, mass(1.0)
, size(1.0)
, birth(sim.Time())
-, death(0.0)
+, death(-1.0)
, on_death()
, removable(false)
, parents()
// 10% of fluids stays in body
AddMass(res, amount * 0.05);
}
+ math::GaloisLFSR &random = sim.Assets().random;
+ if (random.UNorm() < AdaptChance()) {
+ // change color to be slightly more like resource
+ glm::dvec3 color(rgb2hsl(sim.Resources()[res].base_color));
+ // solids affect base color, others highlight
+ double p = sim.Resources()[res].state == world::Resource::SOLID ? 0 : 1;
+ double q = random.UInt(3); // hue, sat, or val
+ double r = random.UInt(2); // mean or deviation
+ math::Distribution *d = nullptr;
+ double ref = 0.0;
+ if (p == 0) {
+ if (q == 0) {
+ d = &genome.base_hue;
+ ref = color.x;
+ } else if (q == 1) {
+ d = &genome.base_saturation;
+ ref = color.y;
+ } else {
+ d = &genome.base_lightness;
+ ref = color.z;
+ }
+ } else {
+ if (q == 0) {
+ d = &genome.highlight_hue;
+ ref = color.x;
+ } else if (q == 1) {
+ d = &genome.highlight_saturation;
+ ref = color.y;
+ } else {
+ d = &genome.highlight_lightness;
+ ref = color.z;
+ }
+ }
+ if (r == 0) {
+ double diff = ref - d->Mean();
+ if (q == 0) {
+ if (diff < -0.5) {
+ diff += 1.0;
+ } else if (diff > 0.5) {
+ diff -= 1.0;
+ }
+ // move ±15% of distance
+ d->Mean(std::fmod(d->Mean() + diff * random.SNorm() * 0.15, 1.0));
+ } else {
+ d->Mean(glm::clamp(d->Mean() + diff * random.SNorm() * 0.15, 0.0, 1.0));
+ }
+ } else {
+ // scale by ±15%, enforce bounds
+ d->StandardDeviation(glm::clamp(d->StandardDeviation() * (1.0 + random.SNorm() * 0.15), 0.0001, 0.5));
+ }
+ }
}
void Creature::DoWork(double amount) noexcept {
void Creature::Hurt(double amount) noexcept {
stats.Damage().Add(amount);
if (stats.Damage().Full()) {
- std::cout << "[" << ui::TimeString(sim.Time()) << "] " << name << " ";
+ Die();
+ }
+}
+
+void Creature::Die() noexcept {
+ if (Dead()) return;
+
+ if (stats.Damage().Full()) {
+ std::ostream &log = sim.Log() << name << " ";
if (stats.Exhaustion().Full()) {
- std::cout << "died of exhaustion";
+ log << "died of exhaustion";
} else if (stats.Breath().Full()) {
- std::cout << "suffocated";
+ log << "suffocated";
} else if (stats.Thirst().Full()) {
- std::cout << "died of thirst";
+ log << "died of thirst";
} else if (stats.Hunger().Full()) {
- std::cout << "starved to death";
+ log << "starved to death";
} else {
- std::cout << "succumed to wounds";
+ log << "succumed to wounds";
}
- std::cout << " at an age of " << ui::TimeString(Age())
+ log << " at an age of " << ui::TimeString(Age())
<< " (" << ui::PercentageString(Age() / properties.Lifetime())
- << "% of life expectancy of " << ui::TimeString(properties.Lifetime())
+ << " of life expectancy of " << ui::TimeString(properties.Lifetime())
<< ")" << std::endl;
- Die();
}
-}
-void Creature::Die() noexcept {
sim.SetDead(this);
death = sim.Time();
- steering.Halt();
+ steering.Off();
if (on_death) {
on_death(*this);
}
Remove();
}
+bool Creature::Dead() const noexcept {
+ return death > birth;
+}
+
void Creature::Remove() noexcept {
removable = true;
}
return properties.Mutability();
}
+double Creature::Adaptability() const noexcept {
+ return properties.Adaptability();
+}
+
double Creature::OffspringMass() const noexcept {
return properties.OffspringMass();
}
+double Creature::PerceptionRange() const noexcept {
+ return 3.0 * (Dexerty() / (Dexerty() + 1)) + Size();
+}
+
+double Creature::PerceptionOmniRange() const noexcept {
+ return 0.5 * (Dexerty() / (Dexerty() + 1)) + Size();
+}
+
+double Creature::PerceptionField() const noexcept {
+ // this is the cosine of half the angle, so 1.0 is none, -1.0 is perfect
+ return 0.8 - (Dexerty() / (Dexerty() + 1));
+}
+
+bool Creature::PerceptionTest(const glm::dvec3 &p) const noexcept {
+ const glm::dvec3 diff(p - situation.Position());
+ double omni_range = PerceptionOmniRange();
+ if (length2(diff) < omni_range * omni_range) return true;
+ double range = PerceptionRange();
+ if (length2(diff) > range * range) return false;
+ return dot(normalize(diff), situation.Heading()) > PerceptionField();
+}
+
double Creature::OffspringChance() const noexcept {
return AgeFactor(0.25) * properties.Fertility() * (1.0 / 3600.0);
}
return GetProperties().Mutability() * (1.0 / 3600.0);
}
+double Creature::AdaptChance() const noexcept {
+ return GetProperties().Adaptability() * (1.0 / 120.0);
+}
+
void Creature::AddGoal(std::unique_ptr<Goal> &&g) {
g->Enable();
goals.emplace_back(std::move(g));
