From David Spilling, better support for multitexture in obj loader.
This commit is contained in:
Robert Osfield
parent
d903423ded
commit
e158c78ffa
@ -38,7 +38,6 @@
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#include <osgDB/ReadFile>
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#include <osgDB/FileUtils>
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#include <osgDB/FileNameUtils>
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#include <osgDB/fstream>
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#include <osgUtil/TriStripVisitor>
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#include <osgUtil/SmoothingVisitor>
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@ -53,12 +52,22 @@
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class ReaderWriterOBJ : public osgDB::ReaderWriter
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{
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public:
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ReaderWriterOBJ():_fixBlackMaterials(true)
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ReaderWriterOBJ()
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{
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supportsExtension("obj","Alias Wavefront OBJ format");
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supportsOption("noRotation","Do not do the default rotate about X axis");
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supportsOption("noTesselateLargePolygons","Do not do the default tesselation of large polygons");
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supportsOption("noTriStripPolygons","Do not do the default tri stripping of polygons");
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supportsOption("DIFFUSE=<unit>", "Set texture unit for diffuse texture");
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supportsOption("AMBIENT=<unit>", "Set texture unit for ambient texture");
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supportsOption("SPECULAR=<unit>", "Set texture unit for specular texture");
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supportsOption("SPECULAR_EXPONENT=<unit>", "Set texture unit for specular exponent texture");
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supportsOption("OPACITY=<unit>", "Set texture unit for opacity/dissolve texture");
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supportsOption("BUMP=<unit>", "Set texture unit for bumpmap texture");
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supportsOption("DISPLACEMENT=<unit>", "Set texture unit for displacement texture");
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supportsOption("REFLECTION=<unit>", "Set texture unit for reflection texture");
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}
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virtual const char* className() const { return "Wavefront OBJ Reader"; }
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@ -120,19 +129,30 @@ public:
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protected:
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struct ObjOptionsStruct {
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bool rotate;
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bool noTesselateLargePolygons;
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bool noTriStripPolygons;
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bool fixBlackMaterials;
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// This is the order in which the materials will be assigned to texture maps, unless
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// otherwise overriden
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typedef std::vector< std::pair<int,obj::Material::Map::TextureMapType> > TextureAllocationMap;
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TextureAllocationMap textureUnitAllocation;
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};
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typedef std::map< std::string, osg::ref_ptr<osg::StateSet> > MaterialToStateSetMap;
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void buildMaterialToStateSetMap(obj::Model& model, MaterialToStateSetMap& materialToSetSetMap) const;
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void buildMaterialToStateSetMap(obj::Model& model, MaterialToStateSetMap& materialToSetSetMapObj, ObjOptionsStruct& localOptions) const;
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osg::Geometry* convertElementListToGeometry(obj::Model& model, obj::Model::ElementList& elementList, bool& rotate) const;
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osg::Node* convertModelToSceneGraph(obj::Model& model, bool& rotate,
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bool& noTesselateLargePolygons, bool& noTriStripPolygons) const;
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osg::Node* convertModelToSceneGraph(obj::Model& model, ObjOptionsStruct& localOptions) const;
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inline osg::Vec3 transformVertex(const osg::Vec3& vec, const bool rotate) const ;
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inline osg::Vec3 transformNormal(const osg::Vec3& vec, const bool rotate) const ;
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bool _fixBlackMaterials;
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ObjOptionsStruct parseOptions(const Options* options) const;
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};
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@ -164,12 +184,12 @@ inline osg::Vec3 ReaderWriterOBJ::transformNormal(const osg::Vec3& vec, const bo
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// register with Registry to instantiate the above reader/writer.
