removed stray console logging

Slot fillers removed from a library can no longer be added to a slot.
If a slot has limited space left, this will be reflected on the error 
finding slots message

app/.meteor/packages

@@ -3,7 +3,7 @@
 # 'meteor add' and 'meteor remove' will edit this file for you,
 # but you can also edit it by hand.
 
-accounts-password@1.6.0
+accounts-password@1.6.2
 accounts-ui@1.3.1
 random@1.2.0
 dburles:collection-helpers
@@ -13,7 +13,7 @@ momentjs:moment
 dburles:mongo-collection-instances
 percolate:migrations
 accounts-google@1.3.3
-email@1.2.3
+email@2.0.0
 meteorhacks:subs-manager
 chuangbo:marked
 meteor-base@1.4.0
@@ -38,7 +38,7 @@ ongoworks:speakingurl
 service-configuration@1.0.11
 google-config-ui@1.0.1
 dynamic-import@0.5.2
-ddp-rate-limiter@1.0.7
+ddp-rate-limiter@1.0.9
 rate-limit@1.0.9
 meteortesting:mocha
 mdg:validated-method

app/.meteor/release

@@ -1 +1 @@
-METEOR@1.10.2
+METEOR@1.11.1

app/.meteor/versions

@@ -1,7 +1,7 @@
-accounts-base@1.6.0
+accounts-base@1.7.0
 accounts-google@1.3.3
 accounts-oauth@1.2.0
-accounts-password@1.6.0
+accounts-password@1.6.2
 accounts-patreon@0.1.0
 accounts-ui@1.3.1
 accounts-ui-unstyled@1.4.2
@@ -10,7 +10,7 @@ akryum:vue-component@0.15.2
 akryum:vue-component-dev-client@0.4.7
 akryum:vue-component-dev-server@0.1.4
 akryum:vue-router2@0.2.3
-aldeed:collection2@3.0.6
+aldeed:collection2@3.2.1
 aldeed:schema-index@3.0.0
 allow-deny@1.1.0
 autoupdate@1.6.0
@@ -20,8 +20,8 @@ base64@1.0.12
 binary-heap@1.0.11
 blaze@2.3.4
 blaze-tools@1.0.10
-boilerplate-generator@1.7.0
+boilerplate-generator@1.7.1
-bozhao:link-accounts@2.1.1
+bozhao:link-accounts@2.2.1
 caching-compiler@1.2.2
 caching-html-compiler@1.1.3
 callback-hook@1.3.0
@@ -34,17 +34,17 @@ dburles:mongo-collection-instances@0.3.5
 ddp@1.4.0
 ddp-client@2.3.3
 ddp-common@1.4.0
-ddp-rate-limiter@1.0.7
+ddp-rate-limiter@1.0.9
-ddp-server@2.3.1
+ddp-server@2.3.2
 deps@1.0.12
 diff-sequence@1.1.1
-dynamic-import@0.5.2
+dynamic-import@0.5.3
 ecmascript@0.14.3
 ecmascript-runtime@0.7.0
-ecmascript-runtime-client@0.10.0
+ecmascript-runtime-client@0.11.0
-ecmascript-runtime-server@0.9.0
+ecmascript-runtime-server@0.10.0
 ejson@1.1.1
-email@1.2.3
+email@2.0.0
 es5-shim@4.8.0
 fetch@0.1.1
 geojson-utils@1.0.10
@@ -69,11 +69,11 @@ meteor@1.9.3
 meteor-base@1.4.0
 meteorhacks:picker@1.0.3
 meteorhacks:subs-manager@1.6.4
-meteortesting:browser-tests@1.3.3
+meteortesting:browser-tests@1.3.4
 meteortesting:mocha@1.1.5
 meteortesting:mocha-core@7.0.1
-mikowals:batch-insert@1.1.9
+mikowals:batch-insert@1.2.0
-minifier-css@1.5.0
+minifier-css@1.5.3
 minifier-js@2.6.0
 minimongo@1.6.0
 mobile-experience@1.1.0
@@ -81,14 +81,14 @@ mobile-status-bar@1.1.0
 modern-browsers@0.1.5
 modules@0.15.0
 modules-runtime@0.12.0
-momentjs:moment@2.24.0
+momentjs:moment@2.29.1
 mongo@1.10.0
 mongo-decimal@0.1.1
 mongo-dev-server@1.1.0
 mongo-id@1.0.7
 npm-bcrypt@0.9.3
-npm-mongo@3.7.0
+npm-mongo@3.8.1
-oauth@1.3.0
+oauth@1.3.2
 oauth2@1.3.0
 observe-sequence@1.0.16
 ongoworks:speakingurl@9.0.0
@@ -111,7 +111,7 @@ reactive-var@1.0.11
 reload@1.3.0
 retry@1.1.0
 routepolicy@1.1.0
-seba:minifiers-autoprefixer@1.1.2
+seba:minifiers-autoprefixer@1.2.1
 service-configuration@1.0.11
 session@1.2.0
 sha@1.0.9
@@ -119,7 +119,7 @@ shell-server@0.5.0
 simple:json-routes@2.1.0
 simple:rest@1.1.1
 simple:rest-method-mixin@1.0.1
-socket-stream-client@0.3.0
+socket-stream-client@0.3.1
 spacebars@1.0.15
 spacebars-compiler@1.1.3
 srp@1.1.0
@@ -133,6 +133,6 @@ templating-tools@1.1.2
 tmeasday:check-npm-versions@0.3.2
 tracker@1.2.0
 underscore@1.0.10
-url@1.3.0
+url@1.3.1
 webapp@1.9.1
 webapp-hashing@1.0.9

app/imports/api/creature/CreatureProperties.js

@@ -9,7 +9,7 @@ import { recomputeCreature } from '/imports/api/creature/computation/recomputeCr
 import LibraryNodes from '/imports/api/library/LibraryNodes.js';
 import Creatures from '/imports/api/creature/Creatures.js';
 import { assertEditPermission } from '/imports/api/sharing/sharingPermissions.js';
-import { softRemove } from '/imports/api/parenting/softRemove.js';
+import { softRemove, restore } from '/imports/api/parenting/softRemove.js';
 import SoftRemovableSchema from '/imports/api/parenting/SoftRemovableSchema.js';
 import propertySchemasIndex from '/imports/api/properties/computedPropertySchemasIndex.js';
 import {
@@ -19,8 +19,10 @@ import {
 } from '/imports/api/parenting/parenting.js';
 import {setDocToLastOrder} from '/imports/api/parenting/order.js';
 import { storedIconsSchema } from '/imports/api/icons/Icons.js';
+import { reorderDocs } from '/imports/api/parenting/order.js';
 
 import '/imports/api/creature/actions/doAction.js';
+import '/imports/api/creature/creatureProperties/manageEquipment.js';
 
 let CreatureProperties = new Mongo.Collection('creatureProperties');
 
@@ -43,7 +45,22 @@ let CreaturePropertySchema = new SimpleSchema({
   icon: {
     type: storedIconsSchema,
     optional: true,
-  }
+  },
+  // Denormalised flag if this property is inactive on the sheet for any reason
+  // Including being disabled, or a decendent of a disabled property
+  inactive: {
+    type: Boolean,
+    optional: true,
+    index: 1,
+  },
+  // Denormalised flag if this property was made inactive by an inactive
+  // ancestor. True if this property has an inactive ancestor even if this
+  // property is itself inactive
+  deactivatedByAncestor: {
+    type: Boolean,
+    optional: true,
+    index: 1,
+  },
 });
 
 for (let key in propertySchemasIndex){
@@ -73,6 +90,7 @@ function assertPropertyEditPermission(property, userId){
 function recomputeCreatures(property){
 	for (let ref of property.ancestors){
 		if (ref.collection === 'creatures') {
+      reorderDocs({collection: CreatureProperties, ancestorId: ref.id});
 			recomputeCreature.call({charId: ref.id});
 		}
 	}
@@ -197,7 +215,7 @@ const insertPropertyFromLibraryNode = new ValidatedMethod({
 const updateProperty = new ValidatedMethod({
   name: 'creatureProperties.update',
   validate({_id, path}){
-		if (!_id) return false;
+		if (!_id) throw new Meteor.Error('No _id', '_id is required');
 		// We cannot change these fields with a simple update
 		switch (path[0]){
 			case 'type':
@@ -247,6 +265,7 @@ export function damagePropertyWork({property, operation, value}){
     }, {
       selector: property
     });
+    return currentValue - damage;
   } else if (operation === 'increment'){
     let currentValue = property.value - (property.damage || 0);
     let currentDamage = property.damage;
@@ -260,9 +279,55 @@ export function damagePropertyWork({property, operation, value}){
     }, {
       selector: property
     });
+    return increment;
   }
 }
 
+const damagePropertiesByName = new ValidatedMethod({
+  name: 'CreatureProperties.damagePropertiesByName',
+  validate: new SimpleSchema({
+    creatureId: SimpleSchema.RegEx.Id,
+    variableName: {
+      type: String,
+    },
+    operation: {
+      type: String,
+      allowedValues: ['set', 'increment']
+    },
+    value: Number,
+  }).validator(),
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 20,
+    timeInterval: 5000,
+  },
+  run({creatureId, variableName, operation, value}) {
+		// Check permissions
+    let creature = Creatures.findOne(creatureId, {
+      fields: {
+        damageMultipliers: 1,
+        owner: 1,
+        readers: 1,
+        writers: 1,
+      },
+    });
+    assertEditPermission(creature, this.userId);
+    CreatureProperties.find({
+      'ancestors.id': creatureId,
+      variableName,
+      removed: {$ne: false},
+      inactive: {$ne: true},
+    }).forEach(property => {
+      // Check if property can take damage
+      let schema = CreatureProperties.simpleSchema(property);
+      if (!schema.allowsKey('damage')) return;
+      // Damage the property
+      damagePropertyWork({property: property, operation, value})
+    });
+    recomputeCreature.call({charId: creatureId});
+  }
+})
+
 const damageProperty = new ValidatedMethod({
   name: 'creatureProperties.damage',
   validate: new SimpleSchema({
@@ -295,6 +360,59 @@ const damageProperty = new ValidatedMethod({
   },
 });
 
+const dealDamage = new ValidatedMethod({
+  name: 'creatureProperties.dealDamage',
+  validate: new SimpleSchema({
+    creatureId: SimpleSchema.RegEx.Id,
+    damageType: {
+      type: String,
+    },
+    amount: Number,
+  }).validator(),
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 20,
+    timeInterval: 5000,
+  },
+  run({creatureId, damageType, amount}) {
+    let creature = Creatures.findOne(creatureId, {
+      fields: {
+        damageMultipliers: 1,
+        owner: 1,
+        readers: 1,
+        writers: 1,
+      },
+    });
+		// Check permissions
+    assertEditPermission(creature, this.userId);
+    let healthBars = CreatureProperties.find({
+      'ancestors.id': creatureId,
+      type: 'attribute',
+      attributeType:'healthBar',
+      removed: {$ne: true},
+      inactive: {$ne: true},
+    }, {
+      sort: {order: -1},
+    });
+    let multiplier = creature.damageMultipliers[damageType];
+    if (multiplier === undefined) multiplier = 1;
+    let totalDamage = Math.floor(amount * multiplier);
+    let damageLeft = totalDamage;
+    if (damageType === 'healing') damageLeft = -totalDamage;
+    healthBars.forEach(healthBar => {
+      if (damageLeft === 0) return;
+      let damageAdded = damagePropertyWork({
+        property: healthBar,
+        operation: 'increment',
+        value: damageLeft,
+      });
+      damageLeft -= damageAdded;
+    });
+    recomputeCreature.call({charId: creatureId});
+    return totalDamage;
+  },
+});
+
 export function adjustQuantityWork({property, operation, value}){
   // Check if property has quantity
   let schema = CreatureProperties.simpleSchema(property);
@@ -443,6 +561,23 @@ const softRemoveProperty = new ValidatedMethod({
 	}
 });
 
+const restoreProperty = new ValidatedMethod({
+	name: 'creatureProperties.restore',
+	validate: new SimpleSchema({
+		_id: SimpleSchema.RegEx.Id
+	}).validator(),
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 5,
+    timeInterval: 5000,
+  },
+	run({_id}){
+		let property = CreatureProperties.findOne(_id);
+    assertPropertyEditPermission(property, this.userId);
+		restore({_id, collection: CreatureProperties});
+		recomputeCreatures(property);
+	}
+});
 
 export default CreatureProperties;
 export {
@@ -451,10 +586,13 @@ export {
   duplicateProperty,
 	insertPropertyFromLibraryNode,
 	updateProperty,
+  dealDamage,
+  damagePropertiesByName,
 	damageProperty,
   adjustQuantity,
   selectAmmoItem,
 	pushToProperty,
 	pullFromProperty,
-	softRemoveProperty,
+  softRemoveProperty,
+	restoreProperty,
 };

app/imports/api/creature/Creatures.js

@@ -40,7 +40,12 @@ let CreatureSettingsSchema = new SimpleSchema({
     optional: true,
     min: 0,
     max: 1,
-  }
+  },
+  discordWebhook: {
+    type: String,
+    optional: true,
+    max: 200,
+  },
 });
 
 let CreatureSchema = new SimpleSchema({
@@ -91,6 +96,11 @@ let CreatureSchema = new SimpleSchema({
 		type: Number,
 		defaultValue: 0,
 	},
+  // Version of computation engine that was last used to compute this creature
+  computeVersion: {
+		type: String,
+    optional: true,
+	},
 	type: {
 		type: String,
 		defaultValue: 'pc',

app/imports/api/creature/actions/applyAction.js

@@ -1,5 +1,11 @@
 import spendResources from '/imports/api/creature/actions/spendResources.js'
+import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
 
-export default function applyAction({prop}){
+export default function applyAction({prop, creature}){
   spendResources(prop);
+  insertCreatureLog.call({
+    log: {
+      text: prop.name,
+      creatureId: creature._id},
+  });
 }

app/imports/api/creature/actions/applyAdjustment.js

@@ -0,0 +1,56 @@
+import evaluateString from '/imports/api/creature/computation/afterComputation/evaluateString.js';
+import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
+import { damagePropertiesByName } from '/imports/api/creature/CreatureProperties.js';
+
+export default function applyAdjustment({
+  prop,
+  creature,
+  targets,
+  actionContext
+}){
+  let damageTargets = prop.target === 'self' ? [creature] : targets;
+  let scope = {
+    ...creature.variables,
+    ...actionContext,
+  };
+  try {
+    var {result, errors} = evaluateString(prop.amount, scope, 'reduce');
+    if (typeof result !== 'number') {
+      return insertCreatureLog.call({ log: {
+        text: errors.join(', ') || 'Something went wrong',
+        creatureId: creature._id,
+      }});
+    }
+  } catch (e){
+    return insertCreatureLog.call({ log: {
+      text: e.toString(),
+      creatureId: creature._id,
+    }});
+  }
+  if (damageTargets) {
+    damageTargets.forEach(target => {
+      if (prop.target === 'each'){
+        result = evaluateString(prop.amount, scope, 'reduce');
+      }
+      damagePropertiesByName.call({
+        creatureId: target._id,
+        variableName: prop.stat,
+        operation: prop.operation || 'increment',
+        value: result
+      });
+      insertCreatureLog.call({
+        log: {
+          text: `${prop.stat} ${prop.operation === 'set' ? 'set to' : ''} ${-result}`,
+          creatureId: target._id,
+        }
+      });
+    });
+  } else {
+    insertCreatureLog.call({
+      log: {
+        text: `${prop.stat} ${prop.operation === 'set' ? 'set to' : ''} ${-result}`,
+        creatureId: creature._id,
+      }
+    });
+  }
+}

app/imports/api/creature/actions/applyAttack.js

@@ -1,7 +1,5 @@
-import math from '/imports/math.js';
+import roll from '/imports/parser/roll.js';
-//if (Meteor.isServer){
+import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
-//  var sendWebhook = require('/imports/server/discord/webhook.js').default;
-//}
 
 export default function applyAttack({
   prop,
@@ -10,12 +8,11 @@ export default function applyAttack({
   //targets,
   //actionContext
 }){
-  let result = math.roll(1, 20) + prop.rollBonusResult;
+  let result = roll(1, 20)[0] + prop.rollBonusResult;
-  if (Meteor.isClient){
+  insertCreatureLog.call({
-    console.log(`${creature.name} makes a ${prop.name} attack! Rolls ${result} to hit`);
+    log: {
-  }
+      text: `${prop.name} attack. ${result} to hit`,
-  //if (Meteor.isServer) sendWebhook({
+      creatureId: creature._id,
-  //  webhook: creature.webhook,
+    }
-  //  message: `${creature.name} makes a ${prop.name} attack! Rolls ${result} to hit`,
+  });
-  //});
 }

app/imports/api/creature/actions/applyDamage.js

@@ -1,27 +1,63 @@
-import evaluateAndRollString from '/imports/api/creature/computation/afterComputation/evaluateAndRollString.js';
+import evaluateString from '/imports/api/creature/computation/afterComputation/evaluateString.js';
-
+import {insertCreatureLog} from '/imports/api/creature/log/CreatureLogs.js';
-//if (Meteor.isServer){
+import { dealDamage } from '/imports/api/creature/CreatureProperties.js';
-//  var sendWebhook = require('/imports/server/discord/webhook.js').default;
-//}
 
 export default function applyDamage({
   prop,
   creature,
-  //targets,
+  targets,
   actionContext
 }){
-  //let damageTargets = prop.target === 'self' ? [creature] : targets;
+  let damageTargets = prop.target === 'self' ? [creature] : targets;
   let scope = {
     ...creature.variables,
     ...actionContext,
   };
-  let {result, errors} = evaluateAndRollString(prop.amount, scope);
+  try {
-  if (Meteor.isClient){
+    var {result, errors} = evaluateString(prop.amount, scope, 'reduce');
-    errors.forEach(e => console.error(e));
+    if (typeof result !== 'number') {
-    console.log(`${result} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`);
+      return insertCreatureLog.call({ log: {
+        text: errors.join(', '),
+        creatureId: creature._id,
+      }});
+    }
+  } catch (e){
+    return insertCreatureLog.call({ log: {
+      text: e.toString(),
+      creatureId: creature._id,
+    }});
+  }
+  if (damageTargets) {
+    damageTargets.forEach(target => {
+      if (prop.target === 'each'){
+        result = evaluateString(prop.amount, scope, 'reduce');
+      }
+      let damageDealt = dealDamage.call({
+        creatureId: target._id,
+        damageType: prop.damageType,
+        amount: result,
+      });
+      insertCreatureLog.call({
+        log: {
+          text: `Recieved ${damageDealt} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
+          creatureId: target._id,
+        }
+      });
+      if (target._id !== creature._id){
+        insertCreatureLog.call({
+          log: {
+            text: `Dealt ${damageDealt} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
+            creatureId: creature._id,
+          }
+        });
+      }
+    });
+  } else {
+    insertCreatureLog.call({
+      log: {
+        text: `${result} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
+        creatureId: creature._id,
+      }
+    });
   }
-  //if (Meteor.isServer) sendWebhook({
-  //  webhook: creature.webhook,
-  //  message: `${result} ${prop.damageType}${prop.damageType !== 'healing'? ' damage': ''}`,
-  //});
 }

app/imports/api/creature/actions/applyProperties.js

@@ -1,4 +1,5 @@
 import applyAction from '/imports/api/creature/actions/applyAction.js';
+import applyAdjustment from '/imports/api/creature/actions/applyAdjustment.js';
 import applyAttack from '/imports/api/creature/actions/applyAttack.js';
 import applyDamage from '/imports/api/creature/actions/applyDamage.js';
 import applyBuff from '/imports/api/creature/actions/applyBuff.js';
@@ -19,14 +20,14 @@ function applyProperty(options){
       applyAction(options);
       return true;
     case 'attack':
-      applyAttack(options);
       applyAction(options);
+      applyAttack(options);
       return true;
     case 'damage':
       applyDamage(options);
       return true;
     case 'adjustment':
-      // applyAdjustment(options);
+      applyAdjustment(options);
       return true;
     case 'buff':
       applyBuff(options);

