foundry-sw5e/module/actor/sheets/base.js
2020-11-02 12:23:55 -07:00

928 lines
No EOL
28 KiB
JavaScript

import Item5e from "../../item/entity.js";
import TraitSelector from "../../apps/trait-selector.js";
import ActorSheetFlags from "../../apps/actor-flags.js";
import {SW5E} from '../../config.js';
/**
* Extend the basic ActorSheet class to do all the SW5e things!
* This sheet is an Abstract layer which is not used.
* @extends {ActorSheet}
*/
export default class ActorSheet5e extends ActorSheet {
constructor(...args) {
super(...args);
/**
* Track the set of item filters which are applied
* @type {Set}
*/
this._filters = {
inventory: new Set(),
powerbook: new Set(),
features: new Set(),
effects: new Set()
};
}
/* -------------------------------------------- */
/** @override */
static get defaultOptions() {
return mergeObject(super.defaultOptions, {
scrollY: [
".inventory .inventory-list",
".features .inventory-list",
".powerbook .inventory-list",
".effects .inventory-list"
],
tabs: [{navSelector: ".tabs", contentSelector: ".sheet-body", initial: "description"}]
});
}
/* -------------------------------------------- */
/** @override */
get template() {
if ( !game.user.isGM && this.actor.limited ) return "systems/sw5e/templates/actors/oldActor/limited-sheet.html";
return `systems/sw5e/templates/actors/oldActor/${this.actor.data.type}-sheet.html`;
}
/* -------------------------------------------- */
/** @override */
getData() {
// Basic data
let isOwner = this.entity.owner;
const data = {
owner: isOwner,
limited: this.entity.limited,
options: this.options,
editable: this.isEditable,
cssClass: isOwner ? "editable" : "locked",
isCharacter: this.entity.data.type === "character",
isNPC: this.entity.data.type === "npc",
isVehicle: this.entity.data.type === 'vehicle',
config: CONFIG.SW5E,
};
// The Actor and its Items
data.actor = duplicate(this.actor.data);
data.items = this.actor.items.map(i => {
i.data.labels = i.labels;
return i.data;
});
data.items.sort((a, b) => (a.sort || 0) - (b.sort || 0));
data.data = data.actor.data;
data.labels = this.actor.labels || {};
data.filters = this._filters;
// Ability Scores
for ( let [a, abl] of Object.entries(data.actor.data.abilities)) {
abl.icon = this._getProficiencyIcon(abl.proficient);
abl.hover = CONFIG.SW5E.proficiencyLevels[abl.proficient];
abl.label = CONFIG.SW5E.abilities[a];
}
// Skills
if (data.actor.data.skills) {
for ( let [s, skl] of Object.entries(data.actor.data.skills)) {
skl.ability = CONFIG.SW5E.abilityAbbreviations[skl.ability];
skl.icon = this._getProficiencyIcon(skl.value);
skl.hover = CONFIG.SW5E.proficiencyLevels[skl.value];
skl.label = CONFIG.SW5E.skills[s];
}
}
// Update traits
this._prepareTraits(data.actor.data.traits);
// Prepare owned items
this._prepareItems(data);
// Prepare active effects
this._prepareEffects(data);
// Return data to the sheet
return data
}
/* -------------------------------------------- */
/**
* Prepare the data structure for traits data like languages, resistances & vulnerabilities, and proficiencies
* @param {object} traits The raw traits data object from the actor data
* @private
*/
_prepareTraits(traits) {
const map = {
"dr": CONFIG.SW5E.damageResistanceTypes,
"di": CONFIG.SW5E.damageResistanceTypes,
"dv": CONFIG.SW5E.damageResistanceTypes,
"ci": CONFIG.SW5E.conditionTypes,
"languages": CONFIG.SW5E.languages,
"armorProf": CONFIG.SW5E.armorProficiencies,
"weaponProf": CONFIG.SW5E.weaponProficiencies,
"toolProf": CONFIG.SW5E.toolProficiencies
};
for ( let [t, choices] of Object.entries(map) ) {
const trait = traits[t];
if ( !trait ) continue;
let values = [];
if ( trait.value ) {
values = trait.value instanceof Array ? trait.value : [trait.value];
}
trait.selected = values.reduce((obj, t) => {
obj[t] = choices[t];
return obj;
}, {});
// Add custom entry
if ( trait.custom ) {
trait.custom.split(";").forEach((c, i) => trait.selected[`custom${i+1}`] = c.trim());
}
trait.cssClass = !isObjectEmpty(trait.selected) ? "" : "inactive";
}
}
/* -------------------------------------------- */
/**
* Prepare the data structure for Active Effects which are currently applied to the Actor.
