+#include "AttackGoal.hpp"
+#include "BlobBackgroundTask.hpp"
#include "Goal.hpp"
+#include "IdleGoal.hpp"
+#include "IngestGoal.hpp"
#include "LocateResourceGoal.hpp"
+#include "StrollGoal.hpp"
#include "Creature.hpp"
+#include "../app/Assets.hpp"
+#include "../ui/string.hpp"
#include "../world/Planet.hpp"
+#include "../world/Resource.hpp"
+#include "../world/Simulation.hpp"
#include "../world/TileType.hpp"
+#include <cstring>
+#include <iostream>
+#include <sstream>
+#include <glm/gtx/io.hpp>
+
+
namespace blobs {
namespace creature {
-Goal::Goal()
-: urgency(0.0)
+AttackGoal::AttackGoal(Creature &self, Creature &target)
+: Goal(self)
+, target(target)
+, damage_target(0.25)
+, damage_dealt(0.0)
+, cooldown(0.0) {
+}
+
+AttackGoal::~AttackGoal() {
+}
+
+std::string AttackGoal::Describe() const {
+ return "attack " + target.Name();
+}
+
+void AttackGoal::Tick(double dt) {
+ cooldown -= dt;
+}
+
+void AttackGoal::Action() {
+ if (target.Dead() || !GetCreature().PerceptionTest(target.GetSituation().Position())) {
+ SetComplete();
+ return;
+ }
+ const glm::dvec3 diff(GetCreature().GetSituation().Position() - target.GetSituation().Position());
+ const double hit_range = GetCreature().Size() * 0.5 * GetCreature().DexertyFactor();
+ const double hit_dist = hit_range + (0.5 * GetCreature().Size()) + 0.5 * (target.Size());
+ if (GetCreature().GetStats().Damage().Critical()) {
+ // flee
+ GetCreature().GetSteering().Pass(diff * 5.0);
+ GetCreature().GetSteering().DontSeparate();
+ GetCreature().GetSteering().Haste(1.0);
+ } else if (glm::length2(diff) > hit_dist * hit_dist) {
+ // full throttle chase
+ GetCreature().GetSteering().Pass(target.GetSituation().Position());
+ GetCreature().GetSteering().DontSeparate();
+ GetCreature().GetSteering().Haste(1.0);
+ } else {
+ // attack
+ GetCreature().GetSteering().Halt();
+ GetCreature().GetSteering().DontSeparate();
+ GetCreature().GetSteering().Haste(1.0);
+ if (cooldown <= 0.0) {
+ constexpr double impulse = 0.05;
+ const double force = GetCreature().Strength();
+ const double damage =
+ force * impulse
+ * (GetCreature().GetComposition().TotalDensity() / target.GetComposition().TotalDensity())
+ * (GetCreature().Mass() / target.Mass())
+ / target.Mass();
+ GetCreature().DoWork(force * impulse * glm::length(diff));
+ target.Hurt(damage);
+ target.GetSituation().Accelerate(glm::normalize(diff) * force * -impulse);
+ damage_dealt += damage;
+ if (damage_dealt >= damage_target || target.Dead()) {
+ SetComplete();
+ if (target.Dead()) {
+ GetCreature().GetSimulation().Log() << GetCreature().Name()
+ << " killed " << target.Name() << std::endl;
+ }
+ }
+ cooldown = 1.0 + (4.0 * (1.0 - GetCreature().DexertyFactor()));
+ }
+ }
+}
+
+void AttackGoal::OnBackground() {
+ // abort if something more important comes up
+ SetComplete();
+}
+
+
+BlobBackgroundTask::BlobBackgroundTask(Creature &c)
+: Goal(c)
+, breathing(false)
+, drink_subtask(nullptr)
+, eat_subtask(nullptr) {
+}
+
+BlobBackgroundTask::~BlobBackgroundTask() {
+}
+
+std::string BlobBackgroundTask::Describe() const {
+ return "being a blob";
+}
+
+void BlobBackgroundTask::Tick(double dt) {
+ if (breathing) {
