From Lukasz Izdebski, Added StencilTwoSided support to ive plugin

src/osgPlugins/ive/CMakeLists.txt

@@ -99,6 +99,7 @@ SET(TARGET_SRC
     SpecularHighlights.cpp
     StateSet.cpp
     Stencil.cpp
+    StencilTwoSided.cpp
     Switch.cpp
     SwitchLayer.cpp
     Terrain.cpp
@@ -229,6 +230,7 @@ SET(TARGET_H
     SpecularHighlights.h
     StateSet.h
     Stencil.h
+    StencilTwoSided.h
     Switch.h
     SwitchLayer.h
     Terrain.h

src/osgPlugins/ive/DataInputStream.cpp

@@ -20,6 +20,7 @@
 #include "AlphaFunc.h"
 #include "BlendColor.h"
 #include "Stencil.h"
+#include "StencilTwoSided.h"
 #include "BlendFunc.h"
 #include "BlendEquation.h"
 #include "Depth.h"
@@ -59,7 +60,6 @@
 #include "Light.h"
 #include "PolygonStipple.h"
 
-
 #include "Node.h"
 #include "Group.h"
 #include "MatrixTransform.h"
@@ -1507,6 +1507,10 @@ osg::StateAttribute* DataInputStream::readStateAttribute()
         attribute = new osg::Stencil();
         ((ive::Stencil*)(attribute.get()))->read(this);
     }
+    else if(attributeID == IVESTENCILTWOSIDED){
+        attribute = new osg::StencilTwoSided();
+        ((ive::StencilTwoSided*)(attribute.get()))->read(this);
+    }
     else if(attributeID == IVEFOG){
         attribute = new osg::Fog();
         ((ive::Fog*)(attribute.get()))->read(this);

src/osgPlugins/ive/DataOutputStream.cpp

@@ -21,6 +21,7 @@
 #include "AlphaFunc.h"
 #include "BlendColor.h"
 #include "Stencil.h"
+#include "StencilTwoSided.h"
 #include "BlendFunc.h"
 #include "BlendEquation.h"
 #include "Material.h"
@@ -1000,6 +1001,9 @@ void DataOutputStream::writeStateAttribute(const osg::StateAttribute* attribute)
         else if(dynamic_cast<const osg::Stencil*>(attribute)){
             ((ive::Stencil*)(attribute))->write(this);
         }
+        else if(dynamic_cast<const osg::StencilTwoSided*>(attribute)){
+            ((ive::StencilTwoSided*)(attribute))->write(this);
+        }
         else if(dynamic_cast<const osg::BlendFunc*>(attribute)){
             ((ive::BlendFunc*)(attribute))->write(this);
         }

src/osgPlugins/ive/StencilTwoSided.cpp

@@ -0,0 +1,92 @@
+/**********************************************************************
+ *
+ *    FILE:            Stencil.cpp
+ *
+ *    DESCRIPTION:    Read/Write osg::Stencil in binary format to disk.
+ *
+ *    CREATED BY:        Auto generated by iveGenerated
+ *                    and later modified by Rune Schmidt Jensen.
+ *
+ *    HISTORY:        Created 21.3.2003
+ *
+ *    Copyright 2003 VR-C
+ **********************************************************************/
+
+#include "Exception.h"
+#include "StencilTwoSided.h"
+#include "Object.h"
+
+using namespace ive;
+
+void StencilTwoSided::write(DataOutputStream* out){
+    // Write Stencil's identification.
+    out->writeInt(IVESTENCILTWOSIDED);
+    // If the osg class is inherited by any other class we should also write this to file.
+    osg::Object*  obj = dynamic_cast<osg::Object*>(this);
+    if(obj){
+        ((ive::Object*)(obj))->write(out);
+    }
+    else
+        out_THROW_EXCEPTION("Stencil::write(): Could not cast this osg::Stencil to an osg::Object.");
+    // Write Stencil's properties.
+    
+    out->writeInt(getFunction(FRONT));
+    out->writeInt(getFunctionRef(FRONT));
+    out->writeUInt(getFunctionMask(FRONT));
+    
+    out->writeInt(getStencilFailOperation(FRONT));
+    out->writeInt(getStencilPassAndDepthFailOperation(FRONT));
+    out->writeInt(getStencilPassAndDepthPassOperation(FRONT));
+    
+    out->writeUInt(getWriteMask(FRONT));
+    
+    out->writeInt(getFunction(BACK));
+    out->writeInt(getFunctionRef(BACK));
+    out->writeUInt(getFunctionMask(BACK));
+
+    out->writeInt(getStencilFailOperation(BACK));
+    out->writeInt(getStencilPassAndDepthFailOperation(BACK));
+    out->writeInt(getStencilPassAndDepthPassOperation(BACK));
+
+    out->writeUInt(getWriteMask(BACK));
+}
+
+void StencilTwoSided::read(DataInputStream* in){
+    // Peek on Stencil's identification.
+    int id = in->peekInt();
+    if(id == IVESTENCILTWOSIDED)
+    {
+        // Read Stencil's identification.
+        id = in->readInt();
+        // If the osg class is inherited by any other class we should also read this from file.
+        osg::Object*  obj = dynamic_cast<osg::Object*>(this);
+        if(obj){
+            ((ive::Object*)(obj))->read(in);
+        }
+        else
+            in_THROW_EXCEPTION("Stencil::read(): Could not cast this osg::Stencil to an osg::Object.");
+
+        setFunction(FRONT, (Function)in->readInt());
+        setFunctionRef(FRONT, in->readInt());
+        setFunctionMask(FRONT, in->readUInt());
+        
+        setStencilFailOperation(FRONT, (Operation)in->readInt());
+        setStencilPassAndDepthFailOperation(FRONT, (Operation)in->readInt());
+        setStencilPassAndDepthPassOperation(FRONT, (Operation)in->readInt());
+        
+        setWriteMask(FRONT, in->readUInt());
+
+        setFunction(BACK, (Function)in->readInt());
+        setFunctionRef(BACK, in->readInt());
+        setFunctionMask(BACK, in->readUInt());
+
+        setStencilFailOperation(BACK, (Operation)in->readInt());
+        setStencilPassAndDepthFailOperation(BACK, (Operation)in->readInt());
+        setStencilPassAndDepthPassOperation(BACK, (Operation)in->readInt());
+
+        setWriteMask(BACK, in->readUInt());
+    }
+    else{
+        in_THROW_EXCEPTION("Stencil::read(): Expected Stencil identification.");
+    }
+}

src/osgPlugins/ive/StencilTwoSided.h

@@ -0,0 +1,15 @@
+#ifndef IVE_STENCIL_TWO_SIDED
+#define IVE_STENCIL_TWO_SIDED 1
+
+#include <osg/StencilTwoSided>
+#include "ReadWrite.h"
+
+namespace ive{
+class StencilTwoSided : public osg::StencilTwoSided, public ReadWrite {
+public:
+    void write(DataOutputStream* out);
+    void read(DataInputStream* in);
+};
+}
+
+#endif