Lode Runner v2.30e, AI_VERSION=4
The major change is adding a backup and restore feature for "custom levels".
Cette révision appartient à :
simon_hung
@@ -0,0 +1,340 @@
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//=================================================================================
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// For share custom level to other players
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// --------------------------------------------------------------------------------
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// Version 1 url parameter format:
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//
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// ?shareLevel=[LEVEL DATA].[s]([v][m][t][r][creator][pading])
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//
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// [LEVEL DATA] : ZIP level data
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// [s]: checksum ([v]..[pading])
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// [v]: version = 1 [0]
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// [m]: share mode (1:Fackbook, 2:twitter, 3:weibo, 4:link) [1]
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// [t]: theme mode (1:apple2, 2:c64) [2]
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// [r]: reserved 3 bytes [3..5]
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// [creator]: creator name [6-]
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// [pading]: pading "@" let length([v]+[m]+[t]+[creator]+[pading]) multiplier of 3
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//=================================================================================
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var SHARE_DATA_VERSION = 1;
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var shareLevelData = [""];
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var shareInfo = null; // { ver:1, mode:1-4 [m], theme:1-2 [t], creator: }
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var shareFirstTime = 1;
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function getQueryStringParameterValue(queryString, parameterName)
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{
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var ParameterValue = "";
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var valueLength = 0
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queryString = decodeURIComponent(queryString); //url decode
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var beginIdxOfParameter = queryString.indexOf(parameterName + "=");
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if (beginIdxOfParameter >= 0) {
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var startIdx = beginIdxOfParameter + parameterName.length + 1; // skip "parameterName="
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for (var endIdx=startIdx;
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queryString.charAt(endIdx) !='&' && endIdx < queryString.length; endIdx++) valueLength++;
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ParameterValue = queryString.substr(startIdx, valueLength);
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}
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return ParameterValue;
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}
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function getShareChecksum(strData)
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{
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var checksum = 0;
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for(var i = 0; i < strData.length; i++) {
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checksum += strData.charCodeAt(i);
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}
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return value2OutValue((checksum & 0x1F)+1); //1..32
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}
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function getShareVerInfo(encUrlVerData)
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{
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var verInfo = null;
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var infoChecksum = encUrlVerData.charAt(0);
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var urlVerData = atob(encUrlVerData.substr(1,)); //base64 decode
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var strChecksum = getShareChecksum(urlVerData);
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var version = urlVerData.charAt(0);
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if(infoChecksum == strChecksum && (urlVerData.length % 3) == 0 && urlVerData.length >= 9 && version == '1') {
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var shareMode = urlVerData.charCodeAt(1)-'0'.charCodeAt(0); //[m]
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var theme = urlVerData.charCodeAt(2)-'0'.charCodeAt(0); //[t]
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var creator = urlVerData.substr(6,); //[creator]
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var creatorLength = creator.length;
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// remove last '@' chars
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while(creatorLength > 0) {
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if (creator.charAt(creatorLength-1) == '@') creatorLength--;
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else break;
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}
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if (creator.length != creatorLength)
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creator = creator.substr(0, creatorLength);
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if(shareMode > 0 && shareMode <= 4 && theme > 0 && theme <=2 && creatorLength > 0 && vaildPlayerName(creator)) {
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verInfo = {};
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verInfo.ver = 1;
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verInfo.mode = shareMode;
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verInfo.theme = theme;
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verInfo.creator = creator;
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}
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}
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if(!verInfo) error("wrong verInfo");
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return verInfo;
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}
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function getShareUrlInfo()
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{
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if (!shareFirstTime) return;
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shareFirstTime = 0;
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var shareUrlData = getQueryStringParameterValue(location.search, "shareLevel");
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if (shareUrlData) {
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var dotPos = shareUrlData.indexOf(".");
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if (dotPos > 0) {
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var unzipLevel = unzipLevelMap(shareUrlData.substr(0, dotPos));
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if(unzipLevel && shareUrlData.length > dotPos) {
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shareInfo = getShareVerInfo(shareUrlData.substr(dotPos+1,));
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}
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if (shareInfo) {
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shareLevelData[0] = unzipLevel;
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copyShareLevelForEditing();
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playMode = PLAY_MODERN;
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playData = PLAY_DATA_SHARE;
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/////////////////////////////////////////////////
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sendShareLevel2Server(unzipLevel, shareInfo, null); //new or update share count
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/////////////////////////////////////////////////
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}
