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https://github.com/Foundryborne/daggerheart.git
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7022630316
* Add support for changing the tier of an adversary * Move scaling data to actorConfig * Use a new algorithm using the median average deviation * Fine tune damage conversion for actions * Use standard deviation instead and change dialog type * Use daggerheart style for dialog * Formatting * Improve handling of minions and hordes * Changed to using lookup for Group Attack damage * Added lookup for Horde feature * Remove spaces in damage formulas --------- Co-authored-by: WBHarry <williambjrklund@gmail.com>
407 lines
18 KiB
JavaScript
407 lines
18 KiB
JavaScript
import DHAdversarySettings from '../../applications/sheets-configs/adversary-settings.mjs';
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import { ActionField } from '../fields/actionField.mjs';
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import BaseDataActor, { commonActorRules } from './base.mjs';
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import { resourceField, bonusField } from '../fields/actorField.mjs';
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import { calculateExpectedValue, parseTermsFromSimpleFormula } from '../../helpers/utils.mjs';
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import { adversaryExpectedDamage, adversaryScalingData } from '../../config/actorConfig.mjs';
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export default class DhpAdversary extends BaseDataActor {
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static LOCALIZATION_PREFIXES = ['DAGGERHEART.ACTORS.Adversary'];
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static get metadata() {
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return foundry.utils.mergeObject(super.metadata, {
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label: 'TYPES.Actor.adversary',
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type: 'adversary',
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settingSheet: DHAdversarySettings,
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hasAttribution: true,
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usesSize: true
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});
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}
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static defineSchema() {
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const fields = foundry.data.fields;
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return {
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...super.defineSchema(),
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tier: new fields.NumberField({
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required: true,
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integer: true,
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choices: CONFIG.DH.GENERAL.tiers,
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initial: CONFIG.DH.GENERAL.tiers[1].id
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}),
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type: new fields.StringField({
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required: true,
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choices: CONFIG.DH.ACTOR.allAdversaryTypes,
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initial: CONFIG.DH.ACTOR.adversaryTypes.standard.id
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}),
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motivesAndTactics: new fields.StringField(),
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notes: new fields.HTMLField(),
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difficulty: new fields.NumberField({ required: true, initial: 1, integer: true }),
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hordeHp: new fields.NumberField({
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required: true,
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initial: 1,
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integer: true,
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label: 'DAGGERHEART.GENERAL.hordeHp'
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}),
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criticalThreshold: new fields.NumberField({
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required: true,
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integer: true,
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min: 1,
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max: 20,
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initial: 20,
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label: 'DAGGERHEART.ACTIONS.Settings.criticalThreshold'
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}),
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damageThresholds: new fields.SchemaField({
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major: new fields.NumberField({
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required: true,
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initial: 0,
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integer: true,
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label: 'DAGGERHEART.GENERAL.DamageThresholds.majorThreshold'
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}),
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severe: new fields.NumberField({
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required: true,
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initial: 0,
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integer: true,
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label: 'DAGGERHEART.GENERAL.DamageThresholds.severeThreshold'
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})
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}),
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resources: new fields.SchemaField({
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hitPoints: resourceField(0, 0, 'DAGGERHEART.GENERAL.HitPoints.plural', true),
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stress: resourceField(0, 0, 'DAGGERHEART.GENERAL.stress', true)
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}),
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rules: new fields.SchemaField({
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...commonActorRules()
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}),
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attack: new ActionField({
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initial: {
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name: 'Attack',
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img: 'icons/skills/melee/blood-slash-foam-red.webp',
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_id: foundry.utils.randomID(),
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systemPath: 'attack',
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chatDisplay: false,
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type: 'attack',
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range: 'melee',
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target: {
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type: 'any',
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amount: 1
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},
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roll: {
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type: 'attack'
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},
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damage: {
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parts: [
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{
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type: ['physical'],
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value: {
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multiplier: 'flat'
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}
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}
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]
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}
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}
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}),
