+#include "Composition.hpp"
#include "Creature.hpp"
#include "Genome.hpp"
+#include "Memory.hpp"
+#include "NameGenerator.hpp"
#include "Situation.hpp"
#include "Steering.hpp"
+#include "AttackGoal.hpp"
+#include "BlobBackgroundTask.hpp"
#include "Goal.hpp"
#include "IdleGoal.hpp"
-#include "InhaleNeed.hpp"
-#include "IngestNeed.hpp"
-#include "Need.hpp"
#include "../app/Assets.hpp"
+#include "../math/const.hpp"
+#include "../ui/string.hpp"
#include "../world/Body.hpp"
#include "../world/Planet.hpp"
#include "../world/Simulation.hpp"
#include "../world/TileType.hpp"
#include <algorithm>
+#include <sstream>
#include <glm/gtx/transform.hpp>
+#include <glm/gtx/vector_angle.hpp>
#include <iostream>
#include <glm/gtx/io.hpp>
namespace blobs {
namespace creature {
+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() {
+}
+
+namespace {
+bool CompositionCompare(const Composition::Component &a, const Composition::Component &b) {
+ return b.value < a.value;
+}
+}
+
+void Composition::Add(int res, double amount) {
+ bool found = false;
+ for (auto c = components.begin(); c != components.end(); ++c) {
+ if (c->resource == res) {
+ c->value += amount;
+ if (c->value <= 0.0) {
+ amount += c->value;
+ components.erase(c);
+ }
+ found = true;
+ break;
+ }
+ }
+ if (!found && amount > 0.0) {
+ 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 {
+ for (auto &c : components) {
+ if (c.resource == res) {
+ return true;
+ }
+ }
+ return false;
+}
+
+double Composition::Get(int res) const noexcept {
+ for (auto &c : components) {
+ if (c.resource == res) {
+ return c.value;
+ }
+ }
+ return 0.0;
+}
+
+double Composition::Proportion(int res) const noexcept {
+ return Get(res) / TotalMass();
+}
+
+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 StateProportion(res);
+ }
+ double max_compat = -1.0;
+ double min_compat = 1.0;
+ for (const auto &c : components) {
+ 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) {
+ max_compat = value;
+ }
+ if (value < min_compat) {
+ min_compat = value;
+ }
+ }
+ }
+ if (min_compat < 0.0) {
+ return min_compat;
+ } else {
+ return max_compat;
+ }
+}
+
+
Creature::Creature(world::Simulation &sim)
: sim(sim)
, name()
, genome()
+, properties()
+, composition(sim.Resources())
+, base_color(1.0)
+, highlight_color(0.0, 0.0, 0.0, 1.0)
, mass(1.0)
-, density(1.0)
, size(1.0)
, birth(sim.Time())
-, health(1.0)
+, death(-1.0)
, on_death()
, removable(false)
-, needs()
+, parents()
+, stats()
+, memory(*this)
+, bg_task()
, goals()
, situation()
-, steering()
-, vel(0.0)
+, 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
+ steering.Separate(0.1, 1.5);
}
Creature::~Creature() {
}
-void Creature::Grow(double amount) noexcept {
- Mass(std::min(properties.max_mass, mass + amount));
+void Creature::AddMass(int res, double amount) {
+ composition.Add(res, amount);
+ double nonsolid = 0.0;
+ double volume = 0.0;
+ for (const auto &c : composition) {
+ volume += c.value / sim.Resources()[c.resource].density;
+ if (sim.Resources()[c.resource].state != world::Resource::SOLID) {
+ nonsolid += c.value;
+ }
+ }
+ Mass(composition.TotalMass());
+ Size(std::cbrt(volume));
+ highlight_color.a = nonsolid / composition.TotalMass();
+}
+
+void Creature::HighlightColor(const glm::dvec3 &c) noexcept {
+ highlight_color = glm::dvec4(c, highlight_color.a);
+}
+
+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(res));
+ } else {
+ // 5% of fluids stays in body
+ AddMass(res, amount * 0.05 * composition.Compatibility(res));
+ }
