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.gitignore

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+# User-specific stuff
+.idea/
+
+*.iml
+*.ipr
+*.iws
+
+# IntelliJ
+out/
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Cache of project
+.gradletasknamecache
+
+**/build/
+
+# Common working directory
+run/
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar

LICENSE.txt

@@ -0,0 +1,2 @@
+Copyright (c) 2024 
+All rights reserved.

build.gradle

@@ -0,0 +1,106 @@
+plugins {
+    id 'fabric-loom' version '1.7-SNAPSHOT'
+    id 'maven-publish'
+}
+
+version = project.mod_version
+group = project.maven_group
+
+base {
+    archivesName = project.archives_base_name
+}
+
+loom {
+    splitEnvironmentSourceSets()
+
+    mods {
+        "hnyrespack" {
+            sourceSet sourceSets.main
+            sourceSet sourceSets.client
+        }
+    }
+}
+
+repositories {
+    // Add repositories to retrieve artifacts from in here.
+    // You should only use this when depending on other mods because
+    // Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
+    // See https://docs.gradle.org/current/userguide/declaring_repositories.html
+    // for more information about repositories.
+    maven { url "https://maven.shedaniel.me/" }
+    maven { url "https://maven.terraformersmc.com/releases/" }
+}
+
+dependencies {
+    // To change the versions see the gradle.properties file
+    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
+    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+    // Fabric API. This is technically optional, but you probably want it anyway.
+    modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+
+    modApi("me.shedaniel.cloth:cloth-config-fabric:15.0.130") {
+        exclude(group: "net.fabricmc.fabric-api")
+    }
+}
+
+processResources {
+    inputs.property "version", project.version
+    inputs.property "minecraft_version", project.minecraft_version
+    inputs.property "loader_version", project.loader_version
+    filteringCharset "UTF-8"
+
+    filesMatching("fabric.mod.json") {
+        expand "version": project.version,
+                "minecraft_version": project.minecraft_version,
+                "loader_version": project.loader_version
+    }
+}
+
+def targetJavaVersion = 21
+tasks.withType(JavaCompile).configureEach {
+    // ensure that the encoding is set to UTF-8, no matter what the system default is
+    // this fixes some edge cases with special characters not displaying correctly
+    // see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
+    // If Javadoc is generated, this must be specified in that task too.
+    it.options.encoding = "UTF-8"
+    if (targetJavaVersion >= 10 || JavaVersion.current().isJava10Compatible()) {
+        it.options.release.set(targetJavaVersion)
+    }
+}
+
+java {
+    def javaVersion = JavaVersion.toVersion(targetJavaVersion)
+    if (JavaVersion.current() < javaVersion) {
+        toolchain.languageVersion = JavaLanguageVersion.of(targetJavaVersion)
+    }
+    // Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
+    // if it is present.
+    // If you remove this line, sources will not be generated.
+    withSourcesJar()
+}
+
+jar {
+    from("LICENSE") {
+        rename { "${it}_${project.archivesBaseName}" }
+    }
+}
+
+// configure the maven publication
+publishing {
+    publications {
+        create("mavenJava", MavenPublication) {
+            artifactId = project.archives_base_name
+            from components.java
+        }
+    }
+
+    // See https://docs.gradle.org/current/userguide/publishing_maven.html for information on how to set up publishing.
+    repositories {
+        // Add repositories to publish to here.
+        // Notice: This block does NOT have the same function as the block in the top level.
+        // The repositories here will be used for publishing your artifact, not for
+        // retrieving dependencies.
+    }
+}

gradle.properties

@@ -0,0 +1,14 @@
+# Done to increase the memory available to gradle.
+org.gradle.jvmargs=-Xmx1G
+# Fabric Properties
+# check these on https://modmuss50.me/fabric.html
+minecraft_version=1.21.1
+yarn_mappings=1.21.1+build.3
+loader_version=0.16.2
+# Mod Properties
+mod_version=1.0-SNAPSHOT
+maven_group=org.mmga
+archives_base_name=HnyResPack
+# Dependencies
+# check this on https://modmuss50.me/fabric.html
+fabric_version=0.102.1+1.21.1

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,249 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,92 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1,9 @@
+pluginManagement {
+    repositories {
+        maven {
+            name = 'Fabric'
+            url = 'https://maven.fabricmc.net/'
+        }
+        gradlePluginPortal()
+    }
+}

src/client/resources/hnyrespack.client.mixins.json

@@ -0,0 +1,11 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "org.mmga.hnyrespack.mixin.client",
+  "compatibilityLevel": "JAVA_21",
+  "client": [
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}

src/main/java/org/mmga/hnyrespack/HnyResPack.java

@@ -0,0 +1,18 @@
+package org.mmga.hnyrespack;
+
+import net.fabricmc.api.ModInitializer;
+import org.mmga.hnyrespack.commands.ResPackCommand;
+import org.mmga.hnyrespack.manager.PackManager;
+
+import java.io.File;
+
+public class HnyResPack implements ModInitializer {
+
+    public static final File packs = new File("packs");
+
+    @Override
+    public void onInitialize() {
+        PackManager.deleteAllPacks();
+        ResPackCommand.register();
+    }
+}

src/main/java/org/mmga/hnyrespack/commands/ResPackCommand.java

@@ -0,0 +1,78 @@
+package org.mmga.hnyrespack.commands;
+
+import com.mojang.brigadier.arguments.StringArgumentType;
+import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
+import net.minecraft.network.packet.s2c.common.ResourcePackSendS2CPacket;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import org.mmga.hnyrespack.entities.ResPack;
+import org.mmga.hnyrespack.manager.PackManager;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Optional;
+import java.util.UUID;
+
+import static net.minecraft.server.command.CommandManager.*;
+import static org.mmga.hnyrespack.utils.Tools.onThreadException;
+import static org.mmga.hnyrespack.utils.Tools.sendMessage;
+
+public class ResPackCommand {
+
+    public static void register() {
+        CommandRegistrationCallback.EVENT.register(((dispatcher, registryAccess, environment) -> dispatcher.register(literal("resPack")
+                        .requires(ServerCommandSource::isExecutedByPlayer)
+                        .then(literal("download")
+                                .requires(serverCommandSource -> serverCommandSource.hasPermissionLevel(2))
+                                .then(argument("fileName", StringArgumentType.string())
+                                        .executes(context -> {
+                                            final String fileName = StringArgumentType.getString(context, "fileName");
+                                            ServerPlayerEntity player = context.getSource().getPlayer();
+                                            try {
+                                                PackManager.packDownloader(fileName);
+                                            } catch (URISyntaxException | IOException | NoSuchAlgorithmException e) {
+                                                onThreadException(e, player);
+                                                return 1;
+                                            }
+                                            sendMessage(player, "资源包" + fileName + "已下载完成", Formatting.GREEN);
+                                            return 1;
+                                        })))
+                        .then(literal("remove")
+                                .requires(serverCommandSource -> serverCommandSource.hasPermissionLevel(2))
+                                .executes(context -> {
+                                    ServerPlayerEntity player = context.getSource().getPlayer();
+                                    PackManager.deleteAllPacks(player);
+                                    sendMessage(player, "已删除全部资源包文件", Formatting.GREEN);
+                                    return 1;
+                                })
+                                .then(argument("packName", StringArgumentType.string())
+                                        .executes(context -> {
+                                            ServerPlayerEntity player = context.getSource().getPlayer();
+                                            final String packName = StringArgumentType.getString(context, "packName");
+                                            PackManager.packDeleter(player, packName);
+                                            sendMessage(player, "已删除资源包文件" + packName, Formatting.GREEN);
+                                            return 1;
+                                        })))
+                        .then(literal("setPack")
+                                .then(argument("packName", StringArgumentType.string())
+                                        .executes(context -> {
+                                            final String packName = StringArgumentType.getString(context, "packName");
+                                            ServerPlayerEntity player = context.getSource().getPlayer();
+                                            ResPack pack = PackManager.PACKS_HASH_MAP.get(packName);
+                                            player.networkHandler.sendPacket(
+                                                    new ResourcePackSendS2CPacket(
+                                                            UUID.randomUUID(), pack.url(), pack.hash(), false, Optional.of(Text.of("建议安装此资源包以获得更好的游戏体验"))
+                                                    )
+                                            );
+                                            return 1;
+                                        }))
+                        )
+                )
+                )
+        )
+        ;
+    }
+}

src/main/java/org/mmga/hnyrespack/entities/ResPack.java

@@ -0,0 +1,3 @@
+package org.mmga.hnyrespack.entities;
+
+public record ResPack(String url, String hash) {}

src/main/java/org/mmga/hnyrespack/manager/PackManager.java

@@ -0,0 +1,145 @@
+package org.mmga.hnyrespack.manager;
+
+import net.minecraft.server.network.ServerPlayerEntity;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.mmga.hnyrespack.entities.ResPack;
+
+import java.io.*;
+import java.net.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.stream.Stream;
+
+import static org.mmga.hnyrespack.HnyResPack.packs;
+import static org.mmga.hnyrespack.utils.Tools.onThreadException;
+
+public class PackManager {
+
+    private static final String BASE_URL = "https://wzpmc.cn:83/";
+    private static final Path path = packs.toPath();
+
+    public static final HashMap<String, ResPack> PACKS_HASH_MAP = new HashMap<>();
+    private static final Logger log = LogManager.getLogger(PackManager.class);
+
+    /**
+     * 下载资源包
+     * @param name 资源包文件名。注意：需包括后缀名
+     */
+    public static void packDownloader(String name) throws URISyntaxException, IOException, NoSuchAlgorithmException {
+        packsDir();
+        String s = BASE_URL + name;
+        URI uri = new URI(s);
+        URL url = uri.toURL();
+        URLConnection urlConnection = url.openConnection();
+        InputStream inputStream = urlConnection.getInputStream();
+        try (FileOutputStream fileOutputStream = new FileOutputStream(path.resolve(name).toFile())) {
+            byte[] buffer = new byte[1024];
+            int read;
+            while ((read = inputStream.read(buffer)) != -1) {
+                fileOutputStream.write(buffer, 0, read);
+            }
+        }
+        File downloadedFile = path.resolve(name).toFile();
+        String sha1 = getFileSHA1(downloadedFile);
+        PACKS_HASH_MAP.put(name, new ResPack(s, sha1));
+    }
+
+    public static void deleteAllPacks(ServerPlayerEntity player){
+        Path path = packs.toPath();
+        try {
+            try(Stream<Path> walk = Files.walk(path)){
+                walk.filter(Files::isRegularFile)
+                        .forEach(filePath -> {
+                            try {
+                                Files.delete(filePath);
+                                PACKS_HASH_MAP.clear();
+                            } catch (IOException e) {
+                                onThreadException(e, player);
+                            }
+                        });
+            }
+        } catch (IOException e) {
+            onThreadException(e, player);
+        }
+    }
+
+    public static void deleteAllPacks(){
+        Path path = packs.toPath();
+        try {
+            try(Stream<Path> walk = Files.walk(path)){
+                walk.filter(Files::isRegularFile)
+                        .forEach(filePath -> {
+                            try {
+                                Files.delete(filePath);
+                                PACKS_HASH_MAP.clear();
+                            } catch (IOException e) {
+                                log.catching(e);
+                            }
+                        });
+            }
+        } catch (IOException e) {
+            log.catching(e);
+        }
+    }
+
+    public static void packDeleter(ServerPlayerEntity player, String name){
+        Path path = packs.toPath();
+        try {
+            try(Stream<Path> walk = Files.walk(path)){
+                walk.filter(Files::isRegularFile)
+                        .forEach(filePath -> {
+                            if (filePath.getFileName().toString().equals(name)) {
+                                try {
+                                    Files.delete(filePath);
+                                    PACKS_HASH_MAP.remove(name);
+                                } catch (IOException e) {
+                                    onThreadException(e, player);
+                                }
+                            }
+                        });
+            }
+        } catch (IOException e) {
+            onThreadException(e, player);
+        }
+    }
+
+    private static void packsDir() {
+        if (!packs.exists()) {
+            //noinspection ResultOfMethodCallIgnored
+            packs.mkdirs();
+        }
+    }
+
+    private static String getFileSHA1(File file) throws IOException, NoSuchAlgorithmException {
+        // 使用try-with-resources自动关闭资源
+        try (FileInputStream fis = new FileInputStream(file)) {
+            // 创建MessageDigest实例，指定SHA-1算法
+            MessageDigest digest = MessageDigest.getInstance("SHA-1");
+
+            // 创建字节缓冲区
+            byte[] byteArray = new byte[1024];
+            int bytesCount;
+
+            // 读取文件并更新哈希计算
+            while ((bytesCount = fis.read(byteArray)) != -1) {
+                digest.update(byteArray, 0, bytesCount);
+            }
+
+            // 完成哈希计算并获取字节数组结果
+            byte[] bytes = digest.digest();
+
+            // 将字节数组转换为十六进制字符串
+            StringBuilder sb = new StringBuilder();
+            for (byte b : bytes) {
+                sb.append(String.format("%02x", b));
+            }
+
+            // 返回SHA-1哈希字符串
+            return sb.toString();
+        }
+    }
+}

