1191 lines
41 KiB
C++
1191 lines
41 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2016, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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#ifndef ASSIMP_BUILD_NO_OPENGEX_IMPORTER
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#include "OpenGEXImporter.h"
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#include "DefaultIOSystem.h"
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#include <assimp/DefaultLogger.hpp>
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#include "MakeVerboseFormat.h"
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#include "StringComparison.h"
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#include <openddlparser/OpenDDLParser.h>
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#include <assimp/scene.h>
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#include <assimp/ai_assert.h>
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#include <vector>
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static const std::string OpenGexExt = "ogex";
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static const aiImporterDesc desc = {
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"Open Game Engine Exchange",
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"",
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"",
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"",
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aiImporterFlags_SupportTextFlavour,
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0,
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0,
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0,
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0,
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OpenGexExt.c_str()
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};
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namespace Grammar {
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static const std::string MetricType = "Metric";
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static const std::string Metric_DistanceType = "distance";
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static const std::string Metric_AngleType = "angle";
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static const std::string Metric_TimeType = "time";
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static const std::string Metric_UpType = "up";
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static const std::string NameType = "Name";
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static const std::string ObjectRefType = "ObjectRef";
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static const std::string MaterialRefType = "MaterialRef";
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static const std::string MetricKeyType = "key";
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static const std::string GeometryNodeType = "GeometryNode";
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static const std::string CameraNodeType = "CameraNode";
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static const std::string LightNodeType = "LightNode";
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static const std::string GeometryObjectType = "GeometryObject";
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static const std::string CameraObjectType = "CameraObject";
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static const std::string LightObjectType = "LightObject";
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static const std::string TransformType = "Transform";
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static const std::string MeshType = "Mesh";
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static const std::string VertexArrayType = "VertexArray";
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static const std::string IndexArrayType = "IndexArray";
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static const std::string MaterialType = "Material";
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static const std::string ColorType = "Color";
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static const std::string ParamType = "Param";
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static const std::string TextureType = "Texture";
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static const std::string AttenType = "Atten";
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static const std::string DiffuseColorToken = "diffuse";
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static const std::string SpecularColorToken = "specular";
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static const std::string EmissionColorToken = "emission";
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static const std::string DiffuseTextureToken = "diffuse";
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static const std::string DiffuseSpecularTextureToken = "specular";
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static const std::string SpecularPowerTextureToken = "specular_power";
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static const std::string EmissionTextureToken = "emission";
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static const std::string OpacyTextureToken = "opacity";
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static const std::string TransparencyTextureToken = "transparency";
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static const std::string NormalTextureToken = "normal";
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enum TokenType {
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NoneType = -1,
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MetricToken,
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NameToken,
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ObjectRefToken,
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MaterialRefToken,
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MetricKeyToken,
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GeometryNodeToken,
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CameraNodeToken,
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LightNodeToken,
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GeometryObjectToken,
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CameraObjectToken,
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LightObjectToken,
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TransformToken,
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MeshToken,
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VertexArrayToken,
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IndexArrayToken,
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MaterialToken,
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ColorToken,
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ParamToken,
