// ==============================================================
//	This file is part of Glest Shared Library (www.glest.org)
//
//	Copyright (C) 2001-2008 Martiño Figueroa
//
//	You can redistribute this code and/or modify it under 
//	the terms of the GNU General Public License as published 
//	by the Free Software Foundation; either version 2 of the 
//	License, or (at your option) any later version
// ==============================================================

#ifndef _SHARED_GRAPHICTYPES_MODELHEADER_H_
#define _SHARED_GRAPHICTYPES_MODELHEADER_H_

#include "data_types.h"
#include "leak_dumper.h"

using Shared::Platform::uint8;
using Shared::Platform::uint16;
using Shared::Platform::uint32;
using Shared::Platform::float32;

namespace Shared {
	namespace Graphics {

#pragma pack(push, 1) 

		struct FileHeader {
			uint8 id[3];
			uint8 version;
		};

		//version 4

		struct ModelHeader {
			uint16 meshCount;
			uint8 type;
		};

		enum ModelType {
			mtMorphMesh
		};

		enum MeshPropertyFlag {
			mpfCustomColor = 1,
			mpfTwoSided = 2,
			mpfNoSelect = 4,
			mpfGlow = 8
		};

		enum MeshTexture {
			mtDiffuse,
			mtSpecular,
			mtNormal,
			mtReflection,
			mtColorMask,

			meshTextureCount
		};

		const int meshTextureChannelCount[] = { -1, 1, 3, 1, 1 };

		const uint32 meshNameSize = 64;
		const uint32 mapPathSize = 64;

		struct MeshHeader {
			uint8 name[meshNameSize];
			uint32 frameCount;
			uint32 vertexCount;
			uint32 indexCount;
			float32 diffuseColor[3];
			float32 specularColor[3];
			float32 specularPower;
			float32 opacity;
			uint32 properties;
			uint32 textures;
		};

#pragma pack(pop) 

		//version 3

		//front faces are clockwise faces
		struct ModelHeaderV3 {
			uint32 meshCount;
		};

		enum MeshPropertyV3 {
			mp3NoTexture = 1,
			mp3TwoSided = 2,
			mp3CustomColor = 4
		};

		struct MeshHeaderV3 {
			uint32 vertexFrameCount;
			uint32 normalFrameCount;
			uint32 texCoordFrameCount;
			uint32 colorFrameCount;
			uint32 pointCount;
			uint32 indexCount;
			uint32 properties;
			uint8 texName[64];
		};

		//version 2

		struct MeshHeaderV2 {
			uint32 vertexFrameCount;
			uint32 normalFrameCount;
			uint32 texCoordFrameCount;
			uint32 colorFrameCount;
			uint32 pointCount;
			uint32 indexCount;
			uint8 hasTexture;
			uint8 primitive;
			uint8 cullFace;
			uint8 texName[64];
		};

	}
}//end namespace

#endif