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

@@ -0,0 +1,56 @@
+import SimpleSchema from 'simpl-schema';
+import { ValidatedMethod } from 'meteor/mdg:validated-method';
+import { RateLimiterMixin } from 'ddp-rate-limiter-mixin';
+import Creatures from '/imports/api/creature/Creatures.js';
+import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
+import roll from '/imports/parser/roll.js';
+
+const doCheck = new ValidatedMethod({
+  name: 'creature.doCheck',
+  validate: new SimpleSchema({
+    creatureId: {
+      type: String,
+      regEx: SimpleSchema.RegEx.Id,
+      optional: true,
+    },
+    attributeName: {
+      type: String,
+      optional: true,
+    },
+  }).validator(),
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 10,
+    timeInterval: 5000,
+  },
+  run({creatureId, attributeName}) {
+    let creature = Creatures.findOne(creatureId);
+    assertEditPermission(creature, this.userId);
+    let bonus = getAttributeValue({creature, attributeName})
+		return doCheckWork({bonus});
+  },
+});
+
+function getAttributeValue({creature, attributeName}){
+  let att = creature.variables[attributeName];
+  if (!att) throw new Meteor.Error('No such attribute',
+    `This creature does not have a ${attributeName} property`);
+  let bonus = att.attributeType === 'ability'? att.modifier : att.value;
+  return bonus || 0;
+}
+
+export function doCheckWork({bonus, advantage = 0}){
+  let rolls = roll(2,20);
+  let chosenRoll;
+  if (advantage === 1){
+    chosenRoll = Math.max.apply(rolls);
+  } else if (advantage === -1){
+    chosenRoll = Math.min.apply(rolls);
+  } else {
+    chosenRoll = rolls[0];
+  }
+  let result = chosenRoll + bonus;
+  return {rolls, bonus, chosenRoll, result};
+}
+
+export default doCheck;

app/imports/api/creature/computation/EffectAggregator.js

@@ -4,10 +4,10 @@ export default class EffectAggregator{
   constructor(stat, memo){
     delete this.baseValueErrors;
     if (stat.baseValueCalculation){
-      let {value, errors} = evaluateCalculation(stat.baseValueCalculation, memo);
+      let {result, context} = evaluateCalculation(stat.baseValueCalculation, memo);
-      this.statBaseValue = value;
+      this.statBaseValue = result.value;
-      if (errors.length){
+      if (context.errors.length){
-        this.baseValueErrors = errors;
+        this.baseValueErrors = context.errors;
       }
       this.base = this.statBaseValue;
     } else {

app/imports/api/creature/computation/afterComputation/evaluateAndRollString.js

@@ -1,77 +0,0 @@
-import math from '/imports/math.js';
-import bareSymbolSubtitutor from '/imports/api/creature/computation/utility/bareSymbolSubtitutor.js';
-import substituteRollsWithFunctions from '/imports/api/creature/computation/afterComputation/substituteRollsWithFunctions.js'
-
-export default function evaluateAndRollString(string, scope){
-  let errors = [];
-  if (!string){
-    errors.push('No string provided');
-    return {result: string, errors};
-  }
-
-  if (!scope) errors.push('No scope provided');
-
-  // Parse the string using mathjs
-  let calc;
-  try {
-    calc = math.parse(string);
-  } catch (e) {
-    errors.push(e);
-    return {result: string, errors};
-  }
-
-  // Replace all bare symbols with symbol.value
-  let transformedCalc = calc.transform(bareSymbolSubtitutor(scope));
-  // Replace all rolls with the function to call them
-  transformedCalc = calc.transform(substituteRollsWithFunctions);
-
-  // Evaluate the expression to a number or return with substitutions
-  try {
-    let result = transformedCalc.evaluate(scope);
-    return {result, errors};
-  } catch (e1){
-    errors.push(e1);
-    try {
-      let result = simplifyWithAccessors(transformedCalc, scope).toHTML();
-      return {result, errors};
-    } catch (e2){
-      errors.push(e2);
-      return {result: transformedCalc.toHTML(), errors};
-    }
-  }
-}
-
-function simplifyWithAccessors(calc, scope){
-  let noAccessorCalc = calc.transform(substituteAccessors(scope));
-  return math.simplify(noAccessorCalc);
-}
-
-// returns a function to replace all accessors with either their resolved value
-// or a symbol to simplify with
-function substituteAccessors(scope){
-  return function(node){
-    if (node.isAccessorNode){
-      try {
-        return evaluateAccessor(node, scope);
-      } catch (e) {
-        return replaceAccessorWithSymbol(node);
-      }
-    } else {
-      return node;
-    }
-  }
-}
-
-// Throws error if symbol is undefined in scope
-function evaluateAccessor(node, scope){
-  let value = node.evaluate(scope);
-  if (value === undefined){
-    throw 'Undefined symbol'
-  }
-  return new math.ConstantNode(value);
-}
-
-function replaceAccessorWithSymbol(node){
-  let symbolNode = new math.SymbolNode(node.toString());
-  return symbolNode;
-}

app/imports/api/creature/computation/afterComputation/evaluateString.js

@@ -1,7 +1,7 @@
-import math from '/imports/math.js';
+import { parse, CompilationContext } from '/imports/parser/parser.js';
-import bareSymbolSubtitutor from '/imports/api/creature/computation/utility/bareSymbolSubtitutor.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
 
-export default function evaluateString(string, scope){
+export default function evaluateString(string, scope, fn = 'compile'){
   let errors = [];
   if (!string){
     errors.push('No string provided');
@@ -11,88 +11,19 @@ export default function evaluateString(string, scope){
   if (!scope) errors.push('No scope provided');
 
   // Parse the string using mathjs
-  let calc;
+  let node;
   try {
-    calc = math.parse(string);
+    node = parse(string);
   } catch (e) {
     errors.push(e);
     return {result: string, errors};
   }
 
-  // Replace all bare symbols with symbol.value
+  let context = new CompilationContext();
-  let transformedCalc = calc.transform(bareSymbolSubtitutor(scope));
+  let result = node[fn](scope, context);
-
+  if (result instanceof ConstantNode){
-  // Evaluate the expression to a number or return with substitutions
+    return {result: result.value, errors: context.errors}
-  try {
+  } else {
-    let result = transformedCalc.evaluate(scope);
+    return {result: result.toString(), errors: context.errors};
-    return {result, errors};
-  } catch (e1){
-    errors.push(e1);
-    try {
-      let result = simplifyWithAccessors(transformedCalc, scope).toHTML();
-      return {result, errors};
-    } catch (e2){
-      errors.push(e2);
-      return {result: transformedCalc.toHTML(), errors};
-    }
   }
 }
-
-function simplifyWithAccessors(calc, scope){
-  let noAccessorCalc = calc.transform(substituteAccessors(scope));
-  return math.simplify(noAccessorCalc);
-}
-
-// returns a function to replace all accessors with either their resolved value
-// or a symbol to simplify with
-function substituteAccessors(scope){
-  return function(node){
-    if (node.isAccessorNode){
-      try {
-        return evaluateAccessor(node, scope);
-      } catch (e) {
-        return replaceAccessorWithSymbol(node);
-      }
-    } else {
-      return node;
-    }
-  }
-}
-
-// Throws error if symbol is undefined in scope
-function evaluateAccessor(node, scope){
-  let value = node.evaluate(scope);
-  if (value === undefined){
-    throw 'Undefined symbol'
-  }
-  return new math.ConstantNode(value);
-}
-
-function replaceAccessorWithSymbol(node){
-  let symbolNode = new math.SymbolNode(node.toString());
-  return symbolNode;
-}
-
-/*
-function overrideSymbolNodeHTML(symbolNode){
-  let safeName = escape(symbolNode.name);
-  symbolNode.toHTML = function(){
-    console.log('running custom tohtml function')
-    return `<span class="math-symbol math-substitution-failed">${safeName}</span>`
-  }
-  return symbolNode;
-}
-
-// Escape special HTML characters
-// Copied directly from math.js source to help with overriding toHTML
-function escape (value) {
-  let text = String(value)
-  text = text.replace(/&/g, '&amp;')
-    .replace(/"/g, '&quot;')
-    .replace(/'/g, '&#39;')
-    .replace(/</g, '&lt;')
-    .replace(/>/g, '&gt;')
-
-  return text
-}
-*/

app/imports/api/creature/computation/afterComputation/substituteRollsWithFunctions.js

@@ -1,28 +0,0 @@
-import math from '/imports/math.js';
-
-const diceRegex = /d\d+/;
-
-export default function substituteRollsWithFunctions(node){
-  // TODO also replace dx as 1dx
-  if (
-    node.isOperatorNode &&
-    node.fn === 'multiply' &&
-    node.implicit &&
-    node.args[1].isSymbolNode &&
-    diceRegex.test(node.args[1].name)
-  ){
-    let diceSize = node.args[1].name.slice(1);
-    let diceSizeNode = new math.ConstantNode(diceSize);
-    return new math.FunctionNode('roll', [node.args[0], diceSizeNode]);
-  } else if (
-    node.isSymbolNode &&
-    diceRegex.test(node.name)
-  ) {
-    let diceSize = node.name.slice(1);
-    let diceSizeNode = new math.ConstantNode(diceSize);
-    let diceNumberNode = new math.ConstantNode(1);
-    return new math.FunctionNode('roll', [diceNumberNode, diceSizeNode]);
-  } else {
-    return node;
-  }
-}

app/imports/api/creature/computation/combineStat.js

@@ -33,15 +33,15 @@ function combineAttribute(stat, aggregator, memo){
   stat.value = getAggregatorResult(stat, aggregator);
   stat.baseValue = aggregator.statBaseValue;
   stat.baseValueErrors = aggregator.baseValueErrors;
-  if (stat.attributeType === 'ability') {
-    stat.modifier = Math.floor((stat.value - 10) / 2);
-  }
   if (stat.attributeType === 'spellSlot'){
-    let {value, errors} = evaluateCalculation(stat.spellSlotLevelCalculation, memo);
+    let {result, context} = evaluateCalculation(stat.spellSlotLevelCalculation, memo);
-    stat.spellSlotLevelValue = value,
+    stat.spellSlotLevelValue = result.value;
-    stat.spellSlotLevelErrors = errors;
+    stat.spellSlotLevelErrors = context.errors;
   }
   stat.currentValue = stat.value - (stat.damage || 0);
+  if (stat.attributeType === 'ability') {
+    stat.modifier = Math.floor((stat.currentValue - 10) / 2);
+  }
   stat.hide = aggregator.hasNoEffects &&
     stat.baseValue === undefined ||
     undefined

app/imports/api/creature/computation/computeEffect.js

@@ -34,10 +34,10 @@ export default function computeEffect(effect, memo){
   } else if(_.contains(['advantage', 'disadvantage', 'fail'], effect.operation)){
     effect.result = 1;
   } else {
-    let {value, errors} = evaluateCalculation(effect.calculation, memo);
+    let {result, context} = evaluateCalculation(effect.calculation, memo);
-    effect.result = value;
+    effect.result = result.value;
-    if (errors.length){
+    if (context.errors.length){
-      effect.errors = errors;
+      effect.errors = context.errors;
     }
   }
   effect.computationDetails.computed = true;

app/imports/api/creature/computation/computeEndStepProperty.js

@@ -23,10 +23,10 @@ export default function computeEndStepProperty(prop, memo){
 
 function computeAction(prop, memo){
   // Uses
-  let {value, errors} = evaluateCalculation(prop.uses, memo);
+  let {result, context} = evaluateCalculation(prop.uses, memo);
-  prop.usesResult = value;
+  prop.usesResult = result.value;
-  if (errors.length){
+  if (context.errors.length){
-    prop.usesErrors = errors;
+    prop.usesErrors = context.errors;
   } else {
     delete prop.usesErrors;
   }
@@ -34,6 +34,7 @@ function computeAction(prop, memo){
   if (prop.usesUsed >= prop.usesResult){
     prop.insufficientResources = true;
   }
+  if (!prop.resources) return;
   // Attributes consumed
   prop.resources.attributesConsumed.forEach((attConsumed, i) => {
     if (attConsumed.variableName){
@@ -66,43 +67,28 @@ function computeAction(prop, memo){
   });
 }
 
-function computeAttack(prop, memo){
+function computePropertyField(prop, memo, fieldName, fn){
-  // Roll bonus
+  let {result, context} = evaluateCalculation(prop[fieldName], memo, fn);
-  let {value, errors} = evaluateCalculation(prop.rollBonus, memo);
+  prop[`${fieldName}Result`] = result.value;
-  prop.rollBonusResult = value;
+  if (context.errors.length){
-  if (errors.length){
+    prop[`${fieldName}Errors`] = context.errors;
-    prop.rollBonusErrors = errors;
   } else {
-    delete prop.rollBonusErrors;
+    delete prop[`${fieldName}Errors`];
   }
 }
 
+function computeAttack(prop, memo){
+  computePropertyField(prop, memo, 'rollBonus');
+}
+
 function computeSavingThrow(prop, memo){
-  let {value, errors} = evaluateCalculation(prop.dc, memo);
+  computePropertyField(prop, memo, 'dc');
-  prop.dcResult = value;
-  if (errors.length){
-    prop.dcErrors = errors;
-  } else {
-    delete prop.dcErrors;
-  }
 }
 
 function computeSpellList(prop, memo){
-  let {value, errors} = evaluateCalculation(prop.maxPrepared, memo);
+  computePropertyField(prop, memo, 'maxPrepared');
-  prop.maxPreparedResult = value;
-  if (errors.length){
-    prop.maxPreparedErrors = errors;
-  } else {
-    delete prop.maxPreparedErrors;
-  }
 }
 
 function computeSlot(prop, memo){
-  let {value, errors} = evaluateCalculation(prop.slotCondition, memo);
+  computePropertyField(prop, memo, 'slotCondition');
-  prop.slotConditionResult = value;
-  if (errors.length){
-    prop.slotConditionErrors = errors;
-  } else {
-    delete prop.slotConditionErrors;
-  }
 }

app/imports/api/creature/computation/computeToggle.js

@@ -26,10 +26,10 @@ export default function computeToggle(toggle, memo){
   } else if (Number.isFinite(+toggle.condition)){
     toggle.toggleResult = !!+toggle.condition;
   } else {
-    let {value, errors} = evaluateCalculation(toggle.condition, memo);
+    let {result, context} = evaluateCalculation(toggle.condition, memo);
-    toggle.toggleResult = value;
+    toggle.toggleResult = !!result.value;
-    if (errors.length){
+    if (context.errors.length){
-      toggle.errors = errors;
+      toggle.errors = context.errors;
     }
   }
   toggle.computationDetails.computed = true;

app/imports/api/creature/computation/evaluateCalculation.js

@@ -1,98 +1,41 @@
 import computeStat from '/imports/api/creature/computation/computeStat.js';
-import math from '/imports/math.js';
+import { parse, CompilationContext } from '/imports/parser/parser.js';
+import SymbolNode from '/imports/parser/parseTree/SymbolNode.js';
+import AccessorNode from '/imports/parser/parseTree/AccessorNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
 
 /* Convert a calculation into a constant output and errors*/
-export default function evaluateCalculation(string, memo){
+export default function evaluateCalculation(string, memo, fn = 'reduce'){
-  if (!string) return {errors: [], value: string};
+  if (!string) return {
+    context: {errors: []},
+    result: new ConstantNode({value: string, type: 'string'}),
+  };
   let errors = [];
-  // Parse the string using mathjs
+  // Parse the string
   let calc;
   try {
-    calc = math.parse(string);
+    calc = parse(string);
   } catch (e) {
     errors.push({
       type: 'parsing',
       message: e.message || e
     });
-    return {errors, value: string};
+    return {
+      context: {errors},
+      result: new ConstantNode({value: string, type: 'string'}),
+    };
   }
   // Ensure all symbol nodes are defined and coputed
   calc.traverse(node => {
-    if (node.isSymbolNode){
+    if (node instanceof SymbolNode || node instanceof AccessorNode){
       let stat = memo.statsByVariableName[node.name];
       if (stat && !stat.computationDetails.computed){
         computeStat(stat, memo);
       }
     }
   });
-  // Replace all symbols with their subtitution
+  // Evaluate
-  let substitutedCalc = calc.transform(
+  let context = new CompilationContext();
-    symbolSubtitutor(memo.statsByVariableName, errors)
+  let result = calc[fn](memo.statsByVariableName, context);
-  );
+  return {result, context};
-  // Evaluate the expression to a number or return with substitutions
-  try {
-    let value = substitutedCalc.evaluate(memo.statsByVariableName);
-    if (typeof value === 'object') value = value.toString();
-    return {errors, value};
-  } catch (e){
-    errors.push({
-      type: 'evaluation',
-      message: e.message || e
-    });
-    let value = substitutedCalc.toString();
-    return {errors, value};
-  }
-}
-
-// returns a function to replace all symbols with either their resolved value
-// or zero, keeping the errors
-function symbolSubtitutor(scope, errors){
-  return function(node){
-    // mark symbol nodes that are children of function nodes to be skipped
-    if (node.isFunctionNode){
-      let fn = node.fn;
-      if (fn && fn.isSymbolNode){
-        fn.skipReplacement = true;
-      }
-      return node;
-    } else if (node.isSymbolNode && node.skipReplacement !== true){
-      //bare symbols of name "stat", should search for stat.value
-      let stat = scope[node.name];
-      if (stat){
-        if (stat.value === undefined){
-          errors.push({
-            type: 'subsitution',
-            message: `${node.name} does not have a value, set to 0`
-          });
-          return new math.ConstantNode(0);
-        } else {
-          return new math.ConstantNode(stat.value);
-        }
-      } else {
-        try {
-          return new math.ConstantNode(node.evaluate(scope));
-        } catch (e) {
-          errors.push({
-            type: 'subsitution',
-            message: `${node.name} not found, set to 0`
-          });
-          return new math.ConstantNode(0);
-        }
-      }
-    } else if (node.isAccessorNode && node.object.isSymbolNode){
-      try {
-        let value = node.evaluate(scope);
-        if (value === undefined) throw 'Not found';
-        return new math.ConstantNode(value);
-      } catch (e) {
-        errors.push({
-          type: 'subsitution',
-          message: `${node.toString()} not found, set to 0`
-        });
-        return new math.ConstantNode(0);
-      }
-    } else {
-      return node;
-    }
-  }
 }

app/imports/api/creature/computation/recomputeCreature.js

@@ -3,11 +3,13 @@ import { RateLimiterMixin } from 'ddp-rate-limiter-mixin';
 import SimpleSchema from 'simpl-schema';
 import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
 import ComputationMemo from '/imports/api/creature/computation/ComputationMemo.js';
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
 import computeMemo from '/imports/api/creature/computation/computeMemo.js';
-import getActiveProperties from '/imports/api/creature/getActiveProperties.js';
 import writeAlteredProperties from '/imports/api/creature/computation/writeAlteredProperties.js';
 import writeCreatureVariables from '/imports/api/creature/computation/writeCreatureVariables.js';
-import { recomputeDamageMultipliersById } from '/imports/api/creature/damageMultiplierDenormalise/recomputeDamageMultipliers.js';
+import { recomputeDamageMultipliersById } from '/imports/api/creature/denormalise/recomputeDamageMultipliers.js';
+import recomputeInactiveProperties from '/imports/api/creature/denormalise/recomputeInactiveProperties.js';
+import recomputeSlotFullness from '/imports/api/creature/denormalise/recomputeSlotFullness.js';
 import Creatures from '/imports/api/creature/Creatures.js';
 
 export const recomputeCreature = new ValidatedMethod({
@@ -95,16 +97,42 @@ export function recomputeCreatureById(creatureId){
  */
 export function recomputeCreatureByDoc(creature){
   const creatureId = creature._id;
-  let props = getActiveProperties({
+  // find all toggles that have conditions, even if they are inactive
-    ancestorId: creatureId,
+  let toggleIds = CreatureProperties.find({
-    filter: {type: {$in: calculationPropertyTypes}},
+    'ancestors.id': creatureId,
-    includeUntoggled: true,
+    type: 'toggle',
-    // TODO filter out expensive fields, particularly icon field
+    removed: {$ne: true},
-  });
+    condition: { $exists: true },
+  }, {
+    fields: {_id: 1},
+  }).map(t => t._id);
+  // Find all the active properties
+  let props = CreatureProperties.find({
+    'ancestors.id': creatureId,
+    removed: {$ne: true},
+    type: {$in: calculationPropertyTypes},
+    $or: [
+      {inactive: {$ne: true}},
+      // But also the inactive computed toggles and their decendants
+      {'ancestors.id': {$in: toggleIds}},
+      {_id: {$in: toggleIds}},
+    ]
+  }, {
+    fields: { // Filter out potentially large fields
+      icon: 0,
+      summary: 0,
+      description: 0,
+    },
+    sort: {
+      order: 1,
+    }
+  }).fetch();
   let computationMemo = new ComputationMemo(props, creature);
+  recomputeInactiveProperties(creatureId);
   computeMemo(computationMemo);
   writeAlteredProperties(computationMemo);
   writeCreatureVariables(computationMemo, creatureId);
   recomputeDamageMultipliersById(creatureId);
+  recomputeSlotFullness(creatureId);
   return computationMemo;
 }

app/imports/api/creature/computation/utility/bareSymbolSubtitutor.js

@@ -1,24 +0,0 @@
-import math from '/imports/math.js';
-
-export default function bareSymbolSubtitutor(scope){
-  return function(node, path){
-    if (!scope) return node;
-    if (node.isFunctionNode){
-      let fn = node.fn;
-      if (fn && fn.isSymbolNode){
-        fn.skipReplacement = true;
-      }
-      return node;
-    } else if (
-      node.isSymbolNode &&
-      path !== 'object' &&
-      node.skipReplacement !== true
-    ) {
-      let stat = scope[node.name];
-      if (!stat) return node;
-      return new math.ConstantNode(stat.value);
-    } else {
-      return node;
-    }
-  }
-}

app/imports/api/creature/computation/writeCreatureVariables.js

@@ -1,5 +1,6 @@
 import { pick, forOwn } from 'lodash';
 import Creatures from '/imports/api/creature/Creatures.js';
+import VERSION from '/imports/constants/VERSION.js';
 
 export default function writeCreatureVariables(memo, creatureId) {
   const fields = [
@@ -31,5 +32,8 @@ export default function writeCreatureVariables(memo, creatureId) {
     let condensedStat = pick(stat, fields);
     memo.creatureVariables[variableName] = condensedStat;
   });
-  Creatures.update(creatureId, {$set: {variables: memo.creatureVariables}});
+  Creatures.update(creatureId, {$set: {
+    variables: memo.creatureVariables,
+    computeVersion: VERSION,
+  }});
 }

app/imports/api/creature/creaturePermissions.js

@@ -24,6 +24,6 @@ export function assertEditPermission(creature, userId) {
 }
 
 export function assertViewPermission(creature, userId) {
-  creature = getCreature(creature, {owner: 1, writers: 1, public: 1});
+  creature = getCreature(creature, {owner: 1, readers:1, writers: 1, public: 1});
   viewPermission(creature, userId);
 }

app/imports/api/creature/creatureProperties/assertPropertyEditPermission.js

@@ -0,0 +1,7 @@
+import { assertEditPermission } from '/imports/api/sharing/sharingPermissions.js';
+import getClosestPropertyAncestorCreature from '/imports/api/creature/creatureProperties/getClosestPropertyAncestorCreature.js';
+
+export default function assertPropertyEditPermission(prop, userId){
+  let creature = getClosestPropertyAncestorCreature(prop);
+  assertEditPermission(creature, userId);
+}

app/imports/api/creature/creatureProperties/getClosestPropertyAncestorCreature.js

