OCloverGrassGrazed2.cpp

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//
//  OCloverGrassGrazed2.cpp
//
/*
*******************************************************************************************************
Copyright (c) 2011, Christopher John Topping, University of Aarhus
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*/
 
#include "../../Landscape/ls.h"
#include "../../Landscape/cropprogs/OCloverGrassGrazed2.h"
 
 
 
using namespace std;
 
extern CfgBool cfg_organic_extensive;
extern CfgFloat cfg_silage_prop;
 
bool OCloverGrassGrazed2::Do( Farm *a_farm, LE *a_field, FarmEvent *a_ev )
{
    m_farm  = a_farm;
    m_field = a_field;
    m_ev    = a_ev;
    bool done = false;
    long d1 = 0;
    int noDates= 2;
 
    switch ( m_ev->m_todo ) {
  case ocgg2_start:
          OCGG2_CUT_DATE    = 0;
          OCGG2_WATER_DATE  = 0;
 
          // Set up the date management stuff
          // Could save the start day in case it is needed later
          // m_field->m_startday = m_ev->m_startday;
          m_last_date=g_date->DayInYear(10,10);
          // Start and stop dates for all events after harvest
          m_field->SetMDates(0,0,g_date->DayInYear(27,7));
          // Determined by harvest date - used to see if at all possible
          m_field->SetMDates(1,0,g_date->DayInYear(10,10));
          m_field->SetMDates(0,1,g_date->DayInYear(1,9));
          m_field->SetMDates(1,1,g_date->DayInYear(1,10));
          // Check the next crop for early start, unless it is a spring crop
          // in which case we ASSUME that no checking is necessary!!!!
          // So DO NOT implement a crop that runs over the year boundary
          if (m_ev->m_startday>g_date->DayInYear(1,7))
          {
              if (m_field->GetMDates(0,0) >=m_ev->m_startday)
              {
                  g_msg->Warn( WARN_BUG, "OCloverGrassGrazed2::Do(): "
                      "Harvest too late for the next crop to start!!!", "" );
                  exit( 1 );
              }
              // Now fix any late finishing problems
              for (int i=0; i<noDates; i++)
              {
                  if  (m_field->GetMDates(0,i)>=m_ev->m_startday) m_field->SetMDates(0,i,m_ev->m_startday-1);
                  if  (m_field->GetMDates(1,i)>=m_ev->m_startday) m_field->SetMDates(1,i,m_ev->m_startday-1);
              }
          }
          // Now no operations can be timed after the start of the next crop.
          // Added test for management plan testing. FN, 19/5-2003.
          if ( ! ( m_ev->m_first_year  )) {
              // Are we before July 1st?
              d1 = g_date->OldDays() + g_date->DayInYear( 1,7 );
              if (g_date->Date() < d1) {
                  // Yes, too early. We assumme this is because the last crop was late
                  g_msg->Warn( WARN_BUG, "OCloverGrassGrazed2::Do(): "
                      "Crop start attempt between 1st Jan & 1st July", "" );
                  exit( 1 );
              } else {
                  d1 = g_date->OldDays() + m_first_date+365; // Add 365 for spring crop
                  if (g_date->Date() > d1) {
                      // Yes too late - should not happen - raise an error
                      g_msg->Warn( WARN_BUG, "OCloverGrassGrazed2::Do(): "
                          "Crop start attempt after last possible start date",
                          "" );
                      exit( 1 );
                  }
              }
          } else {
              // First (invisible) year or testing. Force the correct starting date.
              d1 = g_date->OldDays() + g_date->DayInYear( 1, 4 );
              // If testing and not the first year, then push all events
              // into next year (start event is called in the autumn after
              // the current year has finished). FN, 20/5-2003.
              if (!m_ev->m_first_year) d1 += 365;
          }
          m_field->SetLastSownVeg( m_field->GetOwner()->GetNextCrop( m_field->GetRotIndex() ) );
          // OK, let's go.
          OCGG2_CUT_DATE=0;
          SimpleEvent( d1, ocgg2_ferti_zero, false );
          break;
  case ocgg2_ferti_zero:
    if ( m_ev->m_lock || m_farm->DoIt( 50 ))
    {
      if (!m_farm->FA_Slurry( m_field, 0.0,
           g_date->DayInYear( 30, 4 ) - g_date->DayInYear())) {
        // We didn't do it today, try again tomorrow.
        SimpleEvent( g_date->Date() + 1, ocgg2_ferti_zero, true );
        break;
      }
    }
    SimpleEvent( g_date->OldDays() + g_date->DayInYear( 1,5 ),
             ocgg2_cattle_out, false );
//    SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25,5 ),
//                   cgg2_cut_to_silage, false );
 
