Improve Main Menu and catch RpcException

unity/Assets/Prefabs/Popup.prefab

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+  m_Text: Me, myself, I
+--- !u!222 &462409824
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@@ -924,6 +1003,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: dc417d59709b83f40a9f4f9541441269, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  ignoreElements: 1
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@@ -2333,6 +2413,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: dc417d59709b83f40a9f4f9541441269, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  ignoreElements: 1
 --- !u!114 &1567409294
 MonoBehaviour:
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@@ -2698,7 +2779,7 @@ GameObject:
   - component: {fileID: 1751519031}
   - component: {fileID: 1751519030}
   m_Layer: 5
-  m_Name: Text
+  m_Name: Name
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
@@ -2718,11 +2799,11 @@ RectTransform:
   m_Father: {fileID: 1783333716}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMin: {x: 0, y: 0.5}
-  m_AnchorMax: {x: 1, y: 1}
+  m_AnchorMax: {x: 0, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 5, y: 8}
-  m_SizeDelta: {x: 0, y: 0}
+  m_SizeDelta: {x: 150, y: 25}
-  m_Pivot: {x: 0.5, y: 0.5}
+  m_Pivot: {x: 0, y: 0.5}
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@@ -2750,13 +2831,13 @@ MonoBehaviour:
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     m_MinSize: 1
     m_MaxSize: 40
-    m_Alignment: 4
+    m_Alignment: 3
     m_AlignByGeometry: 0
     m_RichText: 1
     m_HorizontalOverflow: 0
     m_VerticalOverflow: 0
     m_LineSpacing: 1
-  m_Text: Text
+  m_Text: Name
 --- !u!222 &1751519031
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@@ -2765,6 +2846,85 @@ CanvasRenderer:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 1751519028}
   m_CullTransparentMesh: 0
+--- !u!1 &1771254980
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
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+  - component: {fileID: 1771254983}
+  - component: {fileID: 1771254982}
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+  m_Name: Version
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &1771254981
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+  m_Pivot: {x: 0, y: 0.5}
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+  m_Text: v0.0.0
+--- !u!222 &1771254983
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 GameObject:
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@@ -2796,12 +2956,14 @@ RectTransform:
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   m_Children:
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+  - {fileID: 1771254981}
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   m_AnchorMin: {x: 0, y: 1}
   m_AnchorMax: {x: 0, y: 1}
-  m_AnchoredPosition: {x: 125, y: -25.000015}
+  m_AnchoredPosition: {x: 125, y: -25}
   m_SizeDelta: {x: 250, y: 50}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &1783333717
@@ -2843,7 +3005,7 @@ MonoBehaviour:
     m_SelectedTrigger: Selected
     m_DisabledTrigger: Disabled
   m_Interactable: 1
-  m_TargetGraphic: {fileID: 1751519030}
+  m_TargetGraphic: {fileID: 1783333718}
   m_OnClick:
     m_PersistentCalls:
       m_Calls:
@@ -3767,7 +3929,7 @@ RectTransform:
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
   m_AnchoredPosition: {x: 0, y: 110}
-  m_SizeDelta: {x: 533, y: 100}
+  m_SizeDelta: {x: 315.96, y: 100}
   m_Pivot: {x: 0.5, y: 0.5}
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@@ -3791,17 +3953,17 @@ MonoBehaviour:
       m_Calls: []
   m_FontData:
     m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 48
+    m_FontSize: 10
     m_FontStyle: 0
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+    m_MinSize: 10
-    m_MaxSize: 102
+    m_MaxSize: 50
     m_Alignment: 4
     m_AlignByGeometry: 0
     m_RichText: 1
     m_HorizontalOverflow: 0
     m_VerticalOverflow: 0
-    m_LineSpacing: 1
+    m_LineSpacing: 80
   m_Text: '[ServerName]'
 --- !u!222 &2120702456
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@@ -3924,7 +4086,7 @@ MonoBehaviour:
     m_SelectedTrigger: Selected
     m_DisabledTrigger: Disabled
   m_Interactable: 1
-  m_TargetGraphic: {fileID: 1371957802574010001}
+  m_TargetGraphic: {fileID: 640861489022905312}
   m_OnClick:
     m_PersistentCalls:
       m_Calls:

unity/Assets/Scripts/MainMenuController.cs

@@ -2,53 +2,79 @@
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;
+using Grpc.Core;
 
 public class MainMenuController : MonoBehaviour {
+    [Header("Prefabs")]
+    public GameObject popupPrefab;
+
+    [Header("Other")]
     public GameObject mainMenu;
     public GameObject serverMenu;
     public GameObject lobbyMenu;
 
