Rabbit.cpp

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/*
*******************************************************************************************************

Copyright (c) 2015, Christopher John Topping, Faarupvej 54, DK-8410 Rønde
ADAMA Makhteshim Ltd., PO Box 60, Beer-Sheva 84100, Israel

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.

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.

The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.

********************************************************************************************************

*/
//#define __RABBITDEBUG
//#define __EnclosureTest   // Used only for testing POM on rabbits in an enclosure (Bayreuth study)

#include <iostream>
#include <fstream>
#include <vector>
#include "../BatchALMaSS/ALMaSS_Setup.h"
#include "../ALMaSSDefines.h"
#include "../Landscape/ls.h"
#include "../BatchALMaSS/PopulationManager.h"
#include "../Rabbit/Rabbit.h"
#include "../Rabbit/Rabbit_Population_Manager.h"
#include "../BatchALMaSS/BoostRandomGenerators.h"

using namespace std;

// Externs

extern boost::variate_generator<base_generator_type&, boost::uniform_real<> > g_rand_uni;
extern MapErrorMsg *g_msg;
extern int g_rabbitexploredistance;
extern int g_land_width;

extern CfgBool cfg_RabbitUseReproOutput;
extern CfgBool cfg_RabbitUseNatalDispersalRecord;
extern CfgInt cfg_RabbitUseNatalDispersalRecordAge;
extern CfgBool l_pest_enable_pesticide_engine;
extern CfgInt cfg_rabbitdensitydependencedelay;

int g_counter = 0;

static CfgFloat cfg_young_base_mort("RABBIT_YOUNGBASEMORT",CFG_CUSTOM,0.038);
static CfgFloat cfg_juvenile_base_mort("RABBIT_JUVENILEBASEMORT",CFG_CUSTOM,0.004);
static CfgFloat cfg_adult_base_mort("RABBIT_ADULTBASEMORT",CFG_CUSTOM,0.00013);
CfgFloat cfg_maxForageHeight("RABBIT_MAXFORAGEHEIGHT", CFG_CUSTOM, 30.0);
CfgFloat cfg_minForageDigestability("RABBIT_MINFORAGEDIGESTABILITY", CFG_CUSTOM, 0.50); // range 0.5 to 0.8
CfgFloat cfg_dispersalmortperm("RABBIT_DISPERSALMORTPERM", CFG_CUSTOM, 0.0002); 
CfgFloat cfg_RabbitPesticideResponse("RABBIT_PESTICDERESPONSETHRESHOLD",CFG_CUSTOM, 0.00001);
CfgFloat cfg_globaldisease_probability("RABBIT_GLOBALDISEASEPROBCONSTANT", CFG_CUSTOM, 0.05); 
CfgInt cfg_rabbitdiggingtime("RABBIT_DIGGINGTIME", CFG_CUSTOM, 10);
CfgFloat cfg_rabbitdendepscaler("RABBIT_DENSITYDEPSCALER", CFG_CUSTOM, 4.5); // 2 adults and 5.5 kits
static CfgFloat cfg_forageareamortscaler("RABBIT_FORAGEAREAMORTSCALER", CFG_CUSTOM, 60.0);
CfgFloat cfg_rabbitminkits("RABBIT_MINKITS", CFG_CUSTOM, 1.0);
CfgFloat cfg_rabbitmaxkits("RABBIT_MAXKITS", CFG_CUSTOM, 9.6);
static CfgFloat cfg_rabbitsocialreproductionthreshold( "RABBIT_SOCIALREPROTHRESHOLD", CFG_CUSTOM, 2.3 );
static CfgFloat cfg_rabbitminwarrensize( "RABBIT_MINWARRENSIZE", CFG_CUSTOM, 2 );
static CfgFloat cfg_rabbitmaxwarrensize( "RABBIT_MAXWARRENSIZE", CFG_CUSTOM, 10 );
static CfgFloat cfg_litterabsorptionconstant( "RABBIT_LITTERABSOPRTIONCONST", CFG_CUSTOM, 1.8 );
CfgFloat cfg_rabbit_pesticidedegradationrate( "RABBIT_PESTICIDEDEGRADATIONRATE", CFG_CUSTOM, 0.0 );
// Assign the static variables - NB this will just assign the defaults
double Rabbit_Base::m_pesticidedegradationrate = cfg_rabbit_pesticidedegradationrate.value(); // default of 0.0 will remove all body burden pesticide at the end of each day
double Rabbit_Warren::m_maxForageHeight = cfg_maxForageHeight.value();
double Rabbit_Warren::m_minForageDigestability = cfg_minForageDigestability.value();
double Rabbit_Base::m_dispersalmortperm = cfg_dispersalmortperm.value();
double Rabbit_Female::m_MinKitsNo = cfg_rabbitminkits.value();
double Rabbit_Female::m_MaxKitsNo = cfg_rabbitmaxkits.value() - cfg_rabbitminkits.value(); // Here we actually use the difference to calculate range
// End static assigns

//********************************************************************************************************************
//*********************************************RabbitMemory***********************************************************
//********************************************************************************************************************

RabbitMemory::RabbitMemory()
{
    m_MyMemory.resize(0);
}

void RabbitMemory::Update()
{
    for(vector<RabbitMemoryLocation>::iterator it = m_MyMemory.begin(); it != m_MyMemory.end(); ++it) 
    {
        if ((*it).m_decay-- < 1) m_MyMemory.erase(it);
    }
}

void RabbitMemory::AddMemory( RabbitMemoryLocation a_mem)
{
    a_mem.m_decay=100; // Assuming 100 days memory
    m_MyMemory.push_back(a_mem);
}

RabbitMemoryLocation RabbitMemory::GetBestLocation( void )
{
    vector<RabbitMemoryLocation>::iterator best;
    int score = -1;
    for(vector<RabbitMemoryLocation>::iterator it = m_MyMemory.begin(); it != m_MyMemory.end(); ++it) 
    {
        if ((*it).m_quality > score) best=it;
    }
    return (*best);
}

//********************************************************************************************************************
//                                     Rabbit_Base
//********************************************************************************************************************

Rabbit_Base::Rabbit_Base(int p_x, int p_y, int p_x2, int p_y2, Landscape* p_L, Rabbit_Population_Manager* p_NPM, Rabbit_Warren* a_warren) : TAnimal(p_x, p_y, p_L)
{
    // Assign the pointer to the population manager
    m_OurPopulationManager = p_NPM;
    m_CurrentRState = toRabbits_InitialState;
    m_haveBurrow = false;
    m_myWarren = a_warren;
    m_born_location.m_x = p_x2;
    m_born_location.m_y = p_y2;
    if (m_myWarren != NULL) m_myWarren->Join(this);
    m_pesticideInfluenced1 = false;
    m_pesticide_burden = 0.0;
}
//---------------------------------------------------------------------------

Rabbit_Base::~Rabbit_Base(void)
{
    if (m_myWarren != NULL ) m_myWarren->Leave(this);
}
//---------------------------------------------------------------------------

void Rabbit_Base::BeginStep( void ) {
    if (m_Age == cfg_RabbitUseNatalDispersalRecordAge.value()) if (cfg_RabbitUseNatalDispersalRecord.value()) m_OurPopulationManager->NatalDispersalRecordOutput( this );
}
//---------------------------------------------------------------------------

void Rabbit_Base::st_Dying( void )
{
    m_CurrentStateNo = -1; // this will kill the animal object and free up space
    m_StepDone = true;
}
//---------------------------------------------------------------------------

inline  bool Rabbit_Base::MortalityTest(double a_prop) 
{ 
    if (g_rand_uni() < a_prop) return true; 
        else return false; 
}
//---------------------------------------------------------------------------

bool Rabbit_Base::WalkTo(int a_x, int a_y) 
{ 
    int dist = abs(a_x-m_Location_x) + abs(a_y-m_Location_y);
    double prob = dist * m_dispersalmortperm;
    m_Location_x = a_x;
    m_Location_y = a_y;
    if (g_rand_uni() > prob) return true; 
        else 
        {
            st_Dying();
            g_counter++;
            return false; 
        }
}
//---------------------------------------------------------------------------

//********************************************************************************************************************
//                                     Rabbit_Young
//********************************************************************************************************************

Rabbit_Young::Rabbit_Young(int p_x, int p_y, int p_x2, int p_y2, Rabbit_Female* a_mum, Landscape* p_L, Rabbit_Population_Manager* p_NPM, Rabbit_Warren* a_warren) : Rabbit_Base(p_x, p_y, p_x2, p_y2, p_L, p_NPM, a_warren)
{
    m_Age=0;
    m_weightAge = 0;
    m_weight = 0;
    m_MyMortChance = cfg_young_base_mort.value();
    m_RabbitType = rob_Young;
    m_Mum = a_mum;
    m_FedToday = true;
}
//---------------------------------------------------------------------------

Rabbit_Young::~Rabbit_Young(void)
{
    ; // Nothing to do
}
//---------------------------------------------------------------------------

void Rabbit_Young::st_Dying( void )
{
    /*
    * Only differs from base states by the need to tell the mother that they are dead (if she exists).
    */
    if (m_Mum!=NULL) m_Mum->OnYoungDeath(this);
    m_CurrentStateNo = -1; // this will kill the animal object and free up space
    m_StepDone = true;
}
//---------------------------------------------------------------------------