* @param {object} data The object of rendering data which is being prepared
* @private
*/
_prepareEffects(data) {
// Define effect header categories
const categories = {
temporary: {
label: "Temporary Effects",
effects: []
},
passive: {
label: "Passive Effects",
effects: []
},
inactive: {
label: "Inactive Effects",
effects: []
}
};
// Iterate over active effects, classifying them into categories
for ( let e of this.actor.effects ) {
e._getSourceName(); // Trigger a lookup for the source name
if ( e.data.disabled ) categories.inactive.effects.push(e);
else if ( e.isTemporary ) categories.temporary.effects.push(e);
else categories.passive.effects.push(e);
}
// Add the prepared categories of effects to the rendering data
return data.effects = categories;
}
/* -------------------------------------------- */
/**
* Insert a power into the powerbook object when rendering the character sheet
* @param {Object} data The Actor data being prepared
* @param {Array} powers The power data being prepared
* @private
*/
_preparePowerbook(data, powers) {
const owner = this.actor.owner;
const levels = data.data.powers;
const powerbook = {};
// Define some mappings
const sections = {
"atwill": -20,
"innate": -10,
"pact": 0.5
};
// Label power slot uses headers
const useLabels = {
"-20": "-",
"-10": "-",
"0": "∞"
};
// Format a powerbook entry for a certain indexed level
const registerSection = (sl, i, label, {prepMode="prepared", value, max, override}={}) => {
powerbook[i] = {
order: i,
label: label,
usesSlots: i > 0,
canCreate: owner,
canPrepare: (data.actor.type === "character") && (i >= 1),
powers: [],
uses: useLabels[i] || value || 0,
slots: useLabels[i] || max || 0,
override: override || 0,
dataset: {"type": "power", "level": prepMode in sections ? 1 : i, "preparation.mode": prepMode},
prop: sl
};
};
// Determine the maximum power level which has a slot
const maxLevel = Array.fromRange(10).reduce((max, i) => {
if ( i === 0 ) return max;
const level = levels[`power${i}`];
if ( (level.max || level.override ) && ( i > max ) ) max = i;
return max;
}, 0);
// Level-based powercasters have cantrips and leveled slots
if ( maxLevel > 0 ) {
registerSection("power0", 0, CONFIG.SW5E.powerLevels[0]);
for (let lvl = 1; lvl <= maxLevel; lvl++) {
const sl = `power${lvl}`;
registerSection(sl, lvl, CONFIG.SW5E.powerLevels[lvl], levels[sl]);
}
}
// Pact magic users have cantrips and a pact magic section
if ( levels.pact && levels.pact.max ) {
if ( !powerbook["0"] ) registerSection("power0", 0, CONFIG.SW5E.powerLevels[0]);
const l = levels.pact;
const config = CONFIG.SW5E.powerPreparationModes.pact;
registerSection("pact", sections.pact, config, {
prepMode: "pact",
value: l.value,
max: l.max,
override: l.override
});
}
// Iterate over every power item, adding powers to the powerbook by section
powers.forEach(power => {
const mode = power.data.preparation.mode || "prepared";
let s = power.data.level || 0;
const sl = `power${s}`;
// Specialized powercasting modes (if they exist)
if ( mode in sections ) {
s = sections[mode];
if ( !powerbook[s] ){
const l = levels[mode] || {};
const config = CONFIG.SW5E.powerPreparationModes[mode];
registerSection(mode, s, config, {
prepMode: mode,
value: l.value,
max: l.max,
override: l.override
});
}
}
// Sections for higher-level powers which the caster "should not" have, but power items exist for
else if ( !powerbook[s] ) {
registerSection(sl, s, CONFIG.SW5E.powerLevels[s], {levels: levels[sl]});
}
// Add the power to the relevant heading
powerbook[s].powers.push(power);
});
// Sort the powerbook by section level
const sorted = Object.values(powerbook);
sorted.sort((a, b) => a.order - b.order);
return sorted;
}
/* -------------------------------------------- */
/**
* Determine whether an Owned Item will be shown based on the current set of filters
* @return {boolean}
* @private
*/
_filterItems(items, filters) {
return items.filter(item => {
const data = item.data;
// Action usage
for ( let f of ["action", "bonus", "reaction"] ) {
if ( filters.has(f) ) {
if ((data.activation && (data.activation.type !== f))) return false;
