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/*
* 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);
}
}
}
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