TTypeOfRabbitState Rabbit_Young::st_Develop( void )
{
    m_Age++;
    if (MortalityTest(m_MyMortChance))
    {
        return toRabbits_Die; // m_MyMortChance% chance of death
    }
    if (ShouldMature()) return toRabbits_Weaning;
    if (m_OurPopulationManager->GetForageDay()) m_weightAge++;
    m_weight = m_OurPopulationManager->GetGrowth( m_weightAge );
    return toRabbits_Develop;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Young::st_BecomeJuvenile()
{
    struct_Rabbit sR;
    sR.m_NPM = m_OurPopulationManager;
    sR.m_L = m_OurLandscape;
    sR.m_age = m_Age;
    sR.m_weightage = m_weightAge;
    sR.m_x = m_Location_x;
    sR.m_y = m_Location_y;
    sR.m_x2 = m_born_location.m_x;
    sR.m_y2 = m_born_location.m_y;
    sR.m_Warren = m_myWarren;
    sR.m_rabbit = this;
    if (m_Mum != NULL ) m_Mum->Weaned(this);
    m_OurPopulationManager->CreateObjects(rob_Juvenile,this->m_Mum,&sR,1); // 
    return toRabbits_Remove; // Used to remove the object without causing other system effects
}
//---------------------------------------------------------------------------

void Rabbit_Young::BeingStep(void)
{
    Rabbit_Base::BeginStep();
    m_FedToday = false;
}
//---------------------------------------------------------------------------

void Rabbit_Young::Step(void)
{
    if (m_StepDone || m_CurrentStateNo == -1) return;
    switch (m_CurrentRState)
    {
    case toRabbits_InitialState: // Initial state always starts with develop
        m_CurrentRState=toRabbits_Develop;
        break;
    case toRabbits_Develop:
        m_CurrentRState=st_Develop(); // Will return movement or die
        m_StepDone=true;
        break;
    case toRabbits_Weaning:
        m_CurrentRState=st_BecomeJuvenile(); // Will return develop
        m_StepDone=true;
        break;
    case toRabbits_Die:
        st_Dying(); // No return value - no behaviour after this
        m_StepDone=true;
        break;
    case toRabbits_Remove:
        m_CurrentStateNo = -1;
        m_StepDone=true;
        break;
    default:
        m_OurLandscape->Warn("Rabbit_Young::Step()","unknown state - default");
        exit(1);
    }
}
//---------------------------------------------------------------------------

void Rabbit_Young::EndStep(void)
{
    /*
    * Controls death by starvation if under solid food age, currently set at 3 weeks. If this happens then a message is sent to mum if she still exists.
    
    */
    if ((m_FedToday == false) && (m_Age <= 21))
    {
        m_CurrentRState = toRabbits_Die;
        if (m_Mum != NULL) m_Mum->OnYoungDeath( this );
    }

}
//---------------------------------------------------------------------------

bool Rabbit_Young::ShouldMature( void )
{
    if (m_Age>=30) return true;
    return false;
}

//********************************************************************************************************************
//                                     Rabbit_Juvenile
//********************************************************************************************************************

Rabbit_Juvenile::Rabbit_Juvenile(int p_x, int p_y, int p_x2, int p_y2, Rabbit_Female* p_M, Landscape* p_L, Rabbit_Population_Manager* p_NPM, int a_age, int a_weightage, Rabbit_Warren* a_warren) : Rabbit_Young(p_x, p_y, p_x2, p_y2, p_M, p_L, p_NPM, a_warren)
{
    m_Age = a_age;
    m_weightAge = a_weightage;
    m_weight = m_OurPopulationManager->GetGrowth( a_weightage );
    m_RabbitType = rob_Juvenile;
    if (a_warren != NULL) a_warren->RabbitProductionRecord(rob_Juvenile, 1);
    m_MyMortChance = cfg_juvenile_base_mort.value();
}
//---------------------------------------------------------------------------

Rabbit_Juvenile::~Rabbit_Juvenile(void)
{
    ;
}
//---------------------------------------------------------------------------

void Rabbit_Juvenile::st_Dying( void )
{
    m_CurrentStateNo = -1; // this will kill the animal object and free up space
    m_StepDone = true;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Juvenile::st_Develop( void )
{
    m_Age++;
    if (ShouldMature()) return toRabbits_Mature;
    if (m_OurPopulationManager->GetForageDay()) m_weightAge++;
    m_weight = m_OurPopulationManager->GetGrowth( m_weightAge );
    return toRabbits_Explore;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Juvenile::st_Explore( void )
{
    return toRabbits_Develop;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Juvenile::st_BecomeAdult()
{
    struct_Rabbit sR;
    sR.m_NPM = m_OurPopulationManager;
    sR.m_L = m_OurLandscape;
    sR.m_age = m_Age;
    sR.m_weightage = m_weightAge;
    sR.m_x = m_Location_x;
    sR.m_y = m_Location_y;
    sR.m_x2 = m_born_location.m_x;
    sR.m_y2 = m_born_location.m_y;
    sR.m_Warren = m_myWarren;
    if (g_rand_uni()<0.4854) m_OurPopulationManager->CreateObjects(rob_Male,NULL,&sR,1); // 100:106 M:F ratio (Brambell (1942) & Stephens (1952)) 
    else m_OurPopulationManager->CreateObjects(rob_Female,NULL,&sR,1); 
    return toRabbits_Remove; 
}
//---------------------------------------------------------------------------

void Rabbit_Juvenile::Step(void)
{
    if (m_StepDone || m_CurrentStateNo == -1) return;
    switch (m_CurrentRState)
    {
     case toRabbits_InitialState: // Initial state always starts with develop
         m_CurrentRState=toRabbits_Foraging;
         break;
     case toRabbits_Develop:
         m_CurrentRState=st_Develop(); // Will return movement or die
         if (m_CurrentRState==toRabbits_Develop) m_StepDone=true;
         break;
     case toRabbits_Mature:
         m_CurrentRState=st_BecomeAdult(); 
         break;
     case toRabbits_Foraging:
         m_CurrentRState = st_Forage();
         break;
     case toRabbits_Die:
         st_Dying(); // No return value - no behaviour after this
         m_StepDone=true;
         break;
     case toRabbits_Explore:
         m_CurrentRState=st_Explore();
         m_StepDone=true;
         break;
     case toRabbits_Remove:
         m_CurrentStateNo = -1;
         m_StepDone=true;
         break;
     default:
         m_OurLandscape->Warn("Rabbit_Juvenile::Step()","unknown state - default");
         exit(1);
    }
}
//---------------------------------------------------------------------------

void Rabbit_Juvenile::EndStep(void)
{
    if (m_CurrentStateNo == -1) return; // Already dead
    double mult = 1.0;
    if (m_myWarren != NULL)
    {
        mult = m_myWarren->GetDailyMortalityChanceJ();
    }
    if (MortalityTest(m_MyMortChance * mult))
    {
        m_CurrentRState = toRabbits_Die;
        st_Dying(); // m_MyMortChance% chance of death
        return;
    }
    // Deal with pesticides if necessary
    if (m_pesticide_burden>0) InternalPesticideHandlingAndResponse();
}
//---------------------------------------------------------------------------

bool Rabbit_Juvenile::ShouldMature( void )
{
    if (m_weightAge>=105) return true; // Development linked to weight gain
    return false;
}
//---------------------------------------------------------------------------

//********************************************************************************************************************
//                                     Rabbit_Adult
//********************************************************************************************************************

Rabbit_Adult::Rabbit_Adult(int p_x, int p_y, int p_x2, int p_y2, Landscape* p_L, Rabbit_Population_Manager* p_NPM, int a_age, int a_weightage, Rabbit_Warren* a_warren) : Rabbit_Base(p_x, p_y, p_x2, p_y2, p_L, p_NPM, a_warren)
{
    m_Age = a_age;
    m_weightAge = a_weightage;
    m_weight = m_OurPopulationManager->GetGrowth( a_weightage );
    m_lifespan = int ( (730.0*g_rand_uni()) + 4.5*365); // This allows for the maximum age found by Rodel et al in the German study.
    //m_lifespan = 6.5 * 365; // This allows for the maximum age found by Rodel et al in the German study.
    SetSocialStatus( rabbit_socialstatus_zero ); // Default not dominant
    m_digging = -1;
    m_myMate = NULL;
    m_MyMortChance = cfg_adult_base_mort.value();
}
//---------------------------------------------------------------------------

