buildingtype.cpp

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/***************************************************************************
                          buildingtype.cpp  -  description
                             -------------------
    begin                : Fri Sep 29 2000
    copyright            : (C) 1994-2003 by Martin Bickel
    email                : bickel@asc-hq.org
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <algorithm>

#include "vehicletype.h"
#include "buildingtype.h"
#include "graphicset.h"
#include "gameoptions.h"
#include "textfiletags.h"
#include "stringtokenizer.h"
#include "textfile_evaluation.h"
#include "graphics/surface.h"

#include "errors.h"
#include "sgstream.h"
#include "graphics/blitter.h"
#include "graphics/ColorTransform_PlayerColor.h"


/*
const char*  cbuildingfunctions[cbuildingfunctionnum+1]  =
              { "HQ",
                "training",
                "unused (was: refinery)",
                "vehicle production",
                "ammunition production",
                "unused (was: energy prod)",
                "unused (was: material prod)",
                "unused (was: fuel prod)",
                "repair facility",
                "recycling",
                "research",
                "sonar",
                "wind power plant",
                "solar power plant",
                "matter converter (was: power plant)",
                "mining station",
                "external resource transfer",
                "construct units that cannot move out",
                "resource sink",
                "external resource transfer",
                "external ammo transfer",
                "no object chaining",
                "self destruct on conquer",
                "view satellites",
                NULL };
*/

BuildingType :: BuildingType ( void )
{
   for ( int x = 0; x < 4; x++ )
      for ( int y = 0; y < 6; y++ ) {
         field_Exists[x][y] = false;
         for ( int w = 0; w < cwettertypennum; ++w )
            for ( int c = 0; c < maxbuildingpicnum; ++c )
                bi_picture[w][c][x][y] = -1;
      }

   buildingNotRemovable = false;
   
   static const float matrix[] = { 1, 0, 0,
                                   0, 1, 0,
                                   0, 0, 1 };
   
   productionEfficiency = ResourceMatrix( matrix );
   
}


int BuildingType :: getMemoryFootprint() const
{
   int size = sizeof(*this);
   
   for ( int i = 0; i < cwettertypennum; ++i )
      for ( int j = 0; j < maxbuildingpicnum; ++j )
         for ( int k = 0; k < 4; ++k )
            for ( int l = 0; l < 6; ++l )
               size += w_picture[i][j][k][l].getMemoryFootprint() - sizeof( Surface ); 
   return size;
}


int   BuildingType :: getBIPicture( const LocalCoordinate& localCoordinate, int weather , int constructionStep ) const
{
   return bi_picture [weather][constructionStep][localCoordinate.x][localCoordinate.y];
}
        

const Surface&   BuildingType :: getPicture ( const LocalCoordinate& localCoordinate, int weather, int constructionStep ) const
{
   if( constructionStep >= construction_steps )
     constructionStep = construction_steps-1;
     
   if ( !weatherBits.test(weather))
      weather = 0;
     
   if ( bi_picture [weather][constructionStep][localCoordinate.x][localCoordinate.y] <= 0 ) 
      return w_picture[weather][constructionStep][localCoordinate.x][localCoordinate.y];
   else 
      return GraphicSetManager::Instance().getPic(bi_picture [weather][constructionStep][localCoordinate.x][localCoordinate.y]);
   
}

void  BuildingType::paint ( Surface& s, SPoint pos, const PlayerColor& player, int weather, int constructionStep ) const
{
   for ( int x = 0; x < 4; x++ )
      for ( int y = 0; y < 6; y++ ) 
         if ( fieldExists(LocalCoordinate(x,y) ))
            paintSingleField(s,pos,LocalCoordinate(x,y),player,weather,constructionStep);
     
}

void  BuildingType::paint ( Surface& s, SPoint pos  ) const
{
   for ( int x = 0; x < 4; x++ )
      for ( int y = 0; y < 6; y++ ) 
         if ( fieldExists(LocalCoordinate(x,y) ))
            paintSingleField(s,pos,LocalCoordinate(x,y));
     
}


void  BuildingType:: paintSingleField ( Surface& s, SPoint pos, const LocalCoordinate& localCoordinate, const PlayerColor& player, int weather, int constructionStep ) const
{
   megaBlitter<ColorTransform_PlayerCol,
               ColorMerger_AlphaOverwrite,
               SourcePixelSelector_Plain,
               TargetPixelSelector_All>
            ( getPicture(localCoordinate,weather,constructionStep), 
               s, 
               SPoint( pos.x + localCoordinate.x * fielddistx + ( localCoordinate.y & 1 ) * fielddisthalfx, pos.y + localCoordinate.y * fielddisty), 
               player, 
               nullParam, nullParam, nullParam );
   