+ 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 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.UNorm() * 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 {
+ stats.Exhaustion().Add(amount / (Stamina() + 1.0));
+ // burn resources proportional to composition
+ // factor = 1/total * 1/efficiency * amount * -1
+ double factor = -amount / (composition.TotalMass() * EnergyEfficiency());
+ // make a copy to total remains constant and
+ // no entries disappear during iteration
+ Composition comp(composition);
+ for (auto &cmp : comp) {
+ double value = cmp.value * factor * sim.Resources()[cmp.resource].inverse_energy;
+ AddMass(cmp.resource, value);
+ }
+ // doing work improves strength a little
+ properties.Strength() += amount * 0.0001;
}
-void Creature::Hurt(double dt) noexcept {
- health = std::max(0.0, health - dt);
- if (health == 0.0) {
- std::cout << "[" << int(sim.Time()) << "s] "
- << name << " died" << std::endl;
+void Creature::Hurt(double amount) noexcept {
+ stats.Damage().Add(amount);
+ if (stats.Damage().Full()) {
Die();
}
}
void Creature::Die() noexcept {
- needs.clear();
- goals.clear();
- steering.Halt();
+ if (Dead()) return;
+
+ if (stats.Damage().Full()) {
+ std::ostream &log = sim.Log() << name << " ";
+ if (stats.Exhaustion().Full()) {
+ log << "died of exhaustion";
+ } else if (stats.Breath().Full()) {
+ log << "suffocated";
+ } else if (stats.Thirst().Full()) {
+ log << "died of thirst";
+ } else if (stats.Hunger().Full()) {
+ log << "starved to death";
+ } else {
+ log << "succumed to wounds";
+ }
+ log << " at an age of " << ui::TimeString(Age())
+ << " (" << ui::PercentageString(Age() / properties.Lifetime())
+ << " of life expectancy of " << ui::TimeString(properties.Lifetime())
+ << ")" << std::endl;
+ }
+
+ sim.SetDead(this);
+ death = sim.Time();
+ steering.Off();
if (on_death) {
on_death(*this);
}
Remove();
}
-double Creature::Size() const noexcept {
- return size;
+bool Creature::Dead() const noexcept {
+ return death > birth;
+}
+
+void Creature::Remove() noexcept {
+ removable = true;
+}
+
+void Creature::Removed() noexcept {
+ bg_task.reset();
+ goals.clear();
+ memory.Erase();
+ KillVAO();
+}
+
+void Creature::AddParent(Creature &p) {
+ parents.push_back(&p);
}
double Creature::Age() const noexcept {
- return sim.Time() - birth;
+ return Dead() ? death - birth : sim.Time() - birth;
+}
+
+double Creature::AgeFactor(double peak) const noexcept {
+ // shifted inverse hermite, y = 1 - (3t² - 2t³) with t = normalized age - peak
+ // goes negative below -0.5 and starts to rise again above 1.0
+ double t = glm::clamp((Age() / properties.Lifetime()) - peak, -0.5, 1.0);
+ // guarantee at least 1%
+ return std::max(0.01, 1.0 - (3.0 * t * t) + (2.0 * t * t * t));
+}
+
+double Creature::EnergyEfficiency() const noexcept {
+ return 0.25 * AgeFactor(0.05);
+}
+
+double Creature::ExhaustionFactor() const noexcept {
+ return 1.0 - (glm::smoothstep(0.5, 1.0, stats.Exhaustion().value) * 0.5);
+}
+
+double Creature::FatigueFactor() const noexcept {
+ return 1.0 - (glm::smoothstep(0.5, 1.0, stats.Fatigue().value) * 0.5);
+}
+
+double Creature::Strength() const noexcept {
+ // TODO: replace all age factors with actual growth and decay
+ return properties.Strength() * ExhaustionFactor() * AgeFactor(0.25);
+}
+
+double Creature::StrengthFactor() const noexcept {
+ double str = Strength();
+ return str / (str + 1.0);
+}
+
+double Creature::Stamina() const noexcept {
+ return properties.Stamina() * ExhaustionFactor() * AgeFactor(0.25);
+}
+