@@ -0,0 +1,7 @@
+import Creatures from '/imports/api/creature/Creatures.js';
+import getClosestPropertyAncestorCreatureId from '/imports/api/creature/creatureProperties/getClosestPropertyAncestorCreatureId.js';
+
+export default function getClosestPropertyAncestorCreature(prop){
+  let creatureId = getClosestPropertyAncestorCreatureId(prop);
+  return Creatures.findOne(creatureId);
+}

app/imports/api/creature/creatureProperties/getClosestPropertyAncestorCreatureId.js

@@ -0,0 +1,13 @@
+export default function getClosestPropertyAncestorCreatureId(prop){
+  if (!prop.ancestors) throw 'Property has no ancestors';
+  let creatureId;
+  // Find the last ancestor in the creature collection
+  for (let i = prop.ancestors.length - 1; i >= 0; i--){
+    if (prop.ancestors[i].collection === 'creatures'){
+      creatureId = prop.ancestors[i].id;
+      break;
+    }
+  }
+  if (!creatureId) throw 'This property has no creature ancestors';
+  return creatureId;
+}

app/imports/api/creature/creatureProperties/manageEquipment.js

@@ -0,0 +1,64 @@
+import { ValidatedMethod } from 'meteor/mdg:validated-method';
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+import { RateLimiterMixin } from 'ddp-rate-limiter-mixin';
+import { assertEditPermission } from '/imports/api/sharing/sharingPermissions.js';
+import { organizeDoc } from '/imports/api/parenting/organizeMethods.js';
+import getClosestPropertyAncestorCreature from '/imports/api/creature/creatureProperties/getClosestPropertyAncestorCreature.js';
+import INVENTORY_TAGS from '/imports/constants/INVENTORY_TAGS.js';
+
+function getParentRefByTag(creatureId, tag){
+  let prop = CreatureProperties.findOne({
+    'ancestors.id': creatureId,
+    removed: {$ne: true},
+    inactive: {$ne: true},
+    tags: tag,
+  }, {
+    sort: {order: 1},
+  });
+  if (prop){
+    return {id: prop._id, collection: 'creatureProperties'};
+  } else {
+    return {id: creatureId, collection: 'creatures'};
+  }
+}
+
+// Equipping or unequipping an item will also change its parent
+const equipItem = new ValidatedMethod({
+  name: 'creatureProperties.equip',
+  validate({_id, equipped}){
+		if (!_id) throw new Meteor.Error('No _id', '_id is required');
+    if (equipped !== true && equipped !== false) {
+      throw new Meteor.Error('No equipped', 'equipped is required to be true or false');
+    }
+  },
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 5,
+    timeInterval: 5000,
+  },
+  run({_id, equipped}) {
+    let item = CreatureProperties.findOne(_id);
+    if (item.type !== 'item') throw new Meteor.Error('wrong type',
+    'Equip and unequip can only be performed on items');
+    let creature = getClosestPropertyAncestorCreature(item);
+    assertEditPermission(creature, this.userId);
+    CreatureProperties.update(_id, {
+      $set: {equipped},
+    }, {
+			selector: {type: 'item'},
+		});
+    let tag = equipped ? INVENTORY_TAGS.equipment : INVENTORY_TAGS.carried;
+    let parentRef = getParentRefByTag(creature._id, tag);
+    // organizeDoc handles recompuation
+    organizeDoc.call({
+      docRef: {
+        id: _id,
+        collection: 'creatureProperties',
+      },
+      parentRef,
+      order: Number.MAX_SAFE_INTEGER,
+    });
+  },
+});
+
+export { equipItem, getParentRefByTag }

app/imports/api/creature/denormalise/recomputeInactiveProperties.js

@@ -0,0 +1,59 @@
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+
+export default function recomputeInactiveProperties(ancestorId){
+  let disabledFilter = {
+    'ancestors.id': ancestorId,
+    $or: [
+      {disabled: true}, // Everything can be disabled
+      {type: 'buff', applied: false}, // Buffs can be applied
+      {type: 'item', equipped: {$ne: true}},
+      {type: 'toggle', toggleResult: false},
+      {type: 'spell', prepared: {$ne: true}, alwaysPrepared: {$ne: true}},
+    ],
+  };
+  let disabledIds = CreatureProperties.find(disabledFilter, {
+    fields: {_id: 1},
+  }).map(prop => prop._id);
+
+  // Deactivate relevant properties
+  // Inactive properties
+  CreatureProperties.update({
+    'ancestors.id': ancestorId,
+    '_id': {$in: disabledIds},
+    $or: [{inactive: {$ne: true}}, {deactivatedByAncestor: true}],
+  }, {
+    $set: {inactive: true},
+    $unset: {deactivatedByAncestor: 1},
+  }, {
+    multi: true,
+    selector: {type: 'any'},
+  });
+  // Decendants of inactive properties
+  CreatureProperties.update({
+    'ancestors.id': {$eq: ancestorId, $in: disabledIds},
+    $or: [{inactive: {$ne: true}}, {deactivatedByAncestor: {$ne: true}}],
+  }, {
+    $set: {
+      inactive: true,
+      deactivatedByAncestor: true,
+    },
+  }, {
+    multi: true,
+    selector: {type: 'any'},
+  });
+
+  // Remove inactive from all the properties that are inactive but shouldn't be
+  CreatureProperties.update({
+    'ancestors.id': {$eq: ancestorId, $nin: disabledIds},
+    '_id': {$nin: disabledIds},
+    $or: [{inactive: true}, {deactivatedByAncestor: true}],
+  }, {
+    $unset: {
+      inactive: 1,
+      deactivatedByAncestor: 1,
+    },
+  }, {
+    multi: true,
+    selector: {type: 'any'},
+  });
+}

app/imports/api/creature/denormalise/recomputeSlotFullness.js

@@ -0,0 +1,39 @@
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+// n + 1 database queries + n potential updates for n slots. Could be sped up.
+export default function recomputeSlotFullness(ancestorId){
+  CreatureProperties.find({
+    'ancestors.id': ancestorId,
+    type: 'propertySlot',
+  }).forEach(slot => {
+    let children = CreatureProperties.find({
+      'parent.id': slot._id,
+      removed: {$ne: true},
+    }, {
+      fields: {
+        slotQuantityFilled: 1,
+        type: 1
+      }
+    }).fetch();
+    let totalFilled = 0;
+    children.forEach(child => {
+      if (child.type === 'slotFiller'){
+        totalFilled += child.slotQuantityFilled;
+      } else {
+        totalFilled++;
+      }
+    });
+    let spaceLeft;
+    if (slot.quantityExpected === 0){
+      spaceLeft = null;
+    } else {
+      spaceLeft = slot.quantityExpected - totalFilled;
+    }
+    if (slot.totalFilled !== totalFilled || slot.spaceLeft !== spaceLeft){
+      CreatureProperties.update(slot._id, {
+        $set: {totalFilled, spaceLeft},
+      }, {
+        selector: {type: 'propertySlot'}
+      });
+    }
+  });
+}

app/imports/api/creature/log/CreatureLogs.js

@@ -0,0 +1,176 @@
+import SimpleSchema from 'simpl-schema';
+import Creatures from '/imports/api/creature/Creatures.js';
+import { ValidatedMethod } from 'meteor/mdg:validated-method';
+import { RateLimiterMixin } from 'ddp-rate-limiter-mixin';
+import {assertEditPermission} from '/imports/api/creature/creaturePermissions.js';
+import { parse, CompilationContext } from '/imports/parser/parser.js';
+const PER_CREATURE_LOG_LIMIT = 100;
+
+if (Meteor.isServer){
+  var sendWebhookAsCreature = require('/imports/server/discord/sendWebhook.js').sendWebhookAsCreature;
+}
+
+let CreatureLogs = new Mongo.Collection('creatureLogs');
+
+let CreatureLogSchema = new SimpleSchema({
+	text: {
+		type: String,
+	},
+  type: {
+    type: String,
+    allowedValues: ['roll', 'change', 'damage', 'info'],
+    defaultValue: 'info',
+  },
+	// The real-world date that it occured, usually sorted by date
+	date: {
+		type: Date,
+		autoValue: function() {
+			// If the date isn't set, set it to now
+			if (!this.isSet) {
+				return new Date();
+			}
+		},
+    index: 1,
+	},
+  creatureId: {
+    type: String,
+    regEx: SimpleSchema.RegEx.Id,
+    index: 1,
+  },
+});
+
+CreatureLogs.attachSchema(CreatureLogSchema);
+
+function removeOldLogs(creatureId){
+  // Find the first log that is over the limit
+  let firstExpiredLog = CreatureLogs.find({
+    creatureId
+  }, {
+    sort: {date: -1},
+    skip: PER_CREATURE_LOG_LIMIT,
+  });
+  // Remove all logs older than the one over the limit
+  CreatureLogs.remove({
+    creatureId,
+    date: {$lte: firstExpiredLog.date},
+  });
+}
+
+function logWebhook({log, creature}){
+  if (Meteor.isServer){
+    sendWebhookAsCreature({
+      creature,
+      content: log.text,
+    });
+  }
+}
+
+const insertCreatureLog = new ValidatedMethod({
+  name: 'creatureLogs.methods.insertCreatureLog',
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 5,
+    timeInterval: 5000,
+  },
+	validate: new SimpleSchema({
+		log: CreatureLogSchema.omit('type', 'date'),
+	}).validator(),
+  run({log}){
+    const creatureId = log.creatureId;
+    const creature = Creatures.findOne(creatureId, {fields: {
+      readers: 1,
+      writers: 1,
+      owner: 1,
+      'settings.discordWebhook': 1,
+      name: 1,
+      avatarPicture: 1,
+    }});
+    assertEditPermission(creature, this.userId);
+    // Build the new log
+    if (typeof log === 'string'){
+      log = {text: log};
+    }
+    log.date = new Date();
+    // Insert it
+    let id = CreatureLogs.insert(log);
+    if (Meteor.isServer){
+      this.unblock();
+      removeOldLogs(creatureId);
+      logWebhook({log, creature});
+    }
+    return id;
+  },
+});
+
+
+function equalIgnoringWhitespace(a, b){
+  if (typeof a !== 'string' || typeof b !== 'string') return a === b;
+  return a.replace(/\s/g,'') === b.replace(/\s/g, '');
+}
+
+const logRoll = new ValidatedMethod({
+  name: 'creatureLogs.methods.logForCreature',
+  mixins: [RateLimiterMixin],
+  rateLimit: {
+    numRequests: 5,
+    timeInterval: 5000,
+  },
+	validate: new SimpleSchema({
+		roll: {
+			type: String,
+		},
+		creatureId: {
+			type: String,
+			regEx: SimpleSchema.RegEx.Id,
+		},
+	}).validator(),
+  run({roll, creatureId}){
+    const creature = Creatures.findOne(creatureId, {fields: {
+      variables: 1,
+      readers: 1,
+      writers: 1,
+      owner: 1,
+      'settings.discordWebhook': 1,
+      name: 1,
+      avatarPicture: 1,
+    }});
+    assertEditPermission(creature, this.userId);
+    let parsedResult = parse(roll);
+    let logText;
+    if (parsedResult === null) {
+      logText = 'Unexpected end of input';
+    }
+    else try {
+      logText = [];
+      let rollContext = new CompilationContext();
+      let compiled = parsedResult.compile(creature.variables, rollContext);
+      let compiledString = compiled.toString();
+      if (!equalIgnoringWhitespace(compiledString, roll)) logText.push(roll);
+      logText.push(compiledString);
+      let rolled = compiled.roll(creature.variables, rollContext);
+      let rolledString = rolled.toString();
+      if (rolledString !== compiledString) logText.push(rolled.toString());
+      let result = rolled.reduce(creature.variables, rollContext);
+      let resultString = result.toString();
+      if (resultString !== rolledString) logText.push(resultString);
+      logText = logText.join('\n\n');
+    } catch (e){
+      logText = 'Calculation error';
+    }
+    const log = {
+      text: logText,
+      creatureId,
+      date: new Date(),
+    };
+    let id = CreatureLogs.insert(log);
+    if (Meteor.isServer){
+      this.unblock();
+      removeOldLogs(creatureId);
+      logWebhook({log, creature});
+    }
+    return id;
+  },
+});
+
+export default CreatureLogs;
+export { CreatureLogSchema, insertCreatureLog, logRoll};

app/imports/api/creature/removeCreature.js

@@ -1,13 +1,15 @@
 import SimpleSchema from 'simpl-schema';
 import { ValidatedMethod } from 'meteor/mdg:validated-method';
 import { RateLimiterMixin } from 'ddp-rate-limiter-mixin';
-import Creatures from '/imports/api/creature/Creatures.js';
-import CreatureProperties from '/imports/api/creature/CreatureProperties.js'
 import { assertOwnership } from '/imports/api/creature/creaturePermissions.js';
+import Creatures from '/imports/api/creature/Creatures.js';
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+import CreatureLogs from '/imports/api/creature/log/CreatureLogs.js';
 import Experiences from '/imports/api/creature/experience/Experiences.js';
 
 function removeRelatedDocuments(creatureId){
   CreatureProperties.remove({'ancestors.id': creatureId});
+  CreatureLogs.remove({creatureId});
   Experiences.remove({creatureId});
 }
 

app/imports/api/parenting/softRemove.js

@@ -41,16 +41,21 @@ const restoreError = function(){
 };
 
 export function restore({_id, collection}){
-  collection = getCollectionByName(collection);
+  if (typeof collection === 'string') {
+    collection = getCollectionByName(collection);
+  }
   let numUpdated = collection.update({
     _id,
     removedWith: {$exists: false}
   }, { $unset: {
     removed: 1,
     removedAt: 1,
-  }});
+  }}, {
+    selector: {type: 'any'},
+  },);
   if (numUpdated === 0) restoreError();
   updateDescendants({
+    collection,
     ancestorId: _id,
     filter: {
       removedWith: _id,

app/imports/api/properties/Adjustments.js

@@ -23,6 +23,11 @@ const AdjustmentSchema = new SimpleSchema({
 		type: String,
     optional: true,
 	},
+  operation: {
+    type: String,
+    allowedValues: ['set', 'increment'],
+    defaultValue: 'increment',
+  },
 });
 
 export { AdjustmentSchema };

app/imports/api/properties/ClassLevels.js

@@ -6,6 +6,10 @@ let ClassLevelSchema = new SimpleSchema({
 		type: String,
 		optional: true,
 	},
+  description: {
+    type: String,
+    optional: true,
+  },
 	// The name of this class level's variable
 	variableName: {
     type: String,
@@ -23,6 +27,11 @@ let ClassLevelSchema = new SimpleSchema({
 	'nextLevelTags.$': {
 		type: String,
 	},
+  // Same as in SlotFillers.js
+  slotFillerCondition: {
+    type: String,
+    optional: true,
+  },
 });
 
 export { ClassLevelSchema };

app/imports/api/properties/SlotFillers.js

@@ -0,0 +1,38 @@
+// SlotFiller fillers specifically fill a slot with a bit more control than
+// other properties
+
+import SimpleSchema from 'simpl-schema';
+
+let SlotFillerSchema = new SimpleSchema({
+  name: {
+    type: String,
+    optional: true,
+  },
+  picture: {
+    type: String,
+    optional: true,
+  },
+  description: {
+    type: String,
+    optional: true,
+  },
+  // Overrides the type when searching for properties
+  slotFillerType: {
+    type: String,
+    optional: true,
+  },
+  // Fill more than one quantity in a slot, like feats and ability score
+  // improvements, filtered out of UI if there isn't space in quantityExpected
+  slotQuantityFilled: {
+    type: SimpleSchema.Integer,
+    defaultValue: 1,
+    min: 0,
+  },
+  // Filters out of UI if condition isn't met, but isn't otherwise enforced
+  slotFillerCondition: {
+    type: String,
+    optional: true,
+  },
+});
+
+export { SlotFillerSchema };

app/imports/api/properties/Slots.js

@@ -24,6 +24,7 @@ let SlotSchema = new SimpleSchema({
   quantityExpected: {
     type: SimpleSchema.Integer,
     defaultValue: 1,
+    min: 0,
   },
   ignored: {
     type: Boolean,
@@ -33,11 +34,10 @@ let SlotSchema = new SimpleSchema({
     type: String,
     optional: true,
   },
-  // How many properties have been selected to fill this slot
+  hideWhenFull: {
-  quantityFilled: {
+    type: Boolean,
-    type: SimpleSchema.Integer,
+    optional: true,
-    defaultValue: 0,
+  }
-  },
 });
 
 const ComputedOnlySlotSchema = new SimpleSchema({
@@ -54,6 +54,14 @@ const ComputedOnlySlotSchema = new SimpleSchema({
   'slotConditionErrors.$':{
     type: ErrorSchema,
   },
+  totalFilled: {
+    type: SimpleSchema.Integer,
+    defaultValue: 0,
+  },
+  spaceLeft: {
+    type: SimpleSchema.Integer,
+    optional: true,
+  },
 });
 
 const ComputedSlotSchema = new SimpleSchema()

app/imports/api/properties/Toggles.js

@@ -25,7 +25,7 @@ const ToggleSchema = new SimpleSchema({
 const ComputedOnlyToggleSchema = new SimpleSchema({
 	// The computed result of the effect
 	toggleResult: {
-		type: SimpleSchema.oneOf(Number, String, Boolean),
+		type: Boolean,
 		optional: true,
 	},
   // The errors encountered while computing the result

app/imports/api/properties/computedPropertySchemasIndex.js

@@ -18,6 +18,7 @@ import { RollSchema } from '/imports/api/properties/Rolls.js';
 import { ComputedSavingThrowSchema } from '/imports/api/properties/SavingThrows.js';
 import { ComputedSkillSchema } from '/imports/api/properties/Skills.js';
 import { ComputedSlotSchema } from '/imports/api/properties/Slots.js';
+import { SlotFillerSchema } from '/imports/api/properties/SlotFillers.js';
 import { ComputedSpellSchema } from '/imports/api/properties/Spells.js';
 import { ComputedSpellListSchema } from '/imports/api/properties/SpellLists.js';
 import { ToggleSchema } from '/imports/api/properties/Toggles.js';
@@ -36,10 +37,11 @@ const propertySchemasIndex = {
   folder: FolderSchema,
   note: NoteSchema,
   proficiency: ProficiencySchema,
+  propertySlot: ComputedSlotSchema,
   roll: RollSchema,
   savingThrow: ComputedSavingThrowSchema,
   skill: ComputedSkillSchema,
-  propertySlot: ComputedSlotSchema,
+  slotFiller: SlotFillerSchema,
   spellList: ComputedSpellListSchema,
   spell: ComputedSpellSchema,
   toggle: ToggleSchema,