   // s.Blit( getPicture(localCoordinate,weather,constructionStep),SPoint( pos.x + localCoordinate.x * fielddistx + ( localCoordinate.y & 1 ) * fielddisthalfx, pos.y + localCoordinate.y * fielddisty));
}

void  BuildingType:: paintSingleField ( Surface& s, SPoint pos, const LocalCoordinate& localCoordinate, int weather, int constructionStep ) const
{
   megaBlitter<ColorTransform_None,
               ColorMerger_AlphaOverwrite,
               SourcePixelSelector_Plain,
               TargetPixelSelector_All>
            ( getPicture(localCoordinate,weather,constructionStep), 
               s, 
               SPoint( pos.x + localCoordinate.x * fielddistx + ( localCoordinate.y & 1 ) * fielddisthalfx, pos.y + localCoordinate.y * fielddisty), 
               nullParam, nullParam, nullParam, nullParam );
   
   // s.Blit( getPicture(localCoordinate,weather,constructionStep),SPoint( pos.x + localCoordinate.x * fielddistx + ( localCoordinate.y & 1 ) * fielddisthalfx, pos.y + localCoordinate.y * fielddisty));
}



MapCoordinate  BuildingType :: getFieldCoordinate ( const MapCoordinate& entryOnMap, const LocalCoordinate& localCoordinates ) const
{
   int orgx = entryOnMap.x - entry.x - (entry.y & ~entryOnMap.y & 1 );
   int orgy = entryOnMap.y - entry.y;

   int dx = orgy & 1;

   int yy = orgy + localCoordinates.y;
   int xx = orgx + localCoordinates.x + (dx & ~yy);
   MapCoordinate mc ( xx, yy );
   return mc;
}

BuildingType::LocalCoordinate BuildingType::getLocalCoordinate( const MapCoordinate& entryOnMap, const MapCoordinate& field ) const
{
   int homex = entryOnMap.x - entry.x;
   int homey = entryOnMap.y - entry.y;

   if ( (entry.y & 1) && !(entryOnMap.y & 1))
      homex -= 1;
      

   int ly = field.y - homey;
   int lx = field.x - homex;
   if ( (ly & 1) && (homey & 1 ))
      lx -= 1;
   
   if ( lx >= 0 && lx < 4 && ly >= 0 && ly < 6 && fieldExists(LocalCoordinate(lx,ly)))
      return LocalCoordinate(lx,ly);
   else
      return LocalCoordinate();  
}



const int building_version = 12;


void BuildingType :: read ( tnstream& stream )
{
   int version = stream.readInt();
   if ( version <= building_version && version >= 1) {

      bool picsAvail[ cwettertypennum ][ maxbuildingpicnum ][4][6];
   
      for ( int v = 0; v < cwettertypennum; v++ )
         for ( int w = 0; w < maxbuildingpicnum; w++ )
            for ( int x = 0; x < 4; x++ )
               for ( int y = 0; y < 6 ; y++ ) {
                   picsAvail[v][w][x][y] = stream.readInt( );
                   if ( picsAvail[v][w][x][y] ) {
                      field_Exists[x][y] = true;
                      weatherBits.set(v);
                   }   
               }    
                   

      for ( int v = 0; v < cwettertypennum; v++ )
         for ( int w = 0; w < maxbuildingpicnum; w++ )
            for ( int x = 0; x < 4; x++ )
               for ( int y = 0; y < 6 ; y++ ) {
                   int i = stream.readInt( );
                   bi_picture[v][w][x][y] = i;
                   if ( i > 0 ) {
                      field_Exists[x][y] = true;
                      weatherBits.set(v);
                   }   
               }  

                   /*
      if ( version >= 9 ) 
         for ( int x = 0; x < 4; x++ )
            for ( int y = 0; y < 6 ; y++ )
               field_Exists[x][y] = stream.readInt( );
         */
  