+double Creature::StaminaFactor() const noexcept {
+ double stm = Stamina();
+ return stm / (stm + 1.0);
+}
+
+double Creature::Dexerty() const noexcept {
+ return properties.Dexerty() * ExhaustionFactor() * AgeFactor(0.25);
+}
+
+double Creature::DexertyFactor() const noexcept {
+ double dex = Dexerty();
+ return dex / (dex + 1.0);
+}
+
+double Creature::Intelligence() const noexcept {
+ return properties.Intelligence() * FatigueFactor() * AgeFactor(0.25);
+}
+
+double Creature::IntelligenceFactor() const noexcept {
+ double intl = Intelligence();
+ return intl / (intl + 1.0);
+}
+
+double Creature::Lifetime() const noexcept {
+ return properties.Lifetime();
}
double Creature::Fertility() const noexcept {
- double age = Age();
- if (mass < properties.fertile_mass
- || age < properties.fertile_age
- || age > properties.infertile_age) {
- return 0.0;
- }
- return properties.fertility / 3600.0;
+ return properties.Fertility() * AgeFactor(0.25);
+}
+
+double Creature::Mutability() const noexcept {
+ 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 perception_range;
+}
+
+double Creature::PerceptionOmniRange() const noexcept {
+ return perception_omni_range;
+}
+
+double Creature::PerceptionField() const noexcept {
+ return perception_field;
+}
+
+bool Creature::PerceptionTest(const glm::dvec3 &p) const noexcept {
+ const glm::dvec3 diff(p - situation.Position());
+ 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 {
+ return AgeFactor(0.25) * properties.Fertility() * (1.0 / 3600.0);
+}
+
+double Creature::MutateChance() const noexcept {
+ 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) {
- std::cout << "[" << int(sim.Time()) << "s] " << name << " new goal: " << g->Describe() << std::endl;
g->Enable();
+ if (goals.empty()) {
+ g->SetForeground();
+ }
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) {
- // TODO: better integration method
- glm::dvec3 acc(steering.Acceleration(*this));
- situation.Move(vel * dt);
- vel += acc * 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());
+ Situation::State state(situation.GetState());
+ Situation::Derivative a(Step(Situation::Derivative(), 0.0));
+ Situation::Derivative b(Step(a, dt * 0.5));
+ Situation::Derivative c(Step(b, dt * 0.5));
+ Situation::Derivative d(Step(c, dt));
+ Situation::Derivative f(
+ (1.0 / 6.0) * (a.vel + 2.0 * (b.vel + c.vel) + d.vel),
+ (1.0 / 6.0) * (a.acc + 2.0 * (b.acc + c.acc) + d.acc)
+ );
+ state.pos += f.vel * dt;
+ state.vel += f.acc * dt;
+ situation.EnforceConstraints(state);
+
+ 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
+ // 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);
+}
- if (Age() > properties.death_age) {
- std::cout << "[" << int(sim.Time()) << "s] "
- << name << " died of old age" << std::endl;
+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
+ glm::dvec3 normal(situation.GetPlanet().NormalAt(s.pos));
+ force += glm::dvec3(
+ -normal
+ * (Mass() * situation.GetPlanet().GravitationalParameter()
+ / glm::length2(s.pos)));
+ // if net force is applied and in contact with surface
+ 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::clamp(glm::length(ft), 0.0, glm::length(fn) * u) * glm::normalize(s.vel));
+ force += friction;
}
+ return {
+ s.vel,
+ force / Mass()
+ };
+}
- for (auto &need : needs) {
- need->Tick(dt);
+void Creature::TickStats(double dt) {
+ for (auto &s : stats.stat) {
+ s.Add(s.gain * dt);
}
- for (auto &goal : goals) {
- goal->Tick(dt);
+ // TODO: damage values depending on properties
+ if (stats.Breath().Full()) {
