Fixed some bugs with characters not recomputing

TODO: remove .variables cache from creature document, it's not viable

app/imports/api/engine/actions/applyPropertyByType/applyDamage.js

@@ -18,10 +18,9 @@ export default function applyDamage(node, {
   const prop = node.node;
 
   // Skip if there is no parse node to work with
-  if (!prop.amount.parseNode) return;
+  if (!prop.amount?.parseNode) return;
 
   // Choose target
-
   let damageTargets = prop.target === 'self' ? [creature] : targets;
   // Determine if the hit is critical
   let criticalHit = scope['$criticalHit']?.value &&

app/imports/api/engine/actions/doAction.js

@@ -79,7 +79,7 @@ const doAction = new ValidatedMethod({
     Creatures.update({
       _id: { $in: [creature._id, ...targetIds] }
     }, {
-      dirty: true
+      $set: {dirty: true},
     });
   },
 });

app/imports/api/engine/actions/doCastSpell.js

@@ -133,7 +133,7 @@ const doAction = new ValidatedMethod({
     Creatures.update({
       _id: { $in: [creature._id, ...targetIds] }
     }, {
-      dirty: true
+      $set: { dirty: true },
     });
   },
 });