#include "Situation.hpp"
#include "Steering.hpp"
+#include "AttackGoal.hpp"
#include "BlobBackgroundTask.hpp"
#include "Goal.hpp"
#include "IdleGoal.hpp"
namespace blobs {
namespace creature {
-Composition::Composition()
-: components()
-, total_mass(0.0) {
+Composition::Composition(const world::Set<world::Resource> &resources)
+: resources(resources)
+, components()
+, total_mass(0.0)
+, total_volume(0.0)
+, state_mass{0.0} {
}
Composition::~Composition() {
if (c->resource == res) {
c->value += amount;
if (c->value <= 0.0) {
+ amount += c->value;
components.erase(c);
}
found = true;
components.emplace_back(res, amount);
}
std::sort(components.begin(), components.end(), CompositionCompare);
+ state_mass[resources[res].state] += amount;
total_mass += amount;
+ total_volume += amount / resources[res].density;
}
bool Composition::Has(int res) const noexcept {
return Get(res) / TotalMass();
}
-double Composition::Compatibility(const world::Set<world::Resource> &resources, int res) const noexcept {
+double Composition::StateProportion(int res) const noexcept {
+ return Get(res) / StateMass(resources[res].state);
+}
+
+double Composition::Compatibility(int res) const noexcept {
if (Has(res)) {
- return Proportion(res);
+ return StateProportion(res);
}
double max_compat = -1.0;
double min_compat = 1.0;
for (const auto &c : components) {
- double prop = c.value / TotalMass();
+ double prop = c.value / StateMass(resources[res].state);
for (const auto &compat : resources[c.resource].compatibility) {
double value = compat.second * prop;
if (value > max_compat) {
, name()
, genome()
, properties()
-, composition()
+, composition(sim.Resources())
, base_color(1.0)
, highlight_color(0.0, 0.0, 0.0, 1.0)
, mass(1.0)
, goals()
, situation()
, steering(*this)
+, heading_target(0.0, 0.0, -1.0)
+, heading_manual(false)
+, perception_range(1.0)
+, perception_range_squared(1.0)
+, perception_omni_range(1.0)
+, perception_omni_range_squared(1.0)
+, perception_field(1.0)
, vao() {
sim.SetAlive(this);
// all creatures avoid each other for now
double nonsolid = 0.0;
double volume = 0.0;
for (const auto &c : composition) {
- volume += c.value / sim.Assets().data.resources[c.resource].density;
- if (sim.Assets().data.resources[c.resource].state != world::Resource::SOLID) {
+ volume += c.value / sim.Resources()[c.resource].density;
+ if (sim.Resources()[c.resource].state != world::Resource::SOLID) {
nonsolid += c.value;
}
}
void Creature::Ingest(int res, double amount) noexcept {
if (sim.Resources()[res].state == world::Resource::SOLID) {
// 30% of solids stays in body
- AddMass(res, amount * 0.3 * composition.Compatibility(sim.Resources(), res));
+ AddMass(res, amount * 0.3 * composition.Compatibility(res));
} else {
- // 10% of fluids stays in body
- AddMass(res, amount * 0.1 * composition.Compatibility(sim.Resources(), res));
+ // 5% of fluids stays in body
+ AddMass(res, amount * 0.05 * composition.Compatibility(res));
}
math::GaloisLFSR &random = sim.Assets().random;
if (random.UNorm() < AdaptChance()) {
} 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));
+ // move 0-15% of distance
+ d->Mean(std::fmod(d->Mean() + diff * random.UNorm() * 0.15, 1.0));
} else {
- d->Mean(glm::clamp(d->Mean() + diff * random.SNorm() * 0.15, 0.0, 1.0));
+ d->Mean(glm::clamp(d->Mean() + diff * random.UNorm() * 0.15, 0.0, 1.0));
}
} else {
// scale by ±15%, enforce bounds
}
double Creature::StrengthFactor() const noexcept {
- return Strength() / (Strength() + 1.0);
+ double str = Strength();
+ return str / (str + 1.0);
}
double Creature::Stamina() const noexcept {
}
double Creature::StaminaFactor() const noexcept {
- return Stamina() / (Stamina() + 1.0);
+ double stm = Stamina();
+ return stm / (stm + 1.0);
}
double Creature::Dexerty() const noexcept {
}
double Creature::DexertyFactor() const noexcept {
- return Dexerty() / (Dexerty() + 1.0);
+ double dex = Dexerty();
+ return dex / (dex + 1.0);
}
double Creature::Intelligence() const noexcept {
}
double Creature::IntelligenceFactor() const noexcept {
- return Intelligence() / (Intelligence() + 1.0);
+ double intl = Intelligence();
+ return intl / (intl + 1.0);
}
double Creature::Lifetime() const noexcept {
}
double Creature::PerceptionRange() const noexcept {
- return 3.0 * DexertyFactor() + Size();
+ return perception_range;
}
double Creature::PerceptionOmniRange() const noexcept {
