+void BlobBackgroundTask::Action() {
+ CheckStats();
+ CheckSplit();
+ CheckMutate();
+}
+
+void BlobBackgroundTask::CheckStats() {
+ Creature::Stats &stats = GetStats();
+
+ if (!breathing && stats.Breath().Bad()) {
+ breathing = true;
+ }
+
+ if (!drink_subtask && stats.Thirst().Bad()) {
+ drink_subtask = new IngestGoal(GetCreature(), stats.Thirst());
+ for (const auto &cmp : GetCreature().GetComposition()) {
+ if (Assets().data.resources[cmp.resource].state == world::Resource::LIQUID) {
+ double value = cmp.value / GetCreature().GetComposition().TotalMass();
+ drink_subtask->Accept(cmp.resource, value);
+ for (const auto &compat : Assets().data.resources[cmp.resource].compatibility) {
+ if (Assets().data.resources[compat.first].state == world::Resource::LIQUID) {
+ drink_subtask->Accept(compat.first, value * compat.second);
+ }
+ }
+ }
+ }
+ drink_subtask->WhenComplete([&](Goal &) { drink_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(drink_subtask));
+ }
+
+ if (!eat_subtask && stats.Hunger().Bad()) {
+ eat_subtask = new IngestGoal(GetCreature(), stats.Hunger());
+ for (const auto &cmp : GetCreature().GetComposition()) {
+ if (Assets().data.resources[cmp.resource].state == world::Resource::SOLID) {
+ double value = cmp.value / GetCreature().GetComposition().TotalMass();
+ eat_subtask->Accept(cmp.resource, value);
+ for (const auto &compat : Assets().data.resources[cmp.resource].compatibility) {
+ if (Assets().data.resources[compat.first].state == world::Resource::SOLID) {
+ eat_subtask->Accept(compat.first, value * compat.second);
+ }
+ }
+ }
+ }
+ eat_subtask->WhenComplete([&](Goal &) { eat_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(eat_subtask));
+ }
+}
+
+void BlobBackgroundTask::CheckSplit() {
+ if (GetCreature().Mass() > GetCreature().OffspringMass() * 2.0
+ && GetCreature().OffspringChance() > Random().UNorm()) {
+ GetCreature().GetSimulation().Log() << GetCreature().Name() << " split" << std::endl;
+ Split(GetCreature());
+ return;
+ }
+}
+
+void BlobBackgroundTask::CheckMutate() {
+ // check for random property mutation
+ if (GetCreature().MutateChance() > Random().UNorm()) {
+ double amount = 1.0 + (Random().SNorm() * 0.05);
+ math::Distribution &d = GetCreature().GetGenome().properties.props[Random().UInt(9)];
+ if (Random().UNorm() < 0.5) {
+ d.Mean(d.Mean() * amount);
+ } else {
+ d.StandardDeviation(d.StandardDeviation() * amount);
+ }
+ }
+}
+
+
+Goal::Goal(Creature &c)
+: c(c)
+, on_complete()
+, on_foreground()
+, on_background()
+, urgency(0.0)
+, interruptible(true)
+, complete(false) {
+}
+
+Goal::~Goal() noexcept {