+#include "BlobBackgroundTask.hpp"
#include "Goal.hpp"
+#include "IdleGoal.hpp"
+#include "IngestGoal.hpp"
#include "LocateResourceGoal.hpp"
#include "Creature.hpp"
+#include "../app/Assets.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)
+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
+ double amount = GetCreature().GetStats().Breath().gain * -(1.0 + GetCreature().ExhaustionFactor());
+ GetCreature().GetStats().Breath().Add(amount * dt);
+ 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) {
+ drink_subtask->Accept(cmp.resource, 1.0);
+ }
+ }
+ drink_subtask->OnComplete([&](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) {
+ eat_subtask->Accept(cmp.resource, 1.0);
+ }
+ }
+ eat_subtask->OnComplete([&](Goal &) { eat_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(eat_subtask));
+ }
+}
+
+void BlobBackgroundTask::CheckSplit() {
+ if (GetCreature().Mass() > GetCreature().OffspringMass() * 2.0
+ && GetCreature().OffspringChance() > Assets().random.UNorm()) {
+ std::cout << "[" << int(GetCreature().GetSimulation().Time())
+ << "s] " << GetCreature().Name() << " split" << std::endl;
+ Split(GetCreature());
+ return;
+ }
+}
+
+void BlobBackgroundTask::CheckMutate() {
+ // check for random property mutation
+ if (GetCreature().MutateChance() > Assets().random.UNorm()) {
+ double amount = 1.0 + (Assets().random.SNorm() * 0.05);
+ math::Distribution &d = GetCreature().GetGenome().properties.props[(int(Assets().random.UNorm() * 8.0) % 8)];
+ if (Assets().random.UNorm() < 0.5) {
+ d.Mean(d.Mean() * amount);
+ } else {
+ d.StandardDeviation(d.StandardDeviation() * amount);
+ }
+ }
+}
+
+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()
+, 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()) {
+ // TODO: determine satisfaction factor
+ GetCreature().Ingest(resource, yield * 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
+ Interruptible(false);
+ ingesting = true;
+ }
+ } else {
+ locate_subtask = new LocateResourceGoal(GetCreature());
+ for (const auto &c : accept) {
+ locate_subtask->Accept(c.resource, c.value);
+ }
+ locate_subtask->Urgency(Urgency() + 0.1);
+ locate_subtask->OnComplete([&](Goal &){ locate_subtask = nullptr; });
+ GetCreature().AddGoal(std::unique_ptr<Goal>(locate_subtask));
+ }
+}
+
+bool IngestGoal::OnSuitableTile() {
+ if (!GetSituation().OnSurface()) {
+ 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;
+ }
+}
+
+
+Goal::Goal(Creature &c)
+: c(c)
+, on_complete()
+, 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();
+}
+
+const Steering &Goal::GetSteering() const noexcept {
+ return c.GetSteering();
+}
-LocateResourceGoal::LocateResourceGoal(int res)
-: res(res) {
+app::Assets &Goal::Assets() noexcept {
+ return c.GetSimulation().Assets();
+}
+
+const app::Assets &Goal::Assets() const noexcept {
+ return c.GetSimulation().Assets();
+}
+
+void Goal::SetComplete() noexcept {
+ if (!complete) {
+ complete = true;
+ if (on_complete) {
+ on_complete(*this);
+ }
+ }
+}
+
+void Goal::OnComplete(std::function<void(Goal &)> cb) noexcept {
+ on_complete = cb;
+ if (complete) {
+ on_complete(*this);
+ }
+}
+
+
+IdleGoal::IdleGoal(Creature &c)
+: Goal(c) {
+ Urgency(-1.0);
+ Interruptible(true);
+}
+
+IdleGoal::~IdleGoal() {
+}
+
+std::string IdleGoal::Describe() const {
+ return "idle";
+}
+
+void IdleGoal::Enable() {
+}
+
+void IdleGoal::Tick(double dt) {
+}
+
+void IdleGoal::Action() {
+}
+
+
+LocateResourceGoal::LocateResourceGoal(Creature &c)
+: Goal(c)
+, accept()
+, found(false)
+, target_pos(0.0)
+, target_srf(0)
+, target_tile(0)
+, searching(false)
+, reevaluate(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 {
+ double dist = glm::length2(GetSituation().Position() - target_pos);
+ if (dist < 0.0001) {
+ LocateResource();
+ } else {
+ GetSteering().GoTo(target_pos);
+ }
+ }
+ } else if (OnTargetTile()) {
+ 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();
+ target_srf = GetSituation().Surface();
+ target_tile = GetSituation().GetPlanet().SurfacePosition(target_srf, target_pos);
} 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;
- }
- }
- }
- }
- if (best) {
- c.GetSteering().GoTo(glm::dvec3(best_pos.x - offset + 0.5, best_pos.y - offset + 0.5, 0.0));
- } else {
- // oh crap
- }
+ SearchVicinity();
}
} else {
// well, what now?