-    public InputField username;
+    private InputField username;
-    public InputField ip;
+    private InputField ip;
-    public InputField port;
+    private InputField port;
+
+    private Text serverName;
+    private GameObject serverScroll;
+
+    private Text lobbyCode;
+    private GameObject lobbyScroll;
 
     void Start() {
         for(int i = 5; i < 0; i++){
             Debug.Log(i);
         }
         // Simulate Lobbies in a Server
-        for (int i = 0; i < 2; i++) {
+        //for (int i = 0; i < 2; i++) {
-            var lobby = Instantiate(serverMenu.transform.GetChild(2).GetChild(0).GetChild(0), serverMenu.transform.GetChild(2).GetChild(0));
+        //    var lobby = Instantiate(serverMenu.transform.Find("BaseElement"), serverMenu.transform.Find("Content"));
-            lobby.GetComponentInChildren<Text>().text = "LBY" + Random.Range(0, 10) + Random.Range(0, 10) + Random.Range(0, 10);
+        //    lobby.GetComponentInChildren<Text>().text = "LBY" + Random.Range(0, 10) + Random.Range(0, 10) + Random.Range(0, 10);
-            lobby.gameObject.SetActive(true);
+        //    lobby.gameObject.SetActive(true);
-        }
+        //}
 
         mainMenu.SetActive(true);
         serverMenu.SetActive(false);
         lobbyMenu.SetActive(false);
+
+        username = mainMenu.FindRecursive("Username")?.GetComponent<InputField>();
+        ip = mainMenu.FindRecursive("IPAddress")?.GetComponent<InputField>();
+        port = mainMenu.FindRecursive("Port")?.GetComponent<InputField>();
+
+        serverName = serverMenu.FindRecursive("ServerName")?.GetComponent<Text>();
+        serverScroll = serverMenu.FindRecursive("Content");
+
+        lobbyCode = lobbyMenu.FindRecursive("LobbyCode")?.GetComponent<Text>();
+        lobbyScroll = lobbyMenu.FindRecursive("Content");
     }
 
     void Update() {}
 
     public void ConnectServer() {
-        var conn = Client.GetConnection();
+        try {
-        if (conn == null) {
+            var conn = Client.GetConnection();
-            if (ip.text != "" && port.text != "")
+            if (conn == null) {
-                Client.Connect(username.text, ip.text + ":" + port.text);
+                if (ip.text != "" && port.text != "")
-            else
+                    Client.Connect(username.text, ip.text + ":" + port.text);
-                Client.Connect(username.text);
+                else
-            conn = Client.GetConnection();
+                    Client.Connect(username.text);
-        }
+                conn = Client.GetConnection();
-
+            }
-        foreach (Game.Game g in conn.getGames()) {
-            Debug.Log(g.ToString());
-        }
 
-        if (conn != null) {
+            if (conn != null) {
-            mainMenu.SetActive(false);
+                mainMenu.SetActive(false);
-            serverMenu.SetActive(true);
+                serverMenu.SetActive(true);
-            lobbyMenu.SetActive(false);
+                lobbyMenu.SetActive(false);
-            ReloadMenu();
+                ReloadMenu();
+            }
+        } catch(RpcException e) {
+            if(e.StatusCode == StatusCode.Unavailable) {
+                var popup = Instantiate(popupPrefab, Vector2.zero, Quaternion.identity, mainMenu.transform);
+                popup.transform.localPosition = Vector2.zero;
+                popup.transform.Find("Title").GetComponent<Text>().text = "Error";
+                popup.transform.Find("Content").GetComponent<Text>().text = "Server unavailable.\nPlease retry later or contact the server admin.";
+            }
         }
     }
 
@@ -71,7 +97,7 @@ public class MainMenuController : MonoBehaviour {
                 mainMenu.SetActive(false);
                 serverMenu.SetActive(false);
                 lobbyMenu.SetActive(true);
-                lobbyMenu.transform.GetChild(1).gameObject.GetComponent<Text>().text = "Code: " + code;
+                lobbyCode.text = "Code: " + code;
                 ReloadMenu();
             }
         }
@@ -86,7 +112,7 @@ public class MainMenuController : MonoBehaviour {
                 mainMenu.SetActive(false);
                 serverMenu.SetActive(false);
                 lobbyMenu.SetActive(true);
-                lobbyMenu.transform.GetChild(1).gameObject.GetComponent<Text>().text = "Code: " + lobby;
+                lobbyCode.text = "Code: " + lobby;
                 ReloadMenu();
             }
         }
@@ -94,7 +120,7 @@ public class MainMenuController : MonoBehaviour {
 
     public void LeaveLobby() {
         var conn = Client.GetConnection();
-        if (conn == null) {
+        if (conn != null) {
             var lobby = conn.GetLobby();
             if (lobby != null) {
                 //conn.LeaveLobby();
@@ -108,22 +134,34 @@ public class MainMenuController : MonoBehaviour {
 