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TextureToken,
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AttenToken
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};
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static const std::string ValidMetricToken[ 4 ] = {
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Metric_DistanceType,
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Metric_AngleType,
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Metric_TimeType,
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Metric_UpType
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};
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static int isValidMetricType( const char *token ) {
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if( nullptr == token ) {
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return false;
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}
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int idx( -1 );
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for( size_t i = 0; i < 4; i++ ) {
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if( ValidMetricToken[ i ] == token ) {
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idx = (int) i;
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break;
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}
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}
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return idx;
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}
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static TokenType matchTokenType( const char *tokenType ) {
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if( MetricType == tokenType ) {
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return MetricToken;
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} else if( NameType == tokenType ) {
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return NameToken;
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} else if( ObjectRefType == tokenType ) {
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return ObjectRefToken;
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} else if( MaterialRefType == tokenType ) {
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return MaterialRefToken;
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} else if( MetricKeyType == tokenType ) {
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return MetricKeyToken;
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} else if ( GeometryNodeType == tokenType ) {
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return GeometryNodeToken;
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} else if ( CameraNodeType == tokenType ) {
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return CameraNodeToken;
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} else if ( LightNodeType == tokenType ) {
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return LightNodeToken;
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} else if ( GeometryObjectType == tokenType ) {
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return GeometryObjectToken;
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} else if ( CameraObjectType == tokenType ) {
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return CameraObjectToken;
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} else if ( LightObjectType == tokenType ) {
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return LightObjectToken;
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} else if( TransformType == tokenType ) {
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return TransformToken;
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} else if( MeshType == tokenType ) {
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return MeshToken;
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} else if( VertexArrayType == tokenType ) {
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return VertexArrayToken;
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} else if( IndexArrayType == tokenType ) {
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return IndexArrayToken;
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} else if( MaterialType == tokenType ) {
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return MaterialToken;
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} else if ( ColorType == tokenType ) {
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return ColorToken;
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} else if ( ParamType == tokenType ) {
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return ParamToken;
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} else if( TextureType == tokenType ) {
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return TextureToken;
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} else if ( AttenType == tokenType ) {
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return AttenToken;
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}
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return NoneType;
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}
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} // Namespace Grammar
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namespace Assimp {
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namespace OpenGEX {
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USE_ODDLPARSER_NS
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//------------------------------------------------------------------------------------------------
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static void propId2StdString( Property *prop, std::string &name, std::string &key ) {
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name = key = "";
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if ( nullptr == prop ) {
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return;
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}
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if ( nullptr != prop->m_key ) {
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name = prop->m_key->m_buffer;
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if ( Value::ddl_string == prop->m_value->m_type ) {
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key = prop->m_value->getString();
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}
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}
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}
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//------------------------------------------------------------------------------------------------
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OpenGEXImporter::VertexContainer::VertexContainer()
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: m_numVerts( 0 )
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, m_vertices( nullptr )