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REGISTER_OSGPLUGIN(obj, ReaderWriterOBJ)
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static void load_material_texture( obj::Model &model,
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obj::Material &material,
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osg::StateSet *stateset,
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const std::string & filename,
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const unsigned int texture_unit )
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static void load_material_texture( obj::Model &model,
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obj::Material::Map &map,
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osg::StateSet *stateset,
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const unsigned int texture_unit )
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{
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std::string filename = map.name;
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if (!filename.empty())
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{
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osg::ref_ptr< osg::Image > image;
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@ -188,13 +208,25 @@ static void load_material_texture( obj::Model &model,
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if ( image.valid() )
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{
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osg::Texture2D* texture = new osg::Texture2D( image.get() );
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osg::Texture::WrapMode textureWrapMode = osg::Texture::REPEAT;
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osg::Texture::WrapMode textureWrapMode;
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if(map.clamp == true)
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{
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textureWrapMode = osg::Texture::CLAMP_TO_BORDER;
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texture->setBorderColor(osg::Vec4(0.0,0.0,0.0,0.0)); // transparent
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//stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
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//stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
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}
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else
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{
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textureWrapMode = osg::Texture::REPEAT;
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}
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texture->setWrap(osg::Texture2D::WRAP_R, textureWrapMode);
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texture->setWrap(osg::Texture2D::WRAP_S, textureWrapMode);
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texture->setWrap(osg::Texture2D::WRAP_T, textureWrapMode);
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stateset->setTextureAttributeAndModes( texture_unit, texture,osg::StateAttribute::ON );
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if ( material.textureReflection )
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if ( map.type == obj::Material::Map::REFLECTION )
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{
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osg::TexGen* texgen = new osg::TexGen;
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texgen->setMode(osg::TexGen::SPHERE_MAP);
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@ -210,19 +242,19 @@ static void load_material_texture( obj::Model &model,
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}
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}
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if (material.uScale != 1.0f || material.vScale != 1.0f ||
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material.uOffset != 0.0f || material.vOffset != 0.0f)
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if (map.uScale != 1.0f || map.vScale != 1.0f ||
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map.uOffset != 0.0f || map.vOffset != 0.0f)
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{
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osg::Matrix mat;
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if (material.uScale != 1.0f || material.vScale != 1.0f)
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if (map.uScale != 1.0f || map.vScale != 1.0f)
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{
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osg::notify(osg::DEBUG_INFO) << "Obj TexMat scale=" << material.uScale << "," << material.vScale << std::endl;
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mat *= osg::Matrix::scale(material.uScale, material.vScale, 1.0);
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osg::notify(osg::DEBUG_INFO) << "Obj TexMat scale=" << map.uScale << "," << map.vScale << std::endl;
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mat *= osg::Matrix::scale(map.uScale, map.vScale, 1.0);
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}
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if (material.uOffset != 0.0f || material.vOffset != 0.0f)
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if (map.uOffset != 0.0f || map.vOffset != 0.0f)
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{
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osg::notify(osg::DEBUG_INFO) << "Obj TexMat offset=" << material.uOffset << "," << material.uOffset << std::endl;
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mat *= osg::Matrix::translate(material.uOffset, material.vOffset, 0.0);
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osg::notify(osg::DEBUG_INFO) << "Obj TexMat offset=" << map.uOffset << "," << map.uOffset << std::endl;
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mat *= osg::Matrix::translate(map.uOffset, map.vOffset, 0.0);
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}
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osg::TexMat* texmat = new osg::TexMat;
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@ -232,9 +264,9 @@ static void load_material_texture( obj::Model &model,
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}
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void ReaderWriterOBJ::buildMaterialToStateSetMap(obj::Model& model, MaterialToStateSetMap& materialToStateSetMap) const
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void ReaderWriterOBJ::buildMaterialToStateSetMap(obj::Model& model, MaterialToStateSetMap& materialToStateSetMap, ObjOptionsStruct& localOptions) const
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{
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if (_fixBlackMaterials)
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if (localOptions.fixBlackMaterials)
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{
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// hack to fix Maya exported models that contian all black materials.
