Changeset 8724 in orxonox.OLD for trunk/src/lib/graphics/importer/md3

Timestamp:

Jun 22, 2006, 3:14:58 PM (19 years ago)

Author:

bensch

Message:

merged the bsp-model-stuff back here

Location:

trunk/src/lib/graphics/importer/md3

Files:

• md3_animation.cc (modified) (2 diffs)
• md3_animation.h (modified) (3 diffs)
• md3_animation_cfg.cc (copied) (copied from branches/bsp_model/src/lib/graphics/importer/md3/md3_animation_cfg.cc)
• md3_animation_cfg.h (copied) (copied from branches/bsp_model/src/lib/graphics/importer/md3/md3_animation_cfg.h)
• md3_bone_frame.h (modified) (2 diffs)
• md3_data.cc (modified) (8 diffs)
• md3_data.h (modified) (2 diffs)
• md3_mesh.h (modified) (1 diff)
• md3_model.cc (modified) (3 diffs)
• md3_model.h (modified) (3 diffs)

trunk/src/lib/graphics/importer/md3/md3_animation.cc

@@ -22 +22 @@
 {
 
+
+
+  MD3AnimationMap MD3Animation::animationList[25] = {
+    { "Death 1",                 BOTH  },
+    { "Dead 1",                  BOTH  },
+    { "Death 2",                 BOTH  },
+    { "Dead 2",                  BOTH  },
+    { "Death 3",                 BOTH  },
+    { "Dead 3",                  BOTH  },
+    { "Gesture",                 BOTH  },
+    { "Shoot",                   TORSO },
+    { "Hit",                     TORSO },
+    { "Drop Weapon",             TORSO },
+    { "Raise Weapon",            TORSO },
+    { "Stand With Weapon",       TORSO },
+    { "Stand with Gauntlet",     TORSO },
+    { "Crouched Walk",           LEGS  },
+    { "Walk",                    LEGS  },
+    { "Run",                     LEGS  },
+    { "Backpedal",               LEGS  },
+    { "Swim",                    LEGS  },
+    { "Jump Forward",            LEGS  },
+    { "Land Forward",            LEGS  },
+    { "Jump Backward",           LEGS  },
+    { "Land Backward",           LEGS  },
+    { "Stand Idle",              LEGS  },
+    { "Crouched Idle",           LEGS  },
+    { "Turn In Place",           LEGS  }
+  };
+
+
   /**
    * create an empty MD3Animation object
@@ -28 +59 @@
   {
     this->init();
-  }
-
-
-  /**
-   * create a new MD3 Anumation object and initialize it with the data on the given line
-   * @param line: the line to read from
-   */
-  MD3Animation::MD3Animation(std::string line)
-  {
-    this->init();
-    // loadAnimation()
   }
 

trunk/src/lib/graphics/importer/md3/md3_animation.h

@@ -11 +11 @@
 #include <string>
 
+namespace md3
+{
 
-typedef struct AnimationType
-{};
+typedef enum MD3AnimationType {
+  LEGS      = 0,             //!< animation only applicatble to the legs. top level model loaded from lower.md3
+  TORSO,                     //!< animation only applicatboe to the torso. normaly loaded from upper.md3
+  BOTH,                      //!< animation is applicable on both
+  ALL,                       //!< animation is applicable to all submodels
+
+  NUM_ANIMATION_TYPE         //!< number of animations
+};
+
+
+typedef struct MD3AnimationMap {
+  std::string        animationName;
+  MD3AnimationType   animationType;
+};
+
+
 
 
@@ -24 +40 @@
   public:
     MD3Animation();
-    MD3Animation(std::string line);
     virtual ~MD3Animation();
 
@@ -33 +48 @@
 
   public:
-    AnimationType    type;                        //!< specifies for what parts of a model this animation is appilcable (e.g. LEGS, BOTH)
-    std::string      name;                        //!< name of the animation
+    MD3AnimationType      type;                      //!< specifies for what parts of a model this animation is appilcable (e.g. LEGS)
+    std::string           name;                      //!< name of the animation
 
-    int              offset;                      //!< for LEGS animation, this is the offset value to skip TORSO frames
-    int              first;                       //!< first frame
-    int              numFrames;                   //!< the number of frames in the anumation. < 0 means that all available frames used
-    int              numLoopFrames;               //!< number of looping frames
-    int              fps;                         //!< frames per second
+    int                   offset;                    //!< for LEGS animation, this is the offset value to skip TORSO frames
+    int                   first;                     //!< first frame
+    int                   numFrames;                 //!< the number of frames in the anumation. < 0 means that all available frames used
+    int                   numLoopFrames;             //!< number of looping frames
+    int                   fps;                       //!< frames per second
 
-
+    static MD3AnimationMap animationList[25];         //!< the animation list
 };
 
-
+}
 #endif /* _MD3_ANIMATION_H */

trunk/src/lib/graphics/importer/md3/md3_bone_frame.h

@@ -6 +6 @@
  */
 
-#ifndef _MD3_ANIMATION_H
-#define _MD3_ANIMATION_H
+#ifndef _MD3_BONE_FRAME_ANIMATION_H
+#define _MD3_BONE_FRAME_ANIMATION_H
 
 #include "vector.h"
@@ -51 +51 @@
 }
 
-#endif /* _MD3_ANIMATION_H */
+#endif /* _MD3_BONE_FRAME_ANIMATION_H */

trunk/src/lib/graphics/importer/md3/md3_data.cc

@@ -37 +37 @@
 MD3Data::MD3Data(const std::string& modelFileName, const std::string& skinFileName, float scale)
 {
-
-
+  this->filename = modelFileName;
+
+  this->parentTagIndex = -1;
+  this->parent = NULL;
+
+  this->animationState.currentFrame = 0;
+  this->animationState.nextFrame = 1;
+  this->animationState.interpolationFraction = 0.0f;
+
+  this->animation = NULL;
+  this->bInterpolate = false;
+  this->upperBound = 0;
 
   this->loadModel(modelFileName);
 //   this->loadSkin(skinFileName);
+  this->init();
 }
 