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, m_numNormals( 0 )
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, m_normals( nullptr )
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, m_numUVComps()
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, m_textureCoords()
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{
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// empty
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}
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//------------------------------------------------------------------------------------------------
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OpenGEXImporter::VertexContainer::~VertexContainer() {
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delete[] m_vertices;
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delete[] m_normals;
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for(auto &texcoords : m_textureCoords) {
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delete [] texcoords;
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}
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}
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//------------------------------------------------------------------------------------------------
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OpenGEXImporter::RefInfo::RefInfo( aiNode *node, Type type, std::vector<std::string> &names )
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: m_node( node )
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, m_type( type )
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, m_Names( names ) {
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// empty
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}
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//------------------------------------------------------------------------------------------------
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OpenGEXImporter::RefInfo::~RefInfo() {
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// empty
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}
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//------------------------------------------------------------------------------------------------
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OpenGEXImporter::OpenGEXImporter()
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: m_root( nullptr )
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, m_nodeChildMap()
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, m_meshCache()
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, m_mesh2refMap()
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, m_ctx( nullptr )
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, m_metrics()
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, m_currentNode( nullptr )
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, m_currentVertices()
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, m_currentMesh( nullptr )
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, m_currentMaterial( nullptr )
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, m_currentLight( nullptr )
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, m_currentCamera( nullptr )
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, m_tokenType( Grammar::NoneType )
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, m_materialCache()
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, m_cameraCache()
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, m_lightCache()
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, m_nodeStack()
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, m_unresolvedRefStack() {
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// empty
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}
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//------------------------------------------------------------------------------------------------
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OpenGEXImporter::~OpenGEXImporter() {
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m_ctx = NULL;
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}
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//------------------------------------------------------------------------------------------------
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bool OpenGEXImporter::CanRead( const std::string &file, IOSystem *pIOHandler, bool checkSig ) const {
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bool canRead( false );
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if( !checkSig ) {
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canRead = SimpleExtensionCheck( file, OpenGexExt.c_str() );
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} else {
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static const char *token[] = { "Metric", "GeometryNode", "VertexArray (attrib", "IndexArray" };
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canRead = BaseImporter::SearchFileHeaderForToken( pIOHandler, file, token, 4 );
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}
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return canRead;
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}
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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::InternReadFile( const std::string &filename, aiScene *pScene, IOSystem *pIOHandler ) {
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// open source file
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IOStream *file = pIOHandler->Open( filename, "rb" );
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if( !file ) {
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throw DeadlyImportError( "Failed to open file " + filename );
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}
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std::vector<char> buffer;
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TextFileToBuffer( file, buffer );
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OpenDDLParser myParser;
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myParser.setBuffer( &buffer[ 0 ], buffer.size() );
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bool success( myParser.parse() );
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if( success ) {
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m_ctx = myParser.getContext();
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pScene->mRootNode = new aiNode;
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pScene->mRootNode->mName.Set( filename );
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handleNodes( m_ctx->m_root, pScene );
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}
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copyMeshes( pScene );
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copyCameras( pScene );
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copyLights( pScene );
