md5

CFPAOrg · May 14, 2021 · 4e19874 · 4e19874
1 parent 64ed1f8
commit 4e19874
Showing 1 changed file with 107 additions and 9 deletions.
diff --git a/src/main/java/com/github/tartaricacid/i18nupdatemod/I18nUpdateMod.java b/src/main/java/com/github/tartaricacid/i18nupdatemod/I18nUpdateMod.java
@@ -1,31 +1,43 @@
 package com.github.tartaricacid.i18nupdatemod;
 
+import net.minecraft.client.GameSettings;
 import net.minecraft.client.Minecraft;
+import net.minecraft.resources.ResourcePackList;
 import net.minecraftforge.fml.common.Mod;
 import org.apache.commons.io.FileUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
+import java.math.BigInteger;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.concurrent.TimeUnit;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.List;
 
 @Mod(I18nUpdateMod.MOD_ID)
 public class I18nUpdateMod {
     public final static String MOD_ID = "i18nupdatemod";
-    public final static Path CACHE_DIR = Paths.get(System.getProperty("user.home"), MOD_ID, "1.16.5");
+    public final static Path CACHE_DIR = Paths.get(System.getProperty("user.home"), "."+MOD_ID, "1.16.5");
+    public final static Path RESOURCE_FOLDER = Paths.get(Minecraft.getInstance().gameDirectory.getPath(),"resourcepacks");
+    public final static Path LOCAL_LANGUAGE_PACK = RESOURCE_FOLDER.resolve("Minecraft-Mod-Language-Modpack-1-16.zip");
     public final static Path LANGUAGE_PACK = CACHE_DIR.resolve("Minecraft-Mod-Language-Modpack-1-16.zip");
+    public final static Path LANGUAGE_MD5 = CACHE_DIR.resolve("1.16.md5");
     public final static String LINK = "http://downloader1.meitangdehulu.com:22943/Minecraft-Mod-Language-Modpack-1-16.zip";
+    public final static String MD5 = "http://downloader1.meitangdehulu.com:22943/1.16.md5";
     public final static long MAX_INTERVAL_DAYS = 7;
     public static final Logger LOGGER = LogManager.getLogger(MOD_ID);
-
+    public static String MD5String = "";
     public I18nUpdateMod() {
         Minecraft.getInstance().options.languageCode = "zh_cn";
 
-        // 检查资源包目录是否存在
+        // 检查主资源包目录是否存在
         if (!Files.isDirectory(CACHE_DIR)) {
             try {
                 Files.createDirectories(CACHE_DIR);
@@ -35,27 +47,113 @@ public I18nUpdateMod() {
             }
         }
 
+        //检查游戏下资源包目录
+        if (!Files.isDirectory(RESOURCE_FOLDER)) {
+            try {
+                Files.createDirectories(RESOURCE_FOLDER);
+            } catch (IOException e) {
+                e.printStackTrace();
+                return;
+            }
+        }
+
+        //尝试加载MD5文件
+        if (Files.exists(LANGUAGE_MD5)){
+            StringBuilder stringBuffer = new StringBuilder();
+            try {
+                List<String> lines = Files.readAllLines(LANGUAGE_MD5);
+                for (String line : lines) {
+                    stringBuffer.append(line);
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            MD5String = stringBuffer.toString();
+        }else {
+            try {
+                FileUtils.copyURLToFile(new URL(MD5),LANGUAGE_MD5.toFile());
+                StringBuilder stringBuffer = new StringBuilder();
+                try {
+                    List<String> lines = Files.readAllLines(LANGUAGE_MD5);
+                    for (String line : lines) {
+                        stringBuffer.append(line);
+                    }
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                MD5String = stringBuffer.toString();
+            }catch (IOException e){
+                e.printStackTrace();
+                return;
+            }
+        }
+
         if (Files.exists(LANGUAGE_PACK)) {
             try {
-                long fileTime = Files.getLastModifiedTime(LANGUAGE_PACK).toMillis();
-                long nowTime = System.currentTimeMillis();
-                if (TimeUnit.MILLISECONDS.toDays(nowTime - fileTime) < MAX_INTERVAL_DAYS) {
-                    Minecraft.getInstance().getResourcePackRepository().addPackFinder(new LanguagePackFinder());
+                String md5 = getMD5(LANGUAGE_PACK.toString());
+                if (!md5.equals(MD5String)) {
+                    FileUtils.copyURLToFile(new URL(LINK), LANGUAGE_PACK.toFile());
+                    Files.copy(LANGUAGE_PACK,LOCAL_LANGUAGE_PACK);
                 }
+                setResourcesRepository();
             } catch (IOException e) {
                 e.printStackTrace();
             }
         } else {
             try {
                 FileUtils.copyURLToFile(new URL(LINK), LANGUAGE_PACK.toFile());
+                Files.copy(LANGUAGE_PACK,LOCAL_LANGUAGE_PACK);
             } catch (IOException e) {
                 e.printStackTrace();
             }
             try {
-                Minecraft.getInstance().getResourcePackRepository().addPackFinder(new LanguagePackFinder());
+                setResourcesRepository();
+                //Minecraft.getInstance().getResourcePackRepository().addPackFinder(new LanguagePackFinder());
             }catch (Exception e){
                 e.printStackTrace();
             }
         }
     }
+
+    public static String getMD5(String path) {
+        BigInteger bi = null;
+        try {
+            byte[] buffer = new byte[8192];
+            int len;
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            File f = new File(path);
+            FileInputStream fis = new FileInputStream(f);
+            while ((len = fis.read(buffer)) != -1) {
+                md.update(buffer, 0, len);
+            }
+            fis.close();
+            byte[] b = md.digest();
+            bi = new BigInteger(1, b);
+        } catch (NoSuchAlgorithmException | IOException e) {
+            e.printStackTrace();
+        }
+        return bi.toString(16);
+    }
+
+    public static void setResourcesRepository() {
+        Minecraft mc = Minecraft.getInstance();
+        GameSettings gameSettings = mc.options;
+        // 在gameSetting中加载资源包
+        if (!gameSettings.resourcePacks.contains("Minecraft-Mod-Language-Modpack-1-16.zip")) {
+                mc.options.resourcePacks.add("Minecraft-Mod-Language-Modpack-1-16.zip");
+            } else {
+                List<String> packs = new ArrayList<>(10);
+                packs.add("Minecraft-Mod-Language-Modpack-1-16.zip"); // 资源包的 index 越小优先级越低(在资源包 gui 中置于更低层)
+                packs.addAll(gameSettings.resourcePacks);
+                gameSettings.resourcePacks = packs;
+            }
+        reloadResources();
+        }
+
+    public static void reloadResources() {
+        Minecraft mc = Minecraft.getInstance();
+        // 因为这时候资源包已经加载了，所以需要重新读取，重新加载
+        ResourcePackList resourcePackRepository = mc.getResourcePackRepository();
+        resourcePackRepository.reload();
+    }
 }