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Formations.cpp

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/*
Copyright (c) 2000-2003, Jelle Kok, University of Amsterdam
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

3. Neither the name of the University of Amsterdam nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "Formations.h"
#include "Parse.h"       // Parse

#include <fstream>       // ifstream
#include <stdio.h>       // printf
#include <math.h>        // fabs

/*****************************************************************************/
/********************** CLASS PLAYERTYPEINFO *********************************/
/*****************************************************************************/

PlayerTypeInfo::PlayerTypeInfo()
{
  setValues( PT_ILLEGAL, UnknownDoubleValue,UnknownDoubleValue,
             UnknownDoubleValue,UnknownDoubleValue, false );
}

PlayerTypeInfo::PlayerTypeInfo( PlayerT pt, double dAttrX, double dAttrY,
              double dMinX, double dMaxX, bool bBehindBall  )
{
  setValues( pt, dAttrX, dAttrY, dMinX, dMaxX, bBehindBall );
}

bool PlayerTypeInfo::setValues( PlayerT pt,   double ax,   double ay,
                          double minx,  double maxx, bool bb )
{
  playerType      = pt;
  dAttrX          = ax;
  dAttrY          = ay;
  dMinX           = minx;
  dMaxX           = maxx;
  bBehindBall     = bb;

  return true;
}

void PlayerTypeInfo::show( ostream &os )
{
  os << "(" << (int)playerType << ", " << dAttrX << ", " << dAttrY << ", "
            << dMinX           << ", " << dMaxX  << ", " << bBehindBall 
            <<  ")" << endl;

}

bool PlayerTypeInfo::setPlayerType( PlayerT type )
{
  playerType = type;
  return true;
}

PlayerT PlayerTypeInfo::getPlayerType( ) const
{
  return playerType;
}

bool PlayerTypeInfo::setAttrX( double dAttractionX )
{
  dAttrX = dAttractionX;
  return true;
}

double PlayerTypeInfo::getAttrX( ) const
{
  return dAttrX;
}

bool PlayerTypeInfo::setAttrY( double dAttractionY )
{
  dAttrY = dAttractionY;
  return true;
}

double PlayerTypeInfo::getAttrY( ) const
{
  return dAttrY;
}

bool PlayerTypeInfo::setMinX( double dMinimalX )
{
  dMinX = dMinimalX;
  return true;
}

double PlayerTypeInfo::getMinX( ) const
{
  return dMinX;
}

bool PlayerTypeInfo::setMaxX( double dMaximalX )
{
  dMaxX = dMaximalX;
  return true;
}

double PlayerTypeInfo::getMaxX( ) const
{
  return dMaxX;
}

bool PlayerTypeInfo::setBehindBall( bool b )
{
  bBehindBall = b;
  return true;
}

bool PlayerTypeInfo::getBehindBall( ) const
{
  return bBehindBall;
}

/*****************************************************************************/
/********************** CLASS FORMATIONTYPEINFO*******************************/
/*****************************************************************************/

FormationTypeInfo::FormationTypeInfo( )
{
}

bool FormationTypeInfo::setFormationType( FormationT type )
{
  formationType = type;
  return true;
}

FormationT FormationTypeInfo::getFormationType( ) const
{
  return formationType;
}

void FormationTypeInfo::show( ostream &os )
{
  char str[128];
  for( int i = 0; i < MAX_TEAMMATES; i++ )
  {
    sprintf(str, "%3.2f ", posHome[i].getX() );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_TEAMMATES; i++ )
  {
    sprintf( str, "%3.2f ", posHome[i].getY() );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_TEAMMATES; i++ )
  {
    sprintf( str, "%5d ", (int)playerType[i] );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_PLAYER_TYPES; i++ )
  {
    sprintf( str, "%3.2f ", playerTypeInfo[i].getAttrX() );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_PLAYER_TYPES; i++ )
  {
    sprintf( str, "%3.2f ", playerTypeInfo[i].getAttrY() );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_PLAYER_TYPES; i++ )
  {
    sprintf( str, "%5d ", playerTypeInfo[i].getBehindBall() );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_PLAYER_TYPES; i++ )
  {
    sprintf( str, "%3.2f ", playerTypeInfo[i].getMinX() );
    os << str;
  }
  os << endl;
  for( int i = 0; i < MAX_PLAYER_TYPES; i++ )
  {
    sprintf( str, "%3.2f ", playerTypeInfo[i].getMaxX() );
    os << str;
  }
  os << endl;
}


bool FormationTypeInfo::setPosHome( VecPosition pos, int atIndex )
{
  posHome[ atIndex ] = pos;
  return true;
}

bool FormationTypeInfo::setXPosHome( double x, int atIndex )
{
  posHome[ atIndex ].setX( x );
  return true;
}

bool FormationTypeInfo::setYPosHome( double y, int atIndex )
{
  posHome[ atIndex ].setY( y );
  return true;
}