Rabbit_Adult::~Rabbit_Adult(void)
{
    ;
}
//---------------------------------------------------------------------------

void Rabbit_Adult::EndStep( void ) {
    if (m_CurrentStateNo == -1) return; // Already dead
    double mult = 1.0;
    if (m_myWarren != NULL) {
        mult = m_myWarren->GetDailyMortalityChanceA();
    }
    // Mortality depends on the social status
    int mult2 = (rabbit_socialstatus_dominant - m_socialstatus);
    mult *= mult2;
    if (MortalityTest( m_MyMortChance * mult )) {
        m_CurrentRState = toRabbits_Die;
        st_Dying(); // m_MyMortChance% chance of death
        return;
    }
    if (++m_Age > m_lifespan) {
        m_CurrentRState = toRabbits_Die;
        st_Dying();
        return;
    }
    if (m_digging > -1)
        // We are digging a burrow
    {
#ifdef __RABBITDEBUG
        if (m_myMate != NULL) {
            if (m_myMate->GetHasBurrow()) {
                int rubbish = 0;
            }
        }
#endif
        if (--m_digging < 0)
            // Finished digging
        {
            m_myWarren->OccupyNewBurrow();
            SetHasBurrow( true );
            SetSocialStatus( rabbit_socialstatus_subdominant );
            if (m_myMate != NULL) m_myMate->OnMateFinishedDigging( this );
        }
    }
    if (m_OurPopulationManager->GetForageDay()) m_weightAge++;
    m_weight = m_OurPopulationManager->GetGrowth( m_weightAge );
    // Deal with pesticides if necessary
    if (m_pesticide_burden>0) InternalPesticideHandlingAndResponse();
}
//---------------------------------------------------------------------------

void Rabbit_Adult::SetMate( Rabbit_Adult* a_mate )
{
#ifdef __RABBITDEBUG
    if (a_mate->GetRabbitType() == m_RabbitType)
    {
         m_OurLandscape->Warn("Rabbit_Adult::SetMate","homosexual rabbit!");
         exit(1);
    }
    if (m_myMate != NULL)
    {
         m_OurLandscape->Warn("Rabbit_Adult::SetMate","rabbit bigamy!");
         exit(1);
    }
#endif
    m_myMate = a_mate; 
}
//---------------------------------------------------------------------------

void Rabbit_Adult::OnMateFinishedDigging( Rabbit_Adult* a_mate )
{
#ifdef __RABBITDEBUG
    if (a_mate->GetRabbitType() == m_RabbitType)
    {
         m_OurLandscape->Warn("Rabbit_Adult::OnMateFinishedDigging","homosexual rabbit!");
         exit(1);
    }
    if ((m_myMate != a_mate) && (m_CurrentRState != toRabbits_Die))
    {
         m_OurLandscape->Warn("Rabbit_Adult::OnMateFinishedDigging","rabbit bigamy, mate not recognised!");
         exit(1);
    }
    if (m_digging < 0) {
        int rubbish = 0;
    }
    if (m_haveBurrow) {
        int rubbish = 0;
    }
#endif
        SetDigging(-1); 
        SetHasBurrow(true);
        SetSocialStatus( rabbit_socialstatus_subdominant );
#ifdef __RABBITDEBUG
        m_myWarren->DEBUG_InternalTest();
#endif
}
//---------------------------------------------------------------------------

void Rabbit_Adult::OnMateDead( Rabbit_Adult* a_mate )
{
#ifdef __RABBITDEBUG
    if (a_mate->GetRabbitType() == m_RabbitType)
    {
         m_OurLandscape->Warn("Rabbit_Adult::OnMateDead","homosexual rabbit!");
         exit(1);
    }
    if ((m_myMate != a_mate) && (m_CurrentRState != toRabbits_Die))
    {
         m_OurLandscape->Warn("Rabbit_Adult::OnMateDead","rabbit bigamy, mate not recognised!");
         exit(1);
    }
#endif
        m_myMate = NULL; 
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Juvenile::st_Forage( void )
{
    if (m_myWarren != NULL) m_pesticide_burden += m_myWarren->GetForagePesticide();
    return toRabbits_Explore;
}
//---------------------------------------------------------------------------

void Rabbit_Adult::st_Dying( void )
{
    if ( m_myWarren != NULL )
    {
        m_myWarren->Leave(this);
    }
    if (m_myMate != NULL) 
    {
        m_myMate->OnMateDead( this );
        m_myMate = NULL;
    }
    m_CurrentStateNo = -1; // this will kill the animal object and free up space
    m_StepDone = true;
}
//---------------------------------------------------------------------------


//********************************************************************************************************************
//                                     Rabbit_Male
//********************************************************************************************************************

Rabbit_Male::Rabbit_Male(int p_x, int p_y, int p_x2, int p_y2, Landscape* p_L, Rabbit_Population_Manager* p_NPM, int a_age, int a_weightage, Rabbit_Warren* a_warren) : Rabbit_Adult(p_x, p_y, p_x2, p_y2, p_L, p_NPM, a_age, a_weightage, a_warren)
{
    m_RabbitType = rob_Male;
    if (a_warren != NULL) a_warren->RabbitProductionRecord(rob_Male, 1);
}
//---------------------------------------------------------------------------

Rabbit_Male::~Rabbit_Male(void)
{
    ;
}
//---------------------------------------------------------------------------

void Rabbit_Male::Step(void)
{
    if (m_StepDone || m_CurrentStateNo == -1) return;
    switch (m_CurrentRState)
    {
     case toRabbits_InitialState: // Initial state always starts with develop
         m_CurrentRState=toRabbits_Foraging;
         break;
     case toRabbits_EvaluateTerritory: // Initial state always starts with develop
         m_CurrentRState=st_EvaluateTerritory();
         m_StepDone=true;
         break;
     case toRabbits_Foraging:
         m_CurrentRState=st_Forage();
         break;
     case toRabbits_Die:
         st_Dying(); // No return value - no behaviour after this
         m_StepDone=true;
         break;
     case toRabbits_Remove:
         m_CurrentStateNo = -1;
         m_StepDone=true;
         break;
     default:
         m_OurLandscape->Warn("Rabbit_Male::Step()","unknown state - default");
         exit(1);
    }
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Male::st_Forage(void)
{
    if (m_myWarren != NULL) m_pesticide_burden+= m_myWarren->GetForagePesticide();
    return toRabbits_EvaluateTerritory;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Male::st_EvaluateTerritory( void ) {
    if (m_socialstatus > rabbit_socialstatus_subordinate) return toRabbits_Foraging; // Do it all again tomorrow, we are at the top or near the top of the heap in social terms
    if (m_myMate != NULL) {
#ifdef __RABBITDEBUG
        if (m_digging < 0) {
            int rubbish = 0;
        }
        if (m_haveBurrow) {
            int rubbish = 0;
        }
#endif
        return toRabbits_Foraging; // Must be digging a burrow
    }

    if (m_myWarren == NULL) {
        // Must find a warren - finds the closest - NB this code should not often be used, so efficiency here has not been optimised
        Rabbit_Warren* aRW = m_OurPopulationManager->FindClosestWarren( m_Location_x, m_Location_y, 1 );
        bool survived = WalkTo( aRW->Supply_m_Location_x(), aRW->Supply_m_Location_y() );
        if (!survived) return toRabbits_Die;
        if (aRW->IsFreeFemale()) {
            aRW->JoinNMate( this, rob_Female );
        }
        else {
            int burrow = aRW->IsFreeBurrow();
            if (burrow == 1) {
                aRW->JoinNOccupy( this );
            }
            else
                if (burrow == 2) {
                    aRW->OccupyWarren( this );
                }
        }
        return toRabbits_Foraging;
    }
    else if (m_myWarren->IsFreeFemale()) {
        m_myWarren->Mate( this, rob_Female );
    }
    else if (m_myWarren->IsFreeBurrow() == 1) {
        m_myWarren->OccupyBurrow( );
        SetDigging( -1 );
        SetSocialStatus( rabbit_socialstatus_subdominant );
        SetHasBurrow( true );
    }
    else    if (m_digging > 0) {
        return toRabbits_Foraging;
    }
    else
    {
        Rabbit_Warren* aWarren = m_myWarren->GetNetworkWarren();
        if (aWarren != NULL) {
            if (aWarren->IsFreeFemale()) {
                bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                if (!survived) return toRabbits_Die;
                m_myWarren->Leave( this );
                aWarren->JoinNMate( this, rob_Female );
            }
            else {
                int burrows = aWarren->IsFreeBurrow();
                if (burrows == 1) {
                    bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                    if (!survived) return toRabbits_Die;
                    m_myWarren->Leave( this );
                    aWarren->JoinNOccupy( this );
                    m_socialstatus = rabbit_socialstatus_subdominant;
                }
                else if (burrows == 2) {
                    bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                    if (!survived) return toRabbits_Die;
                    m_myWarren->Leave( this );
                    aWarren->OccupyWarren( this );
                    m_socialstatus = rabbit_socialstatus_subordinate; // Can dig a burrow but don't have one
                }
                else {
                    // No room but we may need to move anyway
                    int c = m_myWarren->GetCarryingCapacity();
                    int n = m_myWarren->GetPopulationSize() - (c * 2);  // c is number of pairs, but there are 2 + a litter (average 6) as a minimum
                    double occupation = n / (double)c;
                    if (g_rand_uni() < occupation) {
                        bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                        if (!survived) return toRabbits_Die;
                        m_myWarren->Leave( this );
                        aWarren->Join( this );
                        SetDigging( -1 );
                        m_socialstatus = rabbit_socialstatus_zero;
                    }
                }
            }
        }
    }
    return toRabbits_Foraging; // Do it all again tomorrow
}
//---------------------------------------------------------------------------


//********************************************************************************************************************
//                                     Rabbit_Female
//********************************************************************************************************************

Rabbit_Female::Rabbit_Female(int p_x, int p_y, int p_x2, int p_y2, Landscape* p_L, Rabbit_Population_Manager* p_NPM, int a_age, int a_weightage, Rabbit_Warren* a_warren) : Rabbit_Adult(p_x, p_y, p_x2, p_y2, p_L, p_NPM, a_age, a_weightage, a_warren)
{
    m_RabbitType = rob_Female;
    if (a_warren != NULL) a_warren->RabbitProductionRecord(rob_Female, 1);
    m_lactating = false;
    m_pregnant = false;
    m_gestationcounter = 0;
    m_myLitterSize = 0;
    m_MyOffspring = 0;
    m_MyTotalLitters = 0;
#ifdef __RABBITDEBUG
 if (m_myWarren != NULL) if (m_myWarren->IsMember(this)==false)
 {
         m_OurLandscape->Warn("Rabbit_Female::Rabbit_Female","not a member of our warren");
         exit(1);
 }
#endif
}
//---------------------------------------------------------------------------

