From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Mon, 18 Dec 2017 14:18:53 +0000 (+0100)
Subject: "look around" activity
X-Git-Url: http://git.localhorst.tv/?p=blobs.git;a=commitdiff_plain;h=a4d4cc133ff1a8b9ab209b436ee94579930eb948

"look around" activity

utterly useless, for now
---

diff --git a/src/creature/LookAroundGoal.hpp b/src/creature/LookAroundGoal.hpp
new file mode 100644
index 0000000..30b248f
--- /dev/null
+++ b/src/creature/LookAroundGoal.hpp
@@ -0,0 +1,34 @@
+#ifndef BLOBS_CREATURE_LOOKAROUNDGOAL_HPP_
+#define BLOBS_CREATURE_LOOKAROUNDGOAL_HPP_
+
+#include "Goal.hpp"
+
+
+namespace blobs {
+namespace creature {
+
+class LookAroundGoal
+: public Goal {
+
+public:
+	explicit LookAroundGoal(Creature &);
+	~LookAroundGoal() override;
+
+public:
+	std::string Describe() const override;
+	void Enable() override;
+	void Tick(double dt) override;
+	void Action() override;
+	void OnBackground() override;
+
+	void PickDirection() noexcept;
+
+private:
+	double timer;
+
+};
+
+}
+}
+
+#endif
diff --git a/src/creature/creature.cpp b/src/creature/creature.cpp
index e118451..ff3a81c 100644
--- a/src/creature/creature.cpp
+++ b/src/creature/creature.cpp
@@ -21,6 +21,7 @@
 
 #include <algorithm>
 #include <sstream>
+#include <glm/gtx/rotate_vector.hpp>
 #include <glm/gtx/transform.hpp>
 #include <glm/gtx/vector_angle.hpp>
 
diff --git a/src/creature/goal.cpp b/src/creature/goal.cpp
index c7a7b66..74ed17f 100644
--- a/src/creature/goal.cpp
+++ b/src/creature/goal.cpp
@@ -4,10 +4,12 @@
 #include "IdleGoal.hpp"
 #include "IngestGoal.hpp"
 #include "LocateResourceGoal.hpp"
+#include "LookAroundGoal.hpp"
 #include "StrollGoal.hpp"
 
 #include "Creature.hpp"
 #include "../app/Assets.hpp"
+#include "../math/const.hpp"
 #include "../ui/string.hpp"
 #include "../world/Planet.hpp"
 #include "../world/Resource.hpp"
@@ -18,6 +20,7 @@
 #include <iostream>
 #include <sstream>
 #include <glm/gtx/io.hpp>
+#include <glm/gtx/rotate_vector.hpp>
 
 
 namespace blobs {
@@ -285,14 +288,19 @@ void IdleGoal::Action() {
 		GetSteering().ResumeSeparate();
 	}
 
-	// use boredom as chance per 30s
-	if (Random().UNorm() < GetStats().Boredom().value * (1.0 / 1800.0)) {
+	// use boredom as chance per 15s
+	if (Random().UNorm() < GetStats().Boredom().value * (1.0 / 900.0)) {
 		PickActivity();
 	}
 }
 
 void IdleGoal::PickActivity() {
-	GetCreature().AddGoal(std::unique_ptr<Goal>(new StrollGoal(GetCreature())));
+	int n = Random().UInt(2);
+	if (n == 0) {
+		GetCreature().AddGoal(std::unique_ptr<Goal>(new StrollGoal(GetCreature())));
+	} else {
+		GetCreature().AddGoal(std::unique_ptr<Goal>(new LookAroundGoal(GetCreature())));
+	}
 }
 
 
@@ -593,6 +601,44 @@ bool LocateResourceGoal::OnTarget() const noexcept {
 }
 
 
+LookAroundGoal::LookAroundGoal(Creature &c)
+: Goal(c)
+, timer(0.0) {
+}
+
+LookAroundGoal::~LookAroundGoal() {
+}
+
+std::string LookAroundGoal::Describe() const {
+	return "look around";
+}
+
+void LookAroundGoal::Enable() {
+	GetSteering().Halt();
+}
+
+void LookAroundGoal::Tick(double dt) {
+	timer -= dt;
+}
+
+void LookAroundGoal::Action() {
+	if (timer < 0.0) {
+		PickDirection();
+		timer = 1.0 + (Random().UNorm() * 4.0);
+	}
+}
+
+void LookAroundGoal::OnBackground() {
+	SetComplete();
+}
+
+void LookAroundGoal::PickDirection() noexcept {
+	double r = Random().SNorm();
+	r *= std::abs(r) * 0.5 * PI;
+	GetCreature().HeadingTarget(glm::rotate(GetSituation().Heading(), r, GetSituation().SurfaceNormal()));
+}
+
+
 StrollGoal::StrollGoal(Creature &c)
 : Goal(c)
 , last(GetSituation().Position())