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Ignore:
Timestamp:
May 24, 2005, 6:32:17 PM (19 years ago)
Author:
patrick
Message:

orxonox/trunk: some smaller changes, possible to define scale factor per model, rest of cleanup work finished

File:
1 edited

Legend:

Unmodified
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  • orxonox/trunk/src/lib/graphics/importer/md2Model.cc

    r4281 r4282  
    6868
    6969/********************************************************************************
    70  *   MD2Model2                                                                  *
     70 *   MD2Model                                                                   *
    7171 ********************************************************************************/
    7272
    7373MD2Model::MD2Model()
    7474{
    75   /*
     75  /* this creates the data container via ressource manager */
     76  this->data = new MD2Data();
     77  this->scaleFactor = this->data->scaleFactor;
     78
     79  this->setAnim(BOOM);
     80}
     81
     82
     83MD2Model::~MD2Model()
     84{
     85
     86}
     87
     88
     89bool MD2Model::loadModel(const char* fileName)
     90{
     91  return this->data->loadModel(fileName);
     92}
     93
     94
     95bool MD2Model::loadSkin(const char* fileName)
     96{
     97  return this->data->loadSkin(fileName);
     98}
     99
     100
     101/**
     102   \brief initializes an array of vert with the current frame scaled vertices
     103
     104   we won't use the pVertices array directly, since its much easier and we need
     105   saving of data anyway
     106*/
     107void MD2Model::interpolate(sVec3D* verticesList)
     108{
     109  sVec3D* currVec;
     110  sVec3D* nextVec;
     111
     112  currVec = &this->data->pVertices[this->data->numVertices * this->animationState.currentFrame];
     113  nextVec = &this->data->pVertices[this->data->numVertices * this->animationState.nextFrame];
     114
     115  for(int i = 0; i < this->data->numFrames; ++i)
     116    {
     117      verticesList[i][0] = (currVec[i][0] + this->animationState.interpolationState * (nextVec[i][0] - currVec[i][0])) * this->scaleFactor;
     118      verticesList[i][1] = (currVec[i][1] + this->animationState.interpolationState * (nextVec[i][1] - currVec[i][1])) * this->scaleFactor;
     119      verticesList[i][2] = (currVec[i][2] + this->animationState.interpolationState * (nextVec[i][2] - currVec[i][2])) * this->scaleFactor;
     120    }
     121}
     122
     123
     124void MD2Model::setAnim(int type)
     125{
     126  if( (type < 0) || (type > MAX_ANIMATIONS) )
     127    type = 0;
     128
     129  this->animationState.startFrame = animationList[type].firstFrame;
     130  this->animationState.endFrame = animationList[type].lastFrame;
     131  this->animationState.nextFrame = animationList[type].firstFrame + 1;
     132  this->animationState.fps = animationList[type].fps;
     133  this->animationState.type = type;
     134 
     135  this->animationState.interpolationState = 0.0;
     136  this->animationState.localTime = 0.0;
     137  this->animationState.lastTime = 0.0;
     138  this->animationState.currentFrame = animationList[type].firstFrame;
     139}
     140
     141
     142void MD2Model::tick(float time)
     143{
     144  this->animationState.localTime += time;
     145}
     146
     147
     148void MD2Model::draw()
     149{
     150  if( likely(this->animationState.localTime > 0.0))
     151    this->animate();
     152
     153  glPushMatrix();
     154
     155  this->renderFrame();
     156
     157  glPopMatrix();
     158}
     159
     160
     161void MD2Model::renderFrame()
     162{
     163  static sVec3D verticesList[MD2_MAX_VERTICES]; /* performance: created only once in a lifetime */
     164  int* pCommands = this->data->pGLCommands;
     165
     166  /* some face culling stuff */
     167  glPushAttrib(GL_POLYGON_BIT);
     168  glFrontFace(GL_CW);
     169  glEnable(GL_CULL_FACE);
     170  glCullFace(GL_BACK);
     171     
     172  this->processLighting();
     173  this->interpolate(verticesList);
     174  this->data->material->select();
     175
     176  /* draw the triangles */
     177  while( int i = *(pCommands++)) /* strange looking while loop for maximum performance */
     178    {
     179      if( i < 0)
     180        {
     181          glBegin(GL_TRIANGLE_FAN);
     182          i = -i;
     183        }
     184      else
     185        {
     186          glBegin(GL_TRIANGLE_STRIP);
     187        }
     188
     189      for(; i > 0; i--, pCommands += 3) /* down counting for loop, next 3 gl commands */
     190        {