Rabbit_Female::~Rabbit_Female(void)
{
    ;
}
//---------------------------------------------------------------------------

void Rabbit_Female::Step(void)
{
    if (m_StepDone || m_CurrentStateNo == -1) return;
    switch (m_CurrentRState)
    {
     case toRabbits_InitialState: // Initial state always starts with develop
         m_CurrentRState=toRabbits_Foraging;
         break;
     case toRabbits_Foraging:
         m_CurrentRState=st_Forage();
         m_StepDone = true;
         break;
     case toRabbits_EvaluateTerritory: // Initial state always starts with develop
         m_CurrentRState=st_EvaluateTerritory();
         break;
     case toRabbits_UpdateBreedingStatus:
         m_CurrentRState=st_UpdateBreedingStatus();
         break;
     case toRabbits_Gestation:
         m_CurrentRState=st_Gestating();
         break;
     case toRabbits_GiveBirth:
         m_CurrentRState=st_GiveBirth();
         break;
     case toRabbits_Lactating:
         m_CurrentRState=st_Lactating();
         break;
     case toRabbits_Die:
         st_Dying(); // No return value - no behaviour after this
         m_StepDone=true;
         break;
     case toRabbits_Remove:
         m_CurrentStateNo = -1;
         m_StepDone=true;
         break;
     default:
         m_OurLandscape->Warn("Rabbit_Female::Step()","unknown state - default");
         exit(1);
    }
}
//---------------------------------------------------------------------------

void Rabbit_Female::st_Dying( void )
{
    for(int l=0; l<m_myLitterSize; l++) 
    {
        m_myLitter[l]->OnMumDead();
    }
    if (m_socialstatus == rabbit_socialstatus_dominant) {
        m_myWarren->ChooseNewDominant();
    }
    // Record our repro output if needed
    if (cfg_RabbitUseReproOutput.value()) m_OurPopulationManager->ReproOutputRecordOutput(this);
    Rabbit_Adult::st_Dying();
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Female::st_EvaluateTerritory( void ) {
    // We need to manage our annual repro info
    int today = m_OurLandscape->SupplyGlobalDate();
    for (int l = static_cast<int>(m_AnnualLitters.size()-1); l >= 0; l--) {
        if (today - m_AnnualLitters[ l ] > 365) {
            m_AnnualLitters.erase( m_AnnualLitters.begin() + (l) );
        }
    }
#ifdef __RABBITDEBUG
    if (m_myWarren != NULL)
    {
        if (m_myWarren->IsMember( this ) == false) {
            m_OurLandscape->Warn( "Rabbit_Female::st_EvaluateTerritory", "not a member of our warren" );
            exit( 1 );
        }
    }
#endif
    if (m_socialstatus > rabbit_socialstatus_subordinate) {
#ifdef __RABBITDEBUG
        if (m_myMate != NULL) {
            int rubbish = 0;
        }
#endif
        return toRabbits_UpdateBreedingStatus; // No need to check the rest we have it all
    }
    // Update breeding status needs StepDone == false, but otherwise we need to set StepDone here.
    m_StepDone = true;
    if (m_myMate != NULL) {
        return toRabbits_Foraging; // Must be digging a burrow
    }
    if (m_myWarren == NULL) {
        Rabbit_Warren* aRW = m_OurPopulationManager->FindClosestWarren( m_Location_x, m_Location_y, 1 );
        bool survived = WalkTo( aRW->Supply_m_Location_x(), aRW->Supply_m_Location_y() );
        if (!survived) return toRabbits_Die;
        if (aRW->IsFreeMale()) {
            aRW->JoinNMate( this, rob_Male );
        }
        else {
            int burrow = aRW->IsFreeBurrow();
            if (burrow == 1) {
                aRW->JoinNOccupy( this );
            }
            else
                if (burrow == 2) {
                    aRW->OccupyWarren( this );
                }

        }
        return toRabbits_Foraging;
    }
    // We have a warren but no mate or burrow
    else if (m_myWarren->IsFreeMale()) {
        m_myWarren->Mate( this, rob_Male );
    }
    else if (m_myWarren->IsFreeBurrow() == 1) {
        m_myWarren->OccupyBurrow( );
        SetDigging( -1 );
        SetSocialStatus( rabbit_socialstatus_subdominant );
        SetHasBurrow( true );
    }
    else    if (m_digging > 0) {
        return toRabbits_Foraging;
    }
    else
    {
        Rabbit_Warren* aWarren = m_myWarren->GetNetworkWarren();
        if (aWarren != NULL) {
            if (aWarren->IsFreeMale()) {
                bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                if (!survived) return toRabbits_Die;
                m_myWarren->Leave( this );
                aWarren->JoinNMate( this, rob_Male );
            }
            else {
                int burrows = aWarren->IsFreeBurrow();
                if (burrows == 1) {
                    bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                    if (!survived) return toRabbits_Die;
                    m_myWarren->Leave( this );
                    aWarren->JoinNOccupy( this );
                    m_socialstatus = rabbit_socialstatus_subdominant;
                }
                else if (burrows == 2) {
                    bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                    if (!survived) return toRabbits_Die;
                    m_myWarren->Leave( this );
                    aWarren->OccupyWarren( this );
                    m_socialstatus = rabbit_socialstatus_subdominant;
                }
                else {
                    // No room but we may need to move anyway
                    double dispersalchance = m_myWarren->GetAvailableForage()/5.0;
                    if (g_rand_uni() < dispersalchance) {
                        bool survived = WalkTo( aWarren->Supply_m_Location_x(), aWarren->Supply_m_Location_y() );
                        if (!survived) return toRabbits_Die;
                        m_myWarren->Leave( this );
                        aWarren->Join( this );
                        SetDigging( -1 );
                        m_socialstatus = rabbit_socialstatus_zero;
                    }
                }
            }
        }
    }
#ifdef __RABBITDEBUG
    if (m_myWarren != NULL) if (m_myWarren->IsMember( this ) == false) {
        m_OurLandscape->Warn( "Rabbit_Female::st_EvaluateTerritory", "not a member of our warren" );
        exit( 1 );
    }
#endif
    return toRabbits_Foraging; // Do it all again tomorrow
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Female::st_UpdateBreedingStatus( void )
{
    if (m_OurPopulationManager->IsBreedingSeason()) 
    {
        // Do we have a litter on the way?
        if (m_pregnant) 
        {
            return toRabbits_Gestation;
        }
        else 
        {
            // Not pregnant but breeding season so check if there is a mate.
            if (m_myMate != NULL)
            {
                m_pregnant = true;
                m_gestationcounter = 0;
            }
            else if (m_myWarren->IsFreeMale())
            {
                m_myWarren->Mate( this, rob_Male );
            }
        }
        return toRabbits_Foraging;
    }
    // Not breeding season but may have young
    if (m_lactating) return toRabbits_Lactating;
    else
    {
        m_gestationcounter = 0;
        return toRabbits_Foraging;
    }
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Female::st_Forage( void ) {
    if (m_myWarren != NULL) m_pesticide_burden += m_myWarren->GetForagePesticide();
    return toRabbits_EvaluateTerritory;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Female::st_GiveBirth( void ) {
    if (m_myLitterSize > 0) {
        for (int l = 0; l < m_myLitterSize; l++) {
            m_myLitter[ l ]->OnEvicted();
            m_myLitter[ l ] = NULL;
        }
        m_myLitterSize = 0;
    }
    if (!m_pesticideInfluenced1) {
        // Here we take both social status and weight into account
        if (m_socialstatus != rabbit_socialstatus_dominant) {
            if (((double)m_socialstatus*g_rand_uni()* (m_weightAge / 300.0) < cfg_rabbitsocialreproductionthreshold.value())) return toRabbits_Foraging;
        }
        int kits = 0;
        // Here we have a test for re-abosorption of the litter depending on forage conditions. Low forage high chance of re-absorption
        if (g_rand_uni() > m_myWarren->GetLitterReabsortionConst()) {
            struct_Rabbit* sR = new struct_Rabbit;
            sR->m_age = 0;
            sR->m_L = m_OurLandscape;
            sR->m_NPM = m_OurPopulationManager;
            sR->m_x = m_Location_x;
            sR->m_y = m_Location_y;
            sR->m_x2 = m_Location_x;
            sR->m_y2 = m_Location_y;
            sR->m_Warren = m_myWarren;
            kits = CalcLitterSize();
            m_OurPopulationManager->CreateObjects( rob_Young, this, sR, kits );
            m_myWarren->RabbitProductionRecord( rob_Young, kits );
            delete sR;
        }
        if (kits > 0) {
            m_lactating = true;
            // Record our success
            m_MyTotalLitters++;
            m_MyOffspring += kits;
            // We also need to manage our annual repro info
            m_AnnualLitters.push_back( m_OurLandscape->SupplyGlobalDate() );
        }
    }
    else {
        m_pesticideInfluenced1 = false; // Reset the pesticide flag since we lost the litter
        m_OurPopulationManager->PesticideDeathRecord( rob_Young );
    }
    if (m_OurPopulationManager->IsBreedingSeason()) {
        if (m_myMate != NULL) {
            m_pregnant = true;
            m_gestationcounter = 0;
        }
    }
    return toRabbits_Foraging;
}
//---------------------------------------------------------------------------

int Rabbit_Female::CalcLitterSize( void )
{
    return int(floor(m_MinKitsNo + g_rand_uni() * m_MaxKitsNo));
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Female::st_Lactating( void )
{
    for(int lit=0; lit<m_myLitterSize; lit++) 
    {
        m_myLitter[lit]->OnFed();
    }
    return toRabbits_Foraging;
}
//---------------------------------------------------------------------------

