33 lines
959 B
TypeScript
33 lines
959 B
TypeScript
// deno-lint-ignore-file ban-types
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import type { SysCallMapping } from "../../lib/plugos/system.ts";
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import { LuaStackFrame, luaValueToJS } from "../../lib/space_lua/runtime.ts";
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import type { Client } from "../client.ts";
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import type { EventSubscription } from "../../lib/event.ts";
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export function eventListenerSyscalls(
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client: Client,
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): SysCallMapping {
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return {
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/**
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* Define a Lua event listener
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*/
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"event.listen": (
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_ctx,
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def: EventSubscription,
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) => {
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console.log("Registering Lua event listener: ", def.name);
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const listeners = client.config.get<Function[]>([
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"eventListeners",
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def.name,
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], []);
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listeners.push((...args: any[]) => {
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// Convert return value to JS
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return def.run(...args).then((val) =>
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luaValueToJS(val, LuaStackFrame.lostFrame)
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);
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});
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client.config.set(["eventListeners", def.name], listeners);
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},
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};
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}
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