@@ -54 +65 @@
   delete this->header;
 }
+
+
+/**
+ * init data
+ */
+void MD3Data::init()
+{
+  // create the temporary data to work with (interpolation data)
+  this->tmpBoneFrame = new MD3BoneFrame();
+
+  this->tmpMesh = new sVec3D*[this->header->meshNum];
+  for( int i = 0; i < this->header->meshNum; i++)
+    this->tmpMesh[i] = new sVec3D[this->meshes[i]->header->vertexNum];
+
+  this->tmpNormal = new MD3Normal*[this->header->meshNum];
+  for( int i = 0; i < this->header->meshNum; i++)
+    this->tmpNormal[i] = new MD3Normal[this->meshes[i]->header->vertexNum];
+
+  // there are at most 4 different models and submodels
+  this->tmpMatrix = new float*[4];
+  for( int i = 0; i < 4; i++)
+    this->tmpMatrix[i] = new float[16];
+
+}
+
+
+/**
+ * link a model at the specified tag position to this model. if the position is already
+ * occupied, the old submodel will be replaced
+ *
+ *  @param tagIndex: tag to link the submodel to
+ *  @param child: the submodel that should be linked to this model
+ */
+void MD3Data::addLinkedModel(int tagIndex, MD3Data* child)
+{
+  this->sortedMap[tagIndex] = child;
+  child->parentTagIndex = tagIndex;
+}
+
+
+
+/**
+ * Return the index of the tag with the given name for this model.
+ *
+ * This will return -1 if their is no such tag.
+ */
+ int MD3Data::getTagIndexByName(std::string tagName)
+{
+   int res = -1;
+
+   if( this->header->boneFrameNum > 0) {
+     MD3Tag** tags = this->boneFrames[0]->tags;
+     for( int i = 0; i < this->header->tagNum; i++)
+       if( tags[i]->name.find(tagName) == std::string::npos)
+         return i;
+   }
+
+   return res;
+ }
 
 
@@ -67 +137 @@
 //  char* buffer;                           //buffer for frame data
   int fileOffset = 0;                     // file data offset
-
 
 
@@ -219 +288 @@
       fread(md, 1, sizeof(MD3TagData), pFile);
       this->boneFrames[i]->tags[j]->data = md;
+
+      this->boneFrames[i]->tags[j]->name = std::string(this->boneFrames[i]->tags[j]->data->name);
+      this->boneFrames[i]->tags[j]->position = Vector( this->boneFrames[i]->tags[j]->data->position[0],
+                                                       this->boneFrames[i]->tags[j]->data->position[1],
+                                                       this->boneFrames[i]->tags[j]->data->position[2]);
+      for( int k = 0; k < 3; k++)
+        for( int l = 0; l < 3; l++)
+          this->boneFrames[i]->tags[j]->matrix[k][l] = this->boneFrames[i]->tags[j]->data->matrix[k][l];
+
+      //PRINTF(0)("Tag name: %s\n", this->boneFrames[i]->tags[j]->name.c_str());
     }
   }
@@ -318 +397 @@
   fread(this->meshes[mesh]->triangles, 1, sizeof(MD3Triangle) * this->meshes[mesh]->header->triangleNum, pFile);
 
+//   for( int i = 0; i < this->meshes[mesh]->header->triangleNum; i++) {
+//     PRINTF(0)("Triangle read: %i, %i, %i\n", this->meshes[mesh]->triangles[i].vertexOffset[0], this->meshes[mesh]->triangles[i].vertexOffset[1]
+//         , this->meshes[mesh]->triangles[i].vertexOffset[2]);
+//   }
+
   return this->meshes[mesh]->header->triangleNum * sizeof(MD3Triangle);
 }
@@ -337 +421 @@
   for( int i = 0; i < this->meshes[mesh]->header->textureNum; i++) {
     PRINTF(0)(" texture file: %s\n", tex[i].fileName);
-    this->meshes[mesh]->material[i].setDiffuseMap(tex[i].fileName);
+#warning texture stuff hard coded. make this again
+    std::string path("/home/boenzlip/tmp/q3/Downloads/MOH/q3mdl-alien3/");
+    std::string path1(tex[i].fileName);
+    std::string fullPath( path + path1);
+    this->meshes[mesh]->material[i].setDiffuseMap(/*tex[i].fileName*/ /*fullPath.c_str()*/ "maps/creatures/gork/gorkup.tga");
     this->meshes[mesh]->material[i].setAmbient(1, 1, 1);
   }
@@ -355 +443 @@
   fread(this->meshes[mesh]->texVecs, 1, sizeof(MD3TexVecs) * this->meshes[mesh]->header->vertexNum, pFile);
 
+//   for( int i = 0; i < this->meshes[mesh]->header->vertexNum; i++)  {
+//     PRINTF(0)("TexVec read: %f, %f\n", this->meshes[mesh]->texVecs[i].textureCoord[0], this->meshes[mesh]->texVecs[i].textureCoord[0]);
+//   }
+
   return this->meshes[mesh]->header->vertexNum * sizeof(MD3TexVecs);
 }
@@ -367 +459 @@
 
   // reserver memory for the vertex informations
-  this->meshes[mesh]->meshFrames = new sVec3D[this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum];
-  this->meshes[mesh]->normals = new MD3Normal[this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum];
-
-  for( int i = 0; i < this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum; i++)
+  this->meshes[mesh]->meshFrames = new sVec3D*[this->meshes[mesh]->header->meshFrameNum]; // * this->meshes[mesh]->header->vertexNum
+  this->meshes[mesh]->normals = new MD3Normal*[this->meshes[mesh]->header->meshFrameNum];
+
+  for( int i = 0; i < this->meshes[mesh]->header->meshFrameNum; i++)
   {
-    // read out the compressed data
-    MD3VertexCompressed* vc = new MD3VertexCompressed;
-    fread(vc, 1, sizeof(MD3VertexCompressed), pFile);
-
-    this->meshes[mesh]->meshFrames[i][0] = (float)vc->vector[0] / 64.0f;
-    this->meshes[mesh]->meshFrames[i][1] = (float)vc->vector[1] / 64.0f;
-    this->meshes[mesh]->meshFrames[i][2] = (float)vc->vector[2] / 64.0f;
-
-    this->meshes[mesh]->normals[i].vertexNormal[0] = vc->vertexNormal[0];
-    this->meshes[mesh]->normals[i].vertexNormal[1] = vc->vertexNormal[1];
-
-    delete vc;
+    this->meshes[mesh]->meshFrames[i] = new sVec3D[this->meshes[mesh]->header->vertexNum];
+    this->meshes[mesh]->normals[i] = new MD3Normal[this->meshes[mesh]->header->vertexNum];
+
+    for( int j = 0; j < this->meshes[mesh]->header->vertexNum; j++)
+    {
+      // read out the compressed data
+      MD3VertexCompressed* vc = new MD3VertexCompressed;
+      fread(vc, 1, sizeof(MD3VertexCompressed), pFile);
+
+      this->meshes[mesh]->meshFrames[i][j][0] = (float)vc->vector[0] / 64.0f;
+      this->meshes[mesh]->meshFrames[i][j][1] = (float)vc->vector[1] / 64.0f;
+      this->meshes[mesh]->meshFrames[i][j][2] = (float)vc->vector[2] / 64.0f;
+
+      this->meshes[mesh]->normals[i][j].vertexNormal[0] = (int)vc->vertexNormal[0];
+      this->meshes[mesh]->normals[i][j].vertexNormal[1] = (int)vc->vertexNormal[1];
+
+//     PRINTF(0)("nr: %i, meshframes: %f, %f, %f, normal: %f, %f\n", i, this->meshes[mesh]->meshFrames[i][0], this->meshes[mesh]->meshFrames[i][1],
+//     this->meshes[mesh]->meshFrames[i][2], this->meshes[mesh]->normals[i].vertexNormal[0], this->meshes[mesh]->normals[i].vertexNormal[1]);
+
+      delete vc;
+    }
   }
 