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int numBlack = 0;
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@ -278,7 +310,7 @@ void ReaderWriterOBJ::buildMaterialToStateSetMap(obj::Model& model, MaterialToSt
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++itr)
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{
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obj::Material& material = itr->second;
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osg::ref_ptr< osg::StateSet > stateset = new osg::StateSet;
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bool isTransparent = false;
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@ -311,15 +343,54 @@ void ReaderWriterOBJ::buildMaterialToStateSetMap(obj::Model& model, MaterialToSt
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}
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}
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// handle textures
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enum TextureUnit
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// If the user has explicitly set the required texture type to unit map via the options
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// string, then we load ONLY those textures that are in the map.
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if(localOptions.textureUnitAllocation.size()>0)
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{
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TEXTURE_UNIT_KD = 0,
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TEXTURE_UNIT_OPACITY
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};
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load_material_texture( model, material, stateset.get(), material.map_Kd, TEXTURE_UNIT_KD );
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load_material_texture( model, material, stateset.get(), material.map_opacity, TEXTURE_UNIT_OPACITY );
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for(unsigned int i=0;i<localOptions.textureUnitAllocation.size();i++)
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{
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// firstly, get the option set pair
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int unit = localOptions.textureUnitAllocation[i].first;
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obj::Material::Map::TextureMapType type = localOptions.textureUnitAllocation[i].second;
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// secondly, see if this texture type (e.g. DIFFUSE) is one of those in the material
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int index = -1;
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for(unsigned int j=0;j<material.maps.size();j++)
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{
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if(material.maps[j].type == type)
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{
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index = (int) j;
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break;
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}
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}
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if(index>=0) load_material_texture( model, material.maps[index], stateset.get(), unit );
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}
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}
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// If the user has set no options, then we load them up in the order contained in the enum. This
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// latter method is an attempt not to break user's existing code
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else
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{
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int unit = 0;
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for(int i=0;i<(int) obj::Material::Map::UNKNOWN;i++) // for each type
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{
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obj::Material::Map::TextureMapType type = (obj::Material::Map::TextureMapType) i;
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// see if this texture type (e.g. DIFFUSE) is one of those in the material
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int index = -1;
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for(unsigned int j=0;j<material.maps.size();j++)
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{
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if(material.maps[j].type == type)
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{
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index = (int) j;
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break;
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}
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}
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if(index>=0)
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{
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load_material_texture( model, material.maps[index], stateset.get(), unit );
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unit++;
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}
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}
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}
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if (isTransparent)
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{
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stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
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@ -583,8 +654,7 @@ osg::Geometry* ReaderWriterOBJ::convertElementListToGeometry(obj::Model& model,
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return geometry;
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}
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osg::Node* ReaderWriterOBJ::convertModelToSceneGraph(obj::Model& model,
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bool& rotate, bool& noTesselateLargePolygons, bool& noTriStripPolygons) const
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osg::Node* ReaderWriterOBJ::convertModelToSceneGraph(obj::Model& model, ObjOptionsStruct& localOptions) const
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{
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if (model.elementStateMap.empty()) return 0;
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@ -593,7 +663,7 @@ osg::Node* ReaderWriterOBJ::convertModelToSceneGraph(obj::Model& model,
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// set up the materials
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MaterialToStateSetMap materialToSetSetMap;
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buildMaterialToStateSetMap(model, materialToSetSetMap);
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buildMaterialToStateSetMap(model, materialToSetSetMap, localOptions);
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// go through the groups of related elements and build geometry from them.
