Replicated the weapon flying tick setup using resources

addons/forge/resources/ForgeSharedVariableSet.cs

@@ -0,0 +1,65 @@
+// Copyright © Gamesmiths Guild.
+
+using Gamesmiths.Forge.Core;
+using Gamesmiths.Forge.Godot.Resources.Statescript;
+using Gamesmiths.Forge.Statescript;
+using Godot;
+using Godot.Collections;
+
+namespace Gamesmiths.Forge.Godot.Resources;
+
+/// <summary>
+/// Resource containing a collection of shared variable definitions for an entity. Assign this to a
+/// <see cref="Nodes.ForgeEntity"/> (or custom <see cref="IForgeEntity"/> implementation) to define which shared
+/// variables the entity exposes at runtime.
+/// </summary>
+[Tool]
+[GlobalClass]
+[Icon("uid://cu6ncpuumjo20")]
+public partial class ForgeSharedVariableSet : Resource
+{
+	/// <summary>
+	/// Gets or sets the shared variable definitions.
+	/// </summary>
+	[Export]
+	public Array<ForgeSharedVariableDefinition> Variables { get; set; } = [];
+
+	/// <summary>
+	/// Populates a <see cref="Variables"/> bag with all the definitions in this set, using each variable's name and
+	/// initial value.
+	/// </summary>
+	/// <param name="target">The <see cref="Variables"/> instance to populate.</param>
+	public void PopulateVariables(Variables target)
+	{
+		foreach (ForgeSharedVariableDefinition definition in Variables)
+		{
+			if (string.IsNullOrEmpty(definition.VariableName))
+			{
+				continue;
+			}
+
+			var key = new StringKey(definition.VariableName);
+
+			if (definition.IsArray)
+			{
+				var initialValues = new Variant128[definition.InitialArrayValues.Count];
+				for (var i = 0; i < definition.InitialArrayValues.Count; i++)
+				{
+					initialValues[i] = StatescriptVariableTypeConverter.GodotVariantToForge(
+						definition.InitialArrayValues[i],
+						definition.VariableType);
+				}
+
+				target.DefineArrayVariable(key, initialValues);
+			}
+			else
+			{
+				Variant128 value = StatescriptVariableTypeConverter.GodotVariantToForge(
+					definition.InitialValue,
+					definition.VariableType);
+
+				target.DefineVariable(key, value);
+			}
+		}
+	}
+}