Adds enemies

scripts/enemies/enemy_ai.gd

@@ -0,0 +1,49 @@
+extends BTPlayer
+
+class_name EnemyAI
+
+const ROAM_DISTANCE: float = 10.0
+const DISTANCE_TO_PLAYER: float = 10.0
+
+@export var character: CharacterBody3D
+
+@export_category("Sprite")
+@export var sprite:Sprite3D;
+@export var idleTexture: Texture2D;
+@export var aggressiveTexture: Texture2D;
+
+@export_category("Agents")
+@export var agent: NavigationAgent3D;
+
+@export var animationTree: AnimationTree;
+
+@export_category("Firing")
+@export var MuzzleFlash: PackedScene
+@export var Origin: Node3D
+
+var aggressive = false
+
+func _physics_process(_delta: float) -> void:
+	self.blackboard.set_var('PlayerDistance', character.global_position.distance_to(Player.Instance.global_position))
+	self.blackboard.set_var('LookingAngleToPlayer', (-character.global_basis.z).dot((character.global_position - Player.Instance.global_position).normalized()))
+
+func setAggressive(value: bool) -> void:
+	if not aggressive && value:
+		agent.target_position = character.global_position;
+
+	sprite.texture = aggressiveTexture if value else idleTexture
+	aggressive = value
+
+
+func roam() -> void:
+	var targetPosition = character.global_position + (Vector3(randf_range(-1, 1), randf_range(-1, 1), randf_range(-1,1)).normalized() * randf_range(0, ROAM_DISTANCE))
+	agent.target_position = targetPosition
+
+func moveToPlayer() -> void:
+	var toPlayerDirection = Player.Instance.global_position - character.global_position
+	agent.target_position = Player.Instance.global_position + toPlayerDirection.normalized() * -DISTANCE_TO_PLAYER
+
+func Fire() -> void:
+	self.animationTree['parameters/playback'].travel('Fire')
+	var instance = MuzzleFlash.instantiate(PackedScene.GEN_EDIT_STATE_INSTANCE)
+	Origin.add_child(instance)