Improve partymode loading (return bool instead of incomplete PM)

Vocaluxe/Base/CParty.cs

@@ -43,7 +43,6 @@ namespace Vocaluxe.Base
         public int PartyModeVersionMajor;
         public int PartyModeVersionMinor;
         public string TargetAudience;
-        public bool NoErrors;
         public IPartyMode PartyMode;
     }
     #endregion Structs
@@ -53,7 +52,7 @@ namespace Vocaluxe.Base
         private const int _PartyModeSystemVersion = 1;
 
         private static Dictionary<int, SPartyMode> _PartyModes;
-        private static Queue<int> _IDs;
+        private static int _NextID;
 
         private static int _NormalGameModeID;
         private static SPartyMode _CurrentPartyMode;
@@ -62,15 +61,12 @@ namespace Vocaluxe.Base
         public static void Init()
         {
             _PartyModes = new Dictionary<int, SPartyMode>();
-            _IDs = new Queue<int>(1000);
-
-            for (int i = 0; i < 1000; i++)
-                _IDs.Enqueue(i);
+            _NextID = 0;
 
             //add dummy normal game mode and set it as default
             var pm = new SPartyMode {PartyMode = new CPartyModeNone(), ScreenFiles = new List<string>()};
             pm.PartyMode.Initialize();
-            pm.PartyModeID = _IDs.Dequeue();
+            pm.PartyModeID = _NextID++;
             _NormalGameModeID = pm.PartyModeID;
             _PartyModes.Add(pm.PartyModeID, pm);
             _CurrentPartyMode = pm;
@@ -123,7 +119,6 @@ namespace Vocaluxe.Base
                                 Description = mode.Description,
                                 Name = mode.Name,
                                 PartyModeID = mode.PartyModeID,
-                                Playable = mode.NoErrors,
                                 VersionMajor = mode.PartyModeVersionMajor,
                                 VersionMinor = mode.PartyModeVersionMinor,
                                 TargetAudience = mode.TargetAudience,
@@ -230,51 +225,51 @@ namespace Vocaluxe.Base
 
             foreach (string file in files)
             {
-                SPartyMode pm = _LoadPartyMode(file);
-                if (pm.NoErrors)
+                SPartyMode pm;
+                if (_LoadPartyMode(file, out pm))
                     _PartyModes.Add(pm.PartyModeID, pm);
             }
         }
 
-        private static SPartyMode _LoadPartyMode(string file)
+        private static bool _LoadPartyMode(string file, out SPartyMode pm)
         {
-            var pm = new SPartyMode {PartyModeID = _IDs.Dequeue(), ScreenFiles = new List<string>(), NoErrors = false};
+            pm = new SPartyMode {PartyModeID = _NextID++, ScreenFiles = new List<string>()};
 
             CXMLReader xmlReader = CXMLReader.OpenFile(file);
 
             //Error...
             if (xmlReader == null)
-                return pm;
+                return false;
 
             bool loaded = true;
 
             loaded &= xmlReader.TryGetIntValue("//root/PartyModeSystemVersion", ref pm.PartyModeSystemVersion);
-            loaded &= xmlReader.GetValue("//root/Info/Name", out pm.Name, "ERROR Name");
-            loaded &= xmlReader.GetValue("//root/Info/Description", out pm.Description, "ERROR Description");
-            loaded &= xmlReader.GetValue("//root/Info/Author", out pm.Author, "ERROR Author");
-            loaded &= xmlReader.GetValue("//root/Info/Folder", out pm.Folder, "ERROR Folder");
-            loaded &= xmlReader.GetValue("//root/Info/PartyModeFile", out pm.PartyModeFile, "ERROR PartyModeFile");
+            loaded &= xmlReader.GetValue("//root/Info/Name", out pm.Name);
+            loaded &= xmlReader.GetValue("//root/Info/Description", out pm.Description);
+            loaded &= xmlReader.GetValue("//root/Info/Author", out pm.Author);
+            loaded &= xmlReader.GetValue("//root/Info/Folder", out pm.Folder);
+            loaded &= xmlReader.GetValue("//root/Info/PartyModeFile", out pm.PartyModeFile);
             loaded &= xmlReader.TryGetIntValue("//root/Info/PartyModeVersionMajor", ref pm.PartyModeVersionMajor);
             loaded &= xmlReader.TryGetIntValue("//root/Info/PartyModeVersionMinor", ref pm.PartyModeVersionMinor);
-            loaded &= xmlReader.GetValue("//root/Info/TargetAudience", out pm.TargetAudience, "ERROR TargetAudience");
+            loaded &= xmlReader.GetValue("//root/Info/TargetAudience", out pm.TargetAudience);
             loaded &= xmlReader.GetValues("//root/PartyScreens/*", ref pm.ScreenFiles);
 
