PermanentGrassLowYield.cpp

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//
// PermanentGrassLowYield.cpp
//
/*
*******************************************************************************************************
Copyright (c) 2011, Christopher John Topping, University of Aarhus
All rights reserved.
 
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*/
 
#include "../../Landscape/ls.h"
#include "../../Landscape/cropprogs/PermanentGrassLowYield.h"
 
 
extern CfgFloat cfg_ins_app_prop1;
extern CfgFloat cfg_herbi_app_prop;
extern CfgFloat cfg_fungi_app_prop1;
extern CfgFloat cfg_greg_app_prop;
 
bool PermanentGrassLowYield::Do(Farm *a_farm, LE *a_field, FarmEvent *a_ev)
{
    m_farm = a_farm;
    m_field = a_field;
    m_ev = a_ev;
 
    int d1;
 
    bool done = false;
 
    switch (m_ev->m_todo) {
    case pgly_start:
    {
                       PGLY_CUT_DATE = 0;
                       // Set up the date management stuff
                       m_last_date = g_date->DayInYear(1, 10);
                       // Start and stop dates for all events after harvest
                       int noDates = 1;
                       // Start and stop dates for all events after harvest
                       m_field->SetMDates(0, 0, g_date->DayInYear(15, 9));
                       // 0,0 determined by harvest date - used to see if at all possible
                       m_field->SetMDates(1, 0, 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
 
                       //new if: do the check only for non-optimising farms and if year>0. (030713 - m_rotation used only in the hidden year, so I modified the condition from >7 to >0)
                       if (!(m_farm->GetType() == tof_OptimisingFarm && g_date->GetYearNumber() > 0)){
 
                           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, "PermanentGrassLowYield::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); //move the starting date
                                   }
                                   if (m_field->GetMDates(1, i) >= m_ev->m_startday){
                                       m_field->SetMConstants(i, 0);
                                       m_field->SetMDates(1, i, m_ev->m_startday - 1); //move the finishing date
                                   }
                               }
                           }
                           // Now no operations can be timed after the start of the next crop.
                           int today = g_date->Date();
                           d1 = g_date->OldDays() + m_first_date + 365; // Add 365 for spring crop
                           if (today > d1)
                           {
                               // Yes too late - should not happen - raise an error
                               g_msg->Warn(WARN_BUG, " PermanentGrassLowYield::Do(): "
                                   "Crop start attempt after last possible start date", "");
                               exit(1);
                           }
                       }
                       // Reinit d1 to first possible starting date.
                       d1 = g_date->OldDays() + m_first_date;
                       if (!m_ev->m_first_year) d1 += 365; // Add 365 for spring crop (not 1st yr)
                       if (g_date->Date() > d1) {
                           d1 = g_date->Date();
                       }
                       // OK, let's go.
                       m_field->SetLastSownVeg( m_field->GetVegType() ); //Force last sown, needed for goose habitat classification
 
                       SimpleEvent(d1, pgly_cut_to_hay, false);
    }
    break;
 
    case pgly_cut_to_hay:
        if (m_ev->m_lock || m_farm->DoIt(20))
        {
            if (!m_farm->CutToHay(m_field, 0.0, g_date->DayInYear(15, 6) - g_date->DayInYear())) {
                SimpleEvent(g_date->Date() + 1, pgly_cut_to_hay, true);
                break;
            }
            // did cut to hay so try turning
            else
            {
                SimpleEvent(g_date->OldDays() + g_date->DayInYear(15, 6),
                    pgly_raking1, false);
                PGLY_CUT_DATE = g_date->Date();
            }
            break;
        }
        SimpleEvent(g_date->OldDays() + m_first_date, pgly_cattle_out1, false); // non-cutters graze
 
        break;
 
    case pgly_raking1:
        if (PGLY_CUT_DATE + 20 >= g_date->Date()) m_ev->m_lock = true;
        if (m_ev->m_lock || m_farm->DoIt(50))
        {
            if (!m_farm->HayTurning(m_field, 0.0,
                g_date->DayInYear(25, 6) - g_date->DayInYear()))
            {
                SimpleEvent(g_date->Date() + 1, pgly_raking1, true);
                break;
            }
            SimpleEvent(g_date->Date() + 1, pgly_raking2, false);
            break;
        }
        ChooseNextCrop(1);
        SimpleEvent(PGLY_CUT_DATE + 21, pgly_cattle_out1, false);   // 100% of these graze
        break;
 
    case pgly_raking2:
        if (m_ev->m_lock || m_farm->DoIt(25))
        {
            if (!m_farm->HayTurning(m_field, 0.0,
                g_date->DayInYear(26, 6) - g_date->DayInYear())) {
                SimpleEvent(g_date->Date() + 1, pgly_raking2, true);
                break;
            }
        }
        SimpleEvent(g_date->Date() + 1, pgly_compress_straw, false);
        break;
 
    case pgly_compress_straw:
        if (!m_farm->HayBailing(m_field, 0.0,
            g_date->DayInYear(1, 7) - g_date->DayInYear()))
        {
            SimpleEvent(g_date->Date() + 1, pgly_compress_straw, true);
            break;
        }
        // Did compress straw
 
