introduce random genetic mutations

[blobs.git] / src / creature / creature.cpp

diff --git a/src/creature/creature.cpp b/src/creature/creature.cpp
index 5bfac3cf91939e3be417a2147657391534ff337c..74d5751bce5f9f413a9f111cbdd17e8a42862807 100644 (file)
--- a/src/creature/creature.cpp
+++ b/src/creature/creature.cpp
@@ -5,6 +5,7 @@
 #include "Situation.hpp"
 #include "Steering.hpp"
 
+#include "BlobBackgroundTask.hpp"
 #include "Goal.hpp"
 #include "IdleGoal.hpp"
 #include "InhaleNeed.hpp"
@@ -44,6 +45,7 @@ Creature::Creature(world::Simulation &sim)
 , on_death()
 , removable(false)
 , memory(*this)
+, bg_task()
 , needs()
 , goals()
 , situation()
@@ -127,7 +129,11 @@ double Creature::AgeLerp(double from, double to) const noexcept {
 }
 
 double Creature::Fertility() const noexcept {
-       return AgeLerp(CurProps().fertility, NextProps().fertility) / 3600.0;
+       return AgeLerp(CurProps().fertility, NextProps().fertility) * (1.0 / 3600.0);
+}
+
+double Creature::Mutability() const noexcept {
+       return GetProperties().mutability * (1.0 / 3600.0);
 }
 
 void Creature::AddGoal(std::unique_ptr<Goal> &&g) {
@@ -175,6 +181,8 @@ void Creature::Tick(double dt) {
                situation.SetState(state);
        }
 
+       bg_task->Tick(dt);
+       bg_task->Action();
        memory.Tick(dt);
        for (auto &need : needs) {
                need->Tick(dt);
@@ -361,7 +369,7 @@ void Spawn(Creature &c, world::Planet &p) {
        genome.properties.Youth().highlight = { 0.9, 0.1 };
 
        genome.properties.Adult().age = { 120.0, 10.0 };
-       genome.properties.Adult().mass = { 1.2, 0.1 };
+       genome.properties.Adult().mass = { 1.3, 0.1 };
        genome.properties.Adult().fertility = { 0.4, 0.01 };
        genome.properties.Adult().highlight = { 0.7, 0.1 };
 
@@ -461,6 +469,8 @@ void Genome::Configure(Creature &c) const {
                        need->gain = intake * 0.5;
                }
                need->name = c.GetSimulation().Resources()[comp.resource].label;
+               need->growth = comp.growth.FakeNormal(random.SNorm());
+               need->value = 0.4;
                need->inconvenient = 0.5;
                need->critical = 0.95;
                c.AddNeed(std::move(need));
@@ -483,6 +493,7 @@ void Genome::Configure(Creature &c) const {
        c.Density(mass / volume);
        c.GetSteering().MaxAcceleration(1.4 * std::atan(c.GetProperties().strength));
        c.GetSteering().MaxSpeed(4.4 * std::atan(c.GetProperties().dexerty));
+       c.SetBackgroundTask(std::unique_ptr<Goal>(new BlobBackgroundTask(c)));
        c.AddGoal(std::unique_ptr<Goal>(new IdleGoal(c)));
 }
 
@@ -626,6 +637,7 @@ void Situation::SetPlanetSurface(world::Planet &p, int srf, const glm::dvec3 &po
 Steering::Steering(const Creature &c)
 : c(c)
 , target(0.0)
+, haste(0.0)
 , max_accel(1.0)
 , max_speed(1.0)
 , min_dist(0.0)
@@ -670,7 +682,9 @@ void Steering::GoTo(const glm::dvec3 &t) noexcept {
 }
 
 glm::dvec3 Steering::Acceleration(const Situation::State &s) const noexcept {
-       glm::dvec3 acc(0.0);
+       double speed = max_speed * glm::clamp(max_speed * haste * haste, 0.25, 1.0);
+       double accel = max_speed * glm::clamp(max_accel * haste * haste, 0.5, 1.0);
+       glm::dvec3 result(0.0);
        if (separating) {
                // TODO: off surface situation
                glm::dvec3 repulse(0.0);
@@ -684,33 +698,33 @@ glm::dvec3 Steering::Acceleration(const Situation::State &s) const noexcept {
                                repulse += normalize(diff) * (1.0 - sep / min_dist);
                        }
                }
-               SumForce(acc, repulse);
+               SumForce(result, repulse, accel);
        }
        if (halting) {
-               SumForce(acc, s.vel * -max_accel);
+               SumForce(result, s.vel * -accel, accel);
        }
        if (seeking) {
                glm::dvec3 diff = target - s.pos;
                if (!allzero(diff)) {
-                       SumForce(acc, TargetVelocity(s, (normalize(diff) * max_speed)));
+                       SumForce(result, TargetVelocity(s, (normalize(diff) * speed), accel), accel);
                }
        }
        if (arriving) {
                glm::dvec3 diff = target - s.pos;
                double dist = length(diff);
                if (!allzero(diff) && dist > std::numeric_limits<double>::epsilon()) {
-                       SumForce(acc, TargetVelocity(s, diff * std::min(dist * max_accel, max_speed) / dist));
+                       SumForce(result, TargetVelocity(s, diff * std::min(dist * accel, speed) / dist, accel), accel);
                }
        }
-       return acc;
+       return result;
 }
 
-bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in) const noexcept {
+bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in, double max) const noexcept {
        if (allzero(in) || anynan(in)) {
                return false;
        }
        double cur = allzero(out) ? 0.0 : length(out);
-       double rem = max_accel - cur;
+       double rem = max - cur;
        if (rem < 0.0) {
                return true;
        }
@@ -726,8 +740,8 @@ bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in) const noexcept {
        }
 }
 
-glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel) const noexcept {
-       return (vel - s.vel) * max_accel;
+glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel, double acc) const noexcept {
+       return (vel - s.vel) * acc;
 }
 
 }