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resolveReferences();
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createNodeTree( pScene );
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}
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//------------------------------------------------------------------------------------------------
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const aiImporterDesc *OpenGEXImporter::GetInfo() const {
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return &desc;
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}
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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::SetupProperties( const Importer *pImp ) {
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if( nullptr == pImp ) {
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return;
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}
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}
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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::handleNodes( DDLNode *node, aiScene *pScene ) {
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if( nullptr == node ) {
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return;
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}
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DDLNode::DllNodeList childs = node->getChildNodeList();
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for( DDLNode::DllNodeList::iterator it = childs.begin(); it != childs.end(); ++it ) {
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Grammar::TokenType tokenType( Grammar::matchTokenType( ( *it )->getType().c_str() ) );
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switch( tokenType ) {
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case Grammar::MetricToken:
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handleMetricNode( *it, pScene );
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break;
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case Grammar::NameToken:
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handleNameNode( *it, pScene );
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break;
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case Grammar::ObjectRefToken:
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handleObjectRefNode( *it, pScene );
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break;
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case Grammar::MaterialRefToken:
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handleMaterialRefNode( *it, pScene );
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break;
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case Grammar::MetricKeyToken:
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break;
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case Grammar::GeometryNodeToken:
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handleGeometryNode( *it, pScene );
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break;
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case Grammar::CameraNodeToken:
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handleCameraNode( *it, pScene );
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break;
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case Grammar::LightNodeToken:
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handleLightNode( *it, pScene );
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break;
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case Grammar::GeometryObjectToken:
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handleGeometryObject( *it, pScene );
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break;
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case Grammar::CameraObjectToken:
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handleCameraObject( *it, pScene );
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break;
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case Grammar::LightObjectToken:
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handleLightObject( *it, pScene );
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break;
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case Grammar::TransformToken:
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handleTransformNode( *it, pScene );
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break;
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case Grammar::MeshToken:
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handleMeshNode( *it, pScene );
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break;
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case Grammar::VertexArrayToken:
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handleVertexArrayNode( *it, pScene );
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break;
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case Grammar::IndexArrayToken:
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handleIndexArrayNode( *it, pScene );
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break;
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case Grammar::MaterialToken:
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handleMaterialNode( *it, pScene );
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break;
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case Grammar::ColorToken:
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handleColorNode( *it, pScene );
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break;
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case Grammar::ParamToken:
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handleParamNode( *it, pScene );
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break;
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case Grammar::TextureToken:
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handleTextureNode( *it, pScene );
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break;
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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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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::handleMetricNode( DDLNode *node, aiScene *pScene ) {
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if( nullptr == node || nullptr == m_ctx ) {
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return;
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}
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if( m_ctx->m_root != node->getParent() ) {
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return;
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}
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Property *prop( node->getProperties() );
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while( nullptr != prop ) {
