X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fai%2FAIController.hpp;h=15645a256dd66aa604b70b491214da8e24e1e3c3;hb=fa3c4a14546d73ddc2671cd5cc58208839bf7173;hp=53bdc827a5b3bc8df5b99b4c88553e6dfd5a5361;hpb=150d065f431d665326fd8028748c48a74ad956bb;p=blank.git

diff --git a/src/ai/AIController.hpp b/src/ai/AIController.hpp
index 53bdc82..15645a2 100644
--- a/src/ai/AIController.hpp
+++ b/src/ai/AIController.hpp
@@ -1,6 +1,8 @@
 #ifndef BLANK_AI_AICONTROLLER_HPP_
 #define BLANK_AI_AICONTROLLER_HPP_
 
+#include "../app/IntervalTimer.hpp"
+#include "../geometry/primitive.hpp"
 #include "../world/EntityController.hpp"
 
 #include <glm/glm.hpp>
@@ -8,34 +10,150 @@
 
 namespace blank {
 
+class AIState;
+class Entity;
 class GaloisLFSR;
+class Player;
+class World;
 
 class AIController
 : public EntityController {
 
 public:
-	explicit AIController(GaloisLFSR &);
+	AIController(World &, GaloisLFSR &);
 	~AIController();
 
-	void Update(Entity &, float dt) override;
+	void SetState(const AIState &);
 
-	glm::vec3 ControlForce(const EntityState &) const override;
+	void Update(Entity &, float dt) override;
 
-	static glm::vec3 Heading(const EntityState &) noexcept;
+	glm::vec3 ControlForce(const Entity &, const EntityState &) const override;
+
+	/// 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;
+
+	void EnterHalt() noexcept;
+	void ExitHalt() noexcept;
+	bool IsHalted() const noexcept;
+	void SetHaltSpeed(float) noexcept;
+	glm::vec3 GetHaltForce(const Entity &, const EntityState &) const noexcept;
+
+	void StartAvoidingObstacles() noexcept;
+	void StopAvoidingObstacles() noexcept;
+	bool IsAvoidingObstacles() const noexcept;
+	glm::vec3 GetObstacleAvoidanceForce(const Entity &, const EntityState &) const noexcept;
+
+	void StartFleeing() noexcept;
+	void StopFleeing() noexcept;
+	bool IsFleeing() const noexcept;
+	void SetFleeTarget(Entity &) noexcept;
+	void SetFleeSpeed(float) noexcept;
+	Entity &GetFleeTarget() noexcept;
+	const Entity &GetFleeTarget() const noexcept;
+	glm::vec3 GetFleeForce(const Entity &, const EntityState &) const noexcept;
+
+	void StartSeeking() noexcept;
+	void StopSeeking() noexcept;
+	bool IsSeeking() const noexcept;
+	void SetSeekTarget(Entity &) noexcept;
+	void SetSeekSpeed(float) noexcept;
+	Entity &GetSeekTarget() noexcept;
+	const Entity &GetSeekTarget() const noexcept;
+	glm::vec3 GetSeekForce(const Entity &, const EntityState &) const noexcept;
+
+	void StartEvading() noexcept;
+	void StopEvading() noexcept;
+	bool IsEvading() const noexcept;
+	void SetEvadeTarget(Entity &) noexcept;
+	void SetEvadeSpeed(float) noexcept;
+	Entity &GetEvadeTarget() noexcept;
+	const Entity &GetEvadeTarget() const noexcept;
+	glm::vec3 GetEvadeForce(const Entity &, const EntityState &) const noexcept;
+
+	void StartPursuing() noexcept;
+	void StopPursuing() noexcept;
+	bool IsPursuing() const noexcept;
+	void SetPursuitTarget(Entity &) noexcept;
+	void SetPursuitSpeed(float) noexcept;
+	Entity &GetPursuitTarget() noexcept;
+	const Entity &GetPursuitTarget() const noexcept;
+	glm::vec3 GetPursuitForce(const Entity &, const EntityState &) const noexcept;
+
+	/// start wandering randomly
+	void StartWandering() noexcept;
+	void StopWandering() noexcept;
+	bool IsWandering() const noexcept;
+	/// change how wandering is performed
+	/// the trajectory is modified by targetting a blip on a sphere
+	/// in front of the entity which moves randomly
+	/// the displacement is given (roughly) in units per second
+	void SetWanderParams(
+		float speed,
+		float distance = 2.0f,
+		float radius = 1.0f,
+		float displacement = 1.0f
+	) noexcept;
+	glm::vec3 GetWanderForce(const Entity &, const EntityState &) const noexcept;
 
 private:
+	World &world;
 	GaloisLFSR &random;
+	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;
+
+	bool halted;
+	float halt_speed;
+
+	bool avoid_obstacles;
+	AABB obstacle_box;
+	glm::mat4 obstacle_transform;
 
-	float chase_speed;
+	bool fleeing;
+	Entity *flee_target;
 	float flee_speed;
-	float stop_dist;
-	float flee_dist;
 
+	bool seeking;
+	Entity *seek_target;
+	float seek_speed;
+
+	bool evading;
+	Entity *evade_target;
+	float evade_speed;
+
+	bool pursuing;
+	Entity *pursuit_target;
+	float pursuit_speed;
+
+	bool wandering;
 	glm::vec3 wander_pos;
+	float wander_speed;
 	float wander_dist;
 	float wander_radius;
 	float wander_disp;
-	float wander_speed;
 
 };