isaacscript-common
Version:
Helper functions and features for IsaacScript mods.
61 lines (60 loc) • 2.55 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PreventChildEntities = void 0;
const isaac_typescript_definitions_1 = require("isaac-typescript-definitions");
const decorators_1 = require("../../../decorators");
const Feature_1 = require("../../private/Feature");
const v = {
room: {
preventingEntities: new Set(),
},
};
class PreventChildEntities extends Feature_1.Feature {
/** @internal */
v = v;
/** @internal */
constructor() {
super();
this.callbacksUsed = [
// 27
[isaac_typescript_definitions_1.ModCallback.POST_NPC_INIT, this.postNPCInit],
];
}
// ModCallback.POST_NPC_INIT (27)
postNPCInit = (npc) => {
const spawnerEntityMatch = npc.SpawnerEntity !== undefined
&& v.room.preventingEntities.has(GetPtrHash(npc.SpawnerEntity));
const parentMatch = npc.Parent !== undefined
&& v.room.preventingEntities.has(GetPtrHash(npc.Parent));
if (spawnerEntityMatch || parentMatch) {
npc.Remove();
}
};
/**
* Helper function to prevent an entity from spawning any other entities. Meant to be used on NPCs
* like Squirts. This behavior will only last for the current room.
*
* Under the hood, this function will remove any new NPCs spawned that have a
* `Entity.SpawnerEntity` or `Entity.Parent` value that matches the provided entity. (They are
* removed during the `POST_NPC_INIT` callback specifically.)
*
* In order to use this function, you must upgrade your mod with
* `ISCFeature.PREVENT_CHILD_ENTITIES`.
*
* @public
*/
preventChildEntities(entity) {
const ptrHash = GetPtrHash(entity);
v.room.preventingEntities.add(ptrHash);
}
}
exports.PreventChildEntities = PreventChildEntities;
__decorate([
decorators_1.Exported
], PreventChildEntities.prototype, "preventChildEntities", null);