try to reduce load times

buildings/building_behavior.gd

@@ -1,12 +1,19 @@
 extends Node
 
 @export var shatter_scenes: Array[PackedScene]
+@export var building_meshes: Array[PackedScene]
+@export var building_scales: PackedVector3Array
+
 var shatter_scene: PackedScene
 
 func _ready() -> void:
-	var idx := randi_range(0, %Shaker.get_child_count() - 1)
-	for child in %Shaker.get_children():
-		child.visible = child.get_index() == idx
+	var idx := randi_range(0, building_meshes.size() - 1)
+	# for child in %Shaker.get_children():
+	# 	child.visible = child.get_index() == idx
+
+	var building_mesh: Node3D = building_meshes[idx].instantiate()
+	building_mesh.scale = building_scales[idx]
+	%Shaker.add_child(building_mesh)
 	shatter_scene = shatter_scenes[idx]
 
 func _on_building_destroyed_from(global_pos: Vector3) -> void:

enemies/base_enemy.tscn

@@ -24,8 +24,7 @@ collision_mask = 2
 [node name="Siren" type="AudioStreamPlayer3D" parent="." unique_id=2085366724]
 unique_name_in_owner = true
 stream = ExtResource("2_bfj6p")
-attenuation_model = 2
-unit_size = 12.0
+unit_size = 15.0
 autoplay = true
 max_distance = 50.0
 bus = &"Police Siren"

loading_screen.gd

@@ -0,0 +1,14 @@
+extends Control
+
+const SCENE_PATH := "res://levels/level_0.tscn"
+
+func _ready() -> void:
+	assert(ResourceLoader.load_threaded_request(SCENE_PATH, "", true) == OK)
+	# await get_tree().process_frame
+	# ResourceLoader.load_threaded_get("res://levels/level_0.tscn")
+	# get_tree().change_scene_to_file("res://ui/title_screen/title_screen.tscn")
+
+func _process(_delta: float) -> void:
+	if ResourceLoader.load_threaded_get_status(SCENE_PATH) == ResourceLoader.THREAD_LOAD_LOADED:
+		print("changing scene")
+		get_tree().change_scene_to_file("res://ui/title_screen/title_screen.tscn")

loading_screen.gd.uid

@@ -0,0 +1 @@
+uid://c0a6hljyyj5ry

loading_screen.tscn

@@ -0,0 +1,38 @@
+[gd_scene format=3 uid="uid://ct4qxncertpx6"]
+
+[ext_resource type="Script" uid="uid://c0a6hljyyj5ry" path="res://loading_screen.gd" id="1_mggpi"]
+
+[sub_resource type="FontVariation" id="FontVariation_n71f6"]
+variation_transform = Transform2D(1.01, -0.32, 0.55, 1.045, 0, 1.83)
+spacing_glyph = 13
+
+[node name="LoadingScreen" type="Control" unique_id=1185076605]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_mggpi")
+
+[node name="ColorRect" type="ColorRect" parent="." unique_id=873491002]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 1)
+
+[node name="Label" type="Label" parent="." unique_id=1034363801]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_fonts/font = SubResource("FontVariation_n71f6")
+theme_override_font_sizes/font_size = 98
+text = "Loading"
+horizontal_alignment = 1
+vertical_alignment = 1

player/player.tscn

@@ -338,7 +338,7 @@ bus = &"SFX"
 [node name="EngineSFX" type="AudioStreamPlayer" parent="." unique_id=668897298]
 unique_name_in_owner = true
 stream = ExtResource("15_wodsf")
-volume_db = -6.0
+volume_db = -8.0
 bus = &"SFX"
 
 [editable path="Tank"]

project.godot

@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="Road Rage Tank"
-run/main_scene="uid://c04ppsrjrkxb6"
+run/main_scene="uid://ct4qxncertpx6"
 config/features=PackedStringArray("4.6")
 config/icon="res://icon.svg"