Fix lib bug, check game exe more, preview support

Fixed the game folder method returning the library file
Checking the game's exe when starting
Added support for the preview branch of the game
Added support for preview versions of mods

GCMM/MainForm.cs

@@ -54,7 +54,7 @@ If you encounter an issue while the game is patched, report it to us. If you thi
             modlist.Items.Clear();
             UpdateButton(installbtn, false);
             modinfobox.Text = defaultInfo;
-            if (string.IsNullOrWhiteSpace(Settings.Default.GamePath))
+            if (string.IsNullOrWhiteSpace(Settings.Default.GamePath) || GetExe() == null)
             {
                 Settings.Default.GamePath = GetGameFolder();
                 if (string.IsNullOrWhiteSpace(Settings.Default.GamePath))
@@ -114,9 +114,9 @@ If you encounter an issue while the game is patched, report it to us. If you thi
                             if(up)
                             {
                                 modinfobox.Select(0, "New version available!".Length);
-                                modinfobox.SelectionColor = Color.Aqua;
-                                modinfobox.DeselectAll();
-                                modinfobox.SelectionColor = modinfobox.ForeColor;
+                                //modinfobox.SelectionColor = Color.Aqua;
+                                //modinfobox.DeselectAll();
+                                //modinfobox.SelectionColor = modinfobox.ForeColor;
                             }
                         }
                         else
@@ -170,7 +170,7 @@ If you encounter an issue while the game is patched, report it to us. If you thi
         {
             if (Environment.OSVersion.Platform == PlatformID.Win32NT)
             {
-                Process.Start("explorer.exe", "/select,"+Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + @"Low\Freejam\Gamecraft\Player.log");
+                Process.Start("explorer.exe", $@"/select,{Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData)}Low\Freejam\{GetExe().Replace(".exe", "")}\Player.log");
             }
         }
 

GCMM/MainModInstaller.cs

@@ -16,7 +16,7 @@ namespace GCMM
         public async Task InstallMod(ModInfo mod)
         {
             if (mod.DownloadURL == null) return;
-            if (!File.Exists(GamePath(@"\Gamecraft.exe")))
+            if (GetExe() == null)
             {
                 MessageBox.Show("Gamecraft not found. Set the correct path in Settings.");
                 return;

GCMM/MainModList.cs

@@ -36,6 +36,7 @@ namespace GCMM
 
         public async void GetAvailableMods()
         {
+            bool preview = GetExe()?.Contains("Preview") ?? false;
             using (var client = GetClient())
             {
                 string str = await client.DownloadStringTaskAsync("https://exmods.org/mods/modlist.tsv");
@@ -48,21 +49,39 @@ namespace GCMM
                         Author = sp[0].Trim(),
                         Name = sp[1].Trim()
                     };
-                    if (await FetchModInfo(mod)) //If it's actually a mod
+                    if (await FetchModInfo(mod, preview)) //If it's actually a mod
                         AddUpdateModInList(mod);
                 }
             }
         }
 
-        public async Task<bool> FetchModInfo(ModInfo mod)
+        public async Task<bool> FetchModInfo(ModInfo mod, bool preview)
         {
             string repoURL = "/api/v1/repos/" + mod.Author + "/" + mod.Name + "/releases";
             using (var client = GetClient())
             {
                 var arr = JArray.Parse(await client.DownloadStringTaskAsync(repoURL));
-                var release = arr.FirstOrDefault(rel => !(bool)rel["prerelease"] && !(bool)rel["draft"]);
+                var release = arr.FirstOrDefault(rel =>
+                {
+                    if ((bool) rel["prerelease"] || (bool) rel["draft"])
+                        return false;
+                    var vs = rel["tag_name"].ToString();
+                    int ind = vs.IndexOf('-');
+                    if (ind != -1)
+                    {
+                        if (vs.Substring(ind + 1).Equals("preview", StringComparison.InvariantCultureIgnoreCase)
+                            && !preview)
+                            return false;
+                    }
+                    return true;
+                });
                 if (release == null)
                     return false;
+                var verstr = release["tag_name"].ToString().Replace("v", "");
+                int index = verstr.IndexOf('-');
+                if (index != -1)
+                    verstr = verstr.Substring(0, index);
+                
                 JToken asset;
                 if (release["assets"].Count() == 1)
                     asset = release["assets"].First;
@@ -72,9 +91,11 @@ namespace GCMM
                         string name = token["name"].ToString();
                         return name == mod.Name + ".dll" || name == mod.Name + ".zip";
                     });
+                
                 mod.DownloadURL = asset?["browser_download_url"]?.ToString();
                 mod.LastUpdated = (DateTime)release["published_at"];
-                var ver = release["tag_name"].ToString().Replace("v", "").Split('.').Select(str => int.Parse(str)).ToArray();
+
+                var ver = verstr.Split('.').Select(str => int.Parse(str)).ToArray();
                 int getver(byte i) => ver.Length > i ? ver[i] : 0; //By default it sets values not present to -1, but we need them to be 0
                 mod.LatestVersion = new Version(getver(0), getver(1), getver(2), getver(3));
                 mod.UpdateDetails = release["name"] + "\n\n" + release["body"].ToString();

