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

include/ehs/io/mdl/MdlCodec.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include "ehs/Str.h"
+#include "ehs/Serializer.h"
+#include "ehs/system/CPU.h"
+
+namespace ehs
+{
+	class Mdl;
+	class MdlCodec;
+
+	typedef bool (*EnocdeMdlCb)(const MdlCodec*, Serializer<UInt_64>&, const Mdl*);
+	typedef bool (*DecodeMdlCb)(const MdlCodec*, Serializer<UInt_64>&, Mdl*);
+
+	class MdlCodec
+	{
+	private:
+		Str_8 id;
+		UInt_64 hashExt;
+		Str_8 ext;
+		Endianness endianness;
+		EnocdeMdlCb encoder;
+		DecodeMdlCb decoder;
+
+	public:
+		MdlCodec();
+
+		MdlCodec(Str_8 id, Str_8 ext, Endianness end, EnocdeMdlCb encoder, DecodeMdlCb decoder);
+
+		MdlCodec(MdlCodec&& codec) noexcept;
+
+		MdlCodec(const MdlCodec& codec);
+
+		MdlCodec& operator=(MdlCodec&& codec) noexcept;
+
+		MdlCodec& operator=(const MdlCodec& codec);
+
+		Str_8 GetId() const;
+
+		UInt_64 GetHashExt() const;
+
+		Str_8 GetExt() const;
+
+		Endianness GetEndianness() const;
+
+		bool Encode(Serializer<UInt_64>& out, const Mdl* in) const;
+
+		bool Decode(Serializer<UInt_64>& in, Mdl* out) const;
+	};
+}