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experiences: new fields.TypedObjectField(
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new fields.SchemaField({
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name: new fields.StringField(),
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value: new fields.NumberField({ required: true, integer: true, initial: 1 }),
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description: new fields.StringField()
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})
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),
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bonuses: new fields.SchemaField({
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roll: new fields.SchemaField({
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attack: bonusField('DAGGERHEART.GENERAL.Roll.attack'),
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action: bonusField('DAGGERHEART.GENERAL.Roll.action'),
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reaction: bonusField('DAGGERHEART.GENERAL.Roll.reaction')
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}),
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damage: new fields.SchemaField({
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physical: bonusField('DAGGERHEART.GENERAL.Damage.physicalDamage'),
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magical: bonusField('DAGGERHEART.GENERAL.Damage.magicalDamage')
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})
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})
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};
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}
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/* -------------------------------------------- */
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/**@inheritdoc */
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static DEFAULT_ICON = 'systems/daggerheart/assets/icons/documents/actors/dragon-head.svg';
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/* -------------------------------------------- */
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get attackBonus() {
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return this.attack.roll.bonus;
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}
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get features() {
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return this.parent.items.filter(x => x.type === 'feature');
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}
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isItemValid(source) {
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return source.type === 'feature';
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}
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async _preUpdate(changes, options, user) {
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const allowed = await super._preUpdate(changes, options, user);
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if (allowed === false) return false;
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if (this.type === CONFIG.DH.ACTOR.adversaryTypes.horde.id) {
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const autoHordeDamage = game.settings.get(
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CONFIG.DH.id,
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CONFIG.DH.SETTINGS.gameSettings.Automation
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).hordeDamage;
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if (autoHordeDamage && changes.system?.resources?.hitPoints?.value !== undefined) {
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const hordeActiveEffect = this.parent.effects.find(x => x.type === 'horde');
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if (hordeActiveEffect) {
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const halfHP = Math.ceil(this.resources.hitPoints.max / 2);
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const newHitPoints = changes.system.resources.hitPoints.value;
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const previouslyAboveHalf = this.resources.hitPoints.value < halfHP;
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const loweredBelowHalf = previouslyAboveHalf && newHitPoints >= halfHP;
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const raisedAboveHalf = !previouslyAboveHalf && newHitPoints < halfHP;
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if (loweredBelowHalf) {
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await hordeActiveEffect.update({ disabled: false });
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} else if (raisedAboveHalf) {
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await hordeActiveEffect.update({ disabled: true });
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}
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}
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}
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}
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}
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_onUpdate(changes, options, userId) {
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super._onUpdate(changes, options, userId);
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if (game.user.id === userId) {
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if (changes.system?.type) {
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const existingHordeEffect = this.parent.effects.find(x => x.type === 'horde');
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if (changes.system.type === CONFIG.DH.ACTOR.adversaryTypes.horde.id) {
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if (!existingHordeEffect)
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this.parent.createEmbeddedDocuments('ActiveEffect', [
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{
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type: 'horde',
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name: game.i18n.localize('DAGGERHEART.CONFIG.AdversaryType.horde.label'),
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img: 'icons/magic/movement/chevrons-down-yellow.webp',
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disabled: true
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}
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]);
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} else {
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existingHordeEffect?.delete();
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}
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}
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}
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}
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_getTags() {
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const tags = [
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game.i18n.localize(`DAGGERHEART.GENERAL.Tiers.${this.tier}`),
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`${game.i18n.localize(`DAGGERHEART.CONFIG.AdversaryType.${this.type}.label`)}`,
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`${game.i18n.localize('DAGGERHEART.GENERAL.difficulty')}: ${this.difficulty}`
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];
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return tags;
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}
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/** Returns source data for this actor adjusted to a new tier, which can be used to create a new actor. */
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adjustForTier(tier) {
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const source = this.parent.toObject(true);
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/** @type {(2 | 3 | 4)[]} */
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const tiers = new Array(Math.abs(tier - this.tier))
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.fill(0)
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.map((_, idx) => idx + Math.min(tier, this.tier) + 1);
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if (tier < this.tier) tiers.reverse();
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const typeData = adversaryScalingData[source.system.type] ?? adversaryScalingData[source.system.standard];