+ // TODO: derive breathing ability
+ int gas = Assets().data.resources["air"].id;
+ // TODO: check if in compatible atmosphere
+ double amount = GetCreature().GetStats().Breath().gain * -(1.0 + GetCreature().ExhaustionFactor());
+ GetCreature().GetStats().Breath().Add(amount * dt);
+ // maintain ~1% gas composition
+ double gas_amount = GetCreature().GetComposition().Get(gas);
+ if (gas_amount < GetCreature().GetComposition().TotalMass() * 0.01) {
+ double add = std::min(GetCreature().GetComposition().TotalMass() * 0.025 - gas_amount, -amount * dt);
+ GetCreature().Ingest(gas, add);
+ }
+ if (GetCreature().GetStats().Breath().Empty()) {
+ breathing = false;
+ }
+ }
+}
+
+void BlobBackgroundTask::Action() {
+ CheckStats();
+ CheckSplit();
+ CheckMutate();
+}
+
+void BlobBackgroundTask::CheckStats() {
+ Creature::Stats &stats = GetCreature().GetStats();
+
+ if (!breathing && stats.Breath().Bad()) {
+ breathing = true;
+ }
+
+ if (!drink_subtask && stats.Thirst().Bad()) {
+ drink_subtask = new IngestGoal(GetCreature(), stats.Thirst());
+ for (const auto &cmp : GetCreature().GetComposition()) {
+ if (Assets().data.resources[cmp.resource].state == world::Resource::LIQUID) {
+ double value = cmp.value / GetCreature().GetComposition().TotalMass();
+ drink_subtask->Accept(cmp.resource, value);
+ for (const auto &compat : Assets().data.resources[cmp.resource].compatibility) {
+ if (Assets().data.resources[compat.first].state == world::Resource::LIQUID) {
+ drink_subtask->Accept(compat.first, value * compat.second);
+ }
+ }
+ }
+ }
+ drink_subtask->WhenComplete([&](Goal &) { drink_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(drink_subtask));
+ }
+
+ if (!eat_subtask && stats.Hunger().Bad()) {
+ eat_subtask = new IngestGoal(GetCreature(), stats.Hunger());
+ for (const auto &cmp : GetCreature().GetComposition()) {
+ if (Assets().data.resources[cmp.resource].state == world::Resource::SOLID) {
+ double value = cmp.value / GetCreature().GetComposition().TotalMass();
+ eat_subtask->Accept(cmp.resource, value);
+ for (const auto &compat : Assets().data.resources[cmp.resource].compatibility) {
+ if (Assets().data.resources[compat.first].state == world::Resource::SOLID) {
+ eat_subtask->Accept(compat.first, value * compat.second);
+ }
+ }
+ }
+ }
+ eat_subtask->WhenComplete([&](Goal &) { eat_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(eat_subtask));
+ }
+
+ // when in bad shape, don't make much effort
+ if (stats.Damage().Bad() || stats.Exhaustion().Bad() || stats.Fatigue().Critical()) {
+ GetCreature().GetSteering().DontSeparate();
+ } else {
+ GetCreature().GetSteering().ResumeSeparate();
+ }
+}
+
+void BlobBackgroundTask::CheckSplit() {
+ if (GetCreature().Mass() > GetCreature().OffspringMass() * 2.0
+ && GetCreature().OffspringChance() > Random().UNorm()) {
+ GetCreature().GetSimulation().Log() << GetCreature().Name() << " split" << std::endl;
+ Split(GetCreature());
+ return;
+ }
+}
+
+void BlobBackgroundTask::CheckMutate() {
+ // check for random property mutation
+ if (GetCreature().MutateChance() > Random().UNorm()) {
+ double amount = 1.0 + (Random().SNorm() * 0.05);