             if (!loaded)
             {
                 CLog.LogError("Error loading PartyMode file: " + file);
-                return pm;
+                return false;
             }
 
             if (pm.PartyModeSystemVersion != _PartyModeSystemVersion)
             {
                 CLog.LogError("Error loading PartyMode file (wrong PartyModeSystemVersion): " + file);
-                return pm;
+                return false;
             }
 
             if (pm.ScreenFiles.Count == 0)
             {
                 CLog.LogError("Error loading PartyMode file (no ScreenFiles found): " + file);
-                return pm;
+                return false;
             }
 
             string pathToPm = Path.Combine(CSettings.ProgramFolder, CSettings.FolderNamePartyModes, pm.Folder);
@@ -285,19 +280,19 @@ namespace Vocaluxe.Base
 
             Assembly output = _CompileFiles(filesToCompile.ToArray());
             if (output == null)
-                return pm;
+                return false;
 
             if (!CLanguage.LoadPartyLanguageFiles(pm.PartyModeID, Path.Combine(pathToPm, CSettings.FolderNamePartyModeLanguages)))
             {
                 CLog.LogError("Error loading language files for PartyMode: " + file);
-                return pm;
+                return false;
             }
 
             object instance = output.CreateInstance(typeof(IPartyMode).Namespace + "." + pm.Folder + "." + pm.PartyModeFile);
             if (instance == null)
             {
                 CLog.LogError("Error creating Instance of PartyMode file: " + file);
-                return pm;
+                return false;
             }
 
             try
@@ -307,16 +302,16 @@ namespace Vocaluxe.Base
             catch (Exception e)
             {
                 CLog.LogError("Error casting PartyMode file: " + file + "; " + e.Message);
-                return pm;
+                return false;
             }
             pm.PartyMode.Initialize();
             pm.PartyMode.SetFolder(pathToPm);
 
             if (!CThemes.ReadThemesFromFolder(Path.Combine(pathToPm, CSettings.FolderNameThemes), pm.PartyModeID))
-                return pm;
+                return false;
 
             if (!CThemes.LoadPartymodeTheme(pm.PartyModeID))
-                return pm;
+                return false;
 
             foreach (string screenfile in pm.ScreenFiles)
             {
@@ -332,11 +327,10 @@ namespace Vocaluxe.Base
                     pm.PartyMode.AddScreen(screen, screenfile);
                 }
                 else
-                    return pm;
+                    return false;
             }
 
-            pm.NoErrors = true;
-            return pm;
+            return true;
         }
 
         private static Assembly _CompileFiles(string[] files)

Vocaluxe/Screens/CScreenParty.cs

@@ -173,13 +173,7 @@ namespace Vocaluxe.Screens
             _Texts[_TextVersion].Text = _PartyModeInfos[index].VersionMajor + "." + _PartyModeInfos[index].VersionMinor;
             _Texts[_TextVersion].TranslationID = _PartyModeInfos[index].PartyModeID;
 
-            if (!_PartyModeInfos[index].Playable)
-            {
-                _Buttons[_ButtonStart].Visible = false;
-                _Texts[_TextError].Text = "TR_SCREENPARTY_ERROR";
-                _Texts[_TextError].Visible = true;
-            }
-            else if (CConfig.GetMaxNumMics() == 0)
+            if (CConfig.GetMaxNumMics() == 0)
             {
                 _Buttons[_ButtonStart].Visible = false;
                 _Texts[_TextError].Text = "TR_SCREENPARTY_ERROR_MICS";

VocaluxeLib/Menu/IMenuElement.cs

@@ -15,7 +15,6 @@
 // along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
 #endregion
 
-using System.Xml;
 using VocaluxeLib.Xml;
 
 namespace VocaluxeLib.Menu

VocaluxeLib/Structs.cs

@@ -371,7 +371,6 @@ namespace VocaluxeLib
         public int MinTeams;
 
         public string Author;
-        public bool Playable;
         public int VersionMajor;
         public int VersionMinor;
     }