+ constexpr double dps = 1.0 / 4.0;
+ Hurt(dps * dt);
}
- // do background stuff
- for (auto &need : needs) {
- need->ApplyEffect(*this, dt);
+ if (stats.Thirst().Full()) {
+ constexpr double dps = 1.0 / 32.0;
+ Hurt(dps * dt);
+ }
+ if (stats.Hunger().Full()) {
+ constexpr double dps = 1.0 / 128.0;
+ Hurt(dps * dt);
}
+ if (!situation.Moving()) {
+ // double exhaustion recovery when standing still
+ stats.Exhaustion().Add(stats.Exhaustion().gain * dt);
+ }
+}
+
+void Creature::TickBrain(double dt) {
+ bg_task->Tick(dt);
+ bg_task->Action();
+ memory.Tick(dt);
+ // do background stuff
if (goals.empty()) {
return;
}
+ for (auto &goal : goals) {
+ goal->Tick(dt);
+ }
+ Goal *top = &*goals.front();
// if active goal can be interrupted, check priorities
if (goals.size() > 1 && goals[0]->Interruptible()) {
- Goal *old_top = &*goals[0];
std::sort(goals.begin(), goals.end(), GoalCompare);
- Goal *new_top = &*goals[0];
- if (new_top != old_top) {
- std::cout << "[" << int(sim.Time()) << "s] " << name
- << " changing goal from " << old_top->Describe()
- << " to " << new_top->Describe() << std::endl;
- }
+ }
+ if (&*goals.front() != top) {
+ top->SetBackground();
+ goals.front()->SetForeground();
+ top = &*goals.front();
}
goals[0]->Action();
for (auto goal = goals.begin(); goal != goals.end();) {
if ((*goal)->Complete()) {
- std::cout << "[" << int(sim.Time()) << "s] " << name
- << " complete goal: " << (*goal)->Describe() << std::endl;
goals.erase(goal);
} else {
++goal;
}
}
+ if (&*goals.front() != top) {
+ goals.front()->SetForeground();
+ }
}
-glm::dmat4 Creature::LocalTransform() noexcept {
- // TODO: surface transform
+math::AABB Creature::CollisionBounds() const noexcept {
+ return { glm::dvec3(size * -0.5), glm::dvec3(size * 0.5) };
+}
+
+glm::dmat4 Creature::CollisionTransform() const noexcept {
const double half_size = size * 0.5;
const glm::dvec3 &pos = situation.Position();
- return glm::translate(glm::dvec3(pos.x, pos.y, pos.z + half_size))
+ glm::dmat3 orient;
+ orient[1] = situation.GetPlanet().NormalAt(pos);
+ orient[2] = situation.Heading();
+ if (std::abs(glm::dot(orient[1], orient[2])) > 0.999) {
+ orient[2] = glm::dvec3(orient[1].z, orient[1].x, orient[1].y);
+ }
+ orient[0] = glm::normalize(glm::cross(orient[1], orient[2]));
+ orient[2] = glm::normalize(glm::cross(orient[0], orient[1]));
+ return glm::translate(glm::dvec3(pos.x, pos.y, pos.z))
+ * glm::dmat4(orient)
+ * 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()
* glm::scale(glm::dvec3(half_size, half_size, half_size));
}
void Creature::BuildVAO() {
- vao.Bind();
- vao.BindAttributes();
- vao.EnableAttribute(0);
- vao.EnableAttribute(1);
- vao.EnableAttribute(2);
- vao.AttributePointer<glm::vec3>(0, false, offsetof(Attributes, position));
- vao.AttributePointer<glm::vec3>(1, false, offsetof(Attributes, normal));
- vao.AttributePointer<glm::vec3>(2, false, offsetof(Attributes, texture));
- vao.ReserveAttributes(6 * 4, GL_STATIC_DRAW);
+ vao.reset(new graphics::SimpleVAO<Attributes, unsigned short>);
+ vao->Bind();
+ vao->BindAttributes();
+ vao->EnableAttribute(0);
+ vao->EnableAttribute(1);
+ vao->EnableAttribute(2);
+ vao->AttributePointer<glm::vec3>(0, false, offsetof(Attributes, position));
+ vao->AttributePointer<glm::vec3>(1, false, offsetof(Attributes, normal));
+ vao->AttributePointer<glm::vec3>(2, false, offsetof(Attributes, texture));
+ vao->ReserveAttributes(6 * 4, GL_STATIC_DRAW);
{
- auto attrib = vao.MapAttributes(GL_WRITE_ONLY);
+ auto attrib = vao->MapAttributes(GL_WRITE_ONLY);
