const Genome::Properties<double> &GetProperties() const noexcept { return properties; }
const Genome::PropertySet<double> &CurProps() const noexcept { return properties.props[cur_prop]; }
- const Genome::PropertySet<double> &NextProps() const noexcept { return properties.props[cur_prop + 1]; }
+ const Genome::PropertySet<double> &NextProps() const noexcept { return properties.props[std::min(5, cur_prop + 1)]; }
void BaseColor(const glm::dvec3 &c) noexcept { base_color = c; }
const glm::dvec3 &BaseColor() const noexcept { return base_color; }
void Mass(double m) noexcept { mass = m; size = std::cbrt(mass / density); }
double Mass() const noexcept { return mass; }
- void Grow(double amount) noexcept;
+ void Ingest(int res, double amount) noexcept;
void Density(double d) noexcept { density = d; size = std::cbrt(mass / density); }
double Density() const noexcept { return density; }
double Size() const noexcept;
double Age() const noexcept;
+ std::string AgeName() const;
double AgeLerp(double from, double to) const noexcept;
// change of giving birth per tick
double Fertility() const noexcept;
template<class T>
struct PropertySet {
+ /// the age at which to transition to the next phase
T age;
+ /// maximum body mass
T mass;
+ /// fertility factor
T fertility;
+ /// skin highlight pronounciation
T highlight;
};
template<class T>
const PropertySet<T> &Elder() const noexcept { return props[4]; }
PropertySet<T> &Death() noexcept { return props[5]; }
const PropertySet<T> &Death() const noexcept { return props[5]; }
+
+ /// "typical" properties
+ /// every one of these should have at least one
+ /// negative impact to prevent super-beings evolving
+ /// power at the cost of higher solid intake
+ T strength;
+ /// more endurance at the cost of higher liquid intake
+ T stamina;
+ /// more speed at the cost of higher fatigue
+ T dexerty;
+ /// higher mental capacity at the cost of boredom
+ T intelligence;
+ /// how likely to mutate
+ T mutability;
};
Properties<math::Distribution> properties;
Instantiate(p.props[2], rand),
Instantiate(p.props[3], rand),
Instantiate(p.props[4], rand),
- Instantiate(p.props[5], rand)
+ Instantiate(p.props[5], rand),
+ p.strength.FakeNormal(rand.SNorm()),
+ p.stamina.FakeNormal(rand.SNorm()),
+ p.dexerty.FakeNormal(rand.SNorm()),
+ p.intelligence.FakeNormal(rand.SNorm()),
+ p.mutability.FakeNormal(rand.SNorm())
};
}
return glm::dvec4(highlight_color, AgeLerp(CurProps().highlight, NextProps().highlight));
}
-void Creature::Grow(double amount) noexcept {
- const double max_mass = AgeLerp(CurProps().mass, NextProps().mass);
- Mass(std::min(max_mass, mass + amount));
+void Creature::Ingest(int res, double amount) noexcept {
+ const Genome::Composition *cmp = nullptr;
+ for (const auto &c : genome.composition) {
+ if (c.resource == res) {
+ cmp = &c;
+ break;
+ }
+ }
+ if (cmp) {
+ const double max_mass = AgeLerp(CurProps().mass, NextProps().mass);
+ Mass(std::min(max_mass, mass + amount));
+ } else {
+ // foreign material. poisonous?
