X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fcreature%2Fcreature.cpp;h=f51f52ca4a16427cf75ab870577b8f5e71df45b6;hb=c475ecb15fb2222977cf64ca7bdbea0f303a4192;hp=de3a4b7dc6d1b19aea9ccb61e345df6950308fef;hpb=2025d49798b93180237b6ce62d3ff5d6ee8ebc6e;p=blobs.git

diff --git a/src/creature/creature.cpp b/src/creature/creature.cpp
index de3a4b7..f51f52c 100644
--- a/src/creature/creature.cpp
+++ b/src/creature/creature.cpp
@@ -1,6 +1,12 @@
 #include "Creature.hpp"
+#include "Genome.hpp"
+#include "Memory.hpp"
+#include "NameGenerator.hpp"
 #include "Situation.hpp"
+#include "Steering.hpp"
 
+#include "Goal.hpp"
+#include "IdleGoal.hpp"
 #include "InhaleNeed.hpp"
 #include "IngestNeed.hpp"
 #include "Need.hpp"
@@ -10,46 +16,149 @@
 #include "../world/Simulation.hpp"
 #include "../world/TileType.hpp"
 
+#include <algorithm>
+#include <sstream>
 #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)
+, memory(*this)
 , 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;
+	}
+
+	memory.Tick(dt);
 	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() {
@@ -134,15 +243,15 @@ 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;
@@ -150,7 +259,7 @@ void Spawn(Creature &c, world::Planet &p, app::Assets &assets) {
 	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.tile_types[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;
 			}
@@ -159,46 +268,181 @@ void Spawn(Creature &c, world::Planet &p, app::Assets &assets) {
 	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(), 0.5, 0.1));
-		need->name = assets.data.resources[p.Atmosphere()].label;
-		need->gain = 0.2;
-		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 = 0.01;
-		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, 0.1, 0.001));
-		need->name = assets.data.resources[solid].label;
-		need->gain = 0.007;
-		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(c.GetSimulation().Assets().name.Sequential());
+	// 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(c.GetSimulation().Assets().name.Sequential());
+	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();
+}
+
+
+Memory::Memory(Creature &c)
+: c(c) {
+}
+
+Memory::~Memory() {
+}
+
+void Memory::Tick(double dt) {
+	Situation &s = c.GetSituation();
+	if (s.OnSurface()) {
+		TrackStay({ &s.GetPlanet(), s.Surface(), s.SurfacePosition() }, dt);
+	}
+}
+
+void Memory::TrackStay(const Location &l, double t) {
+	const world::TileType &type = l.planet->TypeAt(l.surface, l.coords.x, l.coords.y);
+	auto entry = known_types.find(type.id);
+	if (entry != known_types.end()) {
+		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
+		});
+	}
+}
+
+
+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)
@@ -217,16 +461,37 @@ 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 {
-	double side_length = planet->SideLength();
-	double offset = side_length * 0.5;
-	double x = std::max(0.0, std::min(side_length, position.x + offset));
-	double y = std::max(0.0, std::min(side_length, position.y + offset));
-	return planet->TileAt(surface, int(x), int(y));
+	glm::ivec2 t(planet->SurfacePosition(surface, position));
+	return planet->TileAt(surface, t.x, t.y);
 }
 
 const world::TileType &Situation::GetTileType() const noexcept {
-	return planet->GetSimulation().TileTypes()[GetTile().type];
+	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 {
@@ -236,5 +501,63 @@ void Situation::SetPlanetSurface(world::Planet &p, int srf, const glm::dvec3 &po
 	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;
+	}
+}
+
 }
 }