     191          glNormal3fv(anorms[this->data->pLightNormals[pCommands[2]]]);
     192          glTexCoord2f( ((float *)pCommands)[0], 1.0-((float *)pCommands)[1] );
     193          glVertex3fv(verticesList[pCommands[2]]);
     194        }
     195      glEnd();
     196    }
     197  glDisable(GL_CULL_FACE);
     198  glPopAttrib();
     199}
     200
     201
     202void MD2Model::animate()
     203{
     204  if( this->animationState.localTime - this->animationState.lastTime > (1.0f / this->animationState.fps))
     205    {
     206      this->animationState.currentFrame = this->animationState.nextFrame;
     207      this->animationState.nextFrame++;
     208     
     209      if( this->animationState.nextFrame > this->animationState.endFrame)
     210        this->animationState.nextFrame = this->animationState.startFrame;
     211      this->animationState.lastTime = this->animationState.localTime;
     212    }
     213
     214  if( this->animationState.currentFrame > (this->data->numFrames - 1) )
     215    this->animationState.currentFrame = 0;
     216  if( this->animationState.nextFrame > (this->data->numFrames - 1) )
     217    this->animationState.nextFrame = 0;
     218
     219  this->animationState.interpolationState = this->animationState.fps *
     220    (this->animationState.localTime - this->animationState.lastTime);
     221}
     222
     223
     224/* hhmmm... id used a very different way to do lightning... */
     225void MD2Model::processLighting()
     226{
     227  shadeDots = anormsDots[((int)(md2Angle*(SHADEDOT_QUANT / 360.0)))&(SHADEDOT_QUANT - 1)];
     228}
     229
     230
     231void MD2Model::debug()
     232{
     233  PRINT(0)("\n==========================| MD2Model::debug() |===\n");
     234  PRINT(0)("=  Model FileName:\t%s\n", this->data->fileName);
     235  PRINT(0)("=  Skin FileName:\t%s\n", this->data->skinFileName);
     236  PRINT(0)("=  Size in Memory:\t%i Bytes\n", this->data->header->frameSize * this->data->header->numFrames + 64); // 64bytes is the header size
     237  PRINT(0)("=  Number of Vertices:\t%i\n", this->data->header->numVertices);
     238  PRINT(0)("=  Number of Frames: \t%i\n", this->data->header->numFrames);
     239  PRINT(0)("=  Height, Width:\t%i, %i\n", this->data->header->skinHeight, this->data->header->skinWidth);
     240  PRINT(0)("===================================================\n\n");
     241}
     242
     243
     244/********************************************************************************
     245 *   MD2Data                                                                    *
     246 ********************************************************************************/
     247
     248
     249MD2Data::MD2Data()
     250{
    76251  this->pVertices = NULL;
    77252  this->pGLCommands = NULL;
    … …  
    83258 
    84259  this->scaleFactor = 1.0f;
    85   */
    86 
    87   /* this creates the data container via ressource manager */
    88   this->data = new MD2Data();
    89 
    90   this->setAnim(BOOM);
    91 }
    92 
    93 
    94 MD2Model::~MD2Model()
    95 {
    96   /*
     260}
     261
     262
     263MD2Data::~MD2Data()
     264{
    97265  delete [] this->pVertices;
    98266  delete [] this->pGLCommands;
    99267  delete [] this->pLightNormals;
    100   */
    101 }
    102 
    103 
    104 
    105 bool MD2Model::loadModel(const char* fileName)
    106 {
    107   return this->data->loadModel(fileName);
    108  
    109 
     268}
     269
     270
     271
     272bool MD2Data::loadModel(const char* fileName)
     273{
    110274  FILE *pFile;                            //file stream
    111275  char* buffer;                           //buffer for frame data
    … …  
    171335
    172336
    173 bool MD2Model::loadSkin(const char* fileName)
    174 {
    175   return this->data->loadSkin(fileName);
    176 
     337bool MD2Data::loadSkin(const char* fileName)
     338{
    177339  this->skinFileName = new char[strlen(fileName)+1];
    178340  strcpy(this->skinFileName, fileName);
     341
    179342  this->material = new Material("md2ModelTest");
    180343  this->material->setDiffuseMap(fileName);
    … …  
    182345  this->material->setAmbient(1.0, 1.0, 1.0);
    183346}
    184 
    185 
    186 /**
    187    \brief initializes an array of vert with the current frame scaled vertices
    188 
    189    we won't use the pVertices array directly, since its much easier and we need
    190    saving of data anyway
    191 */
    192 void MD2Model::interpolate(sVec3D* verticesList)
    193 {
    194   sVec3D* currVec;
    195   sVec3D* nextVec;
    196 