const float offset = 1.0f;
for (int surface = 0; surface < 6; ++surface) {
const float tex_u_begin = surface < 3 ? 1.0f : 0.0f;
attrib[4 * surface + 3].texture.z = surface;
}
}
- vao.BindElements();
- vao.ReserveElements(6 * 6, GL_STATIC_DRAW);
+ vao->BindElements();
+ vao->ReserveElements(6 * 6, GL_STATIC_DRAW);
{
- auto element = vao.MapElements(GL_WRITE_ONLY);
+ auto element = vao->MapElements(GL_WRITE_ONLY);
for (int surface = 0; surface < 3; ++surface) {
element[6 * surface + 0] = 4 * surface + 0;
element[6 * surface + 1] = 4 * surface + 2;
element[6 * surface + 5] = 4 * surface + 3;
}
}
- vao.Unbind();
+ vao->Unbind();
+}
+
+void Creature::KillVAO() {
+ vao.reset();
}
void Creature::Draw(graphics::Viewport &viewport) {
- vao.Bind();
- vao.DrawTriangles(6 * 6);
+ if (!vao) return;
+ vao->Bind();
+ vao->DrawTriangles(6 * 6);
}
void Spawn(Creature &c, world::Planet &p) {
p.AddCreature(&c);
- c.GetSituation().SetPlanetSurface(p, 0, p.TileCenter(0, p.SideLength() / 2, p.SideLength() / 2));
+ 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;
}
Genome genome;
- genome.properties.birth_mass = { 0.5, 0.1 };
- genome.properties.fertile_mass = { 1.0, 0.1 };
- genome.properties.max_mass = { 1.2, 0.1 };
- genome.properties.fertile_age = { 60.0, 5.0 };
- genome.properties.infertile_age = { 700.0, 30.0 };
- genome.properties.death_age = { 900.0, 90.0 };
- genome.properties.fertility = { 0.5, 0.01 };
+ genome.properties.Strength() = { 2.0, 0.1 };
+ genome.properties.Stamina() = { 2.0, 0.1 };
+ genome.properties.Dexerty() = { 2.0, 0.1 };
+ genome.properties.Intelligence() = { 1.0, 0.1 };
+ genome.properties.Lifetime() = { 480.0, 60.0 };
+ genome.properties.Fertility() = { 0.5, 0.03 };
+ 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);
+ double color_divisor = 0.0;
if (p.HasAtmosphere()) {
- genome.composition.push_back({
- p.Atmosphere(), // resource
- { 0.01, 0.00001 }, // mass
- { 0.5, 0.001 }, // intake
- { 0.1, 0.0005 }, // penalty
- { 0.0, 0.0 }, // growth
- });
+ c.AddMass(p.Atmosphere(), 0.01);
+ color_avg += c.GetSimulation().Resources()[p.Atmosphere()].base_color * 0.1;
+ color_divisor += 0.1;
}
if (liquid > -1) {
- genome.composition.push_back({
- liquid, // resource
- { 0.6, 0.01 }, // mass
- { 0.2, 0.001 }, // intake
- { 0.01, 0.002 }, // penalty
- { 0.1, 0.0 }, // growth
- });
+ c.AddMass(liquid, 0.3);
+ color_avg += c.GetSimulation().Resources()[liquid].base_color * 0.5;
+ color_divisor += 0.5;
}
if (solid > -1) {
- genome.composition.push_back({
- solid, // resource
- { 0.4, 0.01 }, // mass
- //{ 0.1, 0.001 }, // intake
- { 0.4, 0.001 }, // intake
- { 0.001, 0.0001 }, // penalty
- { 10.0, 0.002 }, // growth
- });
+ c.AddMass(solid, 0.1);
+ color_avg += c.GetSimulation().Resources()[solid].base_color;
+ color_divisor += 1.0;
}
+ if (color_divisor > 0.001) {
+ color_avg /= color_divisor;
+ }
+ glm::dvec3 hsl = rgb2hsl(color_avg);
+ 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);
}
math::GaloisLFSR &random = c.GetSimulation().Assets().random;
- c.GetProperties().birth_mass = properties.birth_mass.FakeNormal(random.SNorm());
- c.GetProperties().fertile_mass = properties.fertile_mass.FakeNormal(random.SNorm());
- c.GetProperties().max_mass = properties.max_mass.FakeNormal(random.SNorm());
- c.GetProperties().fertile_age = properties.fertile_age.FakeNormal(random.SNorm());
- c.GetProperties().infertile_age = properties.infertile_age.FakeNormal(random.SNorm());
- c.GetProperties().death_age = properties.death_age.FakeNormal(random.SNorm());