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for(obj::Model::ElementStateMap::iterator itr=model.elementStateMap.begin();
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@ -604,7 +674,7 @@ osg::Node* ReaderWriterOBJ::convertModelToSceneGraph(obj::Model& model,
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const obj::ElementState& es = itr->first;
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obj::Model::ElementList& el = itr->second;
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osg::Geometry* geometry = convertElementListToGeometry(model,el,rotate);
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osg::Geometry* geometry = convertElementListToGeometry(model,el,localOptions.rotate);
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if (geometry)
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{
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@ -613,14 +683,14 @@ osg::Node* ReaderWriterOBJ::convertModelToSceneGraph(obj::Model& model,
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geometry->setStateSet(stateset);
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// tesseleate any large polygons
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if (!noTesselateLargePolygons)
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if (!localOptions.noTesselateLargePolygons)
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{
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osgUtil::Tessellator tessellator;
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tessellator.retessellatePolygons(*geometry);
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}
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// tri strip polygons to improve graphics peformance
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if (!noTriStripPolygons)
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if (!localOptions.noTriStripPolygons)
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{
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osgUtil::TriStripVisitor tsv;
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tsv.stripify(*geometry);
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@ -658,6 +728,72 @@ osg::Node* ReaderWriterOBJ::convertModelToSceneGraph(obj::Model& model,
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return group;
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}
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ReaderWriterOBJ::ObjOptionsStruct ReaderWriterOBJ::parseOptions(const osgDB::ReaderWriter::Options* options) const
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{
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ObjOptionsStruct localOptions;
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localOptions.rotate = true;
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localOptions.noTesselateLargePolygons = false;
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localOptions.noTriStripPolygons = false;
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localOptions.fixBlackMaterials = true;
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if (options!=NULL)
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{
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std::istringstream iss(options->getOptionString());
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std::string opt;
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while (iss >> opt)
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{
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// split opt into pre= and post=
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std::string pre_equals;
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std::string post_equals;
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size_t found = opt.find("=");
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if(found!=std::string::npos)
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{
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pre_equals = opt.substr(0,found);
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post_equals = opt.substr(found+1);
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}
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else
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{
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pre_equals = opt;
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}
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if (pre_equals == "noRotation")
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{
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localOptions.rotate = false;
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}
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else if (pre_equals == "noTesselateLargePolygons")
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{
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localOptions.noTesselateLargePolygons = true;
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}
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else if (pre_equals == "noTriStripPolygons")
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{
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localOptions.noTriStripPolygons = true;
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}
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else if (post_equals.length()>0)
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{
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obj::Material::Map::TextureMapType type = obj::Material::Map::UNKNOWN;
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// Now we check to see if we have anything forcing a texture allocation
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if (pre_equals == "DIFFUSE") type = obj::Material::Map::DIFFUSE;
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else if (pre_equals == "AMBIENT") type = obj::Material::Map::AMBIENT;
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else if (pre_equals == "SPECULAR") type = obj::Material::Map::SPECULAR;
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else if (pre_equals == "SPECULAR_EXPONENT") type = obj::Material::Map::SPECULAR_EXPONENT;
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else if (pre_equals == "OPACITY") type = obj::Material::Map::OPACITY;
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else if (pre_equals == "BUMP") type = obj::Material::Map::BUMP;
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else if (pre_equals == "DISPLACEMENT") type = obj::Material::Map::DISPLACEMENT;
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else if (pre_equals == "REFLECTION") type = obj::Material::Map::REFLECTION;
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if (type!=obj::Material::Map::UNKNOWN)
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{
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int unit = atoi(post_equals.c_str()); // (probably should use istringstream rather than atoi)
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localOptions.textureUnitAllocation.push_back(std::make_pair(unit,(obj::Material::Map::TextureMapType) type));
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osg::notify(osg::NOTICE)<<"Obj Found map in options, ["<<pre_equals<<"]="<<unit<<std::endl;
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}
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}
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}
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}
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return localOptions;
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}
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// read file and convert to OSG.