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const tierEntries = tiers.map(t => ({ tier: t, ...typeData[t] }));
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// Apply simple tier changes
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const scale = tier > this.tier ? 1 : -1;
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for (const entry of tierEntries) {
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source.system.difficulty += scale * entry.difficulty;
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source.system.damageThresholds.major += scale * entry.majorThreshold;
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source.system.damageThresholds.severe += scale * entry.severeThreshold;
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source.system.resources.hitPoints.max += scale * entry.hp;
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source.system.resources.stress.max += scale * entry.stress;
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source.system.attack.roll.bonus += scale * entry.attack;
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}
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// Get the mean and standard deviation of expected damage in the previous and new tier
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// The data we have is for attack scaling, but we reuse this for action scaling later
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const expectedDamageData = adversaryExpectedDamage[source.system.type] ?? adversaryExpectedDamage.basic;
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const damageMeta = {
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currentDamageRange: { tier: source.system.tier, ...expectedDamageData[source.system.tier] },
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newDamageRange: { tier, ...expectedDamageData[tier] },
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type: 'attack'
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};
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// Update damage of base attack
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try {
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this.#adjustActionDamage(source.system.attack, damageMeta);
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} catch (err) {
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ui.notifications.warn('Failed to convert attack damage of adversary');
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console.error(err);
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}
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// Update damage of each item action, making sure to also update the description if possible
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const damageRegex = /@Damage\[([^\[\]]*)\]({[^}]*})?/g;
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for (const item of source.items) {
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// Replace damage inlines with new formulas
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for (const withDescription of [item.system, ...Object.values(item.system.actions)]) {
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withDescription.description = withDescription.description.replace(damageRegex, (match, inner) => {
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const { value: formula } = parseInlineParams(inner);
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if (!formula || !type) return match;
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try {
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const adjusted = this.#calculateAdjustedDamage(formula, { ...damageMeta, type: 'action' });
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const newFormula = [
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adjusted.diceQuantity ? `${adjusted.diceQuantity}d${adjusted.faces}` : null,
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adjusted.bonus
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]
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.filter(p => !!p)
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.join('+');
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return match.replace(formula, newFormula);
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} catch {
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return match;
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}
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});
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}
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// Update damage in item actions
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for (const action of Object.values(item.system.actions)) {
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if (!action.damage) continue;
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// Parse damage, and convert all formula matches in the descriptions to the new damage
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try {
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const result = this.#adjustActionDamage(action, { ...damageMeta, type: 'action' });
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for (const { previousFormula, formula } of Object.values(result)) {
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const oldFormulaRegexp = new RegExp(
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previousFormula.replace(' ', '').replace('+', '(?:\\s)?\\+(?:\\s)?')
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);
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item.system.description = item.system.description.replace(oldFormulaRegexp, formula);
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action.description = action.description.replace(oldFormulaRegexp, formula);
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}
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} catch (err) {
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ui.notifications.warn(`Failed to convert action damage for item ${item.name}`);
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console.error(err);
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}
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}
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}
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// Finally set the tier of the source data, now that everything is complete
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source.system.tier = tier;
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return source;
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}
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/**
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* Converts a damage object to a new damage range
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* @returns {{ diceQuantity: number; faces: number; bonus: number }} the adjusted result as a combined term
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* @throws error if the formula is the wrong type
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*/
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#calculateAdjustedDamage(formula, { currentDamageRange, newDamageRange, type }) {
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const terms = parseTermsFromSimpleFormula(formula);
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const flatTerms = terms.filter(t => t.diceQuantity === 0);
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const diceTerms = terms.filter(t => t.diceQuantity > 0);
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if (flatTerms.length > 1 || diceTerms.length > 1) {
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throw new Error('invalid formula for conversion');
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}
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const value = {
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...(diceTerms[0] ?? { diceQuantity: 0, faces: 1 }),
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bonus: flatTerms[0]?.bonus ?? 0
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};
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const previousExpected = calculateExpectedValue(value);
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if (previousExpected === 0) return value; // nothing to do
