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 {
- if (Dead()) return;
sim.SetDead(this);
death = sim.Time();
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);
}
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;
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();
}
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;
}
result += repulse;
}