-  // delete the temp memory again
-//   delete vc;
-
   return this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum * sizeof(MD3VertexCompressed);
 }
 
-}
-
-
-
-
-
-
-
+
+
+}
+
+
+
+
+
+
+

trunk/src/lib/graphics/importer/md3/md3_data.h

@@ -25 +25 @@
 #include "md_model_structure.h"
 
+#include <map>
+
 
 //! These are the needed defines for the max values when loading .MD2 files
 #define MD3_IDENT                       (('3'<<24) + ('P'<<16) + ('D'<<8) + 'I') //!< the md3 identifier tag in the bin file
 #define MD3_VERSION                     15                                       //!< the md2 version in the header
-#define MD2_MAX_TRIANGLES               4096                                     //!< maximal triangles count
-#define MD2_MAX_VERTICES                2048                                     //!< maximal vertices count
-#define MD2_MAX_TEXCOORDS               2048                                     //!< maximal tex coordinates
-#define MD2_MAX_FRAMES                  512                                      //!< maximal frames
-#define MD2_MAX_SKINS                   32                                       //!< maximal skins
-#define MD2_MAX_FRAMESIZE               (MD2_MAX_VERTICES * 4 + 128)             //!< maximal framesize
 
-#define NUM_VERTEX_NORMALS              162                                      //!< number of vertex normals
-#define SHADEDOT_QUANT                  16                                       //!< shade dot quantity - no idea what it is
-
-//! This stores the speed of the animation between each key frame - currently conflicting with the animation framework
-#define kAnimationSpeed                 12.0f                                    //!< animation speed
 
 
@@ -48 +39 @@
   class MD3BoneFrame;
   class MD3Mesh;
+  class MD3Normal;
+  class MD3Animation;
 
-//! This holds the header information that is read in at the beginning of the file: id software definition
-struct MD3Header
-{
-   int ident;                           //!< This is used to identify the file
-   int version;                         //!< The version number of the file (Must be 8)
+  //! This holds the header information that is read in at the beginning of the file: id software definition
+  typedef struct MD3Header
+  {
+    int ident;                           //!< This is used to identify the file
+    int version;                         //!< The version number of the file (Must be 8)
 
-   char filename[68];                   //!< The filename of the model
+    char filename[68];                   //!< The filename of the model
 
-   int boneFrameNum;                    //!< number of frames
-   int tagNum;                          //!< number of tags
-   int meshNum;                         //!< number of mesh
-   int maxTexNum;                       //!< number of texture
+    int boneFrameNum;                    //!< number of frames
+    int tagNum;                          //!< number of tags
+    int meshNum;                         //!< number of mesh
+    int maxTexNum;                       //!< number of texture
 
-   int boneFrameStart;                  //!< start of bone frames
-   int tagStart;                        //!< start of the tag
-   int meshStart;                       //!< mesh start
+    int boneFrameStart;                  //!< start of bone frames
+    int tagStart;                        //!< start of the tag
+    int meshStart;                       //!< mesh start
 
-   int fileSize;                        //!< file size
-};
+    int fileSize;                        //!< file size
+  };
+
+  //!< holding the informations about the current animation state
+  typedef struct MD3AnimationState
+  {
+    int     currentFrame;          //!< currently rendered animation key frame of this model. Every part has its own current frame!
+    int     nextFrame;             //!< next animation key frame of the model.
+    float   interpolationFraction; //!< interpolation position between currentFrame and nextFrame [0,1]
+  };
 
 
+  //! class to store the md2 data in
+  class MD3Data : public BaseObject
+  {
+    public:
+      MD3Data(const std::string& modelFileName, const std::string& skinFileName, float scale = 1.0f);
+      virtual ~MD3Data();
 
-//! class to store the md2 data in
-class MD3Data : public BaseObject
-{
- public:
-   MD3Data(const std::string& modelFileName, const std::string& skinFileName, float scale = 1.0f);
-  virtual ~MD3Data();
+      void addLinkedModel(int tagIndex, MD3Data* child);
+      int getTagIndexByName(std::string name);
+
+    private:
+      bool loadModel(const std::string& fileName);
+      bool loadSkin(const std::string& fileName = "");
+
+      void init();
+
+      int readHeader(FILE* pFile, int fileOffset);
+      int readBoneFrames(FILE* pFile, int fileOffset);
+      int readTags(FILE* pFile, int fileOffset);
+      int readMeshes(FILE* pFile, int fileOffset);
 
 
- private:
-   bool loadModel(const std::string& fileName);
-   bool loadSkin(const std::string& fileName = "");
-
-   int readHeader(FILE* pFile, int fileOffset);
-   int readBoneFrames(FILE* pFile, int fileOffset);
-   int readTags(FILE* pFile, int fileOffset);
-   int readMeshes(FILE* pFile, int fileOffset);
+      int readMeshTriangles(FILE* pFile, int fileOffset, int mesh);
+      int readMeshTextures(FILE* pFile, int fileOffset, int mesh);
+      int readMeshTexVecs(FILE* pFile, int fileOffset, int mesh);
+      int readMeshVertices(FILE* pFile, int fileOffset, int mesh);
 
 
-   int readMeshTriangles(FILE* pFile, int fileOffset, int mesh);
-   int readMeshTextures(FILE* pFile, int fileOffset, int mesh);
-   int readMeshTexVecs(FILE* pFile, int fileOffset, int mesh);
-   int readMeshVertices(FILE* pFile, int fileOffset, int mesh);
+    public:
 
- public:
+      MD3Header*                header;            //!< the header file
 