     //@todo foobar
     
      
                   
      entry.x = stream.readInt( );
      entry.y = stream.readInt( );

      stream.readInt( ); // was: powerlineconnect.x
      stream.readInt( ); // was: powerlineconnect.y
      stream.readInt( ); // was: pipelineconnect.x
      stream.readInt( ); // was: pipelineconnect.y

      id = stream.readInt( );
      bool __loadName = stream.readInt( );
      _armor = stream.readInt( );
      jamming = stream.readInt( );
      view = stream.readInt( );
      stream.readInt( ); // was: loadcapacity
      stream.readChar( ); // was: loadcapability =
      stream.readChar( ); // was: unitheightreq =
      productionCost.material = stream.readInt( );
      productionCost.fuel = stream.readInt( );
      if ( version <= 9 ) {
         int special = stream.readInt( );
         convertOldFunctions( special, stream.getLocation() );
      }

      technologylevel = stream.readChar( );
      researchid = stream.readChar( );

      terrainaccess.read ( stream );

      construction_steps = stream.readInt( );
      maxresearchpoints = stream.readInt( );
      asc_mode_tank.energy = stream.readInt( );
      asc_mode_tank.material = stream.readInt( );
      asc_mode_tank.fuel = stream.readInt( );
      maxplus.energy = stream.readInt( );
      maxplus.material = stream.readInt( );
      maxplus.fuel = stream.readInt( );
      efficiencyfuel = stream.readInt( );
      efficiencymaterial = stream.readInt( );
      stream.readInt( ); // guibuildicon
      stream.readInt( ); // terrain_access = (TerrainAccess*)
 
      bi_mode_tank.energy = stream.readInt( );
      bi_mode_tank.material = stream.readInt( );
      bi_mode_tank.fuel = stream.readInt( );

      if ( version >= 5 ) {
         defaultProduction.energy = stream.readInt( );
         defaultProduction.material = stream.readInt( );
         defaultProduction.fuel = stream.readInt( );
      }


      buildingheight = 1 << log2 ( stream.readInt() );
      stream.readInt( ); // was: unitheight_forbidden =
      externalloadheight = stream.readInt( );

      if ( version >= 3)
         stream.readInt(); // was: vehicleCategoriesLoadable =


      if ( version >= 2 ) {
         if ( version <= 11 ) {
            for ( int x = 0; x < 4; x++ )
               for ( int y = 0; y < 6; y++ ) {
                  int id = stream.readInt();
                  if ( id > 0 )
                     destructionObjects.insert( make_pair(LocalCoordinate(x,y), id));
               }
         }
      } else {
         for ( int w = 0; w < 9; w++ )
             stream.readInt( ); 
         destructionObjects.clear();
      }

      if ( __loadName )
         name = stream.readString();

      for ( int k = 0; k < maxbuildingpicnum ; k++)
         for ( int j = 0; j <= 5; j++)
            for ( int i = 0; i <= 3; i++)
               for ( int w = 0; w < cwettertypennum; w++ )
                 if ( picsAvail[w][k][i][j] ) 
                    if ( bi_picture[w][k][i][j] == -1 ) 
                       w_picture[w][k][i][j].read(stream );
                 


      if ( version >= 4 )
         ContainerBaseType::read ( stream );

      if ( version >= 6 )
         nominalresearchpoints = stream.readInt();

      if ( version >= 7 ) {
         techDependency.read( stream );
         defaultMaxResearchpoints = stream.readInt();
      }

      if ( version >= 8 )
         infotext = stream.readString();

      if ( version >= 11 )
         buildingNotRemovable = stream.readInt();
      
      if ( version >= 12 ) {
         int num = stream.readInt();
         for ( int i = 0; i < num; ++i ) {
            int x = stream.readInt();
            int y = stream.readInt();
            int id = stream.readInt();
            destructionObjects.insert( make_pair( LocalCoordinate(x,y),id));
         }
      }
      
   } else
      throw tinvalidversion  ( stream.getLocation(), building_version, version );
}

void BuildingType :: write ( tnstream& stream ) const
{
   stream.writeInt ( building_version );

   for ( int v = 0; v < cwettertypennum; v++ )
      for ( int w = 0; w < maxbuildingpicnum; w++ )
         for ( int x = 0; x < 4; x++ )
            for ( int y = 0; y < 6 ; y++ ) {
                stream.writeInt ( w_picture[v][w][x][y].valid() );
            }

   for ( int v = 0; v < cwettertypennum; v++ )
      for ( int w = 0; w < maxbuildingpicnum; w++ )
         for ( int x = 0; x < 4; x++ )
            for ( int y = 0; y < 6 ; y++ )
                stream.writeInt ( bi_picture[v][w][x][y] );