}
}
// Power-specific filters
if ( filters.has("ritual") ) {
if (data.components.ritual !== true) return false;
}
if ( filters.has("concentration") ) {
if (data.components.concentration !== true) return false;
}
if ( filters.has("prepared") ) {
if ( data.level === 0 || ["innate", "always"].includes(data.preparation.mode) ) return true;
if ( this.actor.data.type === "npc" ) return true;
return data.preparation.prepared;
}
// Equipment-specific filters
if ( filters.has("equipped") ) {
if ( data.equipped !== true ) return false;
}
return true;
});
}
/* -------------------------------------------- */
/**
* Get the font-awesome icon used to display a certain level of skill proficiency
* @private
*/
_getProficiencyIcon(level) {
const icons = {
0: '<i class="far fa-circle"></i>',
0.5: '<i class="fas fa-adjust"></i>',
1: '<i class="fas fa-check"></i>',
2: '<i class="fas fa-check-double"></i>'
};
return icons[level];
}
/* -------------------------------------------- */
/* Event Listeners and Handlers
/* -------------------------------------------- */
/**
* Activate event listeners using the prepared sheet HTML
* @param html {HTML} The prepared HTML object ready to be rendered into the DOM
*/
activateListeners(html) {
// Activate Item Filters
const filterLists = html.find(".filter-list");
filterLists.each(this._initializeFilterItemList.bind(this));
filterLists.on("click", ".filter-item", this._onToggleFilter.bind(this));
// Item summaries
html.find('.item .item-name h4').click(event => this._onItemSummary(event));
// Editable Only Listeners
if ( this.isEditable ) {
// Input focus and update
const inputs = html.find("input");
inputs.focus(ev => ev.currentTarget.select());
inputs.addBack().find('[data-dtype="Number"]').change(this._onChangeInputDelta.bind(this));
// Ability Proficiency
html.find('.ability-proficiency').click(this._onToggleAbilityProficiency.bind(this));
// Toggle Skill Proficiency
html.find('.skill-proficiency').on("click contextmenu", this._onCycleSkillProficiency.bind(this));
// Trait Selector
html.find('.trait-selector').click(this._onTraitSelector.bind(this));
// Configure Special Flags
html.find('.configure-flags').click(this._onConfigureFlags.bind(this));
// Owned Item management
html.find('.item-create').click(this._onItemCreate.bind(this));
html.find('.item-edit').click(this._onItemEdit.bind(this));
html.find('.item-delete').click(this._onItemDelete.bind(this));
html.find('.item-uses input').click(ev => ev.target.select()).change(this._onUsesChange.bind(this));
html.find('.slot-max-override').click(this._onPowerSlotOverride.bind(this));
// Active Effect management
html.find(".effect-control").click(this._onManageActiveEffect.bind(this));
}
// Owner Only Listeners
if ( this.actor.owner ) {
// Ability Checks
html.find('.ability-name').click(this._onRollAbilityTest.bind(this));
// Roll Skill Checks
html.find('.skill-name').click(this._onRollSkillCheck.bind(this));
// Item Rolling
html.find('.item .item-image').click(event => this._onItemRoll(event));
html.find('.item .item-recharge').click(event => this._onItemRecharge(event));
}
// Otherwise remove rollable classes
else {
html.find(".rollable").each((i, el) => el.classList.remove("rollable"));
}
// Handle default listeners last so system listeners are triggered first
super.activateListeners(html);
}
/* -------------------------------------------- */
/**
* Iinitialize Item list filters by activating the set of filters which are currently applied
* @private
*/
_initializeFilterItemList(i, ul) {
const set = this._filters[ul.dataset.filter];
const filters = ul.querySelectorAll(".filter-item");
for ( let li of filters ) {
if ( set.has(li.dataset.filter) ) li.classList.add("active");
}
}
/* -------------------------------------------- */
/* Event Listeners and Handlers */
/* -------------------------------------------- */
/**
* Handle input changes to numeric form fields, allowing them to accept delta-typed inputs
* @param event
* @private
*/
_onChangeInputDelta(event) {
const input = event.target;
const value = input.value;
if ( ["+", "-"].includes(value[0]) ) {