+ math::Distribution &d = GetCreature().GetGenome().properties.props[Random().UInt(9)];
+ if (Random().UNorm() < 0.5) {
+ d.Mean(d.Mean() * amount);
+ } else {
+ d.StandardDeviation(d.StandardDeviation() * amount);
+ }
+ }
+}
+
+
+Goal::Goal(Creature &c)
+: c(c)
+, on_complete()
+, on_foreground()
+, on_background()
+, urgency(0.0)
, interruptible(true)
, complete(false) {
}
Goal::~Goal() noexcept {
}
+Situation &Goal::GetSituation() noexcept {
+ return c.GetSituation();
+}
+
+const Situation &Goal::GetSituation() const noexcept {
+ return c.GetSituation();
+}
+
+Steering &Goal::GetSteering() noexcept {
+ return c.GetSteering();
+}
-LocateResourceGoal::LocateResourceGoal(int res)
-: res(res) {
+const Steering &Goal::GetSteering() const noexcept {
+ return c.GetSteering();
+}
+
+app::Assets &Goal::Assets() noexcept {
+ return c.GetSimulation().Assets();
+}
+
+const app::Assets &Goal::Assets() const noexcept {
+ return c.GetSimulation().Assets();
+}
+
+math::GaloisLFSR &Goal::Random() noexcept {
+ return Assets().random;
+}
+
+void Goal::SetComplete() {
+ if (!complete) {
+ complete = true;
+ OnComplete();
+ if (on_complete) {
+ on_complete(*this);
+ }
+ }
+}
+
+void Goal::SetForeground() {
+ OnForeground();
+ if (on_foreground) {
+ on_foreground(*this);
+ }
+}
+
+void Goal::SetBackground() {
+ OnBackground();
+ if (on_background) {
+ on_background(*this);
+ }
+}
+
+void Goal::WhenComplete(std::function<void(Goal &)> cb) noexcept {
+ on_complete = cb;
+ if (complete) {
+ on_complete(*this);
+ }
+}
+
+void Goal::WhenForeground(std::function<void(Goal &)> cb) noexcept {
+ on_foreground = cb;
+}
+
+void Goal::WhenBackground(std::function<void(Goal &)> cb) noexcept {
+ on_background = cb;
+}
+
+
+IdleGoal::IdleGoal(Creature &c)
+: Goal(c) {
+ Urgency(-1.0);
+ Interruptible(true);
+}
+
+IdleGoal::~IdleGoal() {
+}
+
+std::string IdleGoal::Describe() const {
+ return "idle";
+}
+
+void IdleGoal::Action() {
+ // use boredom as chance per minute
+ if (Random().UNorm() < GetCreature().GetStats().Boredom().value * (1.0 / 3600.0)) {
+ PickActivity();
+ }
+}
+
+void IdleGoal::PickActivity() {
+ GetCreature().AddGoal(std::unique_ptr<Goal>(new StrollGoal(GetCreature())));
+}
+
+
+namespace {
+
+std::string summarize(const Composition &comp, const app::Assets &assets) {
+ std::stringstream s;
+ bool first = true;
+ for (const auto &c : comp) {
+ if (first) {
+ first = false;
+ } else {
+ s << " or ";
+ }
+ s << assets.data.resources[c.resource].label;
+ }
+ return s.str();
+}
+
+}
+
+IngestGoal::IngestGoal(Creature &c, Creature::Stat &stat)
+: Goal(c)
+, stat(stat)
+, accept(Assets().data.resources)
+, locate_subtask(nullptr)
+, ingesting(false)
+, resource(-1)
+, yield(0.0) {
+ Urgency(stat.value);
+}
+
+IngestGoal::~IngestGoal() {
+}
+
+void IngestGoal::Accept(int resource, double value) {
+ accept.Add(resource, value);
+}
+
+std::string IngestGoal::Describe() const {
+ if (resource == -1) {
+ return "ingest " + summarize(accept, Assets());
+ } else {
+ const world::Resource &r = Assets().data.resources[resource];
+ if (r.state == world::Resource::SOLID) {
+ return "eat " + r.label;
+ } else {
+ return "drink " + r.label;
+ }
+ }
+}
+