app/imports/api/properties/propertySchemasIndex.js

@@ -16,6 +16,7 @@ import { RollSchema } from '/imports/api/properties/Rolls.js';
 import { SavingThrowSchema } from '/imports/api/properties/SavingThrows.js';
 import { SkillSchema } from '/imports/api/properties/Skills.js';
 import { SlotSchema } from '/imports/api/properties/Slots.js';
+import { SlotFillerSchema } from '/imports/api/properties/SlotFillers.js';
 import { SpellListSchema } from '/imports/api/properties/SpellLists.js';
 import { SpellSchema } from '/imports/api/properties/Spells.js';
 import { ToggleSchema } from '/imports/api/properties/Toggles.js';
@@ -36,10 +37,11 @@ const propertySchemasIndex = {
   folder: FolderSchema,
   note: NoteSchema,
   proficiency: ProficiencySchema,
+  propertySlot: SlotSchema,
   roll: RollSchema,
   savingThrow: SavingThrowSchema,
   skill: SkillSchema,
-  propertySlot: SlotSchema,
+  slotFiller: SlotFillerSchema,
   spellList: SpellListSchema,
   spell: SpellSchema,
   toggle: ToggleSchema,

app/imports/api/sharing/sharingPermissions.js

@@ -88,18 +88,18 @@ export function assertDocEditPermission(doc, userId){
 }
 
 export function assertViewPermission(doc, userId) {
-  assertIdValid(userId);
   assertdocExists(doc);
+  if (doc.public) return true;
+  assertIdValid(userId);
   if (
     doc.owner === userId ||
-    doc.public ||
     _.contains(doc.readers, userId) ||
     _.contains(doc.writers, userId)
   ){
     return true;
   } else {
     throw new Meteor.Error('View permission denied',
-      'You do not have permission to view this character');
+      'You do not have permission to view this document');
   }
 }
 

app/imports/api/users/patreon/updatePatreonDetails.js

@@ -1,5 +1,4 @@
 import request from 'request';
-
 if (!Meteor.isServer) throw 'Server only, do not import this code in the client';
 
 const config = ServiceConfiguration.configurations.findOne({service: 'patreon'});
@@ -62,7 +61,7 @@ const updateIdentity = Meteor.wrapAsync(function(accessToken, userId, callback){
     }
     try {
       let identity = JSON.parse(body);
-      let membership = identity.included[0];
+      let membership = identity.included && identity.included[0];
       let entitledAmount = membership && membership.attributes
         .currently_entitled_amount_cents || 0;
       writeEntitledCents(userId, entitledAmount);
@@ -85,7 +84,7 @@ const updatePatreonDetails = function(user){
     throw new Meteor.Error('no-patreon-access', 'Patreon access token not found for this user');
   }
   let accessToken = user.services.patreon.accessToken;
-  if (user.services.patreon.tokenExpiryDate < new Date()){
+  if (user.services.patreon.expiresAt < new Date()){
     // Token expired, refresh it before continuing
     accessToken = refreshAccessToken(user.services.patreon.refreshToken, user._id);
   }
@@ -96,7 +95,7 @@ Meteor.methods({
   updateMyPatreonDetails(){
     const userId = this.userId;
     if (!userId) throw new Meteor.Error('not-logged-in', 'You must be logged in to update Patreon details');
-    const user = Meteor.users.findOne(userId, {fields: {patreon: 1}});
+    const user = Meteor.users.findOne(userId, {fields: {services: 1}});
     updatePatreonDetails(user);
   },
 });
@@ -113,9 +112,9 @@ const writePatreonToken = function(userId, {
   // Write
   Meteor.users.update(userId, {
     $set: {
-      'patreon.accessToken': access_token,
+      'services.patreon.accessToken': access_token,
-      'patreon.refreshToken': refresh_token,
+      'services.patreon.refreshToken': refresh_token,
-      'patreon.tokenExpiryDate': expiryDate,
+      'services.patreon.expiresAt': expiryDate,
     },
     $unset: {
       'patreon.error': 1,
@@ -127,6 +126,7 @@ const writeEntitledCents = function(userId, amount){
   Meteor.users.update(userId, {
     $set: {
       'services.patreon.entitledCents': amount,
+      'services.patreon.lastUpdatedIdentity': new Date(),
     },
     $unset: {
       'patreon.error': 1,
@@ -134,4 +134,4 @@ const writeEntitledCents = function(userId, amount){
   });
 };
 
-export { updatePatreonDetails };
+export default updatePatreonDetails;

app/imports/api/users/patreon/updatePatreonOnLogin.js

@@ -0,0 +1,12 @@
+import updatePatreonDetails from '/imports/api/users/patreon/updatePatreonDetails.js';
+const ONE_DAY = 24 * 60 * 60 * 1000;
+
+Accounts.onLogin(({user}) => {
+  let patreon = user.services && user.services.patreon;
+  if (patreon){
+    const timeSinceIdentityUpdate = new Date() - patreon.lastUpdatedIdentity;
+    if (timeSinceIdentityUpdate > ONE_DAY){
+      updatePatreonDetails(user);
+    }
+  }
+});

app/imports/constants/INVENTORY_TAGS.js

@@ -0,0 +1,7 @@
+const INVENTORY_TAGS = Object.freeze({
+  inventory: 'inventory',
+  equipment: 'equipment',
+  carried: 'carried',
+});
+
+export default INVENTORY_TAGS;

app/imports/constants/PROPERTIES.js

@@ -75,6 +75,10 @@ const PROPERTIES = Object.freeze({
     icon: 'tab_unselected',
     name: 'Slot'
   },
+  slotFiller: {
+    icon: 'picture_in_picture',
+    name: 'Slot filler'
+  },
   spellList: {
     icon: '$vuetify.icons.spell_list',
     name: 'Spell list'

app/imports/constants/VERSION.js

@@ -0,0 +1,16 @@
+
+const VERSION = Meteor.isClient ?
+  'CLIENT' :
+  process.env.CONTAINER_VERSION || getVersionFromGit();
+
+export default VERSION;
+
+function getVersionFromGit(){
+  try {
+    return require('child_process')
+      .execSync('git rev-parse --short HEAD')
+      .toString().trim();
+  } catch (e){
+    return 'GIT_VERSION_FAIL'
+  }
+}

app/imports/parser/compileFunctions/index.js

@@ -1,7 +0,0 @@
-// All of the compile functions are provided for use in compiling parse trees
-// Every compile function takes in ParseNodes as arguements and returns a single
-// ConstantNode as a result
-
-const compileFunctions = {};
-
-export compileFunctions;

app/imports/parser/compileFunctions/sum.js

@@ -1,15 +0,0 @@
-export default function sum(inputNode) {
-  let node = inputNode.roll();
-	if (node.type === 'numberArray'){
-		let total = node.value.reduce((total, num) => total + num, 0);
-		return new ConstantNode({type: 'number', value: total});
-	} else {
-		let errors = node.errors || [];
-		errors.push(`Could not sum ${node.value}`);
-		return new ConstantNode({
-			type: 'uncompiledNode',
-			value: node.value,
-			errors,
-		});
-	}
-}

app/imports/parser/functions.js

@@ -0,0 +1,94 @@
+export default {
+  'abs': {
+    comment: 'Returns the absolute value of a number',
+    examples: [
+      {input: 'abs(9)', result: '9'},
+      {input: 'abs(-3)', result: '3'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.abs,
+  },
+  'sqrt': {
+    comment: 'Returns the square root of a number',
+    examples: [
+      {input: 'sqrt(16)', result: '4'},
+      {input: 'sqrt(10)', result: '3.1622776601683795'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.sqrt,
+  },
+  'max': {
+    comment: 'Returns the largest of the given numbers',
+    examples: [{input: 'min(12, 6, 3, 168)', result: '168'}],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.max,
+  },
+  'min': {
+    comment: 'Returns the smallest of the given numbers',
+    examples: [{input: 'min(12, 6, 3, 168)', result: '3'}],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.min,
+  },
+  'round': {
+    comment: 'Returns the value of a number rounded to the nearest integer',
+    examples: [
+      {input: 'round(5.95)', result: '6'},
+      {input: 'round(5.5)', result: '6'},
+      {input: 'round(5.05)', result: '5'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.round,
+  },
+  'floor': {
+    comment: 'Rounds a number down to the next smallest integer',
+    examples: [
+      {input: 'floor(5.95)', result: '5'},
+      {input: 'floor(5.05)', result: '5'},
+      {input: 'floor(5)', result: '5'},
+      {input: 'floor(-5.5)', result: '-6'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.floor,
+  },
+  'ceil': {
+    comment: 'Rounds a number up to the next largest integer',
+    examples: [
+      {input: 'ceil(5.95)', result: '6'},
+      {input: 'ceil(5.05)', result: '6'},
+      {input: 'ceil(5)', result: '5'},
+      {input: 'ceil(-5.5)', result: '-5'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.ceil,
+  },
+  'trunc': {
+    comment: 'Returns the integer part of a number by removing any fractional digits',
+    examples: [
+      {input: 'trunc(5.95)', result: '5'},
+      {input: 'trunc(5.05)', result: '5'},
+      {input: 'trunc(5)', result: '5'},
+      {input: 'trunc(-5.5)', result: '-5'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.trunc,
+  },
+  'sign': {
+    comment: 'Returns either a positive or negative 1, indicating the sign of a number, or zero',
+    examples: [
+      {input: 'sign(-3)', result: '-1'},
+      {input: 'sign(3)', result: '1'},
+      {input: 'sign(0)', result: '0'},
+    ],
+    argumentType: 'number',
+    resultType: 'number',
+    fn: Math.sign,
+  }
+}

app/imports/parser/grammar.js

@@ -2,11 +2,19 @@
 // http://github.com/Hardmath123/nearley
 function id(x) { return x[0]; }
 
+  import AccessorNode from '/imports/parser/parseTree/AccessorNode.js';
+  import ArrayNode from '/imports/parser/parseTree/ArrayNode.js';
 	import CallNode from '/imports/parser/parseTree/CallNode.js';
 	import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
-	import IfNode from '/imports/parser/parseTree/IfNode.js';
+  import IfNode from '/imports/parser/parseTree/IfNode.js';
+	import IndexNode from '/imports/parser/parseTree/IndexNode.js';
 	import OperatorNode from '/imports/parser/parseTree/OperatorNode.js';
-	import SymbolNode from '/imports/parser/parseTree/SymbolNode.js';
+  import ParenthesisNode from '/imports/parser/parseTree/ParenthesisNode.js';
+  import RollNode from '/imports/parser/parseTree/RollNode.js';
+  import SymbolNode from '/imports/parser/parseTree/SymbolNode.js';
+  import UnaryOperatorNode from '/imports/parser/parseTree/UnaryOperatorNode.js';
+  import NotOperatorNode from '/imports/parser/parseTree/NotOperatorNode.js';
+
 	import moo from 'moo';
 
   const lexer = moo.compile({
@@ -16,26 +24,30 @@ function id(x) { return x[0]; }
       value: s => s.slice(1, -1),
     },
     name: {
-      match: /[a-zA-Z]+\w*?/,
+      match: /[a-zA-Z_]*[a-ce-zA-Z_][a-zA-Z0-9_]*/,
       type: moo.keywords({
-        'keywords': ['if', 'else', 'd'],
+        'keywords': ['true', 'false'],
       }),
     },
     space: {
       match: /\s+/,
       lineBreaks: true,
     },
-    separators: [',', '.'],
+    diceOperator: ['d'],
+    separator: [',', ';'],
+    period: ['.'],
+    ifOperator: ['?'],
+    elseOperator: [':'],
     multiplicativeOperator: ['*', '/'],
     exponentOperator: ['^'],
     additiveOperator: ['+', '-'],
-    unaryOperator: ['-'],
     andOperator: ['&', '&&'],
     orOperator: ['|', '||'],
     stringDelimiters: ['\"', '\''],
     equalityOperator: ['=', '==', '===', '!=', '!=='],
+    notOperator: ['!'],
     relationalOperator: ['>', '<', '>=', '<='],
-    brackets: ['(', ')', '{', '}'],
+    brackets: ['(', ')', '{', '}', '[', ']'],
   });
 
   function nuller() { return null; }
@@ -49,50 +61,78 @@ function id(x) { return x[0]; }
   }
 let Lexer = lexer;
 let ParserRules = [
-    {"name": "ifStatement", "symbols": [{"literal":"if"}, "_", {"literal":"("}, "_", "expression", "_", {"literal":")"}, "_", "ifStatement", "_", {"literal":"else"}, "_", "ifStatement"], "postprocess": 
+    {"name": "spacedExpression", "symbols": ["_", "expression", "_"], "postprocess": d => d[1]},
-        d => new IfNode({condition: d[4], consequent: d[8], alternative: d[12]})
+    {"name": "expression", "symbols": ["ifStatement"], "postprocess": id},
+    {"name": "ifStatement", "symbols": ["orExpression", "_", (lexer.has("ifOperator") ? {type: "ifOperator"} : ifOperator), "_", "orExpression", "_", (lexer.has("elseOperator") ? {type: "elseOperator"} : elseOperator), "_", "ifStatement"], "postprocess": 
+        d => new IfNode({condition: d[0], consequent: d[4], alternative: d[8]})
           },
-    {"name": "ifStatement", "symbols": ["expression"], "postprocess": id},
+    {"name": "ifStatement", "symbols": ["orExpression"], "postprocess": id},
-    {"name": "expression", "symbols": ["equalityExpression"], "postprocess": d => d[0]},
-    {"name": "equalityExpression", "symbols": ["equalityExpression", "_", (lexer.has("equalityOperator") ? {type: "equalityOperator"} : equalityOperator), "_", "relationalExpression"], "postprocess": d => operator(d, 'equality')},
-    {"name": "equalityExpression", "symbols": ["relationalExpression"], "postprocess": id},
-    {"name": "relationalExpression", "symbols": ["relationalExpression", "_", (lexer.has("relationalOperator") ? {type: "relationalOperator"} : relationalOperator), "_", "orExpression"], "postprocess": d => operator(d, 'relation')},
-    {"name": "relationalExpression", "symbols": ["orExpression"], "postprocess": id},
     {"name": "orExpression", "symbols": ["orExpression", "_", (lexer.has("orOperator") ? {type: "orOperator"} : orOperator), "_", "andExpression"], "postprocess": d => operator(d, 'or')},
     {"name": "orExpression", "symbols": ["andExpression"], "postprocess": id},
-    {"name": "andExpression", "symbols": ["andExpression", "_", (lexer.has("andOperator") ? {type: "andOperator"} : andOperator), "_", "additiveExpression"], "postprocess": d => operator(d, 'and')},
+    {"name": "andExpression", "symbols": ["andExpression", "_", (lexer.has("andOperator") ? {type: "andOperator"} : andOperator), "_", "equalityExpression"], "postprocess": d => operator(d, 'and')},
-    {"name": "andExpression", "symbols": ["additiveExpression"], "postprocess": id},
+    {"name": "andExpression", "symbols": ["equalityExpression"], "postprocess": id},
+    {"name": "equalityExpression", "symbols": ["equalityExpression", "_", (lexer.has("equalityOperator") ? {type: "equalityOperator"} : equalityOperator), "_", "relationalExpression"], "postprocess": d => operator(d, 'equality')},
+    {"name": "equalityExpression", "symbols": ["relationalExpression"], "postprocess": id},
+    {"name": "relationalExpression", "symbols": ["relationalExpression", "_", (lexer.has("relationalOperator") ? {type: "relationalOperator"} : relationalOperator), "_", "additiveExpression"], "postprocess": d => operator(d, 'relation')},
+    {"name": "relationalExpression", "symbols": ["additiveExpression"], "postprocess": id},
     {"name": "additiveExpression", "symbols": ["additiveExpression", "_", (lexer.has("additiveOperator") ? {type: "additiveOperator"} : additiveOperator), "_", "multiplicativeExpression"], "postprocess": d => operator(d, 'add')},
     {"name": "additiveExpression", "symbols": ["multiplicativeExpression"], "postprocess": id},
     {"name": "multiplicativeExpression", "symbols": ["multiplicativeExpression", "_", (lexer.has("multiplicativeOperator") ? {type: "multiplicativeOperator"} : multiplicativeOperator), "_", "rollExpression"], "postprocess": d => operator(d, 'multiply')},
     {"name": "multiplicativeExpression", "symbols": ["rollExpression"], "postprocess": id},
-    {"name": "rollExpression", "symbols": ["rollExpression", "_", {"literal":"d"}, "_", "exponentExpression"], "postprocess": d => operator(d, 'roll')},
+    {"name": "rollExpression", "symbols": ["rollExpression", "_", (lexer.has("diceOperator") ? {type: "diceOperator"} : diceOperator), "_", "exponentExpression"], "postprocess": d => new RollNode({left: d[0], right: d[4]})},
-    {"name": "rollExpression", "symbols": ["exponentExpression"], "postprocess": id},
+    {"name": "rollExpression", "symbols": ["singleRollExpression"], "postprocess": id},
+    {"name": "singleRollExpression", "symbols": [{"literal":"d"}, "_", "singleRollExpression"], "postprocess": d => new RollNode({left: new ConstantNode({value: 1, type: 'number'}), right: d[2]})},
+    {"name": "singleRollExpression", "symbols": ["exponentExpression"], "postprocess": id},
     {"name": "exponentExpression", "symbols": ["callExpression", "_", (lexer.has("exponentOperator") ? {type: "exponentOperator"} : exponentOperator), "_", "exponentExpression"], "postprocess": d => operator(d, 'exponent')},
-    {"name": "exponentExpression", "symbols": ["callExpression"], "postprocess": id},
+    {"name": "exponentExpression", "symbols": ["unaryExpression"], "postprocess": id},
+    {"name": "unaryExpression", "symbols": [(lexer.has("additiveOperator") ? {type: "additiveOperator"} : additiveOperator), "_", "unaryExpression"], "postprocess": d => new UnaryOperatorNode({operator: d[0].value, right: d[2]})},
+    {"name": "unaryExpression", "symbols": ["notExpression"], "postprocess": id},
+    {"name": "notExpression", "symbols": [(lexer.has("notOperator") ? {type: "notOperator"} : notOperator), "_", "notExpression"], "postprocess": d => new NotOperatorNode({right: d[2]})},
+    {"name": "notExpression", "symbols": ["callExpression"], "postprocess": id},
     {"name": "callExpression", "symbols": ["name", "_", "arguments"], "postprocess": 
-        d => new CallNode ({type: "call", fn: d[0], arguments: d[2]})
+        d => new CallNode ({functionName: d[0].name, args: d[2]})
           },
-    {"name": "callExpression", "symbols": ["parenthesizedExpression"], "postprocess": id},
+    {"name": "callExpression", "symbols": ["indexExpression"], "postprocess": id},
     {"name": "arguments$ebnf$1$subexpression$1", "symbols": ["expression"], "postprocess": d => d[0]},
     {"name": "arguments$ebnf$1", "symbols": ["arguments$ebnf$1$subexpression$1"], "postprocess": id},
     {"name": "arguments$ebnf$1", "symbols": [], "postprocess": function(d) {return null;}},
     {"name": "arguments$ebnf$2", "symbols": []},
-    {"name": "arguments$ebnf$2$subexpression$1", "symbols": ["_", {"literal":","}, "_", "expression"], "postprocess": d => d[3]},
+    {"name": "arguments$ebnf$2$subexpression$1", "symbols": ["_", (lexer.has("separator") ? {type: "separator"} : separator), "_", "expression"], "postprocess": d => d[3]},
     {"name": "arguments$ebnf$2", "symbols": ["arguments$ebnf$2", "arguments$ebnf$2$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
     {"name": "arguments", "symbols": [{"literal":"("}, "_", "arguments$ebnf$1", "arguments$ebnf$2", "_", {"literal":")"}], "postprocess": 
         d => [d[2], ...d[3]]
+        },
+    {"name": "indexExpression", "symbols": ["arrayExpression", {"literal":"["}, "_", "expression", "_", {"literal":"]"}], "postprocess": d => new IndexNode ({array: d[0], index: d[3]})},
+    {"name": "indexExpression", "symbols": ["arrayExpression"], "postprocess": id},
+    {"name": "arrayExpression$ebnf$1$subexpression$1", "symbols": ["expression"], "postprocess": d => d[0]},
+    {"name": "arrayExpression$ebnf$1", "symbols": ["arrayExpression$ebnf$1$subexpression$1"], "postprocess": id},
+    {"name": "arrayExpression$ebnf$1", "symbols": [], "postprocess": function(d) {return null;}},
+    {"name": "arrayExpression$ebnf$2", "symbols": []},
+    {"name": "arrayExpression$ebnf$2$subexpression$1", "symbols": ["_", (lexer.has("separator") ? {type: "separator"} : separator), "_", "expression"], "postprocess": d => d[3]},
+    {"name": "arrayExpression$ebnf$2", "symbols": ["arrayExpression$ebnf$2", "arrayExpression$ebnf$2$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
+    {"name": "arrayExpression", "symbols": [{"literal":"["}, "_", "arrayExpression$ebnf$1", "arrayExpression$ebnf$2", "_", {"literal":"]"}], "postprocess": 
+        d => new ArrayNode({values: d[2] ? [d[2], ...d[3]] : []})
           },
-    {"name": "parenthesizedExpression", "symbols": [{"literal":"("}, "_", "expression", "_", {"literal":")"}], "postprocess": d => d[2]},
+    {"name": "arrayExpression", "symbols": ["parenthesizedExpression"], "postprocess": id},
-    {"name": "parenthesizedExpression", "symbols": ["valueExpression"], "postprocess": id},
+    {"name": "parenthesizedExpression", "symbols": [{"literal":"("}, "_", "expression", "_", {"literal":")"}], "postprocess": d => new ParenthesisNode({content: d[2]})},
+    {"name": "parenthesizedExpression", "symbols": ["accessorExpression"], "postprocess": id},
+    {"name": "accessorExpression$ebnf$1$subexpression$1", "symbols": [{"literal":"."}, "name"], "postprocess": d => d[1].name},
+    {"name": "accessorExpression$ebnf$1", "symbols": ["accessorExpression$ebnf$1$subexpression$1"]},
+    {"name": "accessorExpression$ebnf$1$subexpression$2", "symbols": [{"literal":"."}, "name"], "postprocess": d => d[1].name},
+    {"name": "accessorExpression$ebnf$1", "symbols": ["accessorExpression$ebnf$1", "accessorExpression$ebnf$1$subexpression$2"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
+    {"name": "accessorExpression", "symbols": ["name", "accessorExpression$ebnf$1"], "postprocess": d=> new AccessorNode({name: d[0], path: d[1]})},
+    {"name": "accessorExpression", "symbols": ["valueExpression"], "postprocess": id},
     {"name": "valueExpression", "symbols": ["name"], "postprocess": id},
     {"name": "valueExpression", "symbols": ["number"], "postprocess": id},
     {"name": "valueExpression", "symbols": ["string"], "postprocess": id},
-    {"name": "number", "symbols": [(lexer.has("number") ? {type: "number"} : number)], "postprocess": d => new ConstantNode({value: d[0].value, type: 'number'})},
+    {"name": "valueExpression", "symbols": ["boolean"], "postprocess": id},
+    {"name": "number", "symbols": [(lexer.has("number") ? {type: "number"} : number)], "postprocess": d => new ConstantNode({value: +d[0].value, type: 'number'})},
     {"name": "name", "symbols": [(lexer.has("name") ? {type: "name"} : name)], "postprocess": d => new SymbolNode({name: d[0].value})},
     {"name": "string", "symbols": [(lexer.has("string") ? {type: "string"} : string)], "postprocess": d => new ConstantNode({value: d[0].value, type: 'string'})},
+    {"name": "boolean", "symbols": [{"literal":"true"}], "postprocess": d => new ConstantNode({value: true, type: 'boolean'})},
+    {"name": "boolean", "symbols": [{"literal":"false"}], "postprocess": d => new ConstantNode({value: false, type: 'boolean'})},
     {"name": "_", "symbols": []},
     {"name": "_", "symbols": [(lexer.has("space") ? {type: "space"} : space)], "postprocess": nuller}
 ];
-let ParserStart = "ifStatement";
+let ParserStart = "spacedExpression";
 export default { Lexer, ParserRules, ParserStart };

