C++ (Cpp) isMapLoaded示例

示例#1

文件： Cache.cpp 项目： peclik/LK8000

short RasterMapCache::LookupTerrainCacheFile(const long &SeekPos) {
    // put new value in slot tcpmin

    __int16 NewAlt = 0;
    long SeekRes;
    short Alt;

    if(!isMapLoaded())
        return TERRAIN_INVALID;

    Lock();

    SeekRes = zzip_seek(fpTerrain, SeekPos, SEEK_SET);
    if(SeekRes != SeekPos) {
        // error, not found!
        Alt = TERRAIN_INVALID;
    } else {
        if (zzip_fread(&NewAlt, 1, sizeof(__int16), fpTerrain) != sizeof(__int16))
            Alt = TERRAIN_INVALID;
        else {
            // FIX HERE NETHERLAND
            Alt = max((short int)0,NewAlt);
        }
    }
    Unlock();

    return Alt;
}

示例#2

文件： RasterTerrain.cpp 项目： PhilColbert/LK8000

void RasterMap::SetFieldRounding(double xr, double yr) {
  if (!isMapLoaded()) {
    return;
  }

  Xrounding = iround(xr/TerrainInfo.StepSize);
  Yrounding = iround(yr/TerrainInfo.StepSize);
  if (Xrounding<1) {
    Xrounding = 1;
  }
  
  fXrounding = 1.0/(Xrounding*TerrainInfo.StepSize);
  fXroundingFine = fXrounding*256.0;
  if (Yrounding<1) {
    Yrounding = 1;
  }
  
  fYrounding = 1.0/(Yrounding*TerrainInfo.StepSize);
  fYroundingFine = fYrounding*256.0;

  if ((Xrounding==1)&&(Yrounding==1)) {
    DirectFine = true;
    xlleft = (int)(TerrainInfo.Left*fXroundingFine)+128;
    xlltop  = (int)(TerrainInfo.Top*fYroundingFine)-128;
  } else {
    DirectFine = false;
  }
}

示例#3

文件： RasterTerrain.cpp 项目： Acrobot/LK8000

float RasterMap::GetFieldStepSize() {
  if (!isMapLoaded()) {
    return 0;
  }
  // this is approximate of course..
  float fstepsize = (float)(250.0/0.0025*TerrainInfo.StepSize);
  return fstepsize;
}

示例#4

文件： RasterTerrain.cpp 项目： Acrobot/LK8000

bool RasterMap::GetMapCenter(double *lon, double *lat) {
  if(!isMapLoaded())
    return false;

  *lon = (TerrainInfo.Left + TerrainInfo.Right)/2;
  *lat = (TerrainInfo.Top + TerrainInfo.Bottom)/2;
  return true;
}

示例#5

文件： GameRadar.cpp 项目： dnjsflagh1/code

	//----------------------------------------------------------------------------
	void GameRadar::setContainerWidget( IImage* image )
	{
		if ( image && isInitialized() && isMapLoaded() )
		{
			image->setRenderTexture( mapName, mapGroup );
			image->setUVCoord(0,0,1.0,1.0);

			mContainerSize.x = (I32)image->getWidget()->getSize().x;
			mContainerSize.y = (I32)image->getWidget()->getSize().y;
		}
	}

示例#6

文件： RAW.cpp 项目： Acrobot/LK8000

void RasterMapRaw::SetFieldRounding(double xr, double yr) {
  RasterMap::SetFieldRounding(xr, yr);
  if (!isMapLoaded()) {
    return;
  }
  if ((Xrounding==1)&&(Yrounding==1)) {
    DirectFine = true;
    xlleft = (int)(TerrainInfo.Left*fXroundingFine)+128;
    xlltop  = (int)(TerrainInfo.Top*fYroundingFine)-128;
  } else {
    DirectFine = false;
  }
}

示例#7

文件： RasterTerrain.cpp 项目： Acrobot/LK8000

void RasterMap::SetFieldRounding(double xr, double yr) {
  if (!isMapLoaded()) {
    return;
  }

  Xrounding = iround(xr/TerrainInfo.StepSize);
  Yrounding = iround(yr/TerrainInfo.StepSize);

  if (Xrounding<1) {
    Xrounding = 1;
  } 
  fXrounding = 1.0/(Xrounding*TerrainInfo.StepSize);
  fXroundingFine = fXrounding*256.0;
  if (Yrounding<1) {
    Yrounding = 1;
  }
  fYrounding = 1.0/(Yrounding*TerrainInfo.StepSize);
  fYroundingFine = fYrounding*256.0;

  DirectFine = false;
}

示例#8

文件： RasterTerrain.cpp 项目： Acrobot/LK8000

// JMW rounding further reduces data as required to speed up terrain
// display on low zoom levels
short RasterMap::GetField(const double &Latitude, 
                          const double &Longitude)
{
  if(isMapLoaded()) {
    if (DirectFine) {
      return _GetFieldAtXY((int)(Longitude*fXroundingFine)-xlleft,
                           xlltop- (int)(Latitude*fYroundingFine));
    } else {
	#if (WINDOWSPC>0)
      unsigned int ix = 
        Real2Int((Longitude-TerrainInfo.Left)*fXrounding)*Xrounding;
      unsigned int iy = 
        Real2Int((TerrainInfo.Top-Latitude)*fYrounding)*Yrounding;
	#else
      unsigned int ix = ((int)((Longitude-TerrainInfo.Left)*fXrounding)) *Xrounding;
      unsigned int iy = ((int)((TerrainInfo.Top-Latitude)*fYrounding))*Yrounding;
	#endif
      
      return _GetFieldAtXY(ix<<8, iy<<8);
    }
  } else {
    return TERRAIN_INVALID;
  }
}