1 files changed, 69 insertions, 0 deletions
diff --git a/src/crepe/api/AI.h b/src/crepe/api/AI.h
new file mode 100644
index 0000000..35b8998
--- /dev/null
+++ b/src/crepe/api/AI.h
@@ -0,0 +1,69 @@
+#pragma once
+
+#include "Component.h"
+#include "types.h"
+
+namespace crepe {
+
+class AI : public Component {
+public:
+	enum BehaviorType {
+		NONE = 0x00000,
+		SEEK = 0x00002,
+		FLEE = 0x00004,
+		ARRIVE = 0x00008,
+		PATH_FOLLOW = 0x00010,
+	};
+
+public:
+	AI(game_object_id_t id, 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;
+	}
+
+	void add_path_node(vec2 node) { path.push_back(node); }
+
+public:
+	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 = 200.0f * 200.0f;
+	// The deceleration rate for the arrive behavior (higher values will make the entity decelerate faster (less overshoot))
+	float arrive_deceleration = 40.0f;
+	// The path to follow
+	std::vector<vec2> path;
+	// The distance from the path node at which the entity will move to the next node
+	float path_node_distance = 400.0f;
+	// Looping behavior for the path
+	bool path_loop = true;
+
+private:
+	// The flags for the behaviors
+	int flags = 0;
+	// The current path index
+	size_t path_index = 0;
+
+	// The AISystem is the only class that can access the private members of AI
+	friend class AISystem;
+};
+
+} // namespace crepe