public Obj loadObj(Context context, String name) throws IOException {
BufferedReader reader =
new BufferedReader(new InputStreamReader(context.getAssets().open(name)));
String line = reader.readLine();
ArrayList<Float> normalList = new ArrayList<>();
ArrayList<Float> vertexList = new ArrayList<>();
ArrayList<Float> uvList = new ArrayList<>();
float xScale = 0;
float yScale = 0;
float zScale = 0;
Obj obj = new Obj();
while (line != null) {
Utils.print("Processing line: " + line);
String[] lineSplit = line.split("\\s+");
if (lineSplit.length > 0) {
if (lineSplit[0].compareTo(COMMENT) == 0) {
Utils.print("Comment, IGNORING LINE ");
} else if (lineSplit[0].compareTo(MAT_REF) == 0) {
Utils.print("Material Reference: " + lineSplit[1]);
if (obj.getCurrGroup() == null) {
Utils.print("Malformed file, no object declared");
return null;
}
if (obj.getMatLib() == null) {
Utils.print("Malformed file, no materialLib declared");
return null;
}
obj.setGroupMat(lineSplit[1]);
} else if (lineSplit[0].compareTo(SMOOTHING) == 0) {
Utils.print("Smoothing");
} else if (lineSplit[0].compareTo(MAT_LIB) == 0) {
Utils.print("Material Library: " + lineSplit[1]);
obj.setMatLib(new MaterialLib(context, lineSplit[1]));
} else if (lineSplit[0].compareTo(OBJECT) == 0) {
Utils.print("Object name: " + lineSplit[1]);
obj.name = lineSplit[1];
} else if (lineSplit[0].compareTo(FACE) == 0) {
float[] faceTris = parseFace(lineSplit, vertexList, normalList, uvList);
for (int i = 0; i < faceTris.length; i++) {
obj.getCurrGroup().floatBuffer.add(faceTris[i]);
}
} else if (lineSplit[0].compareTo(GROUP) == 0) {
Utils.print("Group: " + lineSplit[1]);
obj.createGroup(lineSplit[1]);
} else {
float x = Float.parseFloat(lineSplit[1]);
float y = Float.parseFloat(lineSplit[2]);
if (lineSplit[0].compareTo(VERTEX) == 0) {
float z = Float.parseFloat(lineSplit[3]);
vertexList.add(x);
vertexList.add(y);
vertexList.add(z);
if (Math.abs(x) > xScale) {
xScale = Math.abs(x);
}
if (Math.abs(y) > yScale) {
yScale = Math.abs(y);
}
if (Math.abs(z) > zScale) {
zScale = Math.abs(z);
}
} else if (lineSplit[0].compareTo(NORMAL) == 0) {
float z = Float.parseFloat(lineSplit[3]);
normalList.add(x);
normalList.add(y);
normalList.add(z);
} else if (lineSplit[0].compareTo(UV) == 0) {
uvList.add(x);
uvList.add(y);
}
}
line = reader.readLine();
}
}
;
// gUtils.print("Created Object: " + obj.toString());
return obj;
}
