X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fai%2FAIController.hpp;h=6d40ded362b083780c54aa2f38aa09523d464d5b;hb=d507e4b06e32aff46caacf961b310ba1050b232f;hp=53bdc827a5b3bc8df5b99b4c88553e6dfd5a5361;hpb=150d065f431d665326fd8028748c48a74ad956bb;p=blank.git

diff --git a/src/ai/AIController.hpp b/src/ai/AIController.hpp
index 53bdc82..6d40ded 100644
--- a/src/ai/AIController.hpp
+++ b/src/ai/AIController.hpp
@@ -1,41 +1,65 @@
 #ifndef BLANK_AI_AICONTROLLER_HPP_
 #define BLANK_AI_AICONTROLLER_HPP_
 
+#include "../app/IntervalTimer.hpp"
+#include "../geometry/primitive.hpp"
+#include "../graphics/glm.hpp"
 #include "../world/EntityController.hpp"
 
-#include <glm/glm.hpp>
-
 
 namespace blank {
 
-class GaloisLFSR;
+class AIState;
+class Entity;
+class Player;
+class World;
 
+// TODO: AI and entities are tightly coupled, maybe AIcontroller should
+//       be part of Entity. In that case, players could either be separated
+//       from other entities use function as a degenerate AI which blindly
+//       executes whatever its human tell it to.
 class AIController
 : public EntityController {
 
 public:
-	explicit AIController(GaloisLFSR &);
+	AIController(World &, Entity &);
 	~AIController();
 
-	void Update(Entity &, float dt) override;
+	void SetState(const AIState &, Entity &);
 
-	glm::vec3 ControlForce(const EntityState &) const override;
+	void Update(Entity &, float dt) override;
 
-	static glm::vec3 Heading(const EntityState &) noexcept;
+	/// get the closest player that given entity can see
+	/// returns nullptr if none are in sight
+	Player *ClosestVisiblePlayer(const Entity &) noexcept;
+	/// true if to entity is in visible range of from entity
+	bool LineOfSight(const Entity &from, const Entity &to) const noexcept;
+
+	/// true if the controller may do expensive calculations
+	bool MayThink() const noexcept;
+	void SetThinkInterval(float) noexcept;
+
+	/// schedule a decision in the next minimum ± variance seconds
+	void CueDecision(
+		float minimum,
+		float variance
+	) noexcept;
+	/// check if the scheduled decision is due already
+	bool DecisionDue() const noexcept;
+	/// random choice of 0 to num_choices - 1
+	unsigned int Decide(unsigned int num_choices) noexcept;
 
 private:
-	GaloisLFSR &random;
-
-	float chase_speed;
-	float flee_speed;
-	float stop_dist;
-	float flee_dist;
-
-	glm::vec3 wander_pos;
-	float wander_dist;
-	float wander_radius;
-	float wander_disp;
-	float wander_speed;
+	World &world;
+	const AIState *state;
+
+	/// how far controlled entities can see
+	float sight_dist;
+	/// cosine of the half angle of FOV of controlled entities
+	float sight_angle;
+
+	FineTimer think_timer;
+	FineTimer decision_timer;
 
 };