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osgDB::ReaderWriter::ReadResult ReaderWriterOBJ::readNode(const std::string& file, const osgDB::ReaderWriter::Options* options) const
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@ -681,32 +817,10 @@ osgDB::ReaderWriter::ReadResult ReaderWriterOBJ::readNode(const std::string& fil
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model.setDatabasePath(osgDB::getFilePath(fileName.c_str()));
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model.readOBJ(fin, local_opt.get());
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// code for checking the nonRotation, noTesselateLargePolygons,
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// and noTriStripPolygons
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bool rotate = true;
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bool noTesselateLargePolygons = false;
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bool noTriStripPolygons = false;
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ObjOptionsStruct localOptions = parseOptions(options);
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if (options!=NULL)
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{
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if (options->getOptionString() == "noRotation")
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{
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rotate = false;
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}
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if (options->getOptionString() == "noTesselateLargePolygons")
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{
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noTesselateLargePolygons = true;
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}
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if (options->getOptionString() == "noTriStripPolygons")
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{
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noTriStripPolygons = true;
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}
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}
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osg::Node* node = convertModelToSceneGraph(model,rotate,
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noTesselateLargePolygons,noTriStripPolygons);
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osg::Node* node = convertModelToSceneGraph(model,localOptions);
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return node;
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}
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@ -720,32 +834,9 @@ osgDB::ReaderWriter::ReadResult ReaderWriterOBJ::readNode(std::istream& fin, con
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obj::Model model;
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model.readOBJ(fin, options);
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// code for checking the nonRotation, noTesselateLargePolygons,
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// and noTriStripPolygons
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bool rotate = true;
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bool noTesselateLargePolygons = false;
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bool noTriStripPolygons = false;
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ObjOptionsStruct localOptions = parseOptions(options);
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if (options!=NULL)
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{
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if (options->getOptionString() == "noRotation")
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{
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rotate = false;
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}
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if (options->getOptionString() == "noTesselateLargePolygons")
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{
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noTesselateLargePolygons = true;
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}
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if (options->getOptionString() == "noTriStripPolygons")
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{
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noTriStripPolygons = true;
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}
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}
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osg::Node* node = convertModelToSceneGraph(model,rotate,
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noTesselateLargePolygons,noTriStripPolygons);
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osg::Node* node = convertModelToSceneGraph(model, localOptions);
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return node;
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}
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@ -13,6 +13,7 @@
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#include <iostream>
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#include <sstream>
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#include <fstream>