+ }
}
void Creature::Hurt(double dt) noexcept {
return sim.Time() - birth;
}
+std::string Creature::AgeName() const {
+ switch (cur_prop) {
+ case 0:
+ return "Newborn";
+ case 1:
+ return "Child";
+ case 2:
+ return "Youth";
+ case 3:
+ return "Adult";
+ case 4:
+ return "Elder";
+ case 5:
+ return "Dead";
+ default:
+ return "Unknown";
+ }
+}
+
double Creature::AgeLerp(double from, double to) const noexcept {
return glm::mix(from, to, glm::smoothstep(CurProps().age, NextProps().age, Age()));
}
}
void Creature::Tick(double dt) {
- if (cur_prop < 5 && Age() > properties.props[cur_prop + 1].age) {
- if (cur_prop == 4) {
+ if (cur_prop < 5 && Age() > NextProps().age) {
+ ++cur_prop;
+ if (cur_prop == 5) {
std::cout << "[" << int(sim.Time()) << "s] "
<< name << " died of old age" << std::endl;
Die();
- } else {
- ++cur_prop;
}
}
genome.properties.Death().fertility = { 0.0, 0.0 };
genome.properties.Death().highlight = { 0.5, 0.1 };
+ genome.properties.strength = { 1.0, 0.1 };
+ genome.properties.stamina = { 1.0, 0.1 };
+ genome.properties.dexerty = { 1.0, 0.1 };
+ genome.properties.intelligence = { 1.0, 0.1 };
+ genome.properties.mutability = { 1.0, 0.1 };
+
glm::dvec3 color_avg(0.0);
double color_divisor = 0.0;
double mass = 0.0;
double volume = 0.0;
for (const auto &comp : composition) {
+ const world::Resource &resource = c.GetSimulation().Resources()[comp.resource];
double comp_mass = comp.mass.FakeNormal(random.SNorm());
double intake = comp.intake.FakeNormal(random.SNorm());
double penalty = comp.penalty.FakeNormal(random.SNorm());
volume += comp_mass / c.GetSimulation().Resources()[comp.resource].density;
std::unique_ptr<Need> need;
- if (c.GetSimulation().Resources()[comp.resource].state == world::Resource::SOLID) {
+ if (resource.state == world::Resource::SOLID) {
+ intake *= std::atan(c.GetProperties().strength);
need.reset(new IngestNeed(comp.resource, intake, penalty));
need->gain = intake * 0.05;
- } else if (c.GetSimulation().Resources()[comp.resource].state == world::Resource::LIQUID) {
+ } else if (resource.state == world::Resource::LIQUID) {
+ intake *= std::atan(c.GetProperties().stamina);
need.reset(new IngestNeed(comp.resource, intake, penalty));
need->gain = intake * 0.1;
} else {
need->gain = intake * 0.5;
}
need->name = c.GetSimulation().Resources()[comp.resource].label;
- need->growth = comp.growth.FakeNormal(random.SNorm());
need->inconvenient = 0.5;
need->critical = 0.95;
c.AddNeed(std::move(need));
c.Mass(c.GetProperties().props[0].mass);
c.Density(mass / volume);
- c.GetSteering().MaxAcceleration(1.4);
- c.GetSteering().MaxSpeed(4.4);
+ c.GetSteering().MaxAcceleration(1.4 * std::atan(c.GetProperties().strength));
+ c.GetSteering().MaxSpeed(4.4 * std::atan(c.GetProperties().dexerty));
c.AddGoal(std::unique_ptr<Goal>(new IdleGoal(c)));
}
Steering::Steering()
-: seek_target(0.0)
+: target(0.0)
, max_accel(1.0)
, max_speed(1.0)
, halting(false)
-, seeking(false) {
+, seeking(false)
+, arriving(false) {
}
Steering::~Steering() {
void Steering::Halt() noexcept {
halting = true;
seeking = false;
+ arriving = false;
}
-void Steering::GoTo(const glm::dvec3 &t) noexcept {
- seek_target = t;
+void Steering::Pass(const glm::dvec3 &t) noexcept {
+ target = t;
halting = false;
seeking = true;
+ arriving = false;
+}
+
+void Steering::GoTo(const glm::dvec3 &t) noexcept {
+ target = t;
+ halting = false;
+ seeking = false;
+ arriving = true;
}
glm::dvec3 Steering::Acceleration(const Situation::State &s) const noexcept {
SumForce(acc, s.vel * -max_accel);
}
if (seeking) {
- glm::dvec3 diff = seek_target - s.pos;
+ glm::dvec3 diff = target - s.pos;
if (!allzero(diff)) {
- SumForce(acc, ((normalize(diff) * max_speed) - s.vel) * max_accel);
+ SumForce(acc, TargetVelocity(s, (normalize(diff) * max_speed)));
+ }
+ }
+ 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));
}
}
return acc;
}
}
+glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel) const noexcept {
+ return (vel - s.vel) * max_accel;
+}
+
}
}