let delta = parseFloat(value);
input.value = getProperty(this.actor.data, input.name) + delta;
} else if ( value[0] === "=" ) {
input.value = value.slice(1);
}
}
/* -------------------------------------------- */
/**
* Handle click events for the Traits tab button to configure special Character Flags
*/
_onConfigureFlags(event) {
event.preventDefault();
new ActorSheetFlags(this.actor).render(true);
}
/* -------------------------------------------- */
/**
* Handle cycling proficiency in a Skill
* @param {Event} event A click or contextmenu event which triggered the handler
* @private
*/
_onCycleSkillProficiency(event) {
event.preventDefault();
const field = $(event.currentTarget).siblings('input[type="hidden"]');
// Get the current level and the array of levels
const level = parseFloat(field.val());
const levels = [0, 1, 0.5, 2];
let idx = levels.indexOf(level);
// Toggle next level - forward on click, backwards on right
if ( event.type === "click" ) {
field.val(levels[(idx === levels.length - 1) ? 0 : idx + 1]);
} else if ( event.type === "contextmenu" ) {
field.val(levels[(idx === 0) ? levels.length - 1 : idx - 1]);
}
// Update the field value and save the form
this._onSubmit(event);
}
/* -------------------------------------------- */
/** @override */
async _onDropActor(event, data) {
const canPolymorph = game.user.isGM || (this.actor.owner && game.settings.get('sw5e', 'allowPolymorphing'));
if ( !canPolymorph ) return false;
// Get the target actor
let sourceActor = null;
if (data.pack) {
const pack = game.packs.find(p => p.collection === data.pack);
sourceActor = await pack.getEntity(data.id);
} else {
sourceActor = game.actors.get(data.id);
}
if ( !sourceActor ) return;
// Define a function to record polymorph settings for future use
const rememberOptions = html => {
const options = {};
html.find('input').each((i, el) => {
options[el.name] = el.checked;
});
const settings = mergeObject(game.settings.get('sw5e', 'polymorphSettings') || {}, options);
game.settings.set('sw5e', 'polymorphSettings', settings);
return settings;
};
// Create and render the Dialog
return new Dialog({
title: game.i18n.localize('SW5E.PolymorphPromptTitle'),
content: {
options: game.settings.get('sw5e', 'polymorphSettings'),
i18n: SW5E.polymorphSettings,
isToken: this.actor.isToken
},
default: 'accept',
buttons: {
accept: {
icon: '<i class="fas fa-check"></i>',
label: game.i18n.localize('SW5E.PolymorphAcceptSettings'),
callback: html => this.actor.transformInto(sourceActor, rememberOptions(html))
},
wildshape: {
icon: '<i class="fas fa-paw"></i>',
label: game.i18n.localize('SW5E.PolymorphWildShape'),
callback: html => this.actor.transformInto(sourceActor, {
keepMental: true,
mergeSaves: true,
mergeSkills: true,
transformTokens: rememberOptions(html).transformTokens
})
},
polymorph: {
icon: '<i class="fas fa-pastafarianism"></i>',
label: game.i18n.localize('SW5E.Polymorph'),
callback: html => this.actor.transformInto(sourceActor, {
transformTokens: rememberOptions(html).transformTokens
})
},
cancel: {
icon: '<i class="fas fa-times"></i>',
label: game.i18n.localize('Cancel')
}
}
}, {
classes: ['dialog', 'sw5e'],
width: 600,
template: 'systems/sw5e/templates/apps/polymorph-prompt.html'
}).render(true);
}
/* -------------------------------------------- */
/** @override */
async _onDropItemCreate(itemData) {
// Create a Consumable power scroll on the Inventory tab
if ( (itemData.type === "power") && (this._tabs[0].active === "inventory") ) {
const scroll = await Item5e.createScrollFromPower(itemData);
itemData = scroll.data;
}
// Create the owned item as normal
// TODO remove conditional logic in 0.7.x
if (isNewerVersion(game.data.version, "0.6.9")) return super._onDropItemCreate(itemData);
else return this.actor.createEmbeddedEntity("OwnedItem", itemData);
}
/* -------------------------------------------- */
/**
* Handle enabling editing for a power slot override value
* @param {MouseEvent} event The originating click event
* @private
*/
async _onPowerSlotOverride (event) {
const span = event.currentTarget.parentElement;
