Examples of civquest.map.Field

civquest.map.Field
This class represents one field on the map. It saves all information about the field (things like production, humidity, temperature, units on that field, and so on). A field does especially save its position on map (usually in array-coordinates; see {@link civquest.MapData} for details). This makes dealing with fields and their coordinates much easier. Of course the coordinates saved in Field have to match the ones determined by data (usually array-indizes)in {@link civquest.MapData}. Furthermore, in this class, the CivQuest-wide used height-level-constants are defined. Some related functions are supplied, too. The Field does also maintain a container with all units currently placed on this field. Note that because of that everytime a unit enters or leaves a Field, one of the functions insertUnit/removeUnit has to be called.

        for(int y = 0;y < height;y++){


            for(int x = 0; x < width;x++)
    if(mapData.isArrayCoordOnMap(x,y))
        {
                    Field f = mapData.getField(x,y);
                    /*                    if(f.isNormalSea() || f.isShallowSea())
                        f.setLayer(Field.LAYER_GROUND, "Ocean");
                    else
                        if (f.getHeightLevel()>2)
                            f.setLayer(Field.LAYER_GROUND, "Mountain");
                    else
                        f.setLayer(Field.LAYER_GROUND, "Grass");
                    */                    
        if(f.isSea())
                        f.setValues(ocean,Field.LAYER_GROUND,mapType);                    
                    else                                            
                        f.setValues(grass,Field.LAYER_GROUND,mapType);                    
                    
                    //      f.setLayer(Field.LAYER_GROUND,grass.getRandomTile(mapType,f.getHeightLevel()-1));
                    
        /*
         if(f.isNormalSea() || f.isShallowSea())

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      for(int y = 0;y < mapdata.getArrayHeight();y++)
        if(mapdata.isArrayCoordOnMap(x,y))
          mapdata.getField(x,y).setWaterFlow(NOWATERFLOW); // The default value has to be negative
    for(int n = 0;n < config.firststeptries;n++)
      {
        Field startfield = riverstarter.startRiver();
        if(startfield == null)
          continue;
        riverevolver.evolveRiver(startfield);
      }
    rivercompleter.completeRivers();

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    public Field startRiver()
    {
      for(int z = 0;z < config.rprstarter_starttries;z++)
        {
          Coordinate coord = mapdata.getRandomCoordinate();
          Field retvalue = mapdata.getField(coord);
          if(retvalue.getWaterFlow() < 0)
            {
              Field[] coasts = mapdata.getCoasts(coord);
              if((coasts != null) && (coasts.length > 0))
                {
                  retvalue.setWaterFlowTo(coasts[randomgen.nextInt(coasts.length)]);
                  return retvalue;
                }
            }
        }
      return null;

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      for(int n = 0;n < 4;n++)
        {
          nextcoord[n] = mapdata.adjustToMapSize(nextcoord[n]);
          if(nextcoord[n] != null)
            {
              Field nextfield = mapdata.getField(nextcoord[n]);
              if((nextfield.getWaterFlow() < 0) && (nextfield.isLand()))
                {
                  int probability = -1;
                  int from = config.UNDEFINED;
                  int to = config.UNDEFINED;
                  from = config.getHeightConstant(start);
                  to = config.getHeightConstant(nextfield);
                  if((from != config.UNDEFINED) && (to != config.UNDEFINED)
                     && (randomgen.nextDouble() < config.probevprobs[from][to]))
                    {
                      if(config.probev_seastopprobsuse)
                        {
                          int nextdst = nextfield.getDistanceToSea();
                          double [] probs = config.probev_seastopprobs;
                          int [] mindepth = config.probev_seastopprobsmindepth;
                          if((nextdst <= probs.length) 
                             && (depth >= mindepth[nextdst - 1])
                             && (randomgen.nextDouble() <= probs[nextdst - 1]))
                            continue;
                        }
                      int nstoppoints = stoppoints +
                        config.probev_callstoppoints[recnumber];
                      if(config.probev_spforturnarounduse)
                        {                
                          Coordinate s = start.getPosition();
                          int dst = Math.abs(startpos.x - nextcoord[n].x) +
                            Math.abs(startpos.y - nextcoord[n].y);
                          int olddst = Math.abs(startpos.x - s.x) + 
                            Math.abs(startpos.y - s.y);
                          if((dst < olddst) 
                             && (dst >= config.probev_turnaroundmindist))
                            nstoppoints += config.probev_spforturnaround;
                        }
              
                      if(config.probev_spfornearerseause) 
                        {
                          int newseadist = nextfield.getDistanceToSea();
                          if((newseadist <= config.probev_nearerseamaxdist)
                             && (newseadist < start.getDistanceToSea()))
                            nstoppoints += config.probev_spfornearersea;
                        }
                      start.addWaterFlowFrom(nextfield);
                      nextfield.setWaterFlowTo(start);
                      otherfieldsflow += evolveRiver(nextfield,nstoppoints,depth + 1);
                      recnumber++;
                    }
                }
            }

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  public void actionPerformed(FunctionActionEvent e) {
    Messages messages = Messages.getMessages();


    if (quadMap.setWFByMouse()) {
      Field pointedField = quadMap.getFieldAtPosition(e.getPosition());
      if (pointedField != quadMap.getWorkingField()) {
        Coordinate pos = null;
        if (pointedField != null) {
          pos = pointedField.getPosition();
        }
        