TTypeOfRabbitState Rabbit_Female::st_Gestating( void )
{
    m_gestationcounter++;
    if (m_gestationcounter >= 30) {
        return toRabbits_GiveBirth;
    }
    if (m_lactating) return toRabbits_Lactating;
    return toRabbits_Foraging;
}
//---------------------------------------------------------------------------

void Rabbit_Female::OnYoungDeath(Rabbit_Young* a_young)
{
    for(int l=0; l<m_myLitterSize; l++) 
    {
        if (m_myLitter[l] == a_young)
        {
            for (int n=l; n<m_myLitterSize; n++)
            {
                m_myLitter[n] = m_myLitter[n+1];
            }
            m_myLitter[--m_myLitterSize] = NULL;
            if (m_myLitterSize == 0) m_lactating = false;
            return;
        }
    }
    // If we get here there is an error
    m_OurLandscape->Warn("Rabbit_Female::OnYoungDeath","unknown litter member");
    exit(1);
}
//---------------------------------------------------------------------------

void Rabbit_Female::Weaned(Rabbit_Young* a_young)
{
    for(int l=0; l<m_myLitterSize; l++) 
    {
        if (m_myLitter[l] == a_young)
        {
            for (int n=l; n<m_myLitterSize; n++)
            {
                m_myLitter[n] = m_myLitter[n+1];
            }
            m_myLitter[--m_myLitterSize] = NULL;
            if (m_myLitterSize == 0) m_lactating = false;
            return;
        }
    }
    // If we get here there is an error
    m_OurLandscape->Warn("Rabbit_Female::Weaned","unknown litter member");
    exit(1);
}
//---------------------------------------------------------------------------

//*************************************************************************************
//**************** PESTICIDE RESPONSE CODE FOR ALL RABBIT CLASSES IS HERE *************
//*************************************************************************************

void Rabbit_Juvenile::InternalPesticideHandlingAndResponse() {
    TTypesOfPesticide tp = m_OurLandscape->SupplyPesticideType();
    double pesticideInternalConc = m_pesticide_burden / m_weight;

    if (pesticideInternalConc > cfg_RabbitPesticideResponse.value()) {
        switch (tp) {
            case ttop_NoPesticide:
                break;
            case ttop_ReproductiveEffects:
                break;
            case ttop_AcuteEffects:
                GeneralOrganoPhosphate( pesticideInternalConc ); // Calls the GeneralOrganophosphate action code
                break;
            default:
                g_msg->Warn( "Unknown pesticide type used in Rabbit_Juvenile::InternalPesticideHandlingAndResponse() pesticide code ", int( tp ) );
                exit( 47 );
        }
    }
    m_pesticide_burden *= m_pesticidedegradationrate; // Does nothing by default except internal degredation of the pesticide
}

void Rabbit_Male::InternalPesticideHandlingAndResponse() {
    TTypesOfPesticide tp = m_OurLandscape->SupplyPesticideType();
    double pesticideInternalConc = m_pesticide_burden / m_weight;

    if (pesticideInternalConc > cfg_RabbitPesticideResponse.value()) {
        switch (tp) {
            case ttop_NoPesticide:
                break;
            case ttop_ReproductiveEffects:
                break;
            case ttop_AcuteEffects:
                GeneralOrganoPhosphate( pesticideInternalConc ); // Calls the GeneralOrganophosphate action code
                break;
            default:
                g_msg->Warn( "Unknown pesticide type used in Rabbit_Male::InternalPesticideHandlingAndResponse() pesticide code ", int( tp ) );
                exit( 47 );
        }
    }
    m_pesticide_burden *= m_pesticidedegradationrate; // Does nothing by default except internal degredation of the pesticide
}

void Rabbit_Female::InternalPesticideHandlingAndResponse() {
    TTypesOfPesticide tp = m_OurLandscape->SupplyPesticideType();
    double pesticideInternalConc = m_pesticide_burden / m_weight;

    if (pesticideInternalConc > cfg_RabbitPesticideResponse.value()) {
        switch (tp) {
            case ttop_NoPesticide:
                break;
            case ttop_ReproductiveEffects:
                GeneralEndocrineDisruptor( pesticideInternalConc ); // Calls the EndocrineDisruptor action code
                break;
            case ttop_AcuteEffects:
                GeneralOrganoPhosphate( pesticideInternalConc ); // Calls the GeneralOrganophosphate action code
                break;
            default:
                g_msg->Warn( "Unknown pesticide type used in Rabbit_Female::InternalPesticideHandlingAndResponse() pesticide code ", int( tp ) );
                exit( 47 );
        }
    }
    m_pesticide_burden *= m_pesticidedegradationrate; // Does nothing by default except internal degredation of the pesticide
}
//-------------------------------------------------------------------------------------
//-------------------- GENERAL ENDOCRINE DISRUPTOR EFFECT CODE ------------------------
//-------------------------------------------------------------------------------------

void Rabbit_Female::GeneralEndocrineDisruptor( double /* a_dose */ ) {
    // May also wish to specify certain gestation days for the effects here
    if (m_gestationcounter > 0) {
        m_pesticideInfluenced1 = true;
    }
}

//-------------------------------------------------------------------------------------
//------------------------ GENERAL ORGANOPHOSPHATE EFFECT CODE ------------------------
//-------------------------------------------------------------------------------------

void Rabbit_Base::GeneralOrganoPhosphate( double /* a_dose */ ) {
    //if (g_rand_uni() > l_pest_daily_mort.value()) return;
    m_OurPopulationManager->PesticideDeathRecord( m_RabbitType );
    m_CurrentRState = toRabbits_Die;
    m_StepDone = true;
    return;
}

//*************************************************************************************
//************************** END PESTICIDE RESPONSE CODE ******************************
//*************************************************************************************


//********************************************************************************************************************
//                                     Rabbit_Warren
//********************************************************************************************************************

Rabbit_Warren::Rabbit_Warren(int p_x, int p_y,Landscape* p_L, Rabbit_Population_Manager* p_NPM, int a_size, int a_soil) : TAnimal(p_x,p_y,p_L)
{
    m_CurrentRState = toRabbits_InitialState;
    m_OurPopulationManager = p_NPM;
    m_size = a_size;
    m_maintenence = 0;
    m_NoOccupiedBurrows = 0;
    m_BurrowsUnderConstruction = 0;
    m_CarryingCapacity = 0;
    m_CarryingCapacityRatio = -1; // No effect for the first period until it is properly calculated
    m_InhabitantsList.resize(0);
    m_soiltype = a_soil;
    m_rabbitdiggingtime = cfg_rabbitdiggingtime.value() * (2 - m_soiltype);
    m_diseaseconstant = 0.0;
    ResetAllRabbitProductionRecord();
    m_BigFemaleRabbitsR = 0.0;
    m_runningavCount=0;
    m_runningavFemales = 0; 
    m_Location_x = m_Location_x + (m_size / 2);
    m_Location_y = m_Location_y + (m_size / 2);
    // Now get the forage size.
    m_foragesize = m_size * 2;
    m_TL_x = m_Location_x - (m_foragesize / 2);
    if (m_TL_x < 0) m_TL_x = 0;
    m_TL_y = m_Location_x - (m_foragesize / 2);
    if (m_TL_y < 0) m_TL_y = 0;
    InitEvaluation();
}
//---------------------------------------------------------------------------

Rabbit_Warren::~Rabbit_Warren( void )
{
    ;
}
//---------------------------------------------------------------------------

