93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
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#include "Fish.h"
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#include <sstream>
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#include <cassert>
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unsigned Fish::counter= 0;
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Fish::Fish(unsigned time, unsigned _lifeExpectancy):
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hatchedTime(time),lifeExpectancy(_lifeExpectancy), id(++counter){
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}
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void Fish::makeAdult(unsigned t){
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assert(phase==JuvenilePhase && " making a non juvenile fish adult");
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adultTime = t;
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phase = AdultPhase;
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}
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void Fish::makeDead(){
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bool aliveFree = isJuvenile() || isAdult();
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assert(aliveFree && " killing a dead or caught fish");
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phase = DeadPhase;
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}
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void Fish::makeCaught(){
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bool aliveFree = isJuvenile() || isAdult();
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assert(aliveFree && " catching a dead or caught fish");
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phase = CaughtPhase;
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}
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bool Fish::isJuvenile()const{
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return phase == JuvenilePhase;
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}
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bool Fish::isAdult()const{
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return phase == AdultPhase;
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}
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bool Fish::isCaught()const{
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return phase == CaughtPhase;
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}
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bool Fish::isDead()const{
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return phase == DeadPhase;
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}
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unsigned Fish::getRemainingLifeExpectancy(unsigned now)const{
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if (now > (lifeExpectancy + hatchedTime))
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return 0;
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return lifeExpectancy + hatchedTime - now;
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}
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bool Fish::catchableNow(unsigned now)const{
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return (now - hatchedTime) > MIN_CATCHABLE_AGE;
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}
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unsigned Fish::getWeightOnCatch(unsigned tm)const{
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unsigned age = tm - hatchedTime;
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return(age < MIN_KEPT_AGE? 0 : age);
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}
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std::string Fish::print()const{
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std::stringstream rslt;
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rslt << "fish";
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switch(phase){
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case JuvenilePhase:
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rslt << "j(";
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break;
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case AdultPhase:
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rslt << "a(";
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break;
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case DeadPhase:
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rslt << "d(";
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break;
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case CaughtPhase:
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rslt << "c(";
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break;
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default:
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rslt << "x(";
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break;
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}
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rslt << id << ")(le=" << lifeExpectancy;
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rslt << ", ht=" << hatchedTime;
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rslt << ", at=" << adultTime << ")" ;
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return rslt.str();
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}
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std::ostream& operator<<(std::ostream& out, const Fish& fish){
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out << fish.print();
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return out;
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}
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