app/imports/parser/grammar.ne

@@ -1,10 +1,18 @@
 @preprocessor esmodule
 @{%
+  import AccessorNode from '/imports/parser/parseTree/AccessorNode.js';
+  import ArrayNode from '/imports/parser/parseTree/ArrayNode.js';
 	import CallNode from '/imports/parser/parseTree/CallNode.js';
 	import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
-	import IfNode from '/imports/parser/parseTree/IfNode.js';
+  import IfNode from '/imports/parser/parseTree/IfNode.js';
+	import IndexNode from '/imports/parser/parseTree/IndexNode.js';
 	import OperatorNode from '/imports/parser/parseTree/OperatorNode.js';
-	import SymbolNode from '/imports/parser/parseTree/SymbolNode.js';
+  import ParenthesisNode from '/imports/parser/parseTree/ParenthesisNode.js';
+  import RollNode from '/imports/parser/parseTree/RollNode.js';
+  import SymbolNode from '/imports/parser/parseTree/SymbolNode.js';
+  import UnaryOperatorNode from '/imports/parser/parseTree/UnaryOperatorNode.js';
+  import NotOperatorNode from '/imports/parser/parseTree/NotOperatorNode.js';
+
 	import moo from 'moo';
 
   const lexer = moo.compile({
@@ -14,26 +22,30 @@
       value: s => s.slice(1, -1),
     },
     name: {
-      match: /[a-zA-Z]+\w*?/,
+      match: /[a-zA-Z_]*[a-ce-zA-Z_][a-zA-Z0-9_]*/,
       type: moo.keywords({
-        'keywords': ['if', 'else', 'd'],
+        'keywords': ['true', 'false'],
       }),
     },
     space: {
       match: /\s+/,
       lineBreaks: true,
     },
-    separators: [',', '.'],
+    diceOperator: ['d'],
+    separator: [',', ';'],
+    period: ['.'],
+    ifOperator: ['?'],
+    elseOperator: [':'],
     multiplicativeOperator: ['*', '/'],
     exponentOperator: ['^'],
     additiveOperator: ['+', '-'],
-    unaryOperator: ['-'],
     andOperator: ['&', '&&'],
     orOperator: ['|', '||'],
     stringDelimiters: ['\"', '\''],
     equalityOperator: ['=', '==', '===', '!=', '!=='],
+    notOperator: ['!'],
     relationalOperator: ['>', '<', '>=', '<='],
-    brackets: ['(', ')', '{', '}'],
+    brackets: ['(', ')', '{', '}', '[', ']'],
   });
 
   function nuller() { return null; }
@@ -50,21 +62,16 @@
 # Use the Moo lexer
 @lexer lexer
 
-ifStatement ->
+spacedExpression ->
-  "if" _ "(" _ expression _ ")" _ ifStatement _ "else" _ ifStatement {%
+  _ expression _ {% d => d[1] %}
-     d => new IfNode({condition: d[4], consequent: d[8], alternative: d[12]})
-  %}
-| expression {% id %}
 
 expression ->
-  equalityExpression {% d => d[0] %}
+  ifStatement {% id %}
 
-equalityExpression ->
+ifStatement ->
-  equalityExpression _ %equalityOperator _ relationalExpression {% d => operator(d, 'equality') %}
+  orExpression _ %ifOperator _ orExpression _ %elseOperator _ ifStatement {%
-| relationalExpression {% id %}
+     d => new IfNode({condition: d[0], consequent: d[4], alternative: d[8]})
-
+  %}
-relationalExpression ->
-  relationalExpression _ %relationalOperator _ orExpression {% d => operator(d, 'relation') %}
 | orExpression {% id %}
 
 orExpression ->
@@ -72,7 +79,15 @@ orExpression ->
 | andExpression {% id %}
 
 andExpression ->
-  andExpression _ %andOperator _ additiveExpression {% d => operator(d, 'and') %}
+  andExpression _ %andOperator _ equalityExpression {% d => operator(d, 'and') %}
+| equalityExpression {% id %}
+
+equalityExpression ->
+  equalityExpression _ %equalityOperator _ relationalExpression {% d => operator(d, 'equality') %}
+| relationalExpression {% id %}
+
+relationalExpression ->
+  relationalExpression _ %relationalOperator _ additiveExpression {% d => operator(d, 'relation') %}
 | additiveExpression {% id %}
 
 additiveExpression ->
@@ -84,36 +99,63 @@ multiplicativeExpression ->
 | rollExpression {% id %}
 
 rollExpression ->
-  rollExpression _ "d" _ exponentExpression {% d => operator(d, 'roll') %}
+  rollExpression _ %diceOperator _ exponentExpression {% d => new RollNode({left: d[0], right: d[4]}) %}
+| singleRollExpression {% id %}
+
+singleRollExpression ->
+  "d" _ singleRollExpression {% d => new RollNode({left: new ConstantNode({value: 1, type: 'number'}), right: d[2]}) %}
 | exponentExpression {% id %}
 
 exponentExpression ->
   callExpression _ %exponentOperator _ exponentExpression {% d => operator(d, 'exponent') %}
+| unaryExpression {% id %}
+
+unaryExpression ->
+  %additiveOperator _ unaryExpression {% d => new UnaryOperatorNode({operator: d[0].value, right: d[2]})%}
+| notExpression {% id %}
+
+notExpression ->
+  %notOperator _ notExpression {% d => new NotOperatorNode({right: d[2]})%}
 | callExpression {% id %}
 
 callExpression ->
   name _ arguments {%
-    d => new CallNode ({type: "call", fn: d[0], arguments: d[2]})
+    d => new CallNode ({functionName: d[0].name, args: d[2]})
+  %}
+| indexExpression {% id %}
+
+arguments ->
+"(" _ (expression {% d => d[0] %}):? ( _ %separator _ expression {% d => d[3] %} ):* _ ")" {%
+  d => [d[2], ...d[3]]
+  %}
+
+indexExpression ->
+  arrayExpression "[" _ expression _ "]" {% d => new IndexNode ({array: d[0], index: d[3]}) %}
+| arrayExpression {% id %}
+
+arrayExpression ->
+  "[" _ (expression {% d => d[0] %}):? ( _ %separator _ expression {% d => d[3] %} ):* _ "]" {%
+    d => new ArrayNode({values: d[2] ? [d[2], ...d[3]] : []})
   %}
 | parenthesizedExpression {% id %}
 
-arguments ->
-  "(" _ (expression {% d => d[0] %}):? ( _ "," _ expression {% d => d[3] %} ):* _ ")" {%
-    d => [d[2], ...d[3]]
-  %}
-
 parenthesizedExpression ->
-  "(" _ expression _ ")" {% d => d[2] %}
+  "(" _ expression _ ")" {% d => new ParenthesisNode({content: d[2]}) %}
+| accessorExpression {% id %}
+
+accessorExpression ->
+  name ( "." name {% d => d[1].name %} ):+ {% d=> new AccessorNode({name: d[0], path: d[1]}) %}
 | valueExpression {% id %}
 
 valueExpression ->
   name {% id %}
 | number {% id %}
 | string {% id %}
+| boolean {% id %}
 
 # A number or a function of a number
 number ->
-  %number {% d => new ConstantNode({value: d[0].value, type: 'number'}) %}
+  %number {% d => new ConstantNode({value: +d[0].value, type: 'number'}) %}
 
 name ->
   %name {% d => new SymbolNode({name: d[0].value}) %}
@@ -121,6 +163,10 @@ name ->
 string ->
   %string {% d => new ConstantNode({value: d[0].value, type: 'string'}) %}
 
+boolean ->
+  "true" {% d => new ConstantNode({value: true, type: 'boolean'}) %}
+| "false" {% d => new ConstantNode({value: false, type: 'boolean'}) %}
+
 _ ->
   null
 | %space {% nuller %}

app/imports/parser/parseTree/AccessorNode.js

@@ -0,0 +1,47 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
+
+export default class AccessorNode extends ParseNode {
+  constructor({name, path}) {
+    super(...arguments);
+    this.name = name;
+    this.path = path;
+  }
+  compile(scope){
+    let value = scope && scope[this.name];
+    // For objects, get their value
+    this.path.forEach(name => {
+      if (value === undefined) return;
+      value = value[name];
+    });
+    let type = typeof value;
+    if (type === 'string' || type === 'number' || type === 'boolean'){
+      return new ConstantNode({value, type, previousNodes: [this]});
+    } else if (type === 'undefined'){
+      return new AccessorNode({
+        name: this.name,
+        path: this.path,
+      });
+    } else {
+      throw new Meteor.Error(`Unexpected case: ${this.name} resolved to ${value}`);
+    }
+  }
+  reduce(scope, context){
+    let result = this.compile(scope, context);
+    if (result instanceof AccessorNode){
+      if (context) context.storeError({
+        type: 'info',
+        message: `${result.toString()} not found, set to 0`
+      });
+      return new ConstantNode({
+        type: 'number',
+        value: 0,
+      });
+    } else {
+      return result;
+    }
+  }
+  toString(){
+    return `${this.name}.${this.path.join('.')}`;
+  }
+}

app/imports/parser/parseTree/ArrayNode.js

@@ -0,0 +1,19 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+
+export default class ArrayNode extends ParseNode {
+  constructor({values}) {
+    super(...arguments);
+    this.values = values;
+  }
+  resolve(fn, scope, context){
+    let values = this.values.map(node => node[fn](scope, context));
+    return new ArrayNode({values});
+  }
+  toString(){
+    return `[${this.values.map(node => node.toString()).join(', ')}]`;
+  }
+  traverse(fn){
+    fn(this);
+    this.values.forEach(value => value.traverse(fn));
+  }
+}

app/imports/parser/parseTree/CallNode.js

@@ -1 +1,73 @@
-//TODO
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import ErrorNode from '/imports/parser/parseTree/ErrorNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
+import functions from '/imports/parser/functions.js';
+
+export default class CallNode extends ParseNode {
+  constructor({functionName, args}) {
+    super(...arguments);
+    this.functionName = functionName;
+    this.args = args;
+  }
+  resolve(fn, scope, context){
+    let func = functions[this.functionName];
+    if (!func) return new ErrorNode({
+      node: this,
+      error: `${this.functionName} is not a function`,
+      context,
+    });
+    let args = castArgsToType({fn, scope, context, args: this.args, type: func.argumentType});
+    if (args.failed){
+      if (fn === 'reduce'){
+        return new ErrorNode({
+          node: this,
+          error: 'Could not convert all arguments to the correct type',
+          context,
+        });
+      } else {
+        return new CallNode({
+          functionName: this.functionName,
+          args: args,
+        });
+      }
+    } else {
+      try {
+        let value = func.fn.apply(null, args);
+        return new ConstantNode({
+          value,
+          type: 'number',
+          previousNodes: [this],
+        });
+      } catch (error) {
+        return new ErrorNode({
+          node: this,
+          error,
+          context,
+        });
+      }
+    }
+  }
+  toString(){
+    return `${this.functionName}(${this.args.map(node => node.toString()).join(', ')})`;
+  }
+  traverse(fn){
+    fn(this);
+    this.args.forEach(arg => arg.traverse(fn));
+  }
+}
+
+function castArgsToType({fn, scope, context, args, type}){
+  let resolvedArgs = args.map(node => node[fn](scope, context))
+  let result = [];
+  if (type === 'number'){
+    resolvedArgs.forEach(node => {
+      if (node.isNumber){
+        result.push(node.value);
+      } else {
+        resolvedArgs.failed = true;
+      }
+    })
+  }
+  if (resolvedArgs.failed) return resolvedArgs;
+  return result;
+}

app/imports/parser/parseTree/ConstantNode.js

@@ -1,21 +1,22 @@
 import ParseNode from '/imports/parser/parseTree/ParseNode.js';
 
 export default class ConstantNode extends ParseNode {
-  constructor({value, type, errors}){
+  constructor({value, type}){
-		super();
+		super(...arguments);
-    // string, number, boolean, numberArray, uncompiledNode
+    // string, number, boolean, uncompiledNode
     this.type = type;
     this.value = value;
-    if (errors) this.errors = errors;
   }
   compile(){
     return this;
   }
-  reduce(){
+  toString(){
-    if (this.type === 'numberArray'){
+    return `${this.value}`;
-	    return this.value.reduce((total, num) => total + num, 0);
+  }
-		} else {
+  get isNumber(){
-			return this;
+    return this.type === 'number';
-		}
+  }
+  get isInteger(){
+    return this.type === 'number' && Number.isInteger(this.value);
   }
 }

app/imports/parser/parseTree/ErrorNode.js

@@ -0,0 +1,21 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+
+export default class ErrorNode extends ParseNode {
+  constructor({node, error, context}) {
+		super(...arguments);
+    this.node = node;
+    this.error = error;
+    if (context){
+      context.storeError({
+        type: 'error',
+        message: error,
+      });
+    }
+  }
+  compile(){
+    return this;
+  }
+  toString(){
+    return '###';
+  }
+}

app/imports/parser/parseTree/IfNode.js

@@ -3,38 +3,35 @@ import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
 
 export default class IfNode extends ParseNode {
   constructor({condition, consequent, alternative}){
-		super();
+		super(...arguments);
     this.condition = condition;
     this.consequent = consequent;
     this.alternative = alternative;
   }
-  compile(){
+  toString(){
-    let condition = this.condition.compile();
+    let {condition, consequent, alternative} = this;
-    let consequent = this.consequent.compile();
+    return `${condition.toString()} ? ${consequent.toString()} : ${alternative.toString()}`
-    let alternative = this.alternative.compile();
+  }
-    if (
+  resolve(fn, scope, context){
-      condition.type !== 'string' &&
+    let condition = this.condition[fn](scope, context);
-			condition.type !== 'number' &&
+    if (condition instanceof ConstantNode){
-			condition.type !== 'boolean'
-    ){
-      // Handle unresolved condition
-      return new ConstantNode({
-        value: `if (${condition.value}) ${consequent.value} else ${alternative.value}`,
-        type: 'uncompiledNode',
-        errors: [
-          ...condition.errors,
-          ...consequent.errors,
-          ...alternative.errors,
-        ],
-      });
-    } else {
-			// So long as the condition reolves, return the correct alternative,
-			// even if it's unresolved
       if (condition.value){
-        return consequent;
+        return this.consequent[fn](scope, context);
       } else {
-        return alternative;
+        return this.alternative[fn](scope, context);
       }
+    } else {
+      return new IfNode({
+        condition: condition,
+        consequent: this.consequent,
+        alternative: this.alternative,
+      });
     }
   }
+  traverse(fn){
+    fn(this);
+    this.condition.traverse(fn);
+    this.consequent.traverse(fn);
+    this.alternative.traverse(fn);
+  }
 }

app/imports/parser/parseTree/IndexNode.js

@@ -0,0 +1,32 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+
+export default class IndexNode extends ParseNode {
+  constructor({array, index}) {
+		super(...arguments);
+    this.array = array;
+    this.index = index;
+  }
+  resolve(fn, scope, context){
+    let index = this.index[fn](scope, context);
+    if (index.isInteger){
+      let selection = this.array.values[index.value - 1];
+      if (selection){
+        let result = selection[fn](scope, context);
+        return result;
+      }
+    }
+    return new IndexNode({
+      index,
+      array: this.array[fn](scope, context),
+      previousNodes: [this],
+    });
+  }
+  toString(){
+    return `${this.array.toString()}[${this.index.toString()}]`;
+  }
+  traverse(fn){
+    fn(this);
+    this.array.traverse(fn);
+    this.index.traverse(fn);
+  }
+}

app/imports/parser/parseTree/NotOperatorNode.js

@@ -0,0 +1,31 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
+
+export default class NotOperatorNode extends ParseNode {
+  constructor({right}) {
+		super(...arguments);
+    this.right = right;
+  }
+  resolve(fn, scope, context){
+    let rightNode = this.right[fn](scope, context);
+    if (!(rightNode instanceof ConstantNode)){
+      return new NotOperatorNode({
+        right: rightNode,
+      });
+    }
+    let right = rightNode.value;
+    let result = !right;
+    return new ConstantNode({
+      value: result,
+      type: typeof result,
+    });
+  }
+  toString(){
+    let {right} = this;
+    return `!${right.toString()}`;
+  }
+  traverse(fn){
+    fn(this);
+    this.right.traverse(fn);
+  }
+}

