98 lines
2.2 KiB
C++
98 lines
2.2 KiB
C++
// 3dstocmod.cpp
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//
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// Copyright (C) 2004-2010, Chris Laurel <claurel@gmail.com>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// Convert a 3DS file to a Celestia mesh (.cmod) file
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#include "convert3ds.h"
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#include "cmodops.h"
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#include <celmodel/modelfile.h>
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#include <cel3ds/3dsread.h>
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#include <celmath/mathlib.h>
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#include <cstring>
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#include <cassert>
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#include <cmath>
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#include <cstdio>
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using namespace cmod;
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using namespace std;
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using namespace celmath;
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void usage()
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{
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cerr << "Usage: 3dstocmod <input 3ds file>\n";
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}
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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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usage();
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return 1;
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}
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string inputFileName = argv[1];
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cerr << "Reading...\n";
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M3DScene* scene = Read3DSFile(inputFileName);
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if (scene == nullptr)
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{
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cerr << "Error reading 3DS file '" << inputFileName << "'\n";
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return 1;
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}
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cerr << "Converting...\n";
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Model* model = Convert3DSModel(*scene);
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if (!model)
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{
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cerr << "Error converting 3DS file to Celestia model\n";
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return 1;
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}
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// Generate normals for the model
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double smoothAngle = 45.0; // degrees
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double weldTolerance = 1.0e-6;
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bool weldVertices = true;
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Model* newModel = GenerateModelNormals(*model, (float)degToRad(smoothAngle), weldVertices, weldTolerance);
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delete model;
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if (!newModel)
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{
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cerr << "Ran out of memory while generating surface normals.\n";
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return 1;
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}
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// Automatically uniquify vertices
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for (unsigned int i = 0; newModel->getMesh(i) != nullptr; i++)
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{
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Mesh* mesh = newModel->getMesh(i);
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UniquifyVertices(*mesh);
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}
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model = newModel;
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#if 0
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// Print information about primitive groups
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for (uint32_t i = 0; model->getMesh(i); i++)
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{
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const Mesh* mesh = model->getMesh(i);
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for (uint32_t j = 0; mesh->getGroup(j); j++)
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{
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const Mesh::PrimitiveGroup* group = mesh->getGroup(j);
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}
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}
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#endif
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SaveModelAscii(model, cout);
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return 0;
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}
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