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Diffstat (limited to 'gaunt01/src/morphmesh.cpp')
| -rw-r--r-- | gaunt01/src/morphmesh.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/gaunt01/src/morphmesh.cpp b/gaunt01/src/morphmesh.cpp new file mode 100644 index 0000000..64bc24e --- /dev/null +++ b/gaunt01/src/morphmesh.cpp @@ -0,0 +1,133 @@ +#include "morphmesh.h" + +morphmesh::morphmesh() +{ + loaded=false; +} + +morphmesh::morphmesh(string filename) +{ + morphmesh(); + loadfile(filename); +} + +morphmesh::~morphmesh() +{ + //dtor +} + +int morphmesh::getNumTargets(){ + return morphs.size(); +} +void morphmesh::draw() { + draw(0); +} +void morphmesh::draw(int target){ + clearVertices(); + addVertices(morphs[target]); + ofMesh::draw(); +} +void morphmesh::draw(const vector<int>& targets, const vector<float>& weights){ + clearVertices(); + //normalise weights + int targetsNum=min(targets.size(),morphs.size()); + float totalWeights=0; + for (int i=0;i<targetsNum;i++) totalWeights+=weights[i]; + float weightFactor=1.0/totalWeights; + float bx,by,bz; + for (int j=0;j<morphs[0].size();j++) { + bx=by=bz=0; + for (int i=0;i<targetsNum;i++) { + bx+=morphs[targets[i]][j].x*weights[i]; + by+=morphs[targets[i]][j].y*weights[i]; + bz+=morphs[targets[i]][j].z*weights[i]; + } + addVertex(ofVec3f(bx*weightFactor,by*weightFactor,bz*weightFactor)); + } + ofMesh::draw(); +} + +bool morphmesh::loadfile(string filename){ + loaded=false; + ofxXmlSettings XML; + if( !XML.loadFile(filename) ){ + printf("unable to load %s check data/ folder\n",filename.c_str()); + }else{ + if(XML.pushTag("Oak3DModelDocument")) { + if(XML.pushTag("MeshList")) { + int numMeshes=XML.getNumTags("Mesh"); + for (int i=0;i<numMeshes;i++) { + XML.pushTag("Mesh",i); + if (XML.pushTag("AttributeList")) { + vector<ofVec3f> verts; + + string vertstring=XML.getAttribute("Attribute","Data","none",0); + stringstream ss(vertstring); + istream_iterator<string> begin(ss); + istream_iterator<string> end; + vector<string> vstrings(begin, end); + for (int j=0;j<vstrings.size();j+=3) { + verts.push_back(ofVec3f(ofToFloat(vstrings[j]),ofToFloat(vstrings[j+1]),ofToFloat(vstrings[j+2]))); + } + morphs.push_back(verts); + + if (i==0) { + addVertices(verts); + + vector<ofVec3f> norms; + string normstring=XML.getAttribute("Attribute","Data","none",1); + stringstream ns(normstring); + istream_iterator<string> nbegin(ns); + istream_iterator<string> nend; + vector<string> nstrings(nbegin, nend); + for (int j=0;j<nstrings.size();j+=3) { + norms.push_back(ofVec3f(ofToFloat(nstrings[j]),ofToFloat(nstrings[j+1]),ofToFloat(nstrings[j+2]))); + } + addNormals(norms); + + vector<ofVec2f> texcords; + string texstring=XML.getAttribute("Attribute","Data","none",2); + stringstream ts(texstring); + istream_iterator<string> tbegin(ts); + istream_iterator<string> tend; + vector<string> tstrings(tbegin, tend); + for (int j=0;j<tstrings.size();j+=2) { + texcords.push_back(ofVec2f(ofToFloat(tstrings[j]),ofToFloat(tstrings[j+1]))); + } + addTexCoords(texcords); + + XML.popTag(); + + if (XML.pushTag("IndexList")) { + vector<ofIndexType> faces; + string facestring=XML.getAttribute("Index","Data","none",0); + stringstream fs(facestring); + istream_iterator<string> fbegin(fs); + istream_iterator<string> fend; + vector<string> fstrings(fbegin, fend); + for (int j=0;j<fstrings.size();j+=3) { + faces.push_back(ofIndexType(ofToInt(fstrings[j]))); + faces.push_back(ofIndexType(ofToInt(fstrings[j+1]))); + faces.push_back(ofIndexType(ofToInt(fstrings[j+2]))); + } + addIndices(faces); + loaded=true; + XML.popTag(); + } + } + else XML.popTag(); + } + XML.popTag(); + } + } + XML.popTag(); + } + XML.popTag(); + } + return loaded; +} + +bool morphmesh::isLoaded() +{ + return loaded; +}
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