for (auto &s : stats.stat) {
s.Add(s.gain * dt);
}
- stats.Breath().Add(stats.Breath().gain * stats.Exhaustion().value * dt);
// TODO: damage values depending on properties
if (stats.Breath().Full()) {
constexpr double dps = 1.0 / 4.0;
genome.properties.Intelligence() = { 1.0, 0.1 };
genome.properties.Lifetime() = { 480.0, 60.0 };
genome.properties.Fertility() = { 0.5, 0.03 };
- genome.properties.Mutability() = { 1.0, 0.1 };
+ genome.properties.Mutability() = { 0.9, 0.1 };
+ genome.properties.Adaptability() = { 0.9, 0.1 };
genome.properties.OffspringMass() = { 0.3, 0.02 };
glm::dvec3 color_avg(0.0);
genome.base_hue = { hsl.x, 0.01 };
genome.base_saturation = { hsl.y, 0.01 };
genome.base_lightness = { hsl.z, 0.01 };
+ // use opposite color as start highlight
+ genome.highlight_hue = { std::fmod(hsl.x + 0.5, 1.0), 0.01 };
+ genome.highlight_saturation = { 1.0 - hsl.y, 0.01 };
+ genome.highlight_lightness = { 1.0 - hsl.z, 0.01 };
genome.Configure(c);
}
glm::clamp(base_lightness.FakeNormal(random.SNorm()), 0.0, 1.0)
);
glm::dvec3 highlight_color(
- std::fmod(base_color.x + 0.5, 1.0),
- 1.0 - base_color.y,
- 1.0 - base_color.z
+ std::fmod(highlight_hue.FakeNormal(random.SNorm()) + 1.0, 1.0),
+ glm::clamp(highlight_saturation.FakeNormal(random.SNorm()), 0.0, 1.0),
+ glm::clamp(highlight_lightness.FakeNormal(random.SNorm()), 0.0, 1.0)
);
c.BaseColor(hsl2rgb(base_color));
c.HighlightColor(hsl2rgb(highlight_color));
s.GetPlanet(), s.Surface(),
s.Position() + glm::dvec3(0.0, 0.55 * a->Size(), 0.0));
a->BuildVAO();
- std::cout << "[" << ui::TimeString(c.GetSimulation().Time()) << "] "
- << a->Name() << " was born" << std::endl;
+ c.GetSimulation().Log() << a->Name() << " was born" << std::endl;
Creature *b = new Creature(c.GetSimulation());
b->AddParent(c);
s.GetPlanet(), s.Surface(),
s.Position() - glm::dvec3(0.0, 0.55 * b->Size(), 0.0));
b->BuildVAO();
- std::cout << "[" << ui::TimeString(c.GetSimulation().Time()) << "] "
- << b->Name() << " was born" << std::endl;
+ c.GetSimulation().Log() << b->Name() << " was born" << std::endl;
c.Die();
}
}
bool Situation::OnTile() const noexcept {
+ if (type != PLANET_SURFACE) return false;
glm::ivec2 t(planet->SurfacePosition(surface, state.pos));
- return type == PLANET_SURFACE
- && t.x >= 0 && t.x < planet->SideLength()
+ return t.x >= 0 && t.x < planet->SideLength()
&& t.y >= 0 && t.y < planet->SideLength();
}
Steering::~Steering() {
}
+void Steering::Off() noexcept {
+ separating = false;
+ halting = false;
+ seeking = false;
+ arriving = false;
+}
+
void Steering::Separate(double min_distance, double max_lookaround) noexcept {
separating = true;
min_dist = min_distance;
if (&*other == &c) continue;
glm::dvec3 diff = s.Position() - other->GetSituation().Position();
if (length2(diff) > max_look * max_look) continue;
- double sep = length(diff) - other->Size() * 0.707 - c.Size() * 0.707;
- if (sep < min_dist) {
- repulse += normalize(diff) * (1.0 - sep / min_dist);
- }
+ if (!c.PerceptionTest(other->GetSituation().Position())) continue;
+ double sep = glm::clamp(length(diff) - other->Size() * 0.707 - c.Size() * 0.707, 0.0, min_dist);
+ repulse += normalize(diff) * (1.0 - sep / min_dist) * force;
}
- SumForce(result, repulse, force);
+ result += repulse;
}
if (halting) {
// break twice as hard
- SumForce(result, s.vel * force * -2.0, force);
+ result += -2.0 * s.vel * force;
}
if (seeking) {
glm::dvec3 diff = target - s.pos;
if (!allzero(diff)) {
- SumForce(result, TargetVelocity(s, (normalize(diff) * speed), force), force);
+ result += TargetVelocity(s, (normalize(diff) * speed), force);
}
}
if (arriving) {
glm::dvec3 diff = target - s.pos;
double dist = length(diff);
if (!allzero(diff) && dist > std::numeric_limits<double>::epsilon()) {
- SumForce(result, TargetVelocity(s, diff * std::min(dist * force, speed) / dist, force), force);
+ result += TargetVelocity(s, diff * std::min(dist * force, speed) / dist, force);
}
}
- return result;
-}
-
-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 - cur;
- if (rem < 0.0) {
- return true;
- }
- double add = length(in);
- if (add > rem) {
- // this method is off if in and out are in different
- // directions, but gives okayish results
- out += in * (1.0 / add);
- return true;
- } else {
- out += in;
- return false;
+ if (length2(result) > max_force * max_force) {
+ result = normalize(result) * max_force;
}
+ return result;
}
glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel, double acc) const noexcept {