-Add rope joint support

refs #9

src/com/blastedstudios/gdxworld/plugin/mode/joint/window/rope/RopePlugin.java

@@ -0,0 +1,25 @@
+package com.blastedstudios.gdxworld.plugin.mode.joint.window.rope;
+
+import net.xeoh.plugins.base.annotations.PluginImplementation;
+
+import com.badlogic.gdx.physics.box2d.JointDef.JointType;
+import com.badlogic.gdx.scenes.scene2d.ui.Skin;
+import com.blastedstudios.gdxworld.plugin.mode.joint.BaseJointWindow;
+import com.blastedstudios.gdxworld.plugin.mode.joint.IJointWindow;
+import com.blastedstudios.gdxworld.plugin.mode.joint.JointMode;
+import com.blastedstudios.gdxworld.world.joint.RopeJoint;
+
+@PluginImplementation
+public class RopePlugin implements IJointWindow<RopeJoint>{
+	@Override public JointType getJointType() {
+		return JointType.RopeJoint;
+	}
+
+	@Override public RopeJoint createJoint(RopeJoint joint) {
+		return joint == null ? new RopeJoint() : joint;
+	}
+
+	@Override public BaseJointWindow createJointWindow(Skin skin, JointMode mode, RopeJoint joint) {
+		return new RopeWindow(skin, mode, joint);
+	}
+}

src/com/blastedstudios/gdxworld/plugin/mode/joint/window/rope/RopeWindow.java

@@ -0,0 +1,41 @@
+package com.blastedstudios.gdxworld.plugin.mode.joint.window.rope;
+
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.JointDef.JointType;
+import com.badlogic.gdx.scenes.scene2d.ui.Label;
+import com.badlogic.gdx.scenes.scene2d.ui.Skin;
+import com.blastedstudios.gdxworld.plugin.mode.joint.BaseJointWindow;
+import com.blastedstudios.gdxworld.plugin.mode.joint.JointMode;
+import com.blastedstudios.gdxworld.ui.leveleditor.VertexTable;
+import com.blastedstudios.gdxworld.world.joint.RopeJoint;
+
+class RopeWindow extends BaseJointWindow {
+	private final VertexTable centerTable;
+	private final RopeJoint joint;
+
+	public RopeWindow(Skin skin, JointMode mode, RopeJoint joint) {
+		super("Rope Editor", skin, JointType.RopeJoint, mode, joint);
+		this.joint = joint;
+		centerTable = new VertexTable(joint.getCenter(), skin);
+		add(new Label("Anchor: ", skin));
+		add(centerTable);
+		row();
+		add(createControlTable()).colspan(2);
+		pack();
+	}
+
+	@Override public void apply(){
+		super.apply();
+		joint.setCenter(centerTable.getVertex());
+	}
+
+	@Override public boolean clicked(Vector2 pos) {
+		if(!super.clicked(pos))
+			centerTable.setVertex(pos.x, pos.y);
+		return true;
+	}
+
+	@Override public Vector2 getCenter() {
+		return centerTable.getVertex();
+	}
+}

src/com/blastedstudios/gdxworld/world/joint/RopeJoint.java

@@ -8,41 +8,42 @@
 public class RopeJoint extends GDXJoint {
 	private static final long serialVersionUID = 1L;
 	private float maxLength;
-	private transient Vector2 center;
-
-	public RopeJoint(Vector2 center){
-		this.center = center;
-	}
+	private Vector2 center = new Vector2();
 
 	@Override public Joint attach(World world) {
 		RopeJointDef def = new RopeJointDef();
 		def.maxLength = maxLength;
 		return attach(world, def);
 	}
 
-	public float getMaxLength() {
-		return maxLength;
+	@Override public Object clone() {
+		RopeJoint clone = new RopeJoint();
+		clone.setMaxLength(maxLength);
+		clone.setCenter(center.cpy());
+		return super.clone(clone);
 	}
 
-	public void setMaxLength(float maxLength) {
-		this.maxLength = maxLength;
+	@Override public void translate(Vector2 center) {
+		center.add(center);
+	}
+
+	@Override public void scl(float scalar) {
+		center.scl(scalar);
 	}
 
 	@Override public Vector2 getCenter() {
 		return center.cpy();
 	}
 
-	@Override public Object clone() {
-		RopeJoint clone = new RopeJoint(center.cpy());
-		clone.setMaxLength(maxLength);
-		return super.clone(clone);
+	public void setCenter(Vector2 center) {
+		this.center = center;
 	}
 
-	@Override public void translate(Vector2 center) {
-		center.add(center);
+	public float getMaxLength() {
+		return maxLength;
 	}
 
-	@Override public void scl(float scalar) {
-		center.scl(scalar);
+	public void setMaxLength(float maxLength) {
+		this.maxLength = maxLength;
 	}
 }