Add Save & Load Game Data

assets/icons/locked.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dcd26ajdxnv5s"
+path="res://.godot/imported/locked.png-0e485415f5c3174bad8abf5ae073d9e6.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/icons/locked.png"
+dest_files=["res://.godot/imported/locked.png-0e485415f5c3174bad8abf5ae073d9e6.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

scenes/ui/select_stage.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=2 format=3 uid="uid://cwf2fhvjfq7xg"]
+[gd_scene load_steps=3 format=3 uid="uid://cwf2fhvjfq7xg"]
 
 [ext_resource type="Script" path="res://scripts/ui/select_stage.gd" id="1_t86bq"]
+[ext_resource type="Texture2D" uid="uid://dcd26ajdxnv5s" path="res://assets/icons/locked.png" id="2_ppj84"]
 
 [node name="SelectStage" type="Control"]
 layout_mode = 3
@@ -62,6 +63,12 @@ theme_override_constants/margin_top = 10
 theme_override_constants/margin_right = 10
 theme_override_constants/margin_bottom = 10
 
+[node name="Locked" type="TextureRect" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer"]
+layout_mode = 2
+texture = ExtResource("2_ppj84")
+expand_mode = 2
+stretch_mode = 5
+
 [node name="Stage 1" type="Button" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer"]
 layout_mode = 2
 text = "1"
@@ -74,6 +81,12 @@ theme_override_constants/margin_top = 10
 theme_override_constants/margin_right = 10
 theme_override_constants/margin_bottom = 10
 
+[node name="Locked" type="TextureRect" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2"]
+layout_mode = 2
+texture = ExtResource("2_ppj84")
+expand_mode = 2
+stretch_mode = 5
+
 [node name="Stage 2" type="Button" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2"]
 layout_mode = 2
 text = "2"
@@ -86,6 +99,12 @@ theme_override_constants/margin_top = 10
 theme_override_constants/margin_right = 20
 theme_override_constants/margin_bottom = 10
 
+[node name="Locked" type="TextureRect" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer3"]
+layout_mode = 2
+texture = ExtResource("2_ppj84")
+expand_mode = 2
+stretch_mode = 5
+
 [node name="Stage 3" type="Button" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer3"]
 layout_mode = 2
 text = "3"
@@ -102,6 +121,12 @@ theme_override_constants/margin_top = 10
 theme_override_constants/margin_right = 10
 theme_override_constants/margin_bottom = 20
 
+[node name="Locked" type="TextureRect" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer"]
+layout_mode = 2
+texture = ExtResource("2_ppj84")
+expand_mode = 2
+stretch_mode = 5
+
 [node name="Stage 4" type="Button" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer"]
 layout_mode = 2
 text = "4"
@@ -114,6 +139,12 @@ theme_override_constants/margin_top = 10
 theme_override_constants/margin_right = 10
 theme_override_constants/margin_bottom = 20
 
+[node name="Locked" type="TextureRect" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer2"]
+layout_mode = 2
+texture = ExtResource("2_ppj84")
+expand_mode = 2
+stretch_mode = 5
+
 [node name="Stage 5" type="Button" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer2"]
 layout_mode = 2
 text = "5"
@@ -126,6 +157,12 @@ theme_override_constants/margin_top = 10
 theme_override_constants/margin_right = 20
 theme_override_constants/margin_bottom = 20
 
+[node name="Locked" type="TextureRect" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer3"]
+layout_mode = 2
+texture = ExtResource("2_ppj84")
+expand_mode = 2
+stretch_mode = 5
+
 [node name="Stage 6" type="Button" parent="Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer3"]
 layout_mode = 2
 text = "6"

scripts/data/data.gd

@@ -0,0 +1,31 @@
+extends Node
+
+
+const FILE_NAME = "user://data.foh"
+const KEY = "NO_OPPAI_NO_LIFE"
+
+func save_data(data):
+	var file = FileAccess.open_encrypted_with_pass(FILE_NAME, FileAccess.WRITE, KEY)
+	if file == null:
+		print(FileAccess.get_open_error())
+		return
+
+	var json_string = JSON.stringify(data, "\t")
+	file.store_string(json_string)
+	file.close()
+
+func load_data():
+	if FileAccess.file_exists(FILE_NAME):
+		var file = FileAccess.open_encrypted_with_pass(FILE_NAME, FileAccess.READ, KEY)
+		if file == null:
+			print(FileAccess.get_open_error())
+			return
+
+		var content = file.get_as_text()
+		file.close()
+
+		var data = JSON.parse_string(content)
+
+		return data
+	else:
+		return null

scripts/stages/1/game_manager.gd

@@ -113,4 +113,5 @@ func on_enemy_reward(value: int):
 
 func _on_duration_timeout():
 	get_tree().paused = true
+	$CanvasLayer/Victory.unlock_next_stage()
 	$CanvasLayer/Victory.show()