+void IngestGoal::Enable() {
+}
+
+void IngestGoal::Tick(double dt) {
+ Urgency(stat.value);
+ if (locate_subtask) {
+ locate_subtask->Urgency(Urgency() + 0.1);
+ }
+ if (ingesting) {
+ if (OnSuitableTile() && !GetSituation().Moving()) {
+ GetCreature().Ingest(resource, yield * GetCreature().GetComposition().Compatibility(resource) * dt);
+ stat.Add(-1.0 * yield * dt);
+ if (stat.Empty()) {
+ SetComplete();
+ }
+ } else {
+ // left tile somehow, some idiot probably pushed us off
+ ingesting = false;
+ Interruptible(true);
+ }
+ }
+}
+
+void IngestGoal::Action() {
+ if (ingesting) {
+ // all good
+ return;
+ }
+ if (OnSuitableTile()) {
+ if (GetSituation().Moving()) {
+ // break with maximum force
+ GetSteering().Haste(1.0);
+ GetSteering().Halt();
+ } else {
+ // finally
+ // TODO: somehow this still gets interrupted
+ Interruptible(false);
+ ingesting = true;
+ }
+ } else {
+ locate_subtask = new LocateResourceGoal(GetCreature());
+ for (const auto &c : accept) {
+ locate_subtask->Accept(c.resource, c.value);
+ }
+ locate_subtask->SetMinimum(stat.gain * -1.1);
+ locate_subtask->Urgency(Urgency() + 0.1);
+ locate_subtask->WhenComplete([&](Goal &){ locate_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(locate_subtask));
+ }
+}
+
+bool IngestGoal::OnSuitableTile() {
+ if (!GetSituation().OnGround()) {
+ return false;
+ }
+ const world::TileType &t = GetSituation().GetTileType();
+ auto found = t.FindBestResource(accept);
+ if (found != t.resources.end()) {
+ resource = found->resource;
+ yield = found->ubiquity;
+ return true;
+ } else {
+ resource = -1;
+ return false;
+ }
+}
+
+
+LocateResourceGoal::LocateResourceGoal(Creature &c)
+: Goal(c)
+, accept(Assets().data.resources)
+, found(false)
+, target_pos(0.0)
+, searching(false)
+, reevaluate(0.0)
+, minimum(0.0) {
}
LocateResourceGoal::~LocateResourceGoal() noexcept {
}
-void LocateResourceGoal::Enable(Creature &c) {
+void LocateResourceGoal::Accept(int resource, double value) {
+ accept.Add(resource, value);
+}
+
+std::string LocateResourceGoal::Describe() const {
+ return "locate " + summarize(accept, Assets());
+}
+
+void LocateResourceGoal::Enable() {
+
}
void LocateResourceGoal::Tick(double dt) {
+ reevaluate -= dt;
}
-void LocateResourceGoal::Action(Creature &c) {
- if (c.GetSituation().OnSurface()) {
- const world::TileType &t = c.GetSituation().GetTileType();
- auto yield = t.FindResource(res);
+void LocateResourceGoal::Action() {
+ if (reevaluate < 0.0) {
+ LocateResource();
+ reevaluate = 3.0;
+ } else if (!found) {
+ if (!searching) {
+ LocateResource();
+ } else {
+ if (OnTarget()) {
+ searching = false;
+ LocateResource();
+ } else {
+ GetSteering().GoTo(target_pos);
+ }
+ }
+ } else if (OnTarget()) {
+ GetSteering().Halt();
+ if (!GetSituation().Moving()) {
+ SetComplete();
+ }
+ } else {
+ GetSteering().GoTo(target_pos);
+ }
+ GetSteering().Haste(Urgency());
+}
+
+void LocateResourceGoal::LocateResource() {
+ if (GetSituation().OnSurface()) {
+ const world::TileType &t = GetSituation().GetTileType();
+ auto yield = t.FindBestResource(accept);
if (yield != t.resources.cend()) {
// hoooray
- c.GetSteering().Halt();
- Complete(true);
