ms3dformat.h

小型的3D游戏引擎

#ifndef _MS3DFORMAT_H_
#define _MS3DFORMAT_H_

#include "../texture.h"
#include "../math/vector.h"
#include "../math/matrix.h"

struct Material
{
	char m_name[32];
	float m_ambient[4], m_diffuse[4], m_specular[4], m_emissive[4];
	float m_shininess;
	GcTexture texture;
	char m_textureFilename[256];
	char m_alphamapFilename[256];
};

struct Triangle
{
	//GcVector3 m_Normal;
	float m_normal[3];
	int m_vertexIndices[3];			// FIXME: UGLY AND DUMB! REMOVE AS SOON AS POSSIBLE!
	float m_vertexNormals[3][3];	// UGLY AND DUMB! REMOVE AS SOON AS POSSIBLE!
	float m_s[3], m_t[3];			// UGLY AND DUMB! REMOVE AS SOON AS POSSIBLE!
};

struct Vertex
{
	char m_boneID;	// For skeleton
	//GcVector3 m_location;
	float m_location[3];
	GcVector3 m_normal;
	float m_u, m_v;

};

struct Mesh
{
	char m_name[32];

	int m_materialIndex;

	int m_numVertices;
	Vertex * m_vertices;

	int m_numTriangles;
	int * m_triangleIndices;
};

struct Keyframe
{
	int m_jointIndex;
	float m_time;			// in milliseconds
	float m_parameter[3];
};


struct Joint
{
	GcVector3 m_localRotation;
	GcVector3 m_localTranslation;
	GcMatrix4 m_absolute, m_relative;

	int m_numRotationKeyframes, m_numTranslationKeyframes;
	Keyframe * m_translationKeyframes;
	Keyframe * m_rotationKeyframes;

	int m_currentTranslationKeyframe, m_currentRotationKeyframe;
	GcMatrix4 m_final;

	int m_parent;
};

/* 
	MS3D STRUCTURES 
*/

#define PATH_MAX _MAX_PATH
// byte-align structures
/*#if defined( _MSC_VER ) || defined( __BORLANDC__ )
#	include <pshpack1.h>
#	define PACK_STRUCT
#	
#elif defined( __GNUC__ )
#	define PACK_STRUCT	__attribute__((packed))
#	include <limits.h>
#else
#	error you must byte-align these structures with the appropriate compiler directives
#endif*/

#pragma pack(push, 1)

typedef unsigned char byte;
typedef unsigned short word;

// File header
struct MS3DHeader
{
	char m_ID[10];
	int m_version;
};

// Vertex information
struct MS3DVertex
{
	byte m_flags;
	float m_vertex[3];
	char m_boneID;
	byte m_refCount;
};

// Triangle information
struct MS3DTriangle
{
	word m_flags;
	word m_vertexIndices[3];
	float m_vertexNormals[3][3];
	float m_s[3], m_t[3];
	byte m_smoothingGroup;
	byte m_groupIndex;
};

// Material information
struct MS3DMaterial
{
    char m_name[32];
    float m_ambient[4];
    float m_diffuse[4];
    float m_specular[4];
    float m_emissive[4];
    float m_shininess;		// 0.0f - 128.0f
    float m_transparency;	// 0.0f - 1.0f
    byte m_mode;			// 0, 1, 2 is unused now
    char m_texture[128];
    char m_alphamap[128];
};

//	Joint information
struct MS3DJoint
{
	byte m_flags;
	char m_name[32];
	char m_parentName[32];
	float m_rotation[3];
	float m_translation[3];
	word m_numRotationKeyframes;
	word m_numTranslationKeyframes;
};

// Keyframe data
struct MS3DKeyframe
{
	float m_time;
	float m_parameter[3];
};

// Default alignment

#pragma pack(pop)

#endif