#include <algorithm>
#include <sstream>
#include <glm/gtx/transform.hpp>
+#include <glm/gtx/vector_angle.hpp>
#include <iostream>
#include <glm/gtx/io.hpp>
, needs()
, goals()
, situation()
-, steering()
+, steering(*this)
, vao() {
+ // all creatures avoid each other for now
+ steering.Separate(0.1, 1.5);
}
Creature::~Creature() {
return glm::dvec4(highlight_color, AgeLerp(CurProps().highlight, NextProps().highlight));
}
-void Creature::Grow(double amount) noexcept {
- const double max_mass = AgeLerp(CurProps().mass, NextProps().mass);
- Mass(std::min(max_mass, mass + amount));
+void Creature::Ingest(int res, double amount) noexcept {
+ const Genome::Composition *cmp = nullptr;
+ for (const auto &c : genome.composition) {
+ if (c.resource == res) {
+ cmp = &c;
+ break;
+ }
+ }
+ if (cmp) {
+ const double max_mass = AgeLerp(CurProps().mass, NextProps().mass);
+ Mass(std::min(max_mass, mass + amount));
+ } else {
+ // foreign material. poisonous?
+ }
}
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;
+ << name << " died" << std::endl;
Die();
}
}
return sim.Time() - birth;
}
+std::string Creature::AgeName() const {
+ switch (cur_prop) {
+ case 0:
+ return "Newborn";
+ case 1:
+ return "Child";
+ case 2:
+ return "Youth";
+ case 3:
+ return "Adult";
+ case 4:
+ return "Elder";
+ case 5:
+ return "Dead";
+ default:
+ return "Unknown";
+ }
+}
+
double Creature::AgeLerp(double from, double to) const noexcept {
return glm::mix(from, to, glm::smoothstep(CurProps().age, NextProps().age, Age()));
}
}
void Creature::AddGoal(std::unique_ptr<Goal> &&g) {
- std::cout << "[" << int(sim.Time()) << "s] " << name << " new goal: " << g->Describe() << std::endl;
g->Enable();
goals.emplace_back(std::move(g));
}
}
void Creature::Tick(double dt) {
- if (cur_prop < 5 && Age() > properties.props[cur_prop + 1].age) {
- if (cur_prop == 4) {
+ if (cur_prop < 5 && Age() > NextProps().age) {
+ ++cur_prop;
+ if (cur_prop == 5) {
std::cout << "[" << int(sim.Time()) << "s] "
<< name << " died of old age" << std::endl;
Die();
} else {
- ++cur_prop;
+ std::cout << "[" << int(sim.Time()) << "s] "
+ << name << " grew up to " << AgeName() << std::endl;
}
}
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)
+ (1.0 / 6.0) * (a.acc + 2.0 * (b.acc + c.acc) + d.acc),
+ (1.0 / 6.0) * (a.turn + 2.0 * (b.turn + c.turn) + d.turn)
);
state.pos += f.vel * dt;
state.vel += f.acc * dt;
+ constexpr double turn_speed = 10.0;
+ // TODO: this is crap
+ state.dir = glm::normalize(state.dir + f.turn * turn_speed * dt);
situation.SetState(state);
}
}
// 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;
- }
}
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;
Situation::State s = situation.GetState();
s.pos += ds.vel * dt;
s.vel += ds.acc * dt;
- return { s.vel, steering.Acceleration(s) };
+ s.dir = normalize(s.dir + ds.turn * dt);
+ return {
+ s.vel,
+ steering.Acceleration(s),
+ allzero(s.vel) ? glm::dvec3(0.0) : normalize(s.vel) - s.dir
+ };
}
glm::dmat4 Creature::LocalTransform() 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::dmat4(world::Planet::SurfaceOrientation(situation.Surface()))
+ * glm::rotate(glm::orientedAngle(glm::dvec3(0.0, 0.0, -1.0), situation.Heading(), glm::dvec3(0.0, 1.0, 0.0)), glm::dvec3(0.0, 1.0, 0.0))
* glm::scale(glm::dvec3(half_size, half_size, half_size));
}
genome.properties.Death().fertility = { 0.0, 0.0 };
genome.properties.Death().highlight = { 0.5, 0.1 };
+ genome.properties.strength = { 1.0, 0.1 };
+ genome.properties.stamina = { 1.0, 0.1 };