const level = span.dataset.level;
const override = this.actor.data.data.powers[level].override || span.dataset.slots;
const input = document.createElement("INPUT");
input.type = "text";
input.name = `data.powers.${level}.override`;
input.value = override;
input.placeholder = span.dataset.slots;
input.dataset.dtype = "Number";
// Replace the HTML
const parent = span.parentElement;
parent.removeChild(span);
parent.appendChild(input);
}
/* -------------------------------------------- */
/**
* Change the uses amount of an Owned Item within the Actor
* @param {Event} event The triggering click event
* @private
*/
async _onUsesChange(event) {
event.preventDefault();
const itemId = event.currentTarget.closest(".item").dataset.itemId;
const item = this.actor.getOwnedItem(itemId);
const uses = Math.clamped(0, parseInt(event.target.value), item.data.data.uses.max);
event.target.value = uses;
return item.update({ 'data.uses.value': uses });
}
/* -------------------------------------------- */
/**
* Handle rolling of an item from the Actor sheet, obtaining the Item instance and dispatching to it's roll method
* @private
*/
_onItemRoll(event) {
event.preventDefault();
const itemId = event.currentTarget.closest(".item").dataset.itemId;
const item = this.actor.getOwnedItem(itemId);
// Roll powers through the actor
if ( item.data.type === "power" ) {
return this.actor.usePower(item, {configureDialog: !event.shiftKey});
}
// Otherwise roll the Item directly
else return item.roll();
}
/* -------------------------------------------- */
/**
* Handle attempting to recharge an item usage by rolling a recharge check
* @param {Event} event The originating click event
* @private
*/
_onItemRecharge(event) {
event.preventDefault();
const itemId = event.currentTarget.closest(".item").dataset.itemId;
const item = this.actor.getOwnedItem(itemId);
return item.rollRecharge();
};
/* -------------------------------------------- */
/**
* Handle rolling of an item from the Actor sheet, obtaining the Item instance and dispatching to it's roll method
* @private
*/
_onItemSummary(event) {
event.preventDefault();
let li = $(event.currentTarget).parents(".item"),
item = this.actor.getOwnedItem(li.data("item-id")),
chatData = item.getChatData({secrets: this.actor.owner});
// Toggle summary
if ( li.hasClass("expanded") ) {
let summary = li.children(".item-summary");
summary.slideUp(200, () => summary.remove());
} else {
let div = $(`<div class="item-summary">${chatData.description.value}</div>`);
let props = $(`<div class="item-properties"></div>`);
chatData.properties.forEach(p => props.append(`<span class="tag">${p}</span>`));
div.append(props);
li.append(div.hide());
div.slideDown(200);
}
li.toggleClass("expanded");
}
/* -------------------------------------------- */
/**
* Handle creating a new Owned Item for the actor using initial data defined in the HTML dataset
* @param {Event} event The originating click event
* @private
*/
_onItemCreate(event) {
event.preventDefault();
const header = event.currentTarget;
const type = header.dataset.type;
const itemData = {
name: game.i18n.format("SW5E.ItemNew", {type: type.capitalize()}),
type: type,
data: duplicate(header.dataset)
};
delete itemData.data["type"];
return this.actor.createOwnedItem(itemData);
}
/* -------------------------------------------- */
/**
* Handle editing an existing Owned Item for the Actor
* @param {Event} event The originating click event
* @private
*/
_onItemEdit(event) {
event.preventDefault();
const li = event.currentTarget.closest(".item");
const item = this.actor.getOwnedItem(li.dataset.itemId);
item.sheet.render(true);
}
/* -------------------------------------------- */
/**
* Handle deleting an existing Owned Item for the Actor
* @param {Event} event The originating click event
* @private
*/
_onItemDelete(event) {
event.preventDefault();
const li = event.currentTarget.closest(".item");
this.actor.deleteOwnedItem(li.dataset.itemId);
}
/* -------------------------------------------- */
/**
* Manage Active Effect instances through the Actor Sheet via effect control buttons.
