sdviewportClass.addField("xOff", ((GETFIELD)handles[3].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("xX", ((GETFIELD)handles[5].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("xY", ((GETFIELD)handles[9].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("xZ", ((GETFIELD)handles[14].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("yOff", ((GETFIELD)handles[25].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("yX", ((GETFIELD)handles[27].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("yY", ((GETFIELD)handles[31].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("yZ", ((GETFIELD)handles[36].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("zOff", ((GETFIELD)handles[47].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("zX", ((GETFIELD)handles[49].getInstruction()).getFieldName(cpg));
sdviewportClass.addField("zY", ((GETFIELD)handles[53].getInstruction()).getFieldName(cpg));