- c.GetProperties().fertility = properties.fertility.FakeNormal(random.SNorm());
+ c.GetProperties() = Instantiate(properties, random);
- double mass = 0.0;
- double volume = 0.0;
- for (const auto &comp : composition) {
- double comp_mass = comp.mass.FakeNormal(random.SNorm());
- double intake = comp.intake.FakeNormal(random.SNorm());
- double penalty = comp.penalty.FakeNormal(random.SNorm());
-
- mass += comp_mass;
- volume += comp_mass / c.GetSimulation().Resources()[comp.resource].density;
-
- std::unique_ptr<Need> need;
- if (c.GetSimulation().Resources()[comp.resource].state == world::Resource::SOLID) {
- need.reset(new IngestNeed(comp.resource, intake, penalty));
- need->gain = intake * 0.05;
- } else if (c.GetSimulation().Resources()[comp.resource].state == world::Resource::LIQUID) {
- need.reset(new IngestNeed(comp.resource, intake, penalty));
- need->gain = intake * 0.1;
- } else {
- need.reset(new InhaleNeed(comp.resource, intake, penalty));
- 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));
- }
+ // TODO: derive stats from properties
+ c.GetStats().Damage().gain = (-1.0 / 100.0);
+ c.GetStats().Breath().gain = (1.0 / 5.0);
+ c.GetStats().Thirst().gain = (1.0 / 60.0);
+ c.GetStats().Hunger().gain = (1.0 / 200.0);
+ c.GetStats().Exhaustion().gain = (-1.0 / 100.0);
+ c.GetStats().Fatigue().gain = (-1.0 / 100.0);
+ c.GetStats().Boredom().gain = (1.0 / 300.0);
- c.Mass(c.GetProperties().birth_mass);
- c.Density(mass / volume);
- c.GetSteering().MaxAcceleration(1.4);
- c.GetSteering().MaxSpeed(4.4);
+ glm::dvec3 base_color(
+ std::fmod(base_hue.FakeNormal(random.SNorm()) + 1.0, 1.0),
+ glm::clamp(base_saturation.FakeNormal(random.SNorm()), 0.0, 1.0),
+ glm::clamp(base_lightness.FakeNormal(random.SNorm()), 0.0, 1.0)
+ );
+ glm::dvec3 highlight_color(
+ 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));
+ c.SetBackgroundTask(std::unique_ptr<Goal>(new BlobBackgroundTask(c)));
c.AddGoal(std::unique_ptr<Goal>(new IdleGoal(c)));
}
void Split(Creature &c) {
Creature *a = new Creature(c.GetSimulation());
const Situation &s = c.GetSituation();
- // TODO: generate names
- a->Name("Blobby");
- // TODO: mutate
+ a->AddParent(c);
+ a->Name(c.GetSimulation().Assets().name.Sequential());
c.GetGenome().Configure(*a);
+ for (const auto &cmp : c.GetComposition()) {
+ a->AddMass(cmp.resource, cmp.value * 0.5);
+ }
s.GetPlanet().AddCreature(a);
// TODO: duplicate situation somehow
a->GetSituation().SetPlanetSurface(
- s.GetPlanet(), s.Surface(),
- s.Position() + glm::dvec3(0.0, a->Size() * 0.51, 0.0));
+ s.GetPlanet(),
+ 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;
Creature *b = new Creature(c.GetSimulation());
- b->Name("Sir Blobalot");
+ b->AddParent(c);
+ b->Name(c.GetSimulation().Assets().name.Sequential());
c.GetGenome().Configure(*b);
+ for (const auto &cmp : c.GetComposition()) {
+ b->AddMass(cmp.resource, cmp.value * 0.5);
+ }
s.GetPlanet().AddCreature(b);
b->GetSituation().SetPlanetSurface(
- s.GetPlanet(), s.Surface(),
- s.Position() + glm::dvec3(0.0, b->Size() * -0.51, 0.0));
+ s.GetPlanet(),
+ 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;
c.Die();
}
+Memory::Memory(Creature &c)
+: c(c) {
+}
+
+Memory::~Memory() {
+}
+
+void Memory::Erase() {
+ known_types.clear();
+ known_creatures.clear();
+}
+
+bool Memory::RememberLocation(const Composition &accept, glm::dvec3 &pos) const noexcept {
+ double best_rating = -1.0;
+ for (const auto &k : known_types) {
+ const world::TileType &t = c.GetSimulation().TileTypes()[k.first];
