experiments with ai states and steering

[blank.git] / src / ai / AIController.hpp

diff --git a/src/ai/AIController.hpp b/src/ai/AIController.hpp
index 0eca2b78335b3bbf9094bd3cd03024de8cc7ff65..c1241969bdef702ada0225d0952184cd4a5fa986 100644 (file)
--- a/src/ai/AIController.hpp
+++ b/src/ai/AIController.hpp
@@ -1,6 +1,7 @@
 #ifndef BLANK_AI_AICONTROLLER_HPP_
 #define BLANK_AI_AICONTROLLER_HPP_
 
+#include "../app/IntervalTimer.hpp"
 #include "../world/EntityController.hpp"
 
 #include <glm/glm.hpp>
@@ -22,10 +23,24 @@ public:
 
        void Update(Entity &, float dt) override;
 
-       glm::vec3 ControlForce(const EntityState &) const override;
+       glm::vec3 ControlForce(const Entity &, const EntityState &) const override;
 
        static glm::vec3 Heading(const EntityState &) 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(float speed) noexcept;
+       void ExitHalt() noexcept;
+       bool IsHalted() const noexcept;
+
        void StartFleeing(const Entity &, float speed) noexcept;
        void StopFleeing() noexcept;
        bool IsFleeing() const noexcept;
@@ -36,13 +51,28 @@ public:
        bool IsSeeking() const noexcept;
        const Entity &GetSeekTarget() const noexcept;
 
-       void StartWandering() noexcept;
+       /// start wandering randomly at given speed
+       /// 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 StartWandering(
+               float speed,
+               float distance = 2.0f,
+               float radius = 1.0f,
+               float displacement = 1.0f
+       ) noexcept;
        void StopWandering() noexcept;
+       bool IsWandering() const noexcept;
 
 private:
        GaloisLFSR &random;
        const AIState *state;
 
+       FineTimer decision_timer;
+
+       bool halted;
+       float halt_speed;
+
        const Entity *flee_target;
        float flee_speed;
 
@@ -51,10 +81,10 @@ private:
 
        bool wandering;
        glm::vec3 wander_pos;
+       float wander_speed;
        float wander_dist;
        float wander_radius;
        float wander_disp;
-       float wander_speed;
 
 };