RC-110 | Prevent Armour/Shield Equipping based on slots

module/data/Item/Shield.mjs

@@ -0,0 +1,19 @@
+import { ArmourData } from "./Armour.mjs";
+import { Logger } from "../../utils/Logger.mjs";
+
+export class ShieldData extends ArmourData {
+	_canEquip() {
+		const parent = this.parent;
+		if (!parent.isEmbedded || !(parent.parent instanceof Actor)) {
+			Logger.error(`Unable to equip item when it's not embedded`);
+			return false;
+		};
+
+		const shield = parent.parent.system.equippedShield;
+		if (shield) {
+			Logger.error(`Unable to equip multiple shields`);
+			return false;
+		};
+		return true;
+	};
+};