Added in editor warnings when weapons are missing components (Audioplayer, Shot spawn location, projectile PackedScene)

Added functionality for weapons to fire projectiles.

scenes/flyer.tscn

@@ -1,17 +1,32 @@
-[gd_scene load_steps=6 format=3 uid="uid://c0688rpnga7bt"]
+[gd_scene load_steps=12 format=3 uid="uid://c0688rpnga7bt"]
 
 [ext_resource type="Script" uid="uid://b5qkxnurvqbi2" path="res://scripts/flyer.gd" id="1_ben2c"]
 [ext_resource type="Texture2D" uid="uid://djduujf1cj53r" path="res://sprites/pilotnorkt.png" id="2_ddpln"]
 [ext_resource type="Script" uid="uid://cu7q3fqvjoyos" path="res://scripts/player_controller.gd" id="3_ddpln"]
 [ext_resource type="Script" uid="uid://cr8aonshxxpqf" path="res://scripts/weapon.gd" id="4_isfd2"]
+[ext_resource type="PackedScene" uid="uid://b2ly0rd4mua6i" path="res://scenes/shot.tscn" id="5_unik1"]
+[ext_resource type="AudioStream" uid="uid://bkguu5u88kjlk" path="res://audio/gun1.wav" id="6_0tbcv"]
+[ext_resource type="AudioStream" uid="uid://cbpofkydw3sa5" path="res://audio/gun2.wav" id="7_aueel"]
+[ext_resource type="AudioStream" uid="uid://clg0ybr0jlcwc" path="res://audio/gun3.wav" id="8_v0x65"]
+[ext_resource type="AudioStream" uid="uid://brc0i5e6x7v4h" path="res://audio/gun4.wav" id="9_h3pf6"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_isfd2"]
 size = Vector2(74.5, 29)
 
+[sub_resource type="AudioStreamRandomizer" id="AudioStreamRandomizer_3kq13"]
+random_pitch = 1.01
+random_volume_offset_db = 0.01
+streams_count = 4
+stream_0/stream = ExtResource("6_0tbcv")
+stream_1/stream = ExtResource("7_aueel")
+stream_2/stream = ExtResource("8_v0x65")
+stream_3/stream = ExtResource("9_h3pf6")
+
 [node name="Node2D" type="Node2D"]
 
-[node name="CharacterBody2D" type="CharacterBody2D" parent="."]
+[node name="CharacterBody2D" type="CharacterBody2D" parent="." node_paths=PackedStringArray("weapons")]
 script = ExtResource("1_ben2c")
+weapons = [NodePath("Weapon")]
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="CharacterBody2D"]
 position = Vector2(3.75, 1.5)
@@ -26,6 +41,17 @@ script = ExtResource("3_ddpln")
 controlled_flyer = NodePath("..")
 metadata/_custom_type_script = "uid://cu7q3fqvjoyos"
 
-[node name="Weapon" type="Node2D" parent="CharacterBody2D"]
+[node name="Weapon" type="Node2D" parent="CharacterBody2D" node_paths=PackedStringArray("shot_spawn", "audio")]
 script = ExtResource("4_isfd2")
+max_ammo = 100
+shot = ExtResource("5_unik1")
+shot_spawn = NodePath("ShotSpawn")
+audio = NodePath("AudioStreamPlayer2D")
 metadata/_custom_type_script = "uid://cr8aonshxxpqf"
+
+[node name="ShotSpawn" type="Node2D" parent="CharacterBody2D/Weapon"]
+position = Vector2(46, 10)
+
+[node name="AudioStreamPlayer2D" type="AudioStreamPlayer2D" parent="CharacterBody2D/Weapon"]
+stream = SubResource("AudioStreamRandomizer_3kq13")
+volume_db = -2.59

scenes/shot.tscn

@@ -0,0 +1,19 @@
+[gd_scene load_steps=4 format=3 uid="uid://b2ly0rd4mua6i"]
+
+[ext_resource type="Script" uid="uid://8y2wqva60nom" path="res://scripts/projectile.gd" id="1_cupcd"]
+[ext_resource type="Texture2D" uid="uid://dau0wpg7gfg3y" path="res://sprites/pew.png" id="2_r6d4o"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_ctx4p"]
+size = Vector2(12, 1)
+
+[node name="Projectile" type="Area2D"]
+input_pickable = false
+script = ExtResource("1_cupcd")
+metadata/_custom_type_script = "uid://8y2wqva60nom"
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(3, 0)
+shape = SubResource("RectangleShape2D_ctx4p")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("2_r6d4o")

