#include "IdleGoal.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"
namespace creature {
Composition::Composition()
-: components() {
+: components()
+, total_mass(0.0) {
}
Composition::~Composition() {
components.emplace_back(res, amount);
}
std::sort(components.begin(), components.end(), CompositionCompare);
+ total_mass += amount;
}
bool Composition::Has(int res) const noexcept {
, mass(1.0)
, size(1.0)
, birth(sim.Time())
+, death(0.0)
, on_death()
, removable(false)
+, parents()
, stats()
, memory(*this)
, bg_task()
, situation()
, steering(*this)
, vao() {
+ sim.SetAlive(this);
// all creatures avoid each other for now
steering.Separate(0.1, 1.5);
}
void Creature::AddMass(int res, double amount) {
composition.Add(res, amount);
- double mass = 0.0;
double nonsolid = 0.0;
double volume = 0.0;
for (const auto &c : composition) {
- mass += c.value;
volume += c.value / sim.Assets().data.resources[c.resource].density;
if (sim.Assets().data.resources[c.resource].state != world::Resource::SOLID) {
nonsolid += c.value;
}
}
- Mass(mass);
+ Mass(composition.TotalMass());
Size(std::cbrt(volume));
- highlight_color.a = nonsolid / mass;
+ highlight_color.a = nonsolid / composition.TotalMass();
}
void Creature::HighlightColor(const glm::dvec3 &c) noexcept {
void Creature::Ingest(int res, double amount) noexcept {
// TODO: check foreign materials
- // 10% stays in body
- AddMass(res, amount * 0.1);
+ if (sim.Resources()[res].state == world::Resource::SOLID) {
+ // 15% of solids stays in body
+ AddMass(res, amount * 0.15);
+ } else {
+ // 10% of fluids stays in body
+ AddMass(res, amount * 0.05);
+ }
}
void Creature::Hurt(double amount) noexcept {
stats.Damage().Add(amount);
if (stats.Damage().Full()) {
- std::cout << "[" << int(sim.Time()) << "s] " << name << " ";
+ std::cout << "[" << ui::TimeString(sim.Time()) << "] " << name << " ";
if (stats.Exhaustion().Full()) {
std::cout << "died of exhaustion";
} else if (stats.Breath().Full()) {
} else {
std::cout << "succumed to wounds";
}
- std::cout << " at an age of ";
- {
- int age = int(Age());
- if (age >= 3600) {
- std::cout << (age / 3600) << "h ";
- age %= 3600;
- }
- if (age >= 60) {
- std::cout << (age / 60) << "m ";
- age %= 60;
- }
- std::cout << age << 's';
- }
- std::cout << " (" << int(Age() / properties.Lifetime() * 100)
- << "% of life expectancy of ";
- {
- int lt = int(properties.Lifetime());
- if (lt >= 3600) {
- std::cout << (lt / 3600) << "h ";
- lt %= 3600;
- }
- if (lt >= 60) {
- std::cout << (lt / 60) << "m ";
- lt %= 60;
- }
- std::cout << lt << 's';
- }
- std::cout << ")" << std::endl;
+ std::cout << " at an age of " << ui::TimeString(Age())
+ << " (" << ui::PercentageString(Age() / properties.Lifetime())
+ << "% of life expectancy of " << ui::TimeString(properties.Lifetime())
+ << ")" << std::endl;
Die();
}
}
void Creature::Die() noexcept {
- goals.clear();
+ sim.SetDead(this);
+ death = sim.Time();
steering.Halt();
if (on_death) {
on_death(*this);
Remove();
}
+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;
}
);
state.pos += f.vel * dt;
state.vel += f.acc * dt;
+ situation.EnforceConstraints(state);
if (length2(state.vel) > 0.000001) {
glm::dvec3 nvel(normalize(state.vel));
double ang = angle(nvel, state.dir);
- double turn_rate = PI * 0.5 * dt;
+ double turn_rate = PI * 0.75 * dt;
if (ang < turn_rate) {
state.dir = normalize(state.vel);
} else if (std::abs(ang - PI) < 0.001) {
}
}
situation.SetState(state);
- stats.Exhaustion().Add(length(f.acc) * Mass() / Stamina() * dt);
+ stats.Exhaustion().Add(length(f.acc) * Mass() / Stamina() * 0.5 * 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;
+ glm::dvec3 force(steering.Force(s));
+ // gravity = antinormal * mass * Gm / r²
+ double elevation = s.pos[(situation.Surface() + 2) % 3];
+ glm::dvec3 normal(world::Planet::SurfaceNormal(situation.Surface()));
+ force += glm::dvec3(
+ -normal
+ * Mass() * situation.GetPlanet().GravitationalParameter()
+ / (elevation * elevation));
+ // 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
+ glm::dvec3 fn(normal * dot(force, normal));
+ glm::dvec3 ft(force - fn);
+ double u = 0.4;
+ glm::dvec3 friction(-length(fn) * ft * u);
+ force += friction;
+ }
return {
s.vel,
- steering.Force(s) / Mass()
+ force / Mass()
};
}
}
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 Split(Creature &c) {
Creature *a = new Creature(c.GetSimulation());
const Situation &s = c.GetSituation();
+ a->AddParent(c);
a->Name(c.GetSimulation().Assets().name.Sequential());
c.GetGenome().Configure(*a);
for (const auto &cmp : c.GetComposition()) {
// TODO: duplicate situation somehow
a->GetSituation().SetPlanetSurface(
s.GetPlanet(), s.Surface(),
- s.Position() + glm::dvec3(0.0, a->Size() + 0.1, 0.0));
+ s.Position() + glm::dvec3(0.0, 0.55 * a->Size(), 0.0));
a->BuildVAO();
- std::cout << "[" << int(c.GetSimulation().Time()) << "s] "
+ std::cout << "[" << ui::TimeString(c.GetSimulation().Time()) << "] "
<< a->Name() << " was born" << std::endl;
Creature *b = new Creature(c.GetSimulation());
+ b->AddParent(c);
b->Name(c.GetSimulation().Assets().name.Sequential());
c.GetGenome().Configure(*b);
for (const auto &cmp : c.GetComposition()) {
s.GetPlanet().AddCreature(b);
b->GetSituation().SetPlanetSurface(
s.GetPlanet(), s.Surface(),
- s.Position() + glm::dvec3(0.0, b->Size() - 0.1, 0.0));
+ s.Position() - glm::dvec3(0.0, 0.55 * b->Size(), 0.0));
b->BuildVAO();
- std::cout << "[" << int(c.GetSimulation().Time()) << "s] "
+ std::cout << "[" << ui::TimeString(c.GetSimulation().Time()) << "] "
<< b->Name() << " was born" << std::endl;
c.Die();
Memory::~Memory() {
}
+void Memory::Erase() {
+ known_types.clear();
+}
+
void Memory::Tick(double dt) {
Situation &s = c.GetSituation();
if (s.OnTile()) {
void Situation::Move(const glm::dvec3 &dp) noexcept {
state.pos += dp;
+ EnforceConstraints(state);
+}
+
+void Situation::Accelerate(const glm::dvec3 &dv) noexcept {
+ state.vel += dv;
+ EnforceConstraints(state);
+}
+
+void Situation::EnforceConstraints(State &s) noexcept {
if (OnSurface()) {
- // enforce ground constraint
if (Surface() < 3) {
- state.pos[(Surface() + 2) % 3] = std::max(0.0, state.pos[(Surface() + 2) % 3]);
+ if (s.pos[(Surface() + 2) % 3] < GetPlanet().Radius()) {
+ s.pos[(Surface() + 2) % 3] = GetPlanet().Radius();
+ s.vel[(Surface() + 2) % 3] = std::max(0.0, s.vel[(Surface() + 2) % 3]);
+ }
} else {
- state.pos[(Surface() + 2) % 3] = std::min(0.0, state.pos[(Surface() + 2) % 3]);
+ if (s.pos[(Surface() + 2) % 3] > -GetPlanet().Radius()) {
+ s.pos[(Surface() + 2) % 3] = -GetPlanet().Radius();
+ s.vel[(Surface() + 2) % 3] = std::min(0.0, s.vel[(Surface() + 2) % 3]);
+ }
}
}
}
planet = &p;
surface = srf;
state.pos = pos;
+ EnforceConstraints(state);
}
}
void Steering::ResumeSeparate() noexcept {
- separating = false;
+ separating = true;
}
void Steering::Halt() noexcept {