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if( nullptr != prop->m_key ) {
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if( Value::ddl_string == prop->m_value->m_type ) {
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std::string valName( ( char* ) prop->m_value->m_data );
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int type( Grammar::isValidMetricType( valName.c_str() ) );
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if( Grammar::NoneType != type ) {
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Value *val( node->getValue() );
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if( nullptr != val ) {
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if( Value::ddl_float == val->m_type ) {
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m_metrics[ type ].m_floatValue = val->getFloat();
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} else if( Value::ddl_int32 == val->m_type ) {
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m_metrics[ type ].m_intValue = val->getInt32();
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} else if( Value::ddl_string == val->m_type ) {
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m_metrics[type].m_stringValue = std::string( val->getString() );
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} else {
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throw DeadlyImportError( "OpenGEX: invalid data type for Metric node." );
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}
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}
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}
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}
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}
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prop = prop->m_next;
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}
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}
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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::handleNameNode( DDLNode *node, aiScene *pScene ) {
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if( NULL == m_currentNode ) {
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throw DeadlyImportError( "No current node for name." );
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return;
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}
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Value *val( node->getValue() );
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if( NULL != val ) {
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if( Value::ddl_string != val->m_type ) {
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throw DeadlyImportError( "OpenGEX: invalid data type for value in node name." );
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return;
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}
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const std::string name( val->getString() );
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if( m_tokenType == Grammar::GeometryNodeToken || m_tokenType == Grammar::LightNodeToken
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|| m_tokenType == Grammar::CameraNodeToken ) {
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m_currentNode->mName.Set( name.c_str() );
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} else if( m_tokenType == Grammar::MaterialToken ) {
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}
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}
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}
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//------------------------------------------------------------------------------------------------
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static void getRefNames( DDLNode *node, std::vector<std::string> &names ) {
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ai_assert( NULL != node );
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Reference *ref = node->getReferences();
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if( nullptr != ref ) {
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for( size_t i = 0; i < ref->m_numRefs; i++ ) {
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Name *currentName( ref->m_referencedName[ i ] );
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if( nullptr != currentName && nullptr != currentName->m_id ) {
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const std::string name( currentName->m_id->m_buffer );
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if( !name.empty() ) {
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names.push_back( name );
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}
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}
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}
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}
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}
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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::handleObjectRefNode( DDLNode *node, aiScene *pScene ) {
|
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if( nullptr == m_currentNode ) {
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throw DeadlyImportError( "No parent node for name." );
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return;
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}
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std::vector<std::string> objRefNames;
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getRefNames( node, objRefNames );
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// when we are dealing with a geometry node prepare the mesh cache
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if ( m_tokenType == Grammar::GeometryNodeToken ) {
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m_currentNode->mNumMeshes = objRefNames.size();
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m_currentNode->mMeshes = new unsigned int[ objRefNames.size() ];
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if ( !objRefNames.empty() ) {
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m_unresolvedRefStack.push_back( new RefInfo( m_currentNode, RefInfo::MeshRef, objRefNames ) );
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}
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}
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}
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//------------------------------------------------------------------------------------------------
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void OpenGEXImporter::handleMaterialRefNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
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if( nullptr == m_currentNode ) {
|
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throw DeadlyImportError( "No parent node for name." );
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return;