        SetWorkingField setWFChange = new SetWorkingField(quadMap, pos);
        setWFChange.execute();
      }

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      ArrayList<Field> updatefields = new ArrayList<Field>();
      for(int x = 0;x < mapdata.getArrayWidth();x++)
        for(int y = 0;y < mapdata.getArrayHeight();y++)
          if(mapdata.isArrayCoordOnMap(x,y))
            {
              Field field = mapdata.getField(x,y);
              if((field.getWaterFlow() == NOWATERFLOW) && (field.isLand()) 
                 && (!field.isLandVolcano()))
                {
                  if(!computeWaterFlow(field))
                    remainingfields.add(field);
                  else
                    {
                      updatefields.add(field);
                      d[x][y] = 1;
                    }
                }
            }
      for(int n = 0;n < updatefields.size();n++)
        {
          Field field = updatefields.get(n);
          field.setWaterFlow(field.getHumidity());
        }
      int k = 2;
      while(remainingfields.size() > 0)
        {
          int n = 0;
          updatefields = new ArrayList<Field>();
          while(n < remainingfields.size())
            if(computeWaterFlow(remainingfields.get(n)))
              updatefields.add(remainingfields.remove(n));
            else
              n++;
          if(updatefields.size() == 0)
            break;            // Remaining fields have no water-flow.
          for(int z = 0;z < updatefields.size();z++)
            {
              Field f = updatefields.get(z);
              f.setWaterFlow(f.getHumidity());
              d[f.getPosition().x][f.getPosition().y] = k;
            }
          k++;
        }
    }

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      validcoords[3] = mapdata.adjustToMapSize(new Coordinate(from.x,from.y + 1));
      int numberofvalidcoords = 0;
      for(int n = 0;n < 4;n++)  
        if(validcoords[n] != null)        
          {
            Field f = mapdata.getField(validcoords[n]);
            if((f.isSea()) || (f.getWaterFlow() != NOWATERFLOW))
              numberofvalidcoords++;
            else
              validcoords[n] = null;      
          }
      Field[] retvalue = new Field[numberofvalidcoords];

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    /* Air temperature */
    messages.info("ClimateGenerator", "CVGenState", "Setting climate");  
    int map[][] = new AirTemperatureMap(this.mapData, this.mapType, polTemp, eqTemp, bands).getAirTemperatureMap();
    for (int x = 0; x<map.length; x++)
      for (int y = 0; y<map[0].length; y++){
        Field f = mapData.getField(mapData.mapCoordinate(new Coordinate(x,y)));
        if (f.isHills()) {
          f.setTemperature(map[x][y] - 20);
        } else if (f.isMountain()) {
          f.setTemperature(map[x][y] - 30);
        } else if (f.isHighMountain()) {
          f.setTemperature(map[x][y] - 40);
        } else {
          f.setTemperature(map[x][y]);
        }


//         if (f.isLand() && !(f.isPlain()))
//           f.setTemperature(map[x][y]-(f.getHeightLevel()*10));
//         else

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    private boolean hasNeighbour(Coordinate c, String name, int layer){
  for (int x = -1; x<2; x++)
      for (int y = -1; y<2; y++)
    if (mapData.isOnMap(c.x-x,c.y-y)){
        if (x!=0 || y!=0){
      Field f = mapData.getField(c.x-x,c.y-y);
       String fname = f.getName(layer);
       if (fname!=null)
           if (fname.toUpperCase().equals(name))
         return true;          
         }
    }

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    private void generateLandscape(){
  for(int x = 0; x < width;x++)
      for(int y = 0;y < height;y++){
    if(mapData.isArrayCoordOnMap(x,y))
        {
      Field f = mapData.getField(x,y);       
      if(f.isSea())
          f.setValues(ocean,Field.LAYER_GROUND,mapType);                    
      else
          f.setValues(land,Field.LAYER_GROUND,mapType);                    
      
        }
      }    
  
  for(int x = 0; x < width;x++)
      for(int y = 0;y < height;y++){
    if(mapData.isArrayCoordOnMap(x,y)){        
                    Field f = mapData.getField(x,y);
        if (!f.isSea()){
      int h = f.getHumidity();
      int t = f.getTemperature();
      for (int i = 0; i<groundData.size(); i++){
          VegetationData w = (VegetationData)groundData.get(i);          
          SimpleConditionParser parse = new SimpleConditionParser(((VegetationData)groundData.get(i)).getCondition());
          parse.setH(h);
          parse.setT(t);
          if (parse.eval()){
        int prob = getProbability(w,new Coordinate(x,y), Field.LAYER_TERRAIN);
        if ((Util.getRandomNumber(10)+1)<=prob && (prob>0))
            f.setValues(w,Field.LAYER_GROUND,mapType);
          }          
      }
      for (int i = 0; i<terrainData.size(); i++){
          VegetationData w = (VegetationData)terrainData.get(i);          
          SimpleConditionParser parse = new SimpleConditionParser(w.getCondition());          
          parse.setH(h);
          parse.setT(t);
          if (parse.eval()){
        int prob = getProbability(w,new Coordinate(x,y), Field.LAYER_TERRAIN);
        if ((Util.getRandomNumber(10)+1)<=prob && (prob>0))
            f.setValues(w,Field.LAYER_TERRAIN,mapType);
          }
          
      }
        }
    }

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