]> git.localhorst.tv Git - blobs.git/blobdiff - src/creature/creature.cpp
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[blobs.git] / src / creature / creature.cpp
index 911d9d024f4ce7c58d4b69e4960ec42575e67ba4..7333fdc42978693728e2d2bf599c9e3c159669b1 100644 (file)
@@ -193,7 +193,7 @@ void Creature::Ingest(int res, double amount) noexcept {
 }
 
 void Creature::DoWork(double amount) noexcept {
-       stats.Exhaustion().Add(amount / Stamina());
+       stats.Exhaustion().Add(amount / (Stamina() + 1.0));
        // burn resources proportional to composition
        // factor = 1/total * 1/efficiency * amount * -1
        double factor = -amount / (composition.TotalMass() * EnergyEfficiency());
@@ -204,6 +204,8 @@ void Creature::DoWork(double amount) noexcept {
                double value = cmp.value * factor * sim.Resources()[cmp.resource].inverse_energy;
                AddMass(cmp.resource, value);
        }
+       // doing work improves strength a little
+       properties.Strength() += amount * 0.0001;
 }
 
 void Creature::Hurt(double amount) noexcept {
@@ -340,10 +342,10 @@ double Creature::PerceptionField() const noexcept {
 bool Creature::PerceptionTest(const glm::dvec3 &p) const noexcept {
        const glm::dvec3 diff(p - situation.Position());
        double omni_range = PerceptionOmniRange();
-       if (length2(diff) < omni_range * omni_range) return true;
+       if (glm::length2(diff) < omni_range * omni_range) return true;
        double range = PerceptionRange();
-       if (length2(diff) > range * range) return false;
-       return dot(normalize(diff), situation.Heading()) > PerceptionField();
+       if (glm::length2(diff) > range * range) return false;
+       return glm::dot(glm::normalize(diff), situation.Heading()) > PerceptionField();
 }
 
 double Creature::OffspringChance() const noexcept {
@@ -360,6 +362,9 @@ double Creature::AdaptChance() const noexcept {
 
 void Creature::AddGoal(std::unique_ptr<Goal> &&g) {
        g->Enable();
+       if (goals.empty()) {
+               g->SetForeground();
+       }
        goals.emplace_back(std::move(g));
 }
 
@@ -392,21 +397,21 @@ void Creature::TickState(double dt) {
        state.pos += f.vel * dt;
        state.vel += f.acc * dt;
        situation.EnforceConstraints(state);
-       if (length2(state.vel) > 0.000001) {
-               glm::dvec3 nvel(normalize(state.vel));
-               double ang = angle(nvel, state.dir);
+       if (glm::length2(state.vel) > 0.000001) {
+               glm::dvec3 nvel(glm::normalize(state.vel));
+               double ang = glm::angle(nvel, state.dir);
                double turn_rate = PI * 0.75 * dt;
                if (ang < turn_rate) {
-                       state.dir = normalize(state.vel);
+                       state.dir = glm::normalize(state.vel);
                } else if (std::abs(ang - PI) < 0.001) {
-                       state.dir = rotate(state.dir, turn_rate, world::Planet::SurfaceNormal(situation.Surface()));
+                       state.dir = glm::rotate(state.dir, turn_rate, situation.GetPlanet().NormalAt(state.pos));
                } else {
-                       state.dir = rotate(state.dir, turn_rate, normalize(cross(state.dir, nvel)));
+                       state.dir = glm::rotate(state.dir, turn_rate, glm::normalize(glm::cross(state.dir, nvel)));
                }
        }
        situation.SetState(state);
        // work is force times distance
-       DoWork(length(f.acc) * Mass() * length(f.vel) * dt);
+       DoWork(glm::length(f.acc) * Mass() * glm::length(f.vel) * dt);
 }
 
