feat : standelone scope

Author: elebras1

examples/src/main/java/com/github/elebras1/flecs/examples/StandaloneViewExample.java

@@ -0,0 +1,39 @@
+package com.github.elebras1.flecs.examples;
+
+import com.github.elebras1.flecs.Entity;
+import com.github.elebras1.flecs.World;
+import com.github.elebras1.flecs.examples.components.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class StandaloneViewExample {
+    public static void main(String[] args) {
+        try (World world = new World()) {
+            // Register components
+            world.component(Position.class);
+            world.component(Velocity.class);
+            world.component(Inventory.class);
+
+            List<Entity> entities = new ArrayList<>();
+
+            // Create entities with initial data (Records)
+            for (int i = 0; i < 20; i++) {
+                long entityId = world.entity("Entity_" + i);
+                Entity entity = world.obtainEntity(entityId);
+                entity.set(new Position(i * 10.0f, i * 5.0f));
+                entity.set(new Velocity(1.0f, 0.5f));
+                entities.add(entity);
+            }
+
+            // getMutView() requires an active scope to function properly.
+            world.scope(() -> {
+                for(Entity entity : entities) {
+                    PositionView positionView = entity.getMutView(Position.class);
+                    VelocityView velocityView = entity.getMutView(Velocity.class);
+                    System.out.println("Entity: " + entity.id() + " Position(" + positionView.x() + ", " + positionView.y() + ") Velocity(" + velocityView.dx() + ", " + velocityView.dy() + ")");
+                }
+            });
+        }
+    }
+}

…flecs/examples/ComponentViewExample.java …elebras1/flecs/examples/ViewExample.javaexamples/src/main/java/com/github/elebras1/flecs/examples/ComponentViewExample.java renamed to examples/src/main/java/com/github/elebras1/flecs/examples/ViewExample.java examples/src/main/java/com/github/elebras1/flecs/examples/ComponentViewExample.java renamed to examples/src/main/java/com/github/elebras1/flecs/examples/ViewExample.java

@@ -5,7 +5,7 @@
 import com.github.elebras1.flecs.examples.components.*;
 import com.github.elebras1.flecs.util.FlecsConstants;
 
-public class ComponentViewExample {
+public class ViewExample {
 
     public static void main(String[] args) {
         try (World world = new World()) {

src/main/java/com/github/elebras1/flecs/World.java

@@ -769,6 +769,10 @@ public void disableRest() {
         }
     }
 
+    public void scope(Runnable action) {
+        ScopedValue.where(FlecsContext.CURRENT_CACHE, new FlecsContext.ViewCache()).run(action);
+    }
+
     @Override
     public void close() {
         if (!this.closed) {