Method Inst_Repro

avida-core/source/cpu/cHardwareCPU.cc:3363–3432

}

bool cHardwareCPU::Inst_Repro(cAvidaContext& ctx)
{ 
  // check if repro can replace an existing organism
  if (m_world->GetConfig().REPRO_METHOD.Get() == 0 && m_organism->IsNeighborCellOccupied()) {
    return false;
  }
  
  if (m_organism->GetPhenotype().GetCurBonus() < m_world->GetConfig().REQUIRED_BONUS.Get()) {
    return false;
  }
  
  // Setup child
  m_organism->OffspringGenome() = m_organism->GetGenome();
  InstructionSequencePtr offspring_seq;
  offspring_seq.DynamicCastFrom(m_organism->OffspringGenome().Representation());

  ConstInstructionSequencePtr org_seq;
  org_seq.DynamicCastFrom(m_organism->GetGenome().Representation());
  
  // Do transposon movement and copying before other mutations
  Divide_DoTransposons(ctx);
  
  // Perform Copy Mutations...
  if (m_organism->GetCopyMutProb() > 0) { // Skip this if no mutations....
    for (int i = 0; i < offspring_seq->GetSize(); i++) {
      //Need to check no_mut_insts for head to head kaboom experiments
      bool in_list = false;
      char test_inst = (*offspring_seq)[i].GetSymbol()[0];
      cString no_mut_list = m_world->GetConfig().NO_MUT_INSTS.Get();
      for (int j = 0; j < (int)strlen(no_mut_list); j++) {
        if ((char) no_mut_list[j] == test_inst) in_list = true;
      }
      if (m_organism->TestCopyMut(ctx) && !(in_list)) {
        (*offspring_seq)[i] = m_inst_set->GetRandomInst(ctx);
      }
    }
  }
  
  //Perform divide mutations...
  Divide_DoMutations(ctx);
  
  // Check viability
  bool viable = Divide_CheckViable(ctx, org_seq->GetSize(), offspring_seq->GetSize(), 1);
  if (!viable) { return false; }
  
  // Many tests will require us to run the offspring through a test CPU;
  // this is, for example, to see if mutations need to be reverted or if
  // lineages need to be updated.
  Divide_TestFitnessMeasures(ctx);
  
  if (m_world->GetConfig().DIVIDE_METHOD.Get() != DIVIDE_METHOD_OFFSPRING) {
    // reset first time instruction costs
    for (int i = 0; i < m_inst_ft_cost.GetSize(); i++) {
      m_inst_ft_cost[i] = m_inst_set->GetFTCost(Instruction(i));
    }
  }
  
  if (m_world->GetConfig().DIVIDE_METHOD.Get() == DIVIDE_METHOD_SPLIT) m_advance_ip = false;