OCloverGrassGrazed1.cpp

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//
//  OCloverGrassGrazed1.cpp
//
/*
*******************************************************************************************************
Copyright (c) 2011, Christopher John Topping, University of Aarhus
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*/
 
#include "../../Landscape/ls.h"
#include "../../Landscape/cropprogs/OCloverGrassGrazed1.h"
 
 
using namespace std;
 
extern CfgBool cfg_organic_extensive;
extern CfgFloat cfg_silage_prop;
 
bool OCloverGrassGrazed1::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;
  int d1 = 0;
  int noDates= 2;
 
  switch ( m_ev->m_todo ) {
  case ocgg1_start:
  {
      // 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(7, 8));
      // Determined by harvest date - used to see if at all possible
      m_field->SetMDates(1, 0, g_date->DayInYear(1, 10));
      m_field->SetMDates(0, 1, g_date->DayInYear(10, 10));
      m_field->SetMDates(1, 1, g_date->DayInYear(10, 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, "OCloverGrassGrazed1::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.
      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, "OCloverGrassGrazed1::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, "OCloverGrassGrazed1::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).
          if (!m_ev->m_first_year) d1 += 365;
      }
      m_field->SetLastSownVeg(m_field->GetVegType()); //Force last sown, needed for goose habitat classification
      // OK, let's go.
      OCGG1_CUT_DATE = 0;
      SimpleEvent(d1, ocgg1_ferti_zero, false);
  }
  break;
 
  case ocgg1_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, ocgg1_ferti_zero, true );
        break;
      }
    }
    SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25, 5 ),
                 ocgg1_cut_to_silage, false );
    // Start a watering thread
    SimpleEvent( g_date->OldDays() + g_date->DayInYear( 1, 6 ),
                 ocgg1_water_zero, false );
    break;
 
  case ocgg1_cut_to_silage:
    if ( m_ev->m_lock || m_farm->DoIt( (int) (cfg_silage_prop.value()*100 )))
    {
      if (!m_farm->CutToSilage( 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, ocgg1_cut_to_silage, true );
        break;
      }
      // Success so queue up the next event
      OCGG1_CUT_DATE=g_date->DayInYear();
      if ( OCGG1_CUT_DATE+14>g_date->DayInYear(25,5) )
        SimpleEvent( g_date->OldDays() + OCGG1_CUT_DATE+14,
                         ocgg1_cattle_out, false );
      else
        SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25, 5 ),
                         ocgg1_cattle_out, false );
      break;
    }
    else
    {
      // Didn't want to cut so go direct to graze
      SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25, 5 ),
                     ocgg1_cattle_out, true );
 
    }
    break;
 
  case ocgg1_water_zero:
    if ( m_ev->m_lock || m_farm->DoIt( 30 ))
    {
      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, ocgg1_water_zero, true );
        break;
      }
      // Success
        if ( (g_date->DayInYear()+7)<g_date->DayInYear( 25,6 ) )
            SimpleEvent( g_date->OldDays() + (g_date->DayInYear()+7),
                    ocgg1_water_one, false );
        else
            SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25,6 ),
                         ocgg1_water_one, false );
        break;
    }
    // Didn't water so let the thread die
    break;
 
  case ocgg1_water_one:
    if ( m_ev->m_lock || m_farm->DoIt( 67 ))    //**CJT** check this or 20
    {
        // --FN--
      if (!m_farm->Water( m_field, 0.0,
           g_date->DayInYear( 25, 7 ) - g_date->DayInYear())) {
        // We didn't do it today, try again tomorrow.
        SimpleEvent( g_date->Date() + 1, ocgg1_water_one, true );
        break;
      }
    }
    break;
    // End of watering thread
 
  case ocgg1_cattle_out:
    if ( m_ev->m_lock || m_farm->DoIt( 50 ))
    {
      if (cfg_organic_extensive.value()) {
        if (!m_farm->CattleOutLowGrazing( m_field, 0.0,
          m_field->GetMDates(1,0) - g_date->DayInYear())) {
          SimpleEvent( g_date->Date() + 1, ocgg1_cattle_out, true );
          break;
        }
      }
      else {
        if (!m_farm->CattleOut( m_field, 0.0,
           m_field->GetMDates(1,0) - g_date->DayInYear())) {
        SimpleEvent( g_date->Date() + 1, ocgg1_cattle_out, true );
        break;
        }
      }
      // Success
      // Keep them out there
      SimpleEvent( g_date->Date() + 1, ocgg1_cattle_is_out, false );
      break;
    }
    // don't graze so carry on with fertilizer etc.
    SimpleEvent( g_date->OldDays() + g_date->DayInYear( 25,5 ),
                 ocgg1_ferti_one, false );
    break;
 