    197   currVec = &this->data->pVertices[this->data->numVertices * this->animationState.currentFrame];
    198   nextVec = &this->data->pVertices[this->data->numVertices * this->animationState.nextFrame];
    199 
    200   for(int i = 0; i < this->data->numFrames; ++i)
    201     {
    202       verticesList[i][0] = (currVec[i][0] + this->animationState.interpolationState * (nextVec[i][0] - currVec[i][0])) * this->data->scaleFactor;
    203       verticesList[i][1] = (currVec[i][1] + this->animationState.interpolationState * (nextVec[i][1] - currVec[i][1])) * this->data->scaleFactor;
    204       verticesList[i][2] = (currVec[i][2] + this->animationState.interpolationState * (nextVec[i][2] - currVec[i][2])) * this->data->scaleFactor;
    205     }
    206 }
    207 
    208 
    209 void MD2Model::setAnim(int type)
    210 {
    211   if( (type < 0) || (type > MAX_ANIMATIONS) )
    212     type = 0;
    213 
    214   this->animationState.startFrame = animationList[type].firstFrame;
    215   this->animationState.endFrame = animationList[type].lastFrame;
    216   this->animationState.nextFrame = animationList[type].firstFrame + 1;
    217   this->animationState.fps = animationList[type].fps;
    218   this->animationState.type = type;
    219  
    220   this->animationState.interpolationState = 0.0;
    221   this->animationState.localTime = 0.0;
    222   this->animationState.lastTime = 0.0;
    223   this->animationState.currentFrame = animationList[type].firstFrame;
    224 }
    225 
    226 
    227 void MD2Model::tick(float time)
    228 {
    229   this->animationState.localTime += time;
    230 }
    231 
    232 
    233 void MD2Model::draw()
    234 {
    235   if( likely(this->animationState.localTime > 0.0))
    236     this->animate();
    237 
    238   glPushMatrix();
    239 
    240   this->renderFrame();
    241 
    242   glPopMatrix();
    243 }
    244 
    245 
    246 void MD2Model::renderFrame()
    247 {
    248   static sVec3D verticesList[MD2_MAX_VERTICES]; /* performance: created only once in a lifetime */
    249   int* pCommands = this->data->pGLCommands;
    250 
    251   /* some face culling stuff */
    252   glPushAttrib(GL_POLYGON_BIT);
    253   glFrontFace(GL_CW);
    254   glEnable(GL_CULL_FACE);
    255   glCullFace(GL_BACK);
    256      
    257   this->processLighting();
    258   this->interpolate(verticesList);
    259   this->data->material->select();
    260 
    261   /* draw the triangles */
    262   while( int i = *(pCommands++)) /* strange looking while loop for maximum performance */
    263     {
    264       if( i < 0)
    265         {
    266           glBegin(GL_TRIANGLE_FAN);
    267           i = -i;
    268         }
    269       else
    270         {
    271           glBegin(GL_TRIANGLE_STRIP);
    272         }
    273 
    274       for(; i > 0; i--, pCommands += 3) /* down counting for loop, next 3 gl commands */
    275         {
    276           glNormal3fv(anorms[this->data->pLightNormals[pCommands[2]]]);
    277           glTexCoord2f( ((float *)pCommands)[0], 1.0-((float *)pCommands)[1] );
    278           glVertex3fv(verticesList[pCommands[2]]);
    279         }
    280       glEnd();
    281     }
    282   glDisable(GL_CULL_FACE);
    283   glPopAttrib();
    284 }
    285 
    286 
    287 void MD2Model::animate()
    288 {
    289   if( this->animationState.localTime - this->animationState.lastTime > (1.0f / this->animationState.fps))
    290     {
    291       this->animationState.currentFrame = this->animationState.nextFrame;
    292       this->animationState.nextFrame++;
    293      
    294       if( this->animationState.nextFrame > this->animationState.endFrame)
    295         this->animationState.nextFrame = this->animationState.startFrame;
    296       this->animationState.lastTime = this->animationState.localTime;
    297     }
    298 
    299   if( this->animationState.currentFrame > (this->data->numFrames - 1) )
    300     this->animationState.currentFrame = 0;
    301   if( this->animationState.nextFrame > (this->data->numFrames - 1) )
    302     this->animationState.nextFrame = 0;
    303 
    304   this->animationState.interpolationState = this->animationState.fps *
    305     (this->animationState.localTime - this->animationState.lastTime);
    306 }
    307 
    308 
    309 /* hhmmm... id used a very different way to do lightning... */
    310 void MD2Model::processLighting()
    311 {
    312   shadeDots = anormsDots[((int)(md2Angle*(SHADEDOT_QUANT / 360.0)))&(SHADEDOT_QUANT - 1)];
    313 }
    314 
    315 
    316 void MD2Model::debug()
    317 {
    318   PRINT(0)("==========================| MD2Model::debug() |===\n");