     public void ReloadMenu() {
         if(serverMenu.activeSelf) {
-            for (int i = serverMenu.transform.GetChild(2).GetChild(0).childCount-1; i >= 1 ; i--) {
+            for (int i = serverScroll.transform.childCount-1; i >= 1 ; i--) {
-                DestroyImmediate(serverMenu.transform.GetChild(2).GetChild(0).GetChild(i).gameObject);
+                DestroyImmediate(serverScroll.transform.GetChild(i).gameObject);
             }
             // Simulate Lobbies in a Server
             for (int i = 0; i < Random.Range(2, 15); i++) {
-                var lobby = Instantiate(serverMenu.transform.GetChild(2).GetChild(0).GetChild(0), serverMenu.transform.GetChild(2).GetChild(0));
+                var lobby = Instantiate(serverScroll.transform.GetChild(0), serverScroll.transform);
                 lobby.GetComponentInChildren<Text>().text = "LBY" + Random.Range(0, 10) + Random.Range(0, 10) + Random.Range(0, 10);
                 lobby.gameObject.SetActive(true);
             }
+            serverName.text = Client.GetConnection().Name();
             serverMenu.GetComponentInChildren<Scrollable>().Reload();
         }
         if (lobbyMenu.activeSelf) {
-            for (int i = lobbyMenu.transform.GetChild(2).GetChild(0).childCount-1; i >= 1; i--) {
+            for (int i = lobbyScroll.transform.childCount-1; i >= 1; i--) {
-                DestroyImmediate(lobbyMenu.transform.GetChild(2).GetChild(0).GetChild(i).gameObject);
+                DestroyImmediate(lobbyScroll.transform.GetChild(i).gameObject);
             }
             // Add Lobby Games to list when function exists
+            var conn = Client.GetConnection();
+            if(conn != null) {
+                var games = conn.getGames();
+                foreach(Game.Game game in games) {
+                    var gameGO = Instantiate(lobbyScroll.transform.GetChild(0), lobbyScroll.transform);
+                    gameGO.GetComponentsInChildren<Text>()[0].text = game.Name;
+                    gameGO.GetComponentsInChildren<Text>()[1].text = game.Version;
+                    gameGO.GetComponentsInChildren<Text>()[2].text = string.Join(", ", game.Authors);
+                    gameGO.gameObject.SetActive(true);
+                }
+            }
             lobbyMenu.GetComponentInChildren<Scrollable>().Reload();
         }
     }

unity/Assets/Scripts/Popup.cs

@@ -0,0 +1,9 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Popup : MonoBehaviour {
+    public void Close() {
+        Destroy(gameObject);
+    }
+}

unity/Assets/Scripts/Popup.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6c15065aa0bb2554e806fb03cc7cc73f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

unity/Assets/Scripts/Scrollable.cs

@@ -4,14 +4,13 @@ using UnityEngine;
 using UnityEngine.UI;
 
 public class Scrollable : MonoBehaviour {
-    public const float size = 35f;
+    public int ignoreElements = 0;
     void Start() {
         Reload();
     }
     
     public void Reload() {
-        var sizeY = (transform.childCount-1) * (transform.GetChild(0).GetComponent<RectTransform>().sizeDelta.y + GetComponent<VerticalLayoutGroup>().spacing);
+        var sizeY = (transform.childCount-ignoreElements) * (transform.GetChild(0).GetComponent<RectTransform>().sizeDelta.y + GetComponent<VerticalLayoutGroup>().spacing);
-        Debug.Log(transform.childCount + "sizeY: "+sizeY);
         GetComponent<RectTransform>().offsetMax = Vector2.zero;
         GetComponent<RectTransform>().offsetMin = new Vector2(GetComponent<RectTransform>().offsetMin.x, transform.parent.GetComponent<RectTransform>().sizeDelta.y > sizeY ? 0 : -sizeY + transform.parent.GetComponent<RectTransform>().sizeDelta.y + GetComponent<VerticalLayoutGroup>().spacing);
     }

unity/Assets/Scripts/Utils.cs

@@ -0,0 +1,31 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public static class Utils {
+    public static GameObject FindRecursive(this GameObject go, string child) {
+        var foundChild = go.transform.Find(child);
+        if (foundChild != null) {
+            return foundChild.gameObject;
+        }else {
+            var found = false;
+            GameObject newChild = null;
+            foreach (Transform newGo in go.transform) {
+                if (newGo.childCount > 0)
+                    newChild = newGo.gameObject.FindRecursive(child);
+                found = child == newChild?.name;
+                if (found)
+                    break;
+            }
+            if (found)
+                return newChild;
+            else
+                return null;
+        }
+    }
+
+    public static Transform FindRecursive(this Transform transform, string child) {
+        var foundChild = transform.gameObject.FindRecursive(child);
+        return foundChild != null ? foundChild.transform : null;
+    }
+}

unity/Assets/Scripts/Utils.cs.meta

@@ -0,0 +1,11 @@
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+guid: 62d4236ed3a5fe045bfb5f0670d7bca1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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