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//
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//  ofxFBXNurbsCurve.cpp
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//
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//  Created by Nick Hardeman on 5/8/19.
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//
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#include "ofxFBXNurbsCurve.h"
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#include "ofxFBXSrcNurbsCurve.h"
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//----------------------------------------
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ofxFBXSource::Node::NodeType ofxFBXNurbsCurve::getType() {
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    return ofxFBXSource::Node::OFX_FBX_NURBS_CURVE;
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}
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//--------------------------------------------------------------
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void ofxFBXNurbsCurve::setup( shared_ptr<ofxFBXSource::Node> anode ) {
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    ofxFBXNode::setup( anode );
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    if( anode && anode->getType() == ofxFBXSource::Node::OFX_FBX_NURBS_CURVE ) {
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        auto tc = dynamic_pointer_cast<ofxFBXSource::NurbsCurve>( anode );
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        tc->configurePolyline( mPolyline );
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        setTransform( tc );
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    }
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}
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//--------------------------------------------------------------
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void ofxFBXNurbsCurve::draw() {
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    if(mPolyline.size()) {
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        transformGL(); {
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            mPolyline.draw();
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        } restoreTransformGL();
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    }
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}
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//
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//--------------------------------------------------------------
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void ofxFBXNurbsCurve::setPolyline( ofPolyline& apoly ) {
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    mPolyline = apoly;
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}
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//--------------------------------------------------------------
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ofPolyline ofxFBXNurbsCurve::getGlobalPolyline() {
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    glm::mat4 gmat = getGlobalTransformMatrix();
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    // transform points into global space //
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    ofPolyline tpoly = getPolyline();
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    for( int i = 0; i < tpoly.size(); i++ ) {
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        auto& mp = tpoly[i];
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        glm::vec4 v = gmat * glm::vec4(mp, 1.0);
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        mp = glm::vec3(v.x, v.y, v.z);
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    }
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    return tpoly;
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}
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//--------------------------------------------------------------
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ofPolyline ofxFBXNurbsCurve::getGlobalPolylineAroundPosition() {
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    glm::vec3 gpos = getGlobalPosition();
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    auto tpoly = getGlobalPolyline();
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    for( auto& tv : tpoly.getVertices() ) {
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        tv -= gpos;
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    }
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    return tpoly;
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}
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