create NEAT app repo

Species.cpp

@@ -0,0 +1,73 @@
+#include "Species.h"
+
+#include "IteratorHelper.h"
+#include "Random.h"
+
+#if 0
+
+Species::Species(const Genotype& leader):
+	m_leader(leader)
+{
+	m_members.push_back(m_leader);
+}
+
+void Species::Reset()
+{
+	m_members.clear();
+}
+
+void Species::AddMember(const Genotype& genome)
+{
+	m_members.push_back(genome);
+	if ( genome < m_leader )
+	{
+		m_leader = genome;
+	}
+}
+
+bool Species::AddIfCompatible(const Genotype& genome)
+{
+	if ( m_leader.GetCompatibility(genome) < 3.0f )
+	{
+		// yes, it's compatible, add it to this species
+		AddMember(genome);
+		return true;
+	}
+
+	// default case, not added
+	return false;
+}
+
+void Species::AdjustFitness()
+{
+	float total_members = (float)m_members.size();
+	iterate_each( std::vector<Genotype>::iterator, it, m_members )
+	{
+		(*it).SetFitness( (*it).GetFitness() / total_members );
+	}
+}
+
+float Species::GetFitness()
+{
+	float total = 0.0f;
+	iterate_each( std::vector<Genotype>::iterator, it, m_members )
+	{
+		total += (*it).GetFitness();
+	}
+	return total;
+}
+
+Genotype Species::Spawn() const
+{
+	int a = RandomRange(0,(int)m_members.size()-1);
+	int b = RandomRange(0,(int)m_members.size()-1);
+	return Genotype(m_members[a],m_members[b]);
+}
+
+Genotype Species::GetLeader() const
+{
+	return m_leader;
+}
+
+#endif
+