public ReproductionSystem(EntityManager pool, NeatMutationConfig config, InnovationIdManager innovationIdManager, EnergyManager energyManager, int currentMaxSpeciesId, float similarityThreshold, Simulation simulation)
: base(pool, (e) => e.HasComponents(typeof(ReproductionComponent), typeof(EnergyComponent)))
{
_muationManager = new MutationManager(config);
_innovationIdManager = innovationIdManager;
_energyManager = energyManager;
_nextSpeciesIdCounter = currentMaxSpeciesId + 1;
_similarityThreshold = similarityThreshold;
_simulation = simulation;
}
/// <summary>
/// Mutates the given genotype with the assigned mutators.
/// Mutators each have an assigned probability of activating (ProbabiltiyOfMutation). The list of mutators is read from the lowest index up until the highest.
/// If a mutator activates, then no more mutators can be activated and the mutattion finishes.
/// A mutator with a ProbabiltiyOfMutation will always activate if we reach it in the list.
/// </summary>
/// <param name="genotype">Genotype to mutate</param>
/// <param name="innovationIdManager">Innovation id manager. New innovation ids will be taken from here.</param>
public void Mutate(NeatBrainGenotype genotype, InnovationIdManager innovationIdManager)
{
foreach (AbstractMutator mutator in Mutators)
{
if (Random.NextDouble() < mutator.ProbabiltiyOfMutation)
{
mutator.Mutate(genotype, Random, innovationIdManager);
}
}
}
protected override void Initialize()
{
_grid = new AdjacencyGrid(_settings.WorldWidth, _settings.WorldHeight, 25);
_renderSystem = new RenderSystem(EntityManager, this);
_transformHierarchySystem = new TransformHierarchySystem(EntityManager, _grid);
_velocitySystem = new VelocitySystem(EntityManager);
// Declare rigidbody collision system
_rigidbodyCollisionSystem = new SortAndSweep(EntityManager,
(e) => e.HasComponents(typeof(CircleColliderComponent), typeof(RigidBodyComponent)),
(e1, e2) => true); // All collisions should be resolved
_mouthCollisionSystem = new SortAndSweep(EntityManager,
(e) => e.HasComponents(typeof(CircleColliderComponent)) &&
(e.HasComponents(typeof(MouthComponent)) || e.HasComponents(typeof(EdibleComponent))),
// Only resolve if 1 has a food and the other a mouth (but not both)
(e1, e2) =>
(e1.HasComponent <MouthComponent>() && e2.HasComponent <EdibleComponent>())
^ (e2.HasComponent <MouthComponent>() && e1.HasComponent <EdibleComponent>())
);
_weaponHealthCollisionSystem = new SortAndSweep(EntityManager,
(e) => e.HasComponents(typeof(CircleColliderComponent)) &&
(e.HasComponent <HealthComponent>() || e.HasComponent <WeaponComponent>()),
// Only resolve if 1 is a weapon and the other a health
(e1, e2) =>
(e1.HasComponent <HealthComponent>() && e2.HasComponent <WeaponComponent>())
^ (e2.HasComponent <HealthComponent>() && e1.HasComponent <WeaponComponent>())
);
_rigidBodySystem = new RigidBodySystem(EntityManager);
_dragSystem = new DragSystem(EntityManager, _settings.MassDensity);
_movementControlSystem = new MovementControlSystem(EntityManager);
_brainSystem = new BrainSystem(EntityManager, Settings);
WorldBorderSystem = new WorldBorderSystem(EntityManager, _worldWidth, _worldHeight);
_visionSystem = new VisionSystem(EntityManager, _grid);
// These systems take a reference to a list of collisions. This means that should collision code checking change, the objects do not.
RigidbodyCollisionSystem = new RigidBodyCollisionSystem(_rigidbodyCollisionSystem.Collisions);
MouthFoodCollisionSystem = new MouthFoodCollisionSystem(EntityManager, _mouthCollisionSystem.Collisions);
InfoRenderSystem = new InfoRenderSystem(EntityManager, this);
_noseSystem = new NoseSystem(EntityManager, _grid);
// Global energy manager. This Ensures a closed system so there is a fixed amount of enegry in the simulation
_energyManager = new EnergyManager(_settings.InitialWorldEnergy);
// These are systems that take into account energy and need the energy manager system
EnergyDeathSystem = new EnergyDeathSystem(EntityManager);
HealthDeathSystem = new HealthDeathSystem(EntityManager, this, _energyManager);
OldAgeDeathSystem = new OldAgeDeathSystem(EntityManager, this, _energyManager, _settings.OldAgeEnabled, _settings.OldAgeMultiplier);
WeaponSystem = new WeaponSystem(EntityManager, _weaponHealthCollisionSystem.Collisions, _energyManager);
_movementControlEnergyCostSystem = new MovementControlEnergyCostSystem(EntityManager, _energyManager);
InnovationIdManager innovationIdManager = new InnovationIdManager(100, 100);
// So textures are constantly refreshed
_renderSystem.EditorMode = true;
}
