From 5aef90da47d2a1242074243210fb30dabe0ff183 Mon Sep 17 00:00:00 2001
From: MeFisto94 <MeFisto94@users.noreply.github.com>
Date: Mon, 15 Jan 2018 17:18:21 +0100
Subject: [PATCH] Fix Shadow Filters not having a default constructor and hence
 not being deserializable.

---
 .../java/com/jme3/shadow/AbstractShadowFilter.java     |  6 ++++++
 .../com/jme3/shadow/DirectionalLightShadowFilter.java  | 10 ++++++++++
 .../java/com/jme3/shadow/PointLightShadowFilter.java   | 10 ++++++++++
 .../java/com/jme3/shadow/PointLightShadowRenderer.java |  5 +++--
 .../main/java/com/jme3/shadow/PssmShadowFilter.java    | 10 ++++++++++
 .../java/com/jme3/shadow/SpotLightShadowFilter.java    | 10 ++++++++++
 6 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java b/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java
index aa80fa0c6..f9e0bb3a1 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java
@@ -62,6 +62,12 @@ public abstract class AbstractShadowFilter<T extends AbstractShadowRenderer> ext
     protected T shadowRenderer;
     protected ViewPort viewPort;
 
+    /**
+     * used for serialization
+     */
+    protected AbstractShadowFilter(){
+    }
+    
     /**
      * Abstract class constructor
      *
diff --git a/jme3-core/src/main/java/com/jme3/shadow/DirectionalLightShadowFilter.java b/jme3-core/src/main/java/com/jme3/shadow/DirectionalLightShadowFilter.java
index 844755cb7..7e822b9c4 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/DirectionalLightShadowFilter.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/DirectionalLightShadowFilter.java
@@ -56,6 +56,16 @@ import java.io.IOException;
  */
 public class DirectionalLightShadowFilter extends AbstractShadowFilter<DirectionalLightShadowRenderer> {
 
+    /**
+     * Used for serialzation.
+     * Use DirectionalLightShadowFilter#DirectionalLightShadowFilter
+     * (AssetManager assetManager, int shadowMapSize, int nbSplits)
+     * instead.
+     */
+    public DirectionalLightShadowFilter() {
+        super();
+    }
+    
     /**
      * Creates a DirectionalLightShadowFilter Shadow Filter More info on the
      * technique at <a
diff --git a/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowFilter.java b/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowFilter.java
index 82730860a..197c307cc 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowFilter.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowFilter.java
@@ -56,6 +56,16 @@ import java.io.IOException;
  */
 public class PointLightShadowFilter extends AbstractShadowFilter<PointLightShadowRenderer> {
 
+    /**
+     * Used for serialization.
+     * Use PointLightShadowFilter#PointLightShadowFilter(AssetManager
+     * assetManager, int shadowMapSize)
+     * instead.
+     */
+    public PointLightShadowFilter() {
+        super();
+    }
+
     /**
      * Creates a PointLightShadowFilter
      *
diff --git a/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowRenderer.java b/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowRenderer.java
index 407f72367..a16c4353b 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowRenderer.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/PointLightShadowRenderer.java
@@ -63,9 +63,10 @@ public class PointLightShadowRenderer extends AbstractShadowRenderer {
     private Geometry[] frustums = null;
 
     /**
-     * Used for serialization use
-     * PointLightShadowRenderer"PointLightShadowRenderer(AssetManager
+     * Used for serialization.
+     * Use PointLightShadowRenderer#PointLightShadowRenderer(AssetManager
      * assetManager, int shadowMapSize)
+     * instead.
      */
     public PointLightShadowRenderer() {
         super();
diff --git a/jme3-core/src/main/java/com/jme3/shadow/PssmShadowFilter.java b/jme3-core/src/main/java/com/jme3/shadow/PssmShadowFilter.java
index eecd9a28a..169425dc1 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/PssmShadowFilter.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/PssmShadowFilter.java
@@ -69,6 +69,16 @@ public class PssmShadowFilter extends Filter {
     private PssmShadowRenderer pssmRenderer;
     private ViewPort viewPort;
 
+    /**
+     * Used for serialization.
+     * Use PssmShadowFilter#PssmShadowFilter(AssetManager
+     * assetManager, int size, int nbSplits)
+     * instead.
+     */
+    public PssmShadowFilter() {
+        super();
+    }
+    
     /**
      * Creates a PSSM Shadow Filter 
      * More info on the technique at <a href="http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html">http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html</a>
diff --git a/jme3-core/src/main/java/com/jme3/shadow/SpotLightShadowFilter.java b/jme3-core/src/main/java/com/jme3/shadow/SpotLightShadowFilter.java
index 11126467d..58c410e10 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/SpotLightShadowFilter.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/SpotLightShadowFilter.java
@@ -56,6 +56,16 @@ import java.io.IOException;
  */
 public class SpotLightShadowFilter extends AbstractShadowFilter<SpotLightShadowRenderer> {
 
+    /**
+     * Used for serialization.
+     * Use SpotLightShadowFilter#SpotLightShadowFilter(AssetManager assetManager,
+     * int shadowMapSize)
+     * instead.
+     */
+    public SpotLightShadowFilter() {
+        super();
+    }
+    
     /**
      * Creates a SpotLight Shadow Filter
      *