GCMM/MainPatcher.cs

@@ -77,7 +77,7 @@ namespace GCMM
             }
             if (!status.Value ^ unpatched.Checked)
             { //TODO: Wine
-                var psi = new ProcessStartInfo(GamePath(@"\IPA.exe"), "Gamecraft.exe "
+                var psi = new ProcessStartInfo(GamePath(@"\IPA.exe"), GetExe() + " "
                     + (unpatched.Checked ? "--revert " : "") + "--nowait")
                 {
                     UseShellExecute = false,

GCMM/MainUtils.cs

@@ -38,7 +38,7 @@ namespace GCMM
                 libs = @"C:\Program Files (x86)\Steam\steamapps\libraryfolders.vdf";
             else
                 return null;
-            foreach (var line in File.ReadAllLines(libs).Concat(new[] { @"C:\Program Files (x86)\Steam\" }))
+            foreach (var line in File.ReadAllLines(libs).Concat(new[] {@"C:\Program Files (x86)\Steam\"}))
             {
                 var regex = new Regex("\\t\"\\d+\"\\t\\t\"(.+)\"");
                 var match = regex.Match(line);
@@ -46,18 +46,18 @@ namespace GCMM
                     continue;
                 string library = match.Groups[1].Value.Replace("\\\\", "\\");
                 library += @"\steamapps\common\";
-                if (File.Exists(library + @"Gamecraft\Gamecraft.exe"))
+                if (GetExe(library + "Gamecraft") != null)
                     return library + "Gamecraft";
-                if (File.Exists(library + @"RobocraftX\Gamecraft.exe"))
+                if (GetExe(library + "RobocraftX") != null)
                     return library + "RobocraftX";
             }
-            return libs;
+            return null;
         }
 
         public string SelectGameFolder()
         {
             var ofd = new OpenFileDialog();
-            ofd.Filter = "Gamecraft executable|Gamecraft.exe";
+            ofd.Filter = "Gamecraft executable|Gamecraft.exe|Gamecraft Preview executable|GamecraftPreview.exe";
             ofd.Title = "Game location";
             ofd.InitialDirectory = @"C:\Program Files (x86)\Steam\steamapps\common\"; //TODO
             ofd.CheckFileExists = true;
@@ -125,9 +125,24 @@ namespace GCMM
                 modlist_SelectedIndexChanged(modlist, null);
         }
 
-        public string GamePath(string path)
+        /// <summary>
+        /// Path must start with \
+        /// </summary>
+        /// <param name="path"></param>
+        /// <param name="gamepath"></param>
+        /// <returns></returns>
+        public string GamePath(string path, string gamepath = null)
+        {
+            return ((gamepath ?? Settings.Default.GamePath) + path).Replace('\\', Path.DirectorySeparatorChar);
+        }
+
+        public string GetExe(string path = null)
         {
-            return (Settings.Default.GamePath + path).Replace('\\', Path.DirectorySeparatorChar);
+            if (File.Exists(GamePath("\\Gamecraft.exe", path)))
+                return "Gamecraft.exe";
+            if (File.Exists(GamePath("\\GamecraftPreview.exe", path)))
+                return "GamecraftPreview.exe";
+            return null;
         }
     }
 }