void Rabbit_Warren::InitEvaluation( void )
{
    if (m_TL_x + m_foragesize > m_OurLandscape->SupplySimAreaWidth()) m_foragesize = (m_OurLandscape->SupplySimAreaWidth())-m_TL_x;
    if (m_TL_y + m_foragesize > m_OurLandscape->SupplySimAreaHeight()) m_foragesize = (m_OurLandscape->SupplySimAreaHeight())-m_TL_y;
    for (int i=m_TL_x; i<m_TL_x + m_foragesize; i++)
    {
        for (int j=m_TL_y; j<m_TL_y + m_foragesize; j++)
        {
            int PRef = m_OurLandscape->SupplyPolyRef(i,j);
            bool found=false;
            for (vector<RabbitWarrenLEInfo>::size_type k=0; k<m_LEList.size(); k++)
            {
                if (m_LEList[k].m_ref == PRef)
                {
                  m_LEList[k].m_area++;
                  found = true;
                  break;
                }
            }
            if (!found)
            {
                RabbitWarrenLEInfo a_ele;
                a_ele.m_ref = PRef;
                a_ele.m_area = 1;
                a_ele.m_ele = m_OurLandscape->SupplyLEPointer(m_OurLandscape->SupplyPolyRef(i,j));
                a_ele.m_pesticide_conc = 0;
                a_ele.m_forage = 0;
                a_ele.m_foragearea = 0;
                // don't have this one
                m_LEList.push_back(a_ele);
            }
        }
    }
    for (vector<RabbitWarrenLEInfo>::size_type k=0; k<m_LEList.size(); k++)
    {
        TTypesOfLandscapeElement tole = m_LEList[k].m_ele->GetElementType();
        m_LEList[k].m_torh = m_OurPopulationManager->ClassifyHabitat(tole);
        // Do a little bit of forage managing here
        if (m_LEList[k].m_torh == torh_Forage) m_LEList[k].m_foragearea = m_LEList[k].m_area;
        else if (m_LEList[k].m_torh == torh_TemporaryForage)
        {
            // We assume only 50 m strip of fields is usable
            int fr = 50 * m_size;
            if (m_LEList[k].m_area < fr) fr = m_LEList[k].m_area;
            m_LEList[k].m_foragearea = fr;
        }
        else m_LEList[k].m_foragearea = 0;
    }
    m_permforagearea = CalcPermForageArea();
    m_foragearea = CalcForageArea();
    double minpct = 1.0 / 16.0; // Divide by 16 because the minimum is based on 1/16th of the area used for forage
    double pct = m_foragearea/ (double) (m_foragesize * m_foragesize);
    if (pct<minpct)
    {
        // We have a problem, no rabbits can be here
        m_CarryingCapacity = 0;
        return;
    }
    if (pct > 0.9) pct = 0.9;
    // 1 is the lowest density until soil type is taken into account
    // We use the diff between min and actual pct cover, and then add pro-rata the extra proportion of 12 pairs
    // NB minpct must never be >= 0.9
    m_CarryingCapacity = static_cast<int>(cfg_rabbitminwarrensize.value() + (int)((pct - minpct) / (0.9 - minpct) * cfg_rabbitmaxwarrensize.value())); // e.g. 3 + (0.1 / 0.8 *9) = 3+1.5 for minpct 0.2, pct 0.3
    if (m_soiltype == 0) m_CarryingCapacity /= 2; 
    m_NoBurrows = 0;
    m_CarryingCapacityR = m_CarryingCapacity * cfg_rabbitdendepscaler.value();
    m_CarryingCapacityR2 = m_CarryingCapacityR / 2.0; // Done here once to prevent it being recalculated possibly a lot of times later.

}
//---------------------------------------------------------------------------

void Rabbit_Warren::CalcDisease(void)
{
    // Get the numbers we need
    unsigned totalrabbits = m_OurPopulationManager->SupplyAllBigRabbits();
    unsigned warrens = m_OurPopulationManager->GetLiveArraySize(rob_Warren);
    // Some of this should be done by the population managerfor efficiency but it is here to keep it together.
    //The big chance based on global density
    double prob_density = (totalrabbits / (double)warrens) * (totalrabbits / (double)warrens) * cfg_globaldisease_probability.value();
    // Now the local stuff
    m_diseaseconstant = prob_density * GetCarryingCapacityRatio();  
}
//---------------------------------------------------------------------------

void Rabbit_Warren::UpdatePesticide( void ) {
    m_forageP = 0.0;
    if (!m_OurLandscape->SupplyPesticideDecay()) return;
    for (int i = m_TL_x; i < m_TL_x + m_foragesize; i++) {
        for (int j = m_TL_y; j < m_TL_y + m_foragesize; j++) {
            // Unfortunately we need to check for each square whether the rabbit can forage here.
            int ele = m_OurLandscape->SupplyPolyRef( i, j );
            for (vector<RabbitWarrenLEInfo>::size_type k = 0; k < m_LEList.size(); k++) {
                if (m_LEList[ k ].m_ref == ele) {
                    if (m_LEList[ k ].m_forage > 0.0) {
#ifdef __RABBITMEANPESTICIDECONC
                        m_forageP += m_OurLandscape->SupplyPesticide( i, j );
#else
                        double pe = m_OurLandscape->SupplyPesticide( i, j );
                        if (m_forageP< pe ) m_forageP = pe;
#endif
                    }
                    break;
                }
            }
        }
    }
    // Now calculate the mean concentration and mean forage concentration if needed
#ifdef __RABBITMEANPESTICIDECONC
    m_forageP /= (double)m_availableforage;
#endif
}
//---------------------------------------------------------------------------

void Rabbit_Warren::UpdateForageInformation( void ) {
    double availableforage = m_permforagearea;
    for (vector<RabbitWarrenLEInfo>::size_type k = 0; k < m_LEList.size(); k++) {
        if (m_LEList[ k ].m_torh == torh_TemporaryForage) {
            double vegheight = m_OurLandscape->SupplyVegHeight( m_LEList[ k ].m_ref ); // m_ref is the landscape polyref
            double vegdigestability = m_OurLandscape->SupplyVegDigestability( m_LEList[ k ].m_ref );
            if ((vegheight < m_maxForageHeight) && (vegdigestability > m_minForageDigestability)) {
                // 30 cm
                m_LEList[ k ].m_forage = m_LEList[ k ].m_foragearea;
                availableforage += m_LEList[ k ].m_foragearea;
            }
            else m_LEList[ k ].m_forage = 0.0;
        }
    }
    // Only do the expensive pesticide update if there is a chance that there is some pesticide to work with
    if (l_pest_enable_pesticide_engine.value()) UpdatePesticide();

    m_foragearea = CalcForageArea();
    if (m_OurLandscape->SupplyGlobalDate() % cfg_rabbitdensitydependencedelay.value() ==0) {
        m_CarryingCapacityRatio = CalcCarryingCapacityRatio2(); // Normally this is the same as m_BigFemaleRabbitsR, which gets bigger as rabbits get close to CC
    }
    m_foragearearatio = availableforage / m_foragearea;
    if ((m_foragearearatio) < m_CarryingCapacityRatio) {
        m_availableforage = m_foragearearatio / m_CarryingCapacityRatio;
        m_inv_availableforage = 1.0 / m_availableforage;
    }
    else {
        m_availableforage = 1.0;
        m_inv_availableforage = 0.0;
    }
    if (m_OurLandscape->SupplyDayInYear() == cfg_rabbitdensitydependencedelay.value()) {
        m_litterreabosorptionchance = cfg_litterabsorptionconstant.value() * pow( 1.0 - m_availableforage, cfg_litterabsorptionconstant.value() );
    }
}
//---------------------------------------------------------------------------

void Rabbit_Warren::CalcCarryingCapacityRatio1() {
    m_BigFemaleRabbitsR = GetAllBigFemaleRabbits() / (m_CarryingCapacityR2); // m_CarryingCapacityR is (m_CarryingCapacity * cfg_rabbitdendepscaler.value())/2
}

double Rabbit_Warren::CalcCarryingCapacityRatio2() {
#ifdef __EnclosureTest
    double CCRatio = m_BigFemaleRabbitsR;
    int nsz = (int)m_LocalWarrenNetwork.size();
    for (int i = 0; i < nsz; i++) {
        CCRatio += m_LocalWarrenNetwork[i].m_aWarren->GetCCRabbitsR();
    }
    CCRatio /= (nsz + 1);
    return CCRatio;
#endif
    return m_BigFemaleRabbitsR; // Is the number of big female rabbits / ((m_CarryingCapacity * cfg_rabbitdendepscaler.value())/2)
}


void Rabbit_Warren::NetworkEvaluation( void )
{
    int nsz = (int) m_LocalWarrenNetwork.size();
    random_shuffle (m_LocalWarrenNetwork.begin(), m_LocalWarrenNetwork.end() );
    for (int i=0; i< nsz; i++ )
    {
        // Probability calculated as m_size/dist
        m_LocalWarrenNetwork[i].m_visitprob = m_foragesize / (double) (m_LocalWarrenNetwork[i].m_dist);
    }
}
//---------------------------------------------------------------------------

int Rabbit_Warren::CalcForageArea()
{
    int area = 0;
    for (vector<RabbitWarrenLEInfo>::size_type k = 0; k<m_LEList.size(); k++)
    {
        area += m_LEList[k].m_foragearea;
    }
    return area;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::CalcPermForageArea()
{
    int area = 0;
    for (vector<RabbitWarrenLEInfo>::size_type k = 0; k<m_LEList.size(); k++)
    {
        if (m_LEList[k].m_torh == torh_Forage) area += m_LEList[k].m_area;
    }
    return area;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::GetTemporaryForageArea()
{
    int area = 0;
    for (vector<RabbitWarrenLEInfo>::size_type k=0; k<m_LEList.size(); k++)
    {
        if (m_LEList[k].m_torh == torh_TemporaryForage) area += m_LEList[k].m_area;
    }
    return area;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::GetCoverArea()
{
    int area = 0;
    for (vector<RabbitWarrenLEInfo>::size_type k=0; k<m_LEList.size(); k++)
    {
        if (m_LEList[k].m_torh == torh_Cover) area += m_LEList[k].m_area;
    }
    return area;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::GetTempForageAreaVeg()
{
    int area = 0;
    for (vector<RabbitWarrenLEInfo>::size_type k=0; k<m_LEList.size(); k++)
    {
        if (m_LEList[k].m_torh == torh_TemporaryForage) 
        {
            if (m_LEList[k].m_ele->GetVegHeight() < m_maxForageHeight )
            {
                area += m_LEList[k].m_area;
            }
        }
    }
    return area;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::GetCoverAreaVeg() {
    int area = 0;
    for (vector<RabbitWarrenLEInfo>::size_type k = 0; k<m_LEList.size(); k++) {
        if (m_LEList[ k ].m_ele->GetVegHeight() >= m_maxForageHeight) {
            if (m_LEList[ k ].m_torh != torh_Other) area += m_LEList[ k ].m_area;
        }
    }
    return area;
}
//---------------------------------------------------------------------------


