Center Origin Command

src/main/java/games/rednblack/editor/controller/BootstrapCommand.java

@@ -80,6 +80,7 @@ public class BootstrapCommand extends SimpleCommand {
         facade.registerCommand(MsgAPI.ACTION_CHANGE_POLYGON_VERTEX_POSITION, ChangePolygonVertexPositionCommand::new);
         facade.registerCommand(MsgAPI.ACTION_DELETE_POLYGON_VERTEX, DeletePolygonVertexCommand::new);
         facade.registerCommand(MsgAPI.ACTION_CHANGE_ORIGIN_POSITION, ChangeOriginPointPosition::new);
+        facade.registerCommand(MsgAPI.ACTION_CENTER_ORIGIN_POSITION, CenterOriginPointCommand::new);
 
         // DATA MODIFY by components
         facade.registerCommand(MsgAPI.ACTION_UPDATE_SCENE_DATA, UpdateSceneDataCommand::new);

src/main/java/games/rednblack/editor/controller/commands/CenterOriginPointCommand.java

@@ -0,0 +1,37 @@
+package games.rednblack.editor.controller.commands;
+
+import com.badlogic.gdx.math.Vector2;
+import games.rednblack.editor.HyperLap2DFacade;
+import games.rednblack.editor.renderer.components.DimensionsComponent;
+import games.rednblack.editor.renderer.components.TransformComponent;
+import games.rednblack.editor.utils.runtime.SandboxComponentRetriever;
+import games.rednblack.h2d.common.command.TransformCommandBuilder;
+
+public class CenterOriginPointCommand extends EntityModifyRevertibleCommand {
+
+    private int entity;
+    private final Vector2 backupOrigin = new Vector2();
+
+    @Override
+    public void doAction() {
+        entity = notification.getBody();
+
+        TransformComponent transformComponent = SandboxComponentRetriever.get(entity, TransformComponent.class);
+        backupOrigin.set(transformComponent.originX, transformComponent.originY);
+
+        DimensionsComponent dimensionsComponent = SandboxComponentRetriever.get(entity, DimensionsComponent.class);
+
+        TransformCommandBuilder commandBuilder = new TransformCommandBuilder();
+        commandBuilder.begin(entity, sandbox.getEngine());
+        commandBuilder.setOrigin(dimensionsComponent.width / 2f, dimensionsComponent.height / 2f);
+        commandBuilder.execute(HyperLap2DFacade.getInstance());
+    }
+
+    @Override
+    public void undoAction() {
+        TransformCommandBuilder commandBuilder = new TransformCommandBuilder();
+        commandBuilder.begin(entity, sandbox.getEngine());
+        commandBuilder.setOrigin(backupOrigin.x, backupOrigin.y);
+        commandBuilder.execute(HyperLap2DFacade.getInstance());
+    }
+}

src/main/java/games/rednblack/editor/view/ui/UIDropDownMenu.java

@@ -67,6 +67,7 @@ public class UIDropDownMenu extends H2DPopupMenu {
         actionNames.put(MsgAPI.ACTION_DELETE_POLYGON_VERTEX, "Delete Vertex");
 
         actionNames.put(MsgAPI.ACTION_CHANGE_ORIGIN_POSITION, "Change Origin Position");
+        actionNames.put(MsgAPI.ACTION_CENTER_ORIGIN_POSITION, "Center Origin");
 
         actionNames.put(MsgAPI.ACTION_DUPLICATE_LIBRARY_ACTION, "Duplicate");
         actionNames.put(MsgAPI.ACTION_DELETE_LIBRARY_ACTION, "Delete");

src/main/java/games/rednblack/editor/view/ui/UIDropDownMenuMediator.java

@@ -120,6 +120,7 @@ public class UIDropDownMenuMediator extends Mediator<UIDropDownMenu> {
 
         actionSets.put(ORIGIN_POINT_ACTION_SET, new Array<>());
         actionSets.get(ORIGIN_POINT_ACTION_SET).add(MsgAPI.ACTION_CHANGE_ORIGIN_POSITION);
+        actionSets.get(ORIGIN_POINT_ACTION_SET).add(MsgAPI.ACTION_CENTER_ORIGIN_POSITION);
 
         facade = HyperLap2DFacade.getInstance();
     }