Implement simple user creation system

2023-03-08 10:13:10 +00:00
parent 7ed5a959e2
commit a351182aa1
31 changed files with 2503 additions and 140 deletions
--- a/Assets/Common/Fonts/Korolev
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--- a/Assets/Common/Scripts/Progress.cs
+++ b/Assets/Common/Scripts/Progress.cs
@@ -0,0 +1,85 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.Serialization.Formatters.Binary;
+using UnityEngine;
+
+
+[Serializable]
+public class Progress
+{
+    [Serializable]
+    // Helper class to serialize into byte[]
+    protected class DataEntry
+    {
+        public string key;
+        public List<byte> bytes = new List<byte>();
+
+        public DataEntry(string key, byte[] data)
+        {
+            this.key = key;
+            this.bytes = new List<byte>(data);
+        }
+    }
+
+
+    // TODO: use inheritance to create seperate MinigameProgress and CourseProgress
+    [Header("Course or Minigame")]
+    // TODO: change to course/minigame ScriptableObject reference
+    // Index of item in courses/minigame list object
+    public int index;
+
+    [SerializeField]
+    // values belonging to a certain key, in List (which can be serialized)
+    private List<DataEntry> entries = new List<DataEntry>();
+
+
+    // Add new `key` := `value`, returns `true` if successful
+    public bool Add<T>(string key, T data)
+    {
+        if (data == null)
+            return false;
+
+        // Search for already existing key
+        foreach (DataEntry entry in entries)
+        {
+            if (entry.key == key)
+            {
+                return false;
+            }
+        }
+
+        // Hacky serialization stuff
+        BinaryFormatter bf = new BinaryFormatter();
+        using (MemoryStream ms = new MemoryStream())
+        {
+            bf.Serialize(ms, data);
+            entries.Add(new DataEntry(key, ms.ToArray()));
+            return true;
+        }
+    }
+
+    // Get the value of type `T` belonging to `key`
+    public T Get<T>(string key)
+    {
+        BinaryFormatter bf = new BinaryFormatter();
+        using (MemoryStream ms = new MemoryStream())
+        {
+            // Find the correct key
+            foreach (DataEntry entry in entries)
+            {
+                if (entry.key == key)
+                {
+                    // Hacky serialization stuff
+                    byte[] data = entry.bytes.ToArray();
+                    ms.Write(data, 0, data.Length);
+                    ms.Seek(0, SeekOrigin.Begin);
+                    return (T)bf.Deserialize(ms);
+                }
+            }
+        }
+        // Raise an exception when key is not found
+        throw new KeyNotFoundException();
+    }
+}
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--- a/Assets/Common/Scripts/User.cs
+++ b/Assets/Common/Scripts/User.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Create new Scriptable/User/User")]
+public class User : ScriptableObject
+{
+    [Header("Personal data")]
+    // User nickname
+    public string username;
+    // User avatar
+    public Sprite avatar;
+
+    [Header("Personal settings")]
+    // TODO: set personal settings and preferences
+
+    [Header("Progress")]
+    // Total playtime
+    public double playtime;
+    [SerializeField]
+    // List of courses a user started/completed
+    public List<Progress> courses = new List<Progress>();
+    [SerializeField]
+    // List of minigames a user played
+    public List<Progress> minigames = new List<Progress>();
+}
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--- a/Assets/Common/Scripts/UserCreationScreen.cs
+++ b/Assets/Common/Scripts/UserCreationScreen.cs
@@ -0,0 +1,101 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+using TMPro;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+public class UserCreationScreen : MonoBehaviour
+{
+    // Max length of a username
+    private const int MAX_USERNAME_LENGTH = 12;
+
+    [Header("UI References")]
+    // Reference to the input text field for username
+    public TMP_InputField inputName;
+    // Reference to the avatar-list container
+    public Transform avatarsContainer;
+
+    [Header("Prefab")]
+    // Avatar prefab
+    public GameObject avatarPrefab;
+    // List of all sprites that are supported as avatars
+    public List<Sprite> sprites = new List<Sprite>();
+
+    [Header("Users List")]
+    // Reference to the UserList ScriptableObject
+    public UserList users;
+
+    [SerializeField]
+    // Current selected avatar
+    private int selectedAvatar = 0;
+    // List of references to avatar background sprites (so we can color them nicely)
+    private List<Image> avatars = new List<Image>();
+
+
+    void Start()
+    {
+        for (int i = 0; i < sprites.Count; i++)
+        {
+            // Create instance of prefab
+            GameObject instance = GameObject.Instantiate(avatarPrefab, avatarsContainer);
+
+            // Store value of i so we can use it the callback (else it would get the value of sprites.Count)
+            int x = i;
+            // Add onClick callback
