Module: rmodel.cpp

/*
 * RModel - model used for car components
 * 10-12-2000: Created!
 * NOTES:
 * (C) Dolphinity/RvG
 */

#include <racer/racer.h>
#include <qlib/debug.h>
#pragma hdrstop
#include <math.h>
#include <d3/geode.h>
#include <qlib/app.h>
DEBUG_ENABLE

// Default ambient lighting (otherwise its very dark)
#define DEF_AMBIENT_LIGHT 0.9f

RModel::RModel(RCar *_car)
{
  car=_car;
  geode=0;
}
RModel::~RModel()
{
  if(geode)delete geode;
}

bool RModel::Load(QInfo *info,cstring path)
// Read settings from 'info'
// 'path' indicates the original component path, i.e. 'body'
// Expects DOF models
{
  char buf[128],fname[256];
  int  i;

  // Mind the textures
  QCV->Select();
  
  // Model
  sprintf(buf,"%s.model.file",path);
  info->GetString(buf,fname);
//qdbg("RModel:Load; file '%s'\n",fname);
  if(fname[0])
  {
    rfloat scaleX,scaleY,scaleZ;
    QFile *f;
    
    geode=new DGeode(0);
    f=new QFile(RFindFile(fname,car->GetCarDir()));
    // Set path to find map files
//qdbg("  car dir=%s\n",car->GetCarDir());
    geode->SetMapPath(car->GetCarDir());
    if(!geode->ImportDOF(f))
    {
      qwarn("Can't import '%s'",fname);
      delete geode;
      geode=0;
      goto skip_geode;
    }
    // Use this geode as a part of a rendering tree
    geode->EnableCSG();

    // Light object
    for(i=0;i<geode->materials;i++)
    { geode->material[i]->ambient[0]=DEF_AMBIENT_LIGHT;
      geode->material[i]->ambient[1]=DEF_AMBIENT_LIGHT;
      geode->material[i]->ambient[2]=DEF_AMBIENT_LIGHT;
    }
    
    // Optional scaling
    sprintf(buf,"%s.model.scale.x",path);
    scaleX=info->GetFloat(buf,1.0);
    sprintf(buf,"%s.model.scale.y",path);
    scaleY=info->GetFloat(buf,1.0);
    sprintf(buf,"%s.model.scale.z",path);
    scaleZ=info->GetFloat(buf,1.0);
    if(scaleX!=1.0||scaleY!=1.0||scaleZ!=1.0)
    { geode->ScaleVertices(scaleX,scaleY,scaleZ);
    }
   skip_geode:
    if(f)delete f;
  }
  
  return TRUE;
}

/**********
* Attribs *
**********/
bool RModel::IsLoaded()
// Returns TRUE if model has been loaded
// If so, you may call Paint() to paint it
{
  if(geode)return TRUE;
  return FALSE;
}

/********
* Paint *
********/
void RModel::Paint()
// Paint the 3D model
{
  if(geode)
  {
    glPushMatrix();
    geode->Paint();
    glPopMatrix();
  }
}