Move Box2D to an extension

build.xml

@@ -143,6 +143,34 @@
 		</ant>
 	</target>
 
+	<!-- gdx box2d -->
+	<target name="gdx-box2d" depends="gdx-core">
+		<path id="classpath">
+			<pathelement location="${distDir}/gdx.jar"/>
+			<pathelement location="${distDir}/extensions/gdx-jnigen/gdx-jnigen.jar"/>
+		</path>
+		<ant antfile="../../../build-template.xml" dir="extensions/gdx-box2d/gdx-box2d">
+			<property name="distDir" value="${distDir}/extensions/gdx-box2d/"/>
+			<property name="jar" value="gdx-box2d"/>
+			<reference refid="classpath"/>
+		</ant>
+	</target>
+
+	<target name="gdx-box2d-gwt" depends="gdx-core,gdx-backend-gwt,gdx-box2d">
+		<path id="classpath">
+			<pathelement location="${distDir}/gdx.jar"/>
+			<pathelement location="${distDir}/gdx-backend-gwt.jar"/>
+			<pathelement location="${distDir}/extensions/gdx-box2d/gdx-box2d.jar"/>
+			<pathelement location="${basedir}/backends/gdx-backends-gwt/libs/gwt-dev.jar"/>
+			<pathelement location="${basedir}/backends/gdx-backends-gwt/libs/gwt-user.jar"/>
+		</path>
+		<ant antfile="../../../build-template.xml" dir="extensions/gdx-box2d/gdx-box2d-gwt">
+			<property name="distDir" value="${distDir}/extensions/gdx-box2d"/>
+			<property name="jar" value="gdx-box2d-gwt"/>
+			<reference refid="classpath"/>
+		</ant>
+	</target>
+
 	<!-- gdx controllers -->
 	<target name="gdx-controllers" depends="gdx-core">
 		<path id="classpath">
@@ -275,7 +303,7 @@
 	</target>
 
 	<target name="jars"
-depends="clean,gdx-setup,gdx-core,gdx-backend-lwjgl,gdx-backend-jglfw,gdx-backend-headless,gdx-backend-android,gdx-backend-gwt,gdx-backend-robovm,gdx-tools,gdx-controllers,gdx-controllers-desktop,gdx-controllers-android,gdx-controllers-gwt,gdx-freetype,gdx-bullet"/>
+depends="clean,gdx-setup,gdx-core,gdx-backend-lwjgl,gdx-backend-jglfw,gdx-backend-headless,gdx-backend-android,gdx-backend-gwt,gdx-backend-robovm,gdx-tools,gdx-box2d,gdx-box2d-gwt,gdx-controllers,gdx-controllers-desktop,gdx-controllers-android,gdx-controllers-gwt,gdx-freetype,gdx-bullet"/>
 
 	<target name="all" depends="jars,docs">
 		<!-- copy distribution files (licences etc.) -->

extensions/gdx-box2d/gdx-box2d-gwt/.classpath

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry excluding="com/badlogic/gdx/physics/box2d/gwt/emu/" kind="src" path="src"/>
+	<classpathentry kind="src" path="src/com/badlogic/gdx/physics/box2d/gwt/emu"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/gdx"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/gdx-box2d"/>
+	<classpathentry kind="con" path="com.google.gwt.eclipse.core.GWT_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

extensions/gdx-box2d/gdx-box2d-gwt/.project

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>gdx-box2d-gwt</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.google.gdt.eclipse.core.webAppProjectValidator</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.google.gwt.eclipse.core.gwtProjectValidator</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>com.google.gwt.eclipse.core.gwtNature</nature>
+	</natures>
+</projectDescription>

extensions/gdx-box2d/gdx-box2d-gwt/.settings/org.eclipse.jdt.ui.prefs

@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+formatter_profile=_libgdx
+formatter_settings_version=12

extensions/gdx-box2d/gdx-box2d-gwt/pom.xml

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>com.badlogicgames.gdx</groupId>
+		<artifactId>gdx-box2d-parent</artifactId>
+		<version>1.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
+	<artifactId>gdx-box2d-gwt</artifactId>
+	<packaging>jar</packaging>
+	<name>libGDX Box2D GWT</name>
+
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>gdx</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>gdx-box2d</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-user</artifactId>
+			<version>${gwt.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>com.google.gwt</groupId>
+			<artifactId>gwt-dev</artifactId>
+			<version>${gwt.version}</version>
+			<scope>provided</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<sourceDirectory>src</sourceDirectory>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>attach-sources</id>
+						<phase>generate-resources</phase>
+						<goals>
+							<goal>jar-no-fork</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>

extensions/gdx-box2d/gdx-box2d-gwt/src/com/badlogic/gdx/physics/box2d/box2d-gwt.gwt.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit trunk//EN" "http://google-web-toolkit.googlecode.com/svn/trunk/distro-source/core/src/gwt-module.dtd">
+<module>
+	<inherits name='com.badlogic.gdx.physics.box2d'/>
+	<source path="gwt"/>
+	<super-source path="gwt/emu" />
+</module>