Add a savegame system using slots and a main menu, allow player to move RigidBody2Ds using apply_impulse(), increased physics tick, enabled FXAA, and more.

menu/menu.gd

@@ -0,0 +1,5 @@
+extends Node2D
+
+func _physics_process(_delta: float) -> void:
+	if NodeRegistry.player.position.y > 1000:
+		NodeRegistry.player.position = Vector2(0, 0)

menu/menu.tscn

@@ -0,0 +1,55 @@
+[gd_scene load_steps=4 format=3 uid="uid://bqmpoix37kutp"]
+
+[ext_resource type="PackedScene" uid="uid://cbynoofsjcl45" path="res://core/polygon.tscn" id="1_8p275"]
+[ext_resource type="Script" path="res://menu/menu.gd" id="1_g2w4y"]
+[ext_resource type="PackedScene" uid="uid://c40fli7qcma78" path="res://menu/slot/slot.tscn" id="3_rc4dm"]
+
+[node name="Menu" type="Node2D"]
+position = Vector2(0, -1)
+script = ExtResource("1_g2w4y")
+
+[node name="Label" type="Label" parent="."]
+offset_left = -192.0
+offset_top = -15.0
+offset_right = 192.0
+offset_bottom = 65.0
+theme_override_font_sizes/font_size = 52
+text = "Main Menu"
+horizontal_alignment = 1
+vertical_alignment = 2
+
+[node name="StaticBody2D" type="StaticBody2D" parent="."]
+
+[node name="Polygon" parent="StaticBody2D" instance=ExtResource("1_8p275")]
+polygon = PackedVector2Array(-256, 209, 320, 209, 320, 193, -272, 193, -272, 601, -304, 601, -304, 617, -256, 617)
+
+[node name="SaveGameSlots" type="Node2D" parent="."]
+position = Vector2(-448, 177)
+
+[node name="Saves" type="Label" parent="SaveGameSlots"]
+offset_left = -64.0
+offset_top = -176.0
+offset_right = 64.0
+offset_bottom = -112.0
+theme_override_font_sizes/font_size = 42
+text = "Saves"
+horizontal_alignment = 1
+vertical_alignment = 2
+
+[node name="Slot0" parent="SaveGameSlots" instance=ExtResource("3_rc4dm")]
+slot_label = "0"
+
+[node name="Slot1" parent="SaveGameSlots" instance=ExtResource("3_rc4dm")]
+position = Vector2(0, 128)
+slot_idx = 1
+slot_label = "1"
+
+[node name="Slot2" parent="SaveGameSlots" instance=ExtResource("3_rc4dm")]
+position = Vector2(0, 256)
+slot_idx = 2
+slot_label = "2"
+
+[node name="Slot3" parent="SaveGameSlots" instance=ExtResource("3_rc4dm")]
+position = Vector2(0, 384)
+slot_idx = 3
+slot_label = "3"

menu/slot/slot.gd

@@ -0,0 +1,21 @@
+extends Node2D
+
+@export var slot_idx: int
+@export var slot_label: String = ""
+
+
+func _ready() -> void:
+	$Label.text = str(slot_label)
+
+func _on_area_2d_load_body_entered(body: Node2D) -> void:
+	# load slot & start game
+	if body == NodeRegistry.player:
+		Gamestate.current_slot = slot_idx
+		Gamestate.load_slot()
+		Levels.load_entrypoint(Gamestate.last_entrypoint)
+
+func _on_area_2d_delete_body_entered(body: Node2D) -> void:
+	# reset slot on disk
+	if body == NodeRegistry.player:
+		Gamestate.reset_slot(slot_idx)
+		NodeRegistry.player.position = Levels.mainmenu_player_pos

menu/slot/slot.tscn

@@ -0,0 +1,35 @@
+[gd_scene load_steps=3 format=3 uid="uid://c40fli7qcma78"]
+
+[ext_resource type="PackedScene" uid="uid://cbynoofsjcl45" path="res://core/polygon.tscn" id="1_2cb7u"]
+[ext_resource type="Script" path="res://menu/slot/slot.gd" id="1_3dgi0"]
+
+[node name="Slot" type="Node2D"]
+script = ExtResource("1_3dgi0")
+
+[node name="StaticBody2D" type="StaticBody2D" parent="."]
+
+[node name="platform" parent="StaticBody2D" instance=ExtResource("1_2cb7u")]
+polygon = PackedVector2Array(44, 16, -44, 16, -44, 48, -64, 48, -64, 16, -80, 16, -80, 56, 80, 56, 80, 16, 64, 16, 64, 48, 44, 48)
+
+[node name="Area2D_Load" type="Area2D" parent="."]
+
+[node name="Polygon" parent="Area2D_Load" instance=ExtResource("1_2cb7u")]
+polygon = PackedVector2Array(44, 48, 64, 48, 64, 24, 44, 24)
+color = Color(0, 1, 0, 1)
+
+[node name="Area2D_Delete" type="Area2D" parent="."]
+
+[node name="Polygon" parent="Area2D_Delete" instance=ExtResource("1_2cb7u")]
+polygon = PackedVector2Array(-64, 48, -44, 48, -44, 24, -64, 24)
+color = Color(1, 0, 0, 1)
+
+[node name="Label" type="Label" parent="."]
+offset_left = -16.0
+offset_top = -32.0
+offset_right = 16.0
+text = "_"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[connection signal="body_entered" from="Area2D_Load" to="." method="_on_area_2d_load_body_entered"]
+[connection signal="body_entered" from="Area2D_Delete" to="." method="_on_area_2d_delete_body_entered"]