Add devcontainer

.classpath

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="target/generated-sources/annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

.devcontainer/Dockerfile

@@ -0,0 +1,9 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.166.1/containers/java/.devcontainer/base.Dockerfile
+
+# [Choice] Java version: 11, 15
+ARG VARIANT="11"
+FROM mcr.microsoft.com/vscode/devcontainers/java:0-${VARIANT}
+
+# Install Maven
+ARG MAVEN_VERSION=""
+RUN su vscode -c "umask 0002 && . /usr/local/sdkman/bin/sdkman-init.sh && sdk install maven \"${MAVEN_VERSION}\""

.devcontainer/devcontainer.json

@@ -0,0 +1,19 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.166.1/containers/java
+{
+	"name": "Slipstream-Mod-Manager",
+	"build": {
+		"dockerfile": "Dockerfile",
+	},
+	"settings": {
+		"java.home": "/docker-java-home"
+	},
+	"extensions": [
+		"vscjava.vscode-java-pack",
+		"vscjava.vscode-java-dependency",
+		"redhat.vscode-xml",
+		"davidanson.vscode-markdownlint",
+		"redhat.vscode-yaml"
+	],
+	"remoteUser": "vscode"
+}

.gitignore

@@ -1,22 +1,69 @@
-target/
+# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig
+
+# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,java,maven
+# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,java,maven
 
+### Java ###
+# Compiled class file
 *.class
-*.tmp
-*.bak
-~$*
 
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# 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*
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
 
-# Windows image file caches
-Thumbs.db
+### Maven Patch ###
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
 
-# Windows folder config file
-Desktop.ini
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
 
+# Local History for Visual Studio Code
+.history/
 
-# Mac junk
-.DS_Store
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+.ionide
 
+# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,java,maven
 
-# IdeaJ
-*.idea
-*.iml
+# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)

.project

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ftl-mod-manager</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1635330454157</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>

.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+encoding//src/main/java=UTF-8
+encoding//src/main/resources=UTF-8
+encoding/<project>=UTF-8

.settings/org.eclipse.jdt.apt.core.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.apt.aptEnabled=false

.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
+org.eclipse.jdt.core.compiler.processAnnotations=disabled
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=1.6

.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

README.md

@@ -1,26 +1,74 @@
-Slipstream Mod Manager
-======================
+# Slipstream Mod Manager
 
-Slipstream is a mod manager for the game FasterThanLight ([FTL](https://subsetgames.com/)), making it easy to install multiple mods at the same time and, later, revert to vanilla gameplay.
+Slipstream is a mod manager for the game FasterThanLight
+([FTL](https://subsetgames.com/ftl.html)), making it easy to install multiple
+mods at the same time and, later, revert to vanilla gameplay.
 
-It is the successor to Grognak's Mod Manager ([GMM](https://subsetgames.com/forum/viewtopic.php?p=9994)).
+It is the successor to Grognak's Mod Manager
+([GMM](https://subsetgames.com/forum/viewtopic.php?p=9994)).
 
-<a href="https://raw.github.com/Vhati/Slipstream-Mod-Manager/master/img/screenshot01.png"><img src="https://raw.github.com/Vhati/Slipstream-Mod-Manager/master/img/screenshot01.png" width="145px" height="auto" /></a>
+![Screenshot of the mod manager in use](img/screenshot01.png)
 
-To download compiled binaries, [click here](https://sourceforge.net/projects/slipstreammodmanager/).
+## Requirements
 
-Comments can be made in a forum thread [here](https://subsetgames.com/forum/viewtopic.php?f=12&t=17102).
+-   Java (1.6 or higher).
+    -   <http://www.java.com/en/download/>
+-   FTL (1.01-1.6.3, Windows/OSX/Linux, Steam/GOG/Standalone).
+    -   <https://subsetgames.com/ftl.html>
+-   WinXP SP1 can't run Java 1.7.
+    -   (1.7 was built with VisualStudio 2010, causing a DecodePointer error.)
+    -   To get 1.6, you may have to google "jdk-6u45-windows-i586.exe".
 
