Initial release

.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

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+The MIT License (MIT)
+
+Copyright (c) 2024 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# Server Transfer Commands
+
+This mod adds commands to transfer yourself or another player to a different server using the new transfer packet added in 24w03a. The commands and config are loosely based on BungeeCord, so they should be familar if you've used it or a similar proxy before.
+
+This mod does not expose an API for transferring players or setting/getting cookies; it just sends the packet. This is something that may be added in the near future, though.
+
+## Commands
+
+Currently, the following commands are implemented:
+
+- `/server <server>`: Go to a configured server that isn't restricted or you have permission to access.
+- `/send <players> <server>`: Sends one or more players to a configured server. Restrictions are not considered.
+- `/send-ip <players> <hostname> [<port>]`: Sends one or more players to the specified hostname and port. If no port is specified, it defaults to 25565.
+
+Commands that would query the servers like `/glist` and `/find` have not been added yet but are in progress.
+
+## Permissions
+
+Permissions can be set with groups in the config file or with any mod that supports the [Fabric Permissions API](https://github.com/lucko/fabric-permissions-api). If you would like to disable a command entirely, you can add it to the `disabled_commands` list in the config.
+
+- `server-transfer-commands.command.server`
+- `server-transfer-commands.command.send`
+- `server-transfer-commands.command.send-ip`
+- `server-transfer-commands.server.<server>`: Permission to use `/server` to go to a server that has `restricted` enabled. `/send` and `/send-ip` do not consider this.
+
+## Config
+
+The commented default config is as follows:
+
+```yaml
+# The list of servers that can be accessed with /server or /send.
+# If "restricted" is true, the "server-transfer-commands.server.<server>" permission is required to access it with /server.
+servers:
+  lobby:
+    address: localhost:25565
+    restricted: false
+  survival:
+    address: localhost:25564
+    restricted: false
+
+# A server that should show "You are already connected to this server!" when you attempt to transfer to it.
+this_server: lobby
+
+# Commands that should not be registered.
+disabled_commands:
+  - disabledcommandhere
+
+# Permission groups for assigning to players or permission levels.
+permissions:
+  default:
+    - server-transfer-commands.command.server
+  admin:
+    - server-transfer-commands.command.send
+    - server-transfer-commands.command.send-ip
+
+# Permission groups assigned to specific players.
+groups:
+  4win:
+    - admin
+
+# Permission groups assigned to Minecraft permission levels, normally from 1 to 4.
+# Level 3 is what allows use of multiplayer management commands such as /kick.
+level_groups:
+  3:
+    - admin
+```

build.gradle

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+plugins {
+    id 'fabric-loom' version '1.5-SNAPSHOT'
+    id("io.freefair.lombok") version "8.4"
+}
+
+version = project.mod_version
+group = 'us.mcnex'
+
+repositories {
+    maven { url 'https://oss.sonatype.org/content/repositories/snapshots' }
+}
+
+dependencies {
+    // To change the versions see the gradle.properties file
+    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    mappings loom.officialMojangMappings()
+    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+    modImplementation(fabricApi.module("fabric-api-base", project.fabric_version))
+    modImplementation(fabricApi.module("fabric-command-api-v2", project.fabric_version))
+
+    include modImplementation("me.lucko:fabric-permissions-api:${project.permissions_api_version}")
+    include implementation("org.yaml:snakeyaml:${project.snakeyaml_version}")
+}
+
+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 = 17
+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)
+    }
+    archivesBaseName = project.archives_base_name
+    // 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}"}
+    }
+}

gradle.properties

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+# Done to increase the memory available to gradle.
+org.gradle.jvmargs=-Xmx1G
+
+# Mod Properties
+	mod_version = 0.1.0
+	archives_base_name = server-transfer-commands
+
+# Fabric Properties
+	minecraft_version=24w03b
+	loader_version=0.15.6
+
+# Dependencies
+	fabric_version=0.95.1+1.20.5
+	permissions_api_version=0.2-SNAPSHOT
+	snakeyaml_version=2.2

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists