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Viewing changes to COLLADAFramework/src/COLLADAFWMesh.cpp

  • Committer: Package Import Robot
  • Author(s): Matteo F. Vescovi
  • Date: 2015-05-14 17:23:27 UTC
  • Revision ID: package-import@ubuntu.com-20150514172327-f862u8envms01fra
Tags: upstream-0.1.0~20140703.ddf8f47+dfsg1
Import upstream version 0.1.0~20140703.ddf8f47+dfsg1

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COLLADAFramework/src/COLLADAFWMesh.cpp
 
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/*
 
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    Copyright (c) 2008-2009 NetAllied Systems GmbH
 
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    This file is part of COLLADAFramework.
 
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    Licensed under the MIT Open Source License,
 
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    for details please see LICENSE file or the website
 
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    http://www.opensource.org/licenses/mit-license.php
 
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*/
 
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#include "COLLADAFWStableHeaders.h"
 
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#include "COLLADAFWMesh.h"
 
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#include "COLLADAFWTristrips.h"
 
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#include "COLLADAFWLinestrips.h"
 
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namespace COLLADAFW
 
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{
 
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    //----------------------------------
 
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    Mesh::Mesh( const UniqueId& uniqueId )
 
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        : Geometry ( uniqueId, Geometry::GEO_TYPE_MESH )
 
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        , mMeshPrimitives(MeshPrimitiveArray::OWNER)
 
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    {
 
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    }
 
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    //----------------------------------
 
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        Mesh::~Mesh()
 
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        {
 
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                for ( size_t i = 0, count = mMeshPrimitives.getCount(); i < count; ++i)
 
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                        delete mMeshPrimitives[i];
 
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        }
 
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    //----------------------------------
 
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        size_t Mesh::getTrianglesTriangleCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::TRIANGLES);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getTristripsTriangleCount()
 
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        {
 
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                return getFaceCount(MeshPrimitive::TRIANGLE_STRIPS);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getTrifansTriangleCount()
 
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        {
 
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                return getFaceCount(MeshPrimitive::TRIANGLE_FANS);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getPolygonsPolygonCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::POLYGONS);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getPolylistPolygonCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::POLYLIST);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getPrimitiveCount( MeshPrimitive::PrimitiveType primitiveType )
 
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        {
 
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                size_t primitiveCount = 0;
 
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                for ( size_t i = 0, count = mMeshPrimitives.getCount(); i < count; ++i)
 
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                {
 
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                        MeshPrimitive* primitive = mMeshPrimitives[i];
 
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                        if ( primitive && ( primitive->getPrimitiveType() == primitiveType ) )
 
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                        {
 
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                                switch ( primitiveType )
 
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                                {
 
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                                case MeshPrimitive::TRIANGLES:
 
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                case MeshPrimitive::LINES:
 
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                                case MeshPrimitive::POLYGONS:
 
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                                case MeshPrimitive::POLYLIST:
 
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                                        primitiveCount += primitive->getFaceCount();
 
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                                        break;
 
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                                case MeshPrimitive::TRIANGLE_STRIPS:
 
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                                        {
 
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                                                Tristrips* tristrips = (Tristrips*)primitive;
 
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                                                primitiveCount += tristrips->getTristripCount();
 
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                                        }
 
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                    break;
 
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                                case MeshPrimitive::TRIANGLE_FANS:
 
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                                        {
 
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                                                // TODO not implemented
 
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                                                //Tristrips* tristrips = (Tristrips*)primitive;
 
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                                                //primitiveCount += tristrips->getTristripCount();
 
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                                        }
 
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                    break;
 
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                case MeshPrimitive::LINE_STRIPS:
 
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                    {
 
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                        Linestrips* linestrips = (Linestrips*)primitive;
 
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                        primitiveCount += linestrips->getLinestripCount ();
 
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                    }
 
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                    break;
 
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                                case MeshPrimitive::UNDEFINED_PRIMITIVE_TYPE:
 
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                                default:
 
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                                        break;
 
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                                }
 
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                        }
 
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                }
 
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                return primitiveCount;
 
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        }
 
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    //----------------------------------
 
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        size_t Mesh::getFaceCount( MeshPrimitive::PrimitiveType primitiveType )
 
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        {
 
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                size_t faceCount = 0;
 
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                for ( size_t i = 0, count = mMeshPrimitives.getCount(); i < count; ++i)
 
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                {
 
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                        MeshPrimitive* primitive = mMeshPrimitives[i];
 