-  MD3Header*          header;            //!< the header file
+      std::map<int, MD3Data*>   sortedMap;         //!< map
+      int                       parentTagIndex;    //!< the tag index of the parent model
+      MD3Data*                  parent;            //!< the parent model
 
-  std::string         filename;          //!< the name of the file as recorded in the .md3 file
-  std::string         loadFilename;      //!< filename of the actual file from which data was loaded
+      std::string               filename;          //!< the name of the file as recorded in the .md3 file
 
-  int                 boneFrameNum;      //!< number of anumation key fames in the models
-  int                 tagNum;            //!< number of tags
-  int                 meshNum;           //!< number of meshes
+      MD3AnimationState         animationState;    //!< the animation state of this model
 
-  int                 maxTextureNum;     //!< maximum number of unique used in an md3 file
-  int                 boneFrameStart;    //!< starting position of bone frame data structures
-  int                 tagStart;          //!< starting position of tag-structures
+      MD3BoneFrame**            boneFrames;        //!< array of bone frames, contains the metadata (bounding box, tags,...) for each frame
+      MD3Mesh**                 meshes;            //!< array of meshes in the model. each containing the mesh for each of the animation
 
-  int                 meshStart;         //!< starting position of mesh structures
-
-  int                 fileSize;          //!< file size
+      MD3BoneFrame*             tmpBoneFrame;      //!< a temporary bone frame
+      sVec3D**                  tmpMesh;           //!< a temporary mesh frame
+      MD3Normal**               tmpNormal;         //!< a temporary normals frame
+      float**                   tmpMatrix;         //!< a temporary matrix
 
 
-  MD3BoneFrame**      boneFrames;        //!< array of bone frames, contains the metadata (bounding box, tags,...) for each frame
-  MD3Mesh**           meshes;            //!< array of meshes in the model. each containing the mesh for each of the animation
-
-  int                 parentTagIndex;    //!< tag index
-
-  //MD3Model*           parent;            //!< reference to the MD3Model
-
-
-};
+     /* the animation part */
+     MD3Animation*              animation;         //!< animation
+     int                        op;                //!< the current operation
+     int                        upperBound;        //!< the upper bound
+     bool                       bInterpolate;      //!< interpolate the frames
+  };
 
 

trunk/src/lib/graphics/importer/md3/md3_mesh.h

@@ -77 +77 @@
     MD3Triangle*       triangles;               //!< indices into mesh frames and texture coord arrays
     MD3TexVecs*        texVecs;                 //!< tex vecs coordinates
-    sVec3D*            meshFrames;              //!< mesh frames
-    MD3Normal*         normals;                 //!< 3d array of normals with spherical coordinates giving the dir of the vertex normal
+    sVec3D**           meshFrames;              //!< mesh frames
+    MD3Normal**        normals;                 //!< 3d array of normals with spherical coordinates giving the dir of the vertex normal
 
 };

trunk/src/lib/graphics/importer/md3/md3_model.cc

@@ -18 +18 @@
 
 #include "md3_data.h"
-
+#include "md3_mesh.h"
+#include "md3_tag.h"
+#include "md3_bone_frame.h"
+#include "md3_animation.h"
+
+#include "md3_animation_cfg.h"
+
+#include "material.h"
+#include "quaternion.h"
+
+#include "loading/resource_manager.h"
+
+#include "debug.h"
 
 namespace md3
@@ -28 +40 @@
   MD3Model::MD3Model(std::string filename, float scaling)
   {
-    this->md3Data = new MD3Data(filename, filename, scaling);
+    this->autoAssemblePlayerModel(filename, scaling);
+
+    this->bDrawBones = false;
+    this->bDrawNormals = false;
+
+    this->time = 0.0f;
+
+    // set the animation
+    this->interpolate(this->md3Data, this->config->getAnimation("Dead 1"), MD3_ANIM_NEXT, true);
   }
 