* @param {MouseEvent} event The left-click event on the effect control
* @private
*/
_onManageActiveEffect(event) {
event.preventDefault();
const a = event.currentTarget;
const li = a.closest(".effect");
const effect = this.actor.effects.get(li.dataset.effectId);
switch ( a.dataset.action ) {
case "edit":
return effect.sheet.render(true);
case "delete":
return effect.delete();
case "toggle":
return effect.update({disabled: !effect.data.disabled});
}
}
/* -------------------------------------------- */
/**
* Handle rolling an Ability check, either a test or a saving throw
* @param {Event} event The originating click event
* @private
*/
_onRollAbilityTest(event) {
event.preventDefault();
let ability = event.currentTarget.parentElement.dataset.ability;
this.actor.rollAbility(ability, {event: event});
}
/* -------------------------------------------- */
/**
* Handle rolling a Skill check
* @param {Event} event The originating click event
* @private
*/
_onRollSkillCheck(event) {
event.preventDefault();
const skill = event.currentTarget.parentElement.dataset.skill;
this.actor.rollSkill(skill, {event: event});
}
/* -------------------------------------------- */
/**
* Handle toggling Ability score proficiency level
* @param {Event} event The originating click event
* @private
*/
_onToggleAbilityProficiency(event) {
event.preventDefault();
const field = event.currentTarget.previousElementSibling;
this.actor.update({[field.name]: 1 - parseInt(field.value)});
}
/* -------------------------------------------- */
/**
* Handle toggling of filters to display a different set of owned items
* @param {Event} event The click event which triggered the toggle
* @private
*/
_onToggleFilter(event) {
event.preventDefault();
const li = event.currentTarget;
const set = this._filters[li.parentElement.dataset.filter];
const filter = li.dataset.filter;
if ( set.has(filter) ) set.delete(filter);
else set.add(filter);
this.render();
}
/* -------------------------------------------- */
/**
* Handle spawning the TraitSelector application which allows a checkbox of multiple trait options
* @param {Event} event The click event which originated the selection
* @private
*/
_onTraitSelector(event) {
event.preventDefault();
const a = event.currentTarget;
const label = a.parentElement.querySelector("label");
const choices = CONFIG.SW5E[a.dataset.options];
const options = { name: a.dataset.target, title: label.innerText, choices };
new TraitSelector(this.actor, options).render(true)
}
/* -------------------------------------------- */
/** @override */
_getHeaderButtons() {
let buttons = super._getHeaderButtons();
// Add button to revert polymorph
if ( !this.actor.isPolymorphed || this.actor.isToken ) return buttons;
buttons.unshift({
label: 'SW5E.PolymorphRestoreTransformation',
class: "restore-transformation",
icon: "fas fa-backward",
onclick: ev => this.actor.revertOriginalForm()
});
return buttons;
}
/* -------------------------------------------- */
/* DEPRECATED */
/* -------------------------------------------- */
/**
* TODO: Remove once 0.7.x is release
* @deprecated since 0.7.0
*/
async _onDrop (event) {
event.preventDefault();
// Get dropped data
let data;
try {
data = JSON.parse(event.dataTransfer.getData('text/plain'));
} catch (err) {
return false;
}
if ( !data ) return false;
// Handle the drop with a Hooked function
const allowed = Hooks.call("dropActorSheetData", this.actor, this, data);
if ( allowed === false ) return;
// Case 1 - Dropped Item
if ( data.type === "Item" ) {
return this._onDropItem(event, data);
}
// Case 2 - Dropped Actor
if ( data.type === "Actor" ) {
return this._onDropActor(event, data);
}
}
/* -------------------------------------------- */
/**
* TODO: Remove once 0.7.x is release
* @deprecated since 0.7.0
*/
async _onDropItem(event, data) {
if ( !this.actor.owner ) return false;
let itemData = await this._getItemDropData(event, data);
// Handle item sorting within the same Actor
const actor = this.actor;
let sameActor = (data.actorId === actor._id) || (actor.isToken && (data.tokenId === actor.token.id));
if (sameActor) return this._onSortItem(event, itemData);
// Create a new item
this._onDropItemCreate(itemData);
}
/* -------------------------------------------- */
/**
* TODO: Remove once 0.7.x is release
* @deprecated since 0.7.0
*/
async _getItemDropData(event, data) {
let itemData = null;
// Case 1 - Import from a Compendium pack
if (data.pack) {
const pack = game.packs.get(data.pack);
if (pack.metadata.entity !== "Item") return;
itemData = await pack.getEntry(data.id);
}
// Case 2 - Data explicitly provided
else if (data.data) {
itemData = data.data;
}
// Case 3 - Import from World entity
else {
let item = game.items.get(data.id);
if (!item) return;
itemData = item.data;
}
// Return a copy of the extracted data
return duplicate(itemData);
}
}