scripts/stages/2/game_manager.gd

@@ -112,4 +112,5 @@ func on_enemy_reward(value: int):
 
 func _on_duration_timeout():
 	get_tree().paused = true
+	$CanvasLayer/Victory.unlock_next_stage()
 	$CanvasLayer/Victory.show()

scripts/stages/3/game_manager.gd

@@ -112,4 +112,5 @@ func on_enemy_reward(value: int):
 
 func _on_duration_timeout():
 	get_tree().paused = true
+	$CanvasLayer/Victory.unlock_next_stage()
 	$CanvasLayer/Victory.show()

scripts/stages/4/game_manager.gd

@@ -112,4 +112,5 @@ func on_enemy_reward(value: int):
 
 func _on_duration_timeout():
 	get_tree().paused = true
+	$CanvasLayer/Victory.unlock_next_stage()
 	$CanvasLayer/Victory.show()

scripts/stages/5/game_manager.gd

@@ -112,4 +112,5 @@ func on_enemy_reward(value: int):
 
 func _on_duration_timeout():
 	get_tree().paused = true
+	$CanvasLayer/Victory.unlock_next_stage()
 	$CanvasLayer/Victory.show()

scripts/stages/6/game_manager.gd

@@ -112,4 +112,5 @@ func on_enemy_reward(value: int):
 
 func _on_duration_timeout():
 	get_tree().paused = true
+	$CanvasLayer/Victory.unlock_next_stage()
 	$CanvasLayer/Victory.show()

scripts/ui/main_menu.gd

@@ -1,6 +1,16 @@
 extends Control
 
 
+var game_data = load("res://scripts/data/data.gd").new()
+
+func _ready():
+	var data = game_data.load_data()
+	if data == null:
+		game_data.save_data({
+			"debug": false,
+			"unlocked_stage": 1
+		})
+
 func _on_start_game_pressed():
 	get_tree().change_scene_to_file("res://scenes/ui/select_stage.tscn")
 

scripts/ui/select_stage.gd

@@ -1,23 +1,63 @@
 extends Control
 
 
+var game_data = load("res://scripts/data/data.gd").new()
+var data = game_data.load_data()
+
+func _ready():
+	match int(data['unlocked_stage']):
+		1:
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer/Locked.hide()
+		2:
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2/Locked.hide()
+		3:
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer3/Locked.hide()
+		4:
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer3/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer/Locked.hide()
+		5:
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer3/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer2/Locked.hide()
+		6:
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer2/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer2/MarginContainer3/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer2/Locked.hide()
+			$Panel/MarginContainer/VBoxContainer/HBoxContainer3/MarginContainer3/Locked.hide()
+		_:
+			pass
+
 func _on_back_pressed():
 	get_tree().change_scene_to_file("res://scenes/ui/main_menu.tscn")
 
 func _on_stage_1_pressed():
-	get_tree().change_scene_to_file("res://scenes/stages/stage_1.tscn")
+	verify_selected_stage(1)
 
 func _on_stage_2_pressed():
-	get_tree().change_scene_to_file("res://scenes/stages/stage_2.tscn")
+	verify_selected_stage(2)
 
 func _on_stage_3_pressed():
-	get_tree().change_scene_to_file("res://scenes/stages/stage_3.tscn")
+	verify_selected_stage(3)
 
 func _on_stage_4_pressed():
-	get_tree().change_scene_to_file("res://scenes/stages/stage_4.tscn")
+	verify_selected_stage(4)
 
 func _on_stage_5_pressed():
-	get_tree().change_scene_to_file("res://scenes/stages/stage_5.tscn")
+	verify_selected_stage(5)
 
 func _on_stage_6_pressed():
-	get_tree().change_scene_to_file("res://scenes/stages/stage_6.tscn")
+	verify_selected_stage(6)
+
+func verify_selected_stage(stage_id: int):
+	if int(data['unlocked_stage']) >= stage_id:
+		get_tree().change_scene_to_file("res://scenes/stages/stage_{stage_id}.tscn".format({"stage_id": str(stage_id)}))
+	pass

scripts/ui/victory.gd

@@ -1,6 +1,9 @@
 extends Control
 
 
+var game_data = load("res://scripts/data/data.gd").new()
+var data = game_data.load_data()
+
 var next_stage: int = 0
 
 func set_next_stage(value: int):
@@ -9,6 +12,11 @@ func set_next_stage(value: int):
 	else:
 		$Panel/MarginContainer/VBoxContainer/NextStage.text = "Main Menu"
 
+func unlock_next_stage():
+	if next_stage != 0:
+		data['unlocked_stage'] = next_stage
+		game_data.save_data(data)
+
 func _on_next_stage_pressed():
 	get_tree().paused = false