Triggers can fire on character sheet checks

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

@@ -11,46 +11,18 @@ export default function applyTriggers(node, { creature, targets, scope, log }, t
   const type = prop.type;
   if (creature.triggers?.[type]?.[timing]) {
     creature.triggers[type][timing].forEach(trigger => {
-      if (triggerMatchTags(trigger, prop)) {
-        applyTrigger(trigger, { creature, targets, scope, log });
-      }
+      applyTrigger(trigger, { creature, prop, targets, scope, log });
     });
   }
 }
 
-function triggerMatchTags(trigger, prop) {
-  let matched = false;
-  const propTags = getEffectivePropTags(prop);
-  // Check the target tags
-  if (
-    !trigger.targetTags?.length ||
-    difference(trigger.targetTags, propTags).length === 0
-  ) {
-    matched = true;
+export function applyTrigger(trigger, { creature, prop, targets, scope, log }) {
+  // If there is a prop we are applying the trigger from,
+  // don't fire if the tags don't match
+  if (!triggerMatchTags(trigger, prop)) {
+    return;
   }
-  // Check the extra tags
-  trigger.extraTags?.forEach(extra => {
-    if (extra.operation === 'OR') {
-      if (matched) return;
-      if (
-        !extra.tags.length ||
-        difference(extra.tags, propTags).length === 0
-      ) {
-        matched = true;
-      }
-    } else if (extra.operation === 'NOT') {
-      if (
-        extra.tags.length &&
-        intersection(extra.tags, propTags)
-      ) {
-        return false;
-      }
-    }
-  });
-  return matched;
-}
 
-export function applyTrigger(trigger, { creature, targets, scope, log }) {
   // Prevent trigger from firing if it's inactive
   if (trigger.inactive) {
     return;
@@ -102,3 +74,35 @@ export function applyTrigger(trigger, { creature, targets, scope, log }) {
 
   trigger.firing = false;
 }
+
+function triggerMatchTags(trigger, prop) {
+  let matched = false;
+  const propTags = getEffectivePropTags(prop);
+  // Check the target tags
+  if (
+    !trigger.targetTags?.length ||
+    difference(trigger.targetTags, propTags).length === 0
+  ) {
+    matched = true;
+  }
+  // Check the extra tags
+  trigger.extraTags?.forEach(extra => {
+    if (extra.operation === 'OR') {
+      if (matched) return;
+      if (
+        !extra.tags.length ||
+        difference(extra.tags, propTags).length === 0
+      ) {
+        matched = true;
+      }
+    } else if (extra.operation === 'NOT') {
+      if (
+        extra.tags.length &&
+        intersection(extra.tags, propTags)
+      ) {
+        return false;
+      }
+    }
+  });
+  return matched;
+}

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

@@ -3,10 +3,15 @@ import { ValidatedMethod } from 'meteor/mdg:validated-method';
 import { RateLimiterMixin } from 'ddp-rate-limiter-mixin';
 import getRootCreatureAncestor from '/imports/api/creature/creatureProperties/getRootCreatureAncestor.js';
 import CreatureProperties from '/imports/api/creature/creatureProperties/CreatureProperties.js';
+import {
+  getPropertiesOfType, getVariables
+} from '/imports/api/engine/loadCreatures.js';
+import { groupBy, remove } from 'lodash';
 import { CreatureLogSchema, insertCreatureLogWork } from '/imports/api/creature/log/CreatureLogs.js';
 import { assertEditPermission } from '/imports/api/creature/creatures/creaturePermissions.js';
 import rollDice from '/imports/parser/rollDice.js';
 import numberToSignedString from '/imports/ui/utility/numberToSignedString.js';
+import { applyTrigger } from '/imports/api/engine/actions/applyTriggers.js';
 
 const doCheck = new ValidatedMethod({
   name: 'creatureProperties.doCheck',
@@ -45,12 +50,40 @@ export function doCheckWork({
     creatureName: creature.name,
   });
 
+  // Add the variables to the creature document
+  const variables = getVariables(creature._id);
+  delete variables._id;
+  delete variables._creatureId;
+  creature.variables = variables;
+  const scope = creature.variables;
+
+  // Get the triggers
+  let triggers = getPropertiesOfType(creature._id, 'trigger');
+  remove(triggers, trigger => trigger.event !== 'check');
+  triggers = groupBy(triggers, 'timing');
+
+  // Set the creature as the target
+  const targets = [creature];
+
+  applyTriggers(triggers, 'before', { creature, prop, targets, scope, log });
   rollCheck({prop, log, methodScope});
+  applyTriggers(triggers, 'after', { creature, prop, targets, scope, log });
 
   // Insert the log
   insertCreatureLogWork({log, creature, method});
 }
 
+function applyTriggers(triggers, timing, opts) {
+  // Get matching triggers
+  let selectedTriggers = triggers[timing] || [];
+  // Sort the triggers
+  selectedTriggers.sort((a, b) => a.order - b.order);
+  // Apply the triggers
+  selectedTriggers.forEach(trigger => {
+    applyTrigger(trigger, opts)
+  });
+}
+
 function rollCheck({prop, log, methodScope}){
   // get the modifier for the roll
   let rollModifier;

app/imports/api/properties/Triggers.js

@@ -5,6 +5,7 @@ import STORAGE_LIMITS from '/imports/constants/STORAGE_LIMITS.js';
 const eventOptions = {
   doActionProperty: 'Do action',
   // receiveActionProperty: 'Receiving action property',
+  check: 'Roll check',
   // flipToggle: 'Toggle changed',
   // adjustProperty: 'Attribute adjusted',
   anyRest: 'Short or long rest',
@@ -26,6 +27,7 @@ const actionPropertyTypeOptions = {
   note: 'Note',
   roll: 'Roll',
   savingThrow: 'Saving throw',
+  spell: 'Spell',
   toggle: 'Toggle',
 }