+ GetSteering().Halt();
+ found = true;
+ searching = false;
+ target_pos = GetSituation().Position();
} else {
// go find somewhere else
- const world::Planet &planet = c.GetSituation().GetPlanet();
- double side_length = planet.SideLength();
- double offset = side_length * 0.5;
- glm::ivec2 loc = glm::ivec2(c.GetSituation().Position() + offset);
- glm::ivec2 seek_radius(2);
- glm::ivec2 begin(glm::max(glm::ivec2(0), loc - seek_radius));
- glm::ivec2 end(glm::min(glm::ivec2(side_length), loc + seek_radius));
- const world::TileType::Yield *best = nullptr;
- glm::ivec2 best_pos;
- double best_distance = 2 * side_length * side_length;
- for (int y = begin.y; y < end.y; ++y) {
- for (int x = begin.x; x < end.x; ++x) {
- const world::TileType &type = planet.TypeAt(c.GetSituation().Surface(), x, y);
- auto yield = type.FindResource(res);
- if (yield != type.resources.cend()) {
- double dist = glm::length2(glm::dvec3(x - offset + 0.5, y - offset + 0.5, 0.0) - c.GetSituation().Position());
- if (!best) {
- best = &*yield;
- best_pos = glm::ivec2(x, y);
- best_distance = dist;
- } else if (yield->ubiquity + (dist * 0.125) > best->ubiquity + (best_distance * 0.125)) {
- best = &*yield;
- best_pos = glm::ivec2(x, y);
- best_distance = dist;
- }
- }
+ SearchVicinity();
+ if (!found) {
+ Remember();
+ if (!found) {
+ RandomWalk();
}
}
- if (best) {
- c.GetSteering().GoTo(glm::dvec3(best_pos.x - offset + 0.5, best_pos.y - offset + 0.5, 0.0));
- } else {
- // oh crap
- }
}
} else {
// well, what now?
+ found = false;
+ searching = false;
+ }
+}
+
+void LocateResourceGoal::SearchVicinity() {
+ const world::Planet &planet = GetSituation().GetPlanet();
+ const glm::dvec3 &pos = GetSituation().Position();
+ const glm::dvec3 normal(planet.NormalAt(pos));
+ const glm::dvec3 step_x(glm::normalize(glm::cross(normal, glm::dvec3(normal.z, normal.x, normal.y))) * (GetCreature().PerceptionOmniRange() * 0.7));
+ const glm::dvec3 step_y(glm::normalize(glm::cross(step_x, normal)) * (GetCreature().PerceptionOmniRange() * 0.7));
+
+ const int search_radius = int(GetCreature().PerceptionRange() / (GetCreature().PerceptionOmniRange() * 0.7));
+ double rating[2 * search_radius + 1][2 * search_radius + 1];
+ std::memset(rating, '\0', (2 * search_radius + 1) * (2 * search_radius + 1) * sizeof(double));
+
+ // find close and rich field
+ for (int y = -search_radius; y < search_radius + 1; ++y) {
+ for (int x = -search_radius; x < search_radius + 1; ++x) {
+ const glm::dvec3 tpos(pos + (double(x) * step_x) + (double(y) * step_y));
+ if (!GetCreature().PerceptionTest(tpos)) continue;
+ const world::TileType &type = planet.TileTypeAt(tpos);
+ auto yield = type.FindBestResource(accept);
+ if (yield != type.resources.cend()) {
+ // TODO: subtract minimum yield
+ rating[y + search_radius][x + search_radius] = yield->ubiquity * accept.Get(yield->resource);
+ // penalize distance
+ double dist = std::max(0.125, 0.25 * glm::length2(tpos - pos));
+ rating[y + search_radius][x + search_radius] /= dist;
+ }
+ }
+ }
+
+ // penalize crowding
+ for (auto &c : planet.Creatures()) {
+ if (&*c == &GetCreature()) continue;
+ for (int y = -search_radius; y < search_radius + 1; ++y) {