scripts/flyer.gd

@@ -59,7 +59,8 @@ func _physics_process(delta: float) -> void:
 	rotation = tilt
 
 func shoot(index):
-	if weapons.size() > index:
+	#print_debug("trying to shoot weapon ", index, " out of ", )
+	if index < weapons.size():
 		weapons[index].shoot()
 
 func deal_damage(amount):

scripts/player_controller.gd

@@ -5,7 +5,7 @@ extends FlyerController
 func _physics_process(delta: float) -> void:
 	if not Engine.is_editor_hint():
 		controlled_flyer.directionInput = Vector2(Input.get_axis("plane_left","plane_right"), Input.get_axis("plane_up","plane_down"))
-	if InputMap.has_action("shoot_primary") and Input.is_action_just_pressed("shoot_primary"):
-		controlled_flyer.shoot(1)
-	if InputMap.has_action("shoot_secondary") and Input.is_action_just_pressed("shoot_secondary"):
-		controlled_flyer.shoot(2)
+		if InputMap.has_action("shoot_primary") and Input.is_action_pressed("shoot_primary"):
+			controlled_flyer.shoot(0)
+		if InputMap.has_action("shoot_secondary") and Input.is_action_pressed("shoot_secondary"):
+			controlled_flyer.shoot(1)

scripts/projectile.gd

@@ -1,5 +1,5 @@
 class_name Projectile
-extends CharacterBody2D
+extends Area2D
 
 # constants
 @export var speed = 10
@@ -8,11 +8,13 @@ extends CharacterBody2D
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	pass # Replace with function body.
+	body_entered.connect(_on_projectile_body_entered)
 
 
 func _physics_process(delta: float) -> void:
-	var target = move_and_collide(velocity * delta).get_collider()
+	position += transform.x * speed * delta
+
+func _on_projectile_body_entered(target):
 	if target is Flyer && friendly != target.friendly:
 		target.deal_damage(damage)
 		queue_free()

scripts/weapon.gd

@@ -1,13 +1,17 @@
+@tool
 class_name Weapon
 extends Node2D
 
 # constants
 @export var max_ammo = 1
 ## Number of seconds until the weapon can be used again.
-@export var cooldown = 1
-@export var shot: Projectile
+@export var cooldown = 0.1
+@export var shot: PackedScene:
+	set(new_shot):
+		shot = new_shot
+		update_configuration_warnings()
 @export var shot_spawn: Node2D
-@export var audio: AudioStreamRandomizer
+@export var audio: AudioStreamPlayer2D
 
 # gameplay variables
 var ammo
@@ -15,20 +19,52 @@ var timer = 0.0
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	ammo = max_ammo
+	if !Engine.is_editor_hint():
+		ammo = max_ammo
+	else:
+		child_entered_tree.connect(_on_child_entered_tree)
+		child_exiting_tree.connect(_on_child_exited_tree)
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
-	timer += delta
+	if !Engine.is_editor_hint():
+		timer += delta
+
+func _get_configuration_warnings():
+	var warnings = []
+
+	if shot == null:
+		warnings.append("Please select a projectile scene for the shot variable.")
+	if shot_spawn == null:
+		warnings.append("Please add a Node2D as the muzzle/projectile spawning location for the shot_spawn variable.")
+	if audio == null:
+		warnings.append("Please add an AudioStreamPlayer2D which plays the weapon's audio.")
+	return warnings
+
+func _on_child_entered_tree(node):
+	print_debug("saw a child entering tree: ", node)
+	if node.get_class() == "Node2D":
+		shot_spawn = node
+	if node is AudioStreamPlayer2D:
+		audio = node
+	update_configuration_warnings()
+	
+func _on_child_exited_tree(node):
+	if node == shot_spawn:
+		shot_spawn = null
+	if node == audio:
+		audio = null
+	update_configuration_warnings()
 
 # Creates and returns an instance of the weapon's projectile.
 func shoot() -> Projectile:
+	print_debug("trying to shoot, timer at ", timer, " out of ", cooldown, " ammo at ", ammo, " out of ", max_ammo)
 	if timer > cooldown && ammo > 0:
 		timer = 0
 		var new_shot = shot.instantiate()
 		owner.add_child(new_shot)
-		new_shot.transform = shot_spawn.transform
+		new_shot.transform = shot_spawn.global_transform
 		ammo -= 1
 		audio.play()
 		return new_shot

sprites/pew.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dau0wpg7gfg3y"
+path="res://.godot/imported/pew.png-b17b5bf95971c16a115c32e8feb0966b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://sprites/pew.png"
+dest_files=["res://.godot/imported/pew.png-b17b5bf95971c16a115c32e8feb0966b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1