+ genome.properties.dexerty = { 1.0, 0.1 };
+ genome.properties.intelligence = { 1.0, 0.1 };
+ genome.properties.mutability = { 1.0, 0.1 };
+
glm::dvec3 color_avg(0.0);
double color_divisor = 0.0;
double mass = 0.0;
double volume = 0.0;
for (const auto &comp : composition) {
+ const world::Resource &resource = c.GetSimulation().Resources()[comp.resource];
double comp_mass = comp.mass.FakeNormal(random.SNorm());
double intake = comp.intake.FakeNormal(random.SNorm());
double penalty = comp.penalty.FakeNormal(random.SNorm());
volume += comp_mass / c.GetSimulation().Resources()[comp.resource].density;
std::unique_ptr<Need> need;
- if (c.GetSimulation().Resources()[comp.resource].state == world::Resource::SOLID) {
+ if (resource.state == world::Resource::SOLID) {
+ intake *= std::atan(c.GetProperties().strength);
need.reset(new IngestNeed(comp.resource, intake, penalty));
need->gain = intake * 0.05;
- } else if (c.GetSimulation().Resources()[comp.resource].state == world::Resource::LIQUID) {
+ } else if (resource.state == world::Resource::LIQUID) {
+ intake *= std::atan(c.GetProperties().stamina);
need.reset(new IngestNeed(comp.resource, intake, penalty));
need->gain = intake * 0.1;
} else {
need->gain = intake * 0.5;
}
need->name = c.GetSimulation().Resources()[comp.resource].label;
- need->growth = comp.growth.FakeNormal(random.SNorm());
+ need->value = 0.4;
need->inconvenient = 0.5;
need->critical = 0.95;
c.AddNeed(std::move(need));
c.Mass(c.GetProperties().props[0].mass);
c.Density(mass / volume);
- c.GetSteering().MaxAcceleration(1.4);
- c.GetSteering().MaxSpeed(4.4);
+ c.GetSteering().MaxAcceleration(1.4 * std::atan(c.GetProperties().strength));
+ c.GetSteering().MaxSpeed(4.4 * std::atan(c.GetProperties().dexerty));
c.AddGoal(std::unique_ptr<Goal>(new IdleGoal(c)));
}
s.GetPlanet(), s.Surface(),
s.Position() + glm::dvec3(0.0, a->Size() * 0.51, 0.0));
a->BuildVAO();
+ std::cout << "[" << int(c.GetSimulation().Time()) << "s] "
+ << a->Name() << " was born" << std::endl;
Creature *b = new Creature(c.GetSimulation());
b->Name(c.GetSimulation().Assets().name.Sequential());
s.GetPlanet(), s.Surface(),
s.Position() + glm::dvec3(0.0, b->Size() * -0.51, 0.0));
b->BuildVAO();
+ std::cout << "[" << int(c.GetSimulation().Time()) << "s] "
+ << b->Name() << " was born" << std::endl;
c.Die();
}
}
-Steering::Steering()
-: seek_target(0.0)
+Steering::Steering(const Creature &c)
+: c(c)
+, target(0.0)
, max_accel(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::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::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(const Situation::State &s) const noexcept {
glm::dvec3 acc(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 (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);
+ }
+ }
+ SumForce(acc, repulse);
+ }
if (halting) {
SumForce(acc, s.vel * -max_accel);
}
if (seeking) {
- glm::dvec3 diff = seek_target - s.pos;
+ glm::dvec3 diff = target - s.pos;
if (!allzero(diff)) {
- SumForce(acc, ((normalize(diff) * max_speed) - s.vel) * max_accel);
+ SumForce(acc, TargetVelocity(s, (normalize(diff) * max_speed)));
+ }
+ }
+ if (arriving) {
+ glm::dvec3 diff = target - s.pos;
+ double dist = length(diff);
+ if (!allzero(diff) && dist > std::numeric_limits<double>::epsilon()) {
+ SumForce(acc, TargetVelocity(s, diff * std::min(dist * max_accel, max_speed) / dist));
}
}
return acc;
}
}
+glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel) const noexcept {
+ return (vel - s.vel) * max_accel;
+}
+
}
}
projects / blobs.git / blobdiff