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#include <string>
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#include <stdio.h>
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@ -22,7 +23,6 @@
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#include <osgDB/FileUtils>
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#include <osgDB/FileNameUtils>
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#include <osgDB/fstream>
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using namespace obj;
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@ -37,8 +37,9 @@ static std::string strip( const std::string& ss )
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* parse a subset of texture options, following
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* http://local.wasp.uwa.edu.au/~pbourke/dataformats/mtl/
|
||||
*/
|
||||
static std::string parseTexture( const std::string& ss, Material& mat)
|
||||
static Material::Map parseTextureMap( const std::string& ss, Material::Map::TextureMapType type)
|
||||
{
|
||||
Material::Map map;
|
||||
std::string s(ss);
|
||||
for (;;)
|
||||
{
|
||||
@ -57,17 +58,17 @@ static std::string parseTexture( const std::string& ss, Material& mat)
|
||||
if (s[1] == 's')
|
||||
{
|
||||
// texture scale
|
||||
mat.uScale = x;
|
||||
mat.vScale = y;
|
||||
map.uScale = x;
|
||||
map.vScale = y;
|
||||
}
|
||||
else if (s[1] == 'o')
|
||||
{
|
||||
// texture offset
|
||||
mat.uOffset = x;
|
||||
mat.vOffset = y;
|
||||
map.uOffset = x;
|
||||
map.vOffset = y;
|
||||
}
|
||||
}
|
||||
else if (s[1] == 'm' && s[2] == 'm')
|
||||
else if (s.compare(1,2,"mm")==0)
|
||||
{
|
||||
// texture color offset and gain
|
||||
float base, gain;
|
||||
@ -77,7 +78,7 @@ static std::string parseTexture( const std::string& ss, Material& mat)
|
||||
}
|
||||
// UNUSED
|
||||
}
|
||||
else if (s[1] == 'b' && s[2] == 'm')
|
||||
else if (s.compare(1,2,"bm")==0)
|
||||
{
|
||||
// blend multiplier
|
||||
float mult;
|
||||
@ -87,13 +88,26 @@ static std::string parseTexture( const std::string& ss, Material& mat)
|
||||
}
|
||||
// UNUSED
|
||||
}
|
||||
else if (s.compare(1,5,"clamp")==0)
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"Got Clamp\n";
|
||||
char c[4];
|
||||
if (sscanf(s.c_str(), "%*s %3s%n", c, &n) != 1)
|
||||
{
|
||||
break;
|
||||
}
|
||||
if(strncmp(c,"on",2)==0) map.clamp = true;
|
||||
else map.clamp = false; // default behavioud
|
||||
}
|
||||
else
|
||||
break;
|
||||
|
||||
s = strip(s.substr(n));
|
||||
}
|
||||
|
||||
return s;
|
||||
map.name = s;
|
||||
map.type = type;
|
||||
return map;
|
||||
}
|
||||
|
||||
bool Model::readline(std::istream& fin, char* line, const int LINE_SIZE)
|
||||
@ -415,23 +429,58 @@ bool Model::readMTL(std::istream& fin)
|
||||
}
|
||||
else if (strncmp(line,"map_Ka ",7)==0)
|
||||
{
|
||||
material->map_Ka = parseTexture(strip(line+7), *material);
|
||||
material->maps.push_back(parseTextureMap(strip(line+7),Material::Map::AMBIENT));
|
||||
}
|
||||
// diffuse map
|
||||
else if (strncmp(line,"map_Kd ",7)==0)
|
||||
{
|
||||
material->map_Kd = parseTexture(strip(line+7), *material);
|
||||
material->maps.push_back(parseTextureMap(strip(line+7),Material::Map::DIFFUSE));
|
||||
}
|
||||
// specular colour/level map
|
||||
else if (strncmp(line,"map_Ks ",7)==0)
|
||||
{
|
||||
material->map_Ks = parseTexture(strip(line+7), *material);
|
||||
material->maps.push_back(parseTextureMap(strip(line+7),Material::Map::SPECULAR));
|
||||
}
|
||||
else if (strncmp(line,"map_opacity ",12)==0)
|
||||
// map_opacity doesn't exist in the spec, but was already in the plugin
|
||||
// so leave it or plugin will break for some users
|
||||
else if (strncmp(line,"map_opacity ",12)==0)
|
||||
{
|
||||
material->map_opacity = parseTexture(strip(line+12), *material);
|
||||
material->maps.push_back(parseTextureMap(strip(line+12),Material::Map::OPACITY));
|
||||
}
|
||||
else if (strcmp(line,"refl")==0 || strncmp(line,"refl ",5)==0)
|
||||
// proper dissolve/opacity map
|
||||
else if (strncmp(line,"map_d ",6)==0)
|
||||
{
|
||||
material->textureReflection = true;
|
||||
material->maps.push_back(parseTextureMap(strip(line+6),Material::Map::OPACITY));
|
||||
}
|
||||
// specular exponent map
|
||||
else if (strncmp(line,"map_Ns ",7)==0)
|
||||
{
|
||||
material->maps.push_back(parseTextureMap(strip(line+7),Material::Map::SPECULAR_EXPONENT));
|
||||
}
|
||||
// modelling tools and convertors variously produce bump, map_bump, and map_Bump so parse them all
|
||||
else if (strncmp(line,"bump ",5)==0)
|
||||
{
|
||||
material->maps.push_back(parseTextureMap(strip(line+5),Material::Map::BUMP));
|
||||
}
|
||||
else if (strncmp(line,"map_bump ",9)==0)
|
||||
{
|
||||
material->maps.push_back(parseTextureMap(strip(line+9),Material::Map::BUMP));
|
||||
}
|
||||
else if (strncmp(line,"map_Bump ",9)==0)
|
||||
{
|
||||
material->maps.push_back(parseTextureMap(strip(line+9),Material::Map::BUMP));
|
||||
}
|
||||
// displacement map
|
||||
else if (strncmp(line,"disp ",5)==0)
|
||||
{
|
||||
material->maps.push_back(parseTextureMap(strip(line+5),Material::Map::DISPLACEMENT));
|
||||
}
|
||||
// reflection map (the original code had the possibility of a blank "refl" line
|
||||
// which isn't correct according to the spec, so this bit might break for some
|
||||
// modelling packages...