  case ocgg1_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(0,1) - g_date->DayInYear(),m_field->GetMDates(0,1))) {
      SimpleEvent( g_date->Date() + 1, ocgg1_cattle_is_out, false );
      break;
      }
    }
    else {
      if (!m_farm->CattleIsOut( m_field, 0.0,
         m_field->GetMDates(0,1) - g_date->DayInYear(),m_field->GetMDates(0,1))) {
      SimpleEvent( g_date->Date() + 1, ocgg1_cattle_is_out, false );
      break;
      }
    }
    // if it is time to stop grazing then that years activities are over
    done = true;   // End of activities
    break;
 
  case ocgg1_ferti_one:
    if (!m_farm->FA_Slurry( m_field, 0.0,
         ( OCGG1_CUT_DATE+4 ) - g_date->DayInYear())) {
      SimpleEvent( g_date->Date() + 1, ocgg1_ferti_one, true );
      break;
    }
    OCGG1_SLURRY=g_date->DayInYear();
    if ( (g_date->DayInYear(15,6))<OCGG1_CUT_DATE+21 )
        SimpleEvent( g_date->OldDays() + (OCGG1_CUT_DATE+21),
                   ocgg1_cut_to_silage1, false );
    else
        SimpleEvent( g_date->OldDays() + g_date->DayInYear( 15,6 ),
                   ocgg1_cut_to_silage1, false );
    break;
 
  case ocgg1_cut_to_silage1:
    if ( m_ev->m_lock || m_farm->DoIt((int) (cfg_silage_prop.value()* 60 )))
    {
      if (!m_farm->CutToSilage( m_field, 0.0,
           g_date->DayInYear( 7,7 ) - g_date->DayInYear())) {
        // We didn't do it today, try again tomorrow.
        SimpleEvent( g_date->Date() + 1, ocgg1_cut_to_silage, true );
        break;
      }
      // Success so queue up the next event
      OCGG1_CUT_DATE=g_date->DayInYear();
      SimpleEvent( g_date->OldDays() + g_date->DayInYear( 15, 6 ),
                 ocgg1_ferti_two, false );
      break;
    }
    else
    {
      // Didn't want to cut so go direct to graze
      SimpleEvent( g_date->OldDays() +  OCGG1_SLURRY+14,
                     ocgg1_cattle_out, true ); // Must do it
    }
    break;
 
  case ocgg1_ferti_two:
    if ( m_ev->m_lock || m_farm->DoIt( 60 ))
    {
      if (!m_farm->FA_Slurry( m_field, 0.0,
           (OCGG1_CUT_DATE+4) - g_date->DayInYear())) {
        SimpleEvent( g_date->Date() + 2, ocgg1_ferti_two, true );
        break;
      }
      OCGG1_SLURRY=g_date->DayInYear();
    }
    {
    d1=OCGG1_SLURRY+21;
    long d2=g_date->DayInYear(1,7);
    if (d2>d1) d1=d2;
    SimpleEvent( g_date->OldDays() + d1,
                   ocgg1_cut_to_silage2, false );
    }
    break;
 
  case ocgg1_cut_to_silage2:
    if ( m_ev->m_lock || m_farm->DoIt( (int) (cfg_silage_prop.value()*60) ))
    {
      if (!m_farm->CutToSilage( m_field, 0.0,
           g_date->DayInYear( 30, 6 ) - g_date->DayInYear())) {
        // We didn't do it today, try again tomorrow.
        SimpleEvent( g_date->Date() + 1, ocgg1_cut_to_silage2, true );
        break;
      }
      // Success so queue up the next event
      SimpleEvent( g_date->OldDays() + g_date->DayInYear( 5, 7 ),
                 ocgg1_ferti_three, false );
      break;
    }
    else
    {
      // Didn't want to cut so go direct to graze
      SimpleEvent( g_date->OldDays() + OCGG1_SLURRY+14,
                     ocgg1_cattle_out, true ); // Must do it !
    }
    break;
 
  case ocgg1_ferti_three:
    if (!m_farm->FA_Slurry( m_field, 0.0,
                m_field->GetMDates(0,0) - g_date->DayInYear())) {
      SimpleEvent( g_date->Date() + 1, ocgg1_ferti_three, true );
      break;
    }
    done = true; // nothing else to do
    break;
 
  default:
    g_msg->Warn( WARN_BUG, "OCloverGrassGrazed1::Do(): "
         "Unknown event type! ", "" );
    exit( 1 );
  }
  return done;
}
//---------------------------------------------------------------------------