Implement simple user creation system

.drone.yml

@@ -2,6 +2,9 @@ kind: pipeline
 name: sonarcube
 type: docker
 
+clone:
+    retries: 10
+
 steps:
   - name: code-analysis
     pull: if-not-exists

Assets/Common/Prefabs/Avatar.prefab

@@ -0,0 +1,212 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!1 &6263784958278830195
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 6263784958278830196}
+  - component: {fileID: 6263784958278830198}
+  - component: {fileID: 6263784958278830197}
+  m_Layer: 5
+  m_Name: Image
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &6263784958278830196
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784958278830195}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 6263784960026409965}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 100, y: 100}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!222 &6263784958278830198
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784958278830195}
+  m_CullTransparentMesh: 1
+--- !u!114 &6263784958278830197
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784958278830195}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: fe87c0e1cc204ed48ad3b37840f39efc, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
+  m_Maskable: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+  m_Sprite: {fileID: 0}
+  m_Type: 0
+  m_PreserveAspect: 0
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+  m_UseSpriteMesh: 0
+  m_PixelsPerUnitMultiplier: 1
+--- !u!1 &6263784960026409964
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 6263784960026409965}
+  - component: {fileID: 6263784960026409952}
+  - component: {fileID: 6263784960026409967}
+  - component: {fileID: 6263784960026409966}
+  m_Layer: 5
+  m_Name: Avatar
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &6263784960026409965
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784960026409964}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children:
+  - {fileID: 6263784958278830196}
+  m_Father: {fileID: 0}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!222 &6263784960026409952
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784960026409964}
+  m_CullTransparentMesh: 1
+--- !u!114 &6263784960026409967
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784960026409964}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: fe87c0e1cc204ed48ad3b37840f39efc, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
+  m_Maskable: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+  m_Sprite: {fileID: 10905, guid: 0000000000000000f000000000000000, type: 0}
+  m_Type: 1
+  m_PreserveAspect: 0
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+  m_UseSpriteMesh: 0
+  m_PixelsPerUnitMultiplier: 1
+--- !u!114 &6263784960026409966
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6263784960026409964}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 4e29b1a8efbd4b44bb3f3716e73f07ff, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Navigation:
+    m_Mode: 3
+    m_WrapAround: 0
+    m_SelectOnUp: {fileID: 0}
+    m_SelectOnDown: {fileID: 0}
+    m_SelectOnLeft: {fileID: 0}
+    m_SelectOnRight: {fileID: 0}
+  m_Transition: 1
+  m_Colors:
+    m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
+    m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
+    m_SelectedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
+    m_ColorMultiplier: 1
+    m_FadeDuration: 0.1
+  m_SpriteState:
+    m_HighlightedSprite: {fileID: 0}
+    m_PressedSprite: {fileID: 0}
+    m_SelectedSprite: {fileID: 0}
+    m_DisabledSprite: {fileID: 0}
+  m_AnimationTriggers:
+    m_NormalTrigger: Normal
+    m_HighlightedTrigger: Highlighted
+    m_PressedTrigger: Pressed
+    m_SelectedTrigger: Selected
+    m_DisabledTrigger: Disabled
+  m_Interactable: 1
+  m_TargetGraphic: {fileID: 6263784960026409967}
+  m_OnClick:
+    m_PersistentCalls:
+      m_Calls:
+      - m_Target: {fileID: 0}
+        m_TargetAssemblyTypeName: 
+        m_MethodName: 
+        m_Mode: 1
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: 
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: 
+          m_BoolArgument: 0
+        m_CallState: 2

Assets/Common/Prefabs/Avatar.prefab.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: c09ef5423059da444ad7743174e9f077
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Common/Scenes/ListCoursesScreen.unity

@@ -286,6 +286,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 2823887524698191631, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
 --- !u!224 &289602555 stripped
@@ -919,8 +923,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 0fac0bf527487ad48835aff400b1f762, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  item_container: {fileID: 461792789}
+  itemContainer: {fileID: 461792789}
-  item_prefab: {fileID: 4959898007614330357, guid: baf585123c6364d40a17b89676eb350d, type: 3}
+  itemPrefab: {fileID: 4959898007614330357, guid: baf585123c6364d40a17b89676eb350d, type: 3}
   numberOfItems: 100
   itemTitle:
   - les XYZ
@@ -1577,6 +1581,10 @@ PrefabInstance:
   m_Modification:
     m_TransformParent: {fileID: 906197777}
     m_Modifications:
+    - target: {fileID: 8299246693487308512, guid: 3bccdf365a4fbea4d8fa1aa461d3dc5c, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     - target: {fileID: 8299246693487308514, guid: 3bccdf365a4fbea4d8fa1aa461d3dc5c, type: 3}
       propertyPath: m_Name
       value: ButtonBack

