mod reordering, deleting, conflict resolution, some other fixes

Penumbra/Mods/ResourceMod.cs

@@ -0,0 +1,54 @@
+using System.Collections.Generic;
+using System.IO;
+using Dalamud.Plugin;
+using Penumbra.Models;
+
+namespace Penumbra.Mods
+{
+    public class ResourceMod
+    {
+        public ModMeta Meta { get; set; }
+
+        public DirectoryInfo ModBasePath { get; set; }
+
+        public List< FileInfo > ModFiles { get; } = new();
+
+        public Dictionary< string, List< string > > FileConflicts { get; set; } = new();
+
+        public void RefreshModFiles()
+        {
+            if( ModBasePath == null )
+            {
+                PluginLog.LogError( "no basepath has been set on {ResourceModName}", Meta.Name );
+                return;
+            }
+
+            // we don't care about any _files_ in the root dir, but any folders should be a game folder/file combo
+            foreach( var dir in ModBasePath.EnumerateDirectories() )
+            {
+                foreach( var file in dir.EnumerateFiles( "*.*", SearchOption.AllDirectories ) )
+                {
+                    ModFiles.Add( file );
+                }
+            }
+        }
+
+        public void AddConflict( string modName, string path )
+        {
+            if( FileConflicts.TryGetValue( modName, out var arr ) )
+            {
+                if( !arr.Contains( path ) )
+                {
+                    arr.Add( path );
+                }
+
+                return;
+            }
+
+            FileConflicts[ modName ] = new List< string >
+            {
+                path
+            };
+        }
+    }
+}