source: orxonox.OLD/orxonox/branches/md2_loader/src/lib/graphics/importer/md2Model.h @ 4072

/*! 
    \file md2Model.h
    \brief Definition of an MD2 Model, a model format invented by ID Software.
        
        We are deeply thankfull for all the wunderfull things id software made for us gamers!

*/

#ifndef _MD2MODEL_H
#define _MD2MODEL_H

#include "abstract_model.h"


//! These are the needed defines for the max values when loading .MD2 files
#define MD2_MAX_TRIANGLES               4096
#define MD2_MAX_VERTICES                2048
#define MD2_MAX_TEXCOORDS               2048
#define MD2_MAX_FRAMES                  512
#define MD2_MAX_SKINS                   32
#define MD2_MAX_FRAMESIZE               (MD2_MAX_VERTICES * 4 + 128)

//! This holds the header information that is read in at the beginning of the file
struct tMd2Header
{ 
   int magic;                                   //!< This is used to identify the file
   int version;                                 //!< The version number of the file (Must be 8)
   int skinWidth;                               //!< The skin width in pixels
   int skinHeight;                              //!< The skin height in pixels
   int frameSize;                               //!< The size in bytes the frames are
   int numSkins;                                //!< The number of skins associated with the model
   int numVertices;                             //!< The number of vertices (constant for each frame)
   int numTexCoords;                    //!< The number of texture coordinates
   int numTriangles;                    //!< The number of faces (polygons)
   int numGlCommands;                   //!< The number of gl commands
   int numFrames;                               //!< The number of animation frames
   int offsetSkins;                             //!< The offset in the file for the skin data
   int offsetTexCoords;                 //!< The offset in the file for the texture data
   int offsetTriangles;                 //!< The offset in the file for the face data
   int offsetFrames;                    //!< The offset in the file for the frames data
   int offsetGlCommands;                //!< The offset in the file for the gl commands data
   int offsetEnd;                               //!< The end of the file offset
};


//! This is used to store the vertices that are read in for the current frame directly from the file (compressed)
struct tMd2AliasTriangle
{
   byte vertex[3];
   byte lightNormalIndex;
};

//! This stores the normals and vertices for the frames (uncompressed)
struct tMd2Triangle
{
   float vertex[3];
   float normal[3];
};

//! This stores the indices into the vertex and texture coordinate arrays
struct tMd2Face
{
   short vertexIndices[3];
   short textureIndices[3];
};

//! This stores UV coordinates
struct tMd2TexCoord
{
   short u, v;
};

// This stores the animation scale, translation and name information for a frame, plus verts
struct tMd2AliasFrame
{
   float scale[3];
   float translate[3];
   char name[16];
   tMd2AliasTriangle aliasVertices[1];
};

// This stores the frames vertices after they have been transformed
struct tMd2Frame
{
   char strName[16];
   tMd2Triangle *pVertices;
};

// This stores a skin name
typedef char tMd2Skin[64];


//! A class for representating a MD2Model
class MD2Model : public AbstractModel {

 public:
  MD2Model();
  virtual ~MD2Model();


};

#endif /* _MD2MODEL_H */