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// remove "share.html"
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var removeString = "/share.html";
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var removeLength = removeString.length;
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var newPathName = location.pathname;
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if(newPathName.substr(-removeLength) == removeString)
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newPathName = newPathName.substr(0, newPathName.length-removeLength+1);
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//console.log(newPathName);
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// change URL to normal path (adds an entry to the browser's session history stack)
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history.pushState({}, "Lode Runner Web Game", newPathName);
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}
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}
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}
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function converLevel2ShareUrl(level, shareMode, creator)
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{
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var theme =(curTheme == THEME_APPLE2)?1:2;
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var padingTimes = (3-creator.length%3) % 3;
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var zipLevel = zipLevelMap(level);
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var verInfo = `1${shareMode}${theme} ${creator}${'@'.repeat(padingTimes)}`;
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var checksum = getShareChecksum(verInfo);
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var leftSlash = location.pathname.lastIndexOf("/");
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var pathName = leftSlash < 0 ? "/": location.pathname.substr(0,leftSlash+1);
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var host = location.host;
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//host = "loderunnerwebgame.com/game";
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return location.protocol + "//" + host + pathName + "share.html?shareLevel=" + zipLevel + "." + checksum + encodeURIComponent(btoa(verInfo));
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}
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var zipIdToMap = [' ', '#', '@', 'H', '-', 'X', 'S', '$', '0', '&'];
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var mapToZipId = {' ':0, '#':1, '@':2, 'H':3, '-': 4, 'X':5, 'S':6, '$':7, '0':8, '&':9 }
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// value range [1..52] ==> A..Z + a..z
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// (01-26) ==> 'A'-'Z' (0x41 - 0x5A)
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// (27-52) ==> 'a'-'z' (0x61 - 0x7A)
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function value2OutValue(value)
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{
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assert(value >= 1 && value <= 52 , "Error: value not in range 1..52");
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if (value <= 26) {
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var outValue = String.fromCharCode(value-1 + 'A'.charCodeAt(0)); //'A' ==> 1 , 'B' ==> 2 ...
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} else {
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var outValue = String.fromCharCode(value-27 + 'a'.charCodeAt(0)); //'a' ==> 27 , 'b' ==> 28 ...
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}
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return outValue;
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}
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function appendZipTile(tileType, tileCount)
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{
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var rcTile = '';
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var outTile = String.fromCharCode(mapToZipId[tileType] + '0'.charCodeAt(0)); //0 ==> '0' , 1 ==> '1'
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switch(tileCount) {
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case 0:
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error("design error, tileType = None");
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break;
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case 1:
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rcTile = outTile;
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break
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case 2:
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rcTile = outTile + outTile;
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break;
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default:
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outCount = value2OutValue(tileCount);
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rcTile = outCount + outTile
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break;
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}
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return rcTile;
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}
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function zipLevelMap(level)
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{
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var zipLevel = "";
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assert(level.length == (NO_OF_TILES_X * NO_OF_TILES_Y), "Error: zipShareLevel tiles != totalTiles");
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var lastTile = ''; // begin with a fake tile
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var tileCount = 0;
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var checksum = 0; // checksum
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for(var tileIdx = 0; tileIdx < level.length; tileIdx++) {
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curTile = level.charAt(tileIdx);
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checksum += mapToZipId[curTile]; //XOR
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if (lastTile == curTile) {
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tileCount += 1;
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if (tileCount < 52) continue; // the maximun compress count = 52 (a-z + A-Z)
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else curTile = ''; //fake tile
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}
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if (tileCount > 0) zipLevel += appendZipTile(lastTile, tileCount);
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lastTile = curTile;
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if (lastTile == '') tileCount = 0; // compress count > max compress count (append a fake tile)
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else tileCount = 1;
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}
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if (tileCount > 0) zipLevel += appendZipTile(lastTile, tileCount);
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zipLevel += value2OutValue((checksum & 0x1F)+1); // checksum 1..32
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return zipLevel;
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}
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function unzipLevelMap(zipLevel)
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{
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var dupNum = 1;
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var unzipLevel = '';
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var checksum = 0;
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var caseType = 1;
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for (var curIdx = 0; curIdx < zipLevel.length && caseType > 0; curIdx++) {
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curChar = zipLevel.charAt(curIdx);
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switch (true) {
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case curChar >= '0' && curChar <= '9': // tileType
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caseType = 1;
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tileIdx = curChar.charCodeAt(0) - '0'.charCodeAt(0);