}
}
+void LocateResourceGoal::SearchVicinity() {
+ const world::Planet &planet = GetSituation().GetPlanet();
+ int srf = GetSituation().Surface();
+ const glm::dvec3 &pos = GetSituation().Position();
+
+ glm::ivec2 loc = planet.SurfacePosition(srf, pos);
+ glm::ivec2 seek_radius(2);
+ glm::ivec2 begin(glm::max(glm::ivec2(0), loc - seek_radius));
+ glm::ivec2 end(glm::min(glm::ivec2(planet.SideLength()), loc + seek_radius + glm::ivec2(1)));
+
+ // this happens when location is way off the planet
+ // that's a bug in Situation, actually, but I'm working aound that here
+ if (end.x <= begin.x) {
+ end.x = begin.x + 2;
+ }
+ if (end.y <= begin.y) {
+ end.y = begin.y + 2;
+ }
+
+ double rating[end.y - begin.y][end.x - begin.x];
+ std::memset(rating, 0, sizeof(double) * (end.y - begin.y) * (end.x - begin.x));
+
+ // find close and rich field
+ for (int y = begin.y; y < end.y; ++y) {
+ for (int x = begin.x; x < end.x; ++x) {
+ const world::TileType &type = planet.TypeAt(srf, x, y);
+ auto yield = type.FindBestResource(accept);
+ if (yield != type.resources.cend()) {
+ // TODO: subtract minimum yield
+ rating[y - begin.y][x - begin.x] = yield->ubiquity * accept.Get(yield->resource);
+ double dist = std::max(0.125, 0.25 * glm::length(planet.TileCenter(srf, x, y) - pos));
+ rating[y - begin.y][x - begin.x] /= dist;
+ }
+ }
+ }
+
+ // demote crowded tiles
+ for (auto &c : planet.Creatures()) {
+ if (&*c == &GetCreature()) continue;
+ if (c->GetSituation().Surface() != srf) continue;
+ glm::ivec2 coords(c->GetSituation().SurfacePosition());
+ if (coords.x < begin.x || coords.x >= end.x) continue;
+ if (coords.y < begin.y || coords.y >= end.y) continue;
+ rating[coords.y - begin.y][coords.x - begin.x] *= 0.9;
+ }
+
+ glm::ivec2 best_pos(0);
+ double best_rating = -1.0;
+
+ for (int y = begin.y; y < end.y; ++y) {
+ for (int x = begin.x; x < end.x; ++x) {
+ if (rating[y - begin.y][x - begin.x] > best_rating) {
+ best_pos = glm::ivec2(x, y);
+ best_rating = rating[y - begin.y][x - begin.x];
+ }
+ }
+ }
+
+ if (best_rating) {
+ found = true;
+ searching = false;
+ target_pos = planet.TileCenter(srf, best_pos.x, best_pos.y);
+ target_srf = srf;
+ target_tile = best_pos;
+ GetSteering().GoTo(target_pos);
+ } else if (!searching) {
+ found = false;
+ searching = true;
+ target_pos = GetSituation().Position();
+ target_pos[(srf + 0) % 3] += Assets().random.SNorm();
+ target_pos[(srf + 1) % 3] += Assets().random.SNorm();
+ // bias towards current direction
+ target_pos += glm::normalize(GetSituation().Velocity()) * 0.5;
+ target_pos = clamp(target_pos, -planet.Radius(), planet.Radius());
+ GetSteering().GoTo(target_pos);
+ }
+}
+
+bool LocateResourceGoal::OnTargetTile() const noexcept {
+ const Situation &s = GetSituation();
+ return s.OnSurface()
+ && s.Surface() == target_srf
+ && s.OnTile()
+ && s.SurfacePosition() == target_tile;
+}
+
}
}
projects / blobs.git / blobdiff