@@ -34 +54 @@
 
   MD3Model::~MD3Model()
+  {
+//     delete this->tmpBoneFrame;
+//     delete [] this->tmpMesh;
+
+    ///TODO deleting mesh
+    ///TODO deleting matrices
+  }
+
+
+  /**
+   * auto assemples a player model
+   * @param filename is the name to the directory of the modelzzzzzz
+   */
+  void MD3Model::autoAssemblePlayerModel(std::string filename, float scaling)
+  {
+    // loading the config file
+    std::string cfgName(filename + "/animation.cfg");
+    this->config = (MD3AnimationCfg*)ResourceManager::getInstance()->load(cfgName, MD3_CONFIG, RP_GAME);
+
+    //first load the torso or the upper part
+    std::string nameUpper(filename + "/upper.md3");
+    if( (this->md3Data = (MD3Data*)ResourceManager::getInstance()->load(nameUpper, MD3, RP_GAME, nameUpper, scaling)) == NULL)
+    {
+      std::string nameTorso(filename + "/torso.md3");
+      this->md3Data = (MD3Data*)ResourceManager::getInstance()->load(nameTorso, MD3, RP_GAME, nameTorso, scaling);
+    }
+
+    if( this->md3Data == NULL)
+    {
+      PRINTF(1)("Problems loading the MD3Model. Abording\n");
+      return;
+    }
+
+    // load lower
+    std::string nameLower(filename + "/lower.md3");
+    MD3Data* lower = (MD3Data*)ResourceManager::getInstance()->load(nameLower, MD3, RP_GAME, nameLower, scaling);
+    if( lower != NULL)
+    {
+      int tag = this->md3Data->getTagIndexByName("tag_lower");
+      PRINTF(0)("Loaded the %s model on index %i\n", nameLower.c_str(), tag);
+      if( tag >= 0)
+       this->md3Data->addLinkedModel(tag, lower);
+      else
+        PRINTF(0)("Could not add %s\n", nameLower.c_str());
+
+    }
+
+
+    // load head
+    std::string nameHead(filename + "/head.md3");
+    MD3Data* head = (MD3Data*)ResourceManager::getInstance()->load(nameHead, MD3, RP_GAME, nameLower, scaling);
+    if( head != NULL)
+    {
+      int tag = this->md3Data->getTagIndexByName("tag_head");
+      PRINTF(0)("Loaded the %s model on index %i\n", nameHead.c_str(), tag);
+      if( tag >= 0)
+        this->md3Data->addLinkedModel(tag, head);
+      else
+        PRINTF(0)("Could not add %s\n", nameHead.c_str());
+    }
+
+  }
+
+
+
+  /**
+   * tick float
+   * @param time: time elapsed
+   */
+  void MD3Model::tick(float time)
+  {
+    if(this->md3Data == NULL)
+      return;
+
+    this->visit(this->md3Data, time);
+
+    this->tick(time, this->md3Data);
+  }
+
+
+  /**
+   * tick each data
+   */
+  void MD3Model::tick(float time, MD3Data* data)
+  {
+    // draw the bones if needed#
+    if( this->bDrawBones)
+    {
+      // get bone frame, interpolate if necessary
+      if( data->animationState.interpolationFraction != 0.0 &&
+          data->animationState.currentFrame != data->animationState.nextFrame)
+      {
+        //interpolate bone frame
+        data->tmpBoneFrame = this->interpolateBoneFrame(data, data->boneFrames[data->animationState.currentFrame],
+                                                        data->boneFrames[data->animationState.nextFrame],
+                                                        data->animationState.interpolationFraction);
+      }
+      else
+      {
+        data->tmpBoneFrame = data->boneFrames[data->animationState.currentFrame];
+      }
+    }
+
+
+    //draw all meshes of current frame of this model
+    for( int i = 0;  i < data->header->meshNum; i++)
+    {
+      MD3Mesh* mesh = data->meshes[i];
+
+      //interpolate mesh frame between the 2 current mesh frames
+      if( data->header->boneFrameNum > 1)
+        this->interpolateMeshFrame( data,
+                                    mesh->meshFrames[data->animationState.currentFrame],
+                                    mesh->meshFrames[data->animationState.nextFrame],
+                                    data->animationState.interpolationFraction, mesh, i);
+      else
+        this->interpolateMeshFrame( data,
+                                    mesh->meshFrames[data->animationState.currentFrame],
+                                    mesh->meshFrames[data->animationState.currentFrame],
+                                    0.0f, mesh, i);
+
+      // draw vertex normals if needed
+      if( this->bDrawNormals)
+      {
+        // get vertex normals, interpolate if necessary
+        if( data->animationState.interpolationFraction != 0.0 &&
+            data->animationState.currentFrame != data->animationState.nextFrame)
+        {
+          //interpolate vertex normals
+          this->interpolateVertexNormals(data,
+                                         mesh->normals[data->animationState.currentFrame],
+                                         mesh->normals[data->animationState.nextFrame],
+                                         data->animationState.interpolationFraction, mesh, i);
+        }
+      }
+    }
+
+
+    // draw all models linked to this model
+    std::map<int, MD3Data*>::iterator it = data->sortedMap.begin();
+    int i = 0;
+    while( it != data->sortedMap.end())
+    {
+      MD3Data* child = it->second;
+
+      //build transformation array m from matrix, interpolate if necessary
+
+      MD3Tag* currFrameTag = data->boneFrames[data->animationState.currentFrame]->tags[child->parentTagIndex];
+
+      if( data->animationState.interpolationFraction != 0.0 &&
+          data->animationState.currentFrame != data->animationState.nextFrame)
+      {
+        //we need to interpolate
+        MD3Tag* nextFrameTag = data->boneFrames[data->animationState.nextFrame]->tags[child->parentTagIndex];
+        this->interpolateTransformation(child, currFrameTag, nextFrameTag, data->animationState.interpolationFraction, i);
+      }
+      else
+      {
+        //no interpolation needed, stay with last transformation
+        //OpenGL matrix is in column-major order
+        data->tmpMatrix[i][0] = currFrameTag->matrix[0][0];
+        data->tmpMatrix[i][1] = currFrameTag->matrix[1][0];
+        data->tmpMatrix[i][2] = currFrameTag->matrix[2][0];
+        data->tmpMatrix[i][3] = 0.0f;
+        data->tmpMatrix[i][4] = currFrameTag->matrix[0][1];
+        data->tmpMatrix[i][5] = currFrameTag->matrix[1][1];
+        data->tmpMatrix[i][6] = currFrameTag->matrix[2][1];
+        data->tmpMatrix[i][7] = 0.0f;
+        data->tmpMatrix[i][8] = currFrameTag->matrix[0][2];
+        data->tmpMatrix[i][9] = currFrameTag->matrix[1][2];
+        data->tmpMatrix[i][10]= currFrameTag->matrix[2][2];
+        data->tmpMatrix[i][11]= 0.0f;
+        data->tmpMatrix[i][12] = currFrameTag->position.x;
+        data->tmpMatrix[i][13] = currFrameTag->position.y;
+        data->tmpMatrix[i][14] = currFrameTag->position.z;
+        data->tmpMatrix[i][15] = 1.0f;
+      }
+
+      // switch to child coord system
+
+      // and tick child
+      this->tick(time, child);
+
+      i++;
+      it++;
+    }
+  }
+
+
+  /**
+   * this draws the md3 model
+   */
+  void MD3Model::draw() const
+  {
+    //draw current bone frame
+    this->draw(this->md3Data);
+  }
+
+
+  /**
+   * draw the md3model
+   * @param data: the data to be drawn
+   */
+  void MD3Model::draw(MD3Data* data) const
+  {
+
+    // draw the bones if needed
+    if( this->bDrawBones)
+    {
+      // get bone frame, interpolate if necessary
+      if( data->animationState.interpolationFraction != 0.0 &&
+          data->animationState.currentFrame != data->animationState.nextFrame) {
+        //interpolate bone frame
+        this->drawBoneFrame(data->tmpBoneFrame);
+      }
+      else {
+        //stick with current bone frame
+        this->drawBoneFrame(data->boneFrames[data->animationState.currentFrame]);
+      }
+    }
+
+
+    //draw all meshes of current frame of this model
+    for( int i = 0;  i < data->header->meshNum; i++)
+    {
+      MD3Mesh* mesh = data->meshes[i];
+      sVec3D* frame = data->tmpMesh[i];
+
+      if( mesh->header->textureNum > 0 && &mesh->material[0] != NULL)
+        mesh->material[0].select();
+
+      this->drawMesh(mesh, frame);
+
+      // draw vertex normals if needed
+      if( this->bDrawNormals)
+      {
+        // get vertex normals, interpolate if necessary
+        if( data->animationState.interpolationFraction != 0.0 &&
+            data->animationState.currentFrame != data->animationState.nextFrame)
+        {
+          //interpolate vertex normals
+          this->drawVertexNormals(frame, data->tmpNormal[i]);
+        }
+        else {
+          //stick with current vertex normals
+          this->drawVertexNormals(frame, mesh->normals[data->animationState.currentFrame]);
+        }
+      }
+    }
+
+
+    // draw all models linked to this model
+    int i = 0;
+    std::map<int, MD3Data*>::iterator it = data->sortedMap.begin();
+    while( it != data->sortedMap.end())
+    {
+      MD3Data* child = it->second;
+
+      //switch to child coord system
+      glPushMatrix();
+      glMultMatrixf(data->tmpMatrix[i]);
+
+      // and draw child
+      this->draw(child);
+
+      glPopMatrix();
+
+      i++;
+      it++;
+    }
+
+  }
+
+
+  /**
+   * draws the mesh
+   */
+  void MD3Model::drawMesh(MD3Mesh* mesh, sVec3D* frame) const
+  {
+    Vector tmpVec1, tmpVec2;
+
+    glColor3f(1.0f, 1.0f, 1.0f);
+    glBegin( GL_TRIANGLES);
+
+    // upload all triangles in the frame to OpenGL
+    for( int t = 0; t < mesh->header->triangleNum; t++)
+    {
+      // calc normal vector
+      tmpVec1.x = frame[mesh->triangles[t].vertexOffset[1]][0] - frame[mesh->triangles[t].vertexOffset[0]][0];
+      tmpVec1.y = frame[mesh->triangles[t].vertexOffset[1]][1] - frame[mesh->triangles[t].vertexOffset[0]][1];
+      tmpVec1.z = frame[mesh->triangles[t].vertexOffset[1]][2] - frame[mesh->triangles[t].vertexOffset[0]][2];
+
+      tmpVec2.x = frame[mesh->triangles[t].vertexOffset[2]][0] - frame[mesh->triangles[t].vertexOffset[0]][0];
+      tmpVec2.y = frame[mesh->triangles[t].vertexOffset[2]][1] - frame[mesh->triangles[t].vertexOffset[0]][1];
+      tmpVec2.z = frame[mesh->triangles[t].vertexOffset[2]][2] - frame[mesh->triangles[t].vertexOffset[0]][2];
+
+      Vector normal = tmpVec1.cross(tmpVec2);
+      normal.normalize();
+
+//       PRINTF(0)("normal: %f, %f, %f\n", normal.x, normal.y, normal.z);
+
+      glNormal3f(normal.x, normal.y, normal.z);
+      glTexCoord2fv( mesh->texVecs[mesh->triangles[t].vertexOffset[0]].textureCoord);
+      glVertex3f( frame[mesh->triangles[t].vertexOffset[0]][0],
+                  frame[mesh->triangles[t].vertexOffset[0]][2],
+                  frame[mesh->triangles[t].vertexOffset[0]][1]);
+
+      glNormal3f(normal.x, normal.y, normal.z);
+      glTexCoord2fv( mesh->texVecs[mesh->triangles[t].vertexOffset[1]].textureCoord);
+      glVertex3f( frame[mesh->triangles[t].vertexOffset[1]][0],
+                  frame[mesh->triangles[t].vertexOffset[1]][2],
+                  frame[mesh->triangles[t].vertexOffset[1]][1]);
+
+      glNormal3f(normal.x, normal.y, normal.z);
+      glTexCoord2fv( mesh->texVecs[mesh->triangles[t].vertexOffset[2]].textureCoord);
+      glVertex3f( frame[mesh->triangles[t].vertexOffset[2]][0],
+                  frame[mesh->triangles[t].vertexOffset[2]][2],
+                  frame[mesh->triangles[t].vertexOffset[2]][1]);
+    }
+    glEnd();
+  }
+
+
+  /**
+   *  drawo vertex normals
+   */
+  void MD3Model::drawVertexNormals(sVec3D* frame, MD3Normal* normals) const
   {}
 
