added open file ability from the old project to Qt,

texture seams not to open,
texture display does not work

MeshViewerQt/Header/FileInterface.h

@@ -0,0 +1,72 @@
+#pragma once
+#include <fstream>
+#include <vector>
+#include <QMatrix4x4>
+
+//TODO: shouldn't be here
+enum ModelTyp {
+	null,
+	dynamicMesh,
+	cloth,
+	bone,
+	staticMesh,
+	shadowMesh = 6
+};
+
+struct BoundingBox {
+	float quaternion[4];
+	float center[3];
+	float extents[3];
+};
+
+struct Segment {
+	std::uint32_t textureIndex = 0;
+	float* vertex = nullptr;
+	float* uv = nullptr;
+	std::vector<std::vector<std::uint32_t>> polyIndices;	// indices into vertex array
+};
+
+struct Model {
+	std::string name			= "";
+	std::string parent			= "";
+	ModelTyp type				= null;	//TODO: should be removed
+	std::int32_t renderFlags	= -1;	//TODO: should be removed
+	QMatrix4x4 m4x4Translation;
+	std::vector<Segment*> segmList;
+};
+
+class FileInterface
+{
+public:
+	FileInterface(const char* path)
+		: m_vModels(new std::vector<Model*>)
+	{
+		//open file
+		m_fsMesh.open(path, std::ios::in | std::ios::binary);
+
+		if (!m_fsMesh.is_open())
+			throw std::invalid_argument(std::string("file not found: ") += path);
+	};
+
+	virtual ~FileInterface()
+	{
+		// close file
+		m_fsMesh.close(); 
+
+		//clean up
+		m_vTextureNames.clear();
+	};
+
+protected:
+	std::vector<Model*>* m_vModels;
+	std::fstream m_fsMesh;
+	std::vector<std::string> m_vTextureNames;
+	BoundingBox m_sceneBbox;
+
+	virtual void import() = 0;
+
+public:
+	virtual std::vector<Model*>* getModels() const { return m_vModels; };
+	virtual std::vector<std::string> getTextureNames() const { return m_vTextureNames; };
+	virtual BoundingBox getBoundingBox() const { return m_sceneBbox; };
+};