feat: refactor code + optimizations for obj file parsing

include/IO/parser.h

@@ -0,0 +1,20 @@
+#ifndef PARSER_H_
+#define PARSER_H_
+
+// Very fast OBJ/MTL line parser
+class Parser {
+private:
+    char* m_sv;
+public:
+    Parser(char* sv) : m_sv(sv) {}
+public:
+    void SkipSpaces();
+    char* TakeWord();
+    float TakeFloat();
+    int TakeInt();
+    bool TakeFaceIndices(int& vi, int& ti, int& ni);
+    char* TakeUntil(char d);
+    int TakeIndex(int baseCount);
+};
+
+#endif // PARSER_H_