    319   PRINT(0)("=  Model FileName:\t%s\n", this->data->fileName);
    320   PRINT(0)("=  Skin FileName:\t%s\n", this->data->skinFileName);
    321   PRINT(0)("=  Size in Memory:\t%i Bytes\n", this->data->header->frameSize * this->data->header->numFrames + 64); // 64bytes is the header size
    322   PRINT(0)("=  Number of Vertices:\t%i\n", this->data->header->numVertices);
    323   PRINT(0)("=  Number of Frames: \t%i\n", this->data->header->numFrames);
    324   PRINT(0)("=  Height, Width\t\t%i, %i\n", this->data->header->skinHeight, this->data->header->skinWidth);
    325   PRINT(0)("===================================================\n\n");
    326 }
    327 
    328 
    329 
    330 
    331 
    332 MD2Data::MD2Data()
    333 {
    334   this->pVertices = NULL;
    335   this->pGLCommands = NULL;
    336   this->pLightNormals = NULL;
    337 
    338   this->numFrames = 0;
    339   this->numVertices = 0;
    340   this->numGLCommands = 0;
    341  
    342   this->scaleFactor = 1.0f;
    343 }
    344 
    345 
    346 MD2Data::~MD2Data()
    347 {
    348   delete [] this->pVertices;
    349   delete [] this->pGLCommands;
    350   delete [] this->pLightNormals;
    351 }
    352 
    353 
    354 
    355 bool MD2Data::loadModel(const char* fileName)
    356 {
    357   FILE *pFile;                            //file stream
    358   char* buffer;                           //buffer for frame data
    359   sFrame* frame;                          //temp frame
    360   sVec3D *pVertex;
    361   int* pNormals;
    362 
    363   pFile = fopen(fileName, "rb");
    364   if( unlikely(!pFile))
    365     {
    366       PRINTF(1)("Couldn't open the MD2 File for loading. Exiting.\n");
    367       return false;
    368     }
    369   this->header = new MD2Header;
    370   fread(this->header, 1, sizeof(MD2Header), pFile);
    371   /* check for the header version: make sure its a md2 file :) */
    372   if( unlikely(this->header->version != MD2_VERSION) && unlikely(this->header->ident != MD2_IDENT))
    373     {
    374       PRINTF(1)("Couldn't load file %s: invalid file format: stop loading\n", fileName);
    375       return false;
    376     }
    377 
    378   this->fileName = new char[strlen(fileName)+1];
    379   strcpy(this->fileName, fileName);
    380   /* got the data: map it to locals */
    381   this->numFrames = this->header->numFrames;
    382   this->numVertices = this->header->numVertices;
    383   this->numTriangles = this->header->numTriangles;
    384   this->numGLCommands = this->header->numGlCommands;
    385   /* allocate memory for the data storage */
    386   this->pVertices = new sVec3D[this->numVertices * this->numFrames];
    387   this->pGLCommands = new int[this->numGLCommands];
    388   this->pLightNormals = new int[this->numVertices * this->numFrames];
    389   buffer = new char[this->numFrames * this->header->frameSize];
    390 
    391   /* read frame data from the file to a temp buffer */
    392   fseek(pFile, this->header->offsetFrames, SEEK_SET);
    393   fread(buffer, this->header->frameSize, this->numFrames, pFile);
    394   /* read opengl commands */
    395   fseek(pFile, this->header->offsetGlCommands, SEEK_SET);
    396   fread(this->pGLCommands, sizeof(int), this->numGLCommands, pFile);
    397 
    398   for(int i = 0; i < this->numFrames; ++i)
    399     {
    400       frame = (sFrame*)(buffer + this->header->frameSize * i);
    401       pVertex = this->pVertices + this->numVertices  * i;
    402       pNormals = this->pLightNormals + this->numVertices * i;
    403 
    404       for(int j = 0; j < this->numVertices; ++j)
    405         {
    406           /* SPEEDUP: *(pVerts + i + 0) = (*(frame->pVertices + i + 0)...  */
    407           pVertex[j][0] = (frame->pVertices[j].v[0] * frame->scale[0]) + frame->translate[0];
    408           pVertex[j][1] = (frame->pVertices[j].v[2] * frame->scale[2]) + frame->translate[2];
    409           pVertex[j][2] = -1.0 * (frame->pVertices[j].v[1] * frame->scale[1] + frame->translate[1]);
    410          
    411           pNormals[j] = frame->pVertices[j].lightNormalIndex;
    412         }
    413     }
    414 
    415   delete [] buffer;
    416   fclose(pFile);
    417 }
    418 
    419 
    420 bool MD2Data::loadSkin(const char* fileName)
    421 {
    422   this->skinFileName = new char[strlen(fileName)+1];
    423   strcpy(this->skinFileName, fileName);
    424 
    425   this->material = new Material("md2ModelTest");
    426   this->material->setDiffuseMap(fileName);
    427   this->material->setIllum(3);
    428   this->material->setAmbient(1.0, 1.0, 1.0);
    429 }
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