wrote vn parser

src/amo.cpp

@@ -6,6 +6,69 @@
 #include <J3ML/LinearAlgebra.h>
 #include <Collage/types/model.h>
 
+// Parse Vertex Normals
+std::vector<std::tuple<float, float, float>> parse_vn(std::istringstream& s, std::ifstream& f) {
+	// Get vertex normals count
+	int vncnt;
+	s >> vncnt;
+	std::cout << "vn " << vncnt << std::endl;
+
+	// store our vertex normals for returning later
+	std::vector<std::tuple<float, float, float>> vn;
+
+	// Parse until vncnt
+	int i;
+	for (i=0; i<vncnt; i++) {
+		std::string l;
+
+		if (getline(f, l)) {
+			std::istringstream stream(l);
+			float x = 0;
+			float y = 0; 
+			float z = 0;
+			stream >> x >> y >> z;
+			// For debugging -> std::cout << l << std::endl; 
+
+			vn.push_back({x, y, z});
+		} else {
+			break;
+		}
+	}
+
+	return vn;
+}
+
+// Parse Vertex Textures
+std::vector<std::tuple<float, float>> parse_vt(std::istringstream& s, std::ifstream& f) {
+	// Get vertex textures count
+	int vtcnt;
+	s >> vtcnt;
+	std::cout << "vt " << vtcnt << std::endl;	
+
+	// Store our vertex texture coords for returning later
+	std::vector<std::tuple<float, float>> vt;
+
+	// Parse lines until vtcnt
+	int i;
+	for (i=0; i<vtcnt; i++) {
+		std::string l;
+
+		if (getline(f, l)) {
+			std::istringstream stream(l);
+			float x = 0;
+			float y = 0;
+			stream >> x >> y;
+			// For debugging -> std::cout << l << std::endl;
+
+			vt.push_back({x, y});
+		} else {
+			break;
+		}
+	}
+
+	return vt;
+}
+
 // Parse Vertices 
 std::vector<std::tuple<float, float, float>> parse_v(std::istringstream& s, std::ifstream& f) {
 	// Get vertices count
@@ -27,7 +90,7 @@ std::vector<std::tuple<float, float, float>> parse_v(std::istringstream& s, std:
 			float y = 0; 
 			float z = 0;
 			stream >> x >> y >> z;
-			std::cout << l << std::endl;
+			// For debugging -> std::cout << l << std::endl;
 
 			v.push_back({x, y, z});
 		} else {
@@ -91,6 +154,18 @@ void Model::loadAMO(const std::string& filename) {
 			for (const std::tuple<float, float, float>& i : v) {
 				std::cout << get<0>(i) << " " << get<1>(i) << " " << get<2>(i) << std::endl;
 			}
+		} else if (prefix == "vt") {
+			std::vector<std::tuple<float, float>> vt;
+			vt = parse_vt(stream, file);
+			for (const std::tuple<float, float>& i: vt) {
+				std::cout << get<0>(i) << " " << get<1>(i) << std::endl;
+			}
+		} else if (prefix == "vn") {
+			std::vector<std::tuple<float, float, float>> vn;
+			vn = parse_vn(stream, file);
+			for (const std::tuple<float, float, float>& i : vn) {
+				std::cout << get<0>(i) << " " << get<1>(i) << " " << get<2>(i) << std::endl;
+			}
 		}
 	}