           /*     
   for ( int x = 0; x < 4; x++ )
      for ( int y = 0; y < 6 ; y++ )
         stream.writeInt( field_Exists[x][y] );
         */
                
                
   stream.writeInt ( entry.x );
   stream.writeInt ( entry.y );
   stream.writeInt ( -1 ); // was powerlineconnect.x
   stream.writeInt ( -1 ); // was powerlineconnect.y
   stream.writeInt ( -1 ); // was pipelineconnect.x
   stream.writeInt ( -1 ); // was pipelineconnect.y

   stream.writeInt ( id );
   stream.writeInt ( !name.empty() );
   stream.writeInt ( _armor );
   stream.writeInt ( jamming );
   stream.writeInt ( view );
   stream.writeInt ( 0 );
   stream.writeChar ( 0);
   stream.writeChar ( 0 );
   stream.writeInt ( productionCost.material );
   stream.writeInt ( productionCost.fuel );
   stream.writeChar ( technologylevel );
   stream.writeChar ( researchid );

   terrainaccess.write ( stream );

   stream.writeInt ( construction_steps );
   stream.writeInt ( maxresearchpoints );
   stream.writeInt ( asc_mode_tank.energy );
   stream.writeInt ( asc_mode_tank.material );
   stream.writeInt ( asc_mode_tank.fuel );
   
   stream.writeInt ( maxplus.energy );
   stream.writeInt ( maxplus.material );
   stream.writeInt ( maxplus.fuel );
   stream.writeInt ( efficiencyfuel );
   stream.writeInt ( efficiencymaterial );
   stream.writeInt ( 1 ); // guibuildicon
   stream.writeInt ( 1 );

   stream.writeInt ( bi_mode_tank.energy );
   stream.writeInt ( bi_mode_tank.material );
   stream.writeInt ( bi_mode_tank.fuel );

   stream.writeInt ( defaultProduction.energy );
   stream.writeInt ( defaultProduction.material );
   stream.writeInt ( defaultProduction.fuel );

   stream.writeInt ( buildingheight );
   stream.writeInt ( 0 );
   stream.writeInt ( externalloadheight );

   stream.writeInt ( 0 );

   if ( !name.empty() )
      stream.writeString ( name );

    for (int k = 0; k < maxbuildingpicnum; k++)
       for (int j = 0; j <= 5; j++)
          for (int i = 0; i <= 3; i++)
             for ( int w = 0; w < cwettertypennum; w++ )
                if ( w_picture[w][k][i][j].valid() )
                   if ( bi_picture[w][k][i][j] == -1 )
                      w_picture[w][k][i][j].write(stream);

    ContainerBaseType::write ( stream );

    stream.writeInt( nominalresearchpoints );

    techDependency.write ( stream );
    stream.writeInt( defaultMaxResearchpoints );

    stream.writeString ( infotext );
    stream.writeInt( buildingNotRemovable );
    
    stream.writeInt( destructionObjects.size());
    for ( DestructionObjects::const_iterator i = destructionObjects.begin(); i != destructionObjects.end(); ++i) {
       stream.writeInt( i->first.x);
       stream.writeInt( i->first.y);
       stream.writeInt( i->second);
    }
    
}


ASCString BuildingType :: LocalCoordinate :: toString ( ) const
{
  ASCString s;
  s += 'A'+x;
  s += '1'+y;
  return s;
}

class InvalidString : public ASCexception {};

BuildingType :: LocalCoordinate :: LocalCoordinate ( const ASCString& s )
{
  ASCString s2 = s;
  s2.toUpper();
  if ( s2.length() < 2 ) {
     x = -1;
     y = -1;
     throw InvalidString();
  } else {
     x = s2[0] - 'A';
     y = s2[1] - '1';
     if ( x < 0 || x > 5 || y < 0 || y > 7 )
        throw InvalidString();
  }
}


void BuildingType :: runTextIO ( PropertyContainer& pc )
{
   try {

      pc.addBreakpoint();
   
      ContainerBaseType::runTextIO ( pc );
   
      pc.addInteger ( "ConstructionStages", construction_steps );

      for ( int i = 0; i < cwettertypennum; i++ )
         for ( int x = 0; x < 4; x++ )
            for ( int y = 0; y < 6; y++ )
               if ( w_picture[i][0][x][y].valid() )
                  weatherBits.set(i);

      pc.addTagArray( "Weather", weatherBits, cwettertypennum, weatherTags );