+ for (int x = -search_radius; x < search_radius + 1; ++x) {
+ const glm::dvec3 tpos(pos + (double(x) * step_x) + (double(y) * step_y));
+ if (glm::length2(tpos - c->GetSituation().Position()) < 1.0) {
+ rating[y + search_radius][x + search_radius] *= 0.8;
+ }
+ }
+ }
+ }
+
+ glm::ivec2 best_pos(0);
+ double best_rating = -1.0;
+
+ for (int y = -search_radius; y < search_radius + 1; ++y) {
+ for (int x = -search_radius; x < search_radius + 1; ++x) {
+ if (rating[y + search_radius][x + search_radius] > best_rating) {
+ best_pos = glm::ivec2(x, y);
+ best_rating = rating[y + search_radius][x + search_radius];
+ }
+ }
+ }
+
+ if (best_rating > minimum) {
+ found = true;
+ searching = false;
+ target_pos = glm::normalize(pos + (double(best_pos.x) * step_x) + (double(best_pos.y) * step_y)) * planet.Radius();
+ GetSteering().GoTo(target_pos);
+ }
+}
+
+void LocateResourceGoal::Remember() {
+ glm::dvec3 pos(0.0);
+ if (GetCreature().GetMemory().RememberLocation(accept, pos)) {
+ found = true;
+ searching = false;
+ target_pos = pos;
+ GetSteering().GoTo(target_pos);
+ }
+}
+
+void LocateResourceGoal::RandomWalk() {
+ if (searching) {
+ return;
+ }
+
+ const world::Planet &planet = GetSituation().GetPlanet();
+ const glm::dvec3 &pos = GetSituation().Position();
+ const glm::dvec3 normal(planet.NormalAt(pos));
+ const glm::dvec3 step_x(glm::normalize(glm::cross(normal, glm::dvec3(normal.z, normal.x, normal.y))));
+ const glm::dvec3 step_y(glm::normalize(glm::cross(step_x, normal)));
+
+ found = false;
+ searching = true;
+ target_pos = GetSituation().Position();
+ target_pos += Random().SNorm() * 3.0 * step_x;
+ target_pos += Random().SNorm() * 3.0 * step_y;
+ // bias towards current heading
+ target_pos += GetSituation().Heading() * 1.5;
+ target_pos = glm::normalize(target_pos) * planet.Radius();
+ GetSteering().GoTo(target_pos);
+}
+
+bool LocateResourceGoal::OnTarget() const noexcept {
+ const Situation &s = GetSituation();
+ return s.OnGround() && glm::length2(s.Position() - target_pos) < 0.0001;
+}
+
+
+StrollGoal::StrollGoal(Creature &c)
+: Goal(c)
+, last(GetSituation().Position())
+, next(last) {
+}
+
+StrollGoal::~StrollGoal() {
+}
+
+std::string StrollGoal::Describe() const {
+ return "take a walk";
+}
+
+void StrollGoal::Enable() {
+ last = GetSituation().Position();
+ GetSteering().Haste(0.0);
+ PickTarget();
+}
+
+void StrollGoal::Action() {
+ if (glm::length2(next - GetSituation().Position()) < 0.0001) {
+ PickTarget();
+ }
+}
+
+void StrollGoal::OnBackground() {
+ SetComplete();
+}
+
+void StrollGoal::PickTarget() noexcept {
+ last = next;
+ next += GetSituation().Heading() * 1.5;
+ const glm::dvec3 normal(GetSituation().GetPlanet().NormalAt(GetSituation().Position()));
+ glm::dvec3 rand_x(GetSituation().Heading());
+ if (std::abs(glm::dot(normal, rand_x)) > 0.999) {
+ rand_x = glm::dvec3(normal.z, normal.x, normal.y);
}
+ glm::dvec3 rand_y = glm::cross(normal, rand_x);
+ next += ((rand_x * Random().SNorm()) + (rand_y * Random().SNorm())) * 1.5;
+ next = glm::normalize(next) * GetSituation().GetPlanet().Radius();
+ GetSteering().GoTo(next);
}
}
projects / blobs.git / blobdiff