/// <summary>
/// Destroy all agents in the area (that belongs to this script) and creates them again.
/// The list of newly created objects is returned.
/// </summary>
/// <returns></returns>
public List <AgentLogic> RegenerateObjects()
{
for (int i = transform.childCount - 1; i >= 0; --i)
{
DestroyImmediate(transform.GetChild(i).gameObject);
}
_activeAgents = new List <AgentLogic>();
for (uint i = 0; i < count; i++)
{
AgentLogic created = Instantiate <AgentLogic>(agentsToBeCreated[Random.Range(0, agentsToBeCreated.Length)],
GenerateUtils.GetRandomPositionInWorldBounds(_bounds), GenerateUtils.GetRandomRotation(randomRotationMinimal, randomRotationMaximal));
created.transform.parent = transform;
_activeAgents.Add(created);
}
return(_activeAgents);
}
/// <summary>
/// Compares the points of two agents. When used on Sort function will make the highest performance to be on top.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
AgentLogic otherAgent = obj as AgentLogic;
if (otherAgent != null)
{
return(otherAgent.GetPerformance().CompareTo(GetPerformance()));
}
else
{
throw new ArgumentException("Object is not an AgentLogic");
}
}
/// <summary>
/// Creates a new generation by using GenerateBoxes and GenerateBoats/Pirates.
/// Previous generations will be removed and the best parents will be selected and used to create the new generation.
/// The best parents (top 1) of the generation will be stored as a Prefab in the [savePrefabsAt] folder. Their name
/// will use the [generationCount] as an identifier.
/// </summary>
public void MakeNewGeneration()
{
GenerateObjects();
foreach (GenerateAgentsInArea agentGenerator in agentsGenerators)
{
List <AgentLogic> agentLogics = agentGenerator.GetActiveAgents();
agentLogics.RemoveAll(logic => logic == null);
agentLogics.ForEach(logic => logic.CalculatePerformance(environment));
if (agentLogics.Count > 0)
{
agentLogics.Sort();
uint generated = agentGenerator.GetCount();
uint actualParentsSize = (uint)Mathf.Min(agentLogics.Count, Mathf.Min(generated, parentSize));
AgentLogic[] parents = new AgentLogic[actualParentsSize];
for (int i = 0; i < actualParentsSize; i++)
{
parents[i] = agentLogics[i];
}
AgentLogic lastWinner = parents[0];
lastWinner.name += generationName + "[" + generationCount + "]";
PrefabUtility.SaveAsPrefabAsset(lastWinner.gameObject, savePrefabsAt + lastWinner.name + ".prefab");
List <AgentLogic> newAgents = agentGenerator.RegenerateObjects();
newAgents.ForEach(agent =>
{
AgentLogic parent = parents[Random.Range(0, (int)actualParentsSize)];
agent.Birth(parent.GetData());
agent.Mutate(mutationFactor, mutationChance);
agent.WakeUp();
});
}
else
{
agentGenerator.RegenerateObjects().ForEach(agent => { agent.WakeUp(); });
}
}
}
public abstract float EvaluatePerfomance(AgentLogic agent, Environment environment);
