1 files changed, 56 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/scene/SimpleBatchNode.java b/engine/src/core/com/jme3/scene/SimpleBatchNode.java
new file mode 100644
index 0000000..0f1ed29
--- /dev/null
+++ b/engine/src/core/com/jme3/scene/SimpleBatchNode.java
@@ -0,0 +1,56 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.jme3.scene;
+
+import com.jme3.math.Transform;
+
+/**
+ * 
+ * SimpleBatchNode  comes with some restrictions, but can yield better performances.
+ * Geometries to be batched has to be attached directly to the BatchNode
+ * You can't attach a Node to a SimpleBatchNode
+ * SimpleBatchNode is recommended when you have a large number of geometries using the same material that does not require a complex scene graph structure.
+ * @see BatchNode
+ * @author Nehon
+ */
+public class SimpleBatchNode extends BatchNode {
+
+    public SimpleBatchNode() {
+        super();
+    }
+
+    public SimpleBatchNode(String name) {
+        super(name);
+    }
+
+    @Override
+    public int attachChild(Spatial child) {
+
+        if (!(child instanceof Geometry)) {
+            throw new UnsupportedOperationException("BatchNode is BatchMode.Simple only support child of type Geometry, use BatchMode.Complex to use a complex structure");
+        }
+
+        return super.attachChild(child);
+    }
+
+    @Override
+    protected void setTransformRefresh() {
+
+        refreshFlags |= RF_TRANSFORM;
+        setBoundRefresh();
+        for (Batch batch : batches.values()) {
+            batch.geometry.setTransformRefresh();
+        }
+    }
+    
+     protected Transform getTransforms(Geometry geom){
+        return geom.getLocalTransform();
+    }
+
+    @Override
+    public void batch() {
+        doBatch();
+    }
+}