 
+  /**
+   * draw bone frame
+   */
+  void MD3Model::drawBoneFrame(MD3BoneFrame* frame) const
+  {
+    float x1 = frame->mins.x;
+    float y1 = frame->mins.y;
+    float z1 = frame->mins.z;
+    float x2 = frame->maxs.x;
+    float y2 = frame->maxs.y;
+    float z2 = frame->maxs.z;
+
+    glPushAttrib(GL_TEXTURE_2D);
+    glPushAttrib(GL_LIGHTING);
+
+    glColor3f(1.0f,0.0f,0.0f);
+    glPointSize(6.0f);
+
+    glBegin(GL_POINTS);
+    glVertex3f(frame->position.x, frame->position.y, frame->position.z);
+    glEnd();
+    glPointSize(1.0f);
+
+    glColor3f(0.0f,1.0f,0.0f);
+    glBegin(GL_LINE_LOOP);
+    glVertex3f(x1,y1,z1);
+    glVertex3f(x1,y1,z2);
+    glVertex3f(x1,y2,z2);
+    glVertex3f(x1,y2,z1);
+    glEnd();
+
+    glBegin(GL_LINE_LOOP);
+    glVertex3f(x2,y2,z2);
+    glVertex3f(x2,y1,z2);
+    glVertex3f(x2,y1,z1);
+    glVertex3f(x2,y2,z1);
+    glEnd();
+
+    glBegin(GL_LINES);
+    glVertex3f(x1,y1,z1);
+    glVertex3f(x2,y1,z1);
+
+    glVertex3f(x1,y1,z2);
+    glVertex3f(x2,y1,z2);
+
+    glVertex3f(x1,y2,z2);
+    glVertex3f(x2,y2,z2);
+
+    glVertex3f(x1,y2,z1);
+    glVertex3f(x2,y2,z1);
+    glEnd();
+
+     glPopAttrib();
+     glPopAttrib();
+  }
+
+
+  /**
+   *  interpolate bone frame
+   * @param currBoneFrame Start bone frame.
+   * @param nextBoneFrame End bone frame.
+   * @param frac Interpolation fraction, in [0,1].
+   */
+  MD3BoneFrame* MD3Model::interpolateBoneFrame(MD3Data* data, MD3BoneFrame* currBoneFrame, MD3BoneFrame* nextBoneFrame, float frac)
+  {
+    data->tmpBoneFrame->mins.x      = (1.0f - frac) * currBoneFrame->mins.x       + frac * nextBoneFrame->mins.x;
+    data->tmpBoneFrame->maxs.x      = (1.0f - frac) * currBoneFrame->maxs.x       + frac * nextBoneFrame->maxs.x;
+    data->tmpBoneFrame->position.x  = (1.0f - frac) * currBoneFrame->position.x   + frac * nextBoneFrame->position.x;
+    data->tmpBoneFrame->mins.y      = (1.0f - frac) * currBoneFrame->mins.y       + frac * nextBoneFrame->mins.y;
+    data->tmpBoneFrame->maxs.y      = (1.0f - frac) * currBoneFrame->maxs.y       + frac * nextBoneFrame->maxs.y;
+    data->tmpBoneFrame->position.y  = (1.0f - frac) * currBoneFrame->position.y   + frac * nextBoneFrame->position.y;
+    data->tmpBoneFrame->mins.z      = (1.0f - frac) * currBoneFrame->mins.z       + frac * nextBoneFrame->mins.z;
+    data->tmpBoneFrame->maxs.z      = (1.0f - frac) * currBoneFrame->maxs.z       + frac * nextBoneFrame->maxs.z;
+    data->tmpBoneFrame->position.z  = (1.0f - frac) * currBoneFrame->position.z   + frac * nextBoneFrame->position.z;
+
+    return data->tmpBoneFrame;
+  }
+
+
+
+  /**
+   * interpolate mesh frame
+   */
+  sVec3D* MD3Model::interpolateMeshFrame(MD3Data* data, sVec3D* currMeshFrame, sVec3D* nextMeshFrame, float frac, MD3Mesh* mesh, int i)
+  {
+    int vertexNum = mesh->header->vertexNum;
+
+    if( /*frac == 0.0f*/ true)
+    {
+      // just copy the vertices
+      for( int t = 0; t < vertexNum; t++)
+      {
+        data->tmpMesh[i][t][0]  = currMeshFrame[t][0];
+        data->tmpMesh[i][t][1]  = currMeshFrame[t][1];
+        data->tmpMesh[i][t][2]  = currMeshFrame[t][2];
+      }
+    }
+    else
+    {
+      // calc interpolated vertices
+      for( int t = 0; t < vertexNum; t++)
+      {
+        data->tmpMesh[i][t][0]  = (1.0f - frac)   * currMeshFrame[t][0]  + frac * nextMeshFrame[t][0];
+        data->tmpMesh[i][t][1]  = (1.0f - frac)   * currMeshFrame[t][1]  + frac * nextMeshFrame[t][1];
+        data->tmpMesh[i][t][2]  = (1.0f - frac)   * currMeshFrame[t][2]  + frac * nextMeshFrame[t][2];
+      }
+    }
+
+    return data->tmpMesh[i];
+  }
+
+
+  /**
+   * interpolate vertex normal
+   */
+  MD3Normal* MD3Model::interpolateVertexNormals(MD3Data* data, MD3Normal* currNormals, MD3Normal* nextNormals, float frac, MD3Mesh* mesh, int i)
+  {
+    for( int j = 0; j < mesh->header->vertexNum; j++)
+    {
+      data->tmpNormal[i][j].vertexNormal[0] = (int)((1.0f - frac) * currNormals[j].vertexNormal[0] + frac * nextNormals[j].vertexNormal[0]);
+      data->tmpNormal[i][j].vertexNormal[1] = (int)((1.0f - frac) * currNormals[j].vertexNormal[1] + frac * nextNormals[j].vertexNormal[1]);
+    }
+
+    return data->tmpNormal[i];
+  }
+
+
+  /**
+   * interpolate transformation
+   */
+  float* MD3Model::interpolateTransformation(MD3Data* data, MD3Tag* currFrameTag, MD3Tag* nextFrameTag, float frac, int i)
+  {
+    // interpolate position
+    Vector interpolatedPosition = currFrameTag->position * (1.0f - frac) + nextFrameTag->position * frac;
+
+
+    // interpolate rotation matrix
+    float  currRot[4][4];
+    float  nextRot[4][4];
+    float  interpolatedMatrix[4][4];
+
+    Quaternion currQuat(currFrameTag->matrix); currQuat.matrix(currRot);
+    Quaternion nextQuat(nextFrameTag->matrix); nextQuat.matrix(nextRot);
+
+    Quaternion interpolatedQuat = Quaternion::quatSlerp(currQuat, nextQuat, frac); interpolatedQuat.matrix(interpolatedMatrix);
+
+    // quaternion code is column based, so use transposed matrix when spitting out to gl
+    data->tmpMatrix[i][0] = interpolatedMatrix[0][0];
+    data->tmpMatrix[i][4] = interpolatedMatrix[1][0];
+    data->tmpMatrix[i][8] = interpolatedMatrix[2][0];
+    data->tmpMatrix[i][12] = interpolatedPosition.x;
+    data->tmpMatrix[i][1] = interpolatedMatrix[0][1];
+    data->tmpMatrix[i][5] = interpolatedMatrix[1][1];
+    data->tmpMatrix[i][9] = interpolatedMatrix[2][1];
+    data->tmpMatrix[i][13] = interpolatedPosition.y;
+    data->tmpMatrix[i][2] = interpolatedMatrix[0][2];
