Mission selector allows better browsing of campaigns

project/code/TMV/InstallPaths.cs

@@ -0,0 +1,50 @@
+using System.IO;
+using Godot;
+
+namespace KeepersCompound.TMV;
+
+// TODO: Error handling lol
+public class InstallPaths
+{
+    public string rootPath;
+    public string famPath;
+    public string omsPath;
+    public string fmsPath;
+
+    public InstallPaths(string root)
+    {
+        var searchOptions = new EnumerationOptions
+        {
+            MatchCasing = MatchCasing.CaseInsensitive,
+            RecurseSubdirectories = true
+        };
+
+        rootPath = root;
+        famPath = Directory.GetFiles(rootPath, "fam.crf", searchOptions)[0];
+        var installCfgPath = Directory.GetFiles(rootPath, "install.cfg", searchOptions)[0];
+        GD.Print($"Install.cfg: {installCfgPath}");
+        foreach (var line in File.ReadLines(installCfgPath))
+        {
+            if (line.StartsWith("load_path"))
+            {
+                var path = line.Split(" ")[1].Replace("\\", "/");
+                omsPath = Path.GetFullPath(rootPath + path);
+                break;
+            }
+        }
+
+        var camModPath = Directory.GetFiles(rootPath, "cam_mod.ini", searchOptions)[0];
+        fmsPath = rootPath + "/FMs";
+        foreach (var line in File.ReadLines(camModPath))
+        {
+            if (line.StartsWith("fm_path"))
+            {
+                var path = line.Split(" ")[1].Replace("\\", "/");
+                fmsPath = Path.GetFullPath(rootPath + path);
+                break;
+            }
+        }
+
+        GD.Print($"OMs Path: {omsPath}");
+    }
+}

project/code/TMV/TextureLoader.cs

@@ -60,6 +60,7 @@ public partial class TextureLoader
 
     public bool Load(int id, string path)
     {
+        // TODO: Handle lowercase .pcx :)
         var userTexturesPath = ProjectSettings.GlobalizePath($"user://textures{path}.PCX");
 
         var loaded = false;

project/code/TMV/UI/MissionSelector.cs

@@ -1,4 +1,5 @@
 using System.IO;
+using System.Linq;
 using Godot;
 
 namespace KeepersCompound.TMV.UI;
@@ -8,26 +9,33 @@ public partial class MissionSelector : Control
 	[Signal]
 	public delegate void LoadMissionEventHandler(string path);
 
+	private InstallPaths _installPaths;
+
 	private FileDialog _FolderSelect;
 	private LineEdit _FolderPath;
 	private Button _BrowseButton;
+	private ItemList _Campaigns;
 	private ItemList _Missions;
 	private Button _LoadButton;
 	private Button _CancelButton;
 
 	public override void _Ready()
 	{
+		// TODO: Load initial folderpath from config and prefil everything
+
 		_FolderSelect = GetNode<FileDialog>("%FolderSelect");
 		_FolderPath = GetNode<LineEdit>("%FolderPath");
 		_BrowseButton = GetNode<Button>("%BrowseButton");
+		_Campaigns = GetNode<ItemList>("%Campaigns");
 		_Missions = GetNode<ItemList>("%Missions");
 		_LoadButton = GetNode<Button>("%LoadButton");
 		_CancelButton = GetNode<Button>("%CancelButton");
 
 		_BrowseButton.Pressed += () => _FolderSelect.Visible = true;
-		_FolderSelect.DirSelected += (string dir) => { _FolderPath.Text = dir; BuildMissionList(dir); };
+		_FolderSelect.DirSelected += (string dir) => { _FolderPath.Text = dir; BuildCampaignList(dir); };
-		_FolderPath.TextSubmitted += BuildMissionList;
+		_FolderPath.TextSubmitted += BuildCampaignList;
 		_Missions.ItemSelected += (long _) => _LoadButton.Disabled = false;
+		_Campaigns.ItemSelected += BuildMissionList;
 		_LoadButton.Pressed += EmitLoadMission;
 		_CancelButton.Pressed += () => Visible = false;
 	}
@@ -43,6 +51,21 @@ public partial class MissionSelector : Control
 		}
 	}
 
+	private void BuildCampaignList(string path)
+	{
+		_installPaths = new InstallPaths(path);
+
+		_Campaigns.Clear();
+		_Missions.Clear();
+		_LoadButton.Disabled = true;
+
+		_Campaigns.AddItem("Original Missions");
+		foreach (var c in Directory.GetDirectories(_installPaths.fmsPath))
+		{
+			_Campaigns.AddItem(c.TrimPrefix(_installPaths.fmsPath));
+		}
+	}
+
 	private void BuildMissionList(string path)
 	{
 		_Missions.Clear();
@@ -56,17 +79,43 @@ public partial class MissionSelector : Control
 		}
 	}
 
+	private void BuildMissionList(long idx)
+	{
+		_Missions.Clear();
+		_LoadButton.Disabled = true;
+
+		var campaignPath = "";
+		if (idx == 0)
+		{
+			campaignPath = _installPaths.omsPath;
+		}
+		else
+		{
+			campaignPath = _installPaths.fmsPath + _Campaigns.GetItemText((int)idx);
+		}
+
+		string[] extensions = { "mis", "cow" };
+		campaignPath = idx == 0 ? _installPaths.omsPath : _installPaths.fmsPath + _Campaigns.GetItemText((int)idx);
+		foreach (var f in Directory.GetFiles(campaignPath))
+		{
+			if (extensions.Contains(f.GetExtension().ToLower()))
+			{
+				_Missions.AddItem(f.TrimPrefix(campaignPath));
+			}
+		}
+	}
+
 	private void EmitLoadMission()
 	{
+		var selectedCampaign = _Campaigns.GetSelectedItems()[0];
 		var selected = _Missions.GetSelectedItems();
 		if (selected.IsEmpty())
 		{
 			return;
 		}
 
-		var item = _Missions.GetItemText(selected[0]);
+		var campaignPath = selectedCampaign == 0 ? _installPaths.omsPath : _installPaths.fmsPath + _Campaigns.GetItemText(selectedCampaign);
-		var basePath = _FolderPath.Text;
+		var path = campaignPath + _Missions.GetItemText(selected[0]);
-		var path = basePath + item;
 		EmitSignal(SignalName.LoadMission, path);
 
 		Visible = false;

project/scenes/ui/mission_selector.tscn

@@ -6,7 +6,6 @@
 font_size = 20
 
 [node name="MissionSelector" type="Control"]
-visible = false
 layout_mode = 3
 anchors_preset = 8
 anchor_left = 0.5
@@ -28,7 +27,7 @@ access = 2
 use_native_dialog = true
 
 [node name="PanelContainer" type="PanelContainer" parent="."]
-custom_minimum_size = Vector2(460, 0)
+custom_minimum_size = Vector2(640, 0)
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
@@ -75,10 +74,20 @@ unique_name_in_owner = true
 layout_mode = 2
 text = "Browse"
 
-[node name="Missions" type="ItemList" parent="PanelContainer/MarginContainer/VBoxContainer"]
+[node name="HBoxContainer" type="HBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="Campaigns" type="ItemList" parent="PanelContainer/MarginContainer/VBoxContainer/HBoxContainer"]
 unique_name_in_owner = true
 custom_minimum_size = Vector2(0, 480)
 layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Missions" type="ItemList" parent="PanelContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(0, 480)
+layout_mode = 2
+size_flags_horizontal = 3
 
 [node name="Buttons" type="HBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
 layout_mode = 2