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pw-js-world

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An optional package for PW-JS-Api, aims to serve world purposes.

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.compareObjs = compareObjs; exports.uint8ArrayEquals = uint8ArrayEquals; exports.map = map; exports.find = find; exports.findIndex = findIndex; exports.createBlockPacket = createBlockPacket; exports.createBlockPackets = createBlockPackets; exports.read7BitEncodedInt = read7BitEncodedInt; exports.listedFieldTypeToGameType = listedFieldTypeToGameType; const tslib_1 = require("tslib"); const Constants_js_1 = require("../Constants.js"); const Block_js_1 = tslib_1.__importDefault(require("../Block.js")); // const aaa = { // hi: 0 // }; // // setInterval(() => { // // console.log(aaa.hi); // // }, 1); /** * True if objA matches the contents to that of objB * * TODO: proper array support? */ function compareObjs(objA, objB) { const keysA = Object.keys(objA); const keysB = Object.keys(objB); // console.log(objA, objB); if (keysA.length !== keysB.length) return false; for (let i = 0; i < keysA.length; i++) { const valA = objA[keysA[i]]; const valB = objB[keysA[i]]; if (typeof valA !== typeof valB) return false; // in case they're both undefined...? if (valA === valB) continue; if (valB === undefined) return false; if (typeof valA === "object" && typeof valB === "object") { const isArray = [Array.isArray(valA), Array.isArray(valB)]; if (isArray[0] && !isArray[1]) return false; if (!isArray[0] && isArray[1]) return false; // TODO: proper array support? if (isArray[0] && isArray[1]) { if (valA.length !== valB.length) return false; for (let j = 0; j < valA.length; j++) { if (valA[j] !== valB[j]) return false; } } else { if (!compareObjs(valA, valB)) return false; } } else if (valA !== valB) return false; } return true; } function uint8ArrayEquals(a, b) { if (a === b) { return true; } if (a.byteLength !== b.byteLength) { return false; } for (let i = 0; i < a.byteLength; i++) { if (a[i] !== b[i]) { return false; } } return true; } function map(arr, cb) { const res = []; if (!Array.isArray(arr)) arr = Array.from(arr.values()); for (let i = 0, len = arr.length; i < len; i++) { res[i] = cb(arr[i], i, arr); // if (pred(arr[i], i, arr)) res.push(arr[i]); } return res; } function find(arr, pred) { if (!Array.isArray(arr)) arr = Array.from(arr.values()); for (let i = 0, len = arr.length; i < len; i++) { if (pred(arr[i], i, arr)) return arr[i]; } return undefined; } function findIndex(arr, pred) { if (!Array.isArray(arr)) arr = Array.from(arr.values()); for (let i = 0, len = arr.length; i < len; i++) { if (pred(arr[i], i, arr)) return i; } return -1; } function createBlockPacket(blockId, layer, pos, args) { if (blockId instanceof Block_js_1.default) { args = blockId.args; blockId = blockId.bId; } else if (typeof blockId !== "number") { blockId = Block_js_1.default.getIdByName(blockId); } if (blockId === undefined) throw Error("Unknown block ID"); if (layer === undefined || layer < 0 || layer > 2) throw Error("Unknown layer type"); if (!Array.isArray(pos)) pos = [pos]; return { isFillOperation: false, blockId, layer, positions: pos, fields: Block_js_1.default.getArgsAsFields(blockId, args) // extraFields: Block.serializeArgs(blockId, args, { endian: "big", writeId: false, readTypeByte: true }) }; } /** * Creates sendable packets from given blocks. Attempts to minimise packet count, so it's preferable * to use it over creating packets with createBlockPacket multiple times. */ function createBlockPackets(blocks) { // Exact max packet position size is unknown, but it was noticed, it works correctly with this size const list = []; for (let i = 0, len = blocks.length; i < len; i++) { const block = blocks[i]; const packet = createBlockPacket(block.block, block.layer, block.pos); let existingPacket; for (let j = 0, jen = list.length; j < jen; j++) { if (list[j].blockId === block.block.bId && list[j].layer === block.layer && list[j].positions.length < Constants_js_1.MAX_WORLD_BLOCK_PLACED_PACKET_POSITION_SIZE && compareObjs(list[j].fields, packet.fields)) { existingPacket = list[j]; break; } } if (existingPacket) { const pos = existingPacket.positions; for (let j = 0, jen = pos.length; j < jen; j++) { if (block.pos.x !== pos[j].x || block.pos.y !== pos[j].y) { existingPacket.positions.push(block.pos); break; } } } else list.push(packet); } return list; } /** * Since this is literally the only function related to dealing with binary stuff, a file would be redundant. * * Credits: Priddle / NVD https://discord.com/channels/534079923573489667/1230093943941758977/1431632635645530234 */ function read7BitEncodedInt(reader, offset) { let value = 0; let shift = 0; let byte; do { byte = reader.readUInt8(offset.val++); value |= (byte & 0x7F) << shift; shift += 7; } while ((byte & 0x80) != 0); return value; } /** * I don't know what else to call this. * * This will convert the type from getListedBlocks#fields to match the one from the game. */ function listedFieldTypeToGameType(type) { switch (type) { case "String": return "stringValue"; case "Int32": return "int32Value"; case "UInt32": return "uint32Value"; case "Boolean": return "boolValue"; case "DrumNote[]": case "PianoNote[]": case "GuitarNote[]": return "byteArrayValue"; default: throw Error("Unknown field type (" + type + ") - PLEASE CONTACT LIBRARY MAINTAINER (Doomester)"); } } //# 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