playcanvas
Version:
Open-source WebGL/WebGPU 3D engine for the web
88 lines (87 loc) • 2.55 kB
JavaScript
import { EventHandler } from "../../core/event-handler.js";
import { AppBase } from "../app-base.js";
import { ScriptAttributes } from "./script-attributes.js";
import { ScriptType } from "./script-type.js";
import { ScriptTypes } from "./script-types.js";
import { Script } from "./script.js";
const reservedScriptNames = /* @__PURE__ */ new Set([
"system",
"entity",
"create",
"destroy",
"swap",
"move",
"data",
"scripts",
"_scripts",
"_scriptsIndex",
"_scriptsData",
"enabled",
"_oldState",
"onEnable",
"onDisable",
"onPostStateChange",
"_onSetEnabled",
"_checkState",
"_onBeforeRemove",
"_onInitializeAttributes",
"_onInitialize",
"_onPostInitialize",
"_onUpdate",
"_onPostUpdate",
"_callbacks",
"_callbackActive",
"has",
"get",
"on",
"off",
"fire",
"once",
"hasEvent",
// 'worker' is reserved to prevent users from overwriting the native Worker constructor
"worker"
]);
function getReservedScriptNames() {
return reservedScriptNames;
}
function createScript(name, app) {
if (reservedScriptNames.has(name)) {
throw new Error(`Script name '${name}' is reserved, please rename the script`);
}
const scriptType = function(args) {
EventHandler.prototype.initEventHandler.call(this);
ScriptType.prototype.initScriptType.call(this, args);
};
scriptType.prototype = Object.create(ScriptType.prototype);
scriptType.prototype.constructor = scriptType;
scriptType.extend = ScriptType.extend;
scriptType.attributes = new ScriptAttributes(scriptType);
registerScript(scriptType, name, app);
return scriptType;
}
const reservedAttributes = {};
ScriptAttributes.reservedNames.forEach((value, value2, set) => {
reservedAttributes[value] = 1;
});
createScript.reservedAttributes = reservedAttributes;
function registerScript(script, name, app) {
if (typeof script !== "function") {
throw new Error(`script class: '${script}' must be a constructor function (i.e. class).`);
}
if (!(script.prototype instanceof Script)) {
throw new Error(`script class: '${ScriptType.__getScriptName(script)}' does not extend pc.Script.`);
}
name = name || script.__name || ScriptType.__getScriptName(script);
if (reservedScriptNames.has(name)) {
throw new Error(`script name: '${name}' is reserved, please change script name`);
}
script.__name = name;
const registry = app ? app.scripts : AppBase.getApplication().scripts;
registry.add(script);
ScriptTypes.push(script);
}
export {
createScript,
getReservedScriptNames,
registerScript
};