#include "Creature.hpp"
+#include "Genome.hpp"
#include "Situation.hpp"
+#include "Steering.hpp"
+#include "Goal.hpp"
+#include "IdleGoal.hpp"
#include "InhaleNeed.hpp"
#include "IngestNeed.hpp"
#include "Need.hpp"
#include "../app/Assets.hpp"
#include "../world/Body.hpp"
#include "../world/Planet.hpp"
+#include "../world/Simulation.hpp"
#include "../world/TileType.hpp"
+#include <algorithm>
#include <glm/gtx/transform.hpp>
#include <iostream>
+#include <glm/gtx/io.hpp>
namespace blobs {
namespace creature {
-Creature::Creature()
-: name()
+Creature::Creature(world::Simulation &sim)
+: sim(sim)
+, name()
+, genome()
+, mass(1.0)
+, density(1.0)
+, size(1.0)
+, birth(sim.Time())
, health(1.0)
+, on_death()
+, removable(false)
, needs()
+, goals()
, situation()
+, steering()
+, vel(0.0)
, vao() {
}
Creature::~Creature() {
}
+void Creature::Grow(double amount) noexcept {
+ Mass(std::min(properties.max_mass, mass + amount));
+}
+
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;
+ Die();
+ }
+}
+
+void Creature::Die() noexcept {
+ needs.clear();
+ goals.clear();
+ steering.Halt();
+ if (on_death) {
+ on_death(*this);
+ }
+ Remove();
+}
+
+double Creature::Size() const noexcept {
+ return size;
+}
+
+double Creature::Age() const noexcept {
+ return sim.Time() - birth;
+}
+
+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;
+}
+
+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));
+}
+
+namespace {
+
+bool GoalCompare(const std::unique_ptr<Goal> &a, const std::unique_ptr<Goal> &b) {
+ return b->Urgency() < a->Urgency();
+}
+
}
void Creature::Tick(double dt) {
- // update needs
+ // TODO: better integration method
+ glm::dvec3 acc(steering.Acceleration(*this));
+ situation.Move(vel * dt);
+ vel += acc * dt;
+
+ if (Age() > properties.death_age) {
+ std::cout << "[" << int(sim.Time()) << "s] "
+ << name << " died of old age" << std::endl;
+ }
+
for (auto &need : needs) {
need->Tick(dt);
}
+ for (auto &goal : goals) {
+ goal->Tick(dt);
+ }
// do background stuff
for (auto &need : needs) {
need->ApplyEffect(*this, dt);
}
+ if (goals.empty()) {
+ return;
+ }
+ // 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;
+ }
+ }
}
glm::dmat4 Creature::LocalTransform() noexcept {
// TODO: surface transform
- constexpr double half_height = 0.25;
+ const double half_size = size * 0.5;
const glm::dvec3 &pos = situation.Position();
- return glm::translate(glm::dvec3(pos.x, pos.y, pos.z + situation.GetPlanet().Radius() + half_height))
- * glm::scale(glm::dvec3(half_height, half_height, half_height));
+ return glm::translate(glm::dvec3(pos.x, pos.y, pos.z + half_size))
+ * glm::scale(glm::dvec3(half_size, half_size, half_size));
}
void Creature::BuildVAO() {
vao.Unbind();
}
-void Creature::Draw(app::Assets &assets, graphics::Viewport &viewport) {
+void Creature::Draw(graphics::Viewport &viewport) {
vao.Bind();
vao.DrawTriangles(6 * 6);
}
-void Spawn(Creature &c, world::Planet &p, app::Assets &assets) {
+void Spawn(Creature &c, world::Planet &p) {
p.AddCreature(&c);
- c.GetSituation().SetPlanetSurface(p, 0, glm::dvec3(0.0, 0.0, 0.0));
+ c.GetSituation().SetPlanetSurface(p, 0, p.TileCenter(0, p.SideLength() / 2, p.SideLength() / 2));
// probe surrounding area for common resources
int start = p.SideLength() / 2 - 2;
std::map<int, double> yields;
for (int y = start; y < end; ++y) {
for (int x = start; x < end; ++x) {
- const world::TileType &t = assets.data.tiles[p.TileAt(0, x, y).type];
+ const world::TileType &t = p.TypeAt(0, x, y);
for (auto yield : t.resources) {
yields[yield.resource] += yield.ubiquity;
}
int liquid = -1;
int solid = -1;
for (auto e : yields) {
- if (assets.data.resources[e.first].state == world::Resource::LIQUID) {
+ if (c.GetSimulation().Resources()[e.first].state == world::Resource::LIQUID) {
if (liquid < 0 || e.second > yields[liquid]) {
liquid = e.first;
}
- } else if (assets.data.resources[e.first].state == world::Resource::SOLID) {