app/imports/parser/parseTree/OperatorNode.js

@@ -1,11 +1,62 @@
 import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
 
 export default class OperatorNode extends ParseNode {
   constructor({left, right, operator, fn}) {
-		super();
+		super(...arguments);
     this.left = left;
     this.right = right;
     this.fn = fn;
     this.operator = operator;
   }
+  resolve(fn, scope, context){
+    let leftNode = this.left[fn](scope, context);
+    let rightNode = this.right[fn](scope, context);
+    let left, right;
+    if (!(leftNode instanceof ConstantNode) || !(rightNode instanceof ConstantNode)){
+      return new OperatorNode({
+        left: leftNode,
+        right: rightNode,
+        operator: this.operator,
+        fn: this.fn,
+      });
+    } else {
+      left = leftNode.value;
+      right = rightNode.value;
+    }
+    let result;
+    switch(this.operator){
+      case '+': result = left + right; break;
+      case '-': result = left - right; break;
+      case '*': result = left * right; break;
+      case '/': result = left / right; break;
+      case '^': result = Math.pow(left, right); break;
+      case '&':
+      case '&&': result = left && right; break;
+      case '|':
+      case '||': result = left || right; break;
+      case '=':
+      case '==':  result = left == right; break;
+      case '===': result = left === right; break;
+      case '!=':  result = left != right; break;
+      case '!==': result = left !== right; break;
+      case '>': result = left > right; break;
+      case '<': result = left < right; break;
+      case '>=': result = left >= right; break;
+      case '<=': result = left <= right; break;
+    }
+    return new ConstantNode({
+      value: result,
+      type: typeof result,
+    });
+  }
+  toString(){
+    let {left, right, operator} = this;
+    return `${left.toString()} ${operator} ${right.toString()}`;
+  }
+  traverse(fn){
+    fn(this);
+    this.left.traverse(fn);
+    this.right.traverse(fn);
+  }
 }

app/imports/parser/parseTree/ParenthesisNode.js

@@ -0,0 +1,27 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+
+export default class ParenthesisNode extends ParseNode {
+  constructor({content}) {
+		super(...arguments);
+    this.content = content;
+  }
+  resolve(fn, scope, context){
+    let content = this.content[fn](scope, context);
+    if (
+      content.constructor.name === 'IfNode' ||
+      content.constructor.name === 'OperatorNode' ||
+      content.constructor.name === 'RollNode'
+    ){
+      return new ParenthesisNode({content, previousNodes: [this]});
+    } else {
+      return content;
+    }
+  }
+  toString(){
+    return `(${this.content.toString()})`;
+  }
+  traverse(fn){
+    fn(this);
+    this.content.traverse(fn);
+  }
+}

app/imports/parser/parseTree/ParseNode.js

@@ -1,14 +1,33 @@
 export default class ParseNode {
-  // Compiling a node must return a ConstantNode
+  toString(){
-  compile(){
+    throw new Meteor.Error('toString not implemented on ' + this.constructor.name);
-    throw new Meteor.Error('Compile not implemented on ' + this);
+  }
+  compile(scope, context){
+    // Returns a ParseNode, a ConstantNode if possible
+    if(this.resolve) {
+      return this.resolve('compile', scope, context);
+    } else {
+      throw new Meteor.Error('Compile not implemented on ' + this.constructor.name);
+    }
   }
 	// Compile, but turn rolls into arrays
-  roll(){
+  roll(scope, context){
-    return this.compile();
+    if (this.resolve){
+      return this.resolve('roll', scope, context);
+    } else {
+      return this.compile(scope, context);
+    }
   }
 	// Compile, turn rolls into arrays, and reduce those arrays into single values
-	reduce(){
+	reduce(scope, context){
-		return this.compileAndRoll()
+    if (this.resolve){
+      return this.resolve('reduce', scope, context);
+    } else {
+      return this.roll(scope, context);
+    }
 	}
+  // If traverse isn't implemented, just apply it to the current node
+  traverse(fn){
+    fn(this);
+  }
 }

app/imports/parser/parseTree/RollArrayNode.js

@@ -0,0 +1,22 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
+
+export default class RollArrayNode extends ParseNode {
+  constructor({values}) {
+		super(...arguments);
+    this.values = values;
+  }
+  compile(){
+    return this;
+  }
+  toString(){
+    return `[${this.values.join(', ')}]`;
+  }
+  reduce(){
+    let total = this.values.reduce((a, b) => a + b);
+    return new ConstantNode({
+      value: total,
+      type: 'number',
+    });
+  }
+}

app/imports/parser/parseTree/RollNode.js

@@ -0,0 +1,67 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import RollArrayNode from '/imports/parser/parseTree/RollArrayNode.js';
+import ErrorNode from '/imports/parser/parseTree/ErrorNode.js';
+import roll from '/imports/parser/roll.js';
+
+export default class RollNode extends ParseNode {
+  constructor({left, right}) {
+		super(...arguments);
+    this.left = left;
+    this.right = right;
+  }
+  compile(scope, context){
+    let left = this.left.compile(scope, context);
+    let right = this.right.compile(scope, context);
+    return new RollNode({left, right, previousNodes: [this]});
+  }
+  toString(){
+    if (
+      this.left.isNumberNode && this.left.value === 1
+    ){
+      return `d${this.right.toString()}`;
+    } else {
+      return `${this.left.toString()}d${this.right.toString()}`;
+    }
+  }
+  roll(scope, context){
+    let left = this.left.reduce(scope, context);
+    let right = this.right.reduce(scope, context);
+    if (!left.isInteger){
+      return new ErrorNode({
+        node: this,
+        error: 'Number of dice is not an integer',
+        previousNodes: [this, left, right],
+      });
+    }
+    if (!right.isInteger){
+      return new ErrorNode({
+        node: this,
+        error: 'Dice size is not an integer',
+        previousNodes: [this, left, right],
+      });
+    }
+    let number = left.value;
+    if (context.doubleRolls){
+      number *= 2;
+    }
+    if (number > 100) return new ErrorNode({
+      node: this,
+      error: 'Can\'t roll more than 100 dice at once',
+      context,
+    });
+    let diceSize = right.value;
+    let values = roll(number, diceSize);
+    if (context){
+      context.storeRoll({number, diceSize, values});
+    }
+    return new RollArrayNode({values});
+  }
+  reduce(scope, context){
+    return this.roll(scope, context).reduce(scope, context);
+  }
+  traverse(fn){
+    fn(this);
+    this.left.traverse(fn);
+    this.right.traverse(fn);
+  }
+}

app/imports/parser/parseTree/SymbolNode.js

@@ -3,22 +3,43 @@ import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
 
 export default class SymbolNode extends ParseNode {
   constructor({name}){
-		super();
+		super(...arguments);
     this.name = name;
   }
+  toString(){
+    return `${this.name}`
+  }
   compile(scope){
     let value = scope && scope[this.name];
     let type = typeof value;
+    // For objects, get their value
+    if (type === 'object'){
+      value = value.value;
+      type = typeof value;
+    }
     if (type === 'string' || type === 'number' || type === 'boolean'){
       return new ConstantNode({value, type});
     } else if (type === 'undefined'){
-      return new ConstantNode({
+      return new SymbolNode({
-        value: this.name,
+        name: this.name,
-        type: 'uncompiledNode',
-        errors: [`${this.name} could not be resolved`]
       });
     } else {
       throw new Meteor.Error(`Unexpected case: ${this.name} resolved to ${value}`);
     }
   }
+  reduce(scope, context){
+    let result = this.compile(scope);
+    if (result instanceof SymbolNode){
+      if (context) context.storeError({
+        type: 'info',
+        message: `${result.toString()} not found, set to 0`
+      });
+      return new ConstantNode({
+        type: 'number',
+        value: 0,
+      });
+    } else {
+      return result;
+    }
+  }
 }

app/imports/parser/parseTree/UnaryOperatorNode.js

@@ -0,0 +1,37 @@
+import ParseNode from '/imports/parser/parseTree/ParseNode.js';
+import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
+
+export default class UnaryOperatorNode extends ParseNode {
+  constructor({operator, right}) {
+		super(...arguments);
+    this.operator = operator;
+    this.right = right;
+  }
+  resolve(fn, scope, context){
+    let rightNode = this.right[fn](scope, context);
+    if (rightNode.type !== 'number'){
+      return new UnaryOperatorNode({
+        operator: this.operator,
+        right: rightNode,
+      });
+    }
+    let right = rightNode.value;
+    let result;
+    switch(this.operator){
+      case '-': result = -right; break;
+      case '+': result = +right; break;
+    }
+    return new ConstantNode({
+      value: result,
+      type: typeof result,
+    });
+  }
+  toString(){
+    let {right, operator} = this;
+    return `${operator}${right.toString()}`;
+  }
+  traverse(fn){
+    fn(this);
+    this.right.traverse(fn);
+  }
+}

app/imports/parser/parser.js

@@ -6,3 +6,32 @@ const nearleyGrammar = nearley.Grammar.fromCompiled(grammar);
 export default function parser(){
   return new nearley.Parser(nearleyGrammar);
 }
+
+export class CompilationContext {
+  constructor({doubleRolls} = {}){
+    this.errors = [];
+    this.rolls = [];
+    this.doubleRolls = doubleRolls;
+  }
+  storeError(e){
+    this.errors.push(e);
+  }
+  storeRoll(r){
+    this.rolls.push(r);
+  }
+}
+
+export function parse(string){
+  let parser = new nearley.Parser(nearleyGrammar);
+  parser.feed(string);
+  let results = parser.results;
+  if (results.length === 1){
+    return results[0];
+  } else if (results.length === 0){
+    // Valid parsing up until now, but need more. Unexpected end of input.
+    return null;
+  } else {
+    console.warn('Grammar is ambiguous!', {string, results});
+    return results[0];
+  }
+}

app/imports/parser/roll.js

@@ -0,0 +1,9 @@
+export default function roll(number, diceSize){
+  let values = [];
+  let randomSrc = DDP.randomStream('diceRoller');
+  for (let i = 0; i < number; i++){
+    let roll = ~~(randomSrc.fraction() * diceSize) + 1
+    values.push(roll);
+  }
+  return values;
+}

app/imports/server/cron/deleteSoftRemovedDocuments.js

@@ -23,7 +23,7 @@ Meteor.startup(() => {
 				removedAt: {$lt: thirtyMinutesAgo} // dates *before* 30 minutes ago
 			}, function(error){
 				if (error){
-					console.error(error);
+					console.error(JSON.stringify(error, null, 2));
 				}
 			});
 		});
@@ -32,7 +32,7 @@ Meteor.startup(() => {
 	SyncedCron.add({
 		name: 'deleteSoftRemovedDocs',
 		schedule: function(parser) {
-			return parser.text('every 2 hours');
+			return parser.text('every 10 minutes');
 		},
 		job: deleteOldSoftRemovedDocs,
 	});

app/imports/server/discord/sendWebhook.js

@@ -0,0 +1,27 @@
+import Discord from 'discord.js'
+export default function sendWebhook({webhookURL, message, options}){
+  //webhookURL = https://discordapp.com/api/webhooks/<id>/<token>
+  let urlArray = webhookURL.split('/');
+  let token = urlArray.pop();
+  let id = urlArray.pop();
+  
+  // prevent discord mention exploit
+  options.disableMentions = 'all';
+  
+  const hook = new Discord.WebhookClient(id, token);
+  // Send a message using the webhook
+  hook.send(message, options)
+}
+
+export function sendWebhookAsCreature({creature, content, embeds}){
+  if (!creature || !creature.settings || !creature.settings.discordWebhook) return;
+  sendWebhook({
+    webhookURL: creature.settings.discordWebhook,
+    message: content,
+    options: {
+      username: creature.name,
+      avatarURL: creature.avatarPicture,
+      embeds,
+    },
+  });
+}

app/imports/server/discord/webhook.js

@@ -1,7 +0,0 @@
-import Discord from 'discord.js'
-export default function sendWebhook({webhook, message}){
-  // const hook = new Discord.WebhookClient(webhook.id, webhook.token);
-  const hook = new Discord.WebhookClient('420492135716880394', 'KHmRsf9QHd81C4LZOyQe_cUw5ua4ugSaIlpDMNWo3vcNHs0p0JBOHfeGWtHKqPXMYgkk');
-  // Send a message using the webhook
-  hook.send(message);
-}

app/imports/server/publications/characterList.js

@@ -5,7 +5,7 @@ Meteor.publish('characterList', function(){
   this.autorun(function (){
     var userId = this.userId;
     if (!userId) {
-      return this.ready();
+      return [];
     }
     const user = Meteor.users.findOne(this.userId, {
       fields: {subscribedCharacters: 1}

app/imports/server/publications/experiences.js

@@ -1,6 +1,7 @@
 import SimpleSchema from 'simpl-schema';
 import Creatures from '/imports/api/creature/Creatures.js';
 import Experiences from '/imports/api/creature/experience/Experiences.js';
+import { assertViewPermission } from '/imports/api/creature/creaturePermissions.js';
 
 let schema = new SimpleSchema({
   creatureId: {
@@ -13,6 +14,9 @@ Meteor.publish('experiences', function(creatureId){
   schema.validate({ creatureId });
   this.autorun(function (){
     let userId = this.userId;
+    if (!userId) {
+      return [];
+    }
     let creatureCursor = Creatures.find({
       _id: creatureId,
       $or: [
@@ -22,7 +26,11 @@ Meteor.publish('experiences', function(creatureId){
         {public: true},
       ],
     });
-    if (!creatureCursor.count()) return this.ready();
+    try {
+      assertViewPermission(creatureCursor.fetch()[0], this.userId);
+    } catch (e){
+      return [];
+    }
     return [
       Experiences.find({
         creatureId,

app/imports/server/publications/index.js

@@ -6,3 +6,4 @@ import '/imports/server/publications/experiences.js';
 import '/imports/server/publications/users.js';
 import '/imports/server/publications/icons.js';
 import '/imports/server/publications/tabletops.js';
+import '/imports/server/publications/slotFillers.js'

app/imports/server/publications/library.js

@@ -1,7 +1,7 @@
 import SimpleSchema from 'simpl-schema';
 import Libraries from '/imports/api/library/Libraries.js';
 import LibraryNodes from '/imports/api/library/LibraryNodes.js';
-
+import { assertViewPermission } from '/imports/api/sharing/sharingPermissions.js';
 const standardLibraryIds = [
   'SRDLibraryGA3XWsd',
 ];
@@ -12,10 +12,11 @@ Meteor.publish('standardLibraries', function(){
 
 Meteor.publish('libraries', function(){
   this.autorun(function (){
-    if (!this.userId) {
+    let userId = this.userId;
-      return this.ready();
+    if (!userId) {
+      return [];
     }
-    const user = Meteor.users.findOne(this.userId, {
+    const user = Meteor.users.findOne(userId, {
       fields: {subscribedLibraries: 1}
     });
     const subs = user && user.subscribedLibraries || [];
@@ -40,24 +41,13 @@ let libraryIdSchema = new SimpleSchema({
 Meteor.publish('library', function(libraryId){
   libraryIdSchema.validate({libraryId});
   this.autorun(function (){
-    let libraryCursor
+    let userId = this.userId;
-    if (this.userId) {
+    let libraryCursor = Libraries.find({
-      libraryCursor = Libraries.find({
+      _id: libraryId,
-        _id: libraryId,
+    });
-        $or: [
+    let library = libraryCursor.fetch()[0];
-          {owner: this.userId},
+    try { assertViewPermission(library, userId) }
-          {writers: this.userId},
+    catch(e){ return [] }
-          {readers: this.userId},
-          {public: true},
-        ],
-      });
-    } else {
-      libraryCursor = Libraries.find({
-        _id: libraryId,
-        public: true,
-      });
-    }
-    if (!libraryCursor.count()) return this.ready();
     return [
       libraryCursor,
       LibraryNodes.find({

app/imports/server/publications/publicationRateLimit.js

@@ -1,4 +1,4 @@
 // Limit all subscriptions to 1/s
 DDPRateLimiter.addRule({
   type: 'subscription',
-}, 10, 10000);
+}, 50, 10000);

app/imports/server/publications/singleCharacter.js

@@ -1,6 +1,10 @@
 import SimpleSchema from 'simpl-schema';
 import Creatures from '/imports/api/creature/Creatures.js';
 import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+import CreatureLogs from '/imports/api/creature/log/CreatureLogs.js';
+import { assertViewPermission } from '/imports/api/creature/creaturePermissions.js';
+import { recomputeCreatureById } from '/imports/api/creature/computation/recomputeCreature.js';
+import VERSION from '/imports/constants/VERSION.js';
 
 let schema = new SimpleSchema({
   creatureId: {
@@ -13,21 +17,28 @@ Meteor.publish('singleCharacter', function(creatureId){
   schema.validate({ creatureId });
   this.autorun(function (){
     let userId = this.userId;
-    let creatureCursor = Creatures.find({
+    let creatureCursor
+    creatureCursor = Creatures.find({
       _id: creatureId,
-      $or: [
-        {readers: userId},
-        {writers: userId},
-        {owner: userId},
-        {public: true},
-      ],
     });
-    if (!creatureCursor.count()) return this.ready();
+    let creature = creatureCursor.fetch()[0];
+    try { assertViewPermission(creature, userId) }
+    catch(e){ return [] }
+    if (creature.computeVersion !== VERSION){
+      try { recomputeCreatureById(creatureId) }
+      catch(e){ console.error(e) }
+    }
     return [
       creatureCursor,
       CreatureProperties.find({
         'ancestors.id': creatureId,
       }),
+      CreatureLogs.find({
+        creatureId,
+      }, {
+        limit: 20,
+        sort: {date: -1},
+      }),
     ];
   });
 });

app/imports/server/publications/slotFillers.js

@@ -0,0 +1,51 @@
+import Libraries from '/imports/api/library/Libraries.js';
+import LibraryNodes from '/imports/api/library/LibraryNodes.js';
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+
+Meteor.publish('slotFillers', function(slotId){
+  this.autorun(function (){
+    let userId = this.userId;
+    if (!userId) {
+      return [];
+    }
+    // Get the slot
+    let slot = CreatureProperties.findOne(slotId);
+    if (!slot){
+      return [];
+    }
+
+    // Get all the ids of libraries the user can access
+    const user = Meteor.users.findOne(userId, {
+      fields: {subscribedLibraries: 1}
+    });
+    const subs = user && user.subscribedLibraries || [];
+    let libraryIds = Libraries.find({
+      $or: [
+        {owner: this.userId},
+        {writers: this.userId},
+        {readers: this.userId},
+        {_id: {$in: subs}},
+      ]
+    }, {
+      fields: {_id: 1},
+    }).map(lib => lib._id);
+
+    // Build a filter for nodes in those libraries that match the slot
+    let filter = {
+      'ancestors.id': {$in: libraryIds},
+      removed: {$ne: true},
+    };
+    if (slot.slotTags && slot.slotTags.length){
+      filter.tags = {$all: slot.slotTags};
+    }
+    if (slot.slotType){
+      filter.$or = [{
+          type: slot.slotType
+        },{
+          type: 'slotFiller',
+          slotFillerType: slot.slotType,
+      }];
+    }
+    return LibraryNodes.find(filter);
+  });
+});

app/imports/server/publications/tabletops.js

@@ -5,7 +5,7 @@ import Messages from '/imports/api/tabletop/Messages.js';
 Meteor.publish('tabletops', function(){
   var userId = this.userId;
   if (!userId) {
-    return this.ready();
+    return [];
   }
   return Tabletops.find({
     $or: [
@@ -18,7 +18,7 @@ Meteor.publish('tabletops', function(){
 Meteor.publish('tabletop', function(tabletopId){
   var userId = this.userId;
   if (!userId) {
-    return this.ready();
+    return [];
   }
   this.autorun(function (){
     let tabletopCursor = Tabletops.find({
@@ -30,7 +30,7 @@ Meteor.publish('tabletop', function(tabletopId){
     });
     let tabletop = tabletopCursor.fetch()[0];
     if (!tabletop){
-      return this.ready();
+      return [];
     }
     // Warning, this leaks data to users of the same tabletop who may not have
     // read permission of this specific creature, so publish as few fields as

app/imports/ui/components/ToolbarCard.vue

@@ -1,6 +1,7 @@
 <template lang="html">
   <v-card
     :hover="hasClickListener"
+    :elevation="hovering ? 8 : undefined"
     class="toolbar-card"
     @click="$emit('click')"
   >
@@ -11,6 +12,8 @@
       :dark="isDark"
       :light="!isDark"
       @click="$emit('toolbarclick')"
+      @mouseover="hoverToolbar(true)"
+      @mouseleave="hoverToolbar(false)"
     >
       <slot name="toolbar" />
     </v-toolbar>
@@ -31,17 +34,27 @@
 				},
 			},
 		},
+    data(){ return {
+      hovering: false,
+    }},
 		computed: {
 			isDark(){
 				return isDarkColor(this.color);
 			},
 			hasClickListener(){
-	    	return this.$listeners && !!this.$listeners.click;
+        return this.$listeners && !!this.$listeners.click;
 			},
 			hasToolbarClickListener(){
-	    	return this.$listeners && !!this.$listeners.toolbarclick;
+        return this.$listeners && !!this.$listeners.toolbarclick;
 			},
-		}
+		},
+    methods: {
+      hoverToolbar(val){
+        this.hovering = this.$listeners &&
+          !!this.$listeners.toolbarclick &&
+          val;
+      }
+    }
 	};
 </script>
 

