]> git.localhorst.tv Git - blobs.git/blobdiff - src/creature/creature.cpp
fix turn behaviour
[blobs.git] / src / creature / creature.cpp
index e736d524232b47ae18580522feffe6a2859616ac..690f6fb7fe1608db0045952cce5c648e60ca1dcb 100644 (file)
@@ -5,12 +5,14 @@
 #include "Situation.hpp"
 #include "Steering.hpp"
 
+#include "BlobBackgroundTask.hpp"
 #include "Goal.hpp"
 #include "IdleGoal.hpp"
 #include "InhaleNeed.hpp"
 #include "IngestNeed.hpp"
 #include "Need.hpp"
 #include "../app/Assets.hpp"
+#include "../math/const.hpp"
 #include "../world/Body.hpp"
 #include "../world/Planet.hpp"
 #include "../world/Simulation.hpp"
@@ -44,6 +46,7 @@ Creature::Creature(world::Simulation &sim)
 , on_death()
 , removable(false)
 , memory(*this)
+, bg_task()
 , needs()
 , goals()
 , situation()
@@ -127,7 +130,11 @@ double Creature::AgeLerp(double from, double to) const noexcept {
 }
 
 double Creature::Fertility() const noexcept {
-       return AgeLerp(CurProps().fertility, NextProps().fertility) / 3600.0;
+       return AgeLerp(CurProps().fertility, NextProps().fertility) * (1.0 / 3600.0);
+}
+
+double Creature::Mutability() const noexcept {
+       return GetProperties().mutability * (1.0 / 3600.0);
 }
 
 void Creature::AddGoal(std::unique_ptr<Goal> &&g) {
@@ -164,17 +171,28 @@ void Creature::Tick(double dt) {
                Situation::Derivative d(Step(c, dt));
                Situation::Derivative f(
                        (1.0 / 6.0) * (a.vel + 2.0 * (b.vel + c.vel) + d.vel),
-                       (1.0 / 6.0) * (a.acc + 2.0 * (b.acc + c.acc) + d.acc),
-                       (1.0 / 6.0) * (a.turn + 2.0 * (b.turn + c.turn) + d.turn)
+                       (1.0 / 6.0) * (a.acc + 2.0 * (b.acc + c.acc) + d.acc)
                );
                state.pos += f.vel * dt;
                state.vel += f.acc * dt;
-               constexpr double turn_speed = 10.0;
-               // TODO: this is crap
-               state.dir = glm::normalize(state.dir + f.turn * turn_speed * dt);
+               if (length2(state.vel) > 0.000001) {
+                       glm::dvec3 nvel(normalize(state.vel));
+                       double ang = angle(nvel, state.dir);
+                       double turn_rate = PI * dt;
+                       if (ang < turn_rate) {
+                               state.dir = normalize(state.vel);
+                       } else if (std::abs(ang - PI) < 0.001) {
+                               state.dir = rotate(state.dir, turn_rate, world::Planet::SurfaceNormal(situation.Surface()));
+                       } else {
+                               state.dir = rotate(state.dir, turn_rate, normalize(cross(state.dir, nvel)));
+                       }
+               }
+
                situation.SetState(state);
        }
 
+       bg_task->Tick(dt);
+       bg_task->Action();
        memory.Tick(dt);
        for (auto &need : needs) {
                need->Tick(dt);
@@ -207,11 +225,9 @@ Situation::Derivative Creature::Step(const Situation::Derivative &ds, double dt)
        Situation::State s = situation.GetState();
        s.pos += ds.vel * dt;
        s.vel += ds.acc * dt;
-       s.dir = normalize(s.dir + ds.turn * dt);
        return {
                s.vel,
-               steering.Acceleration(s),
-               allzero(s.vel) ? glm::dvec3(0.0) : normalize(s.vel) - s.dir
+               steering.Acceleration(s)
        };
 }
 
@@ -219,9 +235,10 @@ glm::dmat4 Creature::LocalTransform() noexcept {
        // TODO: surface transform
        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::dmat4(world::Planet::SurfaceOrientation(situation.Surface()))
-               * glm::rotate(glm::orientedAngle(glm::dvec3(0.0, 0.0, -1.0), situation.Heading(), glm::dvec3(0.0, 1.0, 0.0)), glm::dvec3(0.0, 1.0, 0.0))
+               * glm::rotate(glm::orientedAngle(-srf[2], situation.Heading(), srf[1]), srf[1])
+               * glm::dmat4(srf)
                * glm::scale(glm::dvec3(half_size, half_size, half_size));
 }
 