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}
|
|
|
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std::vector<std::string> matRefNames;
|
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getRefNames( node, matRefNames );
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if( !matRefNames.empty() ) {
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m_unresolvedRefStack.push_back( new RefInfo( m_currentNode, RefInfo::MaterialRef, matRefNames ) );
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}
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}
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|
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//------------------------------------------------------------------------------------------------
|
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void OpenGEXImporter::handleGeometryNode( DDLNode *node, aiScene *pScene ) {
|
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aiNode *newNode = new aiNode;
|
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pushNode( newNode, pScene );
|
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m_tokenType = Grammar::GeometryNodeToken;
|
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m_currentNode = newNode;
|
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handleNodes( node, pScene );
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popNode();
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}
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|
|
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//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleCameraNode( DDLNode *node, aiScene *pScene ) {
|
|
aiCamera *camera( new aiCamera );
|
|
m_cameraCache.push_back( camera );
|
|
m_currentCamera = camera;
|
|
|
|
aiNode *newNode = new aiNode;
|
|
pushNode( newNode, pScene );
|
|
m_tokenType = Grammar::CameraNodeToken;
|
|
m_currentNode = newNode;
|
|
|
|
handleNodes( node, pScene );
|
|
|
|
popNode();
|
|
|
|
m_currentCamera->mName.Set( newNode->mName.C_Str() );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleLightNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
aiLight *light( new aiLight );
|
|
m_lightCache.push_back( light );
|
|
m_currentLight = light;
|
|
|
|
aiNode *newNode = new aiNode;
|
|
m_tokenType = Grammar::LightNodeToken;
|
|
m_currentNode = newNode;
|
|
pushNode( newNode, pScene );
|
|
|
|
handleNodes( node, pScene );
|
|
|
|
popNode();
|
|
|
|
m_currentLight->mName.Set( newNode->mName.C_Str() );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleGeometryObject( DDLNode *node, aiScene *pScene ) {
|
|
// parameters will be parsed normally in the tree, so just go for it
|
|
handleNodes( node, pScene );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleCameraObject( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
// parameters will be parsed normally in the tree, so just go for it
|
|
|
|
handleNodes( node, pScene );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleLightObject( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
|
|
Property *prop( node->findPropertyByName( "type" ) );
|
|
if ( nullptr != prop ) {
|
|
if ( nullptr != prop->m_value ) {
|
|
std::string typeStr( prop->m_value->getString() );
|
|
if ( "point" == typeStr ) {
|
|
m_currentLight->mType = aiLightSource_POINT;
|
|
} else if ( "spot" == typeStr ) {
|
|
m_currentLight->mType = aiLightSource_SPOT;
|
|
} else if ( "infinite" == typeStr ) {
|
|
m_currentLight->mType = aiLightSource_DIRECTIONAL;
|
|
}
|
|
}
|
|
}
|
|
|
|
// parameters will be parsed normally in the tree, so just go for it
|
|
handleNodes( node, pScene );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static void setMatrix( aiNode *node, DataArrayList *transformData ) {
|
|
ai_assert( nullptr != node );
|
|
ai_assert( nullptr != transformData );
|
|
|
|
float m[ 16 ];
|
|
size_t i( 1 );
|
|
Value *next( transformData->m_dataList->m_next );
|
|
m[ 0 ] = transformData->m_dataList->getFloat();
|
|
while( next != nullptr ) {
|
|
m[ i ] = next->getFloat();
|
|
next = next->m_next;
|
|
i++;
|
|
}
|
|
|
|
node->mTransformation.a1 = m[ 0 ];
|
|
node->mTransformation.a2 = m[ 4 ];
|
|
node->mTransformation.a3 = m[ 8 ];
|
|
node->mTransformation.a4 = m[ 12 ];
|
|
|
|
node->mTransformation.b1 = m[ 1 ];
|
|
node->mTransformation.b2 = m[ 5 ];
|
|
node->mTransformation.b3 = m[ 9 ];
|
|
node->mTransformation.b4 = m[ 13 ];
|
|
|
|
node->mTransformation.c1 = m[ 2 ];
|
|
node->mTransformation.c2 = m[ 6 ];
|
|
node->mTransformation.c3 = m[ 10 ];
|
|
node->mTransformation.c4 = m[ 14 ];
|
|
|
|
node->mTransformation.d1 = m[ 3 ];
|
|
node->mTransformation.d2 = m[ 7 ];
|
|
node->mTransformation.d3 = m[ 11 ];
|
|
node->mTransformation.d4 = m[ 15 ];
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleTransformNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if( nullptr == m_currentNode ) {
|
|
throw DeadlyImportError( "No parent node for name." );
|
|
return;
|
|
}
|
|
|
|
DataArrayList *transformData( node->getDataArrayList() );
|
|
if( nullptr != transformData ) {
|
|
if( transformData->m_numItems != 16 ) {
|
|
throw DeadlyImportError( "Invalid number of data for transform matrix." );
|
|
return;
|
|
}
|
|
setMatrix( m_currentNode, transformData );
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleMeshNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
m_currentMesh = new aiMesh;
|
|
const size_t meshidx( m_meshCache.size() );
|
|
m_meshCache.push_back( m_currentMesh );
|
|
|
|
Property *prop = node->getProperties();
|
|
if( nullptr != prop ) {
|
|
std::string propName, propKey;
|
|
propId2StdString( prop, propName, propKey );
|
|
if( "primitive" == propName ) {
|
|
if ( "points" == propKey ) {
|
|
m_currentMesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
|
|
} else if ( "lines" == propKey ) {
|
|
m_currentMesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
|
|
} else if( "triangles" == propKey ) {
|
|
m_currentMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
|
|
} else if ( "quads" == propKey ) {
|
|
m_currentMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
|
|
} else {
|
|
DefaultLogger::get()->warn( propKey + " is not supported primitive type." );
|
|
}
|
|
}
|
|
}
|
|
|
|
handleNodes( node, pScene );
|
|
|
|
DDLNode *parent( node->getParent() );
|
|
if( nullptr != parent ) {
|
|
const std::string &name = parent->getName();
|
|
m_mesh2refMap[ name ] = meshidx;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
enum MeshAttribute {
|
|
None,
|
|
Position,
|
|
Normal,
|
|
TexCoord
|
|
};
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static MeshAttribute getAttributeByName( const char *attribName ) {
|
|
ai_assert( nullptr != attribName );
|
|
|
|
if( 0 == strncmp( "position", attribName, strlen( "position" ) ) ) {
|
|
return Position;
|
|
} else if( 0 == strncmp( "normal", attribName, strlen( "normal" ) ) ) {
|
|
return Normal;
|
|
} else if( 0 == strncmp( "texcoord", attribName, strlen( "texcoord" ) ) ) {
|
|
return TexCoord;
