Lots more work on implementing battling

PkmnLib.Dynamic/ScriptHandling/ScriptResolver.cs

@@ -0,0 +1,41 @@
+using System.Diagnostics.CodeAnalysis;
+using PkmnLib.Static;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Dynamic.ScriptHandling;
+
+/// <summary>
+/// Class responsible for the creation of <see cref="Script"/> instances.
+/// </summary>
+public class ScriptResolver
+{
+    private Dictionary<(ScriptCategory, StringKey), Func<Script>> _scriptCtors;
+
+    /// <inheritdoc cref="ScriptResolver"/>
+    public ScriptResolver(Dictionary<(ScriptCategory, StringKey), Func<Script>> scriptCtors)
+    {
+        _scriptCtors = scriptCtors;
+    }
+    
+    /// <summary>
+    /// Try and create a new script for the given category and key. If the script does not exist, return false.
+    /// </summary>
+    public bool TryResolve(ScriptCategory category, StringKey key, [MaybeNullWhen(false)] out Script script)
+    {
+        if (!_scriptCtors.TryGetValue((category, key), out var scriptCtor))
+        {
+            script = null;
+            return false;
+        }
+        script = scriptCtor();
+        return true;
+    }
+    
+    /// <summary>
+    /// Try and resolve an item script for the given item. If the item does not have a script, return false.
+    /// </summary>
+    public bool TryResolveItemScript(IItem item, [MaybeNullWhen(false)] out Script script)
+    {
+        throw new NotImplementedException();
+    }
+}