+ auto entry = t.FindBestResource(accept);
+ if (entry != t.resources.end()) {
+ double rating = entry->ubiquity / std::max(0.125, 0.25 * glm::length2(c.GetSituation().Position() - k.second.first_loc.position));
+ if (rating > best_rating) {
+ best_rating = rating;
+ pos = k.second.first_loc.position;
+ }
+ rating = entry->ubiquity / std::max(0.125, 0.25 * glm::length2(c.GetSituation().Position() - k.second.last_loc.position));
+ if (rating > best_rating) {
+ best_rating = rating;
+ pos = k.second.last_loc.position;
+ }
+ }
+ }
+ if (best_rating > 0.0) {
+ glm::dvec3 error(
+ c.GetSimulation().Assets().random.SNorm(),
+ c.GetSimulation().Assets().random.SNorm(),
+ c.GetSimulation().Assets().random.SNorm());
+ pos += error * (4.0 * (1.0 - c.IntelligenceFactor()));
+ pos = glm::normalize(pos) * c.GetSituation().GetPlanet().Radius();
+ return true;
+ } else {
+ return false;
+ }
+}
+
+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()) {
+ TrackStay({ &s.GetPlanet(), s.Position() }, dt);
+ }
+ // TODO: forget
+}
+
+void Memory::TrackStay(const Location &l, double t) {
+ const world::TileType &type = l.planet->TileTypeAt(l.position);
+ auto entry = known_types.find(type.id);
+ if (entry != known_types.end()) {
+ if (c.GetSimulation().Time() - entry->second.last_been > c.GetProperties().Lifetime() * 0.1) {
+ // "it's been ages"
+ if (entry->second.time_spent > c.Age() * 0.25) {
+ // the place is very familiar
+ c.GetStats().Boredom().Add(-0.2);
+ } else {
+ // infrequent stays
+ c.GetStats().Boredom().Add(-0.1);
+ }
+ }
+ entry->second.last_been = c.GetSimulation().Time();
+ entry->second.last_loc = l;
+ entry->second.time_spent += t;
+ } else {
+ known_types.emplace(type.id, Stay{
+ c.GetSimulation().Time(),
+ l,
+ c.GetSimulation().Time(),
+ l,
+ t
+ });
+ // completely new place, interesting
+ // TODO: scale by personality trait
+ c.GetStats().Boredom().Add(-0.25);
+ }
+}
+
+
+NameGenerator::NameGenerator()
+: counter(0) {
+}
+
+NameGenerator::~NameGenerator() {
+}
+
+std::string NameGenerator::Sequential() {
+ std::stringstream ss;
+ ss << "Blob " << ++counter;
+ return ss.str();
+}
+
+
Situation::Situation()
: planet(nullptr)
-, position(0.0)
-, surface(0)
+, state(glm::dvec3(0.0), glm::dvec3(0.0))
, type(LOST) {
}
return type == PLANET_SURFACE;
}
-bool Situation::OnTile() const noexcept {
- glm::ivec2 t(planet->SurfacePosition(surface, position));
- return type == PLANET_SURFACE
- && t.x >= 0 && t.x < planet->SideLength()
- && t.y >= 0 && t.y < planet->SideLength();
+bool Situation::OnGround() const noexcept {
+ return OnSurface() && glm::length2(state.pos) < (planet->Radius() + 0.05) * (planet->Radius() + 0.05);
}
-glm::ivec2 Situation::SurfacePosition() const noexcept {
- return planet->SurfacePosition(surface, position);
+glm::dvec3 Situation::SurfaceNormal() const noexcept {
+ return planet->NormalAt(state.pos);
}
world::Tile &Situation::GetTile() const noexcept {
- glm::ivec2 t(planet->SurfacePosition(surface, position));
- return planet->TileAt(surface, t.x, t.y);
+ return planet->TileAt(state.pos);
}
const world::TileType &Situation::GetTileType() const noexcept {
- glm::ivec2 t(planet->SurfacePosition(surface, position));
- return planet->TypeAt(surface, t.x, t.y);
+ return planet->TileTypeAt(state.pos);
}
void Situation::Move(const glm::dvec3 &dp) noexcept {
- position += dp;
+ state.pos += dp;
+ EnforceConstraints(state);
+}
+
+void Situation::Accelerate(const glm::dvec3 &dv) noexcept {
+ state.vel += dv;
+ EnforceConstraints(state);
+}
+