      ASCString fieldNames;
      for ( int a = 0; a < 4; a++ )
         for ( int b = 0; b < 6; b++ )
            if ( w_picture[0][0][a][b].valid() ) {
               fieldNames += LocalCoordinate( a, b).toString();
               fieldNames += " ";
            }

      pc.addString( "Fields", fieldNames );

      typedef vector<LocalCoordinate> Fields;
      Fields fields;
      StringTokenizer st ( fieldNames );
      ASCString t = st.getNextToken();
      while ( !t.empty() ) {
         LocalCoordinate lc ( t );
         fields.push_back ( lc );
         t = st.getNextToken();
         field_Exists[lc.x][lc.y] = true;
      }



            
      bool bi3pics = false;

      for ( int i = 0; i < 4; i++ )
         for ( int j = 0; j < 6; j++ )
            if ( bi_picture[0][0][i][j] >= 0 )
               bi3pics = true;

      pc.addBool  ( "UseGFXpics", bi3pics );

      if ( bi3pics ) {
         pc.openBracket ( "GFXpictures");
         for ( int w = 0; w < cwettertypennum; w++ )
            if ( weatherBits.test(w) ) {
               pc.openBracket (weatherTags[w] );

               for ( int c = 0; c < construction_steps; c++ ) {
                  pc.openBracket ( ASCString("Stage")+strrr(c+1) );

                  for ( Fields::iterator i = fields.begin(); i != fields.end(); i++ ) 
                     pc.addInteger ( i->toString(), bi_picture[w][c][i->x][i->y] );
                  

                  pc.closeBracket();
               }
               pc.closeBracket();
               
            }
         pc.closeBracket();
      } else {
         pc.openBracket ( "Pictures");
         if ( !pc.isReading() ) {
            for ( int w = 0; w < cwettertypennum; w++ )
               if ( weatherBits.test(w) ) {
                  Surface s = Surface::createSurface( construction_steps*500, 250, 32, 0 );
                  for ( int c = 0; c < construction_steps; c++ )
                     for ( int x = 0; x < 4; x++ )
                        for ( int y = 0; y < 6; y++ )
                           if ( w_picture[w][c][x][y].valid() )
                              megaBlitter<ColorTransform_None,
                                          ColorMerger_AlphaOverwrite,
                                          SourcePixelSelector_Plain,
                                          TargetPixelSelector_All>
                                       ( w_picture[w][c][x][y], 
                                          s,
                                          SPoint( 500*c + x * fielddistx + (y&1)*fielddisthalfx, y * fielddisty), 
                                          nullParam, nullParam, nullParam, nullParam );
                  pc.addImage ( weatherTags[w], s, extractFileName_withoutSuffix ( filename )+weatherAbbrev[w]+".png", false  );
               }
         } else {
            for ( int w = 0; w < cwettertypennum; w++ )
               if ( weatherBits.test(w) ) {
                  ASCString fileName = extractFileName_withoutSuffix ( filename )+weatherAbbrev[w]+".png";
                  Surface s;
                  pc.addImage ( weatherTags[w], s, fileName, false );

//                  if ( s.GetPixelFormat().BitsPerPixel() != 8 )
                     //fatalError("Building image " + filename + " does not have 8 Bit color depth!");
            
                  int depth = s.GetPixelFormat().BitsPerPixel();
                  for ( int c = 0; c < construction_steps; c++ )
                     for ( Fields::iterator i = fields.begin(); i != fields.end(); i++ ) {
                        Surface& img = w_picture[w][c][i->x][i->y];
                        img = Surface::createSurface(fieldsizex,fieldsizey,depth);
                        int xx = 500*c + i->x * fielddistx + (i->y&1)*fielddisthalfx;
                        int yy = i->y * fielddisty;
                        if ( depth == 8 ) {
                           img.Blit( s, SDLmm::SRect(SPoint(xx,yy),fieldsizex,fieldsizey), SPoint(0,0));
                           applyFieldMask(img);
                        } else {
                           MegaBlitter<4,4,ColorTransform_None,ColorMerger_PlainOverwrite,SourcePixelSelector_Rectangle> blitter;
                           blitter.setSrcRectangle( SDLmm::SRect(SPoint(xx,yy),fieldsizex,fieldsizey) );
                           blitter.blit( s, img, SPoint(0,0) );
                           applyFieldMask(img,0,0,false);
                        }
                     }