Assets/Common/Scenes/ListMinigamesScreen.unity

@@ -1071,8 +1071,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 0fac0bf527487ad48835aff400b1f762, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  item_container: {fileID: 1832508913}
+  itemContainer: {fileID: 1832508913}
-  item_prefab: {fileID: 4959898007614330357, guid: baf585123c6364d40a17b89676eb350d, type: 3}
+  itemPrefab: {fileID: 4959898007614330357, guid: baf585123c6364d40a17b89676eb350d, type: 3}
   numberOfItems: 100
   itemTitle:
   - minigame ABC
@@ -1708,6 +1708,10 @@ PrefabInstance:
   m_Modification:
     m_TransformParent: {fileID: 1380805077}
     m_Modifications:
+    - target: {fileID: 8299246693487308512, guid: 3bccdf365a4fbea4d8fa1aa461d3dc5c, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     - target: {fileID: 8299246693487308514, guid: 3bccdf365a4fbea4d8fa1aa461d3dc5c, type: 3}
       propertyPath: m_Name
       value: ButtonBack
@@ -2109,6 +2113,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 2823887524698191631, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
 --- !u!224 &1840395957 stripped

Assets/Common/Scenes/SettingsScreen.unity

@@ -282,6 +282,10 @@ PrefabInstance:
   m_Modification:
     m_TransformParent: {fileID: 906197777}
     m_Modifications:
+    - target: {fileID: 8299246693487308512, guid: 3bccdf365a4fbea4d8fa1aa461d3dc5c, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     - target: {fileID: 8299246693487308514, guid: 3bccdf365a4fbea4d8fa1aa461d3dc5c, type: 3}
       propertyPath: m_Name
       value: ButtonBack
@@ -695,6 +699,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 2823887524698191631, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
 --- !u!224 &2035873552 stripped

Assets/Common/Scenes/StartScreen.unity

@@ -775,6 +775,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 2823887524698191631, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
+      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Arguments.m_StringArgument
+      value: Common/Scenes/StartScreen
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 53b0d00ac817ebf43b61bea2d160dd66, type: 3}
 --- !u!224 &790881345 stripped

Assets/Common/Scenes/UserCreationScreen.unity.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 401cfc17c01f88847b434260a6a93933
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Common/ScriptableObjects.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 56c7d643409f9c446bcb1014f14ac1dd
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Common/ScriptableObjects/UserList.asset

@@ -0,0 +1,16 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 3f3d6d68c3c3db64e91cf5ec9537ccda, type: 3}
+  m_Name: UserList
+  m_EditorClassIdentifier: 
+  userTemplate: {fileID: 11400000, guid: 9195fb19688f1834fac39d356f965c20, type: 2}
+  users: []

Assets/Common/ScriptableObjects/UserList.asset.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 072bec636a40f7e4e93b0ac624a3bda2
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Common/ScriptableObjects/UserTemplate.asset

@@ -0,0 +1,19 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 3c6c5919d9f747143b377c2bc34cd28b, type: 3}
+  m_Name: UserTemplate
+  m_EditorClassIdentifier: 
+  username: 
+  avatar: {fileID: 21300000, guid: 0c9156aa9168241eaacc01c996d6aa97, type: 3}
+  playtime: 0
+  courses: []
+  minigames: []

Assets/Common/ScriptableObjects/UserTemplate.asset.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 9195fb19688f1834fac39d356f965c20
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Common/ScriptableObjects/Users.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: dc83c2f6756fa3e43976e529562dd622
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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();
+    }
+}

Assets/Common/Scripts/Progress.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 183eab19332f33a48a745b7b264611fc
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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>();
+}

Assets/Common/Scripts/User.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3c6c5919d9f747143b377c2bc34cd28b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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}'!");
+    }
+}

Assets/Common/Scripts/UserCreationScreen.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fc3902e35c042b14f83b24498d31d587
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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;
+    }
+}

Assets/Common/Scripts/UserList.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3f3d6d68c3c3db64e91cf5ec9537ccda
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Common/Tests.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 9eb837b38adfbfb4f8f440b677afc7ee
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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);
+    }
+}

Assets/Common/Tests/TestProgress.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 49445c42f43d1bb488f588623826a39e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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"));
+    }
+}

Assets/Common/Tests/TestUserCreationScreen.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b6dabaf99e10900459274641f4cc9010
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Packages/manifest.json

@@ -4,7 +4,7 @@
     "com.unity.ide.rider": "3.0.18",
     "com.unity.ide.visualstudio": "2.0.17",
     "com.unity.ide.vscode": "1.2.5",
-    "com.unity.test-framework": "1.1.31",
+    "com.unity.test-framework": "1.1.33",
     "com.unity.textmeshpro": "3.0.6",
     "com.unity.timeline": "1.6.4",
     "com.unity.ugui": "1.0.0",

Packages/packages-lock.json

@@ -40,7 +40,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.test-framework": {
-      "version": "1.1.31",
+      "version": "1.1.33",
       "depth": 0,
       "source": "registry",
       "dependencies": {