|
|
}
|
|
|
|
return None;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static void fillVector3( aiVector3D *vec3, Value *vals ) {
|
|
ai_assert( nullptr != vec3 );
|
|
ai_assert( nullptr != vals );
|
|
|
|
float x( 0.0f ), y( 0.0f ), z( 0.0f );
|
|
Value *next( vals );
|
|
x = next->getFloat();
|
|
next = next->m_next;
|
|
y = next->getFloat();
|
|
next = next->m_next;
|
|
if( nullptr != next ) {
|
|
z = next->getFloat();
|
|
}
|
|
|
|
vec3->Set( x, y, z );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static size_t countDataArrayListItems( DataArrayList *vaList ) {
|
|
size_t numItems( 0 );
|
|
if( nullptr == vaList ) {
|
|
return numItems;
|
|
}
|
|
|
|
DataArrayList *next( vaList );
|
|
while( nullptr != next ) {
|
|
if( nullptr != vaList->m_dataList ) {
|
|
numItems++;
|
|
}
|
|
next = next->m_next;
|
|
}
|
|
|
|
return numItems;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static void copyVectorArray( size_t numItems, DataArrayList *vaList, aiVector3D *vectorArray ) {
|
|
for( size_t i = 0; i < numItems; i++ ) {
|
|
Value *next( vaList->m_dataList );
|
|
fillVector3( &vectorArray[ i ], next );
|
|
vaList = vaList->m_next;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleVertexArrayNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if( nullptr == node ) {
|
|
throw DeadlyImportError( "No parent node for name." );
|
|
return;
|
|
}
|
|
|
|
Property *prop( node->getProperties() );
|
|
if( nullptr != prop ) {
|
|
std::string propName, propKey;
|
|
propId2StdString( prop, propName, propKey );
|
|
MeshAttribute attribType( getAttributeByName( propKey.c_str() ) );
|
|
if( None == attribType ) {
|
|
return;
|
|
}
|
|
|
|
DataArrayList *vaList = node->getDataArrayList();
|
|
if( nullptr == vaList ) {
|
|
return;
|
|
}
|
|
|
|
const size_t numItems( countDataArrayListItems( vaList ) );
|
|
|
|
if( Position == attribType ) {
|
|
m_currentVertices.m_numVerts = numItems;
|
|
m_currentVertices.m_vertices = new aiVector3D[ numItems ];
|
|
copyVectorArray( numItems, vaList, m_currentVertices.m_vertices );
|
|
} else if( Normal == attribType ) {
|
|
m_currentVertices.m_numNormals = numItems;
|
|
m_currentVertices.m_normals = new aiVector3D[ numItems ];
|
|
copyVectorArray( numItems, vaList, m_currentVertices.m_normals );
|
|
} else if( TexCoord == attribType ) {
|
|
m_currentVertices.m_numUVComps[ 0 ] = numItems;
|
|
m_currentVertices.m_textureCoords[ 0 ] = new aiVector3D[ numItems ];
|
|
copyVectorArray( numItems, vaList, m_currentVertices.m_textureCoords[ 0 ] );
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleIndexArrayNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if( nullptr == node ) {
|
|
throw DeadlyImportError( "No parent node for name." );
|
|
return;
|
|
}
|
|
|
|
if( nullptr == m_currentMesh ) {
|
|
throw DeadlyImportError( "No current mesh for index data found." );
|
|
return;
|
|
}
|
|
|
|
DataArrayList *vaList = node->getDataArrayList();
|
|
if( nullptr == vaList ) {
|
|
return;
|
|
}
|
|
|
|
const size_t numItems( countDataArrayListItems( vaList ) );
|
|
m_currentMesh->mNumFaces = numItems;
|
|
m_currentMesh->mFaces = new aiFace[ numItems ];
|
|
m_currentMesh->mNumVertices = numItems * 3;
|
|
m_currentMesh->mVertices = new aiVector3D[ m_currentMesh->mNumVertices ];
|
|
bool hasNormalCoords( false );
|
|
if ( m_currentVertices.m_numNormals > 0 ) {
|
|
m_currentMesh->mNormals = new aiVector3D[ m_currentMesh->mNumVertices ];
|
|
hasNormalCoords = true;
|
|
}
|
|
bool hasTexCoords( false );
|
|
if ( m_currentVertices.m_numUVComps[ 0 ] > 0 ) {
|
|
m_currentMesh->mTextureCoords[ 0 ] = new aiVector3D[ m_currentMesh->mNumVertices ];
|
|
hasTexCoords = true;
|
|
}
|
|
|
|
unsigned int index( 0 );
|
|
for( size_t i = 0; i < m_currentMesh->mNumFaces; i++ ) {
|
|
aiFace ¤t( m_currentMesh->mFaces[ i ] );
|
|
current.mNumIndices = 3;
|
|
current.mIndices = new unsigned int[ current.mNumIndices ];
|
|
Value *next( vaList->m_dataList );
|
|
for( size_t indices = 0; indices < current.mNumIndices; indices++ ) {
|
|
const int idx( next->getUnsignedInt32() );
|
|
ai_assert( static_cast<size_t>( idx ) <= m_currentVertices.m_numVerts );
|
|
ai_assert( index < m_currentMesh->mNumVertices );
|
|
aiVector3D &pos = ( m_currentVertices.m_vertices[ idx ] );
|
|
m_currentMesh->mVertices[ index ].Set( pos.x, pos.y, pos.z );
|
|
if ( hasNormalCoords ) {
|
|
aiVector3D &normal = ( m_currentVertices.m_normals[ idx ] );
|
|
m_currentMesh->mNormals[ index ].Set( normal.x, normal.y, normal.z );
|
|
}
|
|
if ( hasTexCoords ) {
|
|
aiVector3D &tex = ( m_currentVertices.m_textureCoords[ 0 ][ idx ] );
|
|
m_currentMesh->mTextureCoords[ 0 ][ index ].Set( tex.x, tex.y, tex.z );
|
|
}
|
|
current.mIndices[ indices ] = index;
|
|
index++;
|
|
|
|
next = next->m_next;
|
|
}
|
|
vaList = vaList->m_next;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static void getColorRGB( aiColor3D *pColor, DataArrayList *colList ) {
|
|
if( nullptr == pColor || nullptr == colList ) {
|
|
return;
|
|
}
|
|
|
|
ai_assert( 3 == colList->m_numItems );
|
|
Value *val( colList->m_dataList );
|
|
pColor->r = val->getFloat();
|
|
val = val->getNext();
|
|
pColor->g = val->getFloat();
|
|
val = val->getNext();
|
|
pColor->b = val->getFloat();
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
enum ColorType {
|
|
NoneColor = 0,
|
|
DiffuseColor,
|
|
SpecularColor,
|
|
EmissionColor,
|
|
LightColor
|
|
};
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static ColorType getColorType( Text *id ) {
|
|
if ( nullptr == id ) {
|
|
return NoneColor;
|
|
}
|
|
|
|
if( *id == Grammar::DiffuseColorToken ) {
|
|
return DiffuseColor;
|
|
} else if( *id == Grammar::SpecularColorToken ) {
|
|
return SpecularColor;
|
|
} else if( *id == Grammar::EmissionColorToken ) {
|
|
return EmissionColor;
|
|
} else if ( *id == "light" ) {
|
|
return LightColor;
|
|
}
|
|
|
|
return NoneColor;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleMaterialNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
m_currentMaterial = new aiMaterial;
|
|
m_materialCache.push_back( m_currentMaterial );
|
|
m_tokenType = Grammar::MaterialToken;
|
|
handleNodes( node, pScene );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleColorNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if( nullptr == node ) {
|
|
return;
|
|
}
|
|
|
|
Property *prop = node->findPropertyByName( "attrib" );
|
|
if( nullptr != prop ) {
|
|
if( nullptr != prop->m_value ) {
|
|
DataArrayList *colList( node->getDataArrayList() );
|
|
if( nullptr == colList ) {
|
|
return;
|
|
}
|
|
aiColor3D col;
|
|
getColorRGB( &col, colList );
|
|
const ColorType colType( getColorType( prop->m_key ) );
|
|
if( DiffuseColor == colType ) {
|
|
m_currentMaterial->AddProperty( &col, 1, AI_MATKEY_COLOR_DIFFUSE );
|
|
} else if( SpecularColor == colType ) {
|
|
m_currentMaterial->AddProperty( &col, 1, AI_MATKEY_COLOR_SPECULAR );
|
|
} else if( EmissionColor == colType ) {
|
|
m_currentMaterial->AddProperty( &col, 1, AI_MATKEY_COLOR_EMISSIVE );
|
|