- return 0.5 * DexertyFactor() + Size();
+ return perception_omni_range;
}
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 - DexertyFactor();
+ return perception_field;
}
bool Creature::PerceptionTest(const glm::dvec3 &p) const noexcept {
const glm::dvec3 diff(p - situation.Position());
- double omni_range = PerceptionOmniRange();
- if (glm::length2(diff) < omni_range * omni_range) return true;
- double range = PerceptionRange();
- if (glm::length2(diff) > range * range) return false;
- return glm::dot(glm::normalize(diff), situation.Heading()) > PerceptionField();
+ double ldiff = glm::length2(diff);
+ if (ldiff < perception_omni_range_squared) return true;
+ if (ldiff > perception_range_squared) return false;
+ return glm::dot(diff / std::sqrt(ldiff), situation.Heading()) > perception_field;
}
double Creature::OffspringChance() const noexcept {
goals.emplace_back(std::move(g));
}
+void Creature::SetBackgroundTask(std::unique_ptr<Goal> &&g) {
+ bg_task = std::move(g);
+}
+
+Goal &Creature::BackgroundTask() {
+ return *bg_task;
+}
+
namespace {
bool GoalCompare(const std::unique_ptr<Goal> &a, const std::unique_ptr<Goal> &b) {
}
void Creature::Tick(double dt) {
+ Cache();
TickState(dt);
TickStats(dt);
TickBrain(dt);
}
+void Creature::Cache() noexcept {
+ double dex_fact = DexertyFactor();
+ perception_range = 3.0 * dex_fact + size;
+ perception_range_squared = perception_range * perception_range;
+ perception_omni_range = 0.5 * dex_fact + size;
+ perception_omni_range_squared = perception_omni_range * perception_omni_range;
+ // this is the cosine of half the angle, so 1.0 is none, -1.0 is perfect
+ perception_field = 0.8 - dex_fact;
+}
+
void Creature::TickState(double dt) {
steering.MaxSpeed(Dexerty());
steering.MaxForce(Strength());
state.pos += f.vel * dt;
state.vel += f.acc * dt;
situation.EnforceConstraints(state);
- if (glm::length2(state.vel) > 0.000001) {
- glm::dvec3 nvel(glm::normalize(state.vel));
- double ang = glm::angle(nvel, state.dir);
- double turn_rate = PI * 0.75 * dt;
- if (ang < turn_rate) {
- state.dir = glm::normalize(state.vel);
- } else if (std::abs(ang - PI) < 0.001) {
- state.dir = glm::rotate(state.dir, turn_rate, situation.GetPlanet().NormalAt(state.pos));
- } else {
- state.dir = glm::rotate(state.dir, turn_rate, glm::normalize(glm::cross(state.dir, nvel)));
+
+ if (!heading_manual && glm::length2(state.vel) > 0.000001) {
+ const glm::dvec3 normal(situation.GetPlanet().NormalAt(state.pos));
+ const glm::dvec3 tangent(state.vel - (normal * glm::dot(state.vel, normal)));
+ if (glm::length2(tangent) > 0.000001) {
+ heading_target = glm::normalize(tangent);
}
}
+ double ang = glm::angle(heading_target, state.dir);
+ double turn_rate = PI * 0.75 * dt;
+ if (ang < turn_rate) {
+ state.dir = heading_target;
+ heading_manual = false;
+ } else {
+ state.dir = glm::rotate(state.dir, turn_rate, glm::normalize(glm::cross(state.dir, heading_target)));
+ }
+
situation.SetState(state);
// work is force times distance
- DoWork(glm::length(f.acc) * Mass() * glm::length(f.vel) * dt);
+ // keep 10% of gravity as a kind of background burn
+ DoWork(glm::length(f.acc - (0.9 * situation.GetPlanet().GravityAt(state.pos))) * Mass() * glm::length(f.vel) * dt);
}
Situation::Derivative Creature::Step(const Situation::Derivative &ds, double dt) const noexcept {
Situation::State s = situation.GetState();
s.pos += ds.vel * dt;
s.vel += ds.acc * dt;
+ situation.EnforceConstraints(s);
glm::dvec3 force(steering.Force(s));
// gravity = antinormal * mass * Gm / r²
- double elevation = situation.GetPlanet().DistanceAt(s.pos);
glm::dvec3 normal(situation.GetPlanet().NormalAt(s.pos));
force += glm::dvec3(
-normal
- * Mass() * situation.GetPlanet().GravitationalParameter()
- / (elevation * elevation));
+ * (Mass() * situation.GetPlanet().GravitationalParameter()
+ / glm::length2(s.pos)));
// if net force is applied and in contact with surface
- if (!allzero(force) && std::abs(std::abs(elevation) - situation.GetPlanet().Radius()) < 0.001) {
- // apply friction = -|normal force| * tangential force * coefficient
+ if (!allzero(force) && !allzero(s.vel) && glm::length2(s.pos) < (situation.GetPlanet().Radius() + 0.01) * (situation.GetPlanet().Radius() + 0.01)) {
+ // apply friction
glm::dvec3 fn(normal * glm::dot(force, normal));
+ // TODO: friction somehow bigger than force?
