Setup some behaviors

2 files changed, 44 insertions, 5 deletions

diff --git a/src/crepe/api/AI.cpp b/src/crepe/api/AI.cpp
index 6b63216..7f820a8 100644
--- a/src/crepe/api/AI.cpp
+++ b/src/crepe/api/AI.cpp
@@ -2,7 +2,7 @@
 
 namespace crepe {
 
-AI::AI(game_object_id_t id, double mass, double max_speed, double max_force)
+AI::AI(game_object_id_t id, float mass, float max_speed, float max_force)
 	: Component(id),
 	  mass(mass),
 	  max_speed(max_speed),
diff --git a/src/crepe/api/AI.h b/src/crepe/api/AI.h
index b755439..faeeba5 100644
--- a/src/crepe/api/AI.h
+++ b/src/crepe/api/AI.h
@@ -7,12 +7,51 @@ namespace crepe {
 
 class AI : public Component {
 public:
-	AI(game_object_id_t id, double mass, double max_speed, double max_force);
+	enum BehaviorType {
+		NONE = 0x00000,
+		SEEK = 0x00002,
+		FLEE = 0x00004,
+		ARRIVE = 0x00008,
+		PATH_FOLLOW = 0x00010,
+	};
 
 public:
-	double mass;
-	double max_speed;
-	double max_force;
+	AI(game_object_id_t id, float mass, float max_speed, float max_force);
+
+	bool on(BehaviorType behavior) const { return (flags & behavior) == behavior; }
+	void seek_on() { flags |= SEEK; }
+	void seek_off() {
+		if (on(SEEK)) flags ^= SEEK;
+	}
+	void flee_on() { flags |= FLEE; }
+	void flee_off() {
+		if (on(FLEE)) flags ^= FLEE;
+	}
+	void arrive_on() { flags |= ARRIVE; }
+	void arrive_off() {
+		if (on(ARRIVE)) flags ^= ARRIVE;
+	}
+	void path_follow_on() { flags |= PATH_FOLLOW; }
+	void path_follow_off() {
+		if (on(PATH_FOLLOW)) flags ^= PATH_FOLLOW;
+	}
+
+public:
+	float mass;
+	float max_speed;
+	float max_force;
+
+	// The target to seek or arrive at
+	vec2 seek_target;
+	// The target to flee from
+	vec2 flee_target;
+	// The distance at which the entity will start to flee from the target
+	float square_flee_panic_distance = 100.0f * 100.0f;
+	// The deceleration rate for the arrive behavior (higher values will make the entity decelerate faster (less overshoot))
+	float arrive_deceleration = 2.0f;
+
+private:
+	int flags = 0;
 };
 
 } // namespace crepe