@@ -316,6 +333,7 @@ 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]);
 
        // probe surrounding area for common resources
        int start = p.SideLength() / 2 - 2;
@@ -361,7 +379,7 @@ void Spawn(Creature &c, world::Planet &p) {
        genome.properties.Youth().highlight = { 0.9, 0.1 };
 
        genome.properties.Adult().age = { 120.0, 10.0 };
-       genome.properties.Adult().mass = { 1.2, 0.1 };
+       genome.properties.Adult().mass = { 1.3, 0.1 };
        genome.properties.Adult().fertility = { 0.4, 0.01 };
        genome.properties.Adult().highlight = { 0.7, 0.1 };
 
@@ -461,6 +479,7 @@ void Genome::Configure(Creature &c) const {
                        need->gain = intake * 0.5;
                }
                need->name = c.GetSimulation().Resources()[comp.resource].label;
+               need->growth = comp.growth.FakeNormal(random.SNorm());
                need->value = 0.4;
                need->inconvenient = 0.5;
                need->critical = 0.95;
@@ -484,6 +503,7 @@ void Genome::Configure(Creature &c) const {
        c.Density(mass / volume);
        c.GetSteering().MaxAcceleration(1.4 * std::atan(c.GetProperties().strength));
        c.GetSteering().MaxSpeed(4.4 * std::atan(c.GetProperties().dexerty));
+       c.SetBackgroundTask(std::unique_ptr<Goal>(new BlobBackgroundTask(c)));
        c.AddGoal(std::unique_ptr<Goal>(new IdleGoal(c)));
 }
 
@@ -627,6 +647,7 @@ void Situation::SetPlanetSurface(world::Planet &p, int srf, const glm::dvec3 &po
 Steering::Steering(const Creature &c)
 : c(c)
 , target(0.0)
+, haste(0.0)
 , max_accel(1.0)
 , max_speed(1.0)
 , min_dist(0.0)
@@ -671,7 +692,9 @@ void Steering::GoTo(const glm::dvec3 &t) noexcept {
 }
 
 glm::dvec3 Steering::Acceleration(const Situation::State &s) const noexcept {
-       glm::dvec3 acc(0.0);
+       double speed = max_speed * glm::clamp(max_speed * haste * haste, 0.25, 1.0);
+       double accel = max_speed * glm::clamp(max_accel * haste * haste, 0.5, 1.0);
+       glm::dvec3 result(0.0);
        if (separating) {
                // TODO: off surface situation
                glm::dvec3 repulse(0.0);
@@ -685,33 +708,33 @@ glm::dvec3 Steering::Acceleration(const Situation::State &s) const noexcept {
                                repulse += normalize(diff) * (1.0 - sep / min_dist);
                        }
                }
-               SumForce(acc, repulse);
+               SumForce(result, repulse, accel);
        }
        if (halting) {
-               SumForce(acc, s.vel * -max_accel);
+               SumForce(result, s.vel * -accel, accel);
        }
        if (seeking) {
                glm::dvec3 diff = target - s.pos;
                if (!allzero(diff)) {
-                       SumForce(acc, TargetVelocity(s, (normalize(diff) * max_speed)));
+                       SumForce(result, TargetVelocity(s, (normalize(diff) * speed), accel), accel);
                }
        }
        if (arriving) {
                glm::dvec3 diff = target - s.pos;
                double dist = length(diff);
                if (!allzero(diff) && dist > std::numeric_limits<double>::epsilon()) {
-                       SumForce(acc, TargetVelocity(s, diff * std::min(dist * max_accel, max_speed) / dist));
+                       SumForce(result, TargetVelocity(s, diff * std::min(dist * accel, speed) / dist, accel), accel);
                }
        }
-       return acc;
+       return result;
 }
 
-bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in) const noexcept {
+bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in, double max) const noexcept {
        if (allzero(in) || anynan(in)) {
                return false;
        }
        double cur = allzero(out) ? 0.0 : length(out);
-       double rem = max_accel - cur;
+       double rem = max - cur;
        if (rem < 0.0) {
                return true;
        }
@@ -727,8 +750,8 @@ bool Steering::SumForce(glm::dvec3 &out, const glm::dvec3 &in) const noexcept {
        }
 }
 
-glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel) const noexcept {
-       return (vel - s.vel) * max_accel;
+glm::dvec3 Steering::TargetVelocity(const Situation::State &s, const glm::dvec3 &vel, double acc) const noexcept {
+       return (vel - s.vel) * acc;
 }
 
 }