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const dieSizes = [4, 6, 8, 10, 12, 20];
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const steps = newDamageRange.tier - currentDamageRange.tier;
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const increasing = steps > 0;
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const deviation = (previousExpected - currentDamageRange.mean) / currentDamageRange.deviation;
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const expected = Math.max(1, newDamageRange.mean + newDamageRange.deviation * deviation);
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// If this was just a flat number, convert to the expected damage and exit
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if (value.diceQuantity === 0) {
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value.bonus = Math.round(expected);
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return value;
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}
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const getExpectedDie = () => calculateExpectedValue({ diceQuantity: 1, faces: value.faces }) || 1;
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const getBaseAverage = () => calculateExpectedValue({ ...value, bonus: 0 });
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// Check the number of base overages over the expected die. In the end, if the bonus inflates too much, we add a die
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const baseOverages = Math.floor(value.bonus / getExpectedDie());
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// Prestep. Change number of dice for attacks, bump up/down for actions
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// We never bump up to d20, though we might bump down from it
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if (type === 'attack') {
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const minimum = increasing ? value.diceQuantity : 0;
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value.diceQuantity = Math.max(minimum, newDamageRange.tier);
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} else {
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const currentIdx = dieSizes.indexOf(value.faces);
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value.faces = dieSizes[Math.clamp(currentIdx + steps, 0, 4)];
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}
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value.bonus = Math.round(expected - getBaseAverage());
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// Attempt to handle negative values.
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// If we can do it with only step downs, do so. Otherwise remove tier dice, and try again
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if (value.bonus < 0) {
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let stepsRequired = Math.ceil(Math.abs(value.bonus) / value.diceQuantity);
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const currentIdx = dieSizes.indexOf(value.faces);
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// If step downs alone don't suffice, change the flat modifier, then calculate steps required again
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// If this isn't sufficient, the result will be slightly off. This is unlikely to happen
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if (type !== 'attack' && stepsRequired > currentIdx && value.diceQuantity > 0) {
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value.diceQuantity -= increasing ? 1 : Math.abs(steps);
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value.bonus = Math.round(expected - getBaseAverage());
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if (value.bonus >= 0) return value; // complete
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}
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stepsRequired = Math.ceil(Math.abs(value.bonus) / value.diceQuantity);
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value.faces = dieSizes[Math.max(0, currentIdx - stepsRequired)];
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value.bonus = Math.max(0, Math.round(expected - getBaseAverage()));
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}
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// If value is really high, we add a number of dice based on the number of overages
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// This attempts to preserve a similar amount of variance when increasing an action
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const overagesToRemove = Math.floor(value.bonus / getExpectedDie()) - baseOverages;
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if (type !== 'attack' && increasing && overagesToRemove > 0) {
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value.diceQuantity += overagesToRemove;
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value.bonus = Math.round(expected - getBaseAverage());
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}
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return value;
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}
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/**
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* Updates damage to reflect a specific value.
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* @throws if damage structure is invalid for conversion
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* @returns the converted formula and value as a simplified term
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*/
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#adjustActionDamage(action, damageMeta) {
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// The current algorithm only returns a value if there is a single damage part
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const hpDamageParts = action.damage.parts.filter(d => d.applyTo === 'hitPoints');
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if (hpDamageParts.length !== 1) throw new Error('incorrect number of hp parts');
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const result = {};
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for (const property of ['value', 'valueAlt']) {
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const data = hpDamageParts[0][property];
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const previousFormula = data.custom.enabled
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? data.custom.formula
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: [data.flatMultiplier ? `${data.flatMultiplier}${data.dice}` : 0, data.bonus ?? 0]
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.filter(p => !!p)
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.join('+');
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const value = this.#calculateAdjustedDamage(previousFormula, damageMeta);
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const formula = [value.diceQuantity ? `${value.diceQuantity}d${value.faces}` : null, value.bonus]
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.filter(p => !!p)
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.join('+');
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if (value.diceQuantity) {
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data.custom.enabled = false;
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data.bonus = value.bonus;
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data.dice = `d${value.faces}`;
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data.flatMultiplier = value.diceQuantity;
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} else if (!value.diceQuantity) {
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data.custom.enabled = true;
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data.custom.formula = formula;
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}
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result[property] = { previousFormula, formula, value };
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}
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return result;
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}
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}
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