From b03c2f42ba325ab909b159a4bc8e7568defdc4c5 Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Thu, 30 Nov 2017 12:30:45 +0100
Subject: [PATCH] some tweaks

---
 src/creature/Steering.hpp |  9 +++++++--
 src/creature/creature.cpp | 26 +++++++++++++++-----------
 src/creature/goal.cpp     | 19 ++++++++++++-------
 3 files changed, 34 insertions(+), 20 deletions(-)

diff --git a/src/creature/Steering.hpp b/src/creature/Steering.hpp
index 470031d..d8f2ceb 100644
--- a/src/creature/Steering.hpp
+++ b/src/creature/Steering.hpp
@@ -17,6 +17,10 @@ public:
 	~Steering();
 
 public:
+	/// factor in [0,1] of how fast you need to get there
+	void Haste(double h) noexcept { haste = h; }
+	double Haste() const noexcept { return haste; }
+
 	void MaxAcceleration(double a) noexcept { max_accel = a; }
 	double MaxAcceleration() const noexcept { return max_accel; }
 
@@ -33,13 +37,14 @@ public:
 	glm::dvec3 Acceleration(const Situation::State &) const noexcept;
 
 private:
-	bool SumForce(glm::dvec3 &out, const glm::dvec3 &in) const noexcept;
-	glm::dvec3 TargetVelocity(const Situation::State &, const glm::dvec3 &) const noexcept;
+	bool SumForce(glm::dvec3 &out, const glm::dvec3 &in, double max) const noexcept;
+	glm::dvec3 TargetVelocity(const Situation::State &, const glm::dvec3 &, double acc) const noexcept;
 
 private:
 	const Creature &c;
 	glm::dvec3 target;
 
+	double haste;
 	double max_accel;
 	double max_speed;
 	double min_dist;
diff --git a/src/creature/creature.cpp b/src/creature/creature.cpp
index e736d52..57c1f53 100644
--- a/src/creature/creature.cpp
+++ b/src/creature/creature.cpp
@@ -361,7 +361,7 @@ 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 +461,7 @@ 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;
@@ -627,6 +628,7 @@ 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 +673,9 @@ 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 +689,33 @@ 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 +731,8 @@ 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;
 }
 
 }
diff --git a/src/creature/goal.cpp b/src/creature/goal.cpp
index 95a3426..daf8f90 100644
--- a/src/creature/goal.cpp
+++ b/src/creature/goal.cpp
@@ -88,12 +88,15 @@ void IdleGoal::Tick(double dt) {
 }
 
 void IdleGoal::Action() {
-	double fert = GetCreature().Fertility();
-	double rand = Assets().random.UNorm();
-	if (fert > rand) {
-		std::cout << "[" << int(GetCreature().GetSimulation().Time())
-			<< "s] " << GetCreature().Name() << " split" << std::endl;
-		Split(GetCreature());
+	// check if eligible to split
+	if (GetCreature().Mass() > GetCreature().GetProperties().Birth().mass * 1.8) {
+		double fert = GetCreature().Fertility();
+		double rand = Assets().random.UNorm();
+		if (fert > rand) {
+			std::cout << "[" << int(GetCreature().GetSimulation().Time())
+				<< "s] " << GetCreature().Name() << " split" << std::endl;
+			Split(GetCreature());
+		}
 	}
 }
 
@@ -147,6 +150,7 @@ void LocateResourceGoal::Action() {
 	} else {
 		GetSteering().GoTo(target_pos);
 	}
+	GetSteering().Haste(Urgency());
 }
 
 void LocateResourceGoal::LocateResource() {
@@ -190,7 +194,7 @@ void LocateResourceGoal::SearchVicinity() {
 			if (yield != type.resources.cend()) {
 				// TODO: subtract minimum yield
 				rating[y - begin.y][x - begin.x] = yield->ubiquity;
-				double dist = 1.0 - 0.25 * glm::length2(planet.TileCenter(srf, x, y) - pos);
+				double dist = std::max(0.125, 0.25 * glm::length(planet.TileCenter(srf, x, y) - pos));
 				rating[y - begin.y][x - begin.x] /= dist;
 			}
 		}
@@ -233,6 +237,7 @@ void LocateResourceGoal::SearchVicinity() {
 		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);
 	}
 }
-- 
2.39.5