|
||||
else if (strncmp(line,"refl ",5)==0)
|
||||
{
|
||||
material->maps.push_back(parseTextureMap(strip(line+5),Material::Map::REFLECTION));
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
@ -44,12 +44,8 @@ public:
|
||||
Tf(0.0f,0.0f,0.0f,1.0f),
|
||||
Ni(0),
|
||||
Ns(0),
|
||||
textureReflection(false),
|
||||
alpha(1.0f),
|
||||
uScale(1.0f),
|
||||
vScale(1.0f),
|
||||
uOffset(0.0f),
|
||||
vOffset(0.0f) {}
|
||||
// textureReflection(false),
|
||||
alpha(1.0f) {}
|
||||
|
||||
std::string name;
|
||||
|
||||
@ -58,22 +54,61 @@ public:
|
||||
osg::Vec4 specular;
|
||||
osg::Vec4 emissive;
|
||||
float sharpness;
|
||||
int illum;
|
||||
int illum; // read but not implemented (would need specific shaders or state manipulation)
|
||||
|
||||
osg::Vec4 Tf;
|
||||
int Ni;
|
||||
int Ns; // shininess 0..1000
|
||||
|
||||
std::string map_Ka;
|
||||
std::string map_Kd;
|
||||
std::string map_Ks;
|
||||
std::string map_opacity;
|
||||
bool textureReflection;
|
||||
// bool textureReflection;
|
||||
float alpha;
|
||||
float uScale;
|
||||
float vScale;
|
||||
float uOffset;
|
||||
float vOffset;
|
||||
|
||||
class Map
|
||||
{
|
||||
// -o and -s (offset and scale) options supported for the maps
|
||||
// -clamp <on|off> is supported
|
||||
// -blendu, -blendv, -imfchan, not supported
|
||||
// -mm <base> <gain> is parsed but not actually used
|
||||
// -bm <bump_multiplier> is parsed but not used
|
||||
public:
|
||||
enum TextureMapType {
|
||||
DIFFUSE=0,
|
||||
OPACITY,
|
||||
AMBIENT,
|
||||
SPECULAR,
|
||||
SPECULAR_EXPONENT,
|
||||
BUMP,
|
||||
DISPLACEMENT,
|
||||
REFLECTION, // read of a reflection map will also apply spherical texgen coordinates
|
||||
UNKNOWN // UNKNOWN has to be the last
|
||||
};
|
||||
Map():
|
||||
type(UNKNOWN),
|
||||
name(""),
|
||||
uScale(1.0f),
|
||||
vScale(1.0f),
|
||||
uOffset(0.0f),
|
||||
vOffset(0.0f),
|
||||
clamp(false) {}
|
||||
|
||||
|
||||
TextureMapType type;
|
||||
std::string name;
|
||||
|
||||
// Texture scale and offset, used for creating the texture matrix.
|
||||
// Reader only picks u and v from -s u v w, although all u v and w all need to be specified!
|
||||
// e.g. "map_Kd -s u v w <name>" is OK but "map_Kd -s u v <name>" is not, even though tex is only 2D
|
||||
float uScale;
|
||||
float vScale;
|
||||
float uOffset;
|
||||
float vOffset;
|
||||
|
||||
// According to the spec, if clamping is off (default), the effect is a texture repeat
|
||||
// if clamping is on, then the effect is a decal texture; i.e. the border is transparent
|
||||
bool clamp;
|
||||
};
|
||||
|
||||
std::vector<Map> maps;
|
||||
|
||||
protected:
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user