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using System;
//Json.NET library (http://json.codeplex.com/)
using Newtonsoft.Json;
using System.Collections.Generic;
using System.Net;
using System.IO;
// MT skins updater for the u_skins mod
// Creator: Krock
// License: zlib (http://www.zlib.net/zlib_license.html)
namespace MT_skins_updater {
class Program {
static void Main(string[] args) {
Console.WriteLine("Welcome to the MT skins updater!");
Console.WriteLine("# Created by: Krock (2014-07-10)");
Engine e = new Engine();
Console.WriteLine(@"Path to the u_skins mod: (ex. 'E:\Minetest\mods\u_skinsdb\u_skins\')");
string path = Console.ReadLine();
Console.WriteLine("Start updating at page: ('0' to update everything)");
int page = getInt(Console.ReadLine());
e.Start(path, page);
Console.WriteLine("Press any key to exit.");
Console.ReadKey(false);
}
public static int getInt(string i) {
int ret = 0;
int.TryParse(i, out ret);
return (ret > 0)? ret : 0;
}
}
class Engine {
string root = "http://minetest.fensta.bplaced.net";
bool alternate = true; //should it use the special version of medadata saving?
public void Start(string path, int page) {
if (path.Length < 5) {
Console.WriteLine("Too short path. STOP.");
return;
}
if (path[path.Length - 1] != '\\') {
path += '\\';
}
if(!Directory.Exists(path + "meta")){
Console.WriteLine("Folder 'meta' not found. STOP.");
return;
}
if(!Directory.Exists(path + "textures")){
Console.WriteLine("Folder 'textures' not found. STOP.");
return;
}
WebClient cli = new WebClient();
//add useragent to identify
cli.Headers.Add("User-Agent", "MT_skin_grabber 1.1");
bool firstSkin = true;
List<string> skin_local = new List<string>();
int pages = page,
updated = 0;
for (; page <= pages; page++) {
string contents = "";
try {
contents = cli.DownloadString(root + "/api/get.json.php?getlist&page=" + page);
} catch(WebException e) {
Console.WriteLine("Whoops! Error at page ID: " + page + ". WebClient sais: " + e.Message);
Console.WriteLine("Press any key to skip this page.");
Console.ReadKey(false);
continue;
}
Data o = JsonConvert.DeserializeObject<Data>(contents);
if (o.pages != pages) {
pages = o.pages;
}
Console.WriteLine("# Page " + page + " (" + o.per_page + " skins)");
for (int i = 0; i < o.skins.Length; i++) {
int id = o.skins[i].id;
if(o.skins[i].type != "image/png"){
Console.WriteLine("Image type '" + o.skins[i].type + "' not supported at skin ID: " + id);
Console.WriteLine("Press any key to continue.");
Console.ReadKey(false);
continue;
}
//eliminate special chars!
o.skins[i].name = WebUtility.HtmlDecode(o.skins[i].name);
o.skins[i].author = WebUtility.HtmlDecode(o.skins[i].author);
//to delete old, removed skins
if (firstSkin) {
firstSkin = false;
string[] files = Directory.GetFiles(path + "textures\\");
for (int f = 0; f < files.Length; f++) {
string[] filePath = stringSplitLast(files[f], '\\'),
fileName = stringSplitLast(filePath[1], '.'),
fileVer = stringSplitLast(fileName[0], '_');
if (fileVer[1] == "" || fileVer[0] != "character") continue;
int skinNr = Program.getInt(fileVer[1]);
if (skinNr <= id) continue;
skin_local.Add(fileName[0]);
}
} else skin_local.Remove("character_" + id);
//get file size, only override changed
FileInfo localImg = new FileInfo(path + "textures\\character_" + id + ".png");
byte[] imageData = Convert.FromBase64String(o.skins[i].img);
bool isDif = true;
if (localImg.Exists) isDif = (Math.Abs(imageData.Length - localImg.Length) >= 3);
if (isDif) {
File.WriteAllBytes(localImg.FullName, imageData);
imageData = null;
//previews
try {
cli.DownloadFile(root + "/skins/1/" + id + ".png", path + "textures\\character_" + id + "_preview.png");
} catch (WebException e) {
Console.WriteLine("Whoops! Error at skin ID: " + id + ". WebClient sais: " + e.Message);
Console.WriteLine("Press any key to continue.");
Console.ReadKey(false);
}
} else {
Console.WriteLine("[SKIP] character_" + id);
continue;
}
string meta = "";
if (!alternate) {
meta = "name = \"" + o.skins[i].name + "\",\n";
meta += "author = \"" + o.skins[i].author + "\",\n";
meta += "comment = \"" + o.skins[i].license + '"';
} else {
meta = o.skins[i].name + '\n' + o.skins[i].author + '\n' + o.skins[i].license;
}
File.WriteAllText(path + "meta\\character_" + id + ".txt", meta);
updated++;
Console.WriteLine("[" + id + "] " + shorten(o.skins[i].name, 20) + "\t by: " + o.skins[i].author + "\t (" + o.skins[i].license + ")");
}
}
foreach (string fileName in skin_local) {
if(File.Exists(path + "textures\\" + fileName + ".png")) {
File.Delete(path + "textures\\" + fileName + ".png");
}
if(File.Exists(path + "textures\\" + fileName + "_preview.png")) {
File.Delete(path + "textures\\" + fileName + "_preview.png");
}
if(File.Exists(path + "meta\\" + fileName + ".txt")) {
File.Delete(path + "meta\\" + fileName + ".txt");
}
Console.WriteLine("[DEL] " + fileName + " (deleted skin)");
}
Console.WriteLine("Done. Updated " + updated + " skins!");
}
string shorten(string inp, int len) {
char[] shr = new char[len];
for (int i = 0; i < len; i++) {
if (i < inp.Length) {
shr[i] = inp[i];
} else shr[i] = ' ';
}
return new string(shr);
}
string[] stringSplitLast(string path, char limiter) {
int found = 0;
int totalLen = path.Length - 1;
for (int i = totalLen; i >= 0; i--) {
if (path[i] == limiter) {
found = i;
break;
}
}
if (found == 0) {
return new string[] { "", "" };
}
int len = totalLen - found;
char[] str_1 = new char[found],
str_2 = new char[len];
for (int i = 0; i < path.Length; i++) {
if (i == found) continue;
if (i < found) {
str_1[i] = path[i];
} else {
str_2[i - found - 1] = path[i];
}
}
return new string[] { new string(str_1), new string(str_2) };
}
}
class Data {
public Skins_data[] skins;
public int page, pages, per_page;
}
class Skins_data {
public string name, author, uploaded, type, license, img;
public int id, license_id;
}
}
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