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unzipLevel += Array(dupNum+1).join(zipIdToMap[tileIdx]); // char * dupNum
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checksum += (tileIdx * dupNum);
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dupNum = 1
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break;
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case curChar >= 'A' && curChar <= 'Z': // dup number 1-26
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if (dupNum > 1) {
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caseType = -1; //error
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error("Error: before A-Z still a dupNumber");
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} else {
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caseType = 2;
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dupNum = curChar.charCodeAt(0) - 'A'.charCodeAt(0) + 1;
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}
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break;
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case curChar >= 'a' && curChar <= 'z': // dup number 27-52
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if (dupNum > 1) {
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caseType = -1; //error
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error("Error: before a-z still a dupNumber");
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} else {
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caseType = 2;
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dupNum = curChar.charCodeAt(0) - 'a'.charCodeAt(0) + 27;
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}
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break;
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default:
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caseType = -1; //error
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error("Error: wrong tileType = '" + curChar + "'");
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break;
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}
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}
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if (caseType < 0) return ''; // Error
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checksum = (checksum & 0x1F) + 1; // 1..32
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if(caseType != 2 || checksum != dupNum) {
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error("Error: wrong checksum !");
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return '';
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} else if (unzipLevel.length != (NO_OF_TILES_X * NO_OF_TILES_Y)) {
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error("Error: wrong tile size (" + unzipLevel.length + ") !");
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return '';
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}
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return unzipLevel;
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}
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// ==============================================================================================
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// Generate custom level backup data
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//
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// (1) HeaderInfo: "LODE RUNNER WEB GAME.2021-06-08 12:09:08 GMT+0800 (台北標準時間).player."
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// (2) zipInfo: [v][l][s][c]
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//
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// [v]: version [0] ==> 1 or 2
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// [l]: levels [1:2] ==> [01-FF]
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// [s]: size [3:8] ==> [000000-FFFFFF]
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// [c]: checksum [9:12] ==> [0000-FFFF]
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// [r]: reserved [13:14] ==> "LR"
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//
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// (3) level map data:
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// ------------------------------
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// v1:
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// +----- startLevelPos
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// V
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// \n tile * NO_OF_TILES_X
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// \n tile * NO_OF_TILES_X
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// ....
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// \n tile * NO_OF_TILES_X
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// \n checksum
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// ------------------------------
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// v2:
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// \n zipLevelData
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// \n zipLevelData
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// .......
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// \n zipLevelData
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// \n
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// ------------------------------
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// ==============================================================================================
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function backupCustomLevelData(date)
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{
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var curTimeInfo = getLocalTimeZone(date);
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var headerInfo = LRWG_FILE_START_INFO + curTimeInfo + "." + playerName + ".";
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var levelSize = ("0" + editLevels.toString(16)).slice(-2);
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var fileSize = encodeURI(headerInfo).replace(/%../g,'.').length + 20; //20 : length of zipInfo
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var zipLevelData = "";
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var zipChecksum = 0;
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/* version 1
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var verInfo = '1';
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for(var i = 0; i < editLevels; i++) {
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var curLevel = editLevelData[i];
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for(var startPos = 0; startPos < curLevel.length; startPos += NO_OF_TILES_X) {
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zipLevelData += '\n' + curLevel.substr(startPos, NO_OF_TILES_X);
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}
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zipLevelData += '\n' + getShareChecksum(curLevel);
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}
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*/
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var verInfo = '2';
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for(var i = 0; i < editLevels; i++) {
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zipLevelData += '\n' + zipLevelMap(editLevelData[i]); // \nzipLevel \nzipLevel.... \nzipLevel
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}
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zipLevelData += '\n'; // \nzipLevel \nzipLevel.... \nzipLevel \n
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for(var i = 0; i < zipLevelData.length; i++) {
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zipChecksum += zipLevelData.charCodeAt(i);
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}
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zipChecksum = ("000" + (zipChecksum & 0xFFFF).toString(16)).slice(-4);
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fileSize = ("00000" + (fileSize + zipLevelData.length).toString(16)).slice(-6);
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var zipInfo = btoa(verInfo + levelSize + fileSize + zipChecksum + "LR");
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return headerInfo + zipInfo + zipLevelData;
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}
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