Sync robot enc

module/models/robot.mjs

@@ -49,7 +49,19 @@ export default class FTLNomadRobot extends foundry.abstract.TypeDataModel {
 
   prepareDerivedData() {
     super.prepareDerivedData();
-
+    let encMax = this.durability + (2 * this.skills.physical.value)
+    if (encMax !== this.enc.max) {
+      this.enc.max = encMax
+    }
+    let enc = 0
+    for (let i of this.parent.items) {
+      if (i.system?.enc) {
+        enc += i.system.enc
+      }
+    }
+    if (enc !== this.enc.value) {
+      this.enc.value = enc
+    }
   }
 
   isEncumbered() {