src/main/java/org/mmga/hnyrespack/utils/Tools.java

@@ -0,0 +1,34 @@
+package org.mmga.hnyrespack.utils;
+
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.MutableText;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class Tools {
+    private static final Logger log = LogManager.getLogger(Tools.class);
+
+    /**
+     * 相同的异常处理逻辑
+     * @param e 触发的异常
+     * @param player 命令执行者（即应该收到命令执行失败消息的玩家）
+     * */
+    public static void onThreadException(Exception e, ServerPlayerEntity player){
+        log.catching(e);
+        sendMessage(player, "在执行此命令时遇到问题。", Formatting.RED);
+    }
+
+    /**
+     * 向玩家发送消息
+     * @param player 收到消息的玩家
+     * @param message 消息文本
+     * @param color 消息颜色
+     */
+    public static void sendMessage(ServerPlayerEntity player, String message, Formatting color){
+        MutableText text = Text.literal(message)
+                .formatted(color);
+        player.sendMessage(text);
+    }
+}

src/main/resources/fabric.mod.json

@@ -0,0 +1,29 @@
+{
+  "schemaVersion": 1,
+  "id": "hnyrespack",
+  "version": "${version}",
+  "name": "HnyResPack",
+  "description": "",
+  "authors": [],
+  "contact": {},
+  "license": "All-Rights-Reserved",
+  "icon": "assets/hnyrespack/icon.png",
+  "environment": "server",
+  "entrypoints": {
+    "main": [
+      "org.mmga.hnyrespack.HnyResPack"
+    ]
+  },
+  "mixins": [
+    "hnyrespack.mixins.json",
+    {
+      "config": "hnyrespack.client.mixins.json",
+      "environment": "client"
+    }
+  ],
+  "depends": {
+    "fabricloader": ">=${loader_version}",
+    "fabric": "*",
+    "minecraft": "${minecraft_version}"
+  }
+}

src/main/resources/hnyrespack.mixins.json

@@ -0,0 +1,11 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "org.mmga.hnyrespack.mixin",
+  "compatibilityLevel": "JAVA_21",
+  "mixins": [
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}