KeosMD2AnimatedLoader.h

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/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */
#ifndef KEOS_MD2ANIMATEDLOADER_H
#define KEOS_MD2ANIMATEDLOADER_H

#include "KeosPrerequisites.h"
#include "KeosLoader.h"
#include "KeosAnimatedMeshKF.h"

namespace Keos
{
  //-----------------------------------------------------------------------
  class CMD2AnimatedLoader : public ILoader<CAnimatedMeshKF>
  {
  public :

    virtual CAnimatedMeshKF* LoadFromFile(const String& strFilename);

  private :

    static const int ms_nMagicId    = ('2' << 24) + ('P' << 16) + ('D' << 8) + 'I';
    static const int ms_nMD2Version = 8;
    static const TVector3F ms_NormalTable[];

#include <pshpack1.h>

    struct THeader
    {
      int Ident;            // This is used to identify the file
      int Version;          // The version number of the file (Must be 8)
      int TexWidth;         // The skin width in pixels
      int TexHeight;        // The skin height in pixels
      int FrameSize;        // The size in bytes the frames are
      int NbTextures;       // The number of skins associated with the model
      int NbVertices;       // The number of vertices (constant for each frame)
      int NbTexCoords;      // The number of texture coordinates
      int NbTriangles;      // The number of faces (polygons)
      int NbGLCommands;     // The number of gl commands
      int NbFrames;         // The number of animation frames
      int OffsetTextures;   // 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
    };

    struct TPoint
    {
      unsigned char x, y, z;
      unsigned char n; // light normal index
    };

    struct TTexCoord
    {
      short u, v;
    };

    struct TTriangle
    {
      unsigned short Vertices[3];
      unsigned short TexCoords[3];
    };

    // This stores a skin name
    struct TTexture
    {
      char Name[68];
    };

    // This stores the animation scale, translation and name information for a frame, plus verts
    struct TFrame
    {
      TVector3F           Scale;
      TVector3F           Translate;
      char                Name[16];
      std::vector<TPoint> Vertices;
    };
#include <poppack.h>
  };
} // namespace Keos

#endif // KEOS_MD2ANIMATEDLOADER_H

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