Changed up how resources import/export files. Added Model codecs.

include/ehs/io/mdl/KeyFrame.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include "ehs/EHS.h"
+#include "ehs/Array.h"
+#include "ehs/Vec3.h"
+#include "ehs/Quat.h"
+#include "ehs/Mat4.h"
+#include "PropertyChange.h"
+
+namespace ehs
+{
+	class KeyFrame
+	{
+	private:
+		float num;
+		float timeStamp;
+		Vec3_f pos;
+		Quat_f rot;
+		Vec3_f scale;
+		Mat4_f trans;
+
+	public:
+		KeyFrame();
+
+		KeyFrame(const float num, const float timeStamp, const Vec3_f& pos, const Quat_f& rot, const Vec3_f& scale);
+
+		KeyFrame(const float num, const float timeStamp);
+
+		KeyFrame(const KeyFrame& kf);
+
+		KeyFrame& operator=(const KeyFrame& kf);
+
+		float GetNum() const;
+
+		float GetTimeStamp() const;
+
+		void SetPos(const Vec3_f& newPos);
+
+		Vec3_f GetPos() const;
+
+		void SetRot(const Quat_f& newRot);
+
+		Quat_f GetRot() const;
+
+		void SetScale(const Vec3_f& newScale);
+
+		Vec3_f GetScale() const;
+
+		void CalculateTransform();
+
+		Mat4_f GetTrans() const;
+
+		static Mat4_f Interpolate(const KeyFrame& prev, const KeyFrame& next, const float percentage);
+	};
+}