-I can accept PayPal donations [here](https://vhati.github.io/donate.html).
-That would be fantastic.
+## Directory structure
 
+-   `assets/`
+    -   Screenshots.
+-   `skel_common/`
+    -   Files to include in distribution archives.
+-   `skel_win/` and `skel_unix/`
+    -   System-specific files to include in distribution archives.
+-   `skel_exe/`
+    -   Materials to create modman.exe (not part of Maven).
+        -   [Get Launch4j](http://launch4j.sourceforge.net/index.html)
+        -   Drag "launch4j_*.xml" onto "launch4jc.exe".
+        -   "modman.exe" will appear alongside the xml.
+        -   Drag modman.exe into "skel_win/".
+        -   Run "mvn clean package".
+    -   The manifest files will be embedded to
+        [prevent VirtualStore redirection](http://www.codeproject.com/Articles/17968/Making-Your-Application-UAC-Aware).
+-   `auto_update.json`
+    -   Info about the latest release, downloaded periodically by clients.
 
-Requirements
-------------
-* Java (1.6 or higher).
-    * http://www.java.com/en/download/
-* FTL (1.01-1.6.3, Windows/OSX/Linux, Steam/GOG/Standalone).
-    * https://subsetgames.com/
-* WinXP SP1 can't run Java 1.7.
-    * (1.7 was built with VisualStudio 2010, causing a DecodePointer error.)
-    * To get 1.6, you may have to google "jdk-6u45-windows-i586.exe".
+## Building
+
+The build process for this project is automated by
+[Maven](http://maven.apache.org/) ([guide](http://docs.codehaus.org/display/MAVENUSER/Getting+Started+with+Maven)).
+
+1.  Open the repository in the provided Visual Studio Code devcontainer.
+2.  Run `mvn package` from the repository root to compile the source and
+    generate a zip file containing the compiled assets for each platform in the
+    `target` directory.
+
+## Dependencies
+
+This project depends on the following libraries.
+
+-   [Apache HttpComponents](https://hc.apache.org/) (For JavaDocs, click
+    HttpCore or HttpClient, then again under "Project reports".)
+-   [Jackson JSON Processor 2.x](http://jackson.codehaus.org/Home) (For
+    JavaDocs, look right.)
+-   [PNGJ](https://code.google.com/p/pngj/) (For JavaDocs, scroll down.)
+-   [JDOM 2.x](http://www.jdom.org/) (For JavaDocs, look left.)
+-   [SLF4J](https://www.slf4j.org/) (For JavaDocs, look left.)
+-   [Logback](https://logback.qos.ch/) (For JavaDocs, look left.)
+-   [picocli 2.x](http://picocli.info/) (For JavaDocs, look left and scroll
+    down to "API Javadoc".)
+
+## Downloads, comments and donations
+
+[Download compiled binaries](https://sourceforge.net/projects/slipstreammodmanager/).
+
+Comments can be made in [this forum thread](https://subsetgames.com/forum/viewtopic.php?f=12&t=17102).
+
+I can accept [PayPal donations](https://vhati.github.io/donate.html). That
+would be fantastic.

pom.xml

@@ -10,7 +10,7 @@
 		<maven>2.2.1</maven>
 	</prerequisites>
 	<properties>
-		<jdk.version>1.6</jdk.version>
+		<jdk.version>11</jdk.version>
 		<maven.compiler.source>1.6</maven.compiler.source>
 		<maven.compiler.target>1.6</maven.compiler.target>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -76,10 +76,11 @@
 		<plugin>
 			<groupId>org.apache.maven.plugins</groupId>
 			<artifactId>maven-compiler-plugin</artifactId>
-			<version>3.1</version>
+			<version>3.8.0</version>
 			<configuration>
 				<compilerArgument>-Xlint:unchecked</compilerArgument>
 				<compilerArgument>-Xlint:deprecation</compilerArgument>
+				<release>6</release>
 			</configuration>
 		</plugin>
 		<plugin>