 Situation::Derivative Creature::Step(const Situation::Derivative &ds, double dt) const noexcept {
@@ -415,8 +420,8 @@ Situation::Derivative Creature::Step(const Situation::Derivative &ds, double dt)
        s.vel += ds.acc * dt;
        glm::dvec3 force(steering.Force(s));
        // gravity = antinormal * mass * Gm / r²
-       double elevation = s.pos[(situation.Surface() + 2) % 3];
-       glm::dvec3 normal(world::Planet::SurfaceNormal(situation.Surface()));
+       double elevation = situation.GetPlanet().DistanceAt(s.pos);
+       glm::dvec3 normal(situation.GetPlanet().NormalAt(s.pos));
        force += glm::dvec3(
                -normal
                * Mass() * situation.GetPlanet().GravitationalParameter()
@@ -424,10 +429,10 @@ Situation::Derivative Creature::Step(const Situation::Derivative &ds, double dt)
        // if net force is applied and in contact with surface
        if (!allzero(force) && std::abs(std::abs(elevation) - situation.GetPlanet().Radius()) < 0.001) {
                // apply friction = -|normal force| * tangential force * coefficient
-               glm::dvec3 fn(normal * dot(force, normal));
+               glm::dvec3 fn(normal * glm::dot(force, normal));
                glm::dvec3 ft(force - fn);
                double u = 0.4;
-               glm::dvec3 friction(-length(fn) * ft * u);
+               glm::dvec3 friction(-glm::length(fn) * ft * u);
                force += friction;
        }
        return {
@@ -470,10 +475,16 @@ void Creature::TickBrain(double dt) {
        for (auto &goal : goals) {
                goal->Tick(dt);
        }
+       Goal *top = &*goals.front();
        // if active goal can be interrupted, check priorities
        if (goals.size() > 1 && goals[0]->Interruptible()) {
                std::sort(goals.begin(), goals.end(), GoalCompare);
        }
+       if (&*goals.front() != top) {
+               top->SetBackground();
+               goals.front()->SetForeground();
+               top = &*goals.front();
+       }
        goals[0]->Action();
        for (auto goal = goals.begin(); goal != goals.end();) {
                if ((*goal)->Complete()) {
@@ -482,6 +493,9 @@ void Creature::TickBrain(double dt) {
                        ++goal;
                }
        }
+       if (&*goals.front() != top) {
+               goals.front()->SetForeground();
+       }
 }
 
 math::AABB Creature::CollisionBox() const noexcept {
@@ -491,10 +505,17 @@ math::AABB Creature::CollisionBox() const noexcept {
 glm::dmat4 Creature::CollisionTransform() const noexcept {
        const double half_size = size * 0.5;
        const glm::dvec3 &pos = situation.Position();
-       const glm::dmat3 srf(world::Planet::SurfaceOrientation(situation.Surface()));
-       return glm::translate(glm::dvec3(pos.x, pos.y, pos.z + half_size))
-               * glm::rotate(glm::orientedAngle(-srf[2], situation.Heading(), srf[1]), srf[1])
-               * glm::dmat4(srf);
+       glm::dmat3 orient;
+       orient[1] = situation.GetPlanet().NormalAt(pos);
+       orient[2] = situation.Heading();
+       if (std::abs(glm::dot(orient[1], orient[2])) > 0.999) {
+               orient[2] = glm::dvec3(orient[1].z, orient[1].x, orient[1].y);
+       }
+       orient[0] = glm::normalize(glm::cross(orient[1], orient[2]));
+       orient[2] = glm::normalize(glm::cross(orient[0], orient[1]));
+       return glm::translate(glm::dvec3(pos.x, pos.y, pos.z))
+               * glm::dmat4(orient)
+               * glm::translate(glm::dvec3(0.0, half_size, 0.0));
 }
 
 glm::dmat4 Creature::LocalTransform() noexcept {
@@ -599,8 +620,8 @@ void Creature::Draw(graphics::Viewport &viewport) {
 
 void Spawn(Creature &c, world::Planet &p) {
        p.AddCreature(&c);
-       c.GetSituation().SetPlanetSurface(p, 0, p.TileCenter(0, p.SideLength() / 2, p.SideLength() / 2));
-       c.GetSituation().Heading(-world::Planet::SurfaceOrientation(0)[2]);
+       c.GetSituation().SetPlanetSurface(p, glm::dvec3(0.0, 0.0, p.Radius()));
+       c.GetSituation().Heading(glm::dvec3(1.0, 0.0, 0.0));
 
        // probe surrounding area for common resources
        int start = p.SideLength() / 2 - 2;
@@ -718,7 +739,7 @@ void Split(Creature &c) {
        s.GetPlanet().AddCreature(a);
        // TODO: duplicate situation somehow
        a->GetSituation().SetPlanetSurface(
-               s.GetPlanet(), s.Surface(),
+               s.GetPlanet(),
                s.Position() + glm::dvec3(0.0, 0.55 * a->Size(), 0.0));
        a->BuildVAO();
        c.GetSimulation().Log() << a->Name() << " was born" << std::endl;
@@ -732,7 +753,7 @@ void Split(Creature &c) {
        }
        s.GetPlanet().AddCreature(b);
        b->GetSituation().SetPlanetSurface(
-               s.GetPlanet(), s.Surface(),
+               s.GetPlanet(),
                s.Position() - glm::dvec3(0.0, 0.55 * b->Size(), 0.0));
        b->BuildVAO();
        c.GetSimulation().Log() << b->Name() << " was born" << std::endl;
@@ -754,13 +775,13 @@ void Memory::Erase() {
 
 void Memory::Tick(double dt) {
        Situation &s = c.GetSituation();
-       if (s.OnTile()) {
-               TrackStay({ &s.GetPlanet(), s.Surface(), s.SurfacePosition() }, dt);
+       if (s.OnSurface()) {
+               TrackStay({ &s.GetPlanet(), s.Position() }, dt);
        }
 }
 
 void Memory::TrackStay(const Location &l, double t) {
-       const world::TileType &type = l.planet->TypeAt(l.surface, l.coords.x, l.coords.y);
+       const world::TileType &type = l.planet->TileTypeAt(l.position);
        auto entry = known_types.find(type.id);
        if (entry != known_types.end()) {
                if (c.GetSimulation().Time() - entry->second.last_been > c.GetProperties().Lifetime() * 0.1) {
@@ -808,7 +829,6 @@ std::string NameGenerator::Sequential() {
 Situation::Situation()
 : planet(nullptr)
 , state(glm::dvec3(0.0), glm::dvec3(0.0))
-, surface(0)
 , type(LOST) {
 }
 