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                        if ( primitive && ( primitive->getPrimitiveType() == primitiveType ) )
 
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                                faceCount += primitive->getFaceCount();
 
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                }
 
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                return faceCount;
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getTrianglesCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::TRIANGLES);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getTristripsCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::TRIANGLE_STRIPS);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getTrifansCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::TRIANGLE_FANS);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getPolygonsCount()
 
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        {
 
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                return getPrimitiveCount(MeshPrimitive::POLYGONS);
 
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        }
 
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        //---------------------------------------------------------------
 
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        size_t Mesh::getMeshPrimitiveCount( MeshPrimitive::PrimitiveType primitiveType )
 
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        {
 
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                size_t primitiveCount = 0;
 
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                for ( size_t i = 0, count = mMeshPrimitives.getCount(); i < count; ++i)
 
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                {
 
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                        MeshPrimitive* primitive = mMeshPrimitives[i];
 
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                        if ( primitive && ( primitive->getPrimitiveType() == primitiveType ) )
 
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                                primitiveCount++;
 
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                }
 
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                return primitiveCount;
 
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        }
 
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    //----------------------------------
 
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        bool Mesh::hasNormals( )const
 
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        {
 
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                return getNormals().getValuesCount() != 0;
 
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        }
 
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    //----------------------------------
 
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    const size_t Mesh::getNormalsCount() const
 
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    {
 
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        // The number of normals in the current mesh.
 
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        size_t numNormals = 0;
 
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        // We have to go through every mesh primitive.
 
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        const MeshPrimitiveArray& meshPrimitives = this->getMeshPrimitives ();
 
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        size_t count = meshPrimitives.getCount ();
 
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        for ( size_t i=0; i<count; ++i )
 
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        {
 
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            // Get the current primitive element.
 
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            const MeshPrimitive* meshPrimitive = meshPrimitives [ i ];
 
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            // Get the normal indices of the current primitive.
 
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            const UIntValuesArray& normalIndices = meshPrimitive->getNormalIndices ();
 
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            switch ( meshPrimitive->getPrimitiveType () )
 
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            {
 
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            case COLLADAFW::MeshPrimitive::TRIANGLE_FANS:
 
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            case COLLADAFW::MeshPrimitive::TRIANGLE_STRIPS:
 
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                {
 
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                    COLLADAFW::MeshPrimitiveWithFaceVertexCount<unsigned int>* trifans = (COLLADAFW::MeshPrimitiveWithFaceVertexCount<unsigned int>*) meshPrimitive;
 
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                    COLLADAFW::MeshPrimitiveWithFaceVertexCount<unsigned int>::VertexCountArray& vertexCountArray = trifans->getGroupedVerticesVertexCountArray ();
 
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                    size_t groupedVtxCount = vertexCountArray.getCount ();
 
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                    for ( size_t groupedVtxIndex=0; groupedVtxIndex<groupedVtxCount; ++groupedVtxIndex )
 
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                    {
 
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                        // Iterate over the indices and write their normal values into the maya file.
 
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                        size_t indexCount = vertexCountArray[groupedVtxIndex]; //normalIndices.getCount();
 
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                        numNormals += (indexCount - 2) * 3;
 
201
                    }
 
202
                }
 
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                break;
 
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            default:
 
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                {
 
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                    // Add the normals to the sum of normals
 
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                    numNormals += normalIndices.getCount ();
 
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                }
 
209
            }
 
210
        }
 
211
 
 
212
        return numNormals;
 
213
    }
 
214
 
 
215
    //----------------------------------
 
216
    const size_t Mesh::getFacesCount() const
 
217
    {
 
218
        // The number of faces in the current mesh.
 
219
        size_t numFaces = 0;
 
220
 
 
221
        // We have to go through every mesh primitive.
 
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        const MeshPrimitiveArray& meshPrimitives = this->getMeshPrimitives ();
 
223
        size_t count = meshPrimitives.getCount ();
 
224
        for ( size_t i=0; i<count; ++i )
 
225
        {
 
226
            // Get the current primitive element.
 
227
            const MeshPrimitive* meshPrimitive = meshPrimitives [ i ];
 
228
 
 
229
            // Add the face count to the sum of faces
 
230
            numFaces += meshPrimitive->getFaceCount ();
 
231
        }
 
232
 
 
233
        return numFaces;
 
234
    }
 
235
 
 
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} // namespace COLLADAFW