refactor: Components without attributes to EmptyComponent (#76)

Co-authored-by: thierrywong <[email protected]>

src/main/java/org/terasology/gooeyDefence/components/DestructibleBlockComponent.java

@@ -2,16 +2,12 @@
 // SPDX-License-Identifier: Apache-2.0
 package org.terasology.gooeyDefence.components;
 
-import org.terasology.gestalt.entitysystem.component.Component;
+import org.terasology.gestalt.entitysystem.component.EmptyComponent;
 
 /**
  * Marks that a block can be destroyed.
  * <p>
  * All blocks without this are blocked from being destroyed.
  */
-public class DestructibleBlockComponent implements Component<DestructibleBlockComponent> {
-    @Override
-    public void copyFrom(DestructibleBlockComponent other) {
-
-    }
+public class DestructibleBlockComponent extends EmptyComponent<DestructibleBlockComponent> {
 }

src/main/java/org/terasology/gooeyDefence/components/SavedGameFlagComponent.java

@@ -2,15 +2,11 @@
 // SPDX-License-Identifier: Apache-2.0
 package org.terasology.gooeyDefence.components;
 
-import org.terasology.gestalt.entitysystem.component.Component;
+import org.terasology.gestalt.entitysystem.component.EmptyComponent;
 
 /**
  * Component added the player in order to indicate that the game has been reloaded from save.
  * It's used to perform checks that need to know if this is the initial creation of the world.
  */
-public class SavedGameFlagComponent implements Component<SavedGameFlagComponent> {
-    @Override
-    public void copyFrom(SavedGameFlagComponent other) {
-
-    }
+public class SavedGameFlagComponent extends EmptyComponent<SavedGameFlagComponent> {
 }

src/main/java/org/terasology/gooeyDefence/components/ShrineComponent.java

@@ -3,16 +3,12 @@
 package org.terasology.gooeyDefence.components;
 
 import org.terasology.engine.world.block.ForceBlockActive;
-import org.terasology.gestalt.entitysystem.component.Component;
+import org.terasology.gestalt.entitysystem.component.EmptyComponent;
 
 /**
  * Component for the central shrine entity.
  * Used as a filter or flag component.
  */
 @ForceBlockActive
-public class ShrineComponent implements Component<ShrineComponent> {
-    @Override
-    public void copyFrom(ShrineComponent other) {
-
-    }
+public class ShrineComponent extends EmptyComponent<ShrineComponent> {
 }

src/main/java/org/terasology/gooeyDefence/visuals/components/PathBlockComponent.java

@@ -2,14 +2,10 @@
 // SPDX-License-Identifier: Apache-2.0
 package org.terasology.gooeyDefence.visuals.components;
 
-import org.terasology.gestalt.entitysystem.component.Component;
+import org.terasology.gestalt.entitysystem.component.EmptyComponent;
 
 /**
  * Flag component used on path particle entities.
  */
-public class PathBlockComponent implements Component<PathBlockComponent> {
-    @Override
-    public void copyFrom(PathBlockComponent other) {
-
-    }
+public class PathBlockComponent extends EmptyComponent<PathBlockComponent> {
 }

src/main/java/org/terasology/gooeyDefence/visuals/components/TargeterBulletComponent.java

@@ -2,14 +2,10 @@
 // SPDX-License-Identifier: Apache-2.0
 package org.terasology.gooeyDefence.visuals.components;
 
-import org.terasology.gestalt.entitysystem.component.Component;
+import org.terasology.gestalt.entitysystem.component.EmptyComponent;
 
 /**
  * Flag component used to indicated that an entity is a bullet from a targeter.
  */
-public class TargeterBulletComponent implements Component<TargeterBulletComponent> {
-    @Override
-    public void copyFrom(TargeterBulletComponent other) {
-
-    }
+public class TargeterBulletComponent extends EmptyComponent<TargeterBulletComponent> {
 }