} else if ( LightColor == colType ) {
|
|
m_currentLight->mColorDiffuse = col;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleTextureNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if( nullptr == node ) {
|
|
return;
|
|
}
|
|
|
|
Property *prop = node->findPropertyByName( "attrib" );
|
|
if( nullptr != prop ) {
|
|
if( nullptr != prop->m_value ) {
|
|
Value *val( node->getValue() );
|
|
if( nullptr != val ) {
|
|
aiString tex;
|
|
tex.Set( val->getString() );
|
|
if( prop->m_value->getString() == Grammar::DiffuseTextureToken ) {
|
|
m_currentMaterial->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE( 0 ) );
|
|
} else if( prop->m_value->getString() == Grammar::SpecularPowerTextureToken ) {
|
|
m_currentMaterial->AddProperty( &tex, AI_MATKEY_TEXTURE_SPECULAR( 0 ) );
|
|
|
|
} else if( prop->m_value->getString() == Grammar::EmissionTextureToken ) {
|
|
m_currentMaterial->AddProperty( &tex, AI_MATKEY_TEXTURE_EMISSIVE( 0 ) );
|
|
} else if( prop->m_value->getString() == Grammar::OpacyTextureToken ) {
|
|
m_currentMaterial->AddProperty( &tex, AI_MATKEY_TEXTURE_OPACITY( 0 ) );
|
|
} else if( prop->m_value->getString() == Grammar::TransparencyTextureToken ) {
|
|
// ToDo!
|
|
// m_currentMaterial->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE( 0 ) );
|
|
} else if( prop->m_value->getString() == Grammar::NormalTextureToken ) {
|
|
m_currentMaterial->AddProperty( &tex, AI_MATKEY_TEXTURE_NORMALS( 0 ) );
|
|
} else {
|
|
ai_assert( false );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleParamNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if ( nullptr == node ) {
|
|
return;
|
|
}
|
|
|
|
Property *prop = node->findPropertyByName( "attrib" );
|
|
if ( nullptr == prop ) {
|
|
return;
|
|
}
|
|
|
|
if ( nullptr != prop->m_value ) {
|
|
Value *val( node->getValue() );
|
|
if ( nullptr == val ) {
|
|
return;
|
|
}
|
|
const float floatVal( val->getFloat() );
|
|
if ( prop->m_value != nullptr ) {
|
|
if ( 0 == ASSIMP_strincmp( "fov", prop->m_value->getString(), 3 ) ) {
|
|
m_currentCamera->mHorizontalFOV = floatVal;
|
|
} else if ( 0 == ASSIMP_strincmp( "near", prop->m_value->getString(), 3 ) ) {
|
|
m_currentCamera->mClipPlaneNear = floatVal;
|
|
} else if ( 0 == ASSIMP_strincmp( "far", prop->m_value->getString(), 3 ) ) {
|
|
m_currentCamera->mClipPlaneFar = floatVal;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::handleAttenNode( ODDLParser::DDLNode *node, aiScene *pScene ) {
|
|
if ( nullptr == node ) {
|
|
return;
|
|
}
|
|
|
|
Property *prop = node->findPropertyByName( "curve" );
|
|
if ( nullptr != prop ) {
|
|
if ( nullptr != prop->m_value ) {
|
|
Value *val( node->getValue() );
|
|
const float floatVal( val->getFloat() );
|
|
if ( 0 == strncmp( "scale", prop->m_value->getString(), strlen( "scale" ) ) ) {
|
|
m_currentLight->mAttenuationQuadratic = floatVal;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::copyMeshes( aiScene *pScene ) {
|
|
ai_assert( nullptr != pScene );
|
|
|
|
if( m_meshCache.empty() ) {
|
|
return;
|
|
}
|
|
|
|
pScene->mNumMeshes = m_meshCache.size();
|
|
pScene->mMeshes = new aiMesh*[ pScene->mNumMeshes ];
|
|
std::copy( m_meshCache.begin(), m_meshCache.end(), pScene->mMeshes );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::copyCameras( aiScene *pScene ) {
|
|
ai_assert( nullptr != pScene );
|
|
|
|
if ( m_cameraCache.empty() ) {
|
|
return;
|
|
}
|
|
|
|
pScene->mNumCameras = m_cameraCache.size();
|
|
pScene->mCameras = new aiCamera*[ pScene->mNumCameras ];
|
|
std::copy( m_cameraCache.begin(), m_cameraCache.end(), pScene->mCameras );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::copyLights( aiScene *pScene ) {
|
|
ai_assert( nullptr != pScene );
|
|
|
|
if ( m_lightCache.empty() ) {
|
|
return;
|
|
}
|
|
|
|
pScene->mNumLights = m_lightCache.size();
|
|
pScene->mLights = new aiLight*[ pScene->mNumLights ];
|
|
std::copy( m_lightCache.begin(), m_lightCache.end(), pScene->mLights );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::resolveReferences() {
|
|
if( m_unresolvedRefStack.empty() ) {
|
|
return;
|
|
}
|
|
|
|
RefInfo *currentRefInfo( NULL );
|
|
for( std::vector<RefInfo*>::iterator it = m_unresolvedRefStack.begin(); it != m_unresolvedRefStack.end(); ++it ) {
|
|
currentRefInfo = *it;
|
|
if( NULL != currentRefInfo ) {
|
|
aiNode *node( currentRefInfo->m_node );
|
|
if( RefInfo::MeshRef == currentRefInfo->m_type ) {
|
|
for( size_t i = 0; i < currentRefInfo->m_Names.size(); i++ ) {
|
|
const std::string &name( currentRefInfo->m_Names[ i ] );
|
|
ReferenceMap::const_iterator it( m_mesh2refMap.find( name ) );
|
|
if( m_mesh2refMap.end() != it ) {
|
|
unsigned int meshIdx = m_mesh2refMap[ name ];
|
|
node->mMeshes[ i ] = meshIdx;
|
|
}
|
|
}
|
|
} else if( RefInfo::MaterialRef == currentRefInfo->m_type ) {
|
|
// ToDo!
|
|
} else {
|
|
throw DeadlyImportError( "Unknown reference info to resolve." );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::createNodeTree( aiScene *pScene ) {
|
|
if( nullptr == m_root ) {
|
|
return;
|
|
}
|
|
|
|
if( m_root->m_children.empty() ) {
|
|
return;
|
|
}
|
|
|
|
pScene->mRootNode->mNumChildren = m_root->m_children.size();
|
|
pScene->mRootNode->mChildren = new aiNode*[ pScene->mRootNode->mNumChildren ];
|
|
std::copy( m_root->m_children.begin(), m_root->m_children.end(), pScene->mRootNode->mChildren );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::pushNode( aiNode *node, aiScene *pScene ) {
|
|
ai_assert( nullptr != pScene );
|
|
|
|
if ( NULL == node ) {
|
|
return;
|
|
}
|
|
|
|
ChildInfo *info( nullptr );
|
|
if( m_nodeStack.empty() ) {
|
|
node->mParent = pScene->mRootNode;
|
|
NodeChildMap::iterator it( m_nodeChildMap.find( node->mParent ) );
|
|
if( m_nodeChildMap.end() == it ) {
|
|
info = new ChildInfo;
|
|
m_root = info;
|
|
m_nodeChildMap[ node->mParent ] = info;
|
|
} else {
|
|
info = it->second;
|
|
}
|
|
info->m_children.push_back( node );
|
|
} else {
|
|
aiNode *parent( m_nodeStack.back() );
|
|
ai_assert( nullptr != parent );
|
|
node->mParent = parent;
|
|
NodeChildMap::iterator it( m_nodeChildMap.find( node->mParent ) );
|
|
if( m_nodeChildMap.end() == it ) {
|
|
info = new ChildInfo;
|
|
m_nodeChildMap[ node->mParent ] = info;
|
|
} else {
|
|
info = it->second;
|
|
}
|
|
info->m_children.push_back( node );
|
|
}
|
|
m_nodeStack.push_back( node );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
aiNode *OpenGEXImporter::popNode() {
|
|
if( m_nodeStack.empty() ) {
|
|
return nullptr;
|
|
}
|
|
|
|
aiNode *node( top() );
|
|
m_nodeStack.pop_back();
|
|
|
|
return node;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
aiNode *OpenGEXImporter::top() const {
|
|
if( m_nodeStack.empty() ) {
|
|
return nullptr;
|
|
}
|
|
|
|
return m_nodeStack.back();
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
void OpenGEXImporter::clearNodeStack() {
|
|
m_nodeStack.clear();
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
|
|
} // Namespace OpenGEX
|
|
} // Namespace Assimp
|
|
|
|
#endif // ASSIMP_BUILD_NO_OPENGEX_IMPORTER
|