Made it save your high score whenever you hit a poison berry

I'm gonna add a pause menu later and whenever you go back the main menu
with that it will save your high score there too.

Scenes/MainMenu.tscn

@@ -1,5 +1,6 @@
-[gd_scene load_steps=9 format=3 uid="uid://bg4fa11htun38"]
+[gd_scene load_steps=10 format=3 uid="uid://bg4fa11htun38"]
 
+[ext_resource type="Script" uid="uid://crsloi4abxhqh" path="res://Scripts/LoadSaveFIle.cs" id="1_df05h"]
 [ext_resource type="FontFile" uid="uid://dq7nkk7n7wrq4" path="res://Fonts/Lexend.ttf" id="1_tt5f1"]
 [ext_resource type="Script" uid="uid://bc4miccifwrk0" path="res://Scripts/SceneSwitcher.cs" id="2_8saeu"]
 [ext_resource type="AudioStream" uid="uid://6v4630hrkeg6" path="res://Audio/Music/Menu.mp3" id="2_853f1"]
@@ -9,12 +10,6 @@
 font = ExtResource("1_tt5f1")
 font_size = 486
 
-[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_853f1"]
-bg_color = Color(0.95158, 0.95158, 0.95158, 1)
-
-[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_8saeu"]
-bg_color = Color(0.830335, 0.830335, 0.830335, 1)
-
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_tt5f1"]
 bg_color = Color(1, 1, 1, 1)
 corner_radius_top_left = 5
@@ -22,6 +17,12 @@ corner_radius_top_right = 5
 corner_radius_bottom_right = 5
 corner_radius_bottom_left = 5
 
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_8saeu"]
+bg_color = Color(0.830335, 0.830335, 0.830335, 1)
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_853f1"]
+bg_color = Color(0.95158, 0.95158, 0.95158, 1)
+
 [node name="MainMenu" type="Control"]
 layout_mode = 3
 anchors_preset = 15
@@ -29,6 +30,7 @@ anchor_right = 1.0
 anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
+script = ExtResource("1_df05h")
 
 [node name="Center" type="Control" parent="."]
 layout_mode = 1
@@ -127,17 +129,17 @@ offset_right = 250.0
 offset_bottom = 118.0
 grow_horizontal = 2
 grow_vertical = 2
-theme_override_colors/font_disabled_color = Color(0, 0, 0, 1)
-theme_override_colors/font_hover_pressed_color = Color(0, 0, 0, 1)
-theme_override_colors/font_hover_color = Color(0, 0, 0, 1)
 theme_override_colors/font_color = Color(0, 0, 0, 1)
 theme_override_colors/font_focus_color = Color(0, 0, 0, 1)
 theme_override_colors/font_pressed_color = Color(0, 0, 0, 1)
+theme_override_colors/font_hover_color = Color(0, 0, 0, 1)
+theme_override_colors/font_hover_pressed_color = Color(0, 0, 0, 1)
+theme_override_colors/font_disabled_color = Color(0, 0, 0, 1)
 theme_override_fonts/font = ExtResource("1_tt5f1")
 theme_override_font_sizes/font_size = 56
-theme_override_styles/hover = SubResource("StyleBoxFlat_853f1")
-theme_override_styles/pressed = SubResource("StyleBoxFlat_8saeu")
 theme_override_styles/normal = SubResource("StyleBoxFlat_tt5f1")
+theme_override_styles/pressed = SubResource("StyleBoxFlat_8saeu")
+theme_override_styles/hover = SubResource("StyleBoxFlat_853f1")
 text = "Play"
 script = ExtResource("2_8saeu")
 ScenePath = "res://Scenes/Game.tscn"

Scripts/BazookaManager.cs

@@ -0,0 +1,24 @@
+using Godot;
+
+public partial class BazookaManager : Node {
+    public static string HighScore = "0";
+
+    public static string Read(string saveKey, string defaultValue) {
+        string path = "user://" + saveKey + ".txt";
+        if (!FileAccess.FileExists(path)) {
+            using var file = FileAccess.Open(path, FileAccess.ModeFlags.Write);
+            file.StoreString(defaultValue);
+            return defaultValue;
+        } else {
+            using var file = FileAccess.Open(path, FileAccess.ModeFlags.Read);
+            return file.GetAsText();
+        }
+    }
+
+    public static void Write(string saveKey, string value) {
+        string path = "user://" + saveKey + ".txt";
+        using var file = FileAccess.Open(path, FileAccess.ModeFlags.Write);
+        file.StoreString(value);
+        file.Flush();
+    }
+}

Scripts/BazookaManager.cs.uid

@@ -0,0 +1 @@
+uid://q3n4b6d6e7x0

Scripts/BerryLogic.cs

@@ -29,6 +29,8 @@ public partial class BerryLogic : Node2D {
         if (BerryType == "poison") {
             Globals.EffectTimer = 0f;
             Globals.Score = 0;
+
+            BazookaManager.Write(BazookaManager.HighScore, Globals.HighScore.ToString());
         } else if (BerryType == "slow") {
             if (Globals.ActiveEffect == "slow") {
                 Globals.EffectTimer += 10f;

Scripts/LoadSaveFIle.cs

@@ -0,0 +1,8 @@
+using Godot;
+using System;
+
+public partial class LoadSaveFIle : Control {
+    public override void _Ready() {
+        Globals.HighScore = int.Parse(BazookaManager.Read(BazookaManager.HighScore, "0"));
+    }
+}

Scripts/LoadSaveFIle.cs.uid

@@ -0,0 +1 @@
+uid://crsloi4abxhqh