many small changes, and few big ones

main/menu/menu.gd

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

main/menu/menu.tscn

@@ -0,0 +1,63 @@
+[gd_scene load_steps=4 format=3 uid="uid://bqmpoix37kutp"]
+
+[ext_resource type="Script" path="res://main/menu/menu.gd" id="1_g2w4y"]
+[ext_resource type="Script" path="res://core/polygon/polygon.gd" id="2_tdbfk"]
+[ext_resource type="PackedScene" uid="uid://c40fli7qcma78" path="res://main/menu/slot/slot.tscn" id="3_rc4dm"]
+
+[node name="Menu" type="Node2D"]
+position = Vector2(0, -1)
+script = ExtResource("1_g2w4y")
+
+[node name="StaticBody2D" type="StaticBody2D" parent="."]
+
+[node name="P" type="CollisionPolygon2D" parent="StaticBody2D"]
+polygon = PackedVector2Array(768, 1345, 768, 193, -272, 193, -272, 601, -304, 601, -304, 1345)
+script = ExtResource("2_tdbfk")
+
+[node name="P2" type="CollisionPolygon2D" parent="StaticBody2D"]
+polygon = PackedVector2Array(-152, 41, 152, 41, 152, 57, -152, 57)
+script = ExtResource("2_tdbfk")
+
+[node name="SaveGameSlots" type="Node2D" parent="."]
+position = Vector2(-448, 177)
+
+[node name="Saves" type="Label" parent="SaveGameSlots" groups=["text_viewport"]]
+offset_left = -192.0
+offset_top = -176.0
+offset_right = 80.0
+offset_bottom = -112.0
+theme_override_font_sizes/font_size = 32
+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"
+
+[node name="Label" type="Label" parent="." groups=["text_viewport"]]
+offset_left = -192.0
+offset_top = -15.0
+offset_right = 192.0
+offset_bottom = 65.0
+theme_override_font_sizes/font_size = 52
+text = "rectangular"
+horizontal_alignment = 1
+vertical_alignment = 2
+
+[node name="Marker2D" type="Marker2D" parent="."]
+position = Vector2(0, 129)

main/menu/slot/slot.gd

@@ -0,0 +1,31 @@
+extends Node2D
+
+const COLOR_NORMAL = Color.DARK_SLATE_GRAY
+const COLOR_USED = Color.WHITE
+
+@export var slot_idx: int
+@export var slot_label: String = ""
+
+func update_color():
+	if Gamestate.is_slot_used(slot_idx):
+		$Platform/P.color = COLOR_USED
+	else:
+		$Platform/P.color = COLOR_NORMAL
+
+func _ready() -> void:
+	$Label.text = str(slot_label)
+	update_color()
+
+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()
+		LevelsCore.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)
+		update_color()
+		NodeRegistry.player.position = self.global_position - Vector2(0, 32)

main/menu/slot/slot.tscn

@@ -0,0 +1,40 @@
+[gd_scene load_steps=3 format=3 uid="uid://c40fli7qcma78"]
+
+[ext_resource type="Script" path="res://main/menu/slot/slot.gd" id="1_3dgi0"]
+[ext_resource type="Script" path="res://core/polygon/polygon.gd" id="3_3d6ht"]
+
+[node name="Slot" type="Node2D"]
+script = ExtResource("1_3dgi0")
+
+[node name="Platform" type="StaticBody2D" parent="."]
+
+[node name="P" type="CollisionPolygon2D" parent="Platform"]
+polygon = PackedVector2Array(40, 16, -152, 16, -152, 48, -176, 48, -176, 16, -192, 16, -192, 56, 80, 56, 80, 16, 64, 16, 64, 48, 40, 48)
+script = ExtResource("3_3d6ht")
+
+[node name="Area2D_Load" type="Area2D" parent="."]
+collision_layer = 255
+collision_mask = 255
+
+[node name="P" type="CollisionPolygon2D" parent="Area2D_Load"]
+polygon = PackedVector2Array(40, 48, 64, 48, 64, 24, 40, 24)
+script = ExtResource("3_3d6ht")
+color = Color(0.301961, 1, 0, 1)
+
+[node name="Area2D_Delete" type="Area2D" parent="."]
+
+[node name="P" type="CollisionPolygon2D" parent="Area2D_Delete"]
+polygon = PackedVector2Array(-176, 48, -152, 48, -152, 24, -176, 24)
+script = ExtResource("3_3d6ht")
+color = Color(1, 0, 0, 1)
+
+[node name="Label" type="Label" parent="." groups=["text_viewport"]]
+offset_left = -192.0
+offset_top = -32.0
+offset_right = 80.0
+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"]