VecPosition FormationTypeInfo::getPosHome( int atIndex ) const
{
  return posHome[ atIndex ];
}

bool FormationTypeInfo::setPlayerType( PlayerT type, int atIndex )
{
  playerType[ atIndex ] = type;
  return true;
}

PlayerT FormationTypeInfo::getPlayerType( int atIndex ) const
{
  return playerType[ atIndex ];
}

bool FormationTypeInfo::setPlayerTypeInfo( PlayerTypeInfo info, int atIndex )
{
  playerTypeInfo[ atIndex ] = info;
  return true;
}

PlayerTypeInfo* FormationTypeInfo::getPlayerTypeInfo( int atIndex )
{
  return &playerTypeInfo[ atIndex ];
}


PlayerTypeInfo* FormationTypeInfo::getPlayerTypeInfoOfPlayer(
                                                       int iPlayerInFormation )
{
  return &playerTypeInfo[ playerType[iPlayerInFormation] ];
}

/*****************************************************************************/
/********************** CLASS FORMATIONS *************************************/
/*****************************************************************************/

Formations::Formations( const char *strFile, FormationT curFt, int iNr )
{
  if( strFile[0] == '\0' )
  {
    cerr << "(Formations::Formations) No Filename given" << endl;
    return;
  }

  if( readFormations( strFile ) == false )
    cerr << "(Formations::Formations) Error reading file " << strFile << endl;
  curFormation = curFt;
  setPlayerInFormation( iNr );
}

void Formations::show( ostream &os )
{
  for( int i = 0 ; i < MAX_FORMATION_TYPES; i ++ )
    formations[i].show( os );
  os << "Current formation: " << (int)curFormation << endl
       << "Player nr in formation: " << iPlayerInFormation ;
}

VecPosition Formations::getStrategicPosition( int iPlayer, VecPosition posBall,
     double dMaxXInPlayMode, bool bInBallPossession, double dMaxYPercentage,
     FormationT ft )
{
  if( ft == FT_ILLEGAL )
    ft = curFormation;
  VecPosition     posHome;
  PlayerTypeInfo* ptInfo = formations[ft].
                            getPlayerTypeInfoOfPlayer( iPlayer );
  double x, y;

  // get the home position and calculate the associated strategic position
  posHome = formations[ft].getPosHome( iPlayer );
  y = posHome.getY() + posBall.getY() * ptInfo->getAttrY();
  x = posHome.getX() + posBall.getX() * ptInfo->getAttrX();

  // do not move too much to the side
  if( fabs( y ) > 0.5*dMaxYPercentage*PITCH_WIDTH )
    y = sign(y)*0.5*dMaxYPercentage*PITCH_WIDTH;

  // when behind ball is set, do not move to point in front of ball
  if( ptInfo->getBehindBall() == true && x > posBall.getX() )
    x = posBall.getX();

  // do not move past maximal x or before minimal x
  if( x > ptInfo->getMaxX() )
    x = ptInfo->getMaxX();
  else if( x < ptInfo->getMinX() )
    x = ptInfo->getMinX();

  // when x coordinate is in front of allowed x value, change it
  if( x > dMaxXInPlayMode )
    x = dMaxXInPlayMode;

  return VecPosition( x, y );
}

bool Formations::readFormations( const char *strFile )
{
  ifstream in( strFile );
  if( !in )
  {
    cerr << "(readValues::readValues) Could not open file '" <<
    strFile << "'" << endl;
    return false;
  }

  char strLine[256], *str;
  int            iLineNr          = 0, i;
  int            iForm            = 0; // current formation type that is parsed
  int            iLineInFormation = 0; // current offset of line in formation
  bool           bReturn          = true;
  PlayerTypeInfo *pt_info;