+    data->tmpMatrix[i][6] = interpolatedMatrix[1][2];
+    data->tmpMatrix[i][10]= interpolatedMatrix[2][2];
+    data->tmpMatrix[i][14] = interpolatedPosition.z;
+    data->tmpMatrix[i][3] = 0.0f;
+    data->tmpMatrix[i][7] = 0.0f;
+    data->tmpMatrix[i][11]= 0.0f;
+    data->tmpMatrix[i][15] = 1.0f;
+
+    return data->tmpMatrix[i];
+
+  }
+
+
+
+  /**
+   * visit the model
+   */
+  void MD3Model::visit(MD3Data* data, float time)
+  {
+    if ( (data->filename.find("lower") == std::string::npos &&
+          (data->animation->type == LEGS || data->animation->type == BOTH)) // this is the LEGS model and the animation is applicable
+          ||
+          (data->filename.find("upper") == std::string::npos &&
+          (data->animation->type == TORSO || data->animation->type == BOTH)) // this is the TORSO model and the animation is applicable
+          ||
+          data->animation->type == ALL // the animation is allways applicable
+       )
+      this->doOp(data, time);
+
+    // visit children
+//     std::map<int, MD3Data*>::iterator it = data->sortedMap.begin();
+//     while( it != data->sortedMap.end())
+//     {
+//       this->visit(it->second);
+//       it++;
+//     }
+  }
+
+
+  /**
+   * Create a new visitor to apply an animation operation (NEXT, REWIND, ...)
+   * to a MD3 model. The operation is executed in the context of the specified
+   * animation.
+   *
+   * @param anim The animation that provides the context for the operation.
+   * @param op The operation to apply.
+   * @param interpolate Should interpolation be done?
+   */
+  void MD3Model::interpolate(MD3Data* data, MD3Animation* anim, int op, bool bInterpolate)
+  {
+     data->animation = anim;
+     if( op == MD3_ANIM_NEXT || op == MD3_ANIM_PREVIOUS || op == MD3_ANIM_REWIND)
+      data->op = op;
+
+     data->bInterpolate = bInterpolate;
+  }
+
+
+  /**
+   * calc next frame number
+   */
+  int MD3Model::next(MD3Data* data, int nr)
+  {
+    if( nr < (data->upperBound - 1))
+      return nr + 1;
+    else
+    { //rewind needed
+      if( data->animation->numFrames < 0)
+        return data->animation->first;
+      else {
+        nr = (data->animation->numLoopFrames != 0)?(data->animation->numFrames - data->animation->numLoopFrames):0;
+        return data->animation->first + nr;
+      }
+    }
+  }
+
+
+  /**
+   * calc prev frame number
+   */
+  int MD3Model::prev(MD3Data* data, int nr)
+  {
+    if( nr == data->animation->first)
+      return data->upperBound - 1;
+    else
+      return nr - 1;
+  }
+
+
+  /**
+   * apply the specified operation to the animation state data members of the model
+   * taking the specified animation into account
+   *
+   * @param data: the data of the model
+   */
+  void MD3Model::doOp(MD3Data* data, float time)
+  {
+    // animation to be applied could have illegal data with respect to this model,
+    // ignore anim in this case
+
+    if( data->animation->first >= data->animation->numFrames || data->animation->first < 0)
+    {
+      PRINTF(0)("MD3: this animation type seems to be invalid, no animation calculated\n");
+      return;
+    }
+
+
+    //calc upper bound for animation frames in this model
+    if( data->animation->numFrames < 0)
+      data->upperBound = data->header->boneFrameNum; //use all available frames
+    else
+    {
+      if( data->header->boneFrameNum < (data->animation->first + data->animation->numFrames))
+        data->upperBound = data->header->boneFrameNum;
+      else
+        data->upperBound = (data->animation->first + data->animation->numFrames);
+    }
+
+
+    switch( data->op) {
+
+      case MD3_ANIM_NEXT:
+        if( data->bInterpolate)
+        {
+          // keyframe interpolation animation
+          data->animationState.interpolationFraction += time * data->animation->fps;
+
+          if( data->animationState.interpolationFraction >= 1.0f)
+          {
+            data->animationState.currentFrame = data->animationState.nextFrame;
+            data->animationState.nextFrame = next(data, data->animationState.nextFrame);
+            data->animationState.interpolationFraction = 0.0f;
+          }
+        }
+        else
+        {
+          // only keyframe animation
+          this->time += time * data->animation->fps;
+          if( this->time > 1.0f)
+          {
+            data->animationState.currentFrame = data->animationState.nextFrame;
+            data->animationState.nextFrame = next(data, data->animationState.nextFrame);
+            this->time = 0.0f;
+          }
+        }
+        break;
+
+      case MD3_ANIM_PREVIOUS:
+        if( data->bInterpolate)
+        {
+          data->animationState.interpolationFraction -= time / data->animation->fps;
+          if( data->animationState.interpolationFraction < 0.0f)
+          {
+            data->animationState.nextFrame = data->animationState.currentFrame;
+            data->animationState.currentFrame = prev(data, data->animationState.currentFrame);
+            data->animationState.interpolationFraction = 0.8f;
+          }
+        }
+        else
+        {
+          data->animationState.nextFrame = data->animationState.currentFrame;
+          data->animationState.currentFrame = prev(data, data->animationState.currentFrame);
+        }
+        break;
+
+      case MD3_ANIM_REWIND:
+        data->animationState.currentFrame = data->animation->first;
+        data->animationState.nextFrame = next(data, data->animationState.currentFrame);
+        data->animationState.interpolationFraction = 0.0f;
+        break;
+    }
+
+  }
+
+
 }

