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| 2 | |
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| 3 | #include <bedslope.h> |
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| 4 | |
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| 5 | #include <osg/Texture> |
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| 6 | #include <osg/Texture2D> |
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| 7 | |
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| 8 | #include <osgUtil/SmoothingVisitor> |
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| 9 | |
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| 10 | |
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| 11 | #define DEF_BEDSLOPE_COLOUR 145, 122, 59, 255 // R, G, B, Alpha (brown) |
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| 12 | |
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| 13 | |
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| 14 | // constructor |
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| 15 | BedSlope::BedSlope(SWWReader* sww) |
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| 16 | { |
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| 17 | // persistent |
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| 18 | _sww = sww; |
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| 19 | |
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| 20 | // bedslope geometry as triangles with shared vertices |
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| 21 | _geom = new osg::Geometry; |
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| 22 | |
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| 23 | // geometry from sww file |
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| 24 | osg::Vec3Array* vertices = _sww->getBedslopeVertexArray().get(); |
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| 25 | |
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| 26 | _geom->setUseDisplayList( true ); |
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| 27 | _geom->setVertexArray( vertices ); |
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| 28 | _geom->addPrimitiveSet( _sww->getBedslopeIndexArray().get() ); |
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| 29 | |
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| 30 | osg::UByte4Array* color = new osg::UByte4Array(1); |
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| 31 | (*color)[0] = osg::UByte4( DEF_BEDSLOPE_COLOUR ); |
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| 32 | _geom->setColorArray( color ); |
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| 33 | _geom->setColorBinding( osg::Geometry::BIND_OVERALL ); |
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| 34 | |
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| 35 | // Calculate per-vertex normals |
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| 36 | osgUtil::SmoothingVisitor* visitor = new osgUtil::SmoothingVisitor(); |
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| 37 | visitor->smooth( *_geom ); |
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| 38 | |
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| 39 | _node = new osg::Geode; |
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| 40 | _node->setName("bedslope"); |
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| 41 | _node->addDrawable(_geom); |
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| 42 | |
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| 43 | // bedslope texture |
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| 44 | _texture = false; |
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| 45 | if( sww->hasBedslopeTexture() ) |
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| 46 | { |
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| 47 | _texture = true; |
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| 48 | osg::Texture2D* texture = new osg::Texture2D; |
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| 49 | texture->setDataVariance( osg::Object::DYNAMIC ); |
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| 50 | texture->setWrap( osg::Texture::WRAP_S, osg::Texture::CLAMP ); |
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| 51 | texture->setWrap( osg::Texture::WRAP_T, osg::Texture::CLAMP ); |
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| 52 | texture->setImage( _sww->getBedslopeTexture() ); |
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| 53 | |
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| 54 | _geom->setTexCoordArray( 0, _sww->getBedslopeTextureCoords().get() ); |
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| 55 | |
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| 56 | // material |
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| 57 | _material = new osg::Material(); |
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| 58 | _material->setAmbient( osg::Material::FRONT_AND_BACK, osg::Vec4(0.2, 0.15, 0.06, 1.0) ); |
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| 59 | _material->setDiffuse( osg::Material::FRONT_AND_BACK, osg::Vec4(0.6, 0.5, 0.2, 1.0) ); |
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| 60 | _material->setSpecular( osg::Material::FRONT_AND_BACK, osg::Vec4(0.0, 0.0, 0.0, 1.0) ); |
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| 61 | _material->setEmission( osg::Material::FRONT_AND_BACK, osg::Vec4(0.0, 0.0, 0.0, 1.0) ); |
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| 62 | |
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| 63 | _material->setAmbient( osg::Material::FRONT_AND_BACK, osg::Vec4(0.0, 0.0, 0.0, 1.0) ); |
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| 64 | _material->setDiffuse( osg::Material::FRONT_AND_BACK, osg::Vec4(1.0, 1.0, 1.0, 1.0) ); |
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| 65 | _material->setSpecular( osg::Material::FRONT_AND_BACK, osg::Vec4(0.0, 0.0, 0.0, 1.0) ); |
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| 66 | _material->setEmission( osg::Material::FRONT_AND_BACK, osg::Vec4(0.0, 0.0, 0.0, 1.0) ); |
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| 67 | |
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| 68 | // state |
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| 69 | _stateset = new osg::StateSet; |
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| 70 | _stateset->setAttributeAndModes( _material, osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE ); |
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| 71 | _stateset->setMode( GL_BLEND, osg::StateAttribute::ON ); |
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| 72 | _stateset->setMode( GL_LIGHTING, osg::StateAttribute::ON ); |
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| 73 | _stateset->setTextureAttributeAndModes( 0, texture, osg::StateAttribute::ON ); |
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| 74 | |
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| 75 | _node->setStateSet(_stateset); |
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| 76 | } |
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| 77 | |
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| 78 | } |
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