  // read all lines
  while( bReturn && in.getline( strLine, sizeof(strLine) ) )
  {
    str = &strLine[0];
    iLineNr++;
    // comment and empty lines should be skipped
    if( !(strLine[0] == '\n' || strLine[0] == '#' || strLine[0]=='\0' ||
          Parse::gotoFirstNonSpace( &str ) == '\0' ) )
    {
      // there are ten different lines in a formation (see comment above)
      // all values for each line are parsed in one iteration
      // after all 10 lines are parsed, the sequence it is resetted.
      switch( iLineInFormation )
      {
        case 0: // first line is the number of the formation
          iForm = Parse::parseFirstInt( &str );
          break;
        case 1: // the x coordinate of the home pos for all the players
          for( i = 0 ; i < MAX_TEAMMATES ; i ++ )
            formations[iForm].setXPosHome(Parse::parseFirstDouble(&str), i);
          break;
        case 2: // the y coordinate of the home pos for all the players
          for( i = 0 ; i < MAX_TEAMMATES ; i ++ )
            formations[iForm].setYPosHome(Parse::parseFirstDouble(&str), i);
          break;
        case 3: // the player types for all the players
          for( i = 0 ; i < MAX_TEAMMATES ; i ++ )
            formations[iForm].setPlayerType(
                (PlayerT) Parse::parseFirstInt(&str), i);
          break;
        case 4: // the x attraction for all the player types
          for( i = 0 ; i < MAX_PLAYER_TYPES ; i ++ )
          {
            pt_info = formations[iForm].getPlayerTypeInfo( i );
            pt_info->setAttrX( Parse::parseFirstDouble( &str ) );
          }
          break;
        case 5: // the y attraction for all the player types
          for( i = 0 ; i < MAX_PLAYER_TYPES ; i ++ )
          {
            pt_info = formations[iForm].getPlayerTypeInfo( i );
            pt_info->setAttrY( Parse::parseFirstDouble( &str ) );
          }
          break;
        case 6: // stay behind the ball for all the player types
          for( i = 0 ; i < MAX_PLAYER_TYPES ; i ++ )
          {
            pt_info = formations[iForm].getPlayerTypeInfo( i );
            if( Parse::parseFirstInt( &str ) == 1 )
              pt_info->setBehindBall( true );
            else
              pt_info->setBehindBall( false );          ;
          }
          break;
        case 7: // the minimal x coordinate for all the player types
          for( i = 0 ; i < MAX_PLAYER_TYPES ; i ++ )
          {
            pt_info = formations[iForm].getPlayerTypeInfo( i );
            pt_info->setMinX( Parse::parseFirstDouble( &str ));
          }
          break;
        case 8:// the maximal x coordinate for all the player types
          for( i = 0 ; i < MAX_PLAYER_TYPES ; i ++ )
          {
            pt_info = formations[iForm].getPlayerTypeInfo( i );
            pt_info->setMaxX( Parse::parseFirstDouble( &str ));
          }
          break;
        default:
          cerr << "(Formations::readFormations) error line " << iLineNr <<endl;
          return false;
      }

      iLineInFormation++;          // go one line further
      if( iLineInFormation == 9 ) // each formation consists of ten lines
        iLineInFormation = 0;
    }
  }
  return true;
}

bool Formations::setFormation( FormationT formation )
{
  curFormation = formation;
  return true;
}

FormationT Formations::getFormation( ) const
{
  return curFormation;
}

bool Formations::setPlayerInFormation( int iNumber )
{
  iPlayerInFormation = iNumber;
  return true;
}

int Formations::getPlayerInFormation( ObjectT obj  ) const
{
  int i;
  if( obj == OBJECT_ILLEGAL )
    i = iPlayerInFormation;
  else
    i = SoccerTypes::getIndex( obj );

  return i;
}

PlayerT Formations::getPlayerType( ObjectT obj, FormationT ft ) const
{
  if( ft == FT_ILLEGAL )
    ft = curFormation;
  return formations[ ft ].getPlayerType( 
    SoccerTypes::getIndex( obj ) );
}

PlayerT Formations::getPlayerType( int iIndex, FormationT ft ) const
{
  if( ft == FT_ILLEGAL )
    ft = curFormation;
  if( iIndex == -1  )
    iIndex = iPlayerInFormation;
  return formations[ ft ].getPlayerType( iIndex );
}

/*************************** TESTING PURPOSES ********************************/

/*
int main( void )
{
  Formations fs( "formations.conf" );
  fs.show( cout );
}
*/

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