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#include "dna.hpp"
DNA::DNA()
{
maxHealth = CREATURE_MAX_HEALTH;
speed = CREATURE_SPEED;
reach = CREATURE_REACH;
bestSense = CREATURE_BEST_SENSE;
bite = CREATURE_BITE;
amountToGrow = CREATURE_AMOUNT_TO_GROW;
expectedPregnancyTime = CREATURE_EXP_PREG_TIME;
expectedAge = CREATURE_EXP_AGE;
sizeMax = CREATURE_SIZE_MAX;
mutationPercent = CREATURE_MUTATION_PERCENT;
mutationChance = CREATURE_MUTATION_CHANCE;
}
DNA DNA::combine(DNA D)
{
DNA N;
N.maxHealth = (maxHealth + D.maxHealth)/2;
N.speed = (speed + D.speed)/2;
N.reach = (reach + D.reach)/2;
N.bestSense = (bestSense + D.bestSense)/2;
N.bite = (bite + D.bite)/2;
N.amountToGrow = (amountToGrow + D.amountToGrow)/2;
N.expectedPregnancyTime = (expectedPregnancyTime + D.expectedPregnancyTime)/2;
N.expectedAge = (expectedAge + D.expectedAge)/2;
N.sizeMax = (sizeMax + D.sizeMax)/2;
N.mutationPercent = (mutationPercent + D.mutationPercent)/2;
N.mutationChance = (mutationChance + D.mutationChance)/2;
if(roll(mutationChance)){
float pn;
if(rand()%2)
pn = 1;
else
pn = -1;
switch(rand()%11){
case 0: N.maxHealth = abs(N.maxHealth *(N.mutationPercent+pn)); break;
case 1: N.speed = abs(N.speed *(N.mutationPercent+pn)); break;
case 2: N.reach = abs(N.reach *(N.mutationPercent+pn)); break;
case 3: N.bestSense = abs(N.bestSense *(N.mutationPercent+pn)); break;
case 4: N.bite = abs(N.bite *(N.mutationPercent+pn)); break;
case 5: N.amountToGrow = abs(N.amountToGrow *(N.mutationPercent+pn)); break;
case 6: N.expectedPregnancyTime = abs(N.expectedPregnancyTime *(N.mutationPercent+pn)); break;
case 7: N.expectedAge = abs(N.expectedAge *(N.mutationPercent+pn)); break;
case 8: N.sizeMax = abs(N.sizeMax *(N.mutationPercent+pn)); break;
case 9: N.mutationPercent = abs(N.expectedAge *(N.mutationPercent+pn)); break;
case 10:N.mutationChance = abs(N.mutationChance *(N.mutationPercent+pn)); break;
}
}
return N;
}
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