app/imports/ui/components/rolls/Check.vue

@@ -0,0 +1,99 @@
+<template lang="html">
+  <v-card>
+    <template v-if="!result">
+      <v-btn-toggle v-model="advantage">
+        <v-btn flat>
+          Advantage
+        </v-btn>
+        <v-btn flat>
+          Disadvantage
+        </v-btn>
+      </v-btn-toggle>
+      <v-card-text>
+        <div class="layout row justify-center align-center">
+          <v-btn
+            large
+            fab
+            outline
+            @click="makeRoll"
+          >
+            <div class="display-1">
+              {{ numberToSignedString(bonus) }}
+            </div>
+          </v-btn>
+        </div>
+      </v-card-text>
+    </template>
+    <template v-else>
+      <div>
+        <div class="title">
+          <span
+            v-for="(roll, index) of rolls"
+            :key="index"
+            class="roll"
+            :class="{strikethrough: index !== chosenRollIndex}"
+          >
+            {{ roll }}
+          </span>
+          <span class="ml-1">
+            {{ numberToSignedString(bonus) }}
+          </span>
+        </div>
+        <div class="display-1">
+          {{ result }}
+        </div>
+      </div>
+    </template>
+  </v-card>
+</template>
+
+<script>
+import numberToSignedString from '/imports/ui/utility/numberToSignedString.js';
+export default {
+  props: {
+    attributeVarName: {
+      type: String,
+      default: '',
+    },
+    attributeName: {
+      type: String,
+      default: '',
+    },
+    creatureId: {
+      type: String,
+      default: '',
+    },
+    bonus: {
+      type: Number,
+      required: true,
+    },
+  },
+  data(){return {
+    advantage: undefined,
+    result: undefined,
+    rolls: undefined,
+    chosenRoll: undefined,
+    chosenRollIndex: undefined,
+  }},
+  methods: {
+    makeRoll(){
+      //let {rolls, bonus, chosenRoll, result} = doCheckWork.call();
+      this.rolls = [12, 8];
+      if (this.advantage === 1){
+        this.chosenRoll = 8;
+      } else {
+        this.chosenRoll = 12;
+      }
+      this.result = this.chosenRoll + this.bonus;
+      this.chosenRollIndex = this.rolls.indexOf(this.chosenRoll);
+    },
+    numberToSignedString,
+  }
+}
+</script>
+
+<style lang="css" scoped>
+  .strikethrough {
+    text-decoration: line-through;
+  }
+</style>

app/imports/ui/components/snackbars/Snackbars.vue

@@ -0,0 +1,48 @@
+<template lang="html">
+  <v-snackbar
+    v-if="snackbar"
+    :key="snackbar.text"
+    auto-height
+    bottom
+    :value="true"
+    :timeout="0"
+  >
+    {{ snackbar.text }}
+    <v-btn
+      v-if="snackbar.callback"
+      class="primary--text"
+      flat
+      icon
+      @click="doCallback"
+    >
+      {{ snackbar.callbackName }}
+    </v-btn>
+    <v-btn
+      v-if="snackbar.showCloseButton"
+      flat
+      icon
+      @click="$store.dispatch('closeSnackbar')"
+    >
+      <v-icon>close</v-icon>
+    </v-btn>
+  </v-snackbar>
+</template>
+
+<script>
+export default {
+  computed: {
+    snackbar(){
+      return this.$store.state.snackbars.snackbars[0];
+    }
+  },
+  methods: {
+    doCallback(){
+      this.snackbar.callback();
+      this.$store.dispatch('closeSnackbar')
+    }
+  }
+}
+</script>
+
+<style lang="css" scoped>
+</style>

app/imports/ui/components/snackbars/snackboxStore.js

@@ -0,0 +1,47 @@
+const snackbarStore = {
+  state: {
+    snackbars: [],
+    snackbarTimout: undefined,
+  },
+  mutations: {
+    addSnackbar(state, value){
+      state.snackbars.push(value)
+    },
+    closeCurrentSnackbar (state){
+      state.snackbars.shift();
+    },
+    cancelSnackbarTimeout (state){
+      if(state.snackbarTimout){
+        clearTimeout(state.snackbarTimout);
+      }
+    },
+    setSnackbarTimout(state, value){
+      state.snackbarTimout = value;
+    },
+  },
+  actions: {
+    snackbar({dispatch, commit}, value){
+      // value = {
+      //   text,
+      //   showCloseButton,
+      //   callback,
+      //   callbackName
+      // }
+      commit('addSnackbar', value);
+      commit('setSnackbarTimout', setTimeout(() => {
+        dispatch('closeSnackbar');
+      }, 5000));
+    },
+    closeSnackbar({dispatch, commit, state}){
+      commit('closeCurrentSnackbar');
+      commit('cancelSnackbarTimeout');
+      if (state.snackbars.length){
+        commit('setSnackbarTimout', setTimeout(() => {
+          dispatch('closeSnackbar');
+        }, 5000));
+      }
+    },
+  }
+};
+
+export default snackbarStore;

app/imports/ui/creature/CreatureForm.vue

@@ -4,24 +4,18 @@
       label="Name"
       :value="model.name"
       :error-messages="errors.name"
-      :debounce-time="debounceTime"
-      :disabled="disabled"
       @change="(value, ack) => $emit('change', {path: ['name'], value, ack})"
     />
     <text-field
       label="Alignment"
       :value="model.alignment"
       :error-messages="errors.alignment"
-      :debounce-time="debounceTime"
-      :disabled="disabled"
       @change="(value, ack) => $emit('change', {path: ['alignment'], value, ack})"
     />
     <text-field
       label="Gender"
       :value="model.gender"
       :error-messages="errors.gender"
-      :debounce-time="debounceTime"
-      :disabled="disabled"
       @change="(value, ack) => $emit('change', {path: ['gender'], value, ack})"
     />
     <text-field
@@ -29,8 +23,6 @@
       hint="A link to a high resolution image"
       :value="model.picture"
       :error-messages="errors.picture"
-      :debounce-time="debounceTime"
-      :disabled="disabled"
       @change="(value, ack) => $emit('change', {path: ['picture'], value, ack})"
     />
     <text-field
@@ -38,8 +30,6 @@
       hint="A link to a smaller, square image to use as an avatar"
       :value="model.avatarPicture"
       :error-messages="errors.avatarPicture"
-      :debounce-time="debounceTime"
-      :disabled="disabled"
       @change="(value, ack) => $emit('change', {path: ['avatarPicture'], value, ack})"
     />
     <form-sections>
@@ -47,7 +37,6 @@
         <v-switch
           label="Hide redundant stats"
           :input-value="model.settings.hideUnusedStats"
-          :disabled="disabled"
           @change="value => $emit('change', {path: ['settings','hideUnusedStats'], value: !!value})"
         />
         <text-field
@@ -59,30 +48,32 @@
           max="1"
           step="0.1"
           :value="model.settings.hitDiceResetMultiplier"
-          :debounce-time="debounceTime"
-          :disabled="disabled"
           @change="(value, ack) => $emit('change', {path: ['settings','hitDiceResetMultiplier'], value, ack})"
         />
+        <text-field
+          label="Discord Webhook URL"
+          hint="This creature's logs will be posted to the discord channel"
+          placeholder="https://discordapp.com/api/webhooks/<id>/<token>"
+          :value="model.settings.discordWebhook"
+          @change="(value, ack) => $emit('change', {path: ['settings','discordWebhook'], value, ack})"
+        />
       <!--
 				<v-switch
 					label="Use variant encumbrance"
 					:input-value="model.settings.useVariantEncumbrance"
 					:error-messages="errors.useVariantEncumbrance"
-          :disabled="disabled"
 					@change="value => $emit('change', {path: ['settings','useVariantEncumbrance'], value})"
 				/>
 				<v-switch
 					label="Hide spells tab"
 					:input-value="model.settings.hideSpellcasting"
 					:error-messages="errors.hideSpellcasting"
-          :disabled="disabled"
 					@change="value => $emit('change', {path: ['settings','hideSpellcasting'], value})"
 				/>
 				<v-switch
 					label="Swap ability scores and modifiers"
 					:input-value="model.settings.swapStatAndModifier"
 					:error-messages="errors.swapStatAndModifier"
-          :disabled="disabled"
 					@change="value => $emit('change', {path: ['settings','swapStatAndModifier'], value})"
 				/>
         -->
@@ -114,7 +105,6 @@ export default {
 		attackForm: {
 			type: Boolean,
 		},
-		debounceTime: Number,
     disabled: Boolean,
 	},
 };

app/imports/ui/creature/CreatureFormDialog.vue

@@ -2,7 +2,7 @@
   <dialog-base :color="model.color">
     <template slot="toolbar">
       <v-toolbar-title>
-        Creature Form Dialog
+        Character Details
       </v-toolbar-title>
       <v-spacer />
       <color-picker

app/imports/ui/creature/RestButton.vue

@@ -1,6 +1,7 @@
 <template lang="html">
   <v-btn
     :loading="loading"
+    :disabled="context.editPermission === false"
     outline
     style="width: 160px;"
     @click="rest"
@@ -16,6 +17,9 @@
 import restCreature from '/imports/api/creature/restCreature.js';
 
 export default {
+  inject: {
+    context: { default: {} }
+  },
   props:{
     type: {
       type: String,

app/imports/ui/creature/character/CharacterLog.vue

@@ -0,0 +1,127 @@
+<template lang="html">
+  <div
+    style="height: 100%; overflow: hidden;"
+    class="character-log layout column justify-end"
+  >
+    <div
+      class="log flex layout column reverse align-end pa-3"
+      style="overflow: auto;"
+    >
+      <v-card
+        v-for="log in logs"
+        :key="log._id"
+        class="ma-2"
+      >
+        <v-card-text class="pa-2">
+          <markdown-text :markdown="log.text" />
+        </v-card-text>
+      </v-card>
+    </div>
+    <v-card>
+      <v-text-field
+        v-model="input"
+        class="mx-2 mb-2"
+        persistent-hint
+        style="flex-grow: 0"
+        append-outer-icon="send"
+        :hint="inputHint"
+        :error-messages="inputError"
+        :disabled="!editPermission"
+        @click:append-outer="submit"
+        @keyup.enter="submit"
+      />
+    </v-card>
+  </div>
+</template>
+
+<script>
+import CreatureLogs, { logRoll } from '/imports/api/creature/log/CreatureLogs.js';
+import Creatures from '/imports/api/creature/Creatures.js';
+import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
+import { parse } from '/imports/parser/parser.js';
+import MarkdownText from '/imports/ui/components/MarkdownText.vue';
+
+export default {
+  components: {
+    MarkdownText,
+  },
+  props: {
+    creatureId: {
+      type: String,
+      required: true,
+    },
+  },
+  data(){return {
+    inputHint: undefined,
+    inputError: undefined,
+    input: undefined,
+  }},
+  watch: {
+    input(value){
+      this.input = value;
+      this.inputHint = this.inputError = undefined;
+      if (!this.input) return;
+      let result;
+      try {
+        result = parse(value);
+      } catch (e){
+        console.error(e);
+        this.inputError = 'Invalid syntax';
+        return;
+      }
+      if (result === null){
+        this.inputError =  '...';
+        return;
+      }
+      try {
+        let compiled = result.compile(this.creature.variables);
+        this.inputHint = compiled.toString();
+        return;
+      } catch (e){
+        console.error(e);
+        this.inputError = 'Compilation error';
+        return;
+      }
+    },
+  },
+  methods: {
+    submit(){
+      if (this.inputError || !this.input) return;
+      logRoll.call({
+        roll: this.input,
+        creatureId: this.creatureId,
+      }, (error) => {
+        if (error) console.error(error);
+      });
+      this.input = '';
+    },
+  },
+  meteor: {
+    logs(){
+      return CreatureLogs.find({
+        creatureId: this.creatureId,
+      }, {
+        sort: {date: -1},
+        limit: 20
+      });
+    },
+    creature(){
+      return Creatures.findOne(this.creatureId) || {};
+    },
+    editPermission(){
+      try {
+        assertEditPermission(this.creature, Meteor.userId());
+        return true;
+      } catch (e) {
+        return false;
+      }
+    },
+  },
+}
+</script>
+
+<style lang="css">
+  .log-tab p:last-child {
+    margin-bottom: 0;
+  }
+</style>

app/imports/ui/creature/character/CharacterSheet.vue

@@ -50,7 +50,7 @@
             <spells-tab :creature-id="creatureId" />
           </v-tab-item>
           <v-tab-item>
-            <persona-tab :creature-id="creatureId" />
+            <character-tab :creature-id="creatureId" />
           </v-tab-item>
           <v-tab-item>
             <tree-tab :creature-id="creatureId" />
@@ -69,9 +69,10 @@
 	import FeaturesTab from '/imports/ui/creature/character/characterSheetTabs/FeaturesTab.vue';
 	import InventoryTab from '/imports/ui/creature/character/characterSheetTabs/InventoryTab.vue';
 	import SpellsTab from '/imports/ui/creature/character/characterSheetTabs/SpellsTab.vue';
-	import PersonaTab from '/imports/ui/creature/character/characterSheetTabs/PersonaTab.vue';
+	import CharacterTab from '/imports/ui/creature/character/characterSheetTabs/CharacterTab.vue';
-	import TreeTab from '/imports/ui/creature/character/characterSheetTabs/TreeTab.vue';
+  import TreeTab from '/imports/ui/creature/character/characterSheetTabs/TreeTab.vue';
   import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
+  import CreatureLogs from '/imports/api/creature/log/CreatureLogs.js';
 
 	export default {
 		components: {
@@ -79,7 +80,7 @@
 			FeaturesTab,
 			InventoryTab,
 			SpellsTab,
-			PersonaTab,
+			CharacterTab,
 			TreeTab,
 		},
 		props: {
@@ -96,14 +97,6 @@
       name: 'context',
       include: ['creature', 'editPermission'],
     },
-    onMounted(){
-      this.$store.commit('setPageTitle', this.creature && this.creature.name || 'Character Sheet');
-    },
-    watch: {
-      'creature.name'(value){
-        this.$store.commit('setPageTitle', value || 'Character Sheet');
-      },
-    },
     computed: {
       activeTab: {
         get(){
@@ -113,6 +106,30 @@
           this.$emit('update:tabs', newTab);
         },
       },
+    },
+    watch: {
+      'creature.name'(value){
+        this.$store.commit('setPageTitle', value || 'Character Sheet');
+      },
+    },
+    mounted(){
+      this.$store.commit('setPageTitle', this.creature && this.creature.name || 'Character Sheet');
+      let that = this;
+      this.logObserver = CreatureLogs.find({
+        creatureId: this.creatureId,
+      }).observe({
+        added(doc){
+          if (!that.$subReady.singleCharacter) return;
+          if (that.$store.state.rightDrawer) return;
+          that.$store.dispatch('snackbar', {
+            text: doc.text,
+            showCloseButton: true,
+          });
+        },
+      });
+    },
+    beforeDestroy(){
+      this.logObserver.stop();
     },
 		meteor: {
 			$subscribe: {
@@ -131,6 +148,9 @@
           return false;
         }
       },
+      snackbars(){
+
+      }
 		},
 	}
 </script>

app/imports/ui/creature/character/CharacterSheetRightDrawer.vue

@@ -0,0 +1,32 @@
+<template lang="html">
+  <v-navigation-drawer
+    v-model="drawer"
+    app
+    right
+    clipped
+  >
+    <log-tab :creature-id="$route.params.id" />
+  </v-navigation-drawer>
+</template>
+
+<script>
+import LogTab from '/imports/ui/creature/character/CharacterLog.vue';
+export default {
+  components: {
+    LogTab,
+  },
+  computed: {
+    drawer: {
+      get () {
+        return this.$store.state.rightDrawer;
+      },
+      set (value) {
+        this.$store.commit('setRightDrawer', value);
+      },
+    },
+  },
+}
+</script>
+
+<style lang="css" scoped>
+</style>

app/imports/ui/creature/character/CharacterSheetToolbar.vue

@@ -24,14 +24,6 @@
     >
       <div :key="$route.meta.title">
         <v-toolbar-items v-if="creature">
-          <v-btn
-            v-if="editPermission"
-            flat
-            icon
-            @click="recompute(creature._id)"
-          >
-            <v-icon>refresh</v-icon>
-          </v-btn>
           <v-menu
             bottom
             left
@@ -71,6 +63,7 @@
               </v-list-tile>
             </v-list>
           </v-menu>
+          <v-toolbar-side-icon @click="toggleRightDrawer" />
         </v-toolbar-items>
       </div>
     </v-fade-transition>
@@ -104,7 +97,7 @@
             Spells
           </v-tab>
           <v-tab>
-            Persona
+            Character
           </v-tab>
           <v-tab>
             Tree
@@ -120,7 +113,6 @@ import Creatures from '/imports/api/creature/Creatures.js';
 import removeCreature from '/imports/api/creature/removeCreature.js';
 import { mapMutations } from 'vuex';
 import { theme } from '/imports/ui/theme.js';
-import { recomputeCreature } from '/imports/api/creature/computation/recomputeCreature.js';
 import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
 import { updateUserSharePermissions } from '/imports/api/sharing/sharing.js';
 import isDarkColor from '/imports/ui/utility/isDarkColor.js';
@@ -153,10 +145,8 @@ export default {
   methods: {
     ...mapMutations([
       'toggleDrawer',
+      'toggleRightDrawer',
     ]),
-		recompute(charId){
-			recomputeCreature.call({charId});
-		},
 		showCharacterForm(){
 			this.$store.commit('pushDialogStack', {
 				component: 'creature-form-dialog',

app/imports/ui/creature/character/CharacterSheetToolbarExtension.vue

@@ -22,7 +22,7 @@
       Spells
     </v-tab>
     <v-tab>
-      Persona
+      Character
     </v-tab>
     <v-tab>
       Tree

app/imports/ui/creature/character/characterSheetTabs/CharacterTab.vue

@@ -20,6 +20,19 @@
           </v-card-text>
         </v-card>
       </div>
+      <div>
+        <toolbar-card
+          data-id="slot-card"
+          @toolbarclick="showSlotDialog"
+        >
+          <v-toolbar-title slot="toolbar">
+            Build
+          </v-toolbar-title>
+          <v-card-text style="background-color: inherit;">
+            <slots :creature-id="creatureId" />
+          </v-card-text>
+        </toolbar-card>
+      </div>
       <div>
         <v-card class="class-details">
           <v-card-title
@@ -101,12 +114,16 @@ import Creatures from '/imports/api/creature/Creatures.js';
 import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
 import ColumnLayout from '/imports/ui/components/ColumnLayout.vue';
 import NoteCard from '/imports/ui/properties/components/persona/NoteCard.vue';
-import getActiveProperties from '/imports/api/creature/getActiveProperties.js'
+import getActiveProperties from '/imports/api/creature/getActiveProperties.js';
+import Slots from '/imports/ui/creature/slots/Slots.vue';
+import ToolbarCard from '/imports/ui/components/ToolbarCard.vue';
 
 export default {
 	components: {
 		ColumnLayout,
 		NoteCard,
+    Slots,
+    ToolbarCard,
 	},
 	props: {
 		creatureId: {
@@ -185,6 +202,15 @@ export default {
             !!this.creature.variables.milestoneLevels.value,
 				},
 			});
+    },
+    showSlotDialog(){
+      this.$store.commit('pushDialogStack', {
+				component: 'slot-details-dialog',
+				elementId: 'slot-card',
+				data: {
+					creatureId: this.creatureId,
+				},
+			});
     },
 	},
 };

app/imports/ui/creature/character/characterSheetTabs/InventoryTab.vue

@@ -12,7 +12,7 @@
             <item-list
               equipment
               :items="equippedItems"
-              :parent-ref="{id: creatureId, collection: 'creatures'}"
+              :parent-ref="equipmentParentRef"
             />
           </v-card-text>
         </toolbar-card>
@@ -27,7 +27,7 @@
           <v-card-text class="px-0">
             <item-list
               :items="carriedItems"
-              :parent-ref="{id: creatureId, collection: 'creatures'}"
+              :parent-ref="carriedParentRef"
             />
           </v-card-text>
         </toolbar-card>
@@ -51,7 +51,8 @@ import ContainerCard from '/imports/ui/properties/components/inventory/Container
 import ToolbarCard from '/imports/ui/components/ToolbarCard.vue';
 import ItemList from '/imports/ui/properties/components/inventory/ItemList.vue';
 import { updateProperty } from '/imports/api/creature/CreatureProperties.js';
-import getActiveProperties from '/imports/api/creature/getActiveProperties.js';
+import { getParentRefByTag } from '/imports/api/creature/creatureProperties/manageEquipment.js';
+import INVENTORY_TAGS from '/imports/constants/INVENTORY_TAGS.js';
 