+            instance.GetComponent<Button>().onClick.AddListener(() => UpdateAvatar(x));
+
+            // Store reference to image for fancy coloring
+            Image background = instance.GetComponent<Image>();
+            avatars.Add(background);
+            // Set background color
+            background.color = selectedAvatar == i ? Color.blue : Color.gray;
+            // Find correct component for setting the sprite
+            foreach (Image img in background.GetComponentsInChildren<Image>())
+                if (img != background)
+                {
+                    img.sprite = sprites[i];
+                    break;
+                }
+        }
+    }
+
+    // Update the current selected avatar
+    private void UpdateAvatar(int newAvatar)
+    {
+        avatars[selectedAvatar].color = Color.gray;
+        selectedAvatar = newAvatar;
+        avatars[selectedAvatar].color = Color.blue;
+    }
+
+    // Check if a given string is a correct username (using Regex)
+    static public bool IsValidUsername(string username)
+    {
+        return new Regex($@"^[abcdefghijklmnopqrstuvwxyz]{{1,{MAX_USERNAME_LENGTH}}}$").IsMatch(username);
+    }
+
+    // Create a new user (will be called by button)
+    public void CreateUser()
+    {
+        string username = inputName.text;
+        if (IsValidUsername(username))
+        {
+            if (!users.GetUserByUsername(username))
+            {
+                // Create a new entry in the UserList ScriptableObject
+                users.CreateAndAddNewUser(username, sprites[selectedAvatar]);
+                // TODO: change scene, for now just change to StartScreen
+                SceneManager.LoadScene("Common/Scenes/StartScreen");
+            }
+            // TODO: give more feedback to user
+            // Warn user that username already exists
+            else Debug.LogWarning($"Username '{username}' already exists!");
+        }
+        // TODO: give more feedback to user
+        // Warn user that username is invalid
+        else Debug.LogWarning($"Invalid username '{username}'!");
+    }
+}
--- a/Assets/Common/Scripts/UserCreationScreen.cs.meta
+++ b/Assets/Common/Scripts/UserCreationScreen.cs.meta
@@ -0,0 +1,11 @@
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--- a/Assets/Common/Scripts/UserList.cs
+++ b/Assets/Common/Scripts/UserList.cs
@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.UI;
+
+[CreateAssetMenu(menuName = "Create new Scriptable/User/List")]
+public class UserList : ScriptableObject
+{
+    [Header("Template")]
+    // Reference to User template
+    public ScriptableObject userTemplate;
+
+    [Header("Users")]
+    // List of users
+    public List<User> users = new List<User>();
+
+    // Create a new User
+    public User CreateNewUser(string name, Sprite avatar)
+    {
+        User user = ScriptableObject.CreateInstance<User>();
+        user.username = name;
+        user.avatar = avatar;
+        return user;
+    }
+
+    // Create a new User and add to list
+    public User CreateAndAddNewUser(string name, Sprite avatar)
+    {
+        User user = CreateNewUser(name, avatar);
+        users.Add(user);
+        EditorUtility.SetDirty(this);
+        AssetDatabase.CreateAsset(user, $"Assets/Common/ScriptableObjects/Users/{name}.asset");
+        AssetDatabase.SaveAssets();
+        return user;
+    }
+
+    // Get user by username, returns `null` if no user can be found with such name
+    public User GetUserByUsername(string username)
+    {
+        foreach (User user in users)
+            if (user.username == username) return user;
+
+        return null;
+    }
+}
--- a/Assets/Common/Scripts/UserList.cs.meta
+++ b/Assets/Common/Scripts/UserList.cs.meta
@@ -0,0 +1,11 @@
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--- a/Assets/Common/Tests.meta
+++ b/Assets/Common/Tests.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 9eb837b38adfbfb4f8f440b677afc7ee
+folderAsset: yes
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--- a/Assets/Common/Tests/TestProgress.cs
+++ b/Assets/Common/Tests/TestProgress.cs
@@ -0,0 +1,166 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+using UnityEngine;
+
+public class TestProgress : MonoBehaviour
+{
+    [Serializable]
+    // Dummy struct
+    private struct SerializableStruct
+    {
+        public int r, g, b;
+        public float x, y, z;
+    }
+
+    private struct NonSerializableStruct
+    {
+        public int r, g, b;
+        public float x, y, z;
+    }
+
+
+    // Helper method, returns true if `Progress.Get(...)` throws a `KeyNotFoundException`
+    private bool AddNonSerializableStruct()
+    {
+        Progress progress = new Progress();
+        NonSerializableStruct nss = new NonSerializableStruct();
+        try { progress.Add<NonSerializableStruct>("key", nss); }
+        catch (SerializationException) { return true; }
+        return false;
+    }
+
+    // Helper method, returns true if `Progress.Get(...)` throws a `KeyNotFoundException`
+    private bool AccessInvalidKey()
+    {
+        Progress progress = new Progress();
