matId= sw.MatrixId[j];
|
|
maxW= sw.Weights[j];
|
|
}
|
|
}
|
|
|
|
// If dont find the shadowVertex in the map.
|
|
map<CVertex, uint>::iterator it= shadowVertexMap.find(shadowVert);
|
|
if(it==shadowVertexMap.end())
|
|
{
|
|
// Append
|
|
uint index= shadowVertices.size();
|
|
vertexToVSkin[i]= index;
|
|
shadowVertices.push_back(shadowVert);
|
|
shadowVertexMap.insert(make_pair(shadowVert, index));
|
|
}
|
|
else
|
|
{
|
|
// Ok, map.
|
|
vertexToVSkin[i]= it->second;
|
|
numMerged++;
|
|
}
|
|
}
|
|
|
|
ofstream ofs(string(filename + ".obj").c_str());
|
|
|
|
for(size_t y = 0; y < shadowVertices.size(); ++y)
|
|
{
|
|
CVector v = shadowVertices[y].vertex;
|
|
CVector vn = shadowVertices[y].normal;
|
|
CUV vt = shadowVertices[y].uv;
|
|
|
|
ofs << "v " << v.x << " " << v.y << " " << v.z << endl;
|
|
ofs << "vn " << vn.x << " " << vn.y << " " << vn.z << endl;
|
|
ofs << "vt " << vt.U << " " << vt.V << endl;
|
|
}
|
|
|
|
// **** Get All Faces
|
|
// Final List Of Triangles that match the bone.
|
|
vector<uint32> shadowTriangles;
|
|
shadowTriangles.reserve(1000);
|
|
// Parse all input tri of the mesh.
|
|
for(i=0; i<meshIn->getNbRdrPass(lodId); ++i)
|
|
{
|
|
ofs << "g pass" << i << endl;
|
|
|
|
const CIndexBuffer *pb = getRdrPassPrimitiveBlock(meshIn, lodId, i);
|
|
CIndexBufferRead iba;
|
|
pb->lock (iba);
|
|
if (iba.getFormat() == CIndexBuffer::Indices32)
|
|
{
|
|
const uint32 *triPtr= (const uint32 *) iba.getPtr();
|
|
|
|
for(j=0; j<pb->getNumIndexes(); ++j)
|
|
{
|
|
uint idx= *triPtr;
|
|
// Get the real Vertex (ie not the geomporhed one).
|
|
idx= vertexUsed[idx];
|
|
// Get the ShadowVertex associated
|
|
idx= vertexToVSkin[idx];
|
|
|
|
shadowTriangles.push_back(idx);
|
|
triPtr++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const uint16 *triPtr= (const uint16 *) iba.getPtr();
|
|
for(j=0; j<pb->getNumIndexes(); ++j)
|
|
{
|
|
uint idx= *triPtr;
|
|
// Get the real Vertex (ie not the geomporhed one).
|
|
idx= vertexUsed[idx];
|
|
// Get the ShadowVertex associated
|
|
idx= vertexToVSkin[idx];
|
|
|
|
shadowTriangles.push_back(idx);
|
|
triPtr++;
|
|
}
|
|
}
|
|
|
|
for(size_t pass = 0; pass<shadowTriangles.size(); pass += 3)
|
|
{
|
|
ofs << "f " << shadowTriangles[pass]+1 << "/" << shadowTriangles[pass]+1 << "/" << shadowTriangles[pass]+1 << " ";
|
|
ofs << shadowTriangles[pass+1]+1 << "/" << shadowTriangles[pass+1]+1 << "/" << shadowTriangles[pass+1]+1 << " ";
|
|
ofs << shadowTriangles[pass+2]+1 << "/" << shadowTriangles[pass+2]+1 << "/" << shadowTriangles[pass+2]+1 << endl;
|
|
}
|
|
|
|
shadowTriangles.clear();
|
|
}
|
|
|
|
ofs.close();
|
|
|
|
return true;
|
|
}
|
|
|
|
*/ |