 export default {
 	components: {
@@ -78,6 +79,7 @@ export default {
 				'ancestors.id': this.creatureId,
 				type: 'container',
 				removed: {$ne: true},
+        inactive: {$ne: true},
 			}, {
 				sort: {order: 1},
 			});
@@ -90,29 +92,43 @@ export default {
 				},
 				type: 'container',
 				removed: {$ne: true},
+        inactive: {$ne: true},
 			}, {
 				sort: {order: 1},
 			});
 		},
     carriedItems(){
-      return getActiveProperties({
+      return CreatureProperties.find({
-        ancestorId: this.creatureId,
+        'ancestors.id': {
-        includeUnequipped: true,
+					$eq: this.creatureId,
-        filter: {
+					$nin: this.containerIds
-          type: 'item',
+				},
-          equipped: {$ne: true},
+				type: 'item',
-          'parent.id': this.creatureId
+        equipped: {$ne: true},
-        },
+				removed: {$ne: true},
-      });
+        deactivatedByAncestor: {$ne: true},
+			}, {
+				sort: {order: 1},
+			});
     },
     equippedItems(){
-      return getActiveProperties({
+      return CreatureProperties.find({
-        ancestorId: this.creatureId,
+        'ancestors.id': {
-        filter: {
+					$eq: this.creatureId,
-          type: 'item',
+				},
-          equipped: true,
+				type: 'item',
-        },
+        equipped: true,
-      });
+				removed: {$ne: true},
+        inactive: {$ne: true},
+			}, {
+				sort: {order: 1},
+			});
+    },
+    equipmentParentRef(){
+      return getParentRefByTag(this.creatureId, INVENTORY_TAGS.equipment);
+    },
+    carriedParentRef(){
+      return getParentRefByTag(this.creatureId, INVENTORY_TAGS.carried);
     },
 	},
 	computed: {

app/imports/ui/creature/character/characterSheetTabs/StatsTab.vue

@@ -79,7 +79,7 @@
         class="stat"
       >
         <attribute-card
-          v-bind="stat"
+          :model="stat"
           :data-id="stat._id"
           @click="clickProperty({_id: stat._id})"
         />
@@ -91,8 +91,7 @@
         class="modifier"
       >
         <attribute-card
-          modifier
+          :model="modifier"
-          v-bind="modifier"
           :data-id="modifier._id"
           @click="clickProperty({_id: modifier._id})"
         />
@@ -105,7 +104,7 @@
       >
         <attribute-card
           modifier
-          v-bind="check"
+          :model="check"
           :data-id="check._id"
           @click="clickProperty({_id: check._id})"
         />

app/imports/ui/creature/creatureProperties/CreaturePropertyDialog.vue

@@ -60,12 +60,13 @@
 
 <script>
 import CreatureProperties, {
-	updateProperty,
+  updateProperty,
-	damageProperty,
+  damageProperty,
   duplicateProperty,
-	pushToProperty,
+  pushToProperty,
-	pullFromProperty,
+  pullFromProperty,
-	softRemoveProperty,
+  softRemoveProperty,
+  restoreProperty,
 } from '/imports/api/creature/CreatureProperties.js';
 import Creatures from '/imports/api/creature/Creatures.js';
 import PropertyToolbar from '/imports/ui/components/propertyToolbar.vue';
@@ -75,40 +76,42 @@ import PropertyIcon from '/imports/ui/properties/shared/PropertyIcon.vue';
 import propertyFormIndex from '/imports/ui/properties/forms/shared/propertyFormIndex.js';
 import propertyViewerIndex from '/imports/ui/properties/viewers/shared/propertyViewerIndex.js';
 import CreaturePropertiesTree from '/imports/ui/creature/creatureProperties/CreaturePropertiesTree.vue';
+import getPropertyTitle from '/imports/ui/properties/shared/getPropertyTitle.js';
 import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
 import { get, findLast } from 'lodash';
+import { equipItem } from '/imports/api/creature/creatureProperties/manageEquipment.js';
 
 let formIndex = {};
 for (let key in propertyFormIndex){
-	formIndex[key + 'Form'] = propertyFormIndex[key];
+  formIndex[key + 'Form'] = propertyFormIndex[key];
 }
 
 let viewerIndex = {};
 for (let key in propertyViewerIndex){
-	formIndex[key + 'Viewer'] = propertyViewerIndex[key];
+  formIndex[key + 'Viewer'] = propertyViewerIndex[key];
 }
 
 export default {
-	components: {
+  components: {
-		...formIndex,
+    ...formIndex,
-		...viewerIndex,
+    ...viewerIndex,
-		PropertyIcon,
+    PropertyIcon,
-		DialogBase,
+    DialogBase,
     PropertyToolbar,
-		CreaturePropertiesTree,
+    CreaturePropertiesTree,
-	},
+  },
-	props: {
+  props: {
-		_id: String,
+    _id: String,
     embedded: Boolean, // This dialog is embedded in a page
-		startInEditTab: Boolean,
+    startInEditTab: Boolean,
-	},
+  },
-	data(){ return {
+  data(){ return {
-		editing: !!this.startInEditTab,
+    editing: !!this.startInEditTab,
-	}},
+  }},
-	meteor: {
+  meteor: {
-		model(){
+    model(){
-			return CreatureProperties.findOne(this._id);
+      return CreatureProperties.findOne(this._id);
-		},
+    },
     editPermission(){
       try {
         assertEditPermission(this.creature, Meteor.userId());
@@ -117,7 +120,7 @@ export default {
         return false;
       }
     },
-	},
+  },
   computed: {
     creature(){
       if (!this.model) return;
@@ -133,8 +136,8 @@ export default {
     name: 'context',
     include: ['creature', 'editPermission'],
   },
-	methods: {
+  methods: {
-		getPropertyName,
+    getPropertyName,
     duplicate(){
       duplicateProperty.call({_id: this._id}, (error) => {
         if (error) {
@@ -147,48 +150,63 @@ export default {
         }
       });
     },
-		change({path, value, ack}){
+    change({path, value, ack}){
-			updateProperty.call({_id: this._id, path, value}, (error) =>{
+      if (path && path[0] === 'equipped'){
+        equipItem.call({_id: this._id, equipped: value}, (error) =>{
+          if (error) console.warn(error);
+          ack && ack(error && error.reason || error);
+        });
+        return;
+      }
+      updateProperty.call({_id: this._id, path, value}, (error) =>{
         if (error) console.warn(error);
-				ack && ack(error && error.reason || error);
+        ack && ack(error && error.reason || error);
-			});
+      });
-		},
+    },
     damage({operation, value, ack}){
-			damageProperty.call({_id: this._id, operation, value}, (error) =>{
+      damageProperty.call({_id: this._id, operation, value}, (error) =>{
         if (error) console.warn(error);
-				ack && ack(error && error.reason || error);
+        ack && ack(error && error.reason || error);
-			});
+      });
-		},
+    },
-		push({path, value, ack}){
+    push({path, value, ack}){
-			pushToProperty.call({_id: this._id, path, value}, (error) =>{
+      pushToProperty.call({_id: this._id, path, value}, (error) =>{
         if (error) console.warn(error);
-				ack && ack(error && error.reason || error);
+        ack && ack(error && error.reason || error);
-			});
+      });
-		},
+    },
-		pull({path, ack}){
+    pull({path, ack}){
-			let itemId = get(this.model, path)._id;
+      let itemId = get(this.model, path)._id;
-			path.pop();
+      path.pop();
-			pullFromProperty.call({_id: this._id, path, itemId}, (error) =>{
+      pullFromProperty.call({_id: this._id, path, itemId}, (error) =>{
         if (error) console.warn(error);
-				ack && ack(error && error.reason || error);
+        ack && ack(error && error.reason || error);
-			});
+      });
-		},
+    },
-		remove(){
+    remove(){
-			softRemoveProperty.call({_id: this._id});
+      const _id = this._id;
+      softRemoveProperty.call({_id});
       if (this.embedded){
         this.$emit('removed');
       } else {
         this.$store.dispatch('popDialogStack');
       }
-		},
+      this.$store.dispatch('snackbar', {
-		selectSubProperty(_id){
+        text: `Deleted ${getPropertyTitle(this.model)}`,
-			this.$store.commit('pushDialogStack', {
+        callbackName: 'undo',
-				component: 'creature-property-dialog',
+        callback(){
-				elementId: `tree-node-${_id}`,
+          restoreProperty.call({_id});
-				data: {_id},
+        },
-			});
+      });
-		}
+    },
-	}
+    selectSubProperty(_id){
+      this.$store.commit('pushDialogStack', {
+        component: 'creature-property-dialog',
+        elementId: `tree-node-${_id}`,
+        data: {_id},
+      });
+    }
+  }
 };
 </script>
 

app/imports/ui/creature/experiences/ExperienceInsertDialog.vue

@@ -1,5 +1,8 @@
 <template lang="html">
   <dialog-base>
+    <v-toolbar-title slot="toolbar">
+      Add Experience
+    </v-toolbar-title>
     <experience-form
       :start-as-milestone="startAsMilestone"
       :model="model"

app/imports/ui/creature/slots/SlotDetailsDialog.vue

@@ -0,0 +1,42 @@
+<template lang="html">
+  <dialog-base>
+    <v-toolbar-title slot="toolbar">
+      Build
+    </v-toolbar-title>
+    <slots
+      :creature-id="creatureId"
+      show-hidden-slots
+    />
+  </dialog-base>
+</template>
+
+<script>
+import Creatures from '/imports/api/creature/Creatures.js';
+import DialogBase from '/imports/ui/dialogStack/DialogBase.vue';
+import Slots from '/imports/ui/creature/slots/Slots.vue'
+
+export default {
+  components: {
+    DialogBase,
+    Slots,
+  },
+  props: {
+    creatureId: {
+      type: String,
+      required: true,
+    },
+  },
+  reactiveProvide: {
+    name: 'context',
+    include: ['creature'],
+  },
+  meteor: {
+    creature(){
+      return Creatures.findOne(this.creatureId);
+    },
+  }
+}
+</script>
+
+<style lang="css" scoped>
+</style>

app/imports/ui/creature/slots/SlotFillDialog.vue

@@ -0,0 +1,214 @@
+<template lang="html">
+  <dialog-base :color="model.color">
+    <template slot="toolbar">
+      <v-toolbar-title>
+        {{ model.name }}
+      </v-toolbar-title>
+    </template>
+    <div class="library-nodes">
+      <v-fade-transition mode="out-in">
+        <column-layout
+          v-if="$subReady.slotFillers && libraryNodes && libraryNodes.length"
+          wide-columns
+        >
+          <div
+            v-for="node in libraryNodes"
+            :key="node._id"
+          >
+            <v-card
+              style="max-width: 500px;"
+              hover
+              ripple
+              :class="{'primary': node._id === (selectedNode && selectedNode._id)}"
+              :dark="node._id === (selectedNode && selectedNode._id)"
+              @click="selectedNode = node"
+            >
+              <v-img
+                v-if="node.picture"
+                :src="node.picture"
+                :max-height="200"
+                position="top center"
+              />
+              <v-card-title primary-title>
+                <div>
+                  <h3 class="title mb-0">
+                    <tree-node-view
+                      class="mr-2"
+                      :class="{'theme--dark': node._id === (selectedNode && selectedNode._id)}"
+                      :hide-icon="node.picture"
+                      :model="node"
+                      :color="node.color"
+                    />
+                  </h3>
+                  <property-description
+                    v-if="node.description"
+                    :value="node.description"
+                  />
+                </div>
+              </v-card-title>
+            </v-card>
+          </div>
+        </column-layout>
+        <div
+          v-else-if="$subReady.slotFillers"
+          class="ma-4"
+        >
+          <h4>
+            Nothing suitable was found in your libraries
+          </h4>
+          <p>
+            This slot requires a {{ slotPropertyTypeName }}
+            <template v-if="model.slotTags.length">
+              with the following tags:
+              <span
+                v-for="(tag, index) in model.slotTags"
+                :key="index"
+              >
+                <code>{{ tag }}</code>,
+              </span>
+            </template>
+            <span v-if="model.spaceLeft">
+              that fills less than {{ model.spaceLeft }} slots
+            </span>
+          </p>
+        </div>
+        <div
+          v-else
+          key="character-loading"
+          class="fill-height layout justify-center align-center"
+        >
+          <v-progress-circular
+            indeterminate
+            color="primary"
+            size="64"
+          />
+        </div>
+      </v-fade-transition>
+    </div>
+    <template slot="actions">
+      <v-spacer />
+      <v-btn
+        flat
+        @click="$store.dispatch('popDialogStack')"
+      >
+        Cancel
+      </v-btn>
+      <v-btn
+        flat
+        :disabled="!selectedNode"
+        @click="$store.dispatch('popDialogStack', selectedNode)"
+      >
+        Insert
+      </v-btn>
+    </template>
+  </dialog-base>
+</template>
+
+<script>
+import Creatures from '/imports/api/creature/Creatures.js';
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+import LibraryNodes from '/imports/api/library/LibraryNodes.js';
+import DialogBase from '/imports/ui/dialogStack/DialogBase.vue';
+import { getPropertyName } from '/imports/constants/PROPERTIES.js';
+import { parse, CompilationContext } from '/imports/parser/parser.js';
+import PROPERTIES from '/imports/constants/PROPERTIES.js';
+import ColumnLayout from '/imports/ui/components/ColumnLayout.vue';
+import TreeNodeView from '/imports/ui/properties/treeNodeViews/TreeNodeView.vue';
+import PropertyDescription from '/imports/ui/properties/viewers/shared/PropertyDescription.vue'
+
+export default {
+  components: {
+		DialogBase,
+    ColumnLayout,
+    TreeNodeView,
+    PropertyDescription,
+	},
+  props:{
+    slotId: {
+      type: String,
+      required: true,
+    },
+    creatureId: {
+      type: String,
+      required: true,
+    },
+  },
+  data(){return {
+    selectedNode: undefined,
+  }},
+  computed: {
+    slotPropertyTypeName(){
+      if (!this.model) return;
+      if (!this.model.slotType) return 'property';
+      let propName = getPropertyName(this.model.slotType);
+      return propName && propName.toLowerCase();
+    },
+  },
+  reactiveProvide: {
+    name: 'context',
+    include: ['creature'],
+  },
+  methods:{
+    getTitle(model){
+      if (!model) return;
+      if (model.name) return model.name;
+      let prop = PROPERTIES[model.type]
+      return prop && prop.name;
+    },
+  },
+  meteor: {
+    $subscribe: {
+      'slotFillers'(){
+        return [this.slotId]
+      },
+    },
+    model(){
+      return CreatureProperties.findOne(this.slotId);
+    },
+    creature(){
+      return Creatures.findOne(this.creatureId);
+    },
+    libraryNodes(){
+      let filter = {
+        removed: {$ne: true},
+      };
+      if (this.model.slotTags && this.model.slotTags.length){
+        filter.tags = {$all: this.model.slotTags};
+      }
+      if (this.model.slotType){
+        filter.$or = [{
+            type: this.model.slotType
+          },{
+            type: 'slotFiller',
+            slotFillerType: this.model.slotType,
+        }];
+      }
+      let nodes = LibraryNodes.find(filter).fetch();
+      // Filter out slotFillers whose condition isn't met or are too big to fit
+      // the quantity to fill
+      nodes = nodes.filter(node => {
+        if (node.slotFillerCondition){
+          let context = new CompilationContext();
+          let conditionResult = parse(node.slotFillerCondition)
+          .reduce(this.creature.variables, context);
+          if (conditionResult && !conditionResult.value) return false;
+        }
+        if (
+          node.type === 'slotFiller' &&
+          this.model.spaceLeft > 0 &&
+          node.slotQuantityFilled > this.model.spaceLeft
+        ){
+          return false;
+        }
+        return true;
+      });
+      // Filter out slotFillers whose
+      if (nodes.length === 1) this.selectedNode = nodes[0];
+      return nodes;
+    },
+  }
+}
+</script>
+
+<style lang="css" scoped>
+</style>

app/imports/ui/creature/slots/Slots.vue

@@ -0,0 +1,153 @@
+<template lang="html">
+  <div class="slots">
+    <div
+      v-for="slot in slots"
+      :key="slot._id"
+      class="slot"
+    >
+      <h3 class="layout row align-center">
+        {{ slot.name }}
+        <v-spacer />
+        <span v-if="slot.quantityExpected > 1">
+          {{ slot.totalFilled }} / {{ slot.quantityExpected }}
+        </span>
+      </h3>
+      <v-list v-if="slot.children.length">
+        <v-list-tile
+          v-for="child in slot.children"
+          :key="child._id"
+          :data-id="`slot-child-${child._id}`"
+          @click="clickSlotChild(child)"
+        >
+          <v-list-tile-content>
+            <tree-node-view
+              class="slotChild"
+              :model="child"
+            />
+          </v-list-tile-content>
+          <v-list-tile-action>
+            <v-btn
+              icon
+              flat
+              small
+              @click.stop="remove(child)"
+            >
+              <v-icon>delete</v-icon>
+            </v-btn>
+          </v-list-tile-action>
+        </v-list-tile>
+      </v-list>
+      <v-btn
+        v-if="!slot.quantityExpected || slot.spaceLeft"
+        icon
+        :data-id="`slot-add-button-${slot._id}`"
+        style="background-color: inherit;"
+        @click="fillSlot(slot)"
+      >
+        <v-icon>add</v-icon>
+      </v-btn>
+    </div>
+  </div>
+</template>
+
+<script>
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+import TreeNodeView from '/imports/ui/properties/treeNodeViews/TreeNodeView.vue';
+import {
+  insertPropertyFromLibraryNode,
+  softRemoveProperty,
+  restoreProperty
+} from '/imports/api/creature/CreatureProperties.js';
+import getActiveProperties from '/imports/api/creature/getActiveProperties.js';
+import getPropertyTitle from '/imports/ui/properties/shared/getPropertyTitle.js';
+
+export default {
+  components: {
+    TreeNodeView,
+  },
+  inject: {
+    context: { default: {} }
+  },
+  props: {
+    creatureId: {
+      type: String,
+      required: true,
+    },
+    showHiddenSlots: {
+      type: Boolean,
+    },
+  },
+  methods: {
+    clickSlotChild({_id}){
+			this.$store.commit('pushDialogStack', {
+				component: 'creature-property-dialog',
+				elementId: `slot-child-${_id}`,
+				data: {_id},
+			});
+    },
+    fillSlot(slot){
+      let slotId = slot._id;
+      let creatureId = this.creatureId;
+      this.$store.commit('pushDialogStack', {
+        component: 'slot-fill-dialog',
+        elementId: `slot-add-button-${slotId}`,
+        data: {
+          slotId,
+          creatureId,
+        },
+        callback(node){
+					if(!node) return;
+          let newPropertyId = insertPropertyFromLibraryNode.call({
+            nodeId: node._id,
+            parentRef: {
+              'id': slotId,
+              'collection': 'creatureProperties',
+            },
+          });
+          return `slot-child-${newPropertyId}`;
+				}
+      });
+    },
+    remove(model){
+      softRemoveProperty.call({_id: model._id});
+      this.$store.dispatch('snackbar', {
+        text: `Deleted ${getPropertyTitle(model)}`,
+        callbackName: 'undo',
+        callback(){
+          restoreProperty.call({_id: model._id});
+        },
+      });
+    }
+  },
+  meteor: {
+    slots(){
+      return getActiveProperties({
+        ancestorId: this.creatureId,
+        filter: {
+          type: 'propertySlot',
+          $or: [
+            {slotConditionResult: true},
+            {slotConditionResult: {$exists: false}},
+          ],
+        }
+      }).map(slot => {
+        slot.children = CreatureProperties.find({
+          'parent.id': slot._id,
+          removed: {$ne: true},
+        }, {
+          sort: { order: 1 },
+        }).fetch();
+        return slot;
+      }).filter(slot => !( // Hide full and ignored slots
+        !this.showHiddenSlots &&
+        slot.hideWhenFull &&
+        slot.totalFilled >= slot.quantityExpected ||
+        slot.ignored
+      ));
+    },
+  },
+}
+</script>
+
+<style lang="css" scoped>
+</style>