void Rabbit_Warren::UpdateThisYearsBreeders() {
    m_breedingfemales = 0;
    m_nonbreedingfemales = 0;
    m_1yrOldFemales = 0;
    m_littersthisyear = 0;
    int sz = static_cast<int>(m_InhabitantsList.size());
    for (int r = 0; r < sz; r++) {
        if (m_InhabitantsList[ r ]->GetRabbitType() == rob_Female) {
            if (m_InhabitantsList[ r ]->GetAge() < 300) {
                m_1yrOldFemales++;
            }else{
                int litters = dynamic_cast<Rabbit_Female*>(m_InhabitantsList[ r ])->GetLittersThisYear();
                if (litters > 0) m_breedingfemales++; else m_nonbreedingfemales++;
                m_littersthisyear += litters;
            }
        }
    }
}
//---------------------------------------------------------------------------

void Rabbit_Warren::Step( void )
{
    if (m_StepDone || m_CurrentStateNo == -1) return;
    switch (m_CurrentRState)
    {
     case toRabbits_InitialState: 
         m_CurrentRState = toRabbits_WarrenBeing;
         break;
     case toRabbits_WarrenBeing: // Being state is never left for warrens - 'they just are'
         st_WarrenBeing();
         m_StepDone=true;
         break;
     default:
         m_OurLandscape->Warn("Rabbit_Warren::Step()","unknown state - default");
         exit(1);
    }
}
//---------------------------------------------------------------------------

void Rabbit_Warren::st_WarrenBeing( void )
{
#ifdef __RABBITDEBUG
    DEBUG_InternalTest();
#endif

    if (m_InhabitantsList.size() == 0)
    {
        m_maintenence -= 2 - m_soiltype; // Double rate of maintenence for light soil
    }
    if (m_maintenence > m_rabbitdiggingtime) m_maintenence = m_rabbitdiggingtime;
    if (m_maintenence < 0)
    {
        m_maintenence = m_rabbitdiggingtime;
        if (m_NoBurrows > 0) m_NoBurrows--;
    }
    // Dominance check
    UpdateDominance();
    // Food update
    UpdateForageInformation();
    // Now calculates the mortality chance for today
    double foragemult = 0;
    if (!m_OurPopulationManager->GetForageDay()) foragemult = 1 + cfg_forageareamortscaler.value(); // *(1 - m_availableforage); // m_foragearearatio is 0-1 and larger available forage is reduced.
    m_mortalitymultiplierA = 1 + m_diseaseconstant + foragemult; // Disease is the only density dependent death for adults
    // We need to de-couple mortality of juveniles and density
    m_mortalitymultiplierJ = 1 + foragemult;
#ifdef __RABBITDEBUG
    DEBUG_InternalTest();
#endif
    // Keep track of breeding females for POM
    if (m_OurPopulationManager->IsBreedingSeason()) {
        m_runningavCount++;
        m_runningavFemales += GetAllBreedingFemaleRabbits();
    }
}
//---------------------------------------------------------------------------


Rabbit_Warren* Rabbit_Warren::GetNetworkWarren(  void )
{
    // Pick a warren
    int nsz = (int) m_LocalWarrenNetwork.size();
    int loopstart = (int) floor(nsz * g_rand_uni());
    for (int i=0; i< nsz; i++ )
    {
        double chance = g_rand_uni();
        int index = (i + loopstart);
        if (index >= nsz) index-=nsz;
        if (chance>m_LocalWarrenNetwork[i].m_visitprob)
        {
            return m_LocalWarrenNetwork[i].m_aWarren;
        }
    }
    return NULL;
}
//---------------------------------------------------------------------------

void Rabbit_Warren::UpdateDominance( void ) {
    int sz = (int)m_InhabitantsList.size();
    for (int i = 0; i<sz; i++) {
        if (m_InhabitantsList[ i ]->GetRabbitType() == rob_Female) {
            if (dynamic_cast<Rabbit_Female*>(m_InhabitantsList[ i ])->GetSocialStatus() == rabbit_socialstatus_subdominant) return;
        }
    }
    // If we get here we have no dominant female, so see if one can be created.
    ChooseNewDominant();
}
//---------------------------------------------------------------------------

void Rabbit_Warren::ChooseNewDominant( void ) {
    Rabbit_Female* rfemale = NULL;
    Rabbit_Female* rfemaleBig = NULL;
    int bigWeight = 0;
    int sz = (int)m_InhabitantsList.size();
    for (int i = 0; i < sz; i++) {
        if (m_InhabitantsList[ i ]->GetRabbitType() == rob_Female) {
            rfemale = dynamic_cast<Rabbit_Female*>(m_InhabitantsList[ i ]);
            if (rfemale->GetSocialStatus() == rabbit_socialstatus_subdominant) {
                if (rfemale->GetweightAge() >= 300) { // 300 represents max growth
                    rfemale->SetSocialStatus( rabbit_socialstatus_dominant );
                    return;
                }
                else if (rfemale->GetweightAge() > bigWeight) {
                    bigWeight = rfemale->GetweightAge();
                    rfemaleBig = rfemale;
                }
            }
        }
    }
    if (rfemaleBig!=NULL) rfemaleBig->SetSocialStatus( rabbit_socialstatus_dominant );
}
//---------------------------------------------------------------------------

bool Rabbit_Warren::IsFreeFemale( void ) {
    int sz = (int)m_InhabitantsList.size();
    for (int i = 0; i<sz; i++) {
        if (m_InhabitantsList[ i ]->GetRabbitType() == rob_Female) {
            if (m_InhabitantsList[ i ]->GetMate() == NULL) {
                if ((m_InhabitantsList[ i ]->GetHasBurrow()) || (m_InhabitantsList[ i ]->GetDigging() > -1)) return true;
            }
        }
    }
    return false;
}
//---------------------------------------------------------------------------

bool Rabbit_Warren::IsMember( Rabbit_Base* a_rabbit )
{
    int sz = (int) m_InhabitantsList.size();
    for (int i=0; i<sz; i++)
    {
        if (m_InhabitantsList[i] == a_rabbit ) 
        {
            return true;
        }
    }
    return false;
}
//---------------------------------------------------------------------------

bool Rabbit_Warren::IsFreeMale( void )
{
    int sz = (int) m_InhabitantsList.size();
    for (int i=0; i<sz; i++)
    {
        if  ( m_InhabitantsList[i]->GetRabbitType() == rob_Male )
        {
            if ( m_InhabitantsList[i]->GetMate()==NULL )
            {
                if ( (m_InhabitantsList[i]->GetHasBurrow() ) || ( m_InhabitantsList[i]->GetDigging() > -1) ) return true;
            }
        }
    }
    return false;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::IsFreeBurrow( void )
{
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif

    if (m_NoBurrows > (m_NoOccupiedBurrows + m_BurrowsUnderConstruction))
    {
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest2();
#endif
            return 1; // There is a free burrow
    }
    if ((m_NoBurrows + m_BurrowsUnderConstruction < m_CarryingCapacity)) return 2;
    return 0;
}
//---------------------------------------------------------------------------

void Rabbit_Warren::Join( Rabbit_Base* a_rabbit )
{
    m_InhabitantsList.push_back(a_rabbit);
    a_rabbit->SetWarren(this);
}
//---------------------------------------------------------------------------

void Rabbit_Warren::OccupyNewBurrow()
{
    m_NoOccupiedBurrows++;
    m_NoBurrows++;
    m_BurrowsUnderConstruction--;
}
//---------------------------------------------------------------------------

void Rabbit_Warren::OccupyBurrow()
{
    m_NoOccupiedBurrows++;
}
//---------------------------------------------------------------------------

void Rabbit_Warren::OccupyWarren( Rabbit_Adult* a_rabbit )
{
    m_BurrowsUnderConstruction++;
    a_rabbit->SetDigging( m_rabbitdiggingtime ); // Heavy soil has double digging time
    Join(a_rabbit);
}
//---------------------------------------------------------------------------

void Rabbit_Warren::JoinNOccupy( Rabbit_Adult* a_rabbit )
{
#ifdef __RABBITDEBUG
            // Do some safety checks here.
            if ((m_NoBurrows <= m_NoOccupiedBurrows) && (m_NoBurrows!=0))
            {
                m_OurLandscape->Warn("Rabbit_Warren::JoinNOccupy","Attempt to occupy a burrow that is occupied or does not exist.");
                exit(1);
            }
#endif
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest2();
#endif
    Join(a_rabbit);
    OccupyBurrow( );
    a_rabbit->SetDigging(-1);
    a_rabbit->SetSocialStatus( rabbit_socialstatus_subdominant );
    a_rabbit->SetHasBurrow( true );

