From 0e8f0361c1068eb4c2f634dfcf4e1762d87f40d2 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Sat, 31 Mar 2012 16:44:02 +0100
Subject: implementing trap door

---
 gaunt01/src/morphmesh.cpp | 133 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 gaunt01/src/morphmesh.cpp

(limited to 'gaunt01/src/morphmesh.cpp')

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;
+}
\ No newline at end of file
-- 
cgit v1.2.3