コード例 #1
0
void ExternalRenderer::drawBitmapBlock(TriStorageBlock& block,
                                       unsigned int pass,
                                       vec4x* triangleData,
                                       const MC2BoundingBox& box,
                                       OverlapDetector<MC2BoundingBox>& detector,
                                       TileMapContainer& tileMapCont,
                                       TileMapFormatDesc& formatDesc,
                                       bool skipOutlines)
{
   if(pass == 0) {
      return;
   }
   
   for(std::vector<TriSection>::iterator sectIt = block.primitives.begin();
       sectIt != block.primitives.end(); sectIt++){
      TriSection& section = *sectIt;
      TilePrimitiveFeature& feat = *section.src;


      const TileFeatureArg* arg = feat.getArg( TileArgNames::coord );
      const CoordArg* coordArg = static_cast<const CoordArg*>( arg );
      MC2Coordinate coord = coordArg->getCoord();
      
      if( box.contains( coord ) ) {
         const StringArg* bitMapName =
            static_cast<const StringArg*> (
               feat.getArg(TileArgNames::image_name) );
         
         if ( bitMapName == NULL ) {
            continue;
         }
         
         TextureBlock* texture = 
            static_cast<TextureBlock*>(
               m_impl->mapHandler->getOrRequestBitMap(
                  bitMapName->getValue() ) );
         
         if ( texture != NULL ) {
            MC2Point position;
            transform(position, coord);
            
            /**
             *   We subtract the anchor position, to position the texture
             *   on the anchor instead of the top left corner. */
            PixelBox overlapBox = texture->boundingBox;
            MC2Point topLeft = overlapBox.getTopLeft();
            MC2Point bottomRight = overlapBox.getBottomRight();
            
            overlapBox.set( topLeft, bottomRight );

            overlapBox.move(
               MC2Point( position.getX(), position.getY() ) );

            bool notOverlapping = true;

            notOverlapping = detector.addIfNotOverlapping( overlapBox );

            if (notOverlapping) {
               drawSprite( texture,
                           position,
                           0.0f,
                           texture->centerOffset,
                           1.0f, 1.0f);
               
               feat.setDrawn( true );
            }
         }
      }
   }
}