#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif
}
//---------------------------------------------------------------------------

void Rabbit_Warren::Leave( Rabbit_Base* a_rabbit )
{
    int sz = (int) m_InhabitantsList.size();
    for (int i=0; i<sz; i++)
    {
        if (m_InhabitantsList[i]==a_rabbit) 
        {
            // Found the rabbit.
#ifdef __RABBITDEBUG
            // Do some safety checks here.
            if ( (a_rabbit->GetRabbitType() >= rob_Male ) && (a_rabbit->GetCurrentRState() != toRabbits_Die) )
            {
                if ((a_rabbit->GetMate()!=NULL) && (a_rabbit->GetCurrentStateNo() != -1))
                {
                    m_OurLandscape->Warn("Rabbit_Warren::Leave","Attempt to leave a warren with a mate.");
                    exit(1);
                }
                // Do some safety checks here.
                if ((m_InhabitantsList[i]->GetHasBurrow()) && (a_rabbit->GetMate() != NULL) && (a_rabbit->GetCurrentStateNo() != -1))
                {
                    m_OurLandscape->Warn("Rabbit_Warren::Leave","Attempt to leave a warren with a burrow and mate.");
                    exit(1);
                }
            }
#endif
            if (a_rabbit->GetRabbitType() > rob_Juvenile)
            {
                if ((a_rabbit->GetHasBurrow()) && (a_rabbit->GetMate() == NULL)) {
                    // Single burrow occupier leaving
                    m_NoOccupiedBurrows--;
                    a_rabbit->SetHasBurrow( false );
                }
                if ((a_rabbit->GetDigging()!=-1) && (a_rabbit->GetMate() == NULL)) {
                    // Single digger leaving
                    m_BurrowsUnderConstruction--;
                    a_rabbit->SetDigging( -1 );
                }
            }
            a_rabbit->SetWarren(NULL);
            // remove the rabbit from the warren list
            m_InhabitantsList.erase(m_InhabitantsList.begin() + i);
            break;
        }
    }
}
//---------------------------------------------------------------------------

void Rabbit_Warren::Mate(Rabbit_Adult* a_mate, RabbitObjectTypes rob_type)
{
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif
    int sz = (int) m_InhabitantsList.size();
    for (int i=0; i<sz; i++)
    {
        Rabbit_Adult * p_rabAdult = dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[ i ]);
        if ((m_InhabitantsList[ i ]->GetRabbitType() == rob_type) && (p_rabAdult->GetMate() == NULL))
        {
            if (p_rabAdult->GetHasBurrow())
            {
#ifdef __RABBITDEBUG
                if (p_rabAdult->GetDigging() != -1)
                {
                    int rubbish = 0;
                }
#endif
                a_mate->SetDigging( -1 );
                a_mate->SetMate( p_rabAdult );
                p_rabAdult->SetMate( a_mate );
                // If the rabbit already has a burrow then we have a free one now
                if (a_mate->GetHasBurrow()) {
                    m_NoOccupiedBurrows--;
                }
                else a_mate->SetHasBurrow( true );
                a_mate->SetSocialStatus( rabbit_socialstatus_subdominant );
                p_rabAdult->SetSocialStatus( rabbit_socialstatus_subdominant );
                break;
            }
            else
                if (p_rabAdult->GetDigging() > -1)
            {
                a_mate->SetMate(dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i]));
                p_rabAdult->SetMate( a_mate );
                int digging = p_rabAdult->GetDigging() / 2; // We have help so half the time
                p_rabAdult->SetDigging( digging );
                a_mate->SetDigging(digging);
                a_mate->SetSocialStatus( rabbit_socialstatus_subordinate );
                p_rabAdult->SetSocialStatus( rabbit_socialstatus_subordinate );
                break;
            }
            // Else they are not interesting and we ignore them
        }
    }
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif
}
//---------------------------------------------------------------------------

void Rabbit_Warren::JoinNMate(Rabbit_Adult* a_mate, RabbitObjectTypes rob_type)
{
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif
    int sz = (int) m_InhabitantsList.size();
    for (int r=0; r<sz; r++)
    {
        Rabbit_Adult* p_rabAdult = dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[ r ]);
        if ((m_InhabitantsList[r]->GetRabbitType() == rob_type) && (p_rabAdult->GetMate() == NULL) )
        {
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif
            if (p_rabAdult->GetHasBurrow())
            {
                a_mate->SetDigging(-1);
                a_mate->SetMate(dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[r]));
                a_mate->SetHasBurrow(true);
                a_mate->SetSocialStatus( rabbit_socialstatus_subdominant );
                p_rabAdult->SetSocialStatus( rabbit_socialstatus_subdominant );
                p_rabAdult->SetMate( a_mate );
                Join(a_mate);
                break;
            }
            else
                if (p_rabAdult->GetDigging() > -1)
            {
                a_mate->SetMate( p_rabAdult );
                a_mate->SetSocialStatus( rabbit_socialstatus_subordinate );
                p_rabAdult->SetSocialStatus( rabbit_socialstatus_subordinate );
                p_rabAdult->SetMate( a_mate );
                int digging = p_rabAdult->GetDigging();
                a_mate->SetDigging(digging);
                Join(a_mate);
                break;
            }

        }
    }
#ifdef __RABBITDEBUG
    this->DEBUG_InternalTest();
#endif
}
//---------------------------------------------------------------------------

int Rabbit_Warren::GetAllBreedingFemaleRabbits( void ) {
    int breeders = 0;
    int sz = (int)m_InhabitantsList.size();
    for (int i = 0; i < sz; i++) {
        if (m_InhabitantsList[ i ]->GetRabbitType() == rob_Female) {
            if (dynamic_cast<Rabbit_Female*>(m_InhabitantsList[ i ])->GetSocialStatus()>rabbit_socialstatus_subordinate) breeders++;
        }
    }
    return breeders;
}
//---------------------------------------------------------------------------

int Rabbit_Warren::GetAllBigFemaleRabbits( void ) {
    int biggies = 0;
    int sz = (int)m_InhabitantsList.size();
    for (int i = 0; i < sz; i++) {
        if (m_InhabitantsList[ i ]->GetRabbitType() == rob_Female) {
            if (m_InhabitantsList[ i ]->GetAge()>300) biggies++;
        }
    }
    return biggies;
}
//---------------------------------------------------------------------------

bool Rabbit_Warren::DEBUG_InternalTest()
{
    int Mburrs = 0;
    int Mmates = 0;
    int MBM = 0;
    int Fburrs = 0;
    int Fmates = 0;
    int FBM = 0;
    int siz = (int) m_InhabitantsList.size();
    int Mdigs = 0;
    int Fdigs = 0;
    for (int i = 0; i<siz; i++)
    {
        if (m_InhabitantsList[i]->GetCurrentStateNo() != -1)
        {
            if (m_InhabitantsList[i]->GetRabbitType() == rob_Male)
            {
                if (m_InhabitantsList[i]->GetHasBurrow()) Mburrs++; // No males with burrow
                if (m_InhabitantsList[i]->GetDigging()>-1) Mdigs++;  // No males digging
                if (dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate() != NULL) Mmates++; // No males with mates
                if ((dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate() != NULL) && (m_InhabitantsList[i]->GetHasBurrow())) MBM++; // No males with mates and burrows
            }
            if (m_InhabitantsList[i]->GetRabbitType() == rob_Female)
            {
                if (m_InhabitantsList[i]->GetHasBurrow()) Fburrs++;
                if (m_InhabitantsList[i]->GetDigging() > -1) Fdigs++;
                if (dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate() != NULL) Fmates++;
                if ((dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate() != NULL) && (m_InhabitantsList[i]->GetHasBurrow())) FBM++;
            }
        }
    }
    int alonemales = Mburrs-MBM;
    int alonefemales = Fburrs-FBM;
    if (MBM != FBM) 
    {
        m_OurLandscape->Warn("IsFreeBurrow","Inconsistent mates and burrows MBM != FBM.");
        exit(1);
    }
    if (MBM + alonemales + alonefemales > m_NoBurrows) 
    {
        m_OurLandscape->Warn("IsFreeBurrow","Too many burrows occupied.");
        exit(1);
    }
    if (MBM + alonemales + alonefemales != this->m_NoOccupiedBurrows) 
    {
        m_OurLandscape->Warn("IsFreeBurrow","Too many burrows occupied.");
        exit(1);
    }
    return true;
}
//---------------------------------------------------------------------------

bool Rabbit_Warren::DEBUG_InternalTest2()
{
    int Mburrs = 0;
    int Mmates = 0;
    int MBM = 0;
    int Fburrs = 0;
    int Fmates = 0;
    int FBM = 0;
    int siz = (int) m_InhabitantsList.size();
    for (int i=0; i<siz; i++)
    {
        if ( m_InhabitantsList[i]->GetRabbitType() == rob_Male)
        {
            if ( m_InhabitantsList[i]->GetHasBurrow()) Mburrs++;
            if ( dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate()!= NULL) Mmates++;
            if (( dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate()!= NULL) && (m_InhabitantsList[i]->GetHasBurrow())) MBM++;
        }
        if ( m_InhabitantsList[i]->GetRabbitType() == rob_Female)
        {
            if ( m_InhabitantsList[i]->GetHasBurrow()) Fburrs++;
            if ( dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate()!= NULL) Fmates++;
            if (( dynamic_cast<Rabbit_Adult*>(m_InhabitantsList[i])->GetMate()!= NULL) && (m_InhabitantsList[i]->GetHasBurrow())) FBM++;
        }
    }
    int alonemales = Mburrs-MBM;
    int alonefemales = Fburrs-FBM;
    if (MBM + alonemales + alonefemales >= m_NoBurrows) 
    {
        m_OurLandscape->Warn("IsFreeBurrow","Too many burrows occupied.");
        exit(1);
    }
    return true;
}
//---------------------------------------------------------------------------