trunk/src/lib/graphics/importer/md3/md3_model.h

@@ -13 +13 @@
 
 
+#define FRACTION 0.34f
+
+
 namespace md3
 {
@@ -18 +21 @@
 
 class MD3Data;
+class MD3BoneFrame;
+class MD3Mesh;
+class MD3Tag;
+class MD3AnimationCfg;
+class MD3Animation;
+
+struct MD3Normal;
+
+
+typedef enum MD3FrameHandling {
+  MD3_ANIM_NEXT = 0,          //!< swith to the next frame
+  MD3_ANIM_PREVIOUS,          //!< swith to the previous frame
+  MD3_ANIM_REWIND             //!< rewind the animation
+};
+
 
 class MD3Model : public InteractiveModel
@@ -26 +44 @@
     ~MD3Model();
 
-    virtual void tick(float dt) {}
     virtual void setAnimation(int animNum, int playbackMode = 0) {}
+    virtual int getAnimation() { return 0;}
+
+    virtual void tick(float dt);
+    virtual void draw() const;
+
+
+  private:
+
+    void autoAssemblePlayerModel(std::string filename, float scaling);
+
+    void draw(MD3Data* data) const;
+    void tick(float dt, MD3Data* data);
+
+
+    void drawMesh(MD3Mesh* mesh, sVec3D* frame) const;
+    void drawVertexNormals(sVec3D* frame, MD3Normal* normals) const;
+    void drawBoneFrame(MD3BoneFrame* frame) const;
+
+
+    MD3BoneFrame* interpolateBoneFrame(MD3Data* data, MD3BoneFrame* currBoneFrame, MD3BoneFrame* nextBoneFrame, float frac);
+    sVec3D* interpolateMeshFrame(MD3Data* data, sVec3D* currMeshFrame, sVec3D* nextMeshFrame, float frac, MD3Mesh* mesh, int i);
+    MD3Normal* interpolateVertexNormals(MD3Data* data, MD3Normal* curNormals, MD3Normal* nextNormals, float frac, MD3Mesh* mesh, int i);
+    float* interpolateTransformation(MD3Data* data, MD3Tag* currFrameTag, MD3Tag* nextFrameTag, float frac, int i);
+
+
+    void interpolate(MD3Data* data, MD3Animation* anim, int op, bool bInterpolate);
+
+    void visit(MD3Data* data, float time);
+    int next(MD3Data* data, int nr);
+    int prev(MD3Data* data, int nr);
+    void doOp(MD3Data* data, float time);
+
 
   private:
     MD3Data*            md3Data;           //!< reference to the md3 model data
+
+    bool                bDrawBones;        //!< draws the bone frames too
+    bool                bDrawNormals;      //!< draw the normals
+
+    MD3AnimationCfg*    config;            //!< the config file parsed
+
+    float               time;
+
 };
+
 
 }