scene manager system

autoloads/scene_manager.gd

@@ -0,0 +1,30 @@
+extends Node
+
+
+@export var scene_parent: Node
+
+
+var current_scene: Node
+
+
+func _ready() -> void:
+	var tree = get_tree()
+	# capture main scene
+	if tree.current_scene != self:
+		change_scene(tree.current_scene)
+		tree.current_scene = self
+
+
+func change_scene(new_scene: Node) -> void:
+	# avoid infinite recursion :P
+	if current_scene == new_scene:
+		return
+	# remove current scene
+	if current_scene:
+		scene_parent.remove_child(current_scene)
+		current_scene.queue_free()
+	# add new scene
+	if new_scene.is_inside_tree():
+		new_scene.get_parent().remove_child.call_deferred(new_scene)
+	scene_parent.add_child.call_deferred(new_scene)
+	current_scene = new_scene

autoloads/scene_manager.tscn

@@ -0,0 +1,37 @@
+[gd_scene load_steps=2 format=3 uid="uid://dxrvocxjk8vs3"]
+
+[ext_resource type="Script" path="res://autoloads/scene_manager.gd" id="1_d112a"]
+
+[node name="SceneManager" type="Node" node_paths=PackedStringArray("scene_parent")]
+script = ExtResource("1_d112a")
+scene_parent = NodePath("HBoxContainer/MainView/SubViewportContainer/SubViewport")
+
+[node name="HBoxContainer" type="HBoxContainer" parent="."]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="SideBar" type="Control" parent="HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="MainView" type="Control" parent="HBoxContainer"]
+custom_minimum_size = Vector2(288, 216)
+layout_mode = 2
+size_flags_horizontal = 10
+
+[node name="SubViewportContainer" type="SubViewportContainer" parent="HBoxContainer/MainView"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="SubViewport" type="SubViewport" parent="HBoxContainer/MainView/SubViewportContainer"]
+handle_input_locally = false
+audio_listener_enable_3d = true
+size = Vector2i(288, 216)
+render_target_update_mode = 4

objects/canny_cat.tscn

@@ -213,9 +213,9 @@ delay_in_seconds = "0.0"
 [connection signal="charge_canceled" from="." to="Sounds/ChargeCancel" method="play"]
 [connection signal="shot" from="." to="Sounds/Shoot" method="play"]
 [connection signal="state_physics_processing" from="StateChart/Root/Idle" to="." method="_apply_gravity"]
-[connection signal="state_physics_processing" from="StateChart/Root/Moving" to="." method="_apply_gravity"]
 [connection signal="state_physics_processing" from="StateChart/Root/Moving" to="." method="_bounce_on_walls"]
 [connection signal="state_physics_processing" from="StateChart/Root/Moving" to="." method="_slow_to_stop"]
+[connection signal="state_physics_processing" from="StateChart/Root/Moving" to="." method="_apply_gravity"]
 [connection signal="state_entered" from="StateChart/Root/Charging" to="." method="_start_charge"]
 [connection signal="state_entered" from="StateChart/Root/Charging" to="Sounds/ChargeStart" method="play"]
 [connection signal="state_exited" from="StateChart/Root/Charging" to="." method="_end_charge"]

project.godot

@@ -15,10 +15,14 @@ run/main_scene="res://test_scene.tscn"
 config/features=PackedStringArray("4.3", "GL Compatibility")
 config/icon="res://icon.svg"
 
+[autoload]
+
+SceneManager="*res://autoloads/scene_manager.tscn"
+
 [display]
 
-window/size/viewport_width=320
+window/size/viewport_width=384
-window/size/viewport_height=240
+window/size/viewport_height=216
 window/stretch/mode="viewport"
 
 [editor_plugins]