        ChooseNextCrop(1);
 
        SimpleEvent(PGLY_CUT_DATE + 21, pgly_cattle_out1, false);   // 100% of these graze
        break;
 
    case pgly_cattle_out1:
        ChooseNextCrop(1);
 
        if (m_field->GetMConstants(0) == 0) {
            if (!m_farm->CattleOut(m_field, 0.0, -1)) { 
                //raise an error
                g_msg->Warn(WARN_BUG, "PermanentGrassLowYield::Do(): failure in 'CattleOut' execution", "");
                exit(1);
            }
        }
        else {
            if (!m_farm->CattleOut(m_field, 0.0, m_field->GetMDates(1, 0) - g_date->DayInYear())) {
                SimpleEvent(g_date->Date() + 1, pgly_cattle_out1, true);
                break;
            }
        }
        SimpleEvent(g_date->Date() + m_field->GetMConstants(0), pgly_cattle_is_out, false);
        break;
 
    case pgly_cattle_out2:
        if ((m_ev->m_lock || m_farm->DoIt(33)))
        {
            if (m_field->GetMConstants(0) == 0) {
                if (!m_farm->CattleOut(m_field, 0.0, -1)) { //raise an error
                    g_msg->Warn(WARN_BUG, "PermanentGrassLowYield::Do(): failure in 'CattleOut' execution", "");
                    exit(1);
                }
            }
            else {
                if (!m_farm->CattleOut(m_field, 0.0, m_field->GetMDates(1, 0) - g_date->DayInYear())) {
                    SimpleEvent(g_date->Date() + 1, pgly_cattle_out2, true);
                    break;
                }
            }
            // Success
            SimpleEvent(g_date->Date() + m_field->GetMConstants(0), pgly_cattle_is_out, false);
            break;
        }
        //Don't graze - but don't end too early;
        SimpleEvent(g_date->OldDays() + g_date->DayInYear(2, 7), pgly_wait, false);
        break;
 
    case pgly_wait:
        done = true;
        break;
 
    case pgly_cattle_is_out:
        if (m_field->GetMConstants(0) == 0) {
            if (!m_farm->CattleIsOut(m_field, 0.0, -1, m_field->GetMDates(1, 0))) { //raise an error
                //added 28.08 - issue a warning only if we fail on the last day that this can be done, i.e. MDate
                if (g_date->Date() == m_field->GetMDates(1, 0)){
                    g_msg->Warn(WARN_BUG, "PermanentGrassLowYield::Do(): failure in 'CattleIsOut' execution", "");
                    exit(1);
                }
            }
        }
        else {
            if (!m_farm->CattleIsOut(m_field, 0.0, m_field->GetMDates(1, 0) - g_date->DayInYear(), m_field->GetMDates(1, 0))) {
                SimpleEvent(g_date->Date() + 1, pgly_cattle_is_out, true);
                break;
            }
        }
        // if they come in then send them out if too early
        if (g_date->DayInYear() < g_date->DayInYear(10, 9))
        {
            SimpleEvent(g_date->Date() + 1, pgly_cattle_out2, true);
            break;
        }
        SimpleEvent(g_date->OldDays() + g_date->DayInYear(15, 6), pgly_herbicide, false);
        break;
 
    case pgly_herbicide:
        if ((m_ev->m_lock || m_farm->DoIt((int)(5 * cfg_herbi_app_prop.value()  * m_farm->Prob_multiplier()))) && //modified probability
            // --FN--
            (g_date->DayInYear() < g_date->DayInYear(15, 8)))
        {
            //new - for decision making
            TTypesOfVegetation tov = m_field->GetVegType();
            if (!m_ev->m_lock && !m_farm->Spraying_herbicides(tov)){
                Field * pf = dynamic_cast<Field*>(m_field);
                pf->Add_missed_herb_app();
            } //end of the part for dec. making
            else{
                if (!m_farm->HerbicideTreat(m_field, 0.0, g_date->DayInYear(15, 8) - g_date->DayInYear())) {
                    // --FN--
                    SimpleEvent(g_date->Date() + 1, pgly_herbicide, true);
                    break;
                }
            }
        }
        SimpleEvent(g_date->OldDays() + g_date->DayInYear(15, 8),
            pgly_cut_weeds, false);
        break;
 
    case pgly_cut_weeds:
        if ((m_ev->m_lock || m_farm->DoIt(25)) &&
            //--FN--
            (g_date->DayInYear() < g_date->DayInYear(15, 9)))
        {
            if (!m_farm->CutWeeds(m_field, 0.0,
                g_date->DayInYear(15, 9) - g_date->DayInYear())) {
                // --FN--
                SimpleEvent(g_date->Date() + 1, pgly_cut_weeds, true);
                break;
            }
        }
        // END MAIN THREAD
        done = true;
        break;
 
    default:
        g_msg->Warn(WARN_BUG, "PermanantGrassLowYield::Do(): "
            "Unknown event type! ", "");
        exit(1);
    }
    return done;
}