// Start a watering thread
    SimpleEvent( g_date->OldDays() + g_date->DayInYear( 15, 5 ),
             ocgg2_water_zero, false );
    break;
 
 
case ocgg2_cattle_out:
  if (  m_ev->m_lock || m_farm->DoIt( (int) (100-(cfg_silage_prop.value()*40) ))) {
    if (cfg_organic_extensive.value()) {
      if (!m_farm->CattleOutLowGrazing( m_field, 0.0,
                              m_field->GetMDates(1,1) -
                              g_date->DayInYear())) {
        SimpleEvent( g_date->Date() + 1, ocgg2_cattle_out, true );
              break;
      }
    }
    else {
      if (!m_farm->CattleOut( m_field, 0.0,
                              m_field->GetMDates(1,1) -
                              g_date->DayInYear())) {
        SimpleEvent( g_date->Date() + 1, ocgg2_cattle_out, true );
              break;
      }
    }
    // Success
    // Keep them out there
    SimpleEvent( g_date->Date() + 1, ocgg2_cattle_is_out, false );
    break;
  }
  SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25,5 ),
                 ocgg2_cut_to_silage, false );
  break;
 
case ocgg2_cattle_is_out:    // Keep the cattle out there
  // CattleIsOut() returns false if it is not time to stop grazing
  if (cfg_organic_extensive.value()) {
    if (!m_farm->CattleIsOutLow( m_field, 0.0, m_field->GetMDates(1,1) -
                               g_date->DayInYear(),m_field->GetMDates(1,1))) {
    SimpleEvent( g_date->Date() + 1, ocgg2_cattle_is_out, false );
    break;
    }
  }
  else {
  if ( !m_farm->CattleIsOut( m_field, 0.0,
                               m_field->GetMDates(1,1) -
                               g_date->DayInYear(),m_field->GetMDates(1,1)))
    {
      SimpleEvent( g_date->Date() + 1, ocgg2_cattle_is_out, false );
      break;
    }
  }
  done=true;
  break;
 
case ocgg2_cut_to_silage:
if ( m_ev->m_lock || m_farm->DoIt( 100 )) {
  if ( g_date->Date() < OCGG2_WATER_DATE + 7 ) {
    SimpleEvent( g_date->Date() + 1, ocgg2_cut_to_silage, true );
    break;
  }
  if (!m_farm->CutToSilage( m_field, 0.0,
                            g_date->DayInYear( 25, 6 ) -
                            g_date->DayInYear())) {
    // We didn't do it today, try again tomorrow.
    SimpleEvent( g_date->Date() + 1, ocgg2_cut_to_silage, true );
    break;
  }
  OCGG2_CUT_DATE = g_date->Date();
  SimpleEvent(g_date->OldDays() + m_field->GetMDates(0,1), ocgg2_stubble_harrow, false );
  // But we need to graze too
  SimpleEvent( g_date->Date()+14, ocgg2_cattle_out, true );
}
break;
 
case ocgg2_stubble_harrow:
if ( m_ev->m_lock || m_farm->DoIt( 20 )) {
  // But first if we are grazing then we must stop this
  //
  if (!m_farm->StubbleHarrowing( m_field, 0.0,
                                 m_field->GetMDates(1,1) -
                                 g_date->DayInYear())) {
    // We didn't do it today, try again tomorrow.
    SimpleEvent( g_date->Date() + 1, ocgg2_stubble_harrow, true );
    break;
  }
  // If we ran, then we also happen to be the last event,
  // so terminate the program by stopping grazing
  m_field->SetMDates(1,1,g_date->DayInYear()-1);
}
break;
 
case ocgg2_water_zero:
  if ( m_ev->m_lock || m_farm->DoIt( 25 )) {
    if ( g_date->Date() < OCGG2_CUT_DATE + 3 ) {
      // Try again tomorrow, too close to silage cutting.
      SimpleEvent( g_date->Date() + 1, ocgg2_water_zero, true );
      break;
    }
    if (!m_farm->Water( m_field, 0.0,
                        g_date->DayInYear( 30, 5 ) -
                        g_date->DayInYear())) {
      // We didn't do it today, try again tomorrow.
      SimpleEvent( g_date->Date() + 1, ocgg2_water_zero, true );
      break;
    }
    OCGG2_WATER_DATE = g_date->Date();
 
    long newdate1 = g_date->OldDays() + g_date->DayInYear( 1,6 );
    long newdate2 = g_date->Date() + 7;
    if ( newdate2 > newdate1 )
      newdate1 = newdate2;
    SimpleEvent( newdate1, ocgg2_water_one, false );
  }
  break;
 
case ocgg2_water_one:
  if ( m_ev->m_lock || m_farm->DoIt( 25 )) {
    if ( g_date->Date() < OCGG2_CUT_DATE + 3 ) {
      // Try again tomorrow, too close to silage cutting.
      SimpleEvent( g_date->Date() + 1, ocgg2_water_one, true );
      break;
    }
    if (!m_farm->Water( m_field, 0.0,
                        g_date->DayInYear( 15, 6 ) -
                        g_date->DayInYear())) {
      // We didn't do it today, try again tomorrow.
      SimpleEvent( g_date->Date() + 1, ocgg2_water_one, true );
      break;
    }
    OCGG2_WATER_DATE = g_date->Date();
  }
  break;
  // End of watering thread.
 
 
  default:
    g_msg->Warn( WARN_BUG, "OCloverGrassGrazed2::Do(): "
         "Unknown event type! ", "" );
    exit( 1 );
  }
 
  return done;
}
//---------------------------------------------------------------------------