1 files changed, 75 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
index 47be413..c377a58 100644
--- a/engine/src/core-effects/com/jme3/post/filters/TranslucentBucketFilter.java
+++ b/engine/src/core-effects/com/jme3/post/filters/TranslucentBucketFilter.java
@@ -5,6 +5,7 @@
 package com.jme3.post.filters;
 
 import com.jme3.asset.AssetManager;
+import com.jme3.effect.ParticleEmitter;
 import com.jme3.material.Material;
 import com.jme3.math.ColorRGBA;
 import com.jme3.post.Filter;
@@ -12,8 +13,14 @@ import com.jme3.renderer.RenderManager;
 import com.jme3.renderer.Renderer;
 import com.jme3.renderer.ViewPort;
 import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.Node;
+
+import com.jme3.scene.Spatial;
 import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Texture;
 import com.jme3.texture.Texture2D;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 /**
  * A filter to handle translucent objects when rendering a scene with filters that uses depth like WaterFilter and SSAOFilter
@@ -22,11 +29,25 @@ import com.jme3.texture.Texture2D;
  */
 public final class TranslucentBucketFilter extends Filter {
 
+    private final static Logger logger = Logger.getLogger(TranslucentBucketFilter.class.getName());
     private RenderManager renderManager;
+    private boolean enabledSoftParticles = false;
+    private Texture depthTexture;
+    private ViewPort viewPort;
+
+    public TranslucentBucketFilter() {
+        super("TranslucentBucketFilter");
+    }
+
+    public TranslucentBucketFilter(boolean enabledSoftParticles) {
+        this();
+        this.enabledSoftParticles = enabledSoftParticles;
+    }
 
     @Override
     protected void initFilter(AssetManager manager, RenderManager rm, ViewPort vp, int w, int h) {
         this.renderManager = rm;
+        this.viewPort = vp;
         material = new Material(manager, "Common/MatDefs/Post/Overlay.j3md");
         material.setColor("Color", ColorRGBA.White);
         Texture2D tex = processor.getFilterTexture();
@@ -37,6 +58,26 @@ public final class TranslucentBucketFilter extends Filter {
             material.clearParam("NumSamples");
         }
         renderManager.setHandleTranslucentBucket(false);
+        if (enabledSoftParticles && depthTexture != null) {
+            initSoftParticles(vp, true);
+        }
+    }
+
+    private void initSoftParticles(ViewPort vp, boolean enabledSP) {
+        if (depthTexture != null) {
+            for (Spatial scene : vp.getScenes()) {
+                makeSoftParticleEmitter(scene, enabledSP && enabled);
+            }
+        }
+
+    }
+
+    @Override
+    protected void setDepthTexture(Texture depthTexture) {
+        this.depthTexture = depthTexture;
+        if (enabledSoftParticles && depthTexture != null) {
+            initSoftParticles(viewPort, true);
+        }
     }
 
     /**
@@ -49,6 +90,11 @@ public final class TranslucentBucketFilter extends Filter {
     }
 
     @Override
+    protected boolean isRequiresDepthTexture() {
+        return enabledSoftParticles;
+    }
+
+    @Override
     protected void postFrame(RenderManager renderManager, ViewPort viewPort, FrameBuffer prevFilterBuffer, FrameBuffer sceneBuffer) {
         renderManager.setCamera(viewPort.getCamera(), false);
         if (prevFilterBuffer != sceneBuffer) {
@@ -63,6 +109,8 @@ public final class TranslucentBucketFilter extends Filter {
         if (renderManager != null) {
             renderManager.setHandleTranslucentBucket(true);
         }
+
+        initSoftParticles(viewPort, false);
     }
 
     @Override
@@ -76,5 +124,32 @@ public final class TranslucentBucketFilter extends Filter {
         if (renderManager != null) {
             renderManager.setHandleTranslucentBucket(!enabled);
         }
+        initSoftParticles(viewPort, enabledSoftParticles);
+    }
+
+    private void makeSoftParticleEmitter(Spatial scene, boolean enabled) {
+        if (scene instanceof Node) {
+            Node n = (Node) scene;
+            for (Spatial child : n.getChildren()) {
+                makeSoftParticleEmitter(child, enabled);
+            }
+        }
+        if (scene instanceof ParticleEmitter) {
+            ParticleEmitter emitter = (ParticleEmitter) scene;
+            if (enabled) {
+                enabledSoftParticles = enabled;
+
+                emitter.getMaterial().selectTechnique("SoftParticles", renderManager);
+                emitter.getMaterial().setTexture("DepthTexture", processor.getDepthTexture());
+                emitter.setQueueBucket(RenderQueue.Bucket.Translucent);
+
+                logger.log(Level.INFO, "Made particle Emitter {0} soft.", emitter.getName());
+            } else {
+                emitter.getMaterial().clearParam("DepthTexture");
+                emitter.getMaterial().selectTechnique("Default", renderManager);
+               // emitter.setQueueBucket(RenderQueue.Bucket.Transparent);
+                logger.log(Level.INFO, "Particle Emitter {0} is not soft anymore.", emitter.getName());
+            }
+        }
     }
 }