+ } else if (c.GetSimulation().Resources()[e.first].state == world::Resource::SOLID) {
if (solid < 0 || e.second > yields[solid]) {
solid = e.first;
}
}
}
+ 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 };
+
if (p.HasAtmosphere()) {
- std::cout << "require breathing " << assets.data.resources[p.Atmosphere()].label << std::endl;
- std::unique_ptr<Need> need(new InhaleNeed(p.Atmosphere(), 0.25, 0.1));
- need->name = assets.data.resources[p.Atmosphere()].label;
- need->gain = 0.25;
- need->inconvenient = 0.4;
- need->critical = 0.95;
- c.AddNeed(std::move(need));
+ 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
+ });
}
if (liquid > -1) {
- std::cout << "require drinking " << assets.data.resources[liquid].label << std::endl;
- std::unique_ptr<Need> need(new IngestNeed(liquid, 0.2, 0.01));
- need->name = assets.data.resources[liquid].label;
- need->gain = 0.0001;
- need->inconvenient = 0.6;
- need->critical = 0.95;
- c.AddNeed(std::move(need));
+ 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
+ });
}
if (solid > -1) {
- std::cout << "require eating " << assets.data.resources[solid].label << std::endl;
- std::unique_ptr<Need> need(new IngestNeed(solid, 0.03, 0.001));
- need->name = assets.data.resources[solid].label;
- need->gain = 0.00001;
- need->inconvenient = 0.6;
+ 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
+ });
+ }
+
+ genome.Configure(c);
+}
+
+void Genome::Configure(Creature &c) const {
+ c.GetGenome() = *this;
+
+ 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());
+
+ 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));
}
+
+ c.Mass(c.GetProperties().birth_mass);
+ c.Density(mass / volume);
+ c.GetSteering().MaxAcceleration(1.4);
+ c.GetSteering().MaxSpeed(4.4);
+ 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
+ c.GetGenome().Configure(*a);
+ 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));
+ a->BuildVAO();
+
+ Creature *b = new Creature(c.GetSimulation());
+ b->Name("Sir Blobalot");
+ c.GetGenome().Configure(*b);
+ s.GetPlanet().AddCreature(b);
+ b->GetSituation().SetPlanetSurface(
+ s.GetPlanet(), s.Surface(),
+ s.Position() + glm::dvec3(0.0, b->Size() * -0.51, 0.0));
+ b->BuildVAO();
+
+ c.Die();
+}
+
+
Situation::Situation()
: planet(nullptr)
, position(0.0)
return type == PLANET_SURFACE;
}
+bool Situation::OnSurface() const noexcept {
+ 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();
+}
+
+glm::ivec2 Situation::SurfacePosition() const noexcept {
+ return planet->SurfacePosition(surface, position);
+}
+
+world::Tile &Situation::GetTile() const noexcept {
+ glm::ivec2 t(planet->SurfacePosition(surface, position));
+ return planet->TileAt(surface, t.x, t.y);
+}
+
+const world::TileType &Situation::GetTileType() const noexcept {
+ glm::ivec2 t(planet->SurfacePosition(surface, position));
+ return planet->TypeAt(surface, t.x, t.y);
+}
+
+void Situation::Move(const glm::dvec3 &dp) noexcept {
+ position += dp;
+ 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]);
+ }
+ }
+}
+
void Situation::SetPlanetSurface(world::Planet &p, int srf, const glm::dvec3 &pos) noexcept {
type = PLANET_SURFACE;
planet = &p;
position = pos;
}
+
+Steering::Steering()
+: seek_target(0.0)
+, max_accel(1.0)
+, max_speed(1.0)
+, halting(false)
+, seeking(false) {
+}
+
+Steering::~Steering() {
+}
+
+void Steering::Halt() noexcept {
+ halting = true;
+ seeking = false;
+}
+
+void Steering::GoTo(const glm::dvec3 &t) noexcept {
+ seek_target = t;
+ halting = false;
+ seeking = true;
+}
+
+glm::dvec3 Steering::Acceleration(Creature &c) const noexcept {
+ glm::dvec3 acc(0.0);
+ if (halting) {
+ SumForce(acc, c.Velocity() * -max_accel);
+ }
+ if (seeking) {
+ glm::dvec3 diff = seek_target - c.GetSituation().Position();
+ if (!allzero(diff)) {
+ SumForce(acc, ((normalize(diff) * max_speed) - c.Velocity()) * max_accel);
+ }
+ }
+ 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;
+ }
+ 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;
+ }
+}
+
}
}
projects / blobs.git / blobdiff