               }

         }
         pc.closeBracket();
      }

      bool rubble = destructionObjects.size() > 0;
      pc.addBool ( "RubbleObjects", rubble );
      if ( rubble ) {
         if ( pc.isReading() ) 
            destructionObjects.clear();
         
         pc.openBracket ( "Rubble");
         for ( Fields::iterator i = fields.begin(); i != fields.end(); i++ ) {
            vector<int> ids;
            typedef DestructionObjects::const_iterator J;
            pair<J,J> b = destructionObjects.equal_range(*i);
            for ( J j = b.first; j != b.second; ++j)
               ids.push_back(j->second);
            pc.addIntegerArray ( i->toString(), ids );
            
            if ( pc.isReading() ) {
               for ( vector<int>::iterator j = ids.begin(); j != ids.end(); ++j )
                  destructionObjects.insert(make_pair(*i, *j));
            }
         }
         pc.closeBracket();
      }


      ASCString entryString = entry.toString();
      pc.addString ( "Entry", entryString );
      if ( pc.isReading() ) {
         StringTokenizer st ( entryString );
         entry = LocalCoordinate ( st.getNextToken() );
      }

      pc.addInteger( "Armor", _armor );

      if ( pc.find( "Features" ) || !pc.isReading())
         pc.addTagArray ( "Features", features, functionNum, containerFunctionTags );
      else {
         int special = 0;
         pc.addTagInteger ( "Functions", special, cbuildingfunctionnum, buildingFunctionTags );
         convertOldFunctions( special, pc.getFileName() );
      } 
      pc.addInteger ( "Techlevel", technologylevel );

      pc.openBracket("TerrainAccess" );
       terrainaccess.runTextIO ( pc );
      pc.closeBracket();


      pc.openBracket ( "ConstructionCost" );
       productionCost.runTextIO ( pc );
      pc.closeBracket ();

      pc.addTagInteger( "Height", buildingheight, choehenstufennum, heightTags );

      pc.addTagInteger( "ExternalLoading", externalloadheight, choehenstufennum, heightTags );

      pc.addBool ( "NotRemovable", buildingNotRemovable, false );

      techDependency.runTextIO( pc, ASCString("b")+strrr(id) );

   }
   catch ( InvalidString ) {
      pc.error ( "Could not parse building field coordinate");
   }
}

void BuildingType::convertOldFunctions( int abilities, const ASCString& location  )
{
   features.reset();
   if ( abilities & 1 ) warning ( location + ": The HQ function for buildings is not supported any more");
   if ( abilities & 2 ) features.set( TrainingCenter );
   if ( abilities & (1 << 3) ) features.set( InternalVehicleProduction );
   if ( abilities & (1 << 4) ) features.set( AmmoProduction );
   if ( abilities & (1 << 8) ) features.set( InternalUnitRepair );
   if ( abilities & (1 << 9) ) features.set( RecycleUnits );
   if ( abilities & (1 << 10) ) features.set( Research );
   if ( abilities & (1 << 11) ) features.set( Sonar );
   if ( abilities & (1 << 12) ) features.set( WindPowerPlant );
   if ( abilities & (1 << 13) ) features.set( SolarPowerPlant );
   if ( abilities & (1 << 14) ) features.set( MatterConverter );
   if ( abilities & (1 << 15) ) features.set( MiningStation );
   if ( abilities & (1 << 16) ) {
      features.set( ExternalMaterialTransfer );
      features.set( ExternalFuelTransfer );
      features.set( ExternalAmmoTransfer );
   }
   if ( abilities & (1 << 17) ) features.set( ProduceNonLeavableUnits );
   if ( abilities & (1 << 18) ) features.set( ResourceSink );
   if ( abilities & (1 << 19) ) {
      features.set( ExternalMaterialTransfer );
      features.set( ExternalFuelTransfer );
   }
   if ( abilities & (1 << 20) ) features.set( ExternalAmmoTransfer );
   if ( abilities & (1 << 21) ) features.set( NoObjectChaining );
   if ( abilities & (1 << 22) ) features.set( SelfDestructOnConquer );
   if ( abilities & (1 << 23) ) features.set( SatelliteView );
}

---