+void Situation::EnforceConstraints(State &s) const noexcept {
if (OnSurface()) {
- // enforce ground constraint
- if (Surface() < 3) {
- position[(Surface() + 2) % 3] = std::max(0.0, position[(Surface() + 2) % 3]);
- } else {
- position[(Surface() + 2) % 3] = std::min(0.0, position[(Surface() + 2) % 3]);
+ double r = GetPlanet().Radius();
+ if (glm::length2(s.pos) < r * r) {
+ const glm::dvec3 normal(GetPlanet().NormalAt(s.pos));
+ s.pos = normal * r;
+ s.vel -= normal * glm::dot(normal, s.vel);
}
}
}
-void Situation::SetPlanetSurface(world::Planet &p, int srf, const glm::dvec3 &pos) noexcept {
+void Situation::SetPlanetSurface(world::Planet &p, const glm::dvec3 &pos) noexcept {
type = PLANET_SURFACE;
planet = &p;
- surface = srf;
- position = pos;
+ state.pos = pos;
+ EnforceConstraints(state);
}
-Steering::Steering()
-: seek_target(0.0)
-, max_accel(1.0)
+Steering::Steering(const Creature &c)
+: c(c)
+, target(0.0)
+, haste(0.0)
+, max_force(1.0)
, max_speed(1.0)
-, halting(false)
-, seeking(false) {
+, min_dist(0.0)
+, max_look(0.0)
+, separating(false)
+, halting(true)
+, seeking(false)
+, arriving(false) {
}
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;
+ max_look = max_lookaround;
+}
+
+void Steering::DontSeparate() noexcept {
+ separating = false;
+}
+
+void Steering::ResumeSeparate() noexcept {
+ separating = true;
+}
+
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(Creature &c) const noexcept {
- glm::dvec3 acc(0.0);
+glm::dvec3 Steering::Force(const Situation::State &s) const noexcept {
+ double speed = max_speed * glm::clamp(max_speed * haste * haste, 0.25, 1.0);
+ double force = max_speed * glm::clamp(max_force * haste * haste, 0.5, 1.0);
+ glm::dvec3 result(0.0);
+ if (separating) {
+ // TODO: off surface situation
+ glm::dvec3 repulse(0.0);
+ const Situation &s = c.GetSituation();
+ for (auto &other : s.GetPlanet().Creatures()) {
+ if (&*other == &c) continue;
+ glm::dvec3 diff = s.Position() - other->GetSituation().Position();
+ if (glm::length2(diff) > max_look * max_look) continue;
+ if (!c.PerceptionTest(other->GetSituation().Position())) continue;
+ double sep = glm::clamp(glm::length(diff) - other->Size() * 0.707 - c.Size() * 0.707, 0.0, min_dist);
+ repulse += glm::normalize(diff) * (1.0 - sep / min_dist) * force;
+ }
+ result += repulse;
+ }
if (halting) {
- SumForce(acc, c.Velocity() * -max_accel);
+ // brake hard
+ result += -5.0 * s.vel * force;
}
if (seeking) {
- glm::dvec3 diff = seek_target - c.GetSituation().Position();
+ glm::dvec3 diff = target - s.pos;
if (!allzero(diff)) {
- SumForce(acc, ((normalize(diff) * max_speed) - c.Velocity()) * max_accel);
+ result += TargetVelocity(s, (glm::normalize(diff) * speed), force);
}
}
- return acc;
-}
-
-bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in) const noexcept {
- if (allzero(in) || anynan(in)) {
- return false;
- }
- double cur = allzero(out) ? 0.0 : length(out);
- double rem = max_accel - cur;
- if (rem < 0.0) {
- return true;
+ if (arriving) {
+ glm::dvec3 diff = target - s.pos;
+ double dist = glm::length(diff);
+ if (!allzero(diff) && dist > std::numeric_limits<double>::epsilon()) {
+ result += TargetVelocity(s, diff * std::min(dist * force, speed) / dist, force);
+ }
}
- 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;
+ // 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;
}
+ return result;
+}
+
+glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel, double acc) const noexcept {
+ return (vel - s.vel) * acc;
}
}
projects / blobs.git / blobdiff