1 files changed, 80 insertions, 0 deletions
diff --git a/engine/src/core-effects/com/jme3/post/filters/TranslucentBucketFilter.java b/engine/src/core-effects/com/jme3/post/filters/TranslucentBucketFilter.java
new file mode 100644
index 0000000..47be413
--- /dev/null
+++ b/engine/src/core-effects/com/jme3/post/filters/TranslucentBucketFilter.java
@@ -0,0 +1,80 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.jme3.post.filters;
+
+import com.jme3.asset.AssetManager;
+import com.jme3.material.Material;
+import com.jme3.math.ColorRGBA;
+import com.jme3.post.Filter;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.Renderer;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Texture2D;
+
+/**
+ * A filter to handle translucent objects when rendering a scene with filters that uses depth like WaterFilter and SSAOFilter
+ * just create a TranslucentBucketFilter and add it to the Filter list of a FilterPostPorcessor
+ * @author Nehon
+ */
+public final class TranslucentBucketFilter extends Filter {
+
+    private RenderManager renderManager;
+
+    @Override
+    protected void initFilter(AssetManager manager, RenderManager rm, ViewPort vp, int w, int h) {
+        this.renderManager = rm;
+        material = new Material(manager, "Common/MatDefs/Post/Overlay.j3md");
+        material.setColor("Color", ColorRGBA.White);
+        Texture2D tex = processor.getFilterTexture();
+        material.setTexture("Texture", tex);
+        if (tex.getImage().getMultiSamples() > 1) {
+            material.setInt("NumSamples", tex.getImage().getMultiSamples());
+        } else {
+            material.clearParam("NumSamples");
+        }
+        renderManager.setHandleTranslucentBucket(false);
+    }
+
+    /**
+     * Override this method and return false if your Filter does not need the scene texture
+     * @return
+     */
+    @Override
+    protected boolean isRequiresSceneTexture() {
+        return false;
+    }
+
+    @Override
+    protected void postFrame(RenderManager renderManager, ViewPort viewPort, FrameBuffer prevFilterBuffer, FrameBuffer sceneBuffer) {
+        renderManager.setCamera(viewPort.getCamera(), false);
+        if (prevFilterBuffer != sceneBuffer) {
+            renderManager.getRenderer().copyFrameBuffer(prevFilterBuffer, sceneBuffer, false);
+        }
+        renderManager.getRenderer().setFrameBuffer(sceneBuffer);
+        viewPort.getQueue().renderQueue(RenderQueue.Bucket.Translucent, renderManager, viewPort.getCamera());
+    }
+
+    @Override
+    protected void cleanUpFilter(Renderer r) {
+        if (renderManager != null) {
+            renderManager.setHandleTranslucentBucket(true);
+        }
+    }
+
+    @Override
+    protected Material getMaterial() {
+        return material;
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        if (renderManager != null) {
+            renderManager.setHandleTranslucentBucket(!enabled);
+        }
+    }
+}