@@ -823,25 +843,12 @@ bool Situation::OnSurface() const noexcept {
        return type == PLANET_SURFACE;
 }
 
-bool Situation::OnTile() const noexcept {
-       if (type != PLANET_SURFACE) return false;
-       glm::ivec2 t(planet->SurfacePosition(surface, state.pos));
-       return t.x >= 0 && t.x < planet->SideLength()
-               && t.y >= 0 && t.y < planet->SideLength();
-}
-
-glm::ivec2 Situation::SurfacePosition() const noexcept {
-       return planet->SurfacePosition(surface, state.pos);
-}
-
 world::Tile &Situation::GetTile() const noexcept {
-       glm::ivec2 t(planet->SurfacePosition(surface, state.pos));
-       return planet->TileAt(surface, t.x, t.y);
+       return planet->TileAt(state.pos);
 }
 
 const world::TileType &Situation::GetTileType() const noexcept {
-       glm::ivec2 t(planet->SurfacePosition(surface, state.pos));
-       return planet->TypeAt(surface, t.x, t.y);
+       return planet->TileTypeAt(state.pos);
 }
 
 void Situation::Move(const glm::dvec3 &dp) noexcept {
@@ -856,24 +863,16 @@ void Situation::Accelerate(const glm::dvec3 &dv) noexcept {
 
 void Situation::EnforceConstraints(State &s) noexcept {
        if (OnSurface()) {
-               if (Surface() < 3) {
-                       if (s.pos[(Surface() + 2) % 3] < GetPlanet().Radius()) {
-                               s.pos[(Surface() + 2) % 3] = GetPlanet().Radius();
-                               s.vel[(Surface() + 2) % 3] = std::max(0.0, s.vel[(Surface() + 2) % 3]);
-                       }
-               } else {
-                       if (s.pos[(Surface() + 2) % 3] > -GetPlanet().Radius()) {
-                               s.pos[(Surface() + 2) % 3] = -GetPlanet().Radius();
-                               s.vel[(Surface() + 2) % 3] = std::min(0.0, s.vel[(Surface() + 2) % 3]);
-                       }
+               double r = GetPlanet().Radius();
+               if (glm::length2(s.pos) < r * r) {
+                       s.pos = glm::normalize(s.pos) * r;
                }
        }
 }
 
-void Situation::SetPlanetSurface(world::Planet &p, int srf, const glm::dvec3 &pos) noexcept {
+void Situation::SetPlanetSurface(world::Planet &p, const glm::dvec3 &pos) noexcept {
        type = PLANET_SURFACE;
        planet = &p;
-       surface = srf;
        state.pos = pos;
        EnforceConstraints(state);
 }
@@ -948,12 +947,10 @@ glm::dvec3 Steering::Force(const Situation::State &s) const noexcept {
                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;
+                       if (glm::length2(diff) > max_look * max_look) continue;
                        if (!c.PerceptionTest(other->GetSituation().Position())) 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);
-                       }
+                       double sep = glm::clamp(glm::length(diff) - other->Size() * 0.707 - c.Size() * 0.707, 0.0, min_dist);
+                       repulse += glm::normalize(diff) * (1.0 - sep / min_dist) * force;
                }
                result += repulse;
        }
@@ -964,18 +961,18 @@ glm::dvec3 Steering::Force(const Situation::State &s) const noexcept {
        if (seeking) {
                glm::dvec3 diff = target - s.pos;
                if (!allzero(diff)) {
-                       result += TargetVelocity(s, (normalize(diff) * speed), force);
+                       result += TargetVelocity(s, (glm::normalize(diff) * speed), force);
                }
        }
        if (arriving) {
                glm::dvec3 diff = target - s.pos;
-               double dist = length(diff);
+               double dist = glm::length(diff);
                if (!allzero(diff) && dist > std::numeric_limits<double>::epsilon()) {
                        result += TargetVelocity(s, diff * std::min(dist * force, speed) / dist, force);
                }
        }
-       if (length2(result) > max_force * max_force) {
-               result = normalize(result) * max_force;
+       if (glm::length2(result) > max_force * max_force) {
+               result = glm::normalize(result) * max_force;
        }
        return result;
 }