window mode and botany wip

Assets/Util/Preferences.cs

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+using System.IO;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[ExecuteAlways]
+public class Preferences : MonoBehaviour {
+    public ThemeSelector themeSelector;
+    public PreferenceData data;
+
+    void Awake() {
+        string path = Path.Combine(Application.persistentDataPath, "preferences.json");
+        data = new PreferenceData(path).Load();
+        // Debug.Log($"ThemeIndex {data.themeIndex}");
+    }
+
+    public void SetThemeIndex(int i) {
+        data.themeIndex = i;
+        data.Save();
+    }
+
+    public Gradient Theme() {
+        return themeSelector.CurrentTheme();
+    }
+}