+        try { progress.Get<int>("non-existing key"); }
+        catch (KeyNotFoundException) { return true; }
+        return false;
+    }
+
+    // Helper method, returns true if `Progress.Get(...)` throws a `InvalidCastException`
+    private bool AccessInvalidType()
+    {
+        Progress progress = new Progress();
+        progress.Add<int>("key", 123456789);
+        try { progress.Get<double>("key"); }
+        catch (InvalidCastException) { return true; }
+        return false;
+    }
+
+    void Start()
+    {
+        TestNewProgress();
+        TestProgressAddInvalidData();
+        TestProgressAddDuplicateKey();
+        TestProgressAddInt();
+        TestProgressAddDouble();
+        TestProgressAddString();
+        TestProgressAddSerializableStruct();
+        TestProgressAddNonSerializableStruct();
+        TestProgressGetInvalidKey();
+        TestProgressGetInvalidType();
+        TestProgressGetInt();
+        TestProgressGetDouble();
+        TestProgressGetString();
+        TestProgressGetStruct();
+    }
+
+    public void TestNewProgress()
+    {
+        Progress progress = new Progress();
+        Debug.Assert(progress != null);
+    }
+
+    public void TestProgressAddInvalidData()
+    {
+        Progress progress = new Progress();
+        Debug.Assert(!progress.Add<GameObject>("key", null));
+    }
+
+    public void TestProgressAddDuplicateKey()
+    {
+        Progress progress = new Progress();
+        progress.Add<int>("key 1", 0);
+        Debug.Assert(!progress.Add<int>("key 1", 1));
+    }
+
+    public void TestProgressAddInt()
+    {
+        Progress progress = new Progress();
+        Debug.Assert(progress.Add<int>("key", 1));
+    }
+
+    public void TestProgressAddDouble()
+    {
+        Progress progress = new Progress();
+        Debug.Assert(progress.Add<double>("key", 1.0));
+    }
+
+    public void TestProgressAddString()
+    {
+        Progress progress = new Progress();
+        Debug.Assert(progress.Add<string>("key", "Hello World!"));
+    }
+
+    public void TestProgressAddSerializableStruct()
+    {
+        Progress progress = new Progress();
+        Debug.Assert(progress.Add<SerializableStruct>("key", new SerializableStruct()));
+    }
+
+    public void TestProgressAddNonSerializableStruct()
+    {
+        Debug.Assert(AddNonSerializableStruct());
+    }
+
+    public void TestProgressGetInvalidKey()
+    {
+        Debug.Assert(AccessInvalidKey());
+    }
+
+    public void TestProgressGetInvalidType()
+    {
+        Debug.Assert(AccessInvalidType());
+    }
+
+    public void TestProgressGetInt()
+    {
+        Progress progress = new Progress();
+        progress.Add<int>("key", 1);
+        Debug.Assert(progress.Get<int>("key") == 1);
+    }
+
+    public void TestProgressGetDouble()
+    {
+        Progress progress = new Progress();
+        progress.Add<double>("key", 1.0);
+        Debug.Assert(progress.Get<double>("key") == 1.0);
+    }
+
+    public void TestProgressGetString()
+    {
+        Progress progress = new Progress();
+        progress.Add<string>("key", "Hello World!");
+        Debug.Assert(progress.Get<string>("key") == "Hello World!");
+    }
+
+    public void TestProgressGetStruct()
+    {
+        Progress progress = new Progress();
+
+        int R = 1, G = 10, B = 100;
+        float X = 0.1f, Y = 0.01f, Z = 0.001f;
+        SerializableStruct data = new SerializableStruct { r = R, g = G, b = B, x = X, y = Y, z = Z };
+        progress.Add<SerializableStruct>("key", data);
+        SerializableStruct result = progress.Get<SerializableStruct>("key");
+        Debug.Assert(result.r == R);
+        Debug.Assert(result.g == G);
+        Debug.Assert(result.b == B);
+        Debug.Assert(result.x == X);
+        Debug.Assert(result.y == Y);
+        Debug.Assert(result.z == Z);
+    }
+}
--- a/Assets/Common/Tests/TestProgress.cs.meta
+++ b/Assets/Common/Tests/TestProgress.cs.meta
@@ -0,0 +1,11 @@
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--- a/Assets/Common/Tests/TestUserCreationScreen.cs
+++ b/Assets/Common/Tests/TestUserCreationScreen.cs
@@ -0,0 +1,29 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class TestUserCreationScreen : MonoBehaviour
+{
+    void Start()
+    {
+        TestIsValidUsernameTrue();
+        TestIsValidUsernameFalse();
+    }
+
+    public void TestIsValidUsernameTrue()
+    {
+        foreach (char c in "abcdefghijklmnopqrstuvwxyz")
+            Debug.Assert(UserCreationScreen.IsValidUsername(c.ToString()));
+
+        Debug.Assert(UserCreationScreen.IsValidUsername("abcdefghijkl"));
+    }
+
+    public void TestIsValidUsernameFalse()
+    {
+        Debug.Assert(!UserCreationScreen.IsValidUsername(string.Empty));
+        foreach (char c in " \n\t0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ+-*/%_(){}[]\\")
+            Debug.Assert(!UserCreationScreen.IsValidUsername(c.ToString()));
+
+        Debug.Assert(!UserCreationScreen.IsValidUsername("abcdefghijklmnopqrstuvwxyz"));
+    }
+}
--- a/Assets/Common/Tests/TestUserCreationScreen.cs.meta
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