Make it possible to dynamically set weapon parans

scenes/weapon/bullet.gd

@@ -1,7 +1,7 @@
 extends Node3D
 
-const SPEED = 200 # 200
-
+@export var speed: int = 0 
+@export var damage: int = 0
 @onready var mesh = $RigidBody3D/MeshInstance3D
 @onready var rigid_body_3d: RigidBody3D = $RigidBody3D
 @onready var ray = $RigidBody3D/RayCast3D
@@ -15,9 +15,9 @@ func _ready() -> void:
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
 	var time_per_frame: float = 1 / Engine.get_frames_per_second()
-	var distance: float = time_per_frame * SPEED * 1.5
+	var distance: float = time_per_frame * speed * 1.5
 	ray.target_position.z = distance
-	position += transform.basis * Vector3(0, 0, SPEED) * delta
+	position += transform.basis * Vector3(0, 0, speed) * delta
 	rigid_body_3d.set_use_continuous_collision_detection(true)
 	#ray.collision_mask = 1
 	#ray.enabled = 1
@@ -26,7 +26,7 @@ func _process(delta):
 		if collider != null and collider.is_in_group("target"):
 			ray.get_collider().take_damage()
 		if collider != null and collider.is_in_group("body"):
-			ray.get_collider().hit()
+			ray.get_collider().hit(damage)
 		rigid_body_3d.visible = false
 		particles.emitting = true
 		#if ray.get_collider().is_in_group("body"):

scenes/weapon/generic_weapon_controller.gd

@@ -0,0 +1,41 @@
+extends Node3D
+
+# ---------------------------------------------------------------------
+# Main weapon params
+# ---------------------------------------------------------------------
+@export var damage: int = 0
+# cooldown interval in seconds
+@export var cooldown: float = 0
+# bullet speed in m/s
+@export var bullet_speed: int = 0
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+@onready var bullet_trace_distance: Node3D = $BulletTraceDistance
+@onready var bullet_trail_end: Node3D = $BulletTrailEnd
+
+func shoot() -> Error:
+	var bullet_start_node: Node3D = bullet_trace_distance.find_child("Start")
+	var bullet_end_node: Node3D = bullet_trace_distance.find_child("End")
+	if bullet_start_node and bullet_end_node:
+		var path := "res://scenes/weapon/misc/bullet_trail_generic.tscn"
+		if not ResourceLoader.exists(path):
+			return ERR_DOES_NOT_EXIST
+		var scene: PackedScene = ResourceLoader.load(path)
+		if not scene.can_instantiate():
+			return ERR_CANT_OPEN
+		
+		var node: MeshInstance3D = scene.instantiate()
+		node.init(bullet_start_node.position, bullet_end_node.position)
+		#var root := get_tree().get_root()
+		bullet_start_node.add_child(node)
+		return OK
+	else:
+		push_warning("Couldn't generate a bullet trace, no distance node found")
+		return ERR_BUG
+	# -- TODO: It should not be hardcoded
+	
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass

scenes/weapon/guns/ak/bullet.gd

@@ -1,18 +0,0 @@
-extends Node3D
-
-const SPEED = 10
-
-@onready var mesh = $Object_10
-
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	pass # Replace with function body.
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta):
-	position += transform.basis * Vector3(0, 0, SPEED) * delta
-
-
-func _on_timer_timeout():
-	queue_free()

scenes/weapon/guns/ak/bullet.tscn

@@ -1,6 +1,4 @@
-[gd_scene load_steps=5 format=4 uid="uid://dn6imke7vnimn"]
-
-[ext_resource type="Script" path="res://scenes/weapon/guns/ak/bullet.gd" id="1_rbbkb"]
+[gd_scene load_steps=4 format=4 uid="uid://dn6imke7vnimn"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ledbj"]
 resource_name = "stell"
@@ -45,7 +43,6 @@ shadow_mesh = SubResource("ArrayMesh_mgmay")
 
 [node name="Bullet" type="Node3D"]
 transform = Transform3D(10, 0, 0, 0, 10, 0, 0, 0, 10, 0, 0, 0)
-script = ExtResource("1_rbbkb")
 
 [node name="Object_10" type="MeshInstance3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0)

scenes/weapon/guns/ak/mesh_instance_3d.gd

@@ -1,10 +0,0 @@
-extends MeshInstance3D
-
-var trail_length = 2.0
-var speed = 10.0
-
-func _process(delta):
-	global_transform.origin += transform.basis.z * speed * delta
-	scale.x = max(scale.x - delta, 100)
-	scale.y = max(scale.y - delta, 100)
-	scale.z = max(scale.z - delta, 100)

scenes/weapon/guns/ak/with_hands.tscn

@@ -1,7 +1,7 @@
 [gd_scene load_steps=55 format=4 uid="uid://dtvo21mk1webd"]
 
-[ext_resource type="Script" path="res://scenes/weapon/guns/ak/with_hands.gd" id="1_2iqts"]
 [ext_resource type="PackedScene" uid="uid://dab7jttp7ywfh" path="res://scenes/weapon/guns/ak/gun.tscn" id="1_aaafm"]
+[ext_resource type="Script" path="res://scenes/weapon/generic_weapon_controller.gd" id="1_h1xyo"]
 [ext_resource type="PackedScene" uid="uid://bjyltbtx45cqs" path="res://scenes/weapon/misc/bullet_trace_distance.tscn" id="3_5ff4y"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_tg27p"]
@@ -553,7 +553,10 @@ blend_shape_mode = 0
 shadow_mesh = SubResource("ArrayMesh_he3sr")
 
 [node name="WithHands" type="Node3D"]
-script = ExtResource("1_2iqts")
+script = ExtResource("1_h1xyo")
+damage = 50
+cooldown = 0.2
+bullet_speed = 200
 
 [node name="Gun" parent="." instance=ExtResource("1_aaafm")]