glm::dvec3 ft(force - fn);
double u = 0.4;
- glm::dvec3 friction(-glm::length(fn) * ft * u);
+ glm::dvec3 friction(-glm::clamp(glm::length(ft), 0.0, glm::length(fn) * u) * glm::normalize(s.vel));
force += friction;
}
return {
}
}
-math::AABB Creature::CollisionBox() const noexcept {
+math::AABB Creature::CollisionBounds() const noexcept {
return { glm::dvec3(size * -0.5), glm::dvec3(size * 0.5) };
}
* glm::translate(glm::dvec3(0.0, half_size, 0.0));
}
+void Creature::OnCollide(Creature &other) {
+ memory.TrackCollision(other);
+}
+
glm::dmat4 Creature::LocalTransform() noexcept {
const double half_size = size * 0.5;
return CollisionTransform()
p.AddCreature(&c);
c.GetSituation().SetPlanetSurface(p, glm::dvec3(0.0, 0.0, p.Radius()));
c.GetSituation().Heading(glm::dvec3(1.0, 0.0, 0.0));
+ c.HeadingTarget(glm::dvec3(1.0, 0.0, 0.0));
// probe surrounding area for common resources
int start = p.SideLength() / 2 - 2;
// TODO: duplicate situation somehow
a->GetSituation().SetPlanetSurface(
s.GetPlanet(),
- s.Position() + glm::rotate(s.Heading() * a->Size() * 0.6, PI * 0.5, s.SurfaceNormal()));
+ s.Position() + glm::rotate(s.Heading() * a->Size() * 0.86, PI * 0.5, s.SurfaceNormal()));
a->BuildVAO();
c.GetSimulation().Log() << a->Name() << " was born" << std::endl;
s.GetPlanet().AddCreature(b);
b->GetSituation().SetPlanetSurface(
s.GetPlanet(),
- s.Position() + glm::rotate(s.Heading() * b->Size() * 0.6, PI * -0.5, s.SurfaceNormal()));
+ s.Position() + glm::rotate(s.Heading() * b->Size() * 0.86, PI * -0.5, s.SurfaceNormal()));
b->BuildVAO();
c.GetSimulation().Log() << b->Name() << " was born" << std::endl;
void Memory::Erase() {
known_types.clear();
+ known_creatures.clear();
}
bool Memory::RememberLocation(const Composition &accept, glm::dvec3 &pos) const noexcept {
c.GetSimulation().Assets().random.SNorm(),
c.GetSimulation().Assets().random.SNorm(),
c.GetSimulation().Assets().random.SNorm());
- pos += error * (2.0 * (1.0 - c.IntelligenceFactor()));
+ pos += error * (4.0 * (1.0 - c.IntelligenceFactor()));
pos = glm::normalize(pos) * c.GetSituation().GetPlanet().Radius();
return true;
} else {
}
}
+void Memory::TrackCollision(Creature &other) {
+ // TODO: find out whose fault it was
+ // TODO: source values from personality
+ Profile &p = known_creatures[&other];
+ p.annoyance += 0.1;
+ const double annoy_fact = p.annoyance / (p.annoyance + 1.0);
+ if (c.GetSimulation().Assets().random.UNorm() > annoy_fact * 0.1 * (1.0 - c.GetStats().Damage().value)) {
+ AttackGoal *g = new AttackGoal(c, other);
+ g->SetDamageTarget(annoy_fact);
+ g->Urgency(annoy_fact);
+ c.AddGoal(std::unique_ptr<Goal>(g));
+ p.annoyance *= 0.5;
+ }
+}
+
void Memory::Tick(double dt) {
Situation &s = c.GetSituation();
if (s.OnSurface()) {
return type == PLANET_SURFACE;
}
+bool Situation::OnGround() const noexcept {
+ return OnSurface() && glm::length2(state.pos) < (planet->Radius() + 0.05) * (planet->Radius() + 0.05);
+}
+
glm::dvec3 Situation::SurfaceNormal() const noexcept {
return planet->NormalAt(state.pos);
}
EnforceConstraints(state);
}
-void Situation::EnforceConstraints(State &s) noexcept {
+void Situation::EnforceConstraints(State &s) const noexcept {
if (OnSurface()) {
double r = GetPlanet().Radius();
if (glm::length2(s.pos) < r * r) {
- s.pos = glm::normalize(s.pos) * r;
+ const glm::dvec3 normal(GetPlanet().NormalAt(s.pos));
+ s.pos = normal * r;
+ s.vel -= normal * glm::dot(normal, s.vel);
}
}
}
result += TargetVelocity(s, diff * std::min(dist * force, speed) / dist, force);
}
}
+ // remove vertical component, if any
+ const glm::dvec3 normal(c.GetSituation().GetPlanet().NormalAt(s.pos));
+ result -= normal * glm::dot(normal, result);
+ // clamp to max
if (glm::length2(result) > max_force * max_force) {
result = glm::normalize(result) * max_force;
}
projects / blobs.git / blobdiff