foundry-sw5e/module/apps/ability-use-dialog.js
2021-07-06 19:57:18 -05:00

227 lines
8.9 KiB
JavaScript

/**
* A specialized Dialog subclass for ability usage
* @type {Dialog}
*/
export default class AbilityUseDialog extends Dialog {
constructor(item, dialogData = {}, options = {}) {
super(dialogData, options);
this.options.classes = ["sw5e", "dialog"];
/**
* Store a reference to the Item entity being used
* @type {Item5e}
*/
this.item = item;
}
/* -------------------------------------------- */
/* Rendering */
/* -------------------------------------------- */
/**
* A constructor function which displays the Power Cast Dialog app for a given Actor and Item.
* Returns a Promise which resolves to the dialog FormData once the workflow has been completed.
* @param {Item5e} item
* @return {Promise}
*/
static async create(item) {
if (!item.isOwned) throw new Error("You cannot display an ability usage dialog for an unowned item");
// Prepare data
const actorData = item.actor.data.data;
const itemData = item.data.data;
const uses = itemData.uses || {};
const quantity = itemData.quantity || 0;
const recharge = itemData.recharge || {};
const recharges = !!recharge.value;
const sufficientUses = (quantity > 0 && !uses.value) || uses.value > 0;
// Prepare dialog form data
const data = {
item: item.data,
title: game.i18n.format("SW5E.AbilityUseHint", {
type: game.i18n.localize(`SW5E.ItemType${item.type.capitalize()}`),
name: item.name
}),
note: this._getAbilityUseNote(item.data, uses, recharge),
consumePowerSlot: false,
consumeRecharge: recharges,
consumeResource: !!itemData.consume.target,
consumeUses: uses.per && uses.max > 0,
canUse: recharges ? recharge.charged : sufficientUses,
createTemplate: game.user.can("TEMPLATE_CREATE") && item.hasAreaTarget,
errors: []
};
if (item.data.type === "power") this._getPowerData(actorData, itemData, data);
// Render the ability usage template
const html = await renderTemplate("systems/sw5e/templates/apps/ability-use.html", data);
// Create the Dialog and return data as a Promise
const icon = data.isPower ? "fa-magic" : "fa-fist-raised";
const label = game.i18n.localize("SW5E.AbilityUse" + (data.isPower ? "Cast" : "Use"));
return new Promise((resolve) => {
const dlg = new this(item, {
title: `${item.name}: ${game.i18n.localize("SW5E.AbilityUseConfig")}`,
content: html,
buttons: {
use: {
icon: `<i class="fas ${icon}"></i>`,
label: label,
callback: (html) => {
const fd = new FormDataExtended(html[0].querySelector("form"));
resolve(fd.toObject());
}
}
},
default: "use",
close: () => resolve(null)
});
dlg.render(true);
});
}
/* -------------------------------------------- */
/* Helpers */
/* -------------------------------------------- */
/**
* Get dialog data related to limited power slots
* @private
*/
static _getPowerData(actorData, itemData, data) {
// Determine whether the power may be up-cast
const lvl = itemData.level;
const consumePowerSlot = lvl > 0 && CONFIG.SW5E.powerUpcastModes.includes(itemData.preparation.mode);
// If can't upcast, return early and don't bother calculating available power slots
if (!consumePowerSlot) {
mergeObject(data, {isPower: true, consumePowerSlot});
return;
}
// Determine the levels which are feasible
let lmax = 0;
let points;
let powerType;
switch (itemData.school) {
case "lgt":
case "uni":
case "drk": {
powerType = "force";
points = actorData.attributes.force.points.value + actorData.attributes.force.points.temp;
break;
}
case "tec": {
powerType = "tech";
points = actorData.attributes.tech.points.value + actorData.attributes.tech.points.temp;
break;
}
}
// eliminate point usage for innate casters
if (actorData.attributes.powercasting === "innate") points = 999;
let powerLevels;
if (powerType === "force") {
powerLevels = Array.fromRange(10)
.reduce((arr, i) => {
if (i < lvl) return arr;
const label = CONFIG.SW5E.powerLevels[i];
const l = actorData.powers["power" + i] || {fmax: 0, foverride: null};
let max = parseInt(l.foverride || l.fmax || 0);
let slots = Math.clamped(parseInt(l.fvalue || 0), 0, max);
if (max > 0) lmax = i;
if (max > 0 && slots > 0 && points > i) {
arr.push({
level: i,
label: i > 0 ? game.i18n.format("SW5E.PowerLevelSlot", {level: label, n: slots}) : label,
canCast: max > 0,
hasSlots: slots > 0
});
}
return arr;
}, [])
.filter((sl) => sl.level <= lmax);
} else if (powerType === "tech") {
powerLevels = Array.fromRange(10)
.reduce((arr, i) => {
if (i < lvl) return arr;
const label = CONFIG.SW5E.powerLevels[i];
const l = actorData.powers["power" + i] || {tmax: 0, toverride: null};
let max = parseInt(l.override || l.tmax || 0);
let slots = Math.clamped(parseInt(l.tvalue || 0), 0, max);
if (max > 0) lmax = i;
if (max > 0 && slots > 0 && points > i) {
arr.push({
level: i,
label: i > 0 ? game.i18n.format("SW5E.PowerLevelSlot", {level: label, n: slots}) : label,
canCast: max > 0,
hasSlots: slots > 0
});
}
return arr;
}, [])
.filter((sl) => sl.level <= lmax);
}
const canCast = powerLevels.some((l) => l.hasSlots);
if (!canCast)
data.errors.push(
game.i18n.format("SW5E.PowerCastNoSlots", {
level: CONFIG.SW5E.powerLevels[lvl],
name: data.item.name
})
);
// Merge power casting data
return foundry.utils.mergeObject(data, {isPower: true, consumePowerSlot, powerLevels});
}
/* -------------------------------------------- */
/**
* Get the ability usage note that is displayed
* @private
*/
static _getAbilityUseNote(item, uses, recharge) {
// Zero quantity
const quantity = item.data.quantity;
if (quantity <= 0) return game.i18n.localize("SW5E.AbilityUseUnavailableHint");
// Abilities which use Recharge
if (!!recharge.value) {
return game.i18n.format(recharge.charged ? "SW5E.AbilityUseChargedHint" : "SW5E.AbilityUseRechargeHint", {
type: game.i18n.localize(`SW5E.ItemType${item.type.capitalize()}`)
});
}
// Does not use any resource
if (!uses.per || !uses.max) return "";
// Consumables
if (item.type === "consumable") {
let str = "SW5E.AbilityUseNormalHint";
if (uses.value > 1) str = "SW5E.AbilityUseConsumableChargeHint";
else if (item.data.quantity === 1 && uses.autoDestroy) str = "SW5E.AbilityUseConsumableDestroyHint";
else if (item.data.quantity > 1) str = "SW5E.AbilityUseConsumableQuantityHint";
return game.i18n.format(str, {
type: game.i18n.localize(`SW5E.Consumable${item.data.consumableType.capitalize()}`),
value: uses.value,
quantity: item.data.quantity,
max: uses.max,
per: CONFIG.SW5E.limitedUsePeriods[uses.per]
});
}
// Other Items
else {
return game.i18n.format("SW5E.AbilityUseNormalHint", {
type: game.i18n.localize(`SW5E.ItemType${item.type.capitalize()}`),
value: